mystamps-backup: configure cron to backup data to a remote host by using duplicity.

Fix #418

Author: php-coder

src/main/config/cron/mystamps-backup-remote

@@ -0,0 +1,6 @@
+# /etc/cron.d/mystamps-backup-remote file for backuping my-stamps.ru data to remote host
+MAILTO=coder
+#
+# min	hour	dom		mon		dow		user		command
+45	0	*		*		*		mystamps	duplicity --name=uploads --no-compression --no-encryption /data/uploads {{ uploads_target_url }} 2>&1
+50	0	*		*		*		mystamps	PASSPHRASE='{{ gpg_passphrase }}' duplicity --name=mysql-backups --no-compression /data/backups {{ mysql_backups_target_url }} 2>&1

vagrant/provisioning/roles/mystamps-backup/defaults/main.yml

@@ -1,2 +1,8 @@
 ---
 user_db_password: p@ssword
+# Target urls should be in a format that is supported by duplicity(1):
+# http://www.nongnu.org/duplicity/duplicity.1.html#sect7
+uploads_target_url: file:///tmp/uploads
+mysql_backups_target_url: file:///tmp/mysql-backups
+# Passphrase for GPG to encrypt archives
+gpg_passphrase:

vagrant/provisioning/roles/mystamps-backup/tasks/main.yml

@@ -33,3 +33,33 @@
     path: /etc/cron.d/mystamps
     state: absent
 
+- name: Installing duplicity
+  apt:
+    package: duplicity
+    state: present
+
+- name: Creating /etc/duplicity directory
+  file:
+    path: /etc/duplicity
+    state: directory
+    owner: root
+    group: root
+    mode: '0755'
+
+- name: Downloading /etc/duplicity/cacert.pem
+  command: curl https://curl.haxx.se/ca/cacert.pem -o cacert.pem
+  args:
+    chdir: /etc/duplicity
+    creates: /etc/duplicity/cacert.pem
+    warn: no
+
+- name: Creating a cron task for backup to a remote host
+  template:
+    src: ../../src/main/config/cron/mystamps-backup-remote
+    dest: /etc/cron.d/mystamps-backup-remote
+    force: yes
+    backup: no
+    owner: root
+    group: root
+    mode: '0600'
+