Commit Graph

94 Commits

Author SHA1 Message Date
Yusuke Kuoka 15b402bb32 Make RunnerSet much more reliable with or without webhook 2022-03-02 19:03:20 +09:00
Yusuke Kuoka b8e65aa857 Prevent unnecessary ephemeral runner recreations 2022-02-20 13:45:42 +00:00
renovate[bot] c64000e11c
fix(deps): update module sigs.k8s.io/controller-runtime to v0.11.0 (#740)
* fix(deps): update module sigs.k8s.io/controller-runtime to v0.11.0

* Fix dependencies and bump Go to 1.17 so that it builds after controller-runtime 0.11.0 upgrade

* Regenerate manifests with the latest K8s dependencies

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Yusuke Kuoka <ykuoka@gmail.com>
2021-12-17 09:06:55 +09:00
Pavel Smalenski 91102c8088
Add dockerEnv variable for RunnerDeployment (#912)
Resolves #878

Co-authored-by: Yusuke Kuoka <ykuoka@gmail.com>
2021-12-14 17:13:24 +09:00
Yusuke Kuoka bbd328a7cc
Bump controller-runtime to v0.10.3 (#1002)
Enhanced version of https://github.com/actions-runner-controller/actions-runner-controller/pull/740
2021-12-11 20:49:47 +09:00
KeisukeYamashita b805cfada7
Fix `maxReplicas` typo in `HorizontalRunnerAutoscaler` spec comment (#895)
* Fix maxreplicas in spec comment

Signed-off-by: KeisukeYamashita <19yamashita15@gmail.com>

* Generate manifests

Signed-off-by: KeisukeYamashita <19yamashita15@gmail.com>
2021-10-17 22:01:08 +01:00
Maxim Pogozhiy fce7d6d2a7
Add topologySpreadConstraints (#814) 2021-10-17 21:49:44 +01:00
Callum Tait 5805e39e1f
Revert "feat: adding workflow_dispatch webhook event" (#879)
This reverts commit d36d47fe66.
2021-10-09 18:36:02 +01:00
Callum d36d47fe66 feat: adding workflow_dispatch webhook event 2021-10-09 10:07:07 +01:00
Tristan Keen 9f4f5ec951 Added preserveUnknownFields:false to CRDs 2021-09-23 22:00:18 +01:00
Tristan Keen 4320e0e5e1 New generated CRDs 2021-09-14 17:12:09 +09:00
Tristan Keen d918c91bea Complete CRDs for acceptance testing 2021-09-14 17:00:39 +09:00
Tarasovych 7008b0c257
feat: Organization RunnerDeployment with webhook-based autoscaling only for certain repositories (#766)
Resolves #765

Co-authored-by: Yusuke Kuoka <ykuoka@gmail.com>
2021-08-31 09:46:36 +09:00
Sam 0593125d96
Add dnsConfig to runner deployments (#764)
Resolves #761
2021-08-31 09:42:05 +09:00
Yusuke Kuoka 424c33b11f kustomize: Fix error while generating release manifests
This fixes the below error that occurs in `make release`:

```
kustomize build config/default > release/actions-runner-controller.yaml
Error: accumulating resources: accumulation err='accumulating resources from '../webhook': '/home/mumoshu/p/actions-runner-controller/config/webhook' must resolve to a file': recursed accumulation of path '/home/mumoshu/p/actions-runner-controller/config/webhook': accumulating resources: accumulation err='accumulating resources from 'manifests.v1beta1.yaml': evalsymlink failure on '/home/mumoshu/p/actions-runner-controller/config/webhook/manifests.v1beta1.yaml' : lstat /home/mumoshu/p/actions-runner-controller/config/webhook/manifests.v1beta1.yaml: no such file or directory': evalsymlink failure on '/home/mumoshu/p/actions-runner-controller/config/webhook/manifests.v1beta1.yaml' : lstat /home/mumoshu/p/actions-runner-controller/config/webhook/manifests.v1beta1.yaml: no such file or directory
make: *** [Makefile:156: release] Error 1
```

Ref #144
2021-08-25 00:11:43 +00:00
Yusuke Kuoka 167c5b4dc9
Use non-deprecated API versions in CRDs and Webhooks (#733)
Resolves #144
2021-08-24 10:31:36 +09:00
Rolf Ahrenberg 14564c7b8e
Allow disabling /runner emptydir mounts and setting storage volume (#674)
* Allow disabling /runner emptydir mounts

* Support defining storage medium for emptydirs

* Fix typos
2021-07-15 06:29:58 +09:00
Abhi Kapoor b27b6ea2a8
Add shortNames to CRDs(#693)
Add `shortNames` to kube api-resource CRDs. Short-names make it easier when interacting/troubleshooting api-resources with kubectl. 

