From 03f83ef7fd69336c7735202bd36e9b5955c0cc9c Mon Sep 17 00:00:00 2001
From: Tobias Reisinger <tobias@msrg.cc>
Date: Sat, 16 Dec 2023 05:06:10 +0100
Subject: [PATCH] Add teamspeak-fallback service

---
 node002.yml                                   |  2 ++
 .../files/docker-compose.yml                  | 19 ++++++++++
 roles/teamspeak_fallback/tasks/main.yml       | 36 +++++++++++++++++++
 .../templates/conditional-start.sh.j2         | 18 ++++++++++
 .../templates/teamspeak-fallback.service.j2   | 13 +++++++
 roles/teamspeak_fallback/vars/main.yml        |  6 ++++
 6 files changed, 94 insertions(+)
 create mode 100644 roles/teamspeak_fallback/files/docker-compose.yml
 create mode 100644 roles/teamspeak_fallback/tasks/main.yml
 create mode 100644 roles/teamspeak_fallback/templates/conditional-start.sh.j2
 create mode 100644 roles/teamspeak_fallback/templates/teamspeak-fallback.service.j2
 create mode 100644 roles/teamspeak_fallback/vars/main.yml

diff --git a/node002.yml b/node002.yml
index b607ac7..6d4ddc3 100644
--- a/node002.yml
+++ b/node002.yml
@@ -44,6 +44,8 @@
       tags: [synapse, matrix, communication]
     - role: tandoor
       tags: [tandoor, recipes]
+    - role: teamspeak_fallback
+      tags: [teamspeak-fallback, communication]
     - role: telegraf
       tags: [telegraf, monitoring]
     - role: tinytinyrss
diff --git a/roles/teamspeak_fallback/files/docker-compose.yml b/roles/teamspeak_fallback/files/docker-compose.yml
new file mode 100644
index 0000000..32ff3d2
--- /dev/null
+++ b/roles/teamspeak_fallback/files/docker-compose.yml
@@ -0,0 +1,19 @@
+services:
+  teamspeak:
+    image: teamspeak
+    restart: always
+    ports:
+      - 9987:9987/udp
+      - 10011:10011
+      - 30033:30033
+    environment:
+      TS3SERVER_DB_PLUGIN: ts3db_sqlite3
+      TS3SERVER_DB_SQLCREATEPATH: create_sqlite
+      TS3SERVER_LICENSE: accept
+    volumes:
+      - data:/var/ts3server/
+
+volumes:
+  data:
+    external: true
+    name: teamspeak-fallback-data
diff --git a/roles/teamspeak_fallback/tasks/main.yml b/roles/teamspeak_fallback/tasks/main.yml
new file mode 100644
index 0000000..9aae8c9
--- /dev/null
+++ b/roles/teamspeak_fallback/tasks/main.yml
@@ -0,0 +1,36 @@
+---
+- name: Set common facts
+  ansible.builtin.import_tasks: tasks/set-default-facts.yml
+
+- name: Deploy {{ svc.name }}
+  vars:
+    svc: "{{ teamspeak_fallback_svc }}"
+  block:
+    - name: Import tasks to create service directory
+      ansible.builtin.import_tasks: tasks/steps/create-service-directory.yml
+
+    - name: Copy the docker-compose file
+      ansible.builtin.copy:
+        src: docker-compose.yml
+        dest: "{{ (service_path, 'docker-compose.yml') | path_join }}"
+        mode: "0644"
+
+    - name: Template the conditional-start script
+      ansible.builtin.template:
+        src: conditional-start.sh.j2
+        dest: "{{ (service_path, 'conditional-start.sh') | path_join }}"
+        mode: "0755"
+
+    - name: Copy the system service
+      ansible.builtin.template:
+        src: teamspeak-fallback.service.j2
+        dest: /etc/systemd/system/teamspeak-fallback.service
+        mode: "0644"
+      become: true
+    - name: Enable the system service
+      ansible.builtin.systemd_service:
+        name: teamspeak-fallback.service
+        state: started
+        enabled: true
+        daemon_reload: true
+      become: true
diff --git a/roles/teamspeak_fallback/templates/conditional-start.sh.j2 b/roles/teamspeak_fallback/templates/conditional-start.sh.j2
new file mode 100644
index 0000000..f0ac6a6
--- /dev/null
+++ b/roles/teamspeak_fallback/templates/conditional-start.sh.j2
@@ -0,0 +1,18 @@
+#!/usr/bin/env sh
+
+while true
+do
+	if nc -z "{{ teamspeak_fallback_check_server }}" "{{ teamspeak_fallback_check_port }}"
+	then
+		if docker compose ps --services | grep teamspeak >/dev/null; then
+			echo "Stopping Server"
+			docker compose down
+		fi
+	else
+		if ! docker compose ps --services | grep teamspeak >/dev/null; then
+			echo "Starting Server"
+			docker compose up -d --pull=always
+		fi
+	fi
+	sleep 5
+done
diff --git a/roles/teamspeak_fallback/templates/teamspeak-fallback.service.j2 b/roles/teamspeak_fallback/templates/teamspeak-fallback.service.j2
new file mode 100644
index 0000000..6420535
--- /dev/null
+++ b/roles/teamspeak_fallback/templates/teamspeak-fallback.service.j2
@@ -0,0 +1,13 @@
+[Service]
+[Unit]
+Description=Teamspeak Fallback Starter
+After=network.target
+
+[Service]
+Type=simple
+ExecStart={{ service_path }}/conditional-start.sh
+WorkingDirectory={{ service_path }}
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
diff --git a/roles/teamspeak_fallback/vars/main.yml b/roles/teamspeak_fallback/vars/main.yml
new file mode 100644
index 0000000..154cf00
--- /dev/null
+++ b/roles/teamspeak_fallback/vars/main.yml
@@ -0,0 +1,6 @@
+---
+teamspeak_fallback_check_server: ts.sneiso.eu
+teamspeak_fallback_check_port: 30033
+
+teamspeak_fallback_svc:
+  name: teamspeak-fallback