Add rule to make smartd mail to the admin if disks crash

* enable smartd
* scan discs every night
* mail if discs get corrupt

group_vars/all

@@ -48,3 +48,4 @@ userinstall_vars:
         - {name: "gethmann", password: "$6$HEmrpe9IMPI7nwxK$7VyjN.1tf/bJ2JJUeXQa.HEK3PFB1ggUVqpvMD0M/b/Ln.8QkzSMit9xukPaNhVg4caTnQBmcn1DXVwbfCmJt."}
         - {name: "bernhard", password: "$6$Q9NiWWvweGVfXXUP$6jhQWNGEs1f/RZc2aeDJ4Wv7huT5eAyW/uO0hOr8Yzi.h5Sa149LDpzp6utQI2VbnKF6O7TfpZeoKHFaNKGY51"}
 
+admin_mail: gethmann@kit.edu

roles/common/handlers/main.yml

@@ -66,3 +66,15 @@
   service:
     name: ufw
     state: restarted
+
+- name: enable smartd
+  become: yes
+  service:
+    name: smartd
+    state: enabled
+
+- name: restart smartd
+  become: yes
+  service:
+    name: smartd
+    state: restarted

roles/common/meta/main.yml

+---
+dependencies:
+  - { role: mail }

roles/common/tasks/main.yml

@@ -9,3 +9,5 @@
 - include: yumrepos.yml
   tags: lasrepo
 - include: software.yml
+- include: smartd.yml
+  tags: smartd

roles/common/tasks/smartd.yml

+---
+- name: install smartd
+  become: yes
+  package:
+    name: smartmontools
+    state: installed
+  notify:
+    - enable smartd
+    - restart smartd
+
+- name: configure smartd on Fedora/CentOS
+  become: yes
+  lineinfile:
+    line: "DEVICESCAN -H -m {{ admin_mail }} -M exec /usr/libexec/smartmontools/smartdnotify -n standby,10,q -s (S/../.././02|L/../../6/03) -W 4,35,40"
+    regexp: ^DEVICESCAN .*$
+    backup: yes
+    path: /etc/smartmontools/smartd.conf
+  notify:
+    - enable smartd
+    - restart smartd
+  when: (ansible_distribution == "Fedora" or ansible_distribution == "CentOS")

roles/mail/tasks/main.yml

+---
+- name: install ssmtp and mailx
+  become: yes
+  package:
+    name: "{{ item }}"
+    state: installed
+  with_items:
+    - ssmtp
+    - mailx
+
+- name: configure ssmtp user
+  become: yes
+  lineinfile:
+    line: "{{ item }}={{ admin_mail }}"
+    regexp: "^{{ item }}=.*$"
+    backup: yes
+    path: /etc/ssmtp/ssmtp.conf
+    state: present
+  with_items:
+    - root
+    - postmaster
+
+- name: configure ssmtp mailhub
+  become: yes
+  lineinfile:
+    line: mailhub=smarthost.kit.edu
+    regexp: ^mailhub=.*$
+    backup: yes
+    path: /etc/ssmtp/ssmtp.conf
+    state: present
+
+- name: configure ssmtp alias for root
+  become: yes
+  lineinfile:
+    line: "root:{{ admin_mail }}:smarthost.kit.edu"
+    regexp: ^root:.*$
+    backup: yes
+    path: /etc/ssmtp/revaliases
+    state: present