Add show user command

docs/content/reference/pgo_show.md

@@ -88,4 +88,5 @@ HA
 * [pgo](/reference/)	 - pgo is a kubectl plugin for PGO, the open source Postgres Operator
 * [pgo show backup](/reference/pgo_show_backup/)	 - Show backup information for a PostgresCluster
 * [pgo show ha](/reference/pgo_show_ha/)	 - Show 'patronictl list' for a PostgresCluster.
+* [pgo show user](/reference/pgo_show_user/)	 - Show details for a PostgresCluster user.
 

docs/content/reference/pgo_show_user.md

@@ -0,0 +1,91 @@
+---
+title: pgo show user
+---
+## pgo show user
+
+Show details for a PostgresCluster user.
+
+### Synopsis
+
+Show details for a PostgresCluster user. Only shows
+details for the default user for a PostgresCluster
+or for users defined on the PostgresCluster spec.
+Use the "--show-connection-info" flag to get the
+connection info, including password.
+
+#### RBAC Requirements
+    Resources  Verbs
+    ---------  -----
+    secrets       [list]
+
+### Usage
+
+```
+pgo show user USER_NAME --cluster CLUSTER_NAME [flags]
+```
+
+### Examples
+
+```
+# Show non-sensitive contents of users for "hippo" cluster
+pgo show user --cluster hippo
+
+# Show non-sensitive contents of user "rhino" for "hippo" cluster
+pgo show user rhino --cluster hippo
+
+# Show connection info for user "rhino" for "hippo" cluster,
+# including sensitive password info
+pgo show user rhino --cluster hippo --show-connection-info
+
+```
+### Example output
+```
+# Showing all the users of the "hippo" cluster
+CLUSTER  USERNAME
+hippo    hippo
+hippo    rhino
+
+# Showing the connection info for user "hippo" of cluster "hippo"
+WARNING: This command will show sensitive password information.
+Are you sure you want to continue? (yes/no): yes
+
+Connection information for hippo for hippo cluster
+Connection info string:
+    dbname=hippo host=hippo-primary.postgres-operator.svc port=5432 user=hippo password=<password>
+Connection URL:
+    postgres://<password>@hippo-primary.postgres-operator.svc:5432/hippo
+```
+
+### Options
+
+```
+  -h, --help                   help for user
+      --show-connection-info   show sensitive user fields
+```
+
+### Options inherited from parent commands
+
+```
+      --as string                      Username to impersonate for the operation. User could be a regular user or a service account in a namespace.
+      --as-group stringArray           Group to impersonate for the operation, this flag can be repeated to specify multiple groups.
+      --as-uid string                  UID to impersonate for the operation.
+      --cache-dir string               Default cache directory (default "$HOME/.kube/cache")
+      --certificate-authority string   Path to a cert file for the certificate authority
+      --client-certificate string      Path to a client certificate file for TLS
+      --client-key string              Path to a client key file for TLS
+      --cluster string                 The name of the kubeconfig cluster to use
+      --context string                 The name of the kubeconfig context to use
+      --insecure-skip-tls-verify       If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure
+      --kubeconfig string              Path to the kubeconfig file to use for CLI requests.
+  -n, --namespace string               If present, the namespace scope for this CLI request
+      --request-timeout string         The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests. (default "0")
+  -s, --server string                  The address and port of the Kubernetes API server
+      --tls-server-name string         Server name to use for server certificate validation. If it is not provided, the hostname used to contact the server is used
+      --token string                   Bearer token for authentication to the API server
+      --user string                    The name of the kubeconfig user to use
+```
+
+### SEE ALSO
+
+* [pgo show](/reference/pgo_show/)	 - Show PostgresCluster details
+

go.mod

@@ -11,6 +11,7 @@ require (
 	k8s.io/apimachinery v0.24.3
 	k8s.io/cli-runtime v0.24.1
 	k8s.io/client-go v0.24.3
+	k8s.io/utils v0.0.0-20220210201930-3a6ce19ff2f9
 	sigs.k8s.io/structured-merge-diff/v4 v4.2.1
 	sigs.k8s.io/yaml v1.3.0
 )
@@ -68,7 +69,6 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/klog/v2 v2.60.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20220328201542-3ee0da9b0b42 // indirect
-	k8s.io/utils v0.0.0-20220210201930-3a6ce19ff2f9 // indirect
 	sigs.k8s.io/json v0.0.0-20211208200746-9f7c6b3444d2 // indirect
 	sigs.k8s.io/kustomize/api v0.11.4 // indirect
 	sigs.k8s.io/kustomize/kyaml v0.13.6 // indirect

internal/cmd/delete.go

@@ -110,13 +110,3 @@ postgresclusters/hippo deleted`)
 
 	return cmd
 }
-
-// containsString returns true if slice contains element
-func containsString(slice []string, element string) bool {
-	for _, elem := range slice {
-		if elem == element {
-			return true
-		}
-	}
-	return false
-}