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kubectl-capacity
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File kube-capacity-0.8.0.obscpio of Package kubectl-capacity
07070100000000000041ED00000000000000000000000265D57E0300000000000000000000000000000000000000000000001C00000000kube-capacity-0.8.0/.github07070100000001000081A400000000000000000000000165D57E03000001A7000000000000000000000000000000000000002B00000000kube-capacity-0.8.0/.github/dependabot.ymlversion: 2 updates: - package-ecosystem: gomod directory: "/" schedule: interval: daily open-pull-requests-limit: 10 groups: actions: update-types: - "patch" - package-ecosystem: "github-actions" directory: "/" schedule: interval: daily open-pull-requests-limit: 10 groups: actions: update-types: - "minor" - "patch" 07070100000002000041ED00000000000000000000000265D57E0300000000000000000000000000000000000000000000002600000000kube-capacity-0.8.0/.github/workflows07070100000003000081A400000000000000000000000165D57E03000005A7000000000000000000000000000000000000003900000000kube-capacity-0.8.0/.github/workflows/golangci-lint.yamlname: golangci-lint on: push: tags: - v* branches: - master - main pull_request: permissions: contents: read # Optional: allow read access to pull request. Use with `only-new-issues` option. # pull-requests: read jobs: golangci: name: lint runs-on: ubuntu-latest steps: - uses: actions/setup-go@v5 with: go-version: 1.21 - uses: actions/checkout@v4 - name: golangci-lint uses: golangci/golangci-lint-action@v4 with: # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version version: v1.56.1 # Optional: working directory, useful for monorepos # working-directory: somedir # Optional: golangci-lint command line arguments. # args: --issues-exit-code=0 # Optional: show only new issues if it's a pull request. The default value is `false`. # only-new-issues: true # Optional: if set to true then the all caching functionality will be complete disabled, # takes precedence over all other caching options. # skip-cache: true # Optional: if set to true then the action don't cache or restore ~/go/pkg. # skip-pkg-cache: true # Optional: if set to true then the action don't cache or restore ~/.cache/go-build. # skip-build-cache: true07070100000004000081A400000000000000000000000165D57E03000001F6000000000000000000000000000000000000003C00000000kube-capacity-0.8.0/.github/workflows/goreleaser-build.yamlname: goreleaser on: push: tags: - v* branches: - master - main pull_request: permissions: contents: read jobs: build: runs-on: ubuntu-latest steps: - name: Checkout uses: actions/checkout@master - name: Setup Go uses: actions/setup-go@v5 with: go-version: 1.21 - name: GoReleaser uses: goreleaser/goreleaser-action@v5 with: version: latest args: build --snapshot --clean 07070100000005000081A400000000000000000000000165D57E030000028F000000000000000000000000000000000000003300000000kube-capacity-0.8.0/.github/workflows/release.yamlname: release on: push: tags: - v* jobs: goreleaser: runs-on: ubuntu-latest environment: release steps: - name: Checkout uses: actions/checkout@master - name: Setup Go uses: actions/setup-go@v5 with: go-version: 1.21 - name: GoReleaser uses: goreleaser/goreleaser-action@v5 with: version: latest args: release --clean env: GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} TAP_GITHUB_TOKEN: ${{ secrets.TAP_GITHUB_TOKEN }} - name: Update new version in krew-index uses: rajatjindal/krew-release-bot@v0.0.46 07070100000006000081A400000000000000000000000165D57E03000001AE000000000000000000000000000000000000003000000000kube-capacity-0.8.0/.github/workflows/test.yamlname: test on: push: tags: - v* branches: - master - main pull_request: permissions: contents: read jobs: build-and-test: runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 - name: Set up Go uses: actions/setup-go@v5 with: go-version: 1.21 - name: Build run: go build -v ./... - name: Test run: go test -v ./...07070100000007000081A400000000000000000000000165D57E03000000D7000000000000000000000000000000000000001F00000000kube-capacity-0.8.0/.gitignore# Binaries for programs and plugins *.exe *.exe~ *.dll *.so *.dylib main dist # Test binary, built with `go test -c` *.test # Output of the go coverage tool, specifically when used with LiteIDE *.out vendor .idea07070100000008000081A400000000000000000000000165D57E03000000DB000000000000000000000000000000000000002200000000kube-capacity-0.8.0/.golangci.ymlrun: timeout: 5m modules-download-mode: readonly linters: enable: - errcheck - goimports - govet - staticcheck issues: exclude-use-default: false max-issues-per-linter: 0 max-same-issues: 007070100000009000081A400000000000000000000000165D57E03000004B0000000000000000000000000000000000000002400000000kube-capacity-0.8.0/.goreleaser.ymlbuilds: - env: - CGO_ENABLED=0 goos: - linux - darwin - windows goarch: - arm64 - amd64 - 386 goarm: - 6 - 7 archives: - name_template: |- kube-capacity_{{ .Tag }}_{{ .Os }}_ {{- if eq .Arch "amd64" }}x86_64{{ else if eq .Arch "386" }}i386{{ else }}{{ .Arch }}{{ end -}} {{- with .Arm -}} {{- if (eq . "6") -}}hf {{- else -}}v{{- . -}} {{- end -}} {{- end -}} format_overrides: - goos: windows format: zip checksum: name_template: 'checksums.txt' snapshot: name_template: "{{ .Tag }}-next" changelog: sort: asc filters: exclude: - '^docs:' - '^test:' brews: - name: kube-capacity repository: # The token determines the release type (Github/Gitlab). owner: robscott name: homebrew-tap token: "{{ .Env.TAP_GITHUB_TOKEN }}" folder: Formula # Brew fails from multiple 32-bit arm versions. # Specify which version should be used. goarm: 6 homepage: https://github.com/robscott/kube-capacity license: apache-2.0 description: kube-capacity provides an overview of the resource requests, limits, and utilization in a Kubernetes cluster test: | system "#{bin}/kube-capacity version" 0707010000000A000081A400000000000000000000000165D57E0300000767000000000000000000000000000000000000001F00000000kube-capacity-0.8.0/.krew.yamlapiVersion: krew.googlecontainertools.github.com/v1alpha2 kind: Plugin metadata: name: resource-capacity spec: version: {{ .TagName }} homepage: https://github.com/robscott/kube-capacity shortDescription: Provides an overview of resource requests, limits, and utilization description: | A simple CLI that provides an overview of the resource requests, limits, and utilization in a Kubernetes cluster. platforms: - selector: matchLabels: os: darwin arch: amd64 bin: kube-capacity files: - from: "*" to: "." {{addURIAndSha "https://github.com/robscott/kube-capacity/releases/download/{{ .TagName }}/kube-capacity_{{ .TagName }}_darwin_x86_64.tar.gz" .TagName }} - selector: matchLabels: os: darwin arch: arm64 bin: kube-capacity files: - from: "*" to: "." {{addURIAndSha "https://github.com/robscott/kube-capacity/releases/download/{{ .TagName }}/kube-capacity_{{ .TagName }}_darwin_arm64.tar.gz" .TagName }} - selector: matchLabels: os: linux arch: amd64 bin: kube-capacity files: - from: "*" to: "." {{addURIAndSha "https://github.com/robscott/kube-capacity/releases/download/{{ .TagName }}/kube-capacity_{{ .TagName }}_linux_x86_64.tar.gz" .TagName }} - selector: matchLabels: os: linux arch: arm64 bin: kube-capacity files: - from: "*" to: "." {{addURIAndSha "https://github.com/robscott/kube-capacity/releases/download/{{ .TagName }}/kube-capacity_{{ .TagName }}_linux_arm64.tar.gz" .TagName }} - selector: matchLabels: os: windows arch: amd64 bin: kube-capacity.exe files: - from: "*" to: "." {{addURIAndSha "https://github.com/robscott/kube-capacity/releases/download/{{ .TagName }}/kube-capacity_{{ .TagName }}_windows_x86_64.zip" .TagName }} 0707010000000B000081A400000000000000000000000165D57E0300002C57000000000000000000000000000000000000001C00000000kube-capacity-0.8.0/LICENSE Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity. "You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License. "Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files. 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We also recommend that a file or class name and description of purpose be included on the same "printed page" as the copyright notice for easier identification within third-party archives. Copyright 2019 Kube Capacity Authors Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. 0707010000000C000081A400000000000000000000000165D57E030000302E000000000000000000000000000000000000001E00000000kube-capacity-0.8.0/README.md# kube-capacity [![Go Report Card](https://goreportcard.com/badge/github.com/robscott/kube-capacity?v=1)](https://goreportcard.com/report/github.com/robscott/kube-capacity) [![CircleCI](https://circleci.com/gh/robscott/kube-capacity.svg?style=svg)](https://circleci.com/gh/robscott/kube-capacity) This is a simple CLI that provides an overview of the resource requests, limits, and utilization in a Kubernetes cluster. It attempts to combine the best parts of the output from `kubectl top` and `kubectl describe` into an easy to use CLI focused on cluster resources. ## Installation Go binaries are automatically built with each release by [GoReleaser](https://github.com/goreleaser/goreleaser). These can be accessed on the GitHub [releases page](https://github.com/robscott/kube-capacity/releases) for this project. ### Homebrew This project can be installed with [Homebrew](https://brew.sh/): ``` brew tap robscott/tap brew install robscott/tap/kube-capacity ``` ### Krew This project can be installed with [Krew](https://github.com/GoogleContainerTools/krew): ``` kubectl krew install resource-capacity ``` ## Usage By default, kube-capacity will output a list of nodes with the total CPU and Memory resource requests and limits for all the pods running on them. For clusters with more than one node, the first line will also include cluster wide totals. That output will look something like this: ``` kube-capacity NODE CPU REQUESTS CPU LIMITS MEMORY REQUESTS MEMORY LIMITS * 560m (28%) 130m (7%) 572Mi (9%) 770Mi (13%) example-node-1 220m (22%) 10m (1%) 192Mi (6%) 360Mi (12%) example-node-2 340m (34%) 120m (12%) 380Mi (13%) 410Mi (14%) ``` ### Including Pods For more detailed output, kube-capacity can include pods in the output. When `-p` or `--pods` are passed to kube-capacity, it will include pod specific output that looks like this: ``` kube-capacity --pods NODE NAMESPACE POD CPU REQUESTS CPU LIMITS MEMORY REQUESTS MEMORY LIMITS * * * 560m (28%) 780m (38%) 572Mi (9%) 770Mi (13%) example-node-1 * * 220m (22%) 320m (32%) 192Mi (6%) 360Mi (12%) example-node-1 kube-system metrics-server-lwc6z 100m (10%) 200m (20%) 100Mi (3%) 200Mi (7%) example-node-1 kube-system coredns-7b5bcb98f8 120m (12%) 120m (12%) 92Mi (3%) 160Mi (5%) example-node-2 * * 340m (34%) 460m (46%) 380Mi (13%) 410Mi (14%) example-node-2 kube-system kube-proxy-3ki7 200m (20%) 280m (28%) 210Mi (7%) 210Mi (7%) example-node-2 tiller tiller-deploy 140m (14%) 180m (18%) 170Mi (5%) 200Mi (7%) ``` ### Including Utilization To help understand how resource utilization compares to configured requests and limits, kube-capacity can include utilization metrics in the output. It's important to note that this output relies on [metrics-server](https://github.com/kubernetes-incubator/metrics-server) functioning