From 7e1c5cf9b5432a348e49df352708a766c514dc13 Mon Sep 17 00:00:00 2001
From: Emmanuel Cohen <emmanuel@hexack.fr>
Date: Wed, 31 Mar 2021 09:07:42 +0000
Subject: [PATCH] double failover test using postgres-maintenance role, refs
#33389
---
.gitlab-ci.yml | 4 +-
Makefile | 9 +-
.../tests/test_postgres_e_shutdown_primary.py | 21 -----
...t_postgres_f_new_primary_cluster_status.py | 22 -----
.../test_postgres_g_new_primary_write.py | 12 ---
.../test_postgres_h_reintegrate_server.py | 46 -----------
.../test_postgres_i_final_cluster_status.py | 22 -----
.../{ha-pgsql => pgsql-ha}/converge.yml | 0
.../{ha-pgsql => pgsql-ha}/molecule.yml | 2 +
ansible/molecule/pgsql-ha/side_effect.yml | 13 +++
.../pgsql-ha/side_effect_destroy_master.yml | 53 ++++++++++++
.../{ha-pgsql => pgsql-ha}/tests/commons.py | 0
.../tests/test_postgres_a_setup.py | 0
.../tests/test_postgres_b_cluster_status.py | 0
...st_postgres_c_test_cluster_db0_primary.py} | 0
..._postgres_d_test_cluster_db1_secondary.py} | 0
ansible/playbooks/postgres-maintenance.yml | 82 ++-----------------
.../fenced_to_standby.yml | 35 ++++++++
.../rephacheck_status.yml | 14 ++++
.../postgres-maintenance/restart_repmgrd.yml | 14 ++++
.../standby_to_primary.yml | 24 ++++++
21 files changed, 171 insertions(+), 202 deletions(-)
delete mode 100644 ansible/molecule/ha-pgsql/tests/test_postgres_e_shutdown_primary.py
delete mode 100644 ansible/molecule/ha-pgsql/tests/test_postgres_f_new_primary_cluster_status.py
delete mode 100644 ansible/molecule/ha-pgsql/tests/test_postgres_g_new_primary_write.py
delete mode 100644 ansible/molecule/ha-pgsql/tests/test_postgres_h_reintegrate_server.py
delete mode 100644 ansible/molecule/ha-pgsql/tests/test_postgres_i_final_cluster_status.py
rename ansible/molecule/{ha-pgsql => pgsql-ha}/converge.yml (100%)
rename ansible/molecule/{ha-pgsql => pgsql-ha}/molecule.yml (96%)
create mode 100644 ansible/molecule/pgsql-ha/side_effect.yml
create mode 100644 ansible/molecule/pgsql-ha/side_effect_destroy_master.yml
rename ansible/molecule/{ha-pgsql => pgsql-ha}/tests/commons.py (100%)
rename ansible/molecule/{ha-pgsql => pgsql-ha}/tests/test_postgres_a_setup.py (100%)
rename ansible/molecule/{ha-pgsql => pgsql-ha}/tests/test_postgres_b_cluster_status.py (100%)
rename ansible/molecule/{ha-pgsql/tests/test_postgres_c_test_cluster_primary.py => pgsql-ha/tests/test_postgres_c_test_cluster_db0_primary.py} (100%)
rename ansible/molecule/{ha-pgsql/tests/test_postgres_d_test_cluster_secondary.py => pgsql-ha/tests/test_postgres_d_test_cluster_db1_secondary.py} (100%)
create mode 100644 ansible/playbooks/postgres-maintenance/fenced_to_standby.yml
create mode 100644 ansible/playbooks/postgres-maintenance/rephacheck_status.yml
create mode 100644 ansible/playbooks/postgres-maintenance/restart_repmgrd.yml
create mode 100644 ansible/playbooks/postgres-maintenance/standby_to_primary.yml
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8dd3aa96..0d227345 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -103,7 +103,7 @@ stop-ovh-preprod:
script:
- make stop-preprod-ovh
-test-ha-pgsql:
+test-pgsql-ha:
image: registry.ubicast.net/mediaserver/envsetup:root
stage: test-pgsql-ha
tags:
@@ -115,7 +115,7 @@ test-ha-pgsql:
changes:
- ansible/**/*
script:
- - make test ha-pgsql=1
+ - make test pgsql-ha=1
