Fix/standby backup guard async repl 16#1588
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create-backup and list-backups cannot succeed on a standby cluster, whose data is managed by replication from the primary, but they were not stopped up front — users hit confusing late failures instead of being told to run on the primary. Reject them early when the unit belongs to a standby cluster. The check keys on the promoted cluster, not merely the presence of a replication relation, so the primary still backs up while replication is active; restore stays blocked on any replicating cluster, unchanged. Signed-off-by: Marcelo Henrique Neppel <marcelo.neppel@canonical.com>
…e units During async replication setup the relation can briefly exist with no remote units published. In that window, re-emitting the relation-changed event raised StopIteration and cluster promotion could act on a missing relation, crashing the hook. Guard both paths so these transient states are handled instead of erroring. Signed-off-by: Marcelo Henrique Neppel <marcelo.neppel@canonical.com>
Add end-to-end coverage that a standby cluster rejects backup actions while the primary still backs up, against Ceph-backed S3. The microceph host IP now uses a non-loopback address so the RGW endpoint is reachable from workloads. Signed-off-by: Marcelo Henrique Neppel <marcelo.neppel@canonical.com>
…-guard-async-repl-16 Signed-off-by: Marcelo Henrique Neppel <marcelo.neppel@canonical.com>
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The 600s wait for the second cluster's s3-integrator to reach blocked status times out on the resource-constrained arm64 CI runner (two 3-unit clusters plus microceph contend for ~16GB), while the same test passes on amd64. Raise this wait to 15 minutes — it is the shortest wait in the test, the others already allow 20-30 minutes. Signed-off-by: Marcelo Henrique Neppel <marcelo.neppel@canonical.com>
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