correctly in your cluster. When `-u` or `--util` are passed to kube-capacity, it will include resource utilization information that looks like this: ``` kube-capacity --util NODE CPU REQUESTS CPU LIMITS CPU UTIL MEMORY REQUESTS MEMORY LIMITS MEMORY UTIL * 560m (28%) 130m (7%) 40m (2%) 572Mi (9%) 770Mi (13%) 470Mi (8%) example-node-1 220m (22%) 10m (1%) 10m (1%) 192Mi (6%) 360Mi (12%) 210Mi (7%) example-node-2 340m (34%) 120m (12%) 30m (3%) 380Mi (13%) 410Mi (14%) 260Mi (9%) ``` ### Displaying Available Resources To more clearly see the total available resources on the node it is possible to pass the `--available` option to kube-capacity, which will give output in the following format ``` kube-capacity --available NODE CPU REQUESTS CPU LIMITS MEMORY REQUESTS MEMORY LIMITS * 560/2000m 130/2000m 572/5923Mi 770/5923Mi example-node-1 220/1000m 10/1000m 192/3200Mi 360/3200Mi example-node-2 340/1000m 120/1000m 380/2923Mi 410/2923Mi ``` ### Including Pods and Utilization For more detailed output, kube-capacity can include both pods and resource utilization in the output. When `--util` and `--pods` are passed to kube-capacity, it will result in a wide output that looks like this: ``` kube-capacity --pods --util NODE NAMESPACE POD CPU REQUESTS CPU LIMITS CPU UTIL MEMORY REQUESTS MEMORY LIMITS MEMORY UTIL * * * 560m (28%) 780m (38%) 340m (17%) 572Mi (9%) 770Mi (13%) 470Mi (8%) example-node-1 * * 220m (22%) 320m (32%) 160m (16%) 192Mi (6%) 360Mi (12%) 210Mi (7%) example-node-1 kube-system metrics-server-lwc6z 100m (10%) 200m (20%) 70m (7%) 100Mi (3%) 200Mi (7%) 120Mi (4%) example-node-1 kube-system coredns-7b5bcb98f8 120m (12%) 120m (12%) 90m (9%) 92Mi (3%) 160Mi (5%) 90Mi (3%) example-node-2 * * 340m (34%) 460m (46%) 180m (18%) 380Mi (13%) 410Mi (14%) 260Mi (9%) example-node-2 kube-system kube-proxy-3ki7 200m (20%) 280m (28%) 110m (11%) 210Mi (7%) 210Mi (7%) 120Mi (4%) example-node-2 tiller tiller-deploy 140m (14%) 180m (18%) 70m (7%) 170Mi (6%) 200Mi (7%) 140Mi (5%) ``` It's worth noting that utilization numbers from pods will likely not add up to the total node utilization numbers. Unlike request and limit numbers where node and cluster level numbers represent a sum of pod values, node metrics come directly from metrics-server and will likely include other forms of resource utilization. ### Sorting To highlight the nodes, pods, and containers with the highest metrics, you can sort by a variety of columns: ``` kube-capacity --util --sort cpu.util NODE CPU REQUESTS CPU LIMITS CPU UTIL MEMORY REQUESTS MEMORY LIMITS MEMORY UTIL * 560m (28%) 130m (7%) 40m (2%) 572Mi (9%) 770Mi (13%) 470Mi (8%) example-node-2 340m (34%) 120m (12%) 30m (3%) 380Mi (13%) 410Mi (14%) 260Mi (9%) example-node-1 220m (22%) 10m (1%) 10m (1%) 192Mi (6%) 360Mi (12%) 210Mi (7%) ``` > **Note** Starting in v0.7.4 you can append `.percentage` to sort by percentage. For example, `kube-capacity --util --sort cpu.util.percentage`. ### Displaying Pod Count To display the pod count of each node and the whole cluster, you can pass **--pod-count** argument: ```shell $ kube-capacity --pod-count NODE CPU REQUESTS CPU LIMITS MEMORY REQUESTS MEMORY LIMITS POD COUNT * 950m (2%) 200m (0%) 284Mi (0%) 284Mi (0%) 10/220 minikube 850m (5%) 100m (0%) 231Mi (1%) 231Mi (1%) 8/110 minikube-m02 100m (0%) 100m (0%) 53Mi (0%) 53Mi (0%) 2/110 ``` ### Filtering By Labels For more advanced usage, kube-capacity also supports filtering by pod, namespace, and/or node labels. The following examples show how to use these filters: ``` kube-capacity --pod-labels app=nginx kube-capacity --namespace default kube-capacity --namespace-labels team=api kube-capacity --node-labels kubernetes.io/role=node ``` ### Filtering By Node Taints Kube-capacity supports advanced filtering by taints. Users can filter in and filter out taints within the same expression. The following examples show how to use node taint filters: ``` kube-capacity --node-taints special=true:NoSchedule kube-capacity --node-taints special:NoSchedule ``` These will return only special nodes. ``` kube-capacity --node-taints special=true:NoSchedule- kube-capacity --node-taints special:NoSchedule- ``` These will filter out special nodes and return only unspecial nodes. ``` kube-capacity --node-taints special=true:NoSchedule,old-hardware:NoSchedule- ``` This will return special nodes that are not tainted with `old-hardware:NoSchedule`. In other words, display the special nodes but don't display the ones that are running on old hardware. ``` kube-capacity --no-taint ``` This will filter out all nodes with taints. ### JSON and YAML Output By default, kube-capacity will provide output in a table format. To view this data in JSON or YAML format, the output flag can be used. Here are some sample commands: ``` kube-capacity --pods --output json kube-capacity --pods --containers --util --output yaml ``` ### CSV and TSV Output If you would like the data in a comma or tab separated file to make importing the data into a spreadsheet easier the output flag has options for those as well. Here are some sample commands: ``` kube-capacity --pods --output csv kube-capacity --pods --containers --util --output tsv ``` >Note: the `--available` flag is ignored with these two choices as the values can be derived within a spreadsheet ## Flags Supported ``` --as string user to impersonate command with --as-group string group to impersonate command with -c, --containers includes containers in output --context string context to use for Kubernetes config -h, --help help for kube-capacity --kubeconfig string kubeconfig file to use for Kubernetes config -n, --namespace string only include pods from this namespace --namespace-labels string labels to filter namespaces with --no-taint exclude nodes with taints --node-labels string labels to filter nodes with -o, --output string output format for information (supports: [table json yaml csv tsv]) (default "table") -a, --available includes quantity available instead of percentage used (ignored with csv or tsv output types) -t, --node-taints taints to filter nodes with -l, --pod-labels string labels to filter pods with -p, --pods includes pods in output --sort string attribute to sort results by (supports: [cpu.util cpu.request cpu.limit mem.util mem.request mem.limit cpu.util.percentage cpu.request.percentage cpu.limit.percentage mem.util.percentage mem.request.percentage mem.limit.percentage name]) (default "name") -u, --util includes resource utilization in output --pod-count includes pod counts for each of the nodes and the whole cluster ``` ## Prerequisites Any commands requesting cluster utilization are dependent on [metrics-server](https://github.com/kubernetes-incubator/metrics-server) running on your cluster. If it's not already installed, you can install it with the official [helm chart](https://github.com/helm/charts/tree/master/stable/metrics-server). ## Similar Projects There are already some great projects out there that have similar goals. - [kube-resource-report](https://github.com/hjacobs/kube-resource-report): generates HTML/CSS report for resource requests and limits across multiple clusters. - [kubetop](https://github.com/LeastAuthority/kubetop): a CLI similar to top for Kubernetes, focused on resource utilization (not requests and limits). ## Contributors Although this project was originally developed by [robscott](https://github.com/robscott), there have been some great contributions from others: - [endzyme](https://github.com/endzyme) - [justinbarrick](https://github.com/justinbarrick) - [Padarn](https://github.com/Padarn) - [nickatsegment](https://github.com/nickatsegment) - [fnickels](https://github.com/fnickels) - [isaacnboyd](https://github.com/isaacnboyd) ## License Apache License 2.0 0707010000000D000081A400000000000000000000000165D57E03000008DB000000000000000000000000000000000000001B00000000kube-capacity-0.8.0/go.modmodule github.com/robscott/kube-capacity go 1.21 require ( github.com/spf13/cobra v1.8.0 github.com/stretchr/testify v1.8.4 k8s.io/api v0.29.2 k8s.io/apimachinery v0.29.2 k8s.io/client-go v0.29.2 k8s.io/kubectl v0.29.2 k8s.io/kubernetes v1.29.2 k8s.io/metrics v0.29.2 sigs.k8s.io/yaml v1.4.0 ) require ( github.com/davecgh/go-spew v1.1.1 // indirect github.com/emicklei/go-restful/v3 v3.11.2 // indirect github.com/evanphx/json-patch v4.12.0+incompatible // indirect github.com/go-logr/logr v1.4.1 // indirect github.com/go-openapi/jsonpointer v0.20.2 // indirect github.com/go-openapi/jsonreference v0.20.4 // indirect github.com/go-openapi/swag v0.22.7 // indirect github.com/gogo/protobuf v1.3.2 // indirect github.com/golang/protobuf v1.5.3 // indirect github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect github.com/google/gofuzz v1.2.0 // indirect github.com/google/uuid v1.5.0 // indirect github.com/imdario/mergo v0.3.16 // indirect github.com/inconshreveable/mousetrap v1.1.0 // indirect github.com/josharian/intern v1.0.0 // indirect github.com/json-iterator/go v1.1.12 // indirect github.com/mailru/easyjson v0.7.7 // indirect github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect github.com/modern-go/reflect2 v1.0.2 // indirect github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect github.com/pkg/errors v0.9.1 // indirect github.com/pmezard/go-difflib v1.0.0 // indirect github.com/spf13/pflag v1.0.5 // indirect golang.org/x/net v0.20.0 // indirect golang.org/x/oauth2 v0.16.0 // indirect golang.org/x/sys v0.16.0 // indirect golang.org/x/term v0.16.0 // indirect golang.org/x/text v0.14.0 // indirect golang.org/x/time v0.5.0 // indirect google.golang.org/appengine v1.6.8 // indirect google.golang.org/protobuf v1.32.0 // indirect gopkg.in/inf.v0 v0.9.1 // indirect gopkg.in/yaml.v2 v2.4.0 // indirect gopkg.in/yaml.v3 v3.0.1 // indirect k8s.io/klog/v2 v2.120.0 // indirect k8s.io/kube-openapi v0.0.0-20240117194847-208609032b15 // indirect k8s.io/utils v0.0.0-20240102154912-e7106e64919e // indirect sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect ) 0707010000000E000081A400000000000000000000000165D57E0300003E6A000000000000000000000000000000000000001B00000000kube-capacity-0.8.0/go.sumgithub.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/emicklei/go-restful/v3 v3.11.2 h1:1onLa9DcsMYO9P+CXaL0dStDqQ2EHHXLiz+BtnqkLAU= github.com/emicklei/go-restful/v3 v3.11.2/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc= github.com/evanphx/json-patch v4.12.0+incompatible h1:4onqiflcdA9EOZ4RxV643DvftH5pOlLGNtQ5lPWQu84= github.com/evanphx/json-patch v4.12.