gcloud pubsub topics publish - publishes a message to the specified topic
gcloud pubsub topics publish TOPIC [--attribute=[ATTRIBUTE,...]] [--message=MESSAGE] [--ordering-key=ORDERING_KEY] [GCLOUD_WIDE_FLAG ...]
Publishes a message to the specified topic name for testing and troubleshooting. Use with caution: all associated subscribers must be able to consume and acknowledge any message you publish, otherwise the system will continuously re-attempt delivery of the bad message for 7 days.
To publish messages in a batch to a specific Cloud Pub/Sub topic, run:
$ gcloud pubsub topics publish mytopic --message="Hello World!" \ --attribute=KEY1=VAL1,KEY2=VAL2
- Topic resource - Name of the topic to publish messages to. This represents a
Cloud resource. (NOTE) Some attributes are not given arguments in this group but can be set in other ways. To set the project attribute:
- —
provide the argument topic on the command line with a fully specified name;
- —
provide the argument --project on the command line;
- —
set the property core/project.
This must be specified.
- TOPIC
ID of the topic or fully qualified identifier for the topic. To set the topic attribute:
provide the argument topic on the command line.
- --attribute=[ATTRIBUTE,...]
Comma-separated list of attributes. Each ATTRIBUTE has the form name="value". You can specify up to 100 attributes.
- --message=MESSAGE
The body of the message to publish to the given topic name. Information on message formatting and size limits can be found at: https://cloud.google.com/pubsub/docs/publisher#publish
- --ordering-key=ORDERING_KEY
The key for ordering delivery to subscribers. All messages with the same ordering key are sent to subscribers in the order that Pub/Sub receives them.
These flags are available to all commands: --access-token-file, --account, --billing-project, --configuration, --flags-file, --flatten, --format, --help, --impersonate-service-account, --log-http, --project, --quiet, --trace-token, --user-output-enabled, --verbosity.
Run $ gcloud help for details.
These variants are also available:
$ gcloud alpha pubsub topics publish
$ gcloud beta pubsub topics publish