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kubetrim
kubetrim-0.0.1.obscpio
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File kubetrim-0.0.1.obscpio of Package kubetrim
07070100000000000081A400000000000000000000000166F40CDC0000058C000000000000000000000000000000000000001A00000000kubetrim-0.0.1/.DEREK.ymlcurators: - alexellis features: - dco_check - comments - pr_description_required - release_notes custom_messages: - name: template value: | This project uses Issue and PR templates and requires that all users fill out the template in detail before help can be given. To continue please edit your Issue/PR or open a new one, and please provide all the fields requested. Thank you for your contribution. - name: propose value: | This project follows a contributing guide which states that all changes must be proposed with an Issue before being worked on. Please raise an Issue and update your Pull Request to include the ID or link as part of the description. Thank you for your contribution. - name: test value: | This project follows a contributing guide which requires that all changes are tested before being merged. You should include worked examples that a maintainer can run to prove that the changes are good. Screenshots and command line output are also accepted, but must show the positive, and negative cases, not just that what was added worked as you expected. Thank you for your contribution. contributing_url: https://github.com/alexellis/arkade/blob/master/CONTRIBUTING.md 07070100000001000041ED00000000000000000000000266F40CDC00000000000000000000000000000000000000000000001700000000kubetrim-0.0.1/.github07070100000002000041ED00000000000000000000000266F40CDC00000000000000000000000000000000000000000000002100000000kubetrim-0.0.1/.github/workflows07070100000003000081A400000000000000000000000166F40CDC000001C4000000000000000000000000000000000000002B00000000kubetrim-0.0.1/.github/workflows/build.ymlname: build on: push: branches: - '*' pull_request: branches: - '*' jobs: build: concurrency: group: ${{ github.ref }} cancel-in-progress: true runs-on: ubuntu-latest steps: - uses: actions/checkout@master with: fetch-depth: 1 - name: Install Go uses: actions/setup-go@master with: go-version: 1.22.x - name: Make all run: make all 07070100000004000081A400000000000000000000000166F40CDC000002B4000000000000000000000000000000000000002D00000000kubetrim-0.0.1/.github/workflows/publish.ymlname: publish on: push: tags: - '*' permissions: contents: write checks: write actions: read issues: read packages: write pull-requests: read repository-projects: read statuses: read jobs: publish: runs-on: ubuntu-latest steps: - uses: actions/checkout@master with: fetch-depth: 1 - name: Install Go uses: actions/setup-go@master with: go-version: 1.22.x - name: Make all run: make all - name: Upload release binaries uses: alexellis/upload-assets@0.4.1 env: GITHUB_TOKEN: ${{ github.token }} with: asset_paths: '["./uploads/*"]' 07070100000005000081A400000000000000000000000166F40CDC00000012000000000000000000000000000000000000001A00000000kubetrim-0.0.1/.gitignore/kubetrim /bin/** 07070100000006000081A400000000000000000000000166F40CDC00000435000000000000000000000000000000000000001700000000kubetrim-0.0.1/LICENSECopyright (c) 2024 Alex Ellis, OpenFaaS Ltd Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 07070100000007000081A400000000000000000000000166F40CDC000004F9000000000000000000000000000000000000001800000000kubetrim-0.0.1/MakefileVersion := $(shell git describe --tags --dirty) GitCommit := $(shell git rev-parse HEAD) LDFLAGS := "-s -w -X github.com/alexellis/kubetrim/pkg.Version=$(Version) -X github.com/alexellis/kubetrim/pkg.GitCommit=$(GitCommit)" SOURCE_DIRS = cmd pkg main.go export GO111MODULE=on .PHONY: all all: gofmt test build dist compress hash .PHONY: build build: go build .PHONY: gofmt gofmt: @test -z $(shell gofmt -l -s $(SOURCE_DIRS) ./ |grep -v vendor/| tee /dev/stderr) || (echo "[WARN] Fix formatting issues with 'make gofmt'" && exit 1) .PHONY: test test: CGO_ENABLED=0 go test $(shell go list ./... | grep -v /vendor/|xargs echo) -cover .PHONY: dist dist: mkdir -p bin/ mkdir -p uploads/ rm -rf bin/kubetrim* CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags $(LDFLAGS) -o bin/kubetrim CGO_ENABLED=0 GOOS=darwin go build -ldflags $(LDFLAGS) -o bin/kubetrim-darwin CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build -a -ldflags $(LDFLAGS) -o bin/kubetrim-darwin-arm64 CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags $(LDFLAGS) -o bin/kubetrim-arm64 CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -ldflags $(LDFLAGS) -o bin/kubetrim.exe .PHONY: hash hash: rm -rf uploads/*.sha256 && ./hack/hashgen.sh .PHONY: compress compress: ./hack/compress.sh07070100000008000081A400000000000000000000000166F40CDC00000F69000000000000000000000000000000000000001900000000kubetrim-0.0.1/README.mdkubetrim 📏 ==================================================== Trim 📏 your KUBECONFIG automatically. [](https://github.com/sponsors/alexellis) [](https://github.com/alexellis/kubetrim/actions/workflows/build.yml) [](https://opensource.org/licenses/MIT)  kubetrim tidies up old and broken cluster and context entries from your kubeconfig file. It works like this: 1) Loads the config specified by KUBECONFIG 2) Tries to connect to each 3) Writes a new file with only the ones that it could access Q&A: * What if I like doing things the long way? You can combine `kubectl config get-clusters` with `kubectl config use-context` and `kubectl get nodes`, followed by `kubectl config delete-cluster` and `kubectl config delete-context` for each. `kubectx -d` will remove a context, but leaves the cluster in your kubeconfig file, so requires additional steps. * Doesn't [my favourite tool] have an option to do this? Feel free to use your favourite tool instead. kubetrim is a memorable name, and a simple tool that just does one job, similar to `kubectx` * What if I want to keep a cluster that is unreachable? You can add each context name to the keep file at `~/.local/kubetrim/keep.txt`. You can also use comments in this file by prefixing the comment with `# Needs work VPN etc` * What if my cluster is valid, but kubetrim cannot detect it? Open an issue, and we can look at adding support for your use-case. * `kubetrim` is great, how can I support you? Have a look at [arkade](https://github.com/alexellis/arkade) and [k3sup](https://github.com/alexellis/k3sup), you may like those too. You can also [sponsor me via GitHub](https://github.com/sponsors/alexellis). * How can I run kubetrim daily? Create a crontab with the following expression: `0 0 * * * kubetrim` * Can I run kubetrim every time I open a terminal? Yes, you can add `kubetrim &` to your `.bashrc`, `.bash_profile` or `.zshrc` file, which will run in the background, and not slow down your terminal session from starting up. * What if my WiFi is down and I run this tool? If all clusters show as unavailable, kubetrim will not delete any clusters, in this case add `--force` to the command. ## Usage ```bash $ kubectx default do-lon1-openfaas-cluster kind-2 kind-ingress $ kubetrim kubetrim (dev) by Alex Ellis Loaded: /home/alex/.kube/config. Checking.. - kind-2: ✅ - kind-ingress: ❌ - (failed to connect to cluster: Get "https://127.0.0.1:40349/api/v1/nodes": dial tcp 127.0.0.1:40349: connect: connection refused) - default: ✅ - do-lon1-openfaas-cluster: ❌ - (failed to connect to cluster: Get "https://da39a3ee5e6b4b0d3255bfef95601890afd80709.k8s.ondigitalocean.co.uk/api/v1/nodes": dial tcp: lookup da39a3ee5e6b4b0d3255bfef95601890afd80709.k8s.ondigitalocean.co.uk