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk= github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ= github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= github.com/go-openapi/jsonpointer v0.20.2 h1:mQc3nmndL8ZBzStEo3JYF8wzmeWffDH4VbXz58sAx6Q= github.com/go-openapi/jsonpointer v0.20.2/go.mod h1:bHen+N0u1KEO3YlmqOjTT9Adn1RfD91Ar825/PuiRVs= github.com/go-openapi/jsonreference v0.20.4 h1:bKlDxQxQJgwpUSgOENiMPzCTBVuc7vTdXSSgNeAhojU= github.com/go-openapi/jsonreference v0.20.4/go.mod h1:5pZJyJP2MnYCpoeoMAql78cCHauHj0V9Lhc506VOpw4= github.com/go-openapi/swag v0.22.7 h1:JWrc1uc/P9cSomxfnsFSVWoE1FW6bNbrVPmpQYpCcR8= github.com/go-openapi/swag v0.22.7/go.mod h1:Gl91UqO+btAM0plGGxHqJcQZ1ZTy6jbmridBTsDy8A0= github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI= github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572/go.mod h1:9Pwr4B2jHnOSGXyyzV8ROjYa2ojvAY6HCGYYfMoC3Ls= github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q= github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q= github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg= github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 h1:0VpGH+cDhbDtdcweoyCVsF3fhN8kejK6rFe/2FFX2nU= github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49/go.mod h1:BkkQ4L1KS1xMt2aWSPStnn55ChGC0DPOn2FQYj+f25M= github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0= github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 h1:K6RDEckDVWvDI9JAJYCmNdQXq6neHJOYx3V6jnqNEec= github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE= github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU= github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/imdario/mergo v0.3.16 h1:wwQJbIsHYGMUyLSPrEq1CT16AhnhNJQ51+4fdHUnCl4= github.com/imdario/mergo v0.3.16/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+hD27ysY= github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8= github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw= github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY= github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y= github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM= github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8= github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE= github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk= github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0= github.com/mailru/easyjson v0.7.7/go.mod h1:xzfreul335JAWq5oZzymOObrkdz5UnU4kGfJJLY9Nlc= github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg= github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M= github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk= github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 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h1:6HVkd1FwxIagpYrHSwJlQqZI3G9LfYWRPAkUvLnXTKU= k8s.io/client-go v0.29.2 h1:FEg85el1TeZp+/vYJM7hkDlSTFZ+c5nnK44DJ4FyoRg= k8s.io/client-go v0.29.2/go.mod h1:knlvFZE58VpqbQpJNbCbctTVXcd35mMyAAwBdpt4jrA= k8s.io/klog/v2 v2.120.0 h1:z+q5mfovBj1fKFxiRzsa2DsJLPIVMk/KFL81LMOfK+8= k8s.io/klog/v2 v2.120.0/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE= k8s.io/kube-openapi v0.0.0-20240117194847-208609032b15 h1:m6dl1pkxz3HuE2mP9MUYPCCGyy6IIFlv/vTlLBDxIwA= k8s.io/kube-openapi v0.0.0-20240117194847-208609032b15/go.mod h1:Pa1PvrP7ACSkuX6I7KYomY6cmMA0Tx86waBhDUgoKPw= k8s.io/kubectl v0.29.2 h1:uaDYaBhumvkwz0S2XHt36fK0v5IdNgL7HyUniwb2IUo= k8s.io/kubectl v0.29.2/go.mod h1:BhizuYBGcKaHWyq+G7txGw2fXg576QbPrrnQdQDZgqI= k8s.io/kubernetes v1.29.2 h1:8hh1cntqdulanjQt7wSSSsJfBgOyx6fUdFWslvGL5m0= k8s.io/kubernetes v1.29.2/go.mod h1:xZPKU0yO0CBbLTnbd+XGyRmmtmaVuJykDb8gNCkeeUE= k8s.io/metrics v0.29.2 h1:oLSTHEr40V7c7C8wDRRhiAefjGRHROK5zeV8NT0tpzc= k8s.io/metrics v0.29.2/go.mod h1:cWzACDpKElWhm0CElwfK+7I39wDNbmDDCX7hywjvgR4= k8s.io/utils v0.0.0-20240102154912-e7106e64919e h1:eQ/4ljkx21sObifjzXwlPKpdGLrCfRziVtos3ofG/sQ= k8s.io/utils v0.0.0-20240102154912-e7106e64919e/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0= sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo= sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0= sigs.k8s.io/structured-merge-diff/v4 v4.4.1 h1:150L+0vs/8DA78h1u02ooW1/fFq/Lwr+sGiqlzvrtq4= sigs.k8s.io/structured-merge-diff/v4 v4.4.1/go.mod h1:N8hJocpFajUSSeSJ9bOZ77VzejKZaXsTtZo4/u7Io08= sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E= sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY= 0707010000000F000081A400000000000000000000000165D57E03000002BD000000000000000000000000000000000000001C00000000kube-capacity-0.8.0/main.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package main import ( "github.com/robscott/kube-capacity/pkg/cmd" ) func main() { cmd.Execute() } 07070100000010000041ED00000000000000000000000265D57E0300000000000000000000000000000000000000000000001800000000kube-capacity-0.8.0/pkg07070100000011000041ED00000000000000000000000265D57E0300000000000000000000000000000000000000000000002100000000kube-capacity-0.8.0/pkg/capacity07070100000012000081A400000000000000000000000165D57E0300001976000000000000000000000000000000000000002D00000000kube-capacity-0.8.0/pkg/capacity/capacity.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package capacity import ( "context" "fmt" "os" "strings" "github.com/robscott/kube-capacity/pkg/kube" corev1 "k8s.io/api/core/v1" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/client-go/kubernetes" k8taints "k8s.io/kubernetes/pkg/util/taints" v1beta1 "k8s.io/metrics/pkg/apis/metrics/v1beta1" metrics "k8s.io/metrics/pkg/client/clientset/versioned" ) // FetchAndPrint gathers cluster resource data and outputs it func FetchAndPrint(opts Options) { clientset, err := kube.NewClientSet(opts.KubeContext, opts.KubeConfig, opts.ImpersonateUser, opts.ImpersonateGroup) if err != nil { fmt.Printf("Error connecting to Kubernetes: %v\n", err) os.Exit(1) } podList, nodeList := getPodsAndNodes(clientset, opts.ExcludeTainted, opts.PodLabels, opts.NodeLabels, opts.NodeTaints, opts.NamespaceLabels, opts.Namespace) var pmList *v1beta1.PodMetricsList var nmList *v1beta1.NodeMetricsList if opts.ShowUtil { mClientset, err := kube.NewMetricsClientSet(opts.KubeContext, opts.KubeConfig) if err != nil { fmt.Printf("Error connecting to Metrics API: %v\n", err) os.Exit(4) } pmList = getPodMetrics(mClientset, opts.Namespace) if opts.Namespace == "" && opts.NamespaceLabels == "" { nmList = getNodeMetrics(mClientset, nodeList, opts.NodeLabels) } } cm := buildClusterMetric(podList, pmList, nodeList, nmList) showNamespace := opts.Namespace == "" printList(&cm, opts.ShowContainers, opts.ShowPods, opts.ShowUtil, opts.ShowPodCount, showNamespace, opts.OutputFormat, opts.SortBy, opts.AvailableFormat) } func getPodsAndNodes(clientset kubernetes.Interface, excludeTainted bool, podLabels, nodeLabels, nodeTaints, namespaceLabels, namespace string) (*corev1.PodList, *corev1.NodeList) { nodeList, err := clientset.CoreV1().Nodes().List(context.TODO(), metav1.ListOptions{ LabelSelector: nodeLabels, }) if err != nil { fmt.Printf("Error listing Nodes: %v\n", err) os.Exit(2) } if excludeTainted { filteredNodeList := []corev1.Node{} for _, node := range nodeList.Items { if len(node.Spec.Taints) == 0 { filteredNodeList = append(filteredNodeList, node) } } nodeList.Items = filteredNodeList } if nodeTaints != "" { taints := strings.Split(nodeTaints, ",") taintsToAdd, taintsToRemove, error := k8taints.ParseTaints(taints) if error != nil { fmt.Printf("Error parsing taint parameter: %v\n", error) os.Exit(3) } var tempAddNodeList corev1.NodeList var tempRemoveNodeList corev1.NodeList for _, node := range nodeList.Items { for _, nodeTaint := range node.Spec.Taints { for _, paramTaint := range taintsToAdd { if nodeTaint.Key == paramTaint.Key && nodeTaint.Effect == paramTaint.Effect { tempAddNodeList.Items = append(tempAddNodeList.Items, node) } } for _, paramTaint := range taintsToRemove { if nodeTaint.Key == paramTaint.Key && nodeTaint.Effect == paramTaint.Effect { tempRemoveNodeList.Items = append(tempRemoveNodeList.Items, node) } } } } isTainted := false var tempFinalNodeList corev1.NodeList if len(tempRemoveNodeList.Items) == 0 { *nodeList = tempAddNodeList } else if len(tempAddNodeList.Items) == 0 { for _, node := range nodeList.Items { for _, removedNode := range tempRemoveNodeList.Items { if node.ObjectMeta.Name == removedNode.ObjectMeta.Name { isTainted = true break } } if !isTainted { tempFinalNodeList.Items = append(tempFinalNodeList.Items, node) } isTainted = false } *nodeList = tempFinalNodeList } else { for _, node := range tempAddNodeList.Items { for _, removedNode := range tempRemoveNodeList.Items { if node.ObjectMeta.Name == removedNode.ObjectMeta.Name { isTainted = true break } } if !isTainted { tempFinalNodeList.Items = append(tempFinalNodeList.Items, node) } isTainted = false } *nodeList = tempFinalNodeList } } podList, err := clientset.CoreV1().Pods(namespace).List(context.TODO(), metav1.ListOptions{ LabelSelector: podLabels, }) if err != nil { fmt.Printf("Error listing Pods: %v\n", err) os.Exit(3) } newPodItems := []corev1.Pod{} nodes := map[string]bool{} for _, node := range nodeList.Items { nodes[node.GetName()] = true } for _, pod := range podList.Items { if !nodes[pod.Spec.NodeName] { continue } newPodItems = append(newPodItems, pod) } podList.Items = newPodItems if namespace == "" && namespaceLabels != "" { namespaceList, err := clientset.CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{ LabelSelector: namespaceLabels, }) if err != nil { fmt.Printf("Error listing Namespaces: %v\n", err) os.Exit(3) } namespaces := map[string]bool{} for _, ns := range namespaceList.Items { namespaces[ns.GetName()] = true } newPodItems := []corev1.Pod{} for _, pod := range podList.Items { if !namespaces[pod.GetNamespace()] { continue } newPodItems = append(newPodItems, pod) } podList.Items = newPodItems } return podList, nodeList } func getPodMetrics(mClientset *metrics.Clientset, namespace string) *v1beta1.PodMetricsList { pmList, err := mClientset.MetricsV1beta1().PodMetricses(namespace).List(context.TODO(), metav1.ListOptions{}) if err != nil { fmt.Printf("Error getting Pod Metrics: %v\n", err) fmt.Println("For this to work, metrics-server needs to be running in your cluster") os.Exit(6) } return pmList } func getNodeMetrics(mClientset *metrics.Clientset, nodeList *corev1.NodeList, nodeLabels string) *v1beta1.NodeMetricsList { nmList, err := mClientset.MetricsV1beta1().NodeMetricses().List(context.TODO(), metav1.ListOptions{ LabelSelector: nodeLabels, }) if err != nil { fmt.Printf("Error getting Node Metrics: %v\n", err) fmt.Println("For this to work, metrics-server needs to be running in your cluster") os.Exit(7) } return nmList } 07070100000013000081A400000000000000000000000165D57E03000019A4000000000000000000000000000000000000003200000000kube-capacity-0.8.0/pkg/capacity/capacity_test.