From 7b8e4f5a14489b42f525cb2c76ff1fee022d4609 Mon Sep 17 00:00:00 2001
From: Andrew Shu <talklittle@gmail.com>
Date: Sat, 9 Nov 2024 21:43:40 -0800
Subject: [PATCH] ansible: fix postgresql in Docker

* rm /etc/init.d/postgresql
* enable both the meta unit service (postgresql.service)
  and the cluster service (postgresql@15-main.service)
---
 ansible/roles/postgresql/handlers/main.yml |  8 ++------
 ansible/roles/postgresql/tasks/main.yml    | 21 +++++++++++++++++++--
 ansible/roles/postgresql/tasks/reload.yml  | 10 ++++++++++
 ansible/roles/postgresql/tasks/restart.yml | 10 ++++++++++
 4 files changed, 41 insertions(+), 8 deletions(-)
 create mode 100644 ansible/roles/postgresql/tasks/reload.yml
 create mode 100644 ansible/roles/postgresql/tasks/restart.yml

diff --git a/ansible/roles/postgresql/handlers/main.yml b/ansible/roles/postgresql/handlers/main.yml
index 4a6d976..8e6970d 100644
--- a/ansible/roles/postgresql/handlers/main.yml
+++ b/ansible/roles/postgresql/handlers/main.yml
@@ -1,10 +1,6 @@
 ---
 - name: Restart postgresql
-  service:
-    name: postgresql
-    state: restarted
+  include_tasks: restart.yml
 
 - name: Reload postgresql
-  service:
-    name: postgresql
-    state: reloaded
+  include_tasks: reload.yml
diff --git a/ansible/roles/postgresql/tasks/main.yml b/ansible/roles/postgresql/tasks/main.yml
index 025083d..eb6b339 100644
--- a/ansible/roles/postgresql/tasks/main.yml
+++ b/ansible/roles/postgresql/tasks/main.yml
@@ -3,12 +3,29 @@
   apt:
     name: postgresql-{{ postgresql_version }}
 
-- name: Start and enable PostgreSQL service
-  service:
+- name: Remove postgresql from init.d (may conflict with systemd service)
+  file:
+    path: /etc/init.d/postgresql
+    state: absent
+  when: is_docker
+
+- name: Update rc.d to reflect init.d removal
+  command:
+    cmd: update-rc.d postgresql remove
+  when: is_docker
+
+- name: Start and enable PostgreSQL meta unit service
+  systemd_service:
     name: postgresql
     state: started
     enabled: true
 
+- name: Start and enable PostgreSQL cluster service
+  systemd_service:
+    name: postgresql@{{ postgresql_version }}-main
+    state: started
+    enabled: true
+
 - name: Set configuration options in postgresql.conf
   lineinfile:
     path: /etc/postgresql/{{ postgresql_version }}/main/postgresql.conf
diff --git a/ansible/roles/postgresql/tasks/reload.yml b/ansible/roles/postgresql/tasks/reload.yml
new file mode 100644
index 0000000..69a5cbd
--- /dev/null
+++ b/ansible/roles/postgresql/tasks/reload.yml
@@ -0,0 +1,10 @@
+---
+- name: Reload PostgreSQL meta unit service
+  systemd_service:
+    name: postgresql
+    state: reloaded
+
+- name: Reload PostgreSQL cluster service
+  systemd_service:
+    name: postgresql@{{ postgresql_version }}-main
+    state: reloaded
diff --git a/ansible/roles/postgresql/tasks/restart.yml b/ansible/roles/postgresql/tasks/restart.yml
new file mode 100644
index 0000000..4a1ea8d
--- /dev/null
+++ b/ansible/roles/postgresql/tasks/restart.yml
@@ -0,0 +1,10 @@
+---
+- name: Restart PostgreSQL meta unit service
+  systemd_service:
+    name: postgresql
+    state: restarted
+
+- name: Restart PostgreSQL cluster service
+  systemd_service:
+    name: postgresql@{{ postgresql_version }}-main
+    state: restarted