Use vars and templates for PostgreSQL backups

files/pg_backup

@@ -1,3 +0,0 @@
-#!/bin/sh -e
-
-sudo -u postgres sh -e -c "mkdir -p /var/lib/postgresql/backups/12/main && umask 077 && pg_dumpall | gzip > /var/lib/postgresql/backups/12/main/$(TZ=UTC date +"%Y_%m_%d_%H_%M_%S").gz"

files/pg_cleanup

@@ -1,3 +0,0 @@
-#!/bin/sh -e
-
-sudo -u postgres sh -e -c "test -d /var/lib/postgresql/backups/12/main && find /var/lib/postgresql/backups/12/main -type f -mtime +35 -exec rm {} \;"

host_vars/postgres.crypto-libertarian.com.yml

@@ -17,6 +17,8 @@ common__certbot__cert_domains:
 common__certbot__post_hook: null
 common__certbot__pre_hook: null
 
+postgresql_backups_dir: '/var/lib/postgresql/backups/12/main'
+
 postgresql_users:
   - name: matrix_synapse
     password: !vault |

playbooks/backup/postgres.yml

@@ -3,7 +3,7 @@
   tasks:
     - name: Find PostgreSQL dumps
       find:
-        paths: '/var/lib/postgresql/backups/12/main'
+        paths: '{{ postgresql_backups_dir }}'
       register: postgresql_dumps
 
     - name: Fetch PostgreSQL dumps

playbooks/deploy/postgres.yml

@@ -10,16 +10,16 @@
     - geerlingguy.postgresql
   tasks:
     - name: Create weekly Cron job for PostgreSQL backup
-      copy:
-        src: ../../files/pg_backup
+      template:
+        src: ../../templates/pg_backup
         dest: /etc/cron.weekly/pg_backup
         mode: 'u=rwx,g=rx,o=rx'
         owner: root
         group: root
 
     - name: Create daily Cron job for PostgreSQL cleanup
-      copy:
-        src: ../../files/pg_cleanup
+      template:
+        src: ../../templates/pg_cleanup
         dest: /etc/cron.daily/pg_cleanup
         mode: 'u=rwx,g=rx,o=rx'
         owner: root

templates/pg_backup

@@ -0,0 +1,3 @@
+#!/bin/sh -e
+
+sudo -u postgres sh -e -c "mkdir -p {{ postgresql_backups_dir }} && umask 077 && pg_dumpall | gzip > {{ postgresql_backups_dir }}/$(TZ=UTC date +"%Y_%m_%d_%H_%M_%S").gz"

templates/pg_cleanup

@@ -0,0 +1,3 @@
+#!/bin/sh -e
+
+sudo -u postgres sh -e -c "test -d {{ postgresql_backups_dir }} && find {{ postgresql_backups_dir }} -type f -mtime +35 -exec rm {} \;"