Implemented systemd-email.service for native-pull-remote-backups

roles/native-pull-remote-backups/meta/main.yml

@@ -1,2 +1,3 @@
 dependencies:
   - native-git
+  - native-systemd-email

roles/native-pull-remote-backups/templates/pull-remote-backups.service

@@ -4,3 +4,4 @@ Description=pull remote backups
 [Service]
 Type=oneshot
 ExecStart=/usr/bin/bash /usr/local/bin/pull-remote-backups.sh
+OnFailure=systemd-email@%n.service

roles/native-systemd-email/readme.md

@@ -0,0 +1,6 @@
+# native-systemd-mail
+
+# see
+- https://wiki.archlinux.org/index.php/Systemd/Timers#MAILTO
+- https://serverfault.com/questions/876233/how-to-send-an-email-if-a-systemd-service-is-restarted/876254
+- https://serverfault.com/questions/694818/get-notification-when-systemd-monitored-service-enters-failed-state

roles/native-systemd-email/tasks/main.yml

@@ -0,0 +1,11 @@
+- name: install smtp-forwarder
+  pacman: name=smtp-forwarder state=present
+
+- name: configure msmtprc.conf.j2
+  template: src=msmtprc.conf.j2 dest=/root/.msmtprc
+
+- name: configure systemd-email.sh
+  template: src=systemd-email.sh.j2 dest=/usr/local/bin/systemd-email.sh
+
+- name: configure systemd-email.service
+  template: src=systemd-email.service.j2 dest=/etc/systemd/system/systemd-email.service

roles/native-systemd-email/templates/msmtprc.conf.j2

@@ -0,0 +1,15 @@
+# Set default values for all following accounts.
+defaults
+auth           on
+tls            on
+tls_trust_file /etc/ssl/certs/ca-certificates.crt
+logfile        ~/.msmtp.log
+
+account        system_email
+host           {{system_email_host}}
+port           587
+from           {{system_email}}
+user           {{system_email_username}}
+password       {{system_email_password}}
+
+account default : system_email

roles/native-systemd-email/templates/systemd-email.service.j2

@@ -0,0 +1,8 @@
+[Unit]
+Description=status email for %i to user
+
+[Service]
+Type=oneshot
+ExecStart=/usr/local/bin/systemd-email.sh %i
+User=nobody
+Group=systemd-journal

roles/native-systemd-email/templates/systemd-email.sh.j2

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+/usr/bin/sendmail -t <<ERRMAIL
+To: {{administrator_email}}
+From: systemd <{{system_email}}>
+Subject: $1
+Content-Transfer-Encoding: 8bit
+Content-Type: text/plain; charset=UTF-8
+
+$(systemctl status --full "$1")
+ERRMAIL