test-mediaserver-ha:
image: registry.ubicast.net/mediaserver/envsetup:root
diff --git a/Makefile b/Makefile
index 29c61748..e32e7bb7 100644
--- a/Makefile
+++ b/Makefile
@@ -18,8 +18,11 @@ endif
ifdef keep
MOLECULE_TEST_FLAGS += --destroy=never --parallel
endif
-ifdef ha-pgsql
- MOLECULE_TEST_FLAGS += --scenario-name ha-pgsql
+ifdef pgsql-ha
+ MOLECULE_TEST_FLAGS += --scenario-name pgsql-ha
+endif
+ifdef mediaserver-ha
+ MOLECULE_TEST_FLAGS += --scenario-name mediaserver-ha
endif
ifdef mediaserver-ha
MOLECULE_TEST_FLAGS += --scenario-name mediaserver-ha
@@ -65,7 +68,7 @@ lint:
ANSIBLE_CONFIG=$(ANSIBLE_CONFIG) $(ANSIBLE_LINT_BIN) ansible/playbooks/site.yml
.PHONY: test
-## test: Run development tests on the project : debug=1, keep=1, SKYREACH_SYSTEM_KEY=<xxx>, ha-pgsql=1
+## test: Run development tests on the project : debug=1, keep=1, SKYREACH_SYSTEM_KEY=<xxx>, pgsql-ha=1
test:
cd ansible; molecule $(MOLECULE_FLAGS) test $(MOLECULE_TEST_FLAGS)
diff --git a/ansible/molecule/ha-pgsql/tests/test_postgres_e_shutdown_primary.py b/ansible/molecule/ha-pgsql/tests/test_postgres_e_shutdown_primary.py
deleted file mode 100644
index 919ea2dd..00000000
--- a/ansible/molecule/ha-pgsql/tests/test_postgres_e_shutdown_primary.py
+++ /dev/null
@@ -1,21 +0,0 @@
-import os
-
-import testinfra.utils.ansible_runner
-
-import time
-
-
-hosts = testinfra.utils.ansible_runner.AnsibleRunner(os.environ["MOLECULE_INVENTORY_FILE"]).get_hosts("postgres")
-testinfra_hosts = [i for i in hosts if i.startswith('db0')]
-
-
-def test_postgresql_check_shutdown_primary(host):
- ''' Shutdown the primary server '''
-
- s = host.ansible("command", "systemctl stop postgresql", become=True, check=False)
- assert s['changed']
-
- time.sleep(40)
-
- s = host.socket("tcp://127.0.0.1:5432")
- assert not s.is_listening
diff --git a/ansible/molecule/ha-pgsql/tests/test_postgres_f_new_primary_cluster_status.py b/ansible/molecule/ha-pgsql/tests/test_postgres_f_new_primary_cluster_status.py
deleted file mode 100644
index 9f9c8edb..00000000
--- a/ansible/molecule/ha-pgsql/tests/test_postgres_f_new_primary_cluster_status.py
+++ /dev/null
@@ -1,22 +0,0 @@
-import os
-
-import testinfra.utils.ansible_runner
-
-import commons
-
-# /!\ This test run accross all servers
-testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(os.environ["MOLECULE_INVENTORY_FILE"]).get_hosts("postgres")
-
-
-def test_postgresql_check_repmgr_new_master(host):
- ''' check repmgr status for each node after new master election '''
-
- if host.ansible.get_variables()["inventory_hostname"].startswith("db0-default"):
- data = commons.get_status(host)
- assert data == "fenced"
- if host.ansible.get_variables()["inventory_hostname"].startswith("db1-default"):
- data = commons.get_status(host)
- assert data == "primary"
- if host.ansible.get_variables()["inventory_hostname"].startswith("db2-default"):
- data = commons.get_status(host)
- assert data == "witness"
diff --git a/ansible/molecule/ha-pgsql/tests/test_postgres_g_new_primary_write.py b/ansible/molecule/ha-pgsql/tests/test_postgres_g_new_primary_write.py
deleted file mode 100644
index 4aa79ed3..00000000
--- a/ansible/molecule/ha-pgsql/tests/test_postgres_g_new_primary_write.py
+++ /dev/null
@@ -1,12 +0,0 @@
-import os
-
-import testinfra.utils.ansible_runner
-
-
