50 lines
1005 B
Markdown
50 lines
1005 B
Markdown
# Upgrade Postgres major version
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## backup
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- shell into running posgres-auth pod
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```
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export PGPASSWORD="<postgres_password from secret>"
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cd /bitnami/posgresql
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pg_dumpall -U postgres > backup
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```
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- store backup off-site
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```
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kubectl cp keycloak/kubezero-auth-postgresql-0:/bitnami/postgresql/backup postgres-backup
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```
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## upgrade
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- upgrade auth chart
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- set replica of the keycloak statefulSet to 0
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- set replica of the postgres-auth statefulSet to 0
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- delete postgres-auth PVC and POD to flush old DB
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## restore
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- restore replica of postgres-auth statefulSet
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- copy backup to new PVC
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```
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kubectl cp postgres-backup keycloak/kubezero-auth-postgresql-0:/bitnami/postgresql/backup
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```
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- log into psql as admin ( shell on running pod )
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```
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psql -U postgres
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```
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- drop database `keycloak` in case the keycloak instances connected early
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```
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DROP database keycloak
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```
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- actual restore
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```
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psql -U postgres -d postgres -f backup
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```
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- reset replia of keycloak statefulSet or force ArgoCD sync
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success.
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