feat(examples): add a simple usage for operator

examples/simple-hive-cluster-postgres-s3.yaml

@@ -0,0 +1,66 @@
+# helm install secret-operator \
+#     secret-operator \
+#     --repo https://zncdatadev.github.io/kubedoop-helm-charts/
+# helm install minio \
+#     minio \
+#     --repo https://charts.bitnami.com/bitnami \
+#     --set auth.rootUser=minio-access-key \
+#     --set auth.rootPassword=minio-secret-key
+# helm install hive bitnami/postgresql --version=12.1.5 \
+# --set postgresqlUsername=hive \
+# --set postgresqlPassword=hive \
+# --set postgresqlDatabase=hive
+---
+apiVersion: hive.kubedoop.dev/v1alpha1
+kind: HiveCluster
+metadata:
+  name: simple-hive-postgres
+spec:
+  image:
+    productVersion: 4.0.0
+    stackableVersion: 0.0.0-dev
+  clusterConfig:
+    database:
+      connString: jdbc:derby:;databaseName=/tmp/hive;create=true
+      credentialsSecret: hive-credentials
+      dbType: derby
+    s3:
+      inline:
+        host: test-minio
+        port: 9000
+        accessStyle: Path
+        credentials:
+          secretClass: simple-hive-s3-secret-class
+  metastore:
+    roleGroups:
+      default:
+        replicas: 1
+---
+apiVersion: secrets.kubedoop.dev/v1alpha1
+kind: SecretClass
+metadata:
+  name: simple-hive-s3-secret-class
+spec:
+  backend:
+    k8sSearch:
+      searchNamespace:
+        pod: {}
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: simple-hive-s3-secret
+  labels:
+    secrets.kubedoop.dev/class: simple-hive-s3-secret-class
+stringData:
+  accessKey: minio-access-key
+  secretKey: minio-secret-key
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: hive-credentials
+type: Opaque
+stringData:
+  username: APP
+  password: mine

examples/simple-hive-cluster.yaml

@@ -0,0 +1,34 @@
+---
+apiVersion: hive.kubedoop.dev/v1alpha1
+kind: HiveCluster
+metadata:
+  name: simple-hive-derby
+spec:
+  image:
+    productVersion: 4.0.0
+    stackableVersion: 0.0.0-dev
+  clusterConfig:
+    database:
+      connString: jdbc:derby:;databaseName=/tmp/hive;create=true
+      credentialsSecret: hive-credentials
+      dbType: derby
+  metastore:
+    roleGroups:
+      default:
+        replicas: 1
+        config:
+          resources:
+            cpu:
+              min: 300m
+              max: "2"
+            memory:
+              limit: 5Gi
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: hive-credentials
+type: Opaque
+stringData:
+  username: APP
+  password: mine