-hosts = testinfra.utils.ansible_runner.AnsibleRunner(os.environ["MOLECULE_INVENTORY_FILE"]).get_hosts("postgres")
-testinfra_hosts = [i for i in hosts if i.startswith('db1')]
-
-
-def test_postgresql_insert_new_master(host):
- s = host.ansible("postgresql_query", "db=test query='INSERT INTO test_ha (name) VALUES (\'test2\');'", become=True, check=False, become_user='postgres')
- assert s["changed"]
diff --git a/ansible/molecule/ha-pgsql/tests/test_postgres_h_reintegrate_server.py b/ansible/molecule/ha-pgsql/tests/test_postgres_h_reintegrate_server.py
deleted file mode 100644
index 17e3b486..00000000
--- a/ansible/molecule/ha-pgsql/tests/test_postgres_h_reintegrate_server.py
+++ /dev/null
@@ -1,46 +0,0 @@
-import os
-
-import testinfra.utils.ansible_runner
-import time
-
-hosts = testinfra.utils.ansible_runner.AnsibleRunner(os.environ["MOLECULE_INVENTORY_FILE"]).get_hosts("postgres")
-
-
-testinfra_hosts = [i for i in hosts if i.startswith('db0')]
-
-
-def test_postgresql_delete_data(host):
- ''' delete data directory '''
-
- s = host.ansible("command", "rm -rf /var/lib/postgresql/11/main/", become=True, check=False)
- assert s['changed']
-
-
-def test_postgresql_launch_repmgr_sync(host):
- ''' sync data with primary server using repmgr '''
-
- current_m = [i for i in hosts if i.startswith('db1')]
- #Â print("current master" + current_m[0])
- current_master = testinfra.utils.ansible_runner.AnsibleRunner(os.environ["MOLECULE_INVENTORY_FILE"]).get_host(current_m[0])
- #Â current_master = testinfra.utils.ansible_runner.AnsibleRunner(os.environ["MOLECULE_INVENTORY_FILE"]).get_host("db1-default")
- #Â print(current_master)
- current_master_ip = current_master.interface('eth0').addresses[0]
- rep_mgr_command = "repmgr -f /etc/postgresql/11/main/repmgr.conf --force --verbose standby clone -h " + str(current_master_ip) + " -d repmgr -U repmgr -c"
- s = host.ansible("command", rep_mgr_command, become=True, become_user='postgres', check=False)
- assert s['changed']
-
-
-def test_postgresql_start_postgresql(host):
- ''' start postgresql '''
-
- s = host.ansible("command", "systemctl start postgresql", become=True, check=False)
- time.sleep(20)
- assert s['changed']
-
-
-def test_pogresql_register_as_standby(host):
- ''' register server as standby in repmgr '''
-
- s = host.ansible("command", "repmgr -f /etc/postgresql/11/main/repmgr.conf --force --verbose standby register", become=True, become_user='postgres', check=False)
- time.sleep(20)
- assert s['changed']
diff --git a/ansible/molecule/ha-pgsql/tests/test_postgres_i_final_cluster_status.py b/ansible/molecule/ha-pgsql/tests/test_postgres_i_final_cluster_status.py
deleted file mode 100644
index 558b4028..00000000
--- a/ansible/molecule/ha-pgsql/tests/test_postgres_i_final_cluster_status.py
+++ /dev/null
@@ -1,22 +0,0 @@
-import os
-
-import testinfra.utils.ansible_runner
-
-import commons
-
-# /!\ This test run accross all servers
-testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(os.environ["MOLECULE_INVENTORY_FILE"]).get_hosts("postgres")
-
-
-def test_postgresql_check_status_after_shutdown(host):
- ''' check repmgr status accross server after primary change and server reintegration '''
-
- if host.ansible.get_variables()["inventory_hostname"].startswith("db0"):
- data = commons.get_status(host)
- assert data == "standby"
