adjust playbook to check and restart service

Merges https://pagure.io/fedora-infra/ansible/pull-request/178
Fixes https://pagure.io/fedora-infrastructure/issue/9161

playbooks/checks_log_failed_services.yml

@@ -0,0 +1,22 @@
+#
+# This playbook lets you safely display systemd logs for failed services
+
+- hosts: mirrorlist_proxies
+  gather_facts: false
+
+  tasks:
+    - name: listing failed units
+      shell: systemctl list-units --state failed --no-legend | awk  '{ print $1 }'
+      register: listing_failed
+
+    - name: check log with journalctl
+      shell: journalctl -lru {{ item }} -n 50
+      register: display_log
+      with_items: "{{ listing_failed.stdout_lines[0:] }}"
+
+    - debug: var=listing_failed.stdout_lines[0:]
+
+    - name: display log
+      debug: var=display_log.stdout_lines
+      ignore_errors: true
+      when: display_log is defined

playbooks/restart_when_failed.yml

@@ -0,0 +1,31 @@
+# This playbook lets you safely display systemd logs for failed services
+# and then restart it
+
+- hosts: mirrorlist_proxies
+  gather_facts: false
+
+  tasks:
+    - name: listing failed units
+      shell: systemctl list-units --state failed --no-legend | awk  '{ print $1 }'
+      register: listing_failed
+
+    - name: check log with journalctl
+      shell: journalctl -lru {{ item }} -n 50
+      register: display_log
+      with_items: "{{ listing_failed.stdout_lines[0:] }}"
+
+    - debug: var=listing_failed.stdout_lines[0:]
+
+    - name: display log
+      debug: var=display_log.stdout_lines
+      ignore_errors: true
+      when: display_log is defined
+
+    - name: restart failed service
+      systemd:
+        name: "{{ item }}"
+        state: restarted
+      with_items: "{{ listing_failed.stdout_lines[0:] }}"
+      register: restart_service
+
+    - debug: var=restart_service.stdout_lines