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package capacity import ( "testing" "github.com/stretchr/testify/assert" corev1 "k8s.io/api/core/v1" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/client-go/kubernetes/fake" ) func TestGetPodsAndNodes(t *testing.T) { clientset := fake.NewSimpleClientset( node("mynode", map[string]string{"hello": "world"}, false), node("mynode2", map[string]string{"hello": "world", "moon": "lol"}, true), nodeWithTaint("mynode3", map[string]string{"hello": "world"}, "taintkey", "taintvalue"), nodeWithTaint("mynode4", map[string]string{}, "taintkey", ""), namespace("default", map[string]string{"app": "true"}), namespace("kube-system", map[string]string{"system": "true"}), namespace("other", map[string]string{"app": "true", "system": "true"}), namespace("another", map[string]string{"hello": "world"}), pod("mynode", "default", "mypod", map[string]string{"a": "test"}), pod("mynode2", "kube-system", "mypod1", map[string]string{"b": "test"}), pod("mynode", "other", "mypod2", map[string]string{"c": "test"}), pod("mynode2", "other", "mypod3", map[string]string{"d": "test"}), pod("mynode2", "default", "mypod4", map[string]string{"e": "test"}), pod("mynode", "another", "mypod5", map[string]string{"f": "test"}), pod("mynode", "default", "mypod6", map[string]string{"g": "test"}), pod("mynode3", "default", "mypod7", map[string]string{"e": "test"}), pod("mynode4", "default", "mypod8", map[string]string{"g": "test"}), ) podList, nodeList := getPodsAndNodes(clientset, false, "", "", "", "", "") assert.Equal(t, []string{"mynode", "mynode2", "mynode3", "mynode4"}, listNodes(nodeList)) assert.Equal(t, []string{ "another/mypod5", "default/mypod", "default/mypod4", "default/mypod6", "default/mypod7", "default/mypod8", "kube-system/mypod1", "other/mypod2", "other/mypod3", }, listPods(podList)) podList, nodeList = getPodsAndNodes(clientset, true, "", "hello=world", "", "", "") assert.Equal(t, []string{"mynode"}, listNodes(nodeList)) assert.Equal(t, []string{ "another/mypod5", "default/mypod", "default/mypod6", "other/mypod2", }, listPods(podList)) podList, nodeList = getPodsAndNodes(clientset, false, "", "hello=world", "", "", "") assert.Equal(t, []string{"mynode", "mynode2", "mynode3"}, listNodes(nodeList)) assert.Equal(t, []string{ "another/mypod5", "default/mypod", "default/mypod4", "default/mypod6", "default/mypod7", "kube-system/mypod1", "other/mypod2", "other/mypod3", }, listPods(podList)) podList, nodeList = getPodsAndNodes(clientset, false, "", "moon=lol", "", "", "") assert.Equal(t, []string{"mynode2"}, listNodes(nodeList)) assert.Equal(t, []string{ "default/mypod4", "kube-system/mypod1", "other/mypod3", }, listPods(podList)) podList, nodeList = getPodsAndNodes(clientset, false, "a=test", "", "", "", "") assert.Equal(t, []string{"mynode", "mynode2", "mynode3", "mynode4"}, listNodes(nodeList)) assert.Equal(t, []string{ "default/mypod", }, listPods(podList)) podList, nodeList = getPodsAndNodes(clientset, false, "a=test,b!=test", "", "", "app=true", "") assert.Equal(t, []string{"mynode", "mynode2", "mynode3", "mynode4"}, listNodes(nodeList)) assert.Equal(t, []string{ "default/mypod", }, listPods(podList)) podList, nodeList = getPodsAndNodes(clientset, false, "a=test,b!=test", "", "", "", "default") assert.Equal(t, []string{"mynode", "mynode2", "mynode3", "mynode4"}, listNodes(nodeList)) assert.Equal(t, []string{ "default/mypod", }, listPods(podList)) podList, nodeList = getPodsAndNodes(clientset, false, "", "", "taintkey=taintvalue:NoSchedule-", "", "") assert.Equal(t, []string{"mynode", "mynode2"}, listNodes(nodeList)) assert.Equal(t, []string{ "another/mypod5", "default/mypod", "default/mypod4", "default/mypod6", "kube-system/mypod1", "other/mypod2", "other/mypod3", }, listPods(podList)) podList, nodeList = getPodsAndNodes(clientset, false, "", "", "taintkey:NoSchedule-", "", "") assert.Equal(t, []string{"mynode", "mynode2"}, listNodes(nodeList)) assert.Equal(t, []string{ "another/mypod5", "default/mypod", "default/mypod4", "default/mypod6", "kube-system/mypod1", "other/mypod2", "other/mypod3", }, listPods(podList)) podList, nodeList = getPodsAndNodes(clientset, false, "", "", "taintkey=taintvalue:NoSchedule", "", "") assert.Equal(t, []string{"mynode3", "mynode4"}, listNodes(nodeList)) assert.Equal(t, []string{ "default/mypod7", "default/mypod8", }, listPods(podList)) } func node(name string, labels map[string]string, tainted bool) *corev1.Node { n := &corev1.Node{ TypeMeta: metav1.TypeMeta{ Kind: "Node", APIVersion: "v1", }, ObjectMeta: metav1.ObjectMeta{ Name: name, Labels: labels, }, } if tainted { n.Spec = corev1.NodeSpec{ Taints: []corev1.Taint{ { Key: "taint", Value: "true", Effect: corev1.TaintEffectNoSchedule, }, }, } } return n } func nodeWithTaint(name string, labels map[string]string, key, value string) *corev1.Node { return &corev1.Node{ TypeMeta: metav1.TypeMeta{ Kind: "Node", APIVersion: "v1", }, ObjectMeta: metav1.ObjectMeta{ Name: name, Labels: labels, }, Spec: corev1.NodeSpec{ Taints: []corev1.Taint{ { Key: key, Value: value, Effect: "NoSchedule", }, }, }, } } func namespace(name string, labels map[string]string) *corev1.Namespace { return &corev1.Namespace{ TypeMeta: metav1.TypeMeta{ Kind: "Namespace", APIVersion: "v1", }, ObjectMeta: metav1.ObjectMeta{ Name: name, Labels: labels, }, } } func pod(node, namespace, name string, labels map[string]string) *corev1.Pod { return &corev1.Pod{ TypeMeta: metav1.TypeMeta{ Kind: "Pod", APIVersion: "v1", }, ObjectMeta: metav1.ObjectMeta{ Name: name, Namespace: namespace, Labels: labels, }, Spec: corev1.PodSpec{ NodeName: node, }, } } 07070100000014000081A400000000000000000000000165D57E03000002D2000000000000000000000000000000000000002E00000000kube-capacity-0.8.0/pkg/capacity/constants.go// Copyright 2023 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package capacity // add constants for repetitive strings const ( VoidValue = "*" CSVStringTerminator = "\"" ) 07070100000015000081A400000000000000000000000165D57E0300002516000000000000000000000000000000000000002800000000kube-capacity-0.8.0/pkg/capacity/csv.go// Copyright 2023 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package capacity import ( "fmt" "io" "os" "strings" ) type csvPrinter struct { cm *clusterMetric showPods bool showUtil bool showPodCount bool showContainers bool showNamespace bool sortBy string file io.Writer separator string } type csvLine struct { node string namespace string pod string container string cpuCapacity string cpuRequests string cpuRequestsPercentage string cpuLimits string cpuLimitsPercentage string cpuUtil string cpuUtilPercentage string memoryCapacity string memoryRequests string memoryRequestsPercentage string memoryLimits string memoryLimitsPercentage string memoryUtil string memoryUtilPercentage string podCountCurrent string podCountAllocatable string } var csvHeaderStrings = csvLine{ node: "NODE", namespace: "NAMESPACE", pod: "POD", container: "CONTAINER", cpuCapacity: "CPU CAPACITY (milli)", cpuRequests: "CPU REQUESTS", cpuRequestsPercentage: "CPU REQUESTS %%", cpuLimits: "CPU LIMITS", cpuLimitsPercentage: "CPU LIMITS %%", cpuUtil: "CPU UTIL", cpuUtilPercentage: "CPU UTIL %%", memoryCapacity: "MEMORY CAPACITY (Mi)", memoryRequests: "MEMORY REQUESTS", memoryRequestsPercentage: "MEMORY REQUESTS %%", memoryLimits: "MEMORY LIMITS", memoryLimitsPercentage: "MEMORY LIMITS %%", memoryUtil: "MEMORY UTIL", memoryUtilPercentage: "MEMORY UTIL %%", podCountCurrent: "POD COUNT CURRENT", podCountAllocatable: "POD COUNT ALLOCATABLE", } func (cp *csvPrinter) Print(outputType string) { cp.file = os.Stdout cp.separator = outputType sortedNodeMetrics := cp.cm.getSortedNodeMetrics(cp.sortBy) cp.printLine(&csvHeaderStrings) if len(sortedNodeMetrics) > 1 { cp.printClusterLine() } for _, nm := range sortedNodeMetrics { cp.printNodeLine(nm.name, nm) if cp.showPods || cp.showContainers { podMetrics := nm.getSortedPodMetrics(cp.sortBy) for _, pm := range podMetrics { cp.printPodLine(nm.name, pm) if cp.showContainers { containerMetrics := pm.getSortedContainerMetrics(cp.sortBy) for _, containerMetric := range containerMetrics { cp.printContainerLine(nm.name, pm, containerMetric) } } } } } } func (cp *csvPrinter) printLine(cl *csvLine) { separator := "," if cp.separator == TSVOutput { separator = "\t" } lineItems := cp.getLineItems(cl) fmt.Fprintf(cp.file, strings.Join(lineItems[:], separator)+"\n") } func (cp *csvPrinter) getLineItems(cl *csvLine) []string { lineItems := []string{CSVStringTerminator + cl.node + CSVStringTerminator} if cp.showContainers || cp.showPods { if cp.showNamespace { lineItems = append(lineItems, CSVStringTerminator+cl.namespace+CSVStringTerminator) } lineItems = append(lineItems, CSVStringTerminator+cl.pod+CSVStringTerminator) } if cp.showContainers { lineItems = append(lineItems, CSVStringTerminator+cl.container+CSVStringTerminator) } lineItems = append(lineItems, cl.cpuCapacity) lineItems = append(lineItems, cl.cpuRequests) lineItems = append(lineItems, cl.cpuRequestsPercentage) lineItems = append(lineItems, cl.cpuLimits) lineItems = append(lineItems, cl.cpuLimitsPercentage) if cp.showUtil { lineItems = append(lineItems, cl.cpuUtil) lineItems = append(lineItems, cl.cpuUtilPercentage) } lineItems = append(lineItems, cl.memoryCapacity) lineItems = append(lineItems, cl.memoryRequests) lineItems = append(lineItems, cl.memoryRequestsPercentage) lineItems = append(lineItems, cl.memoryLimits) lineItems = append(lineItems, cl.memoryLimitsPercentage) if cp.showUtil { lineItems = append(lineItems, cl.memoryUtil) lineItems = append(lineItems, cl.memoryUtilPercentage) } if cp.showPodCount { lineItems = append(lineItems, cl.podCountCurrent) lineItems = append(lineItems, cl.podCountAllocatable) } return lineItems } func (cp *csvPrinter) printClusterLine() { cp.printLine(&csvLine{ node: VoidValue, namespace: VoidValue, pod: VoidValue, container: VoidValue, cpuCapacity: cp.cm.cpu.capacityString(), cpuRequests: cp.cm.cpu.requestActualString(), cpuRequestsPercentage: cp.cm.cpu.requestPercentageString(), cpuLimits: cp.cm.cpu.limitActualString(), cpuLimitsPercentage: cp.cm.cpu.limitPercentageString(), cpuUtil: cp.cm.cpu.utilActualString(), cpuUtilPercentage: cp.cm.cpu.utilPercentageString(), memoryCapacity: cp.cm.memory.capacityString(), memoryRequests: cp.cm.memory.requestActualString(), memoryRequestsPercentage: cp.cm.memory.requestPercentageString(), memoryLimits: cp.cm.memory.limitActualString(), memoryLimitsPercentage: cp.cm.memory.limitPercentageString(), memoryUtil: cp.cm.memory.utilActualString(), memoryUtilPercentage: cp.cm.memory.utilPercentageString(), podCountCurrent: cp.cm.podCount.podCountCurrentString(), podCountAllocatable: cp.cm.podCount.podCountAllocatableString(), }) } func (cp *csvPrinter) printNodeLine(nodeName string, nm *nodeMetric) { cp.printLine(&csvLine{ node: nodeName, namespace: VoidValue, pod: VoidValue, container: VoidValue, cpuCapacity: nm.cpu.capacityString(), cpuRequests: nm.cpu.requestActualString(), cpuRequestsPercentage: nm.cpu.requestPercentageString(), cpuLimits: nm.cpu.limitActualString(), cpuLimitsPercentage: nm.cpu.limitPercentageString(), cpuUtil: nm.cpu.utilActualString(), cpuUtilPercentage: nm.cpu.utilPercentageString(), memoryCapacity: nm.memory.capacityString(), memoryRequests: nm.memory.requestActualString(), memoryRequestsPercentage: nm.memory.requestPercentageString(), memoryLimits: nm.memory.limitActualString(), memoryLimitsPercentage: nm.memory.limitPercentageString(), memoryUtil: nm.memory.utilActualString(), memoryUtilPercentage: nm.memory.utilPercentageString(), podCountCurrent: nm.podCount.podCountCurrentString(), podCountAllocatable: nm.podCount.podCountAllocatableString(), }) } func (cp *csvPrinter) printPodLine(nodeName string, pm *podMetric) { cp.printLine(&csvLine{ node: nodeName, namespace: pm.namespace, pod: pm.name, container: VoidValue, cpuCapacity: pm.cpu.capacityString(), cpuRequests: pm.cpu.requestActualString(), cpuRequestsPercentage: pm.cpu.requestPercentageString(), cpuLimits: pm.cpu.limitActualString(), cpuLimitsPercentage: pm.cpu.limitPercentageString(), cpuUtil: pm.cpu.utilActualString(), cpuUtilPercentage: pm.cpu.utilPercentageString(), memoryCapacity: pm.memory.capacityString(), memoryRequests: pm.memory.requestActualString(), memoryRequestsPercentage: pm.memory.requestPercentageString(), memoryLimits: pm.memory.limitActualString(), memoryLimitsPercentage: pm.memory.limitPercentageString(), memoryUtil: pm.memory.utilActualString(), memoryUtilPercentage: pm.memory.utilPercentageString(), }) } func (cp *csvPrinter) printContainerLine(nodeName string, pm *podMetric, cm *containerMetric) { cp.printLine(&csvLine{ node: nodeName, namespace: pm.namespace, pod: pm.name, container: cm.name, cpuCapacity: cm.cpu.capacityString(), cpuRequests: cm.cpu.requestActualString(), cpuRequestsPercentage: cm.cpu.requestPercentageString(), cpuLimits: cm.cpu.limitActualString(), cpuLimitsPercentage: cm.cpu.limitPercentageString(), cpuUtil: cm.cpu.utilActualString(), cpuUtilPercentage: cm.cpu.utilPercentageString(), memoryCapacity: cm.memory.capacityString(), memoryRequests: cm.memory.requestActualString(), memoryRequestsPercentage: cm.memory.requestPercentageString(), memoryLimits: cm.memory.limitActualString(), memoryLimitsPercentage: cm.memory.limitPercentageString(), memoryUtil: cm.memory.utilActualString(), memoryUtilPercentage: cm.memory.utilPercentageString(), }) } 07070100000016000081A400000000000000000000000165D57E030000133B000000000000000000000000000000000000002900000000kube-capacity-0.8.0/pkg/capacity/list.