add network and storage handling

defaults/main.yml

@@ -15,3 +15,20 @@ mongodb_systemlog_path: /var/log/mongodb/mongod.log
 mongodb_rbac_enabled: True
 mongodb_user_admin_name: mongoadm
 mongodb_user_admin_password: secure
+
+mongodb_lvm_enabled: False
+# mongodb_lvm_pvs:
+#   - sda
+# mongodb_lvm_vg: vg_mongo
+# mongodb_lvm_lv: lv_mongo
+# mongodb_lvm_size: 10G
+# mongodb_lvm_fstype: xfs
+
+mongodb_net_bindip:
+  - 127.0.0.1
+mongodb_net_http_enabled: False
+mongodb_net_ipv6_enabled: False
+mongodb_net_maxconns: 65536
+mongodb_net_port: 27017
+
+mongodb_processmanagement_fork_enabled: True

tasks/config.yml

@@ -0,0 +1,79 @@
+---
+- block:
+  - name: Create system group '{{ mongodb_system_group }}'
+    group:
+      name: "{{ mongodb_system_group }}"
+      gid: "{{ mongodb_system_gid | default(omit) }}"
+      state: present
+
+  - name: Create system user '{{ mongodb_system_user }}'
+    user:
+      name: "{{ mongodb_system_user }}"
+      uid: "{{ mongodb_system_uid | default(omit) }}"
+      group: "{{ mongodb_system_group }}"
+    notify: __mongod_restart
+
+  - name: Create db storage dir '{{ mongodb_storage_dbpath }}'
+    file:
+      path: "{{ mongodb_storage_dbpath }}"
+      owner: "{{ mongodb_system_user }}"
+      group: "{{ mongodb_system_group }}"
+      recurse: yes
+      state: directory
+
+  - name: Create log dir '{{ mongodb_systemlog_path | dirname }}'
+    file:
+      path: "{{ mongodb_systemlog_path | dirname }}"
+      owner: "{{ mongodb_system_user }}"
+      group: "{{ mongodb_system_group }}"
+      recurse: yes
+      state: directory
+    when: mongodb_systemlog_destination == 'file'
+
+- block:
+  - name: Create volume group 'mongodb_lvm_vg'
+    lvg:
+      vg: "{{ mongodb_lvm_vg }}"
+      pvs: "{{ mongodb_lvm_pvs|join(',') }}"
+
+  - name: Create logical volume 'mongodb_lvm_lv'
+    lvol:
+      vg: "{{ mongodb_lvm_vg }}"
+      lv: "{{ mongodb_lvm_lv }}"
+      size: "{{ mongodb_lvm_size }}"
+
+  - name: Create filesystem for '/dev/mapper/{{ mongodb_lvm_vg }}-{{ mongodb_lvm_lv }}'
+    filesystem:
+      fstype: "{{ mongodb_lvm_fstype }}"
+      dev: "/dev/mapper/{{ mongodb_lvm_vg }}-{{ mongodb_lvm_lv }}"
+
+  - name: Mount volume to 'mongodb_storage_dbpath'
+    mount:
+      path: "{{ mongodb_storage_dbpath }}"
+      src: "/dev/mapper/{{ mongodb_lvm_vg }}-{{ mongodb_lvm_lv }}"
+      fstype: "{{ mongodb_lvm_fstype }}"
+      state: mounted
+
+  - name: Change permissions for mountpoint
+    file:
+      path: "{{ mongodb_storage_dbpath }}"
+      owner: "{{ mongodb_user }}"
+      group: "{{ mongodb_group }}"
+      mode: 0750
+  become: True
+  when: mongodb_lvm_enabled
+
+  - name: Deploy configuration file
+    template:
+      src: etc/mongod.conf.j2
+      dest: /etc/mongod.conf
+      mode: 0644
+    notify: __mongod_restart
+
+  - name: Make sure mongodb is up and running
+    systemd:
+      name: mongod
+      state: started
+      enabled: yes
+  become: True
+  become_user: root

tasks/install.yml

@@ -23,55 +23,3 @@
     name: pymongo
     state: present
     extra_args: --user
-
-- block:
-  - name: Create system group '{{ mongodb_system_group }}'
-    group:
-      name: "{{ mongodb_system_group }}"
-      gid: "{{ mongodb_system_gid | default(omit) }}"
-      state: present
-
-  - name: Create system user '{{ mongodb_system_user }}'
-    user:
-      name: "{{ mongodb_system_user }}"
-      uid: "{{ mongodb_system_uid | default(omit) }}"
-      group: "{{ mongodb_system_group }}"
-    notify: __mongod_restart
-
-  - name: Create db storage dir '{{ mongodb_storage_dbpath }}'
-    file:
-      path: "{{ mongodb_storage_dbpath }}"
-      owner: "{{ mongodb_system_user }}"
-      group: "{{ mongodb_system_group }}"
-      recurse: yes
-      state: directory
-
-  - name: Create log dir '{{ mongodb_systemlog_path | dirname }}'
-    file:
-      path: "{{ mongodb_systemlog_path | dirname }}"
-      owner: "{{ mongodb_system_user }}"
-      group: "{{ mongodb_system_group }}"
-      recurse: yes
-      state: directory
-    when: mongodb_systemlog_destination == 'file'
-
-  - name: Deploy configuration file
-    template:
-      src: etc/mongod.conf.j2
-      dest: /etc/mongod.conf
-      mode: 0644
-    notify: __mongod_restart
-
-  - name: Make sure mongodb is up and running
-    systemd:
-      name: mongod
-      state: started
-      enabled: yes
-  become: True
-  become_user: root
-
-- name: Check where admin user already exists
-  command: |
-    mongo --quiet -u {{ mongodb_user_admin_name }} -p {{ mongodb_user_admin_password }} --eval 'db.version()' admin
-  register: __mongodb_admin_check
-  changed_when: False

tasks/main.yml

@@ -1,4 +1,12 @@
 ---
 - include_tasks: install.yml
+- include_tasks: config.yml
+
+- name: Check where admin user already exists
+  command: |
+    mongo --quiet -u {{ mongodb_user_admin_name }} -p {{ mongodb_user_admin_password }} --eval 'db.version()' admin
+  register: __mongodb_admin_check
+  changed_when: False
+
 - include_tasks: auth.yml
   when: not __mongodb_admin_check.rc == 0

templates/etc/mongod.conf.j2

@@ -15,27 +15,24 @@ storage:
   dbPath: {{ mongodb_storage_dbpath }}
   journal:
     enabled: {{ mongodb_storage_journal_enabled | lower }}
-#  engine:
-#  mmapv1:
-#  wiredTiger:
 
 # how the process runs
 processManagement:
-  fork: true  # fork and run in background
-  pidFilePath: /var/run/mongodb/mongod.pid  # location of pidfile
+  fork: {{ mongodb_processmanagement_fork_enabled | lower }}
+  pidFilePath: /var/run/mongodb/mongod.pid
   timeZoneInfo: /usr/share/zoneinfo
 
 # network interfaces
 net:
-  port: 27017
-  bindIp: 127.0.0.1  # Listen to local interface only, comment to listen on all interfaces.
+  bindIp: {{ mongodb_net_bindip | join(',') }}
+  {% if mongodb_version | version_compare("3.6", "<") -%}
+  http:
+    enabled: {{ mongodb_net_http_enabled | lower }}
+  {% endif -%}
+  ipv6: {{ mongodb_net_ipv6_enabled | lower }}
+  maxIncomingConnections: {{ mongodb_net_maxconns }}
+  port: {{ mongodb_net_port }}
 
 
 security:
   