Compute Engine v1 API - Enum BackendService.Types.ExternalManagedMigrationState (3.26.0)
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Reference documentation and code samples for the Compute Engine v1 API enum BackendService.Types.ExternalManagedMigrationState.
Specifies the canary migration state. Possible values are PREPARE,
TEST_BY_PERCENTAGE, and TEST_ALL_TRAFFIC.
To begin the migration from EXTERNAL to EXTERNAL_MANAGED, the state must be
changed to PREPARE. The state must be changed to TEST_ALL_TRAFFIC before
the loadBalancingScheme can be changed to EXTERNAL_MANAGED. Optionally, the
TEST_BY_PERCENTAGE state can be used to migrate traffic by percentage using
externalManagedMigrationTestingPercentage.
Rolling back a migration requires the states to be set in reverse order. So
changing the scheme from EXTERNAL_MANAGED to EXTERNAL requires the state to
be set to TEST_ALL_TRAFFIC at the same time. Optionally, the
TEST_BY_PERCENTAGE state can be used to migrate some traffic back to
EXTERNAL or PREPARE can be used to migrate all traffic back to EXTERNAL.
[[["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"]],["Last updated 2026-03-17 UTC."],[],[]]
