v1 Get topic policy (DEPRECATED)
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(DEPRECATED) Get topic policy
Code sample
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[],[],null,["# v1 Get topic policy (DEPRECATED)\n\n(DEPRECATED) Get topic policy\n\nCode sample\n-----------\n\n### Go\n\n\nBefore trying this sample, follow the Go setup instructions in the\n[Pub/Sub quickstart using\nclient libraries](/pubsub/docs/quickstart-client-libraries).\n\n\nFor more information, see the\n[Pub/Sub Go API\nreference documentation](https://godoc.org/cloud.google.com/go/pubsub).\n\n\nTo authenticate to Pub/Sub, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n import (\n \t\"context\"\n \t\"fmt\"\n \t\"io\"\n\n \t\"cloud.google.com/go/iam\"\n \t\"cloud.google.com/go/pubsub\"\n )\n\n func policy(w io.Writer, projectID, topicID string) (*iam.Policy, error) {\n \t// projectID := \"my-project-id\"\n \t// topicID := \"my-topic\"\n \tctx := context.Background()\n \tclient, err := pubsub.https://cloud.google.com/go/docs/reference/cloud.google.com/go/pubsub/latest/index.html#cloud_google_com_go_pubsub_Client_NewClient(ctx, projectID)\n \tif err != nil {\n \t\treturn nil, fmt.Errorf(\"pubsub.NewClient: %w\", err)\n \t}\n \tdefer client.Close()\n\n \tpolicy, err := client.Topic(topicID).IAM().Policy(ctx)\n \tif err != nil {\n \t\treturn nil, fmt.Errorf(\"Policy: %w\", err)\n \t}\n \tfor _, role := range policy.https://cloud.google.com/go/docs/reference/cloud.google.com/go/iam/latest/index.html#cloud_google_com_go_iam_Policy_Roles() {\n \t\tfmt.Fprint(w, policy.https://cloud.google.com/go/docs/reference/cloud.google.com/go/iam/latest/index.html#cloud_google_com_go_iam_Policy_Members(role))\n \t}\n \treturn policy, nil\n }\n\n### Ruby\n\n\nBefore trying this sample, follow the Ruby setup instructions in the\n[Pub/Sub quickstart using\nclient libraries](/pubsub/docs/quickstart-client-libraries).\n\n\nFor more information, see the\n[Pub/Sub Ruby API\nreference documentation](https://googleapis.dev/ruby/google-cloud-pubsub/latest/Google/Cloud/PubSub.html).\n\n\nTo authenticate to Pub/Sub, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n # topic_id = \"your-topic-id\"\n\n pubsub = Google::Cloud::https://cloud.google.com/ruby/docs/reference/google-cloud-pubsub/latest/Google-Cloud.html.new\n\n topic = pubsub.topic topic_id\n policy = topic.policy\n\n puts \"Topic policy:\"\n puts policy.roles\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=pubsub)."]]