We have tried to follow the naming convention similar to what K8s uses which should help with avoiding any naming conflicts as well. For example:
* `Deployment` has a shortName of deploy, so added rdeploy for `runnerdeployment`
* `HorizontalPodAutoscaler` has a shortName of hpa, so added hra for `HorizontalRunnerAutoscaler`
*  `ReplicaSets` has a shortName of rs, so added rrs for `runnerreplicaset`

Co-authored-by: abhinav454 <43758739+abhinav454@users.noreply.github.com>
2021-07-15 06:17:09 +09:00
Yusuke Kuoka 98da4c2adb
Add HRA support for RunnerSet (#647)
`HRA.Spec.ScaleTargetRef.Kind` is added to denote that the scale-target is a RunnerSet.

It defaults to `RunnerDeployment` for backward compatibility.

```
apiVersion: actions.summerwind.dev/v1alpha1
kind: HorizontalRunnerAutoscaler
metadata:
  name: myhra
spec:
  scaleTargetRef:
    kind: RunnerSet
    name: myrunnerset
```

Ref #629
Ref #613
Ref #612
2021-06-23 20:25:03 +09:00
Yusuke Kuoka 8b90b0f0e3
Clean up import list (#645)
Resolves #644
2021-06-22 17:55:06 +09:00
Jonathan Gonzalez V a277489003
Added support to enable and disable enableServiceLinks. (#628)
This option expose internally some `KUBERNETES_*` environment variables
that doesn't allow the runner to use KinD (Kubernetes in Docker) since it will
try to connect to the Kubernetes cluster where the runner it's running.

This option it's set by default to `true` in any Kubernetes deployment.

Signed-off-by: Jonathan Gonzalez V <jonathan.gonzalez@enterprisedb.com>
2021-06-22 17:27:26 +09:00
Yusuke Kuoka 9e4dbf497c
feat: RunnerSet backed by StatefulSet (#629)
* feat: RunnerSet backed by StatefulSet

Unlike a runner deployment, a runner set can manage a set of stateful runners by combining a statefulset and an admission webhook that mutates statefulset-managed pods with required envvars and registration tokens.

Resolves #613
Ref #612

* Upgrade controller-runtime to 0.9.0

* Bump Go to 1.16.x following controller-runtime 0.9.0

* Upgrade kubebuilder to 2.3.2 for updated etcd and apiserver following local setup

* Fix startup failure due to missing LeaderElectionID

* Fix the issue that any pods become unable to start once actions-runner-controller got failed after the mutating webhook has been registered

* Allow force-updating statefulset

* Fix runner container missing work and certs-client volume mounts and DOCKER_HOST and DOCKER_TLS_VERIFY envvars when dockerdWithinRunner=false

* Fix runnerset-controller not applying statefulset.spec.template.spec changes when there were no changes in runnerset spec

* Enable running acceptance tests against arbitrary kind cluster

* RunnerSet supports non-ephemeral runners only today

* fix: docker-build from root Makefile on intel mac

* fix: arch check fixes for mac and ARM

* ci: aligning test data format and patching checks

* fix: removing namespace in test data

* chore: adding more ignores

* chore: removing leading space in shebang

* Re-add metrics to org hra testdata

* Bump cert-manager to v1.1.1 and fix deploy.sh

Co-authored-by: toast-gear <15716903+toast-gear@users.noreply.github.com>
Co-authored-by: Callum James Tait <callum.tait@photobox.com>
2021-06-22 17:10:09 +09:00
Carus Kyle 552ee28072
chore: bump kube-rbac-proxy version (#609) 2021-06-08 18:16:30 +01:00
Ameer Ghani 7523ea44f1
feat: allow specifying runtime class in runner spec (#580)
This allows using the `runtimeClassName` directive in the runner's spec.