- if host.ansible.get_variables()["inventory_hostname"].startswith("db1"):
- data = commons.get_status(host)
- assert data == "primary"
- if host.ansible.get_variables()["inventory_hostname"].startswith("db2"):
- data = commons.get_status(host)
- assert data == "witness"
diff --git a/ansible/molecule/ha-pgsql/converge.yml b/ansible/molecule/pgsql-ha/converge.yml
similarity index 100%
rename from ansible/molecule/ha-pgsql/converge.yml
rename to ansible/molecule/pgsql-ha/converge.yml
diff --git a/ansible/molecule/ha-pgsql/molecule.yml b/ansible/molecule/pgsql-ha/molecule.yml
similarity index 96%
rename from ansible/molecule/ha-pgsql/molecule.yml
rename to ansible/molecule/pgsql-ha/molecule.yml
index 06ab89f3..5fd1e88a 100644
--- a/ansible/molecule/ha-pgsql/molecule.yml
+++ b/ansible/molecule/pgsql-ha/molecule.yml
@@ -49,6 +49,8 @@ provisioner:
ANSIBLE_ACTION_PLUGINS: ../../plugins/action
ANSIBLE_PYTHON_INTERPRETER: /usr/bin/python3
SKYREACH_SYSTEM_KEY: s1121eb6e7593525bf3e0302586c82d2
+ playbooks:
+ side_effect: side_effect.yml
verifier:
name: testinfra
#Â options:
diff --git a/ansible/molecule/pgsql-ha/side_effect.yml b/ansible/molecule/pgsql-ha/side_effect.yml
new file mode 100644
index 00000000..b66b60b2
--- /dev/null
+++ b/ansible/molecule/pgsql-ha/side_effect.yml
@@ -0,0 +1,13 @@
+---
+- name: first failover
+ import_playbook: side_effect_destroy_master.yml
+
+# Refresh inventory to have a clean inventory (each server in the initial group)
+- name: refresh inventory
+ hosts: all
+ tasks:
+ - name: refresh inventory
+ meta: refresh_inventory
+
+- name: second failover
+ import_playbook: side_effect_destroy_master.yml
diff --git a/ansible/molecule/pgsql-ha/side_effect_destroy_master.yml b/ansible/molecule/pgsql-ha/side_effect_destroy_master.yml
new file mode 100644
index 00000000..5332953f
--- /dev/null
+++ b/ansible/molecule/pgsql-ha/side_effect_destroy_master.yml
@@ -0,0 +1,53 @@
+---
+- name: stop master node
+ hosts: postgres[0]
+ tasks:
+ - name: stop postgresql
+ service:
+ name: postgresql@11-main
+ state: stopped
+
+- name: pause for 45 seconds
+ hosts: localhost
+ tasks:
+ - pause:
+ seconds: 45
+
+- name: set correct host to correct groups
+ hosts: postgres
+ tasks:
+ - name: add db0 to fenced group
+ add_host:
+ name: "{{ groups['postgres'][0] }}"
+ groups: [ 'postgres_fenced', 'postgres_standby' ]
+
+ - name: add db1 to primary group
+ add_host:
+ name: "{{ groups['postgres'][1] }}"
+ groups: postgres_primary
+
+# db0 is now fenced, import playbook to switch it back to standby
+- import_playbook: ../../playbooks/postgres-maintenance/rephacheck_status.yml
+- import_playbook: ../../playbooks/postgres-maintenance/fenced_to_standby.yml
+
+- name: pause for 45 seconds
+ hosts: localhost
+ tasks:
+ - pause:
+ seconds: 45
+
+# db0 is now standby, import playbook to switch it back as primary
+- import_playbook: ../../playbooks/postgres-maintenance/rephacheck_status.yml
+- import_playbook: ../../playbooks/postgres-maintenance/standby_to_primary.yml
+
+- name: pause for 45 seconds
+ hosts: localhost
+ tasks:
+ - pause:
+ seconds: 45
+
+# db0 is now primary, restart repmgrd
+- import_playbook: ../../playbooks/postgres-maintenance/rephacheck_status.yml
+- import_playbook: ../../playbooks/postgres-maintenance/restart_repmgrd.yml
+
+...