on 127.0.0.53:53: no such host) Updated: /home/alex/.kube/config (in 364ms). $ kubectx default kind-2 ``` Try out kubetrim without writing changes to the kubeconfig file: ```bash $ kubetrim --write=false ``` Use a different kubeconfig file: ```bash $ KUBECONFIG=$HOME/.kube/config.bak kubetrim ``` What if the Internet is unavailable, and all clusters report as unavailable? ```bash # Take down WiFi/Ethernet $ kubetrim No contexts are working, the Internet may be down, use --force to delete all contexts anyway. # Force the deletion, even if all clusters are unavailable. $ kubetrim --force ``` ## Installation Getting `kubetrim` with arkade: ```bash curl -sfLS https://get.arkade.dev | sh arkade get kubetrim ``` ## License MIT license 07070100000009000081A400000000000000000000000166F40CDC000007E7000000000000000000000000000000000000001600000000kubetrim-0.0.1/go.modmodule github.com/alexellis/kubetrim go 1.22.0 require ( k8s.io/apimachinery v0.31.0 k8s.io/client-go v0.31.0 ) require ( github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect github.com/emicklei/go-restful/v3 v3.11.0 // indirect github.com/fxamacker/cbor/v2 v2.7.0 // indirect github.com/go-logr/logr v1.4.2 // indirect github.com/go-openapi/jsonpointer v0.19.6 // indirect github.com/go-openapi/jsonreference v0.20.2 // indirect github.com/go-openapi/swag v0.22.4 // indirect github.com/gogo/protobuf v1.3.2 // indirect github.com/golang/protobuf v1.5.4 // indirect github.com/google/gnostic-models v0.6.8 // indirect github.com/google/go-cmp v0.6.0 // indirect github.com/google/gofuzz v1.2.0 // indirect github.com/google/uuid v1.6.0 // indirect github.com/imdario/mergo v0.3.6 // 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/spf13/pflag v1.0.5 // indirect github.com/x448/float16 v0.8.4 // indirect golang.org/x/net v0.26.0 // indirect golang.org/x/oauth2 v0.21.0 // indirect golang.org/x/sys v0.21.0 // indirect golang.org/x/term v0.21.0 // indirect golang.org/x/text v0.16.0 // indirect golang.org/x/time v0.3.0 // indirect google.golang.org/protobuf v1.34.2 // 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/api v0.31.0 // indirect k8s.io/klog/v2 v2.130.1 // indirect k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 // indirect sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect sigs.k8s.io/yaml v1.4.0 // indirect ) 0707010000000A000081A400000000000000000000000166F40CDC00002F71000000000000000000000000000000000000001600000000kubetrim-0.0.1/go.sumgithub.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM= github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/emicklei/go-restful/v3 v3.11.0 h1:rAQeMHw1c7zTmncogyy8VvRZwtkmkZ4FxERmMY4rD+g= github.com/emicklei/go-restful/v3 v3.11.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc= github.com/fxamacker/cbor/v2 v2.7.0 h1:iM5WgngdRBanHcxugY4JySA0nk1wZorNOpTgCMedv5E= github.com/fxamacker/cbor/v2 v2.7.0/go.mod h1:pxXPTn3joSm21Gbwsv0w9OSA2y1HFR9qXEeXQVeNoDQ= github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY= github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= github.com/go-openapi/jsonpointer v0.19.6 h1:eCs3fxoIi3Wh6vtgmLTOjdhSpiqphQ+DaPn38N2ZdrE= github.com/go-openapi/jsonpointer v0.19.6/go.mod h1:osyAmYz/mB/C3I+WsTTSgw1ONzaLJoLCyoi6/zppojs= github.com/go-openapi/jsonreference v0.20.2 h1:3sVjiK66+uXK/6oQ8xgcRKcFgQ5KXa2KvnJRumpMGbE= github.com/go-openapi/jsonreference v0.20.2/go.mod h1:Bl1zwGIM8/wsvqjsOQLJ/SH+En5Ap4rVB5KVcIDZG2k= github.com/go-openapi/swag v0.22.3/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14= github.com/go-openapi/swag v0.22.4 h1:QLMzNJnMGPRNDCbySlcj1x01tzU8/9LTTL9hZZZogBU= github.com/go-openapi/swag v0.22.4/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14= 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 v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek= github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps= github.com/google/gnostic-models v0.6.8 h1:yo/ABAfM5IMRsS1VnXjTBvUb61tFIHozhlYvRgGre9I= github.com/google/gnostic-models v0.6.8/go.mod h1:5n7qKqH0f5wFt+aWF8CW6pZLLNOfYuF5OpfBSENuI8U= 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/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/imdario/mergo v0.3.6 h1:xTNEAn+kxVO7dTZGu0CegyqKZmoWFI0rF8UxjlB2d28= github.com/imdario/mergo v0.3.6/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA= 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 v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= 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= 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0707010000000B000041ED00000000000000000000000266F40CDC00000000000000000000000000000000000000000000001400000000kubetrim-0.0.1/hack0707010000000C000081ED00000000000000000000000166F40CDC0000004E000000000000000000000000000000000000002000000000kubetrim-0.0.1/hack/compress.sh#!/bin/sh cd bin for f in kubetrim*; do tar -cvzf ../uploads/$f.tgz $f; done0707010000000D000081ED00000000000000000000000166F40CDC00000059000000000000000000000000000000000000001F00000000kubetrim-0.0.1/hack/hashgen.sh#!/bin/sh cd bin for f in kubetrim*; do shasum -a 256 $f > ../uploads/$f.sha256; done 0707010000000E000081A400000000000000000000000166F40CDC00001724000000000000000000000000000000000000001700000000kubetrim-0.0.1/main.gopackage main import ( "context" "flag" "fmt" "os" "path/filepath" "strings" "time" "github.com/alexellis/kubetrim/pkg" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/client-go/kubernetes" _ "k8s.io/client-go/plugin/pkg/client/auth/azure" _ "k8s.io/client-go/plugin/pkg/client/auth/exec" _ "k8s.io/client-go/plugin/pkg/client/auth/gcp" // Import for GCP auth _ "k8s.io/client-go/plugin/pkg/client/auth/oidc" // Import for OIDC (often used with EKS) "k8s.io/client-go/tools/clientcmd" clientcmdapi "k8s.io/client-go/tools/clientcmd/api" "k8s.io/client-go/util/homedir" ) var ( writeFile bool force bool keepFile string ) func main() { // set usage: flag.Usage = func() { fmt.Printf("kubetrim (%s %s) Copyright Alex Ellis (c) 2024\n\n", pkg.Version, pkg.GitCommit) fmt.Print("Sponsor Alex on GitHub: https://github.com/sponsors/alexellis\n\n") fmt.Fprintf(flag.CommandLine.Output(), "Usage of %s:\n", os.Args[0]) fmt.Fprintf(flag.CommandLine.Output(), "kubetrim removes contexts & clusters from your kubeconfig if they are not accessible.\n\n") fmt.Fprintf(flag.CommandLine.Output(), "Set the kubeconfig file to use through the KUBECONFIG environment variable\n") fmt.Fprintf(flag.CommandLine.Output(), "or the default location will be used: ~/.kube/config\n\n") fmt.Fprintf(flag.CommandLine.Output(), "For partially available contexts, add each name on its own line in:\n~/.local/kubetrim/keep.txt\n\n") fmt.Fprintf(flag.CommandLine.Output(), "Options:\n") flag.PrintDefaults() } flag.BoolVar(&writeFile, "write", true, "Write changes to the kubeconfig file, set to false for a dry-run.") flag.BoolVar(&force, "force", false, "Force delete all contexts, even if all are unreachable") flag.StringVar(&keepFile, "keep-file", "$HOME/.local/kubetrim/keep.txt", "Path to the keep file for clusters that are partially available") flag.Parse() keepFile = os.ExpandEnv(keepFile) var keepContexts []string if _, err := os.Stat(keepFile); err == nil { contexts, err := loadKeepContexts(keepFile) if err != nil { fmt.Fprintf(os.Stderr, "Error loading %s: error: %s", keepFile, err) os.Exit(1) } keepContexts = contexts } // Load the kubeconfig file kubeconfig := filepath.Join(homedir.HomeDir(), ".kube", "config") if configPath := os.Getenv("KUBECONFIG"); configPath != "" { kubeconfig = configPath } // Load the kubeconfig config, err := clientcmd.LoadFromFile(kubeconfig) if err != nil { fmt.Printf("Error loading kubeconfig: %v\n", err) os.Exit(1) } fmt.Printf("kubetrim (%s %s) by Alex Ellis \n\nLoaded: %s. Checking..