One of the use-cases for this is Kata Containers, which use `runtimeClassName` in a pod spec as an indicator that the pod should run inside a Kata container. This allows us a greater degree of pod isolation.
2021-06-04 08:56:43 +09:00
Yusuke Kuoka d56971ca7c
Fix typo (sucessfully -> successfully (#563)
Follow-up for #556
2021-05-22 08:36:18 +09:00
Yusuke Kuoka cb14d7530b
Add HRA printer column "SCHEDULE" (#561)
Adds a column to help the operator see if they configured HRA.Spec.ScheduledOverrides correctly, in a form of "next override schedule recognized by the controller":

```
$ k get horizontalrunnerautoscaler
NAME                            MIN   MAX   DESIRED   SCHEDULE
actions-runner-aos-autoscaler   0     5     0
org                             0     5     0         min=0 time=2021-05-21 15:00:00 +0000 UTC
```

Ref https://github.com/actions-runner-controller/actions-runner-controller/issues/484
2021-05-22 08:29:53 +09:00
Yusuke Kuoka 0b88b246d3
Fix additionalPrinterColumns (#556)
This fixes human-readable output of `kubectl get` on `runnerdeployment`, `runnerreplicaset`, and `runner`.

Most notably, CURRENT and READY of runner replicasets are now computed and printed correctly. Runner deployments now have UP-TO-DATE and AVAILABLE instead of READY so that it is consistent with columns of K8s deployments.

A few fixes has been also made to runner deployment and runner replicaset controllers so that those numbers stored in Status objects are reliably updated and in-sync with actual values.

Finally, `AGE` columns are added to runnerdeployment, runnerreplicaset, runnner to make that more visible to users.

`kubectl get` outputs should now look like the below examples:

```
# Immediately after runnerdeployment updated/created
$ k get runnerdeployment
NAME                   DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
example-runnerdeploy   0         0         0            0           8d
org-runnerdeploy       5         5         5            0           8d

# A few dozens of seconds after update/create all the runners are registered that "available" numbers increase
$ k get runnerdeployment
NAME                   DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
example-runnerdeploy   0         0         0            0           8d
org-runnerdeploy       5         5         5            5           8d
```

```
$ k get runnerreplicaset
NAME                         DESIRED   CURRENT   READY   AGE
example-runnerdeploy-wnpf6   0         0         0       61m
org-runnerdeploy-fsnmr       2         2         0       8m41s
```

```
$ k get runner
NAME                                           ENTERPRISE   ORGANIZATION                REPOSITORY                                       LABELS                      STATUS    AGE
example-runnerdeploy-wnpf6-registration-only                                            actions-runner-controller/mumoshu-actions-test                               Running   61m
org-runnerdeploy-fsnmr-n8kkx                                actions-runner-controller                                                    ["mylabel 1","mylabel 2"]             21s
org-runnerdeploy-fsnmr-sq6m8                                actions-runner-controller                                                    ["mylabel 1","mylabel 2"]             21s
```

Fixes #490
2021-05-21 09:10:47 +09:00
Yusuke Kuoka 7be31ce3e5
kubectl-diff / dry-run support (#549)
Resolves #266
2021-05-17 09:36:13 +09:00
Yusuke Kuoka 0e0f385f72
Experimental support for ScheduledOverrides (#515)
This adds the initial version of ScheduledOverrides to HorizontalRunnerAutoscaler.
`MinReplicas` overriding should just work.
When there are two or more ScheduledOverrides, the earliest one that matched is activated. Each ScheduledOverride can be recurring or one-time. If you have two or more ScheduledOverrides, only one of them should be one-time. And the one-time override should be the earliest item in the list to make sense.

Tests will be added in another commit. Logging improvements and additional observability in HRA.Status will also be added in yet another commits.

Ref #484
2021-05-03 23:31:17 +09:00
Yusuke Kuoka b3cae25741
Enhance HorizontalRunnerAutoscaler API for ScheduledOverrides (#514)
This adds types and CRD changes related to HorizontalRunnerAutoscaler for the upcoming ScheduledOverrides feature.

Ref #484
2021-05-03 22:31:54 +09:00
Thejas N 588872a316
feat: allow ephemeral runner to be optional (#498)
- 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
2021-05-02 19:04:14 +09:00
Yusuke Kuoka dbd7b486d2
feat: Support for scaling from/to zero (#465)
This is an attempt to support scaling from/to zero.

The basic idea is that we create a one-off "registration-only" runner pod on RunnerReplicaSet being scaled to zero, so that there is one "offline" runner, which enables GitHub Actions to queue jobs instead of discarding those.

GitHub Actions seems to immediately throw away the new job when there are no runners at all. Generally, having runners of any status, `busy`, `idle`, or `offline` would prevent GitHub actions from failing jobs. But retaining `busy` or `idle` runners means that we need to keep runner pods running, which conflicts with our desired to scale to/from zero, hence we retain `offline` runners.

