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feat: allow ephemeral runner to be optional (#498)

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- Adds `ephemeral` option to `runner.spec` 
    
    ```
      ....
      template:
         spec:
             ephemeral: false
             repository: mumoshu/actions-runner-controller-ci
      ....
    ```
- `ephemeral` defaults to `true`
- `entrypoint.sh` in runner/Dockerfile modified to read `RUNNER_EPHEMERAL` flag
- Runner images are backward-compatible. `--once` is omitted only when the new envvar `RUNNER_EPHEMERAL` is explicitly set to `false`.

Resolves #457
This commit is contained in:
Thejas N
2021-05-02 15:34:14 +05:30
committed by GitHub
parent a0feee257f
commit 588872a316
11 changed files with 35 additions and 1 deletions
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2
config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml
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@@ -600,6 +600,8 @@ spec:
type: object
type: object
type: array
ephemeral:
type: boolean
ephemeralContainers:
items:
description: An EphemeralContainer is a container that may be added temporarily to an existing pod for user-initiated activities such as debugging. Ephemeral containers have no resource or scheduling guarantees, and they will not be restarted when they exit or when a pod is removed or restarted. If an ephemeral container causes a pod to exceed its resource allocation, the pod may be evicted. Ephemeral containers may not be added by directly updating the pod spec. They must be added via the pod's ephemeralcontainers subresource, and they will appear in the pod spec once added. This is an alpha feature enabled by the EphemeralContainers feature flag.