\n", pkg.Version, pkg.GitCommit, kubeconfig) st := time.Now() // List of ckeepContextsontexts to be deleted var contextsToDelete []string // Enumerate and check all contexts for contextName := range config.Contexts { fmt.Printf(" - %s: ", contextName) skip := false for _, keep := range keepContexts { if keep == contextName { skip = true break } } if skip { fmt.Printf("skipping due to keep list ⏩\n") continue } // Set the context for the current iteration clientConfig := clientcmd.NewNonInteractiveClientConfig(*config, contextName, &clientcmd.ConfigOverrides{}, nil) restConfig, err := clientConfig.ClientConfig() if err != nil { fmt.Printf("Failed to create REST config (%v)\n", err) contextsToDelete = append(contextsToDelete, contextName) continue } // Create Kubernetes client clientset, err := kubernetes.NewForConfig(restConfig) if err != nil { fmt.Printf("Failed to create clientset (%v)\n", err) contextsToDelete = append(contextsToDelete, contextName) continue } // Check if the context is working err = checkCluster(clientset) if err != nil { fmt.Printf("❌ - (%v)\n", err) contextsToDelete = append(contextsToDelete, contextName) } else { fmt.Println("✅") } } // Delete the contexts that are not working for _, contextName := range contextsToDelete { deleteContextAndCluster(config, contextName) } if writeFile { if len(contextsToDelete) == len(config.Contexts) && !force { fmt.Println("No contexts are working, the Internet may be down, use --force to delete all contexts anyway.") os.Exit(1) } if len(contextsToDelete) > 0 { // Save the modified kubeconfig if err = clientcmd.WriteToFile(*config, kubeconfig); err != nil { fmt.Printf("Error saving updated kubeconfig: %v\n", err) os.Exit(1) } } fmt.Printf("Updated: %s (in %s).\n", kubeconfig, time.Since(st).Round(time.Millisecond)) } } // checkCluster tries to list nodes in the cluster to verify if the context is working func checkCluster(clientset *kubernetes.Clientset) error { _, err := clientset.CoreV1().Nodes().List(context.TODO(), metav1.ListOptions{}) if err != nil { return fmt.Errorf("failed to connect to cluster: %v", err) } return nil } // deleteContextAndCluster removes the context and its associated cluster from the config func deleteContextAndCluster(config *clientcmdapi.Config, contextName string) { // Get the cluster name associated with the context clusterName := config.Contexts[contextName].Cluster // Delete the context delete(config.Contexts, contextName) // Check if any other contexts use this cluster clusterUsed := false for _, ctx := range config.Contexts { if ctx.Cluster == clusterName { clusterUsed = true break } } // If the cluster is not used by any other context, delete it if !clusterUsed { delete(config.Clusters, clusterName) } } func loadKeepContexts(path string) ([]string, error) { keep := []string{} data, err := os.ReadFile(path) if err != nil { return keep, err } lines := strings.Split(strings.TrimSpace(string(data)), "\n") for _, line := range lines { ln := strings.TrimSpace(line) if len(ln) > 0 && !strings.HasPrefix(ln, "#") { keep = append(keep, ln) } } return keep, nil } 0707010000000F000041ED00000000000000000000000266F40CDC00000000000000000000000000000000000000000000001300000000kubetrim-0.0.1/pkg07070100000010000081A400000000000000000000000166F40CDC0000008A000000000000000000000000000000000000001E00000000kubetrim-0.0.1/pkg/version.gopackage pkg var ( // Version is the version of the tool Version = "dev" // GitCommit is the git commit of the tool GitCommit = "" ) 07070100000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000B00000000TRAILER!!!63 blocks
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