Support the value $POD_NAME for the annotation
#982
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$POD_NAME for the annotation `consul.hashicorp.co…$POD_NAME for the annotation
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| @@ -9,6 +9,8 @@ IMPROVEMENTS: | |||
| * Allow customization of `terminationGracePeriodSeconds` on the ingress gateways. [[GH-947](https://github.com/hashicorp/consul-k8s/pull/947)] | |||
| * Support `ui.dashboardURLTemplates.service` value for setting [dashboard URL templates](https://www.consul.io/docs/agent/options#ui_config_dashboard_url_templates_service). [[GH-937](https://github.com/hashicorp/consul-k8s/pull/937)] | |||
| * Allow using dash-separated names for config entries when using `kubectl`. [[GH-965](https://github.com/hashicorp/consul-k8s/pull/965)] | |||
| * Control Plane | |||
| * Support the value `$POD_NAME` for the annotation `consul.hashicorp.com/service-meta-pod_name` that will now be interpolated and set to the pod name in the service's metadata. [[GH-982](https://github.com/hashicorp/consul-k8s/pull/982)] | |||
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@thisisnotashwin it's supported for any meta annotation right? Not just service-meta-pod_name but also service-meta-foo for example.
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not really. I asked @david-yu and the ask from the customer is to only support $POD_NAME.
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@thisisnotashwin Similar question that @lkysow asked. Should it support any meta annotation? I'm looking to also grab the pod-namespace. I can make a similar PR but then we get into different territory of adding every single metadata that we might need and doesn't seem sustainable
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or would it make sense to add another value for $POD_NAMESPACE?
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Hey @jeenx !! Currently we have only added support for the value $POD_NAME. I agree that adding a separate PR per env var is not sustainable, but in this case, these env vars are not actually set in the runtime env. We are actually replacing it with the value pod.Name(). Hence we would need to this do on a per env basis as it is hard to determine whether the desired variable does exist in the env or not.
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It's also important to note that this isn't actually an env var. We're doing this in the endpoints controller that doesn't have access to the actual pod's environment variables. So we can only support data we actually have when looking at the pod yaml.
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Got it, would it be possible to add all that data that is available on the pod (e.g, namespace)?
Changes proposed in this PR:
consul.hashicorp.com/service-meta-pod_name: $POD_NAMEwhere $POD_NAME will be replaced with the Pod's name. This mimics the support we had before the endpoints controller where environment variables were interpolated for tags.How I've tested this PR:
How I expect reviewers to test this PR:
Checklist: