Signed-off-by: Guy Margalit <guymguym@gmail.com>
Co-Authored-By: Sébastien Han <seb@redhat.com>
Co-Authored-By: Travis Nielsen <tnielsen@redhat.com>
This change is meant to allow running operators locally on a developer machine.
The idea is to allow faster development cycles by reducing the time and complexity of building -> deploying -> debugging on cluster.
For operators that rely only on kubernetes API this works easily - see cockroachdb and minio examples in development-flow doc.
The change includes:
- rook.NewContext() - Refactored to remove repeating initialization code that was copy-pasted in most of the operators in order to create the clusterd.Context and the Clientsets. Also it detects the mode of working in-cluster vs external and sets up the external mode with standard user config (~/.kube/config) and a job executor.
- rook.GetOperatorImage() - Refactor this repeating code in many operators to detect the operator pod image. Also added a global flag --operator-image that developers can use to override this when running locally.
- rook.TerminateOnError() - Added a convenient function.
Allow the user to set annotations in the CRDs of the following operators which will then be set on
the resulting Pods (Deployments, StatefulSets and so on).
Operators:
* Cassandra
* Ceph
* CockroachDB
* EdgeFS
* Minio
* NFS
The Annotations related structures have been added to the
rook.io/v1alpha2 pkg.
Signed-off-by: Alexander Trost <galexrt@googlemail.com>
All usages of k8s go client are now also using the versioned `AppsV1() `
call for the client.
Updated MySQL and Wordpress, and Kube Registy examples to use apps/v1
Deployments.
Signed-off-by: Alexander Trost <galexrt@googlemail.com>
The sidecar now has a control loop, which watches its ClusterIP
Service for the `cassandra.rook.io/decommissioned` label.
If it finds it, then it decommissions and updates the label to
value "true".
Signed-off-by: Yannis Zarkadas <yanniszarkadas@gmail.com>
Implementation of the cassandra sidecar logic.
This sidecar helps us inject our custom values during startup
and provides HTTP liveness and readiness checks.
In the future it will also be used for:
- Shutting Down / Decommissioning a cassandra instance
- Backups
- Restores
Signed-off-by: Yannis Zarkadas <yanniszarkadas@gmail.com>
Scaffolding of a Kubernetes controller using the informer-workqueue
pattern.
Dockerfiles and Makefiles to build the cassandra operator image.
Manifests to deploy the Cassandra operator and create a Cluster CRD.
Signed-off-by: Yannis Zarkadas <yanniszarkadas@gmail.com>
Guy Margalit
Alexander Trost
darshanime
Humble Chirammal
Yannis Zarkadas