From 88779966a1c2ba23af97fe32e1ddf04ee0709908 Mon Sep 17 00:00:00 2001
From: Adam Sclafani <adam.sclafani15@gmail.com>
Date: Sun, 6 Sep 2020 13:00:54 -1000
Subject: [PATCH] add webapp restarter daemon

---
 roles/lokole/tasks/install.yml              | 11 +++++++++++
 roles/lokole/tasks/main.yml                 |  7 +++++++
 roles/lokole/templates/restarter.service.j2 | 10 ++++++++++
 roles/lokole/templates/webapp-restart.sh.j2 |  5 +++++
 4 files changed, 33 insertions(+)
 create mode 100644 roles/lokole/templates/restarter.service.j2
 create mode 100644 roles/lokole/templates/webapp-restart.sh.j2

diff --git a/roles/lokole/tasks/install.yml b/roles/lokole/tasks/install.yml
index 05ae02fa8..c436ea6d0 100644
--- a/roles/lokole/tasks/install.yml
+++ b/roles/lokole/tasks/install.yml
@@ -93,6 +93,12 @@
     dest: "{{ lokole_run_directory }}/run-celery.sh"
     mode: a+x
 
+- name: Install {{ lokole_run_directory }}/webapp-restart.sh from template
+  template:
+    src: webapp-restart.sh.j2
+    dest: "{{ lokole_run_directory }}/webapp-restart.sh"
+    mode: a+x
+
 - name: Install {{ lokole_run_directory }}/celerybeat.sh from template
   template:
     src: celerybeat.sh.j2
@@ -109,6 +115,11 @@
     src: celerybeat.service.j2
     dest: /etc/systemd/system/celerybeat.service
 
+- name: Install /etc/systemd/system/restarter.service unit file from template
+  template:
+    src: restarter.service.j2
+    dest: /etc/systemd/system/restarter.service
+
 - name: Create admin user with password, for http://box{{ lokole_url }}    # http://box/lokole
   shell: |
     . {{ lokole_run_directory }}/webapp_secrets.sh
diff --git a/roles/lokole/tasks/main.yml b/roles/lokole/tasks/main.yml
index 3ad999873..d7fd5a372 100644
--- a/roles/lokole/tasks/main.yml
+++ b/roles/lokole/tasks/main.yml
@@ -46,6 +46,13 @@
     state: started
   when: lokole_enabled | bool
 
+- name: Enable restarter service
+  systemd:
+    name: restarter
+    enabled: yes
+    state: started
+  when: lokole_enabled | bool
+
 - name: Disable & Stop 'lokole' systemd service, if not lokole_enabled
   systemd:
     name: lokole
diff --git a/roles/lokole/templates/restarter.service.j2 b/roles/lokole/templates/restarter.service.j2
new file mode 100644
index 000000000..1469e6f92
--- /dev/null
+++ b/roles/lokole/templates/restarter.service.j2
@@ -0,0 +1,10 @@
+[Unit]
+Description=Lokole webapp restarter
+After=network.target
+
+[Service]
+Type=simple
+ExecStart=/bin/bash {{ lokole_run_directory }}/webapp-restart.sh
+
+[Install]
+WantedBy=multi-user.target
diff --git a/roles/lokole/templates/webapp-restart.sh.j2 b/roles/lokole/templates/webapp-restart.sh.j2
new file mode 100644
index 000000000..7b0fdce6b
--- /dev/null
+++ b/roles/lokole/templates/webapp-restart.sh.j2
@@ -0,0 +1,5 @@
+#!/usr/bin/env sh
+
+'{{lokole_venv}}/bin/manage.py' \
+  'restarter' \
+  '--directory={{lokole_run_directory}}'