137 lines
6.4 KiB
Go
137 lines
6.4 KiB
Go
/*
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Copyright 2022 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package proc
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import (
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"testing"
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)
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func TestGetContainerRuntime(t *testing.T) {
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testcases := map[string]struct {
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expectedRuntime ContainerRuntime
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input string
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}{
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"empty": {
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expectedRuntime: RuntimeNotFound,
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},
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"typical docker": {
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expectedRuntime: RuntimeDocker,
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input: `11:pids:/docker/68fad1f9e0985989408aff30e7b83e7dada1d235ff46a22c5465ca193ddf0fac
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10:devices:/docker/68fad1f9e0985989408aff30e7b83e7dada1d235ff46a22c5465ca193ddf0fac
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9:freezer:/docker/68fad1f9e0985989408aff30e7b83e7dada1d235ff46a22c5465ca193ddf0fac
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8:net_cls,net_prio:/docker/68fad1f9e0985989408aff30e7b83e7dada1d235ff46a22c5465ca193ddf0fac
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7:perf_event:/docker/68fad1f9e0985989408aff30e7b83e7dada1d235ff46a22c5465ca193ddf0fac
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6:cpuset:/docker/68fad1f9e0985989408aff30e7b83e7dada1d235ff46a22c5465ca193ddf0fac
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5:memory:/docker/68fad1f9e0985989408aff30e7b83e7dada1d235ff46a22c5465ca193ddf0fac
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4:blkio:/docker/68fad1f9e0985989408aff30e7b83e7dada1d235ff46a22c5465ca193ddf0fac
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3:cpu,cpuacct:/docker/68fad1f9e0985989408aff30e7b83e7dada1d235ff46a22c5465ca193ddf0fac
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2:hugetlb:/docker/68fad1f9e0985989408aff30e7b83e7dada1d235ff46a22c5465ca193ddf0fac
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1:name=systemd:/docker/68fad1f9e0985989408aff30e7b83e7dada1d235ff46a22c5465ca193ddf0fac
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0::/system.slice/containerd.service`,
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},
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"uncontainerized process": {
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expectedRuntime: RuntimeNotFound,
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input: `11:pids:/system.slice/ssh.service
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10:devices:/system.slice/ssh.service
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9:freezer:/
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8:net_cls,net_prio:/
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7:perf_event:/
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6:cpuset:/
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5:memory:/system.slice/ssh.service
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4:blkio:/system.slice/ssh.service
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3:cpu,cpuacct:/system.slice/ssh.service
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2:hugetlb:/
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1:name=systemd:/system.slice/ssh.service
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0::/system.slice/ssh.service`,
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},
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"kubernetes": {
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expectedRuntime: RuntimeKubernetes,
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input: `12:perf_event:/kubepods/burstable/pod98051bd2-a5fa-11e8-9bb9-0a58ac1f31f2/74998d19bd3c7423744214c344c6e814d19b7908a92f165f9d58243073a27a47
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11:freezer:/kubepods/burstable/pod98051bd2-a5fa-11e8-9bb9-0a58ac1f31f2/74998d19bd3c7423744214c344c6e814d19b7908a92f165f9d58243073a27a47
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10:pids:/kubepods/burstable/pod98051bd2-a5fa-11e8-9bb9-0a58ac1f31f2/74998d19bd3c7423744214c344c6e814d19b7908a92f165f9d58243073a27a47
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9:net_cls,net_prio:/kubepods/burstable/pod98051bd2-a5fa-11e8-9bb9-0a58ac1f31f2/74998d19bd3c7423744214c344c6e814d19b7908a92f165f9d58243073a27a47
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8:memory:/kubepods/burstable/pod98051bd2-a5fa-11e8-9bb9-0a58ac1f31f2/74998d19bd3c7423744214c344c6e814d19b7908a92f165f9d58243073a27a47
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7:cpuset:/kubepods/burstable/pod98051bd2-a5fa-11e8-9bb9-0a58ac1f31f2/74998d19bd3c7423744214c344c6e814d19b7908a92f165f9d58243073a27a47
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6:devices:/kubepods/burstable/pod98051bd2-a5fa-11e8-9bb9-0a58ac1f31f2/74998d19bd3c7423744214c344c6e814d19b7908a92f165f9d58243073a27a47
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5:blkio:/kubepods/burstable/pod98051bd2-a5fa-11e8-9bb9-0a58ac1f31f2/74998d19bd3c7423744214c344c6e814d19b7908a92f165f9d58243073a27a47
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4:rdma:/
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3:hugetlb:/kubepods/burstable/pod98051bd2-a5fa-11e8-9bb9-0a58ac1f31f2/74998d19bd3c7423744214c344c6e814d19b7908a92f165f9d58243073a27a47
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2:cpu,cpuacct:/kubepods/burstable/pod98051bd2-a5fa-11e8-9bb9-0a58ac1f31f2/74998d19bd3c7423744214c344c6e814d19b7908a92f165f9d58243073a27a47
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1:name=systemd:/kubepods/burstable/pod98051bd2-a5fa-11e8-9bb9-0a58ac1f31f2/74998d19bd3c7423744214c344c6e814d19b7908a92f165f9d58243073a27a47`,
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},
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"lxc": {
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expectedRuntime: RuntimeLXC, // this is usually in $container for lxc
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input: `10:cpuset:/lxc/debian2
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9:pids:/lxc/debian2
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8:devices:/lxc/debian2
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7:net_cls,net_prio:/lxc/debian2
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6:freezer:/lxc/debian2
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5:blkio:/lxc/debian2
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4:memory:/lxc/debian2
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3:cpu,cpuacct:/lxc/debian2
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2:perf_event:/lxc/debian2
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1:name=systemd:/lxc/debian2`,
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},
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"nspawn": {
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expectedRuntime: RuntimeNotFound, // since this variable is in $container
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input: `10:cpuset:/
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9:pids:/machine.slice/machine-nspawntest.scope
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8:devices:/machine.slice/machine-nspawntest.scope
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7:net_cls,net_prio:/
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6:freezer:/user/root/0
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5:blkio:/machine.slice/machine-nspawntest.scope
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4:memory:/machine.slice/machine-nspawntest.scope
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3:cpu,cpuacct:/machine.slice/machine-nspawntest.scope
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2:perf_event:/
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1:name=systemd:/machine.slice/machine-nspawntest.scope`,
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},
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"rkt": {
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expectedRuntime: RuntimeRkt,
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input: `10:cpuset:/
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9:pids:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice/debian.service
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8:devices:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice/debian.service
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7:net_cls,net_prio:/
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6:freezer:/user/root/0
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5:blkio:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice
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4:memory:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice
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3:cpu,cpuacct:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice
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2:perf_event:/
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1:name=systemd:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice/debian.service`,
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},
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"rkt host": {
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expectedRuntime: RuntimeRkt,
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input: `10:cpuset:/
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9:pids:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice/debian.service
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8:devices:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice/debian.service
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7:net_cls,net_prio:/
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6:freezer:/user/root/0
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5:blkio:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice
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4:memory:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice
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3:cpu,cpuacct:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice
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2:perf_event:/
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1:name=systemd:/machine.slice/machine-rkt\x2dbfb7d57e\x2d80ff\x2d4ef8\x2db602\x2d9b907b3f3a38.scope/system.slice/debian.service`,
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},
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}
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for key, tc := range testcases {
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runtime := getContainerRuntime(tc.input)
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if runtime != tc.expectedRuntime {
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t.Errorf("[%s]: expected runtime %q, got %q", key, tc.expectedRuntime, runtime)
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}
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}
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}
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