The docker official images of MariaDB create a .my-healthcheck.cnf file in the datadir so k8s/container services can perform a healthcheck against the current running instances.
Since the mariadb operator now supports galera, it would be good if it works correctly during sst scripts,. The liveness/readiness probes are a waiting feature, but simple enough to implement.
As the test https://github.com/MariaDB/mariadb.org-tools/tree/master/daniel/galera-sst-test shows it starts failing healthcheck tests after being a SST joiner.
donor_1 | 2023-07-17 0:53:18 0 [Note] WSREP: Service thread queue flushed.
|
donor_1 | 2023-07-17 0:53:18 2 [Note] WSREP: ================================================
|
donor_1 | View:
|
donor_1 | id: 2c827540-243c-11ee-9aeb-fa5ebf8c6181:4
|
donor_1 | status: primary
|
donor_1 | protocol_version: 4
|
donor_1 | capabilities: MULTI-MASTER, CERTIFICATION, PARALLEL_APPLYING, REPLAY, ISOLATION, PAUSE, CAUSAL_READ, INCREMENTAL_WS, UNORDERED, PREORDERED, STREAMING, NBO
|
donor_1 | final: no
|
donor_1 | own_index: 0
|
donor_1 | members(2):
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donor_1 | 0: 2c8223b7-243c-11ee-a47c-922634af51d8, b99d1bda4744
|
donor_1 | 1: 3ea2ff70-243c-11ee-ac34-3fa95804b9c5, 3d2cf822b9cb
|
donor_1 | =================================================
|
donor_1 | 2023-07-17 0:53:18 2 [Note] WSREP: wsrep_notify_cmd is not defined, skipping notification.
|
joiner_1 | 2023-07-17 0:53:18 2 [Note] WSREP: ================================================
|
joiner_1 | View:
|
joiner_1 | id: 2c827540-243c-11ee-9aeb-fa5ebf8c6181:4
|
joiner_1 | status: primary
|
joiner_1 | protocol_version: 4
|
joiner_1 | capabilities: MULTI-MASTER, CERTIFICATION, PARALLEL_APPLYING, REPLAY, ISOLATION, PAUSE, CAUSAL_READ, INCREMENTAL_WS, UNORDERED, PREORDERED, STREAMING, NBO
|
joiner_1 | final: no
|
joiner_1 | own_index: 1
|
joiner_1 | members(2):
|
joiner_1 | 0: 2c8223b7-243c-11ee-a47c-922634af51d8, b99d1bda4744
|
joiner_1 | 1: 3ea2ff70-243c-11ee-ac34-3fa95804b9c5, 3d2cf822b9cb
|
joiner_1 | =================================================
|
joiner_1 | 2023-07-17 0:53:18 2 [Note] WSREP: wsrep_notify_cmd is not defined, skipping notification.
|
joiner_1 | 2023-07-17 0:53:18 2 [Note] WSREP: Lowest cert index boundary for CC from group: 4
|
joiner_1 | 2023-07-17 0:53:18 2 [Note] WSREP: Min available from gcache for CC from group: 2
|
donor_1 | 2023-07-17 0:53:18 2 [Note] WSREP: Lowest cert index boundary for CC from group: 4
|
donor_1 | 2023-07-17 0:53:18 2 [Note] WSREP: Min available from gcache for CC from group: 1
|
galera-sst-test_joiner2_1 exited with code 139
|
donor_1 | 2023-07-17 0:53:20 0 [Note] WSREP: (2c8223b7-a47c, 'tcp://0.0.0.0:4567') turning message relay requesting off
|
joiner_1 | 2023-07-17 0:53:21 0 [Note] WSREP: (3ea2ff70-ac34, 'tcp://0.0.0.0:4567') turning message relay requesting off
|
donor_1 | 2023-07-17 0:53:23 0 [Note] WSREP: cleaning up 51570245-b9fd (tcp://10.89.16.68:4567)
|
joiner_1 | 2023-07-17 0:53:24 0 [Note] WSREP: cleaning up 51570245-b9fd (tcp://10.89.16.68:4567)
|
joiner_1 | 2023-07-17 0:53:42 14 [Warning] Access denied for user 'root'@'::1' (using password: NO)
|
joiner_1 | 2023-07-17 0:54:13 15 [Warning] Access denied for user 'root'@'::1' (using password: NO)
|
joiner_1 | 2023-07-17 0:54:44 16 [Warning] Access denied for user 'root'@'::1' (using password: NO)
|
joiner_1 | 2023-07-17 0:55:15 17 [Warning] Access denied for user 'root'@'::1' (using password: NO)
|
joiner_1 | 2023-07-17 0:55:46 18 [Warning] Access denied for user 'root'@'::1' (using password: NO)
|
ref: https://mariadb.com/kb/en/using-healthcheck-sh-script/
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Bug
Minor