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v4

latestOpenAPI 3.1.0MIT2026-08-04193459793.6 KB
RolloutService

Start a rollout

Starts a pending rollout and begins its configured traffic-shifting workflow.

post/projects/{projectId}/endpoints/{endpointId}/rollouts/{id}/start

Path parameters

projectIdstring required

Project identifier.

endpointIdstring required

Endpoint identifier.

idstring required

Rollout identifier.

Response

OK

idstring required

Output only. Unique rollout identifier.

endpointIdstring required

Output only. Endpoint this rollout belongs to.

sourceDeploymentIdstring required

Output only. Deployment that traffic is shifting away from.

targetDeploymentIdstring required

Output only. Deployment that traffic is shifting toward.

strategy'ROLLOUT_STRATEGY_TYPE_ROLLING' | 'ROLLOUT_STRATEGY_TYPE_CANARY' | 'ROLLOUT_STRATEGY_TYPE_BLUE_GREEN' required

Output only. Rollout strategy selected at creation.

state'ROLLOUT_STATE_RUNNING' | 'ROLLOUT_STATE_PAUSED' | 'ROLLOUT_STATE_STABILIZING' | 'ROLLOUT_STATE_ABORTING' | 'ROLLOUT_STATE_COMPLETED' | 'ROLLOUT_STATE_ABORTED' | 'ROLLOUT_STATE_PENDING' | 'ROLLOUT_STATE_SYSTEM_PAUSED' | 'ROLLOUT_STATE_CANCELLING' | 'ROLLOUT_STATE_CANCELED' | 'ROLLOUT_STATE_PAUSING' required

Output only. High-level rollout lifecycle state.

currentStepinteger

Output only. Zero-based index of the current step. Unset while PENDING; step 0 is reported explicitly after start.

currentTrafficPercentinteger

Output only. Applied percentage of traffic on the target deployment.

createdAtstring date-time required

Output only. Timestamp when the rollout was created.

startedAtstring date-time

Output only. Timestamp when the rollout started running.

completedAtstring date-time

Output only. Timestamp when the rollout reached a terminal state.

etagstring

Output only. Opaque version tag for optimistic concurrency control.