playbook: Enable sysstat by default.

playbook/roles/sysstat/handlers/main.yml

+---
+
+- name: Restart sysstat
+  service:
+    name: 'sysstat'
+    state: 'restarted'

playbook/roles/sysstat/meta/main.yml

+---
+dependencies:
+  - { role: package, package_name: sysstat, package_state: latest }

playbook/roles/sysstat/tasks/main.yml

+---
+  - name: Enable sysstat
+    lineinfile: regexp='^ENABLED="false"' line='ENABLED="true"' dest=/etc/default/sysstat
+    notify: [ 'Restart sysstat' ]

playbook/vifib-upgrade.yml

@@ -16,7 +16,6 @@
     - { role: package, package_name: openssl, package_state: latest }
     - { role: package, package_name: ca-certificates, package_state: latest }
     - { role: package, package_name: openssh-server, package_state: latest }
-    - { role: package, package_name: sysstat, package_state: latest }
     - { role: package, package_name: strace, package_state: latest }
     - { role: package, package_name: htop, package_state: latest }
     - { role: package, package_name: ioping, package_state: latest }
@@ -27,3 +26,4 @@
     - vifib-team-ssh-key
     - vifib-server
     - rsyslogd
+    - sysstat