ha: add support for specifying the lock namespace #832
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When HA mode is enabled, the leader lock must be managed in a specific namespace, but when setting the
nomad.namespace
configuration to the wildcard*
value the Nomad API client was trying to write to this namespace value, which is not allowed.This commit adds a new
high_availability.lock_namespace
configuration to allow operators to specify the exact lock variable namespace.Closes #828.