Configure Mongo to use /mnt so we don't run out of disk space

playbooks/roles/jenkins_worker/tasks/system.yml

@@ -9,6 +9,11 @@
   shell: touch {{ jenkins_user_home }}/.bashrc
   sudo_user: "{{ jenkins_user }}"
 
+- name: jenkins | Create directory for builds
+  file: path={{ jenkins_workspace }}
+    owner={{ jenkins_user }} group={{ jenkins_group }}
+    state=directory
+
 - name: jenkins | Create .ssh directory
   file: path={{ jenkins_user_home }}/.ssh state=directory
         owner={{ jenkins_user }} group={{ jenkins_group }}
@@ -25,11 +30,6 @@
         owner={{ jenkins_user }} group={{ jenkins_group }}
         mode=400
 
-- name: jenkins | Create directory for builds
-  file: path={{ jenkins_workspace }}
-        owner={{ jenkins_user }} group={{ jenkins_group }}
-        state=directory
-
 - name: jenkins | Install system packages
   apt: pkg=${item} update_cache=yes state=present
   with_items:
@@ -48,3 +48,21 @@
     - pkg-config
     - unzip
     - xml-twig-tools
+
+- name: jenkins | Stop mongo service
+  service: name=mongodb state=stopped
+
+- name: jenkins | Configure Mongo
+  template: src=mongodb_conf.j2
+    dest=/etc/mongodb.conf
+    owner=root
+    group=root
+
+- name: jenkins | Configure Mongo upstart script
+  template: src=mongodb_upstart.j2
+    dest=/etc/init/mongodb.conf
+    owner=root
+    group=root
+
+- name: jenkins | Start the mongo service
+  service: name=mongodb state=stopped

playbooks/roles/jenkins_worker/templates/mongodb_conf.j2

+# mongodb.conf
+
+dbpath={{ MONGO_DIR }}
+logpath={{ MONGO_LOG_DIR }}/mongodb.log
+
+logappend=true
+
+bind_ip = 127.0.0.1
+port = 27017
+
+journal=true

playbooks/roles/jenkins_worker/templates/mongodb_upstart.j2

+# Ubuntu upstart file at /etc/init/mongodb.conf
+
+pre-start script
+    mkdir -p {{ MONGO_DIR }}
+    mkdir -p {{ MONGO_LOG_DIR }}
+
+    touch {{ MONGO_LOG_DIR }}/mongodb.log
+
+    chown mongodb:nogroup -R {{ MONGO_DIR }}
+    chown mongodb:nogroup -R {{ MONGO_LOG_DIR }}
+end script
+
+start on runlevel [2345]
+stop on runlevel [06]
+
+script
+    ENABLE_MONGODB="yes"
+    if [ -f /etc/default/mongodb ]; then . /etc/default/mongodb; fi
+    if [ "x$ENABLE_MONGODB" = "xyes" ]; then exec start-stop-daemon --start --quiet --chuid mongodb --exec  /usr/bin/mongod -- --config /etc/mongodb.conf; fi
+end script

playbooks/roles/jenkins_worker/vars/main.yml

@@ -16,3 +16,7 @@ gem_home: "{{ ruby_base }}/.gem"
 
 # JSCover direct download URL
 jscover_url: "http://superb-dca2.dl.sourceforge.net/project/jscover/JSCover-1.0.2.zip"
+
+# Mongo config
+MONGO_DIR: "/mnt/mongodb"
+MONGO_LOG_DIR: "/mnt/logs/mongodb"