kubernetes-sigs / lws / 36941438876

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Pull #1126

github

Name hash worker StatefulSets after the leader host name

A hash leader has no pod name at admission, so its TPU_WORKER_HOSTNAMES listed workers as -1.<subdomain> and TPU_NAME was empty. Naming the worker StatefulSet after the leader host name, which admission sets, lets the leader compute its workers' names. Worker StatefulSets are now looked up by the leader host name in both modes, since it equals the pod name in Ordinal mode.

Same change as #1112 on release-0.11, plus the Group Identity docs.

Signed-off-by: Benjamin Braun <benjaminbraun@google.com>

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