* 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>
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