In this change, I enhanced the runnerreplicaset controller to create a registration-only runner on very beginning of its reconciliation logic, only when a runnerreplicaset is scaled to zero. The runner controller creates the registration-only runner pod, waits for it to become "offline", and then removes the runner pod. The runner on GitHub stays `offline`, until the runner resource on K8s is deleted. As we remove the registration-only runner pod as soon as it registers, this doesn't block cluster-autoscaler.

Related to #447
2021-05-02 16:11:36 +09:00
Rolf Ahrenberg 6b77a2a5a8
feat: Docker registry mirror (#478)
Changes:

- Switched to use `jq` in startup.sh
- Enable docker registry mirror configuration which is useful when e.g. avoiding the Docker Hub rate-limiting

Check #478 for how this feature is tested and supposed to be used.
2021-04-25 14:04:01 +09:00
Manuel Jurado 37c2a62fa8
Allow to configure runner volume size limit (#436)
Enable the user to set a limit size on the volume of the runner to avoid some runner pod affecting other resources of the same cluster

Co-authored-by: Yusuke Kuoka <ykuoka@gmail.com>
2021-04-18 13:56:59 +09:00
Agoney Garcia-Deniz 2e551c9d0a
Add hostAliases to the runner spec (#456) 2021-04-17 17:04:52 +09:00
asoldino b42b8406a2
Add dockerVolumeMounts (#439)
Resolves #435
2021-04-06 10:10:10 +09:00
Yusuke Kuoka d874a5cfda
Fix `status.lastRegistrationCheckTime in body must be of type string: \"null\"` errors (#407)
Follow-up for #398 and #404
2021-03-19 11:15:35 +09:00
Yusuke Kuoka dee997b44e Fix `Failed to update runner status for Registration` errors
Fixes #400
2021-03-19 07:02:00 +09:00
Yusuke Kuoka 565b14a148 Fix `status.lastRegistrationCheckTime in body must be of type string: \"null\"` error
Follow-up for #392
2021-03-18 10:20:49 +09:00
Yusuke Kuoka 3f23501b8e
Reduce "No runner matching the specified labels was found" errors while runner replacement (#392)
We occasionally encountered those errors while the underlying RunnerReplicaSet is being recreated/replaced on RunnerDeployment.Spec.Template update. It turned out to be due to that the RunnerDeployment controller was waiting for the runner pod becomes `Running`, intead of the new replacement runner to have registered to GitHub. This fixes that, by trying to Runner.Status.Phase to `Running` only after the runner in the runner pod appears to be registered.

A side-effect of this change is that runner controller would call more "ListRunners" GitHub Actions API. I've reviewed and improved the runner controller code and Runner CRD to make make the number of calls minimum. In most cases, ListRunners should be called only twice for each runner creation.
2021-03-16 10:52:30 +09:00
Yusuke Kuoka 8d3a83b07a
Add CheckRun.Names scale-up trigger configuration (#390)
This allows you to trigger autoscaling depending on check_run names(i.e. actions job names). If you are willing to differentiate scale amount only for a specific job, or want to scale only on a specific job, try this.
2021-03-14 10:21:42 +09:00
Brandon Kimbrough 2273b198a1
Add ability to set the MTU size of the docker in docker container (#385)
* adding abilitiy to set docker in docker MTU size

* safeguards to only set MTU env var if it is set
2021-03-12 08:44:49 +09:00
Hiroshi Muraoka 11e58fcc41
Manage runner with label (#355)
* Update RunnerDeploymentSpec to have Selector field

Signed-off-by: Hiroshi Muraoka <h.muraoka714@gmail.com>

* Update RunnerReplicaSetSpec to have Selector field

Signed-off-by: Hiroshi Muraoka <h.muraoka714@gmail.com>

* Add CloneSelectorAndAddLabel to add Selector field

Signed-off-by: Hiroshi Muraoka <h.muraoka714@gmail.com>

* Fix tests

Signed-off-by: Hiroshi Muraoka <h.muraoka714@gmail.com>

* Use label to find RunnerReplicaSet/Runner

Signed-off-by: binoue <banji-inoue@cybozu.co.jp>

* Update controller-gen versions in CRD

Signed-off-by: Hiroshi Muraoka <h.muraoka714@gmail.com>

* Update autoscaler to list Pods with labels

Signed-off-by: Hiroshi Muraoka <h.muraoka714@gmail.com>

* Add debug log

Signed-off-by: Hiroshi Muraoka <h.muraoka714@gmail.com>

* Modify RunnerDeployment tests

Signed-off-by: binoue <banji-inoue@cybozu.co.jp>

* Modify RunnerReplicaset test

Signed-off-by: binoue <banji-inoue@cybozu.co.jp>

* Modify integration test

Signed-off-by: Hiroshi Muraoka <h.muraoka714@gmail.com>

* Use RunnerDeployment Template Labels as the default selector for backward compatibility

