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Extend json-specs tests with cgroup-parsing #686

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Sep 26, 2022
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Extend json-specs tests with cgroup-parsing #686

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0c09458
Extend json-specs with cgroup-parsing
z1c0 Sep 19, 2022
0c5e378
Use spaces for indentation
z1c0 Sep 19, 2022
9845f06
Add link from spec to test cases.
z1c0 Sep 19, 2022
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2 changes: 2 additions & 0 deletions specs/agents/metadata.md
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Expand Up @@ -110,6 +110,8 @@ On Linux, the container ID and some of the Kubernetes metadata can be extracted

If the Kubernetes pod name is not the hostname, it can be overridden by the `KUBERNETES_POD_NAME` environment variable, using the [Downward API](https://kubernetes.io/docs/tasks/inject-data-application/environment-variable-expose-pod-information/). In a similar manner, you can inform the agent of the node name and namespace, using the environment variables `KUBERNETES_NODE_NAME` and `KUBERNETES_NAMESPACE`.

*Note:* [cgroup_parsing.json](../../tests/agents/json-specs/cgroup_parsing.json) provides test cases for parsing cgroup lines.

### Process metadata

Process level metadata relates to the process running the service being monitored:
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22 changes: 22 additions & 0 deletions tests/agents/json-specs/cgroup_parsing.json
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@@ -0,0 +1,22 @@
{
"testUnderscores": {
"groupLine": "1:name=systemd:/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-pod90d81341_92de_11e7_8cf2_507b9d4141fa.slice/crio-2227daf62df6694645fee5df53c1f91271546a9560e8600a525690ae252b7f63.scope",
"containerId": "2227daf62df6694645fee5df53c1f91271546a9560e8600a525690ae252b7f63",
"podId": "90d81341-92de-11e7-8cf2-507b9d4141fa"
},
"testOpenshiftForm": {
"groupLine": "9:freezer:/kubepods.slice/kubepods-pod22949dce_fd8b_11ea_8ede_98f2b32c645c.slice/docker-b15a5bdedd2e7645c3be271364324321b908314e4c77857bbfd32a041148c07f.scope",
"containerId": "b15a5bdedd2e7645c3be271364324321b908314e4c77857bbfd32a041148c07f",
"podId": "22949dce-fd8b-11ea-8ede-98f2b32c645c"
},
"testUbuntuCGroup": {
"groupLine": "1:name=systemd:/user.slice/user-1000.slice/[email protected]/apps.slice/apps-org.gnome.Terminal.slice/vte-spawn-75bc72bd-6642-4cf5-b62c-0674e11bfc84.scope",
"containerId": null,
"podId": null
},
"testAwsEcsCGroup": {
"groupLine": "1:name=systemd:/ecs/03752a671e744971a862edcee6195646/03752a671e744971a862edcee6195646-4015103728",
"containerId": "03752a671e744971a862edcee6195646-4015103728",
"podId": null
}
}