From 03516109aa1179a469de8aa10166583db21dbd59 Mon Sep 17 00:00:00 2001
From: "Antonio J. Delgado" <ad@susurrando.com>
Date: Sat, 8 Apr 2023 14:23:04 +0300
Subject: [PATCH] Chagne cron for system units

---
 defaults/main.yml                   |  3 ++-
 tasks/configure.yml                 | 28 ++++++++++++++++++++++++++++
 templates/ping_wg_server.service.j2 | 13 +++++++++++++
 templates/ping_wg_server.timer.j2   |  7 +++++++
 4 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 templates/ping_wg_server.service.j2
 create mode 100644 templates/ping_wg_server.timer.j2

diff --git a/defaults/main.yml b/defaults/main.yml
index 044de6b..c06d8fd 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -5,5 +5,6 @@ privatekey: ''
 interface_name: wg0
 server_publickey: ''
 server_address: '192.168.2.1'
+ping_schedule: 1h
 endpoint: ''
-dns: '1.1.1.1'
\ No newline at end of file
+dns: '1.1.1.1'
diff --git a/tasks/configure.yml b/tasks/configure.yml
index 59cb306..4f60444 100644
--- a/tasks/configure.yml
+++ b/tasks/configure.yml
@@ -47,6 +47,34 @@
 - name: Ensure cron to ping VPN server exists
   cron:
     name: Ping Hiljainen
+    state: absent
     job: ping -c 3 192.168.2.4 &> /dev/null
     hour: '1'
     user: gestor
+
+- name: Ensure service unit to ping server exists
+  template:
+    src: templates/ping_wg_server.service.j2
+    dest: '/etc/systemd/system/ping_wg_server.service'
+    backup: yes
+
+- name: Ensure timer unit to ping server exists
+  template:
+    src: templates/ping_wg_server.timer.j2
+    dest: '/etc/systemd/system/ping_wg_server.timer'
+    backup: yes
+
+- name: Ensure ping systemd service unit is enabled
+  systemd:
+    name: ping_wg_server.service
+    enabled: true
+    daemon_reload: true
+    masked: false
+
+- name: Ensure ping systemd timer unit is enabled
+  systemd:
+    name: ping_wg_server.timer
+    state: started
+    enabled: true
+    daemon_reload: true
+    masked: false
diff --git a/templates/ping_wg_server.service.j2 b/templates/ping_wg_server.service.j2
new file mode 100644
index 0000000..7d86e59
--- /dev/null
+++ b/templates/ping_wg_server.service.j2
@@ -0,0 +1,13 @@
+[Unit]
+After=network.target
+Wants=nss-lookup.target
+Before=nss-lookup.target
+OnFailure=status_email_antoniodelgado@%n.service
+
+[Service]
+Type=simple
+User=gestor
+ExecStart=ping -c 3 {{ server_address }}
+
+[Install]
+WantedBy=multi-user.target
diff --git a/templates/ping_wg_server.timer.j2 b/templates/ping_wg_server.timer.j2
new file mode 100644
index 0000000..6b3e55d
--- /dev/null
+++ b/templates/ping_wg_server.timer.j2
@@ -0,0 +1,7 @@
+[Timer]
+OnBootSec={{ ping_schedule }}
+OnUnitActiveSec={{ ping_schedule }}
+Unit=ping_wg_server.service
+
+[Install]
+WantedBy=timers.target