* Fix labeling

Signed-off-by: Hiroshi Muraoka <h.muraoka714@gmail.com>

* Update func in Eventually to return (int, error)

Signed-off-by: Hiroshi Muraoka <h.muraoka714@gmail.com>

* Update RunnerDeployment controller not to use label selector

Signed-off-by: Hiroshi Muraoka <h.muraoka714@gmail.com>

* Fix potential replicaset controller breakage on replicaset created before v0.17.0

* Fix errors on existing runner replica sets

* Ensure RunnerReplicaSet Spec Selector addition does not break controller

* Ensure RunnerDeployment Template.Spec.Labels change does result in template hash change

* Fix comment

Co-authored-by: binoue <banji-inoue@cybozu.co.jp>
Co-authored-by: Yusuke Kuoka <ykuoka@gmail.com>
2021-03-05 10:15:39 +09:00
Yusuke Kuoka 434823bcb3
`scale{Up,Down}Adjustment` to add/remove constant number of replicas on scaling (#315)
* `scale{Up,Down}Adjustment` to add/remove constant number of replicas on scaling

Ref #305

* Bump chart version
2021-02-16 17:16:26 +09:00
Johannes Nicolai 1db9d9d574
Use ARM64 compatible kube-rbac-proxy from upstream (#310)
* as pointed out in #281 the currently used image for the 
kube-rbac-proxy - gcr.io/kubebuilder/kube-rbac-proxy:v0.4.1" - does not 
have an ARM64 image
* hence, trying to use the standard deployment manifest / helm char will 
fail on ARM64 systems
* replaced image with quay.io/brancz/kube-rbac-proxy:v0.8.0 which is the 
latest version from the upstream maintainer 
(https://github.com/brancz/kube-rbac-proxy/blob/master/Makefile#L13)
* successfully tested on both AMD64 and ARM64 clusters
* fixes #281
2021-02-16 09:55:03 +09:00
Yusuke Kuoka ab1c39de57
feat: HorizontalRunnerAutoscaler Webhook server (#282)
* feat: HorizontalRunnerAutoscaler Webhook server

This introduces a Webhook server that responds GitHub `check_run`, `pull_request`, and `push` events by scaling up matched HorizontalRunnerAutoscaler by 1 replica. This allows you to immediately add "resource slack" for future GitHub Actions job runs, without waiting next sync period to add insufficient runners.

This feature is highly inspired by https://github.com/philips-labs/terraform-aws-github-runner. terraform-aws-github-runner can manage one set of runners per deployment, where actions-runner-controller with this feature can manage as many sets of runners as you declare with HorizontalRunnerAutoscaler and RunnerDeployment pairs.

On each GitHub event received, the webhook server queries repository-wide and organizational runners from the cluster and searches for the single target to scale up. The webhook server tries to match HorizontalRunnerAutoscaler.Spec.ScaleUpTriggers[].GitHubEvent.[CheckRun|Push|PullRequest] against the event and if it finds only one HRA, it is the scale target. If none or two or more targets are found for repository-wide runners, it does the same on organizational runners.

Changes:

* Fix integration test
* Update manifests
* chart: Add support for github webhook server
* dockerfile: Include github-webhook-server binary
* Do not import unversioned go-github
* Update README
2021-02-07 17:37:27 +09:00
Jesse Haka 28e80a2d28
Add support for enterprise runners (#290)
* Add support for enterprise runners

* update docs
2021-02-05 09:31:06 +09:00
ZacharyBenamram 466b30728d
Add "PercentageRunnersBusy" horizontal runner autoscaler metric type (#223)
* hpa scheme based off busy runners

* running make manifests

Co-authored-by: Zachary Benamram <zacharybenamram@blend.com>
2020-12-13 08:48:19 +09:00
Reinier Timmer ee8fb5a388
parametrized working directory (#185)
* parametrized working directory

* manifests v3.0
2020-11-25 08:55:26 +09:00
Shinnosuke Sawada 4371de9733
add dockerEnabled option (#191)
Add dockerEnabled option for users who does not need docker and want not to run privileged container.
if `dockerEnabled == false`, dind container not run, and there are no privileged container.

Do the same as closed #96
2020-11-16 09:41:12 +09:00