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Improve PostgreSQL migration 

Just dump and reimport the database, it's easier.
This commit is contained in:
Joshua Boniface 2024-10-29 13:45:22 -04:00
parent cbb2352b01
commit 36fcdd151b
1 changed files with 17 additions and 17 deletions
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34
oneshot/upgrade-pvc-cluster_deb12.yml
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@ -63,6 +63,11 @@
delegate_to: "{{ item }}" delegate_to: "{{ item }}"
loop: "{{ patroni_followers }}" loop: "{{ patroni_followers }}"
- name: perform a backup of the primary
shell:
cmd: "sudo -u postgres /usr/bin/pg_dumpall > upgrade_dump.sql"
chdir: "/var/lib/postgresql"
- name: stop and mask patroni service on leader to perform database upgrade (later) - name: stop and mask patroni service on leader to perform database upgrade (later)
service: service:
name: patroni name: patroni
@ -474,29 +479,14 @@
delegate_to: "{{ patroni_leader }}" delegate_to: "{{ patroni_leader }}"
- block: - block:
- name: initialize new postgres database
shell:
cmd: "sudo -u postgres /usr/lib/postgresql/{{ new_postgres_version }}/bin/initdb -D /var/lib/postgresql/{{ new_postgres_version }}/pvc"
chdir: "/var/lib/postgresql"
- name: enable data checksums in new database
shell:
cmd: "sudo -u postgres /usr/lib/postgresql/{{ new_postgres_version }}/bin/pg_checksums --enable /var/lib/postgresql/{{ new_postgres_version }}/pvc"
chdir: "/var/lib/postgresql"
- name: run postgres upgrade
shell:
cmd: "sudo -u postgres /usr/lib/postgresql/{{ new_postgres_version }}/bin/pg_upgrade -b {{ old_postgres_bin_dir }} -d /var/lib/postgresql/patroni/pvc -D /var/lib/postgresql/{{ new_postgres_version }}/pvc"
chdir: "/var/lib/postgresql"
- name: move old postgres database out of the way - name: move old postgres database out of the way
shell: shell:
cmd: "sudo -u postgres mv /var/lib/postgresql/patroni/pvc /var/lib/postgresql/patroni/pvc.old" cmd: "sudo -u postgres mv /var/lib/postgresql/patroni/pvc /var/lib/postgresql/patroni/pvc.old"
chdir: "/var/lib/postgresql" chdir: "/var/lib/postgresql"
- name: move new postgres database into place - name: initialize new postgres database
shell: shell:
cmd: "sudo -u postgres mv /var/lib/postgresql/{{ new_postgres_version }}/pvc /var/lib/postgresql/patroni/pvc" cmd: "sudo -u postgres /usr/lib/postgresql/{{ new_postgres_version }}/bin/initdb -D /var/lib/postgresql/patroni/pvc"
chdir: "/var/lib/postgresql" chdir: "/var/lib/postgresql"
- name: ensure recovery.conf is absent - name: ensure recovery.conf is absent
@ -519,10 +509,20 @@
become: no become: no
connection: local connection: local
- name: import backup of the primary
shell:
cmd: "sudo -u postgres /usr/bin/psql < upgrade_dump.sql"
chdir: "/var/lib/postgresql"
- name: apply schema updates - name: apply schema updates
shell: /usr/share/pvc/pvc-api-db-upgrade shell: /usr/share/pvc/pvc-api-db-upgrade
ignore_errors: yes ignore_errors: yes
- name: remove temporary backup
file:
dest: /var/lib/postgresql/upgrade_dump.sql
state: absent
run_once: yes run_once: yes
delegate_to: "{{ patroni_leader }}" delegate_to: "{{ patroni_leader }}"