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SUSE:SLE-15-SP1:Update
salt.26141
add-amazon-ec2-detection-for-virtual-grains-bsc...
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File add-amazon-ec2-detection-for-virtual-grains-bsc-1195.patch of Package salt.26141
From 77e90c4925a4268c5975cf1ce0bb0e4c457618c1 Mon Sep 17 00:00:00 2001 From: Victor Zhestkov <Victor.Zhestkov@suse.com> Date: Thu, 1 Sep 2022 14:46:24 +0300 Subject: [PATCH] Add Amazon EC2 detection for virtual grains (bsc#1195624) * Add ignore_retcode to quiet run functions * Implement Amazon EC2 detection for virtual grains * Add test for virtual grain detection of Amazon EC2 * Also detect the product of Amazon EC2 instance * Add changelog entry --- changelog/62539.added | 1 + salt/grains/core.py | 18 ++++ salt/modules/cmdmod.py | 4 + tests/pytests/unit/grains/test_core.py | 117 +++++++++++++++++++++++++ 4 files changed, 140 insertions(+) create mode 100644 changelog/62539.added diff --git a/changelog/62539.added b/changelog/62539.added new file mode 100644 index 0000000000..5f402d61c2 --- /dev/null +++ b/changelog/62539.added @@ -0,0 +1 @@ +Implementation of Amazon EC2 instance detection and setting `virtual_subtype` grain accordingly including the product if possible to identify. diff --git a/salt/grains/core.py b/salt/grains/core.py index c5d996d1bb..9530a43fc5 100644 --- a/salt/grains/core.py +++ b/salt/grains/core.py @@ -1173,6 +1173,24 @@ def _virtual(osdata): if grains.get("virtual_subtype") and grains["virtual"] == "physical": grains["virtual"] = "virtual" + # Try to detect if the instance is running on Amazon EC2 + if grains["virtual"] in ("qemu", "kvm", "xen"): + dmidecode = salt.utils.path.which("dmidecode") + if dmidecode: + ret = __salt__["cmd.run_all"]( + [dmidecode, "-t", "system"], ignore_retcode=True + ) + output = ret["stdout"] + if "Manufacturer: Amazon EC2" in output: + grains["virtual_subtype"] = "Amazon EC2" + product = re.match( + r".*Product Name: ([^\r\n]*).*", output, flags=re.DOTALL + ) + if product: + grains["virtual_subtype"] = "Amazon EC2 ({})".format(product[1]) + elif re.match(r".*Version: [^\r\n]+\.amazon.*", output, flags=re.DOTALL): + grains["virtual_subtype"] = "Amazon EC2" + for command in failed_commands: log.info( "Although '%s' was found in path, the current user " diff --git a/salt/modules/cmdmod.py b/salt/modules/cmdmod.py index 61b328b13b..cd42e2cda0 100644 --- a/salt/modules/cmdmod.py +++ b/salt/modules/cmdmod.py @@ -907,6 +907,7 @@ def _run_quiet( success_retcodes=None, success_stdout=None, success_stderr=None, + ignore_retcode=None, ): """ Helper for running commands quietly for minion startup @@ -933,6 +934,7 @@ def _run_quiet( success_retcodes=success_retcodes, success_stdout=success_stdout, success_stderr=success_stderr, + ignore_retcode=ignore_retcode, )["stdout"] @@ -955,6 +957,7 @@ def _run_all_quiet( success_retcodes=None, success_stdout=None, success_stderr=None, + ignore_retcode=None, ): """ @@ -987,6 +990,7 @@ def _run_all_quiet( success_retcodes=success_retcodes, success_stdout=success_stdout, success_stderr=success_stderr, + ignore_retcode=ignore_retcode, ) diff --git a/tests/pytests/unit/grains/test_core.py b/tests/pytests/unit/grains/test_core.py index bc3947fa1b..84dd97d62f 100644 --- a/tests/pytests/unit/grains/test_core.py +++ b/tests/pytests/unit/grains/test_core.py @@ -2720,3 +2720,120 @@ def test_get_server_id(): with patch.dict(core.__opts__, {"id": "otherid"}): assert core.get_server_id() != expected + + +@pytest.mark.skip_unless_on_linux +def test_virtual_set_virtual_ec2(): + osdata = {} + + ( + osdata["kernel"], + osdata["nodename"], + osdata["kernelrelease"], + osdata["kernelversion"], + osdata["cpuarch"], + _, + ) = platform.uname() + + which_mock = MagicMock( + side_effect=[ + # Check with virt-what + "/usr/sbin/virt-what", + "/usr/sbin/virt-what", + None, + "/usr/sbin/dmidecode", + # Check with systemd-detect-virt + None, + "/usr/bin/systemd-detect-virt", + None, + "/usr/sbin/dmidecode", + # Check with systemd-detect-virt when no dmidecode available + None, + "/usr/bin/systemd-detect-virt", + None, + None, + ] + ) + cmd_run_all_mock = MagicMock( + side_effect=[ + # Check with virt-what + {"retcode": 0, "stderr": "", "stdout": "xen"}, + { + "retcode": 0, + "stderr": "", + "stdout": "\n".join( + [ + "dmidecode 3.2", + "Getting SMBIOS data from sysfs.", + "SMBIOS 2.7 present.", + "", + "Handle 0x0100, DMI type 1, 27 bytes", + "System Information", + " Manufacturer: Xen", + " Product Name: HVM domU", + " Version: 4.11.amazon", + " Serial Number: 12345678-abcd-4321-dcba-0123456789ab", + " UUID: 01234567-dcba-1234-abcd-abcdef012345", + " Wake-up Type: Power Switch", + " SKU Number: Not Specified", + " Family: Not Specified", + "", + "Handle 0x2000, DMI type 32, 11 bytes", + "System Boot Information", + " Status: No errors detected", + ] + ), + }, + # Check with systemd-detect-virt + {"retcode": 0, "stderr": "", "stdout": "kvm"}, + { + "retcode": 0, + "stderr": "", + "stdout": "\n".join( + [ + "dmidecode 3.2", + "Getting SMBIOS data from sysfs.", + "SMBIOS 2.7 present.", + "", + "Handle 0x0001, DMI type 1, 27 bytes", + "System Information", + " Manufacturer: Amazon EC2", + " Product Name: m5.large", + " Version: Not Specified", + " Serial Number: 01234567-dcba-1234-abcd-abcdef012345", + " UUID: 12345678-abcd-4321-dcba-0123456789ab", + " Wake-up Type: Power Switch", + " SKU Number: Not Specified", + " Family: Not Specified", + ] + ), + }, + # Check with systemd-detect-virt when no dmidecode available + {"retcode": 0, "stderr": "", "stdout": "kvm"}, + ] + ) + + with patch("salt.utils.path.which", which_mock), patch.dict( + core.__salt__, + { + "cmd.run": salt.modules.cmdmod.run, + "cmd.run_all": cmd_run_all_mock, + "cmd.retcode": salt.modules.cmdmod.retcode, + "smbios.get": salt.modules.smbios.get, + }, + ): + + virtual_grains = core._virtual(osdata.copy()) + + assert virtual_grains["virtual"] == "xen" + assert virtual_grains["virtual_subtype"] == "Amazon EC2" + + virtual_grains = core._virtual(osdata.copy()) + + assert virtual_grains["virtual"] == "kvm" + assert virtual_grains["virtual_subtype"] == "Amazon EC2 (m5.large)" + + virtual_grains = core._virtual(osdata.copy()) + + assert virtual_grains["virtual"] == "kvm" + assert "virtual_subtype" not in virtual_grains -- 2.37.2
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