My problem is similar to the problem in the link above, but I cannot understand the workaround of it, can anyone give some specific steps to workaround this?
2024-02-24T13:36:07.130Z [container-agent] 2024-02-24 13:36:07 INFO juju.worker.uniter resolver.go:161 awaiting error resolution for "start" hook
2024-02-24T13:36:07.773Z [container-agent] 2024-02-24 13:36:07 INFO juju-log Running legacy hooks/start.
2024-02-24T13:36:10.153Z [container-agent] 2024-02-24 13:36:10 ERROR juju-log Failed to bootstrap router
2024-02-24T13:36:10.153Z [container-agent] logged_command=['--bootstrap', 'relation-97:***@cinder-mysql-primary.openstack.svc.cluster.local:3306', '--strict', '--conf-set-option', 'http_server.bind_address=127.0.0.1', '--conf-use-gr-notifications']
2024-02-24T13:36:10.153Z [container-agent] stderr:
2024-02-24T13:36:10.153Z [container-agent] Error: It appears that a router instance named 'system' has been previously configured in this host. If that instance no longer exists, use the --force option to overwrite it.
2024-02-24T13:36:10.153Z [container-agent]
2024-02-24T13:36:10.153Z [container-agent]
2024-02-24T13:36:10.164Z [container-agent] 2024-02-24 13:36:10 ERROR juju-log Uncaught exception while in charm code:
2024-02-24T13:36:10.164Z [container-agent] Traceback (most recent call last):
2024-02-24T13:36:10.164Z [container-agent] File "/var/lib/juju/agents/unit-cinder-ceph-mysql-router-0/charm/./src/kubernetes_charm.py", line 185, in <module>
2024-02-24T13:36:10.164Z [container-agent] ops.main.main(KubernetesRouterCharm)
2024-02-24T13:36:10.164Z [container-agent] File "/var/lib/juju/agents/unit-cinder-ceph-mysql-router-0/charm/venv/ops/main.py", line 441, in main
2024-02-24T13:36:10.164Z [container-agent] _emit_charm_event(charm, dispatcher.event_name)
2024-02-24T13:36:10.164Z [container-agent] File "/var/lib/juju/agents/unit-cinder-ceph-mysql-router-0/charm/venv/ops/main.py", line 149, in _emit_charm_event
2024-02-24T13:36:10.164Z [container-agent] event_to_emit.emit(*args, **kwargs)
2024-02-24T13:36:10.164Z [container-agent] File "/var/lib/juju/agents/unit-cinder-ceph-mysql-router-0/charm/venv/ops/framework.py", line 344, in emit
2024-02-24T13:36:10.164Z [container-agent] framework._emit(event)
2024-02-24T13:36:10.164Z [container-agent] File "/var/lib/juju/agents/unit-cinder-ceph-mysql-router-0/charm/venv/ops/framework.py", line 841, in _emit
2024-02-24T13:36:10.164Z [container-agent] self._reemit(event_path)
2024-02-24T13:36:10.164Z [container-agent] File "/var/lib/juju/agents/unit-cinder-ceph-mysql-router-0/charm/venv/ops/framework.py", line 930, in _reemit
2024-02-24T13:36:10.164Z [container-agent] custom_handler(event)
2024-02-24T13:36:10.164Z [container-agent] File "/var/lib/juju/agents/unit-cinder-ceph-mysql-router-0/charm/src/abstract_charm.py", line 254, in reconcile
2024-02-24T13:36:10.164Z [container-agent] workload_.enable(tls=self._tls_certificate_saved, unit_name=self.unit.name)
2024-02-24T13:36:10.164Z [container-agent] File "/var/lib/juju/agents/unit-cinder-ceph-mysql-router-0/charm/src/workload.py", line 231, in enable
2024-02-24T13:36:10.164Z [container-agent] self._bootstrap_router(tls=tls)
2024-02-24T13:36:10.164Z [container-agent] File "/var/lib/juju/agents/unit-cinder-ceph-mysql-router-0/charm/src/workload.py", line 203, in _bootstrap_router
2024-02-24T13:36:10.164Z [container-agent] raise Exception("Failed to bootstrap router") from None
2024-02-24T13:36:10.164Z [container-agent] Exception: Failed to bootstrap router
2024-02-24T13:36:10.453Z [container-agent] 2024-02-24 13:36:10 ERROR juju.worker.uniter.operation runhook.go:180 hook "start" (via hook dispatching script: dispatch) failed: exit status 1