cr_buildtrigger_pubsub {googleCloudRunner}

Create a buildtrigger pub/sub object

Description

Create a trigger from a Pub/Sub topic

Usage

cr_buildtrigger_pubsub(
  topic,
  serviceAccountEmail = NULL,
  projectId = cr_project_get()
)

Arguments

topic

The name of the Cloud Pub/Sub topic or a Topic object from topics_get

serviceAccountEmail

Service account that will make the push request.

projectId

The GCP project the topic is created within

Details

When using a PubSub trigger, you can use data within your PubSub message in substitution variables within the build. The data from pubsub is available in the variable value: $(body.message.data.x) when x is a field in the pubsub message.

See Also

Other BuildTrigger functions: BuildTrigger(), GitHubEventsConfig(), cr_buildtrigger_copy(), cr_buildtrigger_delete(), cr_buildtrigger_edit(), cr_buildtrigger_get(), cr_buildtrigger_list(), cr_buildtrigger_repo(), cr_buildtrigger_run(), cr_buildtrigger_webhook(), cr_buildtrigger()

Examples

# create build object
cloudbuild <- system.file("cloudbuild/cloudbuild_substitutions.yml",
  package = "googleCloudRunner"
)
the_build <- cr_build_make(cloudbuild)

# this build includes substitution variables that read from pubsub message var1
the_build

# using googlePubSubR to create pub/sub topic if needed
## Not run: 
library(googlePubsubR)
pubsub_auth()
topics_create("test-topic")

## End(Not run)

# create build trigger that will work from pub/subscription
pubsub_trigger <- cr_buildtrigger_pubsub("test-topic")
pubsub_trigger
## Not run: 
cr_buildtrigger(the_build, name = "pubsub-triggered-subs", trigger = pubsub_trigger)

## End(Not run)

# make base64 encoded json for pubsub
library(jsonlite)
library(googlePubsubR)

# the message with the var1 that will be passed into the Cloud Build via substitution
message <- toJSON(list(var1 = "hello mum"))

# turning into JSON and encoding
send_me <- msg_encode(message)
## Not run: 
# send a PubSub message with the encoded data message
topics_publish(PubsubMessage(send_me), "test-topic")

# did it work? After a while should see logs if it did
cr_buildtrigger_logs("pubsub-triggered-subs")

## End(Not run)