diff --git a/ansible/molecule/ha-pgsql/tests/commons.py b/ansible/molecule/pgsql-ha/tests/commons.py
similarity index 100%
rename from ansible/molecule/ha-pgsql/tests/commons.py
rename to ansible/molecule/pgsql-ha/tests/commons.py
diff --git a/ansible/molecule/ha-pgsql/tests/test_postgres_a_setup.py b/ansible/molecule/pgsql-ha/tests/test_postgres_a_setup.py
similarity index 100%
rename from ansible/molecule/ha-pgsql/tests/test_postgres_a_setup.py
rename to ansible/molecule/pgsql-ha/tests/test_postgres_a_setup.py
diff --git a/ansible/molecule/ha-pgsql/tests/test_postgres_b_cluster_status.py b/ansible/molecule/pgsql-ha/tests/test_postgres_b_cluster_status.py
similarity index 100%
rename from ansible/molecule/ha-pgsql/tests/test_postgres_b_cluster_status.py
rename to ansible/molecule/pgsql-ha/tests/test_postgres_b_cluster_status.py
diff --git a/ansible/molecule/ha-pgsql/tests/test_postgres_c_test_cluster_primary.py b/ansible/molecule/pgsql-ha/tests/test_postgres_c_test_cluster_db0_primary.py
similarity index 100%
rename from ansible/molecule/ha-pgsql/tests/test_postgres_c_test_cluster_primary.py
rename to ansible/molecule/pgsql-ha/tests/test_postgres_c_test_cluster_db0_primary.py
diff --git a/ansible/molecule/ha-pgsql/tests/test_postgres_d_test_cluster_secondary.py b/ansible/molecule/pgsql-ha/tests/test_postgres_d_test_cluster_db1_secondary.py
similarity index 100%
rename from ansible/molecule/ha-pgsql/tests/test_postgres_d_test_cluster_secondary.py
rename to ansible/molecule/pgsql-ha/tests/test_postgres_d_test_cluster_db1_secondary.py
diff --git a/ansible/playbooks/postgres-maintenance.yml b/ansible/playbooks/postgres-maintenance.yml
index 4385d878..b4774ee9 100755
--- a/ansible/playbooks/postgres-maintenance.yml
+++ b/ansible/playbooks/postgres-maintenance.yml
@@ -1,82 +1,16 @@
#!/usr/bin/env ansible-playbook
---
-- name: GATHER FACTS
- hosts: postgres_primary:postgres_standby:postgres_fenced
- tags: always
- tasks:
- - name: get cluster state
- command: "rephacheck"
- register: rephacheck
- - name: show status for each node
- debug:
- msg: "Current node {{ ansible_hostname }} status {{ rephacheck['stdout'] }}"
- when: rephacheck['stdout'] != ""
+- import_playbook: postgres-maintenance/rephacheck_status.yml
+ tags: [ 'always' ]
-- name: POSTGRESQL SWITCH CURRENT STANDBY TO PRIMARY
- hosts: postgres_standby
- tags: [ 'never', 'standby-to-primary' ]
- tasks:
- - name: fail if node status if not standby
- fail:
- msg: "Current status {{ rephacheck['stdout'] }} must be standby."
- when: rephacheck['stdout'] != "standby"
- - name: check if node is currently in standby
- command: "repmgr standby switchover -f /etc/postgresql/11/main/repmgr.conf --siblings-follow --dry-run"
- become: true
- become_user: postgres
- when: rephacheck['stdout'] == "standby"
- register: standby_dry_run
- - name: switch standby node to primary
- command: "repmgr standby switchover -f /etc/postgresql/11/main/repmgr.conf --siblings-follow"
- become: true
- become_user: postgres
- when:
- - standby_dry_run is succeeded
- - rephacheck['stdout'] == "standby"
-
-- name: POSTGRESQL SWITCH CURRENT FENCED TO STANDBY
- hosts: postgres_fenced
+- import_playbook: postgres-maintenance/fenced_to_standby.yml
tags: [ 'never', 'fenced-to-standby' ]
- tasks:
- - name: fail if node status if not fenced
- fail:
- msg: "Current status {{ rephacheck['stdout'] }} must be fenced."
- when: rephacheck['stdout'] != "fenced"
- - name: stop postgresql
- systemd:
- name: postgresql
- state: stopped
- - name: delete postgresql data directory
- file:
- path: /var/lib/postgresql/11/main/
- state: absent
- force: true
- - name: copy data from primary
- command: "repmgr -f /etc/postgresql/11/main/repmgr.conf --force --verbose standby clone -h {{ hostvars[groups['postgres_primary'][0]]['ansible_default_ipv4']['address'] }} -d repmgr -U repmgr -c"
- become: true
- become_user: postgres
- register: copy_from_primary
- - name: start postgresql
- systemd:
- name: postgresql
- state: started
- when: copy_from_primary is succeeded
- - name: register node as standby
- command: "repmgr -f /etc/postgresql/11/main/repmgr.conf --force --verbose standby register"
- become: true
- become_user: postgres
- when: copy_from_primary is succeeded
-- name: REPMGRD RESTART
- hosts: postgres
+- import_playbook: postgres-maintenance/standby_to_primary.yml
+ tags: [ 'never', 'standby-to-primary' ]
+
+- import_playbook: postgres-maintenance/restart_repmgrd.yml
tags: [ 'never', 'restart-repmgrd', 'standby-to-primary' ]
- tasks:
- - name: kill repmgrd
- command: "pkill repmgrd"
- ignore_errors: true
- - name: restart repmgrd
- systemd:
- name: repmgrd
- state: restarted
+
...
diff --git a/ansible/playbooks/postgres-maintenance/fenced_to_standby.yml b/ansible/playbooks/postgres-maintenance/fenced_to_standby.yml
new file mode 100644
index 00000000..f4b19d1a
--- /dev/null
+++ b/ansible/playbooks/postgres-maintenance/fenced_to_standby.yml
@@ -0,0 +1,35 @@
+#!/usr/bin/env ansible-playbook
+---
+- name: POSTGRESQL SWITCH CURRENT FENCED TO STANDBY
+ hosts: postgres_fenced
+ tasks:
+ - name: fail if node status if not fenced
+ fail:
+ msg: "Current status {{ rephacheck['stdout'] }} must be fenced."
