Fix kubectl create secret docker-registry

Author: zhouya0

hack/testdata/dockerconfig.json

@@ -0,0 +1,14 @@
+{
+    "auths":{
+        "http://foo.example.com":{
+            "username":"foo",
+            "password":"bar",
+            "email":"[email protected]"
+        },
+        "http://bar.example.com":{
+            "username":"bar",
+            "password":"baz",
+            "email":"[email protected]"
+        }
+    }
+}

staging/src/k8s.io/kubectl/pkg/cmd/create/create_secret.go

@@ -189,9 +189,7 @@ func NewCmdCreateSecretDockerRegistry(f cmdutil.Factory, ioStreams genericcliopt
 	cmdutil.AddValidateFlags(cmd)
 	cmdutil.AddGeneratorFlags(cmd, generateversioned.SecretForDockerRegistryV1GeneratorName)
 	cmd.Flags().String("docker-username", "", i18n.T("Username for Docker registry authentication"))
-	cmd.MarkFlagRequired("docker-username")
 	cmd.Flags().String("docker-password", "", i18n.T("Password for Docker registry authentication"))
-	cmd.MarkFlagRequired("docker-password")
 	cmd.Flags().String("docker-email", "", i18n.T("Email for Docker registry"))
 	cmd.Flags().String("docker-server", "https://index.docker.io/v1/", i18n.T("Server location for Docker registry"))
 	cmd.Flags().Bool("append-hash", false, "Append a hash of the secret to its name.")

test/cmd/core.sh

@@ -830,6 +830,21 @@ run_secrets_test() {
   # Clean-up
   kubectl delete secret test-secret --namespace=test-secrets
 
+  ### Create a docker-registry secret in a specific namespace with docker config file
+  if [[ "${WAIT_FOR_DELETION:-}" == "true" ]]; then
+    kube::test::wait_object_assert 'secrets --namespace=test-secrets' "{{range.items}}{{$id_field}}:{{end}}" ''
+  fi
+  # Pre-condition: no SECRET exists
+  kube::test::get_object_assert 'secrets --namespace=test-secrets' "{{range.items}}{{$id_field}}:{{end}}" ''
+  # Command
+  kubectl create secret docker-registry test-secret --from-file=.dockerconfigjson=hack/testdata/dockerconfig.json --namespace=test-secrets
+  # Post-condition: secret exists and has expected values
+  kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$id_field}}" 'test-secret'
+  kube::test::get_object_assert 'secret/test-secret --namespace=test-secrets' "{{$secret_type}}" 'kubernetes.io/dockerconfigjson'
+  grep -q '.dockerconfigjson: ewogICAgImF1dGhzIjp7CiAgICAgICAgImh0dHA6Ly9mb28uZXhhbXBsZS5jb20iOnsKICAgICAgICAgICAgInVzZXJuYW1lIjoiZm9vIiwKICAgICAgICAgICAgInBhc3N3b3JkIjoiYmFyIiwKICAgICAgICAgICAgImVtYWlsIjoiZm9vQGV4YW1wbGUuY29tIgogICAgICAgIH0sCiAgICAgICAgImh0dHA6Ly9iYXIuZXhhbXBsZS5jb20iOnsKICAgICAgICAgICAgInVzZXJuYW1lIjoiYmFyIiwKICAgICAgICAgICAgInBhc3N3b3JkIjoiYmF6IiwKICAgICAgICAgICAgImVtYWlsIjoiYmFyQGV4YW1wbGUuY29tIgogICAgICAgIH0KICAgIH0KfQo=' <<< "$(kubectl get secret/test-secret --namespace=test-secrets -o yaml "${kube_flags[@]}")"
+  # Clean-up
+  kubectl delete secret test-secret --namespace=test-secrets
+
   ### Create a tls secret
   if [[ "${WAIT_FOR_DELETION:-}" == "true" ]]; then
     kube::test::wait_object_assert 'secrets --namespace=test-secrets' "{{range.items}}{{$id_field}}:{{end}}" ''