From 65672c72b0eb53d31bcf4a57b77064e7a51a8ff9 Mon Sep 17 00:00:00 2001
From: Pim Kunis <pim@kunis.nl>
Date: Wed, 3 May 2023 07:35:18 +0200
Subject: [PATCH] add overleaf stack

---
 ansible/playbooks/stacks.yml               |   1 +
 ansible/roles/overleaf/docker-stack.yml.j2 | 113 +++++++++++++++++++++
 ansible/roles/overleaf/tasks/main.yml      |  15 +++
 3 files changed, 129 insertions(+)
 create mode 100644 ansible/roles/overleaf/docker-stack.yml.j2
 create mode 100644 ansible/roles/overleaf/tasks/main.yml

diff --git a/ansible/playbooks/stacks.yml b/ansible/playbooks/stacks.yml
index 5680819..f0a266f 100644
--- a/ansible/playbooks/stacks.yml
+++ b/ansible/playbooks/stacks.yml
@@ -10,3 +10,4 @@
     - {role: mastodon, tags: mastodon}
     - {role: freshrss, tags: freshrss}
     - {role: hedgedoc, tags: hedgedoc}
+    - {role: overleaf, tags: overleaf}
diff --git a/ansible/roles/overleaf/docker-stack.yml.j2 b/ansible/roles/overleaf/docker-stack.yml.j2
new file mode 100644
index 0000000..7a381e5
--- /dev/null
+++ b/ansible/roles/overleaf/docker-stack.yml.j2
@@ -0,0 +1,113 @@
+# vi: ft=yaml
+version: '3'
+networks:
+  traefik:
+    external: true
+  overleaf:
+
+services:
+  sharelatex:
+    image: sharelatex/sharelatex
+    networks:
+      - traefik
+      - overleaf
+    depends_on:
+      - overleaf-mongodb
+      - overleaf-redis
+    stop_grace_period: 60s
+    volumes:
+      - type: bind
+        source: /mnt/data/overleaf/sharelatex_data
+        target: /var/lib/sharelatex
+    deploy:
+      placement:
+        constraints:
+          - "node.labels.overleaf == true"
+      labels:
+        - traefik.enable=true
+        - traefik.http.routers.overleaf.entrypoints=websecure
+        - traefik.http.routers.overleaf.rule=Host(`latex.pim.kunis.nl`)
+        - traefik.http.routers.overleaf.tls=true
+        - traefik.http.routers.overleaf.tls.certresolver=letsencrypt
+        - treafik.http.routers.overleaf.service=overleaf
+        - traefik.http.services.overleaf.loadbalancer.server.port=80
+        - traefik.docker.network=traefik
+    environment:
+      SHARELATEX_APP_NAME: Overleaf Community Edition
+
+      SHARELATEX_MONGO_URL: mongodb://overleaf-mongodb:27017/sharelatex
+
+      # Same property, unfortunately with different names in
+      # different locations
+      SHARELATEX_REDIS_HOST: overleaf-redis
+      REDIS_HOST: overleaf-redis
+
+      ENABLED_LINKED_FILE_TYPES: 'project_file,project_output_file'
+
+      # Enables Thumbnail generation using ImageMagick
+      ENABLE_CONVERSIONS: 'true'
+
+      # Disables email confirmation requirement
+      EMAIL_CONFIRMATION_DISABLED: 'true'
+
+      # temporary fix for LuaLaTex compiles
+      # see https://github.com/overleaf/overleaf/issues/695
+      TEXMFVAR: /var/lib/sharelatex/tmp/texmf-var
+
+      ## Set for SSL via nginx-proxy
+      #VIRTUAL_HOST: 103.112.212.22
+
+      SHARELATEX_SITE_URL: https://latex.pim.kunis.nl
+      # SHARELATEX_NAV_TITLE: Our ShareLaTeX Instance
+      # SHARELATEX_HEADER_IMAGE_URL: http://somewhere.com/mylogo.png
+      SHARELATEX_ADMIN_EMAIL: pim@kunis.nl
+
+      # SHARELATEX_LEFT_FOOTER: '[{"text": "Powered by <a href=\"https://www.sharelatex.com\">ShareLaTeX</a> 2016"},{"text": "Another page I want to link to can be found <a href=\"here\">here</a>"} ]'
+      # SHARELATEX_RIGHT_FOOTER: '[{"text": "Hello I am on the Right"} ]'
+
+      SHARELATEX_EMAIL_FROM_ADDRESS: "noreply@kunis.nl"
+
+      SHARELATEX_EMAIL_SMTP_HOST: "smtp.tweak.nl"
+      SHARELATEX_EMAIL_SMTP_PORT: 587
+      SHARELATEX_EMAIL_SMTP_USER: ""
+      SHARELATEX_EMAIL_SMTP_PASS: ""
+      # SHARELATEX_EMAIL_SMTP_TLS_REJECT_UNAUTH: true
+      # SHARELATEX_EMAIL_SMTP_IGNORE_TLS: false
+      # SHARELATEX_EMAIL_SMTP_NAME: '127.0.0.1'
+      # SHARELATEX_EMAIL_SMTP_LOGGER: true
+      # SHARELATEX_CUSTOM_EMAIL_FOOTER: "This system is run by department x"
+
+  overleaf-mongodb:
+    image: mongo:4.4
+    networks:
+      - overleaf
+    expose:
+      - 27017
+    volumes:
+      - type: bind
+        source: /mnt/data/overleaf/mongo_data
+        target: /data/db
+    healthcheck:
+      test: echo 'db.stats().ok' | mongo localhost:27017/test --quiet
+      interval: 10s
+      timeout: 10s
+      retries: 5
+    deploy:
+      placement:
+        constraints:
+          - "node.labels.overleaf == true"
+
+  overleaf-redis:
+    image: redis:5
+    networks:
+      - overleaf
+    expose:
+      - 6379
+    volumes:
+      - type: bind
+        source: /mnt/data/overleaf/redis_data
+        target: /data
+    deploy:
+      placement:
+        constraints:
+          - "node.labels.overleaf == true"
diff --git a/ansible/roles/overleaf/tasks/main.yml b/ansible/roles/overleaf/tasks/main.yml
new file mode 100644
index 0000000..a3a744e
--- /dev/null
+++ b/ansible/roles/overleaf/tasks/main.yml
@@ -0,0 +1,15 @@
+- name: Create working directory
+  file:
+    path: /srv/overleaf
+    state: directory
+
+- name: Copy Docker stack file
+  template:
+    src: "{{ role_path }}/docker-stack.yml.j2"
+    dest: /srv/overleaf/docker-stack.yml
+
+- name: Deploy Docker stack
+  docker_stack:
+    name: overleaf
+    compose:
+      - /srv/overleaf/docker-stack.yml