Update CRD description and add print column

Author: AMecea

Makefile

@@ -48,7 +48,7 @@ bin/orc-helper_linux_amd64: $(shell hack/development/related-go-files.sh $(PKG_N
 skaffold-build: bin/mysql-operator_linux_amd64 bin/mysql-operator-sidecar_linux_amd64 bin/orc-helper_linux_amd64
 
 skaffold-run: skaffold-build
-	skaffold run
+	skaffold run --cache-artifacts=true
 
 # Run against the configured Kubernetes cluster in ~/.kube/config
 run: generate fmt vet

config/crds/mysql_v1alpha1_mysqlcluster.yaml

@@ -6,6 +6,14 @@ metadata:
     controller-tools.k8s.io: "1.0"
   name: mysqlclusters.mysql.presslabs.org
 spec:
+  additionalPrinterColumns:
+  - JSONPath: .spec.replicas
+    description: The number of desired nodes
+    name: Replicas
+    type: integer
+  - JSONPath: .metadata.creationTimestamp
+    name: Age
+    type: date
   group: mysql.presslabs.org
   names:
     kind: MysqlCluster
@@ -54,7 +62,8 @@ spec:
               type: string
             image:
               description: To specify the image that will be used for mysql server
-                container. If this is specified then the mysqlVersion is ignored.
+                container. If this is specified then the mysqlVersion is used as source
+                for MySQL server version.
               type: string
             initBucketSecretName:
               type: string
@@ -80,7 +89,11 @@ spec:
               description: A map[string]string that will be passed to my.cnf file.
               type: object
             mysqlVersion:
-              description: Represents the percona image tag. Defaults to 5.7
+              description: 'Represents the MySQL version that will be run. The available
+                version can be found here: https://github.com/presslabs/mysql-operator/blob/0fd4641ce4f756a0aab9d31c8b1f1c44ee10fcb2/pkg/util/constants/constants.go#L87
+                This field should be set even if the Image is set to let the operator
+                know which mysql version is running. Based on this version the operator
+                can take decisions which features can be used. Defaults to 5.7'
               type: string
             podSpec:
               description: Pod extra specification

hack/charts/mysql-operator/templates/crds.yaml

@@ -32,6 +32,14 @@ metadata:
   annotations:
     helm.sh/hook: crd-install
 spec:
+  additionalPrinterColumns:
+  - JSONPath: .spec.replicas
+    description: The number of desired nodes
+    name: Replicas
+    type: integer
+  - JSONPath: .metadata.creationTimestamp
+    name: Age
+    type: date
   group: mysql.presslabs.org
   names:
     kind: MysqlCluster

pkg/apis/mysql/v1alpha1/mysqlcluster_types.go

@@ -282,6 +282,8 @@ type MysqlClusterStatus struct {
 // +k8s:openapi-gen=true
 // +kubebuilder:subresource:status
 // +kubebuilder:subresource:scale:specpath=.spec.replicas,statuspath=.status.readyNodes
+// +kubebuilder:printcolumn:name="Replicas",type="integer",JSONPath=".spec.replicas",description="The number of desired nodes"
+// +kubebuilder:printcolumn:name="Age",type="date",JSONPath=".metadata.creationTimestamp"
 type MysqlCluster struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty"`