Merge pull request #919 from holta/mongodb-repair

MongoDB: many improvements for reliability

roles/mongodb/defaults/main.yml

@@ -1,2 +1,5 @@
 mongodb_install: False
 mongodb_enabled: False
+
+mongodb_db_path: "{{ content_base }}/dbdata/mongodb"    # == /library/dbdata/mongodb/
+mongodb_conf: /etc/mongod.conf

roles/mongodb/tasks/main.yml

@@ -16,10 +16,10 @@
     owner: mongodb
   with_items:
     - { path: '/var/run/mongodb' }
-    - { path: '/library/dbdata/mongodb' }
+    - { path: "{{ mongodb_db_path }}" }
     - { path: '/var/log/mongodb' }
 
-- name: Position /etc/mongod.conf and mongodb.service
+- name: Populate & position /etc/mongod.conf, /etc/systemd/system/mongodb.service
   template:
     src: "{{ item.src }}"
     dest: "{{ item.dest }}"
@@ -27,8 +27,8 @@
     group: root
     mode: 0644
   with_items:
-    - { src: 'mongodb.service' , dest: '/etc/systemd/system/' }
-    - { src: 'mongod.conf' , dest: '/etc/mongod.conf'}
+    - { src: 'mongodb.service.j2', dest: '/etc/systemd/system/mongodb.service' }
+    - { src: 'mongod.conf.j2', dest: "{{ mongodb_conf }}" }
 
 - name: Restart service if enabled
   service:

roles/mongodb/templates/mongod.conf.j2

@@ -21,7 +21,7 @@ logpath = /var/log/mongodb/mongod.log
 # unixSocketPrefix = /var/run/mongodb
 
 # Directory for datafiles (defaults to /data/db/)
-dbpath = /library/dbdata/mongodb
+dbpath = {{ mongodb_db_path }}
 
 # Enable/Disable journaling (journaling is on by default for 64 bit)
 journal = true
@@ -234,4 +234,3 @@ smallfiles = true
 
 # Activate FIPS 140-2 mode at startup
 #sslFIPSMode = true
-

roles/mongodb/templates/mongodb.service.j2

@@ -6,7 +6,9 @@ After=syslog.target network.target
 Type=simple
 User=mongodb
 Group=mongodb
-ExecStart=/usr/bin/mongod -f /etc/mongod.conf
+ExecStartPre=/usr/bin/mongod --repair --dbpath {{ mongodb_db_path }}
+ExecStart=/usr/bin/mongod -f {{ mongodb_conf }}
+ExecStop=/usr/bin/killall mongod
  
 [Install]
 WantedBy=multi-user.target