+ when: rephacheck['stdout'] != "fenced"
+ - name: stop postgresql
+ systemd:
+ name: postgresql
+ state: stopped
+ - name: delete postgresql data directory
+ file:
+ path: /var/lib/postgresql/11/main/
+ state: absent
+ force: true
+ - name: copy data from primary
+ command: "repmgr -f /etc/postgresql/11/main/repmgr.conf --force --verbose standby clone -h {{ hostvars[groups['postgres_primary'][0]]['ansible_default_ipv4']['address'] }} -d repmgr -U repmgr -c"
+ become: true
+ become_user: postgres
+ register: copy_from_primary
+ - name: start postgresql
+ systemd:
+ name: postgresql
+ state: started
+ when: copy_from_primary is succeeded
+ - name: register node as standby
+ command: "repmgr -f /etc/postgresql/11/main/repmgr.conf --force --verbose standby register"
+ become: true
+ become_user: postgres
+ when: copy_from_primary is succeeded
+
+...
diff --git a/ansible/playbooks/postgres-maintenance/rephacheck_status.yml b/ansible/playbooks/postgres-maintenance/rephacheck_status.yml
new file mode 100644
index 00000000..b22dec19
--- /dev/null
+++ b/ansible/playbooks/postgres-maintenance/rephacheck_status.yml
@@ -0,0 +1,14 @@
+#!/usr/bin/env ansible-playbook
+---
+- name: REHACHECK STATUS
+ hosts: postgres_primary:postgres_standby:postgres_fenced
+ tasks:
+ - name: get cluster state
+ command: "rephacheck"
+ register: rephacheck
+ - name: show status for each node
+ debug:
+ msg: "Current node {{ ansible_hostname }} status {{ rephacheck['stdout'] }}"
+ when: rephacheck['stdout'] != ""
+
+...
diff --git a/ansible/playbooks/postgres-maintenance/restart_repmgrd.yml b/ansible/playbooks/postgres-maintenance/restart_repmgrd.yml
new file mode 100644
index 00000000..4753a56a
--- /dev/null
+++ b/ansible/playbooks/postgres-maintenance/restart_repmgrd.yml
@@ -0,0 +1,14 @@
+#!/usr/bin/env ansible-playbook
+---
+- name: REPMGRD RESTART
+ hosts: postgres
+ tasks:
+ - name: kill repmgrd
+ command: "pkill repmgrd"
+ ignore_errors: true
+ - name: restart repmgrd
+ systemd:
+ name: repmgrd
+ state: restarted
+
+...
diff --git a/ansible/playbooks/postgres-maintenance/standby_to_primary.yml b/ansible/playbooks/postgres-maintenance/standby_to_primary.yml
new file mode 100644
index 00000000..bfce1c64
--- /dev/null
+++ b/ansible/playbooks/postgres-maintenance/standby_to_primary.yml
@@ -0,0 +1,24 @@
+#!/usr/bin/env ansible-playbook
+---
+- name: POSTGRESQL SWITCH CURRENT STANDBY TO PRIMARY
+ hosts: postgres_standby
+ tasks:
+ - name: fail if node status if not standby
+ fail:
+ msg: "Current status {{ rephacheck['stdout'] }} must be standby."
+ when: rephacheck['stdout'] != "standby"
+ - name: check if node is currently in standby
+ command: "repmgr standby switchover -f /etc/postgresql/11/main/repmgr.conf --siblings-follow --dry-run"
+ become: true
+ become_user: postgres
+ when: rephacheck['stdout'] == "standby"
+ register: standby_dry_run
+ - name: switch standby node to primary
+ command: "repmgr standby switchover -f /etc/postgresql/11/main/repmgr.conf --siblings-follow"
+ become: true
+ become_user: postgres
+ when:
+ - standby_dry_run is succeeded
+ - rephacheck['stdout'] == "standby"
+
+...
--
GitLab