memcached-operator

memcached-operator

k8s operator to manage memcashd cluster

1. Init
   operator-sdk init --domain=yasensim.net --repo=github.com/yasensim/memcached-operator

2. Create API
   operator-sdk create api --group cache --version v1alpha1 --kind Memcaches --plugins="deploy-image/v1-alpha" --image=memcached:1.4.36-alpine --image-container-command="memcached,-m=64,modern,-v" --run-as-user="1001"

3. Regenerate if any changes were done
   make generate

4. Update the CRD with the changes
   make manifest

5. Test locally while developing
   make install run

6. Upload the image
   docker login
export IMG=docker.io/yasensim/memcached-operator:v0.0.1
kubectl config set-context --current --namespace=memcached-operator-system
make docker-build IMG=$IMG
make docker-push IMG=$IMG

7. Deploy the operator
   make deploy IMG=$IMG

8. Verify deployment
   kubectl get deploy,pods

9. Create Memcached CR and make sure it works
   change cache_v1alpha1_memcaches.yaml to have 3 replicas
   kubectl apply -f config/samples/cache_v1alpha1_memcaches.yaml
kubectl get deploy,pods

10. Delete the setup
    kubectl delete -f config/samples/cache_v1alpha1_memcaches.yaml
make undeploy
kubectl config set-context --current --namespace=default

11. Install OLM in the cluster (optional)
    operator-sdk olm install