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package capacity import ( "encoding/json" "fmt" "sigs.k8s.io/yaml" ) type listNodeMetric struct { Name string `json:"name"` CPU *listResourceOutput `json:"cpu,omitempty"` Memory *listResourceOutput `json:"memory,omitempty"` Pods []*listPod `json:"pods,omitempty"` PodCount string `json:"podCount,omitempty"` } type listPod struct { Name string `json:"name"` Namespace string `json:"namespace"` CPU *listResourceOutput `json:"cpu"` Memory *listResourceOutput `json:"memory"` Containers []listContainer `json:"containers,omitempty"` } type listContainer struct { Name string `json:"name"` CPU *listResourceOutput `json:"cpu"` Memory *listResourceOutput `json:"memory"` } type listResourceOutput struct { Requests string `json:"requests"` RequestsPct string `json:"requestsPercent"` Limits string `json:"limits"` LimitsPct string `json:"limitsPercent"` Utilization string `json:"utilization,omitempty"` UtilizationPct string `json:"utilizationPercent,omitempty"` } type listClusterMetrics struct { Nodes []*listNodeMetric `json:"nodes"` ClusterTotals *listClusterTotals `json:"clusterTotals"` } type listClusterTotals struct { CPU *listResourceOutput `json:"cpu"` Memory *listResourceOutput `json:"memory"` PodCount string `json:"podCount,omitempty"` } type listPrinter struct { cm *clusterMetric showPods bool showContainers bool showUtil bool showPodCount bool sortBy string } func (lp listPrinter) Print(outputType string) { listOutput := lp.buildListClusterMetrics() jsonRaw, err := json.MarshalIndent(listOutput, "", " ") if err != nil { fmt.Println("Error Marshalling JSON") fmt.Println(err) } else { if outputType == JSONOutput { fmt.Printf("%s", jsonRaw) } else { // This is a strange approach, but the k8s YAML package // already marshalls to JSON before converting to YAML, // this just allows us to follow the same code path. yamlRaw, err := yaml.JSONToYAML(jsonRaw) if err != nil { fmt.Println("Error Converting JSON to Yaml") fmt.Println(err) } else { fmt.Printf("%s", yamlRaw) } } } } func (lp *listPrinter) buildListClusterMetrics() listClusterMetrics { var response listClusterMetrics response.ClusterTotals = &listClusterTotals{ CPU: lp.buildListResourceOutput(lp.cm.cpu), Memory: lp.buildListResourceOutput(lp.cm.memory), } if lp.showPodCount { response.ClusterTotals.PodCount = lp.cm.podCount.podCountString() } for _, nodeMetric := range lp.cm.getSortedNodeMetrics(lp.sortBy) { var node listNodeMetric node.Name = nodeMetric.name node.CPU = lp.buildListResourceOutput(nodeMetric.cpu) node.Memory = lp.buildListResourceOutput(nodeMetric.memory) if lp.showPodCount { node.PodCount = nodeMetric.podCount.podCountString() } if lp.showPods || lp.showContainers { for _, podMetric := range nodeMetric.getSortedPodMetrics(lp.sortBy) { var pod listPod pod.Name = podMetric.name pod.Namespace = podMetric.namespace pod.CPU = lp.buildListResourceOutput(podMetric.cpu) pod.Memory = lp.buildListResourceOutput(podMetric.memory) if lp.showContainers { for _, containerMetric := range podMetric.getSortedContainerMetrics(lp.sortBy) { pod.Containers = append(pod.Containers, listContainer{ Name: containerMetric.name, Memory: lp.buildListResourceOutput(containerMetric.memory), CPU: lp.buildListResourceOutput(containerMetric.cpu), }) } } node.Pods = append(node.Pods, &pod) } } response.Nodes = append(response.Nodes, &node) } return response } func (lp *listPrinter) buildListResourceOutput(item *resourceMetric) *listResourceOutput { valueCalculator := item.valueFunction() percentCalculator := item.percentFunction() out := listResourceOutput{ Requests: valueCalculator(item.request), RequestsPct: percentCalculator(item.request), Limits: valueCalculator(item.limit), LimitsPct: percentCalculator(item.limit), } if lp.showUtil { out.Utilization = valueCalculator(item.utilization) out.UtilizationPct = percentCalculator(item.utilization) } return &out } 07070100000017000081A400000000000000000000000165D57E0300001B10000000000000000000000000000000000000002E00000000kube-capacity-0.8.0/pkg/capacity/list_test.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package capacity import ( "testing" "github.com/stretchr/testify/assert" corev1 "k8s.io/api/core/v1" "k8s.io/apimachinery/pkg/api/resource" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" v1beta1 "k8s.io/metrics/pkg/apis/metrics/v1beta1" ) func TestBuildListClusterMetricsNoOptions(t *testing.T) { cm := getTestClusterMetric() lp := listPrinter{ cm: &cm, } lcm := lp.buildListClusterMetrics() assert.EqualValues(t, &listClusterTotals{ CPU: &listResourceOutput{ Requests: "650m", RequestsPct: "65%", Limits: "810m", LimitsPct: "81%", }, Memory: &listResourceOutput{ Requests: "410Mi", RequestsPct: "10%", Limits: "580Mi", LimitsPct: "14%", }, }, lcm.ClusterTotals) assert.EqualValues(t, &listNodeMetric{ Name: "example-node-1", CPU: &listResourceOutput{ Requests: "650m", RequestsPct: "65%", Limits: "810m", LimitsPct: "81%", }, Memory: &listResourceOutput{ Requests: "410Mi", RequestsPct: "10%", Limits: "580Mi", LimitsPct: "14%", }, }, lcm.Nodes[0]) } func TestBuildListClusterMetricsAllOptions(t *testing.T) { cm := getTestClusterMetric() lp := listPrinter{ cm: &cm, showUtil: true, showPods: true, showContainers: true, showPodCount: true, } lcm := lp.buildListClusterMetrics() assert.EqualValues(t, &listClusterTotals{ CPU: &listResourceOutput{ Requests: "650m", RequestsPct: "65%", Limits: "810m", LimitsPct: "81%", Utilization: "63m", UtilizationPct: "6%", }, Memory: &listResourceOutput{ Requests: "410Mi", RequestsPct: "10%", Limits: "580Mi", LimitsPct: "14%", Utilization: "439Mi", UtilizationPct: "10%", }, PodCount: "1/110", }, lcm.ClusterTotals) assert.EqualValues(t, &listNodeMetric{ Name: "example-node-1", PodCount: "1/110", CPU: &listResourceOutput{ Requests: "650m", RequestsPct: "65%", Limits: "810m", LimitsPct: "81%", Utilization: "63m", UtilizationPct: "6%", }, Memory: &listResourceOutput{ Requests: "410Mi", RequestsPct: "10%", Limits: "580Mi", LimitsPct: "14%", Utilization: "439Mi", UtilizationPct: "10%", }, Pods: []*listPod{ { Name: "example-pod", Namespace: "default", CPU: &listResourceOutput{ Requests: "650m", RequestsPct: "65%", Limits: "810m", LimitsPct: "81%", Utilization: "63m", UtilizationPct: "6%", }, Memory: &listResourceOutput{ Requests: "410Mi", RequestsPct: "10%", Limits: "580Mi", LimitsPct: "14%", Utilization: "439Mi", UtilizationPct: "10%", }, Containers: []listContainer{ { Name: "example-container-1", CPU: &listResourceOutput{ Requests: "450m", RequestsPct: "45%", Limits: "560m", LimitsPct: "56%", Utilization: "40m", UtilizationPct: "4%", }, Memory: &listResourceOutput{ Requests: "160Mi", RequestsPct: "4%", Limits: "280Mi", LimitsPct: "7%", Utilization: "288Mi", UtilizationPct: "7%", }, }, { Name: "example-container-2", CPU: &listResourceOutput{ Requests: "200m", RequestsPct: "20%", Limits: "250m", LimitsPct: "25%", Utilization: "23m", UtilizationPct: "2%", }, Memory: &listResourceOutput{ Requests: "250Mi", RequestsPct: "6%", Limits: "300Mi", LimitsPct: "7%", Utilization: "151Mi", UtilizationPct: "3%", }, }, }, }, }}, lcm.Nodes[0]) } func getTestClusterMetric() clusterMetric { return buildClusterMetric( &corev1.PodList{ Items: []corev1.Pod{ { ObjectMeta: metav1.ObjectMeta{ Name: "example-pod", Namespace: "default", }, Spec: corev1.PodSpec{ NodeName: "example-node-1", Containers: []corev1.Container{ { Name: "example-container-1", Resources: corev1.ResourceRequirements{ Requests: corev1.ResourceList{ "cpu": resource.MustParse("450m"), "memory": resource.MustParse("160Mi"), }, Limits: corev1.ResourceList{ "cpu": resource.MustParse("560m"), "memory": resource.MustParse("280Mi"), }, }, }, { Name: "example-container-2", Resources: corev1.ResourceRequirements{ Requests: corev1.ResourceList{ "cpu": resource.MustParse("200m"), "memory": resource.MustParse("250Mi"), }, Limits: corev1.ResourceList{ "cpu": resource.MustParse("250m"), "memory": resource.MustParse("300Mi"), }, }, }, }, }, }, }, }, &v1beta1.PodMetricsList{ Items: []v1beta1.PodMetrics{ { ObjectMeta: metav1.ObjectMeta{ Name: "example-pod", Namespace: "default", }, Containers: []v1beta1.ContainerMetrics{ { Name: "example-container-1", Usage: corev1.ResourceList{ "cpu": resource.MustParse("40m"), "memory": resource.MustParse("288Mi"), }, }, { Name: "example-container-2", Usage: corev1.ResourceList{ "cpu": resource.MustParse("23m"), "memory": resource.MustParse("151Mi"), }, }, }, }, }, }, &corev1.NodeList{ Items: []corev1.Node{ { ObjectMeta: metav1.ObjectMeta{ Name: "example-node-1", }, Status: corev1.NodeStatus{ Allocatable: corev1.ResourceList{ "cpu": resource.MustParse("1000m"), "memory": resource.MustParse("4000Mi"), "pods": resource.MustParse("110"), }, }, }, }, }, &v1beta1.NodeMetricsList{ Items: []v1beta1.NodeMetrics{ { ObjectMeta: metav1.ObjectMeta{ Name: "example-node-1", }, Usage: corev1.ResourceList{ "cpu": resource.MustParse("63m"), "memory": resource.MustParse("439Mi"), }, }, }, }, ) } 07070100000018000081A400000000000000000000000165D57E030000021E000000000000000000000000000000000000002C00000000kube-capacity-0.8.0/pkg/capacity/options.gopackage capacity // Options is a struct containing the command line options // FetchAndPrint depends on type Options struct { ShowContainers bool ShowPods bool ShowUtil bool ShowPodCount bool PodLabels string NodeLabels string NodeTaints string ExcludeTainted bool NamespaceLabels string Namespace string KubeContext string KubeConfig string OutputFormat string SortBy string AvailableFormat bool ImpersonateUser string ImpersonateGroup string } 07070100000019000081A400000000000000000000000165D57E03000009C9000000000000000000000000000000000000002C00000000kube-capacity-0.8.0/pkg/capacity/printer.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package capacity import ( "fmt" "os" "text/tabwriter" ) const ( //TableOutput is the constant value for output type table TableOutput string = "table" //CSVOutput is the constant value for output type csv CSVOutput string = "csv" //TSVOutput is the constant value for output type csv TSVOutput string = "tsv" //JSONOutput is the constant value for output type JSON JSONOutput string = "json" //YAMLOutput is the constant value for output type YAML YAMLOutput string = "yaml" ) // SupportedOutputs returns a string list of output formats supposed by this package func SupportedOutputs() []string { return []string{ TableOutput, CSVOutput, TSVOutput, JSONOutput, YAMLOutput, } } func printList(cm *clusterMetric, showContainers, showPods, showUtil, showPodCount, showNamespace bool, output, sortBy string, availableFormat bool) { if output == JSONOutput || output == YAMLOutput { lp := &listPrinter{ cm: cm, showPods: showPods, showUtil: showUtil, showContainers: showContainers, showPodCount: showPodCount, sortBy: sortBy, } lp.Print(output) } else if output == TableOutput { tp := &tablePrinter{ cm: cm, showPods: showPods, showUtil: showUtil, showPodCount: showPodCount, showContainers: showContainers, showNamespace: showNamespace, sortBy: sortBy, w: new(tabwriter.Writer), availableFormat: availableFormat, } tp.Print() } else if output == CSVOutput || output == TSVOutput { cp := &csvPrinter{ cm: cm, showPods: showPods, showUtil: showUtil, showPodCount: showPodCount, showContainers: showContainers, showNamespace: showNamespace, sortBy: sortBy, } cp.Print(output) } else { fmt.Printf("Called with an unsupported output type: %s", output) os.Exit(1) } } 0707010000001A000081A400000000000000000000000165D57E0300003D04000000000000000000000000000000000000002E00000000kube-capacity-0.8.0/pkg/capacity/resources.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package capacity import ( "fmt" "sort" corev1 "k8s.io/api/core/v1" "k8s.io/apimachinery/pkg/api/resource" resourcehelper "k8s.io/kubectl/pkg/util/resource" v1beta1 "k8s.io/metrics/pkg/apis/metrics/v1beta1" ) // SupportedSortAttributes lists the valid sorting options var SupportedSortAttributes = [...]string{ "cpu.util", "cpu.request", "cpu.limit", "mem.util", "mem.request", "mem.limit", "cpu.util.percentage", "cpu.request.percentage", "cpu.limit.percentage", "mem.util.percentage", "mem.request.percentage", "mem.limit.percentage", "name", } // Mebibyte represents the number of bytes in a mebibyte. const Mebibyte = 1024 * 1024 type resourceMetric struct { resourceType string allocatable resource.Quantity utilization resource.Quantity request resource.Quantity limit resource.Quantity } type clusterMetric struct { cpu *resourceMetric memory *resourceMetric nodeMetrics map[string]*nodeMetric podCount *podCount } type nodeMetric struct { name string cpu *resourceMetric memory *resourceMetric podMetrics map[string]*podMetric podCount *podCount } type podMetric struct { name string namespace string cpu *resourceMetric memory *resourceMetric containerMetrics map[string]*containerMetric } type containerMetric struct { name string cpu *resourceMetric memory *resourceMetric } type podCount struct { current int64 allocatable int64 } func buildClusterMetric(podList *corev1.PodList, pmList *v1beta1.PodMetricsList, nodeList *corev1.NodeList, nmList *v1beta1.NodeMetricsList) clusterMetric { cm := clusterMetric{ cpu: &resourceMetric{resourceType: "cpu"}, memory: &resourceMetric{resourceType: "memory"}, nodeMetrics: map[string]*nodeMetric{}, podCount: &podCount{}, } var totalPodAllocatable int64 var totalPodCurrent int64 for _, node := range nodeList.Items { var tmpPodCount int64 for _, pod := range podList.Items { if pod.Spec.NodeName == node.Name && pod.Status.Phase != corev1.PodSucceeded && pod.Status.Phase != corev1.PodFailed { tmpPodCount++ } } totalPodCurrent += tmpPodCount totalPodAllocatable += node.Status.Allocatable.Pods().Value() cm.nodeMetrics[node.Name] = &nodeMetric{ name: node.Name, cpu: &resourceMetric{ resourceType: "cpu", allocatable: node.Status.Allocatable["cpu"], }, memory: &resourceMetric{ resourceType: "memory", allocatable: node.Status.Allocatable["memory"], }, podMetrics: map[string]*podMetric{}, podCount: &podCount{ current: tmpPodCount, allocatable: node.Status.Allocatable.Pods().Value(), }, } } cm.podCount.current = totalPodCurrent cm.podCount.allocatable = totalPodAllocatable if nmList != nil { for _, nm := range nmList.Items { if cm.nodeMetrics[nm.Name] == nil { continue } cm.nodeMetrics[nm.Name].cpu.utilization = nm.Usage["cpu"] cm.nodeMetrics[nm.Name].memory.utilization = nm.Usage["memory"] } } podMetrics := map[string]v1beta1.PodMetrics{} if pmList != nil { for _, pm := range pmList.Items { podMetrics[fmt.Sprintf("%s-%s", pm.GetNamespace(), pm.GetName())] = pm } } for _, pod := range podList.Items { if pod.Status.Phase != corev1.PodSucceeded && pod.Status.Phase != corev1.PodFailed { cm.addPodMetric(&pod, podMetrics[fmt.Sprintf("%s-%s", pod.GetNamespace(), pod.GetName())]) } } for _, node := range nodeList.Items { if nm, ok := cm.nodeMetrics[node.Name]; ok { cm.addNodeMetric(nm) // When namespace filtering is configured, we want to sum pod // utilization instead of relying on node util. if nmList == nil { nm.addPodUtilization() } } } return cm } func (rm *resourceMetric) addMetric(m *resourceMetric) { rm.allocatable.Add(m.allocatable) rm.utilization.Add(m.utilization) rm.request.Add(m.request) rm.limit.Add(m.limit) } func (cm *clusterMetric) addPodMetric(pod *corev1.Pod, podMetrics v1beta1.PodMetrics) { req, limit := resourcehelper.PodRequestsAndLimits(pod) key := fmt.Sprintf("%s-%s", pod.Namespace, pod.Name) nm := cm.nodeMetrics[pod.Spec.NodeName] pm := &podMetric{ name: pod.Name, namespace: pod.Namespace, cpu: &resourceMetric{ resourceType: "cpu", request: req["cpu"], limit: limit["cpu"], }, memory: &resourceMetric{ resourceType: "memory", request: req["memory"], limit: limit["memory"], }, containerMetrics: map[string]*containerMetric{}, } for _, container := range pod.Spec.Containers { pm.containerMetrics[container.Name] = &containerMetric{ name: container.Name, cpu: &resourceMetric{ resourceType: "cpu", request: container.Resources.Requests["cpu"], limit: container.Resources.Limits["cpu"], allocatable: nm.cpu.allocatable, }, memory: &resourceMetric{ resourceType: "memory", request: container.Resources.Requests["memory"], limit: container.Resources.Limits["memory"], allocatable: nm.memory.allocatable, }, } } if nm != nil { nm.podMetrics[key] = pm nm.podMetrics[key].cpu.allocatable = nm.cpu.allocatable nm.podMetrics[key].memory.allocatable = nm.memory.allocatable nm.cpu.request.Add(req["cpu"]) nm.cpu.limit.Add(limit["cpu"]) nm.memory.request.Add(req["memory"]) nm.memory.limit.Add(limit["memory"]) } for _, container := range podMetrics.Containers { cm := pm.containerMetrics[container.Name] if cm != nil { pm.containerMetrics[container.Name].cpu.utilization = container.Usage["cpu"] pm.cpu.utilization.Add(container.Usage["cpu"]) pm.containerMetrics[container.Name].memory.utilization = container.Usage["memory"] pm.memory.utilization.Add(container.Usage["memory"]) } } } func (cm *clusterMetric) addNodeMetric(nm *nodeMetric) { cm.cpu.addMetric(nm.cpu) cm.memory.addMetric(nm.memory) } func (cm *clusterMetric) getSortedNodeMetrics(sortBy string) []*nodeMetric { sortedNodeMetrics := make([]*nodeMetric, len(cm.nodeMetrics)) i := 0 for name := range cm.nodeMetrics { sortedNodeMetrics[i] = cm.nodeMetrics[name] i++ } sort.Slice(sortedNodeMetrics, func(i, j int) bool { m1 := sortedNodeMetrics[i] m2 := sortedNodeMetrics[j] switch sortBy { case "cpu.util": return m2.cpu.utilization.MilliValue() < m1.cpu.utilization.MilliValue() case "cpu.limit": return m2.cpu.limit.MilliValue() < m1.cpu.limit.MilliValue() case "cpu.request": return m2.cpu.request.MilliValue() < m1.cpu.request.MilliValue() case "mem.util": return m2.memory.utilization.Value() < m1.memory.utilization.Value() case "mem.limit": return m2.memory.limit.Value() < m1.memory.limit.Value() case "mem.request": return m2.memory.request.Value() < m1.memory.request.Value() case "cpu.util.percentage": return m2.cpu.percent(m2.cpu.utilization) < m1.cpu.percent(m1.cpu.utilization) case "cpu.limit.percentage": return m2.cpu.percent(m2.cpu.limit) < m1.cpu.percent(m1.cpu.limit) case "cpu.request.percentage": return m2.cpu.percent(m2.cpu.request) < m1.cpu.percent(m1.cpu.request) case "mem.util.percentage": return m2.memory.percent(m2.memory.utilization) < m1.memory.percent(m1.memory.utilization) case "mem.limit.percentage": return m2.memory.percent(m2.memory.limit) < m1.memory.percent(m1.memory.limit) case "mem.request.percentage": return m2.memory.percent(m2.memory.request) < m1.memory.percent(m1.memory.request) default: return m1.name < m2.name } }) return sortedNodeMetrics } func (nm *nodeMetric) getSortedPodMetrics(sortBy string) []*podMetric { sortedPodMetrics := make([]*podMetric, len(nm.podMetrics)) i := 0 for name := range nm.podMetrics { sortedPodMetrics[i] = nm.podMetrics[name] i++ } sort.Slice(sortedPodMetrics, func(i, j int) bool { m1 := sortedPodMetrics[i] m2 := sortedPodMetrics[j] switch sortBy { case "cpu.util": return m2.cpu.utilization.MilliValue() < m1.cpu.utilization.MilliValue() case "cpu.limit": return m2.cpu.limit.MilliValue() < m1.cpu.limit.MilliValue() case "cpu.request": return m2.cpu.request.MilliValue() < m1.cpu.request.MilliValue() case "mem.util": return m2.memory.utilization.Value() < m1.memory.utilization.Value() case "mem.limit": return m2.memory.limit.Value() < m1.memory.limit.Value() case "mem.request": return m2.memory.request.Value() < m1.memory.request.Value() case "cpu.util.percentage": return m2.cpu.percent(m2.cpu.utilization) < m1.cpu.percent(m1.cpu.utilization) case "cpu.limit.percentage": return m2.cpu.percent(m2.cpu.limit) < m1.cpu.percent(m1.cpu.limit) case "cpu.request.percentage": return m2.cpu.percent(m2.cpu.request) < m1.cpu.percent(m1.cpu.request) case "mem.util.percentage": return m2.memory.percent(m2.memory.utilization) < m1.memory.percent(m1.memory.utilization) case "mem.limit.percentage": return m2.memory.percent(m2.memory.limit) < m1.memory.percent(m1.memory.limit) case "mem.request.percentage": return m2.memory.percent(m2.memory.request) < m1.memory.percent(m1.memory.request) default: return m1.name < m2.name } }) return sortedPodMetrics } func (nm *nodeMetric) addPodUtilization() { for _, pm := range nm.podMetrics { nm.cpu.utilization.Add(pm.cpu.utilization) nm.memory.utilization.Add(pm.memory.utilization) } } func (pm *podMetric) getSortedContainerMetrics(sortBy string) []*containerMetric { sortedContainerMetrics := make([]*containerMetric, len(pm.containerMetrics)) i := 0 for name := range pm.containerMetrics { sortedContainerMetrics[i] = pm.containerMetrics[name] i++ } sort.Slice(sortedContainerMetrics, func(i, j int) bool { m1 := sortedContainerMetrics[i] m2 := sortedContainerMetrics[j] switch sortBy { case "cpu.util": return m2.cpu.utilization.MilliValue() < m1.cpu.utilization.MilliValue() case "cpu.limit": return m2.cpu.limit.MilliValue() < m1.cpu.limit.MilliValue() case "cpu.request": return m2.cpu.request.MilliValue() < m1.cpu.request.MilliValue() case "mem.util": return m2.memory.utilization.Value() < m1.memory.utilization.Value() case "mem.limit": return m2.memory.limit.Value() < m1.memory.limit.Value() case "mem.request": return m2.memory.request.Value() < m1.memory.request.Value() default: return m1.name < m2.name } }) return sortedContainerMetrics } func (rm *resourceMetric) requestString(availableFormat bool) string { return resourceString(rm.resourceType, rm.request, rm.allocatable, availableFormat) } func (rm *resourceMetric) limitString(availableFormat bool) string { return resourceString(rm.resourceType, rm.limit, rm.allocatable, availableFormat) } func (rm *resourceMetric) utilString(availableFormat bool) string { return resourceString(rm.resourceType, rm.utilization, rm.allocatable, availableFormat) } // podCountString returns the string representation of podCount struct, example: "15/110" func (pc *podCount) podCountString() string { return fmt.Sprintf("%d/%d", pc.current, pc.allocatable) } func resourceString(resourceType string, actual, allocatable resource.Quantity, availableFormat bool) string { utilPercent := float64(0) if allocatable.MilliValue() > 0 { utilPercent = float64(actual.MilliValue()) / float64(allocatable.MilliValue()) * 100 } var actualStr, allocatableStr string if availableFormat { switch resourceType { case "cpu": actualStr = fmt.Sprintf("%dm", allocatable.MilliValue()-actual.MilliValue()) allocatableStr = fmt.Sprintf("%dm", allocatable.MilliValue()) case "memory": actualStr = fmt.Sprintf("%dMi", formatToMegiBytes(allocatable)-formatToMegiBytes(actual)) allocatableStr = fmt.Sprintf("%dMi", formatToMegiBytes(allocatable)) default: actualStr = fmt.Sprintf("%d", allocatable.Value()-actual.Value()) allocatableStr = fmt.Sprintf("%d", allocatable.Value()) } return fmt.Sprintf("%s/%s", actualStr, allocatableStr) } switch resourceType { case "cpu": actualStr = fmt.Sprintf("%dm", actual.MilliValue()) case "memory": actualStr = fmt.Sprintf("%dMi", formatToMegiBytes(actual)) default: actualStr = fmt.Sprintf("%d", actual.Value()) } return fmt.Sprintf("%s (%d%%%%)", actualStr, int64(utilPercent)) } func formatToMegiBytes(actual resource.Quantity) int64 { value := actual.Value() / Mebibyte if actual.Value()%Mebibyte != 0 { value++ } return value } // NOTE: This might not be a great place for closures due to the cyclical nature of how resourceType works. Perhaps better implemented another way. func (rm resourceMetric) valueFunction() (f func(r resource.Quantity) string) { switch rm.resourceType { case "cpu": f = func(r resource.Quantity) string { return fmt.Sprintf("%dm", r.MilliValue()) } case "memory": f = func(r resource.Quantity) string { return fmt.Sprintf("%dMi", formatToMegiBytes(r)) } } return f } // NOTE: This might not be a great place for closures due to the cyclical nature of how resourceType works. Perhaps better implemented another way. func (rm resourceMetric) percentFunction() (f func(r resource.Quantity) string) { f = func(r resource.Quantity) string { return fmt.Sprintf("%v%%", rm.percent(r)) } return f } func (rm resourceMetric) percent(r resource.Quantity) int64 { return int64(float64(r.MilliValue()) / float64(rm.allocatable.MilliValue()) * 100) } // For CSV / TSV formatting Helper Functions // ----------------------------------------- func resourceCSVString(resourceType string, actual resource.Quantity) string { if resourceType == "memory" { return fmt.Sprintf("%d", formatToMegiBytes(actual)) } return fmt.Sprintf("%d", actual.MilliValue()) } func resourceCSVPercentageString(actual, divisor resource.Quantity) string { utilPercent := float64(0) if divisor.MilliValue() > 0 { utilPercent = float64(actual.MilliValue()) / float64(divisor.MilliValue()) * 100 } return fmt.Sprintf("%d", int64(utilPercent)) } func (rm *resourceMetric) capacityString() string { return resourceCSVString(rm.resourceType, rm.allocatable) } func (rm *resourceMetric) requestActualString() string { return resourceCSVString(rm.resourceType, rm.request) } func (rm *resourceMetric) requestPercentageString() string { return resourceCSVPercentageString(rm.request, rm.allocatable) } func (rm *resourceMetric) limitActualString() string { return resourceCSVString(rm.resourceType, rm.limit) } func (rm *resourceMetric) limitPercentageString() string { return resourceCSVPercentageString(rm.limit, rm.allocatable) } func (rm *resourceMetric) utilActualString() string { return resourceCSVString(rm.resourceType, rm.utilization) } func (rm *resourceMetric) utilPercentageString() string { return resourceCSVPercentageString(rm.utilization, rm.allocatable) } func (pc *podCount) podCountCurrentString() string { return fmt.Sprintf("%d", pc.current) } func (pc *podCount) podCountAllocatableString() string { return fmt.Sprintf("%d", pc.allocatable) } 0707010000001B000081A400000000000000000000000165D57E03000017EF000000000000000000000000000000000000003300000000kube-capacity-0.8.0/pkg/capacity/resources_test.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package capacity import ( "fmt" "testing" "github.com/stretchr/testify/assert" corev1 "k8s.io/api/core/v1" "k8s.io/apimachinery/pkg/api/resource" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" v1beta1 "k8s.io/metrics/pkg/apis/metrics/v1beta1" ) func TestBuildClusterMetricEmpty(t *testing.T) { cm := buildClusterMetric( &corev1.PodList{}, &v1beta1.PodMetricsList{}, &corev1.NodeList{}, &v1beta1.NodeMetricsList{}, ) expected := clusterMetric{ cpu: &resourceMetric{ resourceType: "cpu", allocatable: resource.Quantity{}, request: resource.Quantity{}, limit: resource.Quantity{}, utilization: resource.Quantity{}, }, memory: &resourceMetric{ resourceType: "memory", allocatable: resource.Quantity{}, request: resource.Quantity{}, limit: resource.Quantity{}, utilization: resource.Quantity{}, }, nodeMetrics: map[string]*nodeMetric{}, podCount: &podCount{}, } assert.EqualValues(t, cm, expected) } func TestBuildClusterMetricFull(t *testing.T) { cm := buildClusterMetric( &corev1.PodList{ Items: []corev1.Pod{ { ObjectMeta: metav1.ObjectMeta{ Name: "example-pod", Namespace: "default", }, Spec: corev1.PodSpec{ NodeName: "example-node-1", Containers: []corev1.Container{ { Resources: corev1.ResourceRequirements{ Requests: corev1.ResourceList{ "cpu": resource.MustParse("250m"), "memory": resource.MustParse("250Mi"), }, Limits: corev1.ResourceList{ "cpu": resource.MustParse("250m"), "memory": resource.MustParse("500Mi"), }, }, }, { Resources: corev1.ResourceRequirements{ Requests: corev1.ResourceList{ "cpu": resource.MustParse("100m"), "memory": resource.MustParse("150Mi"), }, Limits: corev1.ResourceList{ "cpu": resource.MustParse("150m"), "memory": resource.MustParse("200Mi"), }, }, }, }, }, }, }, }, &v1beta1.PodMetricsList{ Items: []v1beta1.PodMetrics{ { ObjectMeta: metav1.ObjectMeta{ Name: "example-pod", Namespace: "default", }, Containers: []v1beta1.ContainerMetrics{ { Usage: corev1.ResourceList{ "cpu": resource.MustParse("10m"), "memory": resource.MustParse("188Mi"), }, }, { Usage: corev1.ResourceList{ "cpu": resource.MustParse("13m"), "memory": resource.MustParse("111Mi"), }, }, }, }, }, }, &corev1.NodeList{ Items: []corev1.Node{ { ObjectMeta: metav1.ObjectMeta{ Name: "example-node-1", }, Status: corev1.NodeStatus{ Allocatable: corev1.ResourceList{ "cpu": resource.MustParse("1000m"), "memory": resource.MustParse("4000Mi"), }, }, }, }, }, &v1beta1.NodeMetricsList{ Items: []v1beta1.NodeMetrics{ { ObjectMeta: metav1.ObjectMeta{ Name: "example-node-1", }, Usage: corev1.ResourceList{ "cpu": resource.MustParse("43m"), "memory": resource.MustParse("349Mi"), }, }, }, }, ) cpuExpected := &resourceMetric{ allocatable: resource.MustParse("1000m"), request: resource.MustParse("350m"), limit: resource.MustParse("400m"), utilization: resource.MustParse("43m"), } memoryExpected := &resourceMetric{ allocatable: resource.MustParse("4000Mi"), request: resource.MustParse("400Mi"), limit: resource.MustParse("700Mi"), utilization: resource.MustParse("349Mi"), } assert.NotNil(t, cm.cpu) ensureEqualResourceMetric(t, cm.cpu, cpuExpected) assert.NotNil(t, cm.memory) ensureEqualResourceMetric(t, cm.memory, memoryExpected) assert.NotNil(t, cm.nodeMetrics["example-node-1"]) assert.NotNil(t, cm.nodeMetrics["example-node-1"].cpu) ensureEqualResourceMetric(t, cm.nodeMetrics["example-node-1"].cpu, cpuExpected) assert.NotNil(t, cm.nodeMetrics["example-node-1"].memory) ensureEqualResourceMetric(t, cm.nodeMetrics["example-node-1"].memory, memoryExpected) assert.Len(t, cm.nodeMetrics["example-node-1"].podMetrics, 1) pm := cm.nodeMetrics["example-node-1"].podMetrics // Change to pod specific util numbers cpuExpected.utilization = resource.MustParse("23m") memoryExpected.utilization = resource.MustParse("299Mi") assert.NotNil(t, pm["default-example-pod"]) assert.NotNil(t, pm["default-example-pod"].cpu) ensureEqualResourceMetric(t, pm["default-example-pod"].cpu, cpuExpected) assert.NotNil(t, pm["default-example-pod"].memory) ensureEqualResourceMetric(t, pm["default-example-pod"].memory, memoryExpected) } func ensureEqualResourceMetric(t *testing.T, actual *resourceMetric, expected *resourceMetric) { assert.Equal(t, actual.allocatable.MilliValue(), expected.allocatable.MilliValue()) assert.Equal(t, actual.utilization.MilliValue(), expected.utilization.MilliValue()) assert.Equal(t, actual.request.MilliValue(), expected.request.MilliValue()) assert.Equal(t, actual.limit.MilliValue(), expected.limit.MilliValue()) } func listNodes(n *corev1.NodeList) []string { nodes := []string{} for _, node := range n.Items { nodes = append(nodes, node.GetName()) } return nodes } func listPods(p *corev1.PodList) []string { pods := []string{} for _, pod := range p.Items { pods = append(pods, fmt.Sprintf("%s/%s", pod.GetNamespace(), pod.GetName())) } return pods } 0707010000001C000081A400000000000000000000000165D57E030000167B000000000000000000000000000000000000002A00000000kube-capacity-0.8.0/pkg/capacity/table.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package capacity import ( "fmt" "os" "strings" "text/tabwriter" ) type tablePrinter struct { cm *clusterMetric showPods bool showUtil bool showPodCount bool showContainers bool showNamespace bool sortBy string w *tabwriter.Writer availableFormat bool } type tableLine struct { node string namespace string pod string container string cpuRequests string cpuLimits string cpuUtil string memoryRequests string memoryLimits string memoryUtil string podCount string } var headerStrings = tableLine{ node: "NODE", namespace: "NAMESPACE", pod: "POD", container: "CONTAINER", cpuRequests: "CPU REQUESTS", cpuLimits: "CPU LIMITS", cpuUtil: "CPU UTIL", memoryRequests: "MEMORY REQUESTS", memoryLimits: "MEMORY LIMITS", memoryUtil: "MEMORY UTIL", podCount: "POD COUNT", } func (tp *tablePrinter) Print() { tp.w.Init(os.Stdout, 0, 8, 2, ' ', 0) sortedNodeMetrics := tp.cm.getSortedNodeMetrics(tp.sortBy) tp.printLine(&headerStrings) if len(sortedNodeMetrics) > 1 { tp.printClusterLine() } for _, nm := range sortedNodeMetrics { if tp.showPods || tp.showContainers { tp.printLine(&tableLine{}) } tp.printNodeLine(nm.name, nm) if tp.showPods || tp.showContainers { podMetrics := nm.getSortedPodMetrics(tp.sortBy) for _, pm := range podMetrics { tp.printPodLine(nm.name, pm) if tp.showContainers { containerMetrics := pm.getSortedContainerMetrics(tp.sortBy) for _, containerMetric := range containerMetrics { tp.printContainerLine(nm.name, pm, containerMetric) } } } } } err := tp.w.Flush() if err != nil { fmt.Printf("Error writing to table: %s", err) } } func (tp *tablePrinter) printLine(tl *tableLine) { lineItems := tp.getLineItems(tl) fmt.Fprintf(tp.w, strings.Join(lineItems[:], "\t ")+"\n") } func (tp *tablePrinter) getLineItems(tl *tableLine) []string { lineItems := []string{tl.node} if tp.showContainers || tp.showPods { if tp.showNamespace { lineItems = append(lineItems, tl.namespace) } lineItems = append(lineItems, tl.pod) } if tp.showContainers { lineItems = append(lineItems, tl.container) } lineItems = append(lineItems, tl.cpuRequests) lineItems = append(lineItems, tl.cpuLimits) if tp.showUtil { lineItems = append(lineItems, tl.cpuUtil) } lineItems = append(lineItems, tl.memoryRequests) lineItems = append(lineItems, tl.memoryLimits) if tp.showUtil { lineItems = append(lineItems, tl.memoryUtil) } if tp.showPodCount { lineItems = append(lineItems, tl.podCount) } return lineItems } func (tp *tablePrinter) printClusterLine() { tp.printLine(&tableLine{ node: VoidValue, namespace: VoidValue, pod: VoidValue, container: VoidValue, cpuRequests: tp.cm.cpu.requestString(tp.availableFormat), cpuLimits: tp.cm.cpu.limitString(tp.availableFormat), cpuUtil: tp.cm.cpu.utilString(tp.availableFormat), memoryRequests: tp.cm.memory.requestString(tp.availableFormat), memoryLimits: tp.cm.memory.limitString(tp.availableFormat), memoryUtil: tp.cm.memory.utilString(tp.availableFormat), podCount: tp.cm.podCount.podCountString(), }) } func (tp *tablePrinter) printNodeLine(nodeName string, nm *nodeMetric) { tp.printLine(&tableLine{ node: nodeName, namespace: VoidValue, pod: VoidValue, container: VoidValue, cpuRequests: nm.cpu.requestString(tp.availableFormat), cpuLimits: nm.cpu.limitString(tp.availableFormat), cpuUtil: nm.cpu.utilString(tp.availableFormat), memoryRequests: nm.memory.requestString(tp.availableFormat), memoryLimits: nm.memory.limitString(tp.availableFormat), memoryUtil: nm.memory.utilString(tp.availableFormat), podCount: nm.podCount.podCountString(), }) } func (tp *tablePrinter) printPodLine(nodeName string, pm *podMetric) { tp.printLine(&tableLine{ node: nodeName, namespace: pm.namespace, pod: pm.name, container: VoidValue, cpuRequests: pm.cpu.requestString(tp.availableFormat), cpuLimits: pm.cpu.limitString(tp.availableFormat), cpuUtil: pm.cpu.utilString(tp.availableFormat), memoryRequests: pm.memory.requestString(tp.availableFormat), memoryLimits: pm.memory.limitString(tp.availableFormat), memoryUtil: pm.memory.utilString(tp.availableFormat), }) } func (tp *tablePrinter) printContainerLine(nodeName string, pm *podMetric, cm *containerMetric) { tp.printLine(&tableLine{ node: nodeName, namespace: pm.namespace, pod: pm.name, container: cm.name, cpuRequests: cm.cpu.requestString(tp.availableFormat), cpuLimits: cm.cpu.limitString(tp.availableFormat), cpuUtil: cm.cpu.utilString(tp.availableFormat), memoryRequests: cm.memory.requestString(tp.availableFormat), memoryLimits: cm.memory.limitString(tp.availableFormat), memoryUtil: cm.memory.utilString(tp.availableFormat), }) } 0707010000001D000081A400000000000000000000000165D57E03000009C5000000000000000000000000000000000000002F00000000kube-capacity-0.8.0/pkg/capacity/table_test.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package capacity import ( "testing" "github.com/stretchr/testify/assert" ) func TestGetLineItems(t *testing.T) { tpNone := &tablePrinter{ showPods: false, showUtil: false, showPodCount: false, showContainers: false, showNamespace: false, } tpSome := &tablePrinter{ showPods: false, showUtil: false, showPodCount: false, showContainers: true, showNamespace: true, } tpAll := &tablePrinter{ showPods: true, showUtil: true, showContainers: true, showNamespace: true, showPodCount: true, } tl := &tableLine{ node: "example-node-1", namespace: "example-namespace", pod: "nginx-fsde", container: "nginx", cpuRequests: "100m", cpuLimits: "200m", cpuUtil: "14m", memoryRequests: "1000Mi", memoryLimits: "2000Mi", memoryUtil: "326Mi", podCount: "1/110", } var testCases = []struct { name string tp *tablePrinter tl *tableLine expected []string }{ { name: "all false", tp: tpNone, tl: tl, expected: []string{ "example-node-1", "100m", "200m", "1000Mi", "2000Mi", }, }, { name: "some true", tp: tpSome, tl: tl, expected: []string{ "example-node-1", "example-namespace", "nginx-fsde", "nginx", "100m", "200m", "1000Mi", "2000Mi", }, }, { name: "all true", tp: tpAll, tl: tl, expected: []string{ "example-node-1", "example-namespace", "nginx-fsde", "nginx", "100m", "200m", "14m", "1000Mi", "2000Mi", "326Mi", "1/110", }, }, } for _, tc := range testCases { t.Run(tc.name, func(t *testing.T) { lineItems := tc.tp.getLineItems(tl) assert.ElementsMatchf(t, lineItems, tc.expected, "Expected: %+v\nGot: %+v", tc.expected, lineItems) }) } } 0707010000001E000041ED00000000000000000000000265D57E0300000000000000000000000000000000000000000000001C00000000kube-capacity-0.8.0/pkg/cmd0707010000001F000081A400000000000000000000000165D57E0300000F70000000000000000000000000000000000000002400000000kube-capacity-0.8.0/pkg/cmd/root.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package cmd import ( "fmt" "os" "github.com/robscott/kube-capacity/pkg/capacity" "github.com/spf13/cobra" ) var opts capacity.Options var rootCmd = &cobra.Command{ Use: "kube-capacity", Short: "kube-capacity provides an overview of the resource requests, limits, and utilization in a Kubernetes cluster.", Long: "kube-capacity provides an overview of the resource requests, limits, and utilization in a Kubernetes cluster.", Run: func(cmd *cobra.Command, args []string) { if err := cmd.ParseFlags(args); err != nil { fmt.Printf("Error parsing flags: %v", err) } if err := validateOutputType(opts.OutputFormat); err != nil { fmt.Println(err) os.Exit(1) } capacity.FetchAndPrint(opts) }, } func init() { rootCmd.PersistentFlags().BoolVarP(&opts.ShowContainers, "containers", "c", false, "includes containers in output") rootCmd.PersistentFlags().BoolVarP(&opts.ShowPods, "pods", "p", false, "includes pods in output") rootCmd.PersistentFlags().BoolVarP(&opts.ShowUtil, "util", "u", false, "includes resource utilization in output") rootCmd.PersistentFlags().BoolVarP(&opts.ShowPodCount, "pod-count", "", false, "includes pod count per node in output") rootCmd.PersistentFlags().BoolVarP(&opts.AvailableFormat, "available", "a", false, "includes quantity available instead of percentage used") rootCmd.PersistentFlags().StringVarP(&opts.PodLabels, "pod-labels", "l", "", "labels to filter pods with") rootCmd.PersistentFlags().StringVarP(&opts.NodeLabels, "node-labels", "", "", "labels to filter nodes with") rootCmd.PersistentFlags().BoolVarP(&opts.ExcludeTainted, "no-taint", "", false, "exclude nodes with taints") rootCmd.PersistentFlags().StringVarP(&opts.NodeTaints, "node-taints", "t", "", "comma seperated list of taints to filter nodes with, prefix taint with '!' to filter out") rootCmd.PersistentFlags().StringVarP(&opts.NamespaceLabels, "namespace-labels", "", "", "labels to filter namespaces with") rootCmd.PersistentFlags().StringVarP(&opts.Namespace, "namespace", "n", "", "only include pods from this namespace") rootCmd.PersistentFlags().StringVarP(&opts.KubeContext, "context", "", "", "context to use for Kubernetes config") rootCmd.PersistentFlags().StringVarP(&opts.KubeConfig, "kubeconfig", "", "", "kubeconfig file to use for Kubernetes config") rootCmd.PersistentFlags().StringVarP(&opts.SortBy, "sort", "", "name", fmt.Sprintf("attribute to sort results by (supports: %v)", capacity.SupportedSortAttributes)) rootCmd.PersistentFlags().StringVarP(&opts.OutputFormat, "output", "o", capacity.TableOutput, fmt.Sprintf("output format for information (supports: %v)", capacity.SupportedOutputs())) rootCmd.PersistentFlags().StringVarP(&opts.ImpersonateUser, "as", "", "", "user to impersonate kube-capacity with") rootCmd.PersistentFlags().StringVarP(&opts.ImpersonateGroup, "as-group", "", "", "group to impersonate kube-capacity with") } // Execute is the primary entrypoint for this CLI func Execute() { if err := rootCmd.Execute(); err != nil { fmt.Println(err) os.Exit(1) } } func validateOutputType(outputType string) error { for _, format := range capacity.SupportedOutputs() { if format == outputType { return nil } } return fmt.Errorf("Unsupported Output Type. We only support: %v", capacity.SupportedOutputs()) } 07070100000020000081A400000000000000000000000165D57E0300000390000000000000000000000000000000000000002700000000kube-capacity-0.8.0/pkg/cmd/version.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package cmd import ( "fmt" "github.com/spf13/cobra" ) func init() { rootCmd.AddCommand(versionCmd) } var versionCmd = &cobra.Command{ Use: "version", Short: "Print the version number of kube-capacity", Run: func(cmd *cobra.Command, args []string) { fmt.Println("kube-capacity version v0.7.4") }, } 07070100000021000041ED00000000000000000000000265D57E0300000000000000000000000000000000000000000000001D00000000kube-capacity-0.8.0/pkg/kube07070100000022000081A400000000000000000000000165D57E0300000843000000000000000000000000000000000000002A00000000kube-capacity-0.8.0/pkg/kube/clientset.go// Copyright 2019 Kube Capacity Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package kube import ( "k8s.io/client-go/kubernetes" "k8s.io/client-go/rest" "k8s.io/client-go/tools/clientcmd" metrics "k8s.io/metrics/pkg/client/clientset/versioned" // Required for GKE, OIDC, and more _ "k8s.io/client-go/plugin/pkg/client/auth" ) // NewClientSet returns a new Kubernetes clientset func NewClientSet(kubeContext, kubeConfig string, impersonateUser string, impersonateGroup string) (*kubernetes.Clientset, error) { config, err := getKubeConfig(kubeContext, kubeConfig) if err != nil { return nil, err } if impersonateUser != "" || impersonateGroup != "" { config.Impersonate = rest.ImpersonationConfig{} if impersonateUser != "" { config.Impersonate.UserName = impersonateUser } if impersonateGroup != "" { config.Impersonate.Groups = []string{impersonateGroup} } } return kubernetes.NewForConfig(config) } // NewMetricsClientSet returns a new clientset for Kubernetes metrics func NewMetricsClientSet(kubeContext, kubeConfig string) (*metrics.Clientset, error) { config, err := getKubeConfig(kubeContext, kubeConfig) if err != nil { return nil, err } return metrics.NewForConfig(config) } func getKubeConfig(kubeContext, kubeConfig string) (*rest.Config, error) { loadingRules := clientcmd.NewDefaultClientConfigLoadingRules() if kubeConfig != "" { loadingRules.ExplicitPath = kubeConfig } return clientcmd.NewNonInteractiveDeferredLoadingClientConfig( loadingRules, &clientcmd.ConfigOverrides{CurrentContext: kubeContext}, ).ClientConfig() } 07070100000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000B00000000TRAILER!!!255 blocks
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