Merge pull request #20 from olo-dw/Add_SystemD

Add systemD

Author: Olivier Locard

tasks/install.yml

@@ -16,11 +16,6 @@
   package:
     name: "{{ haproxy_extra_packages }}"
 
-- name: 'Enable it'
-  service:
-    name: haproxy
-    enabled: yes
-
 - name: 'Ensure chroot directory exists'
   file:
     name: "{{ haproxy_global.chroot }}"

tasks/install/Debian.yml

@@ -1,13 +1,11 @@
 ---
-- name: Add haproxy apt repo (jessie)
+- name: Debian - Ensure haproxy apt repo is added.
   apt_repository:
     repo: "deb http://http.debian.net/debian {{ ansible_distribution_release }} main"
     state: present
     update_cache: yes
-  when: ansible_distribution_release == 'jessie'
 
-- name: Install HAProxy (jessie)
+- name: Debian - Ensure HAProxy is installed.
   apt:
     name: "{{ haproxy_package_name }}"
     default_release: "{{ ansible_distribution_release }}"
-  when: ansible_distribution_release == 'jessie'

tasks/main.yml

@@ -1,5 +1,10 @@
 ---
 - include: install.yml
 
+- include: systemd.yml
+  when: ansible_service_mgr == "systemd"
+
+- include: service.yml
+
 - include: configure.yml
   when: haproxy_manage_config

tasks/service.yml

@@ -0,0 +1,5 @@
+---
+- name: Service - Ensure service is enabled.
+  service:
+    name: haproxy
+    enabled: yes

tasks/systemd.yml

@@ -0,0 +1,25 @@
+---
+- name: Systemd - Ensure service script is present.
+  become: true
+  template:
+    src:  "haproxy.systemd.j2"
+    dest: "/lib/systemd/system/haproxy.service"
+    owner: root
+    group: root
+    mode: 0755
+  register: systemd_service_file
+  notify: restart haproxy
+
+- name: Systemd - Ensure service is linked into /etc/systemd.
+  file:
+    src: "/lib/systemd/system/haproxy.service"
+    dest: "/etc/systemd/system/multi-user.target.wants/haproxy.service"
+    state: link
+
+#
+# Keep systemd-specific bits here instead of pushing a global handler.
+#
+- name: Systemd - Ensure systemd daemon is reloaded.
+  systemd:
+    daemon_reload: yes
+  when: systemd_service_file.changed

templates/haproxy.systemd.j2

@@ -0,0 +1,19 @@
+[Unit]
+Description=HAProxy Load Balancer
+Documentation=man:haproxy(1)
+Documentation=file:/usr/share/doc/haproxy/configuration.txt.gz
+After=network.target syslog.service
+Wants=syslog.service
+
+[Service]
+Environment="CONFIG=/etc/haproxy/haproxy.cfg" "PIDFILE=/run/haproxy.pid"
+EnvironmentFile=-/etc/default/haproxy
+ExecStartPre=/usr/sbin/haproxy -f $CONFIG -c -q $EXTRAOPTS
+ExecStart=/usr/sbin/haproxy-systemd-wrapper -f $CONFIG -p $PIDFILE $EXTRAOPTS
+ExecReload=/usr/sbin/haproxy -f $CONFIG -c -q $EXTRAOPTS
+ExecReload=/bin/kill -USR2 $MAINPID
+KillMode=mixed
+Restart=always
+
+[Install]
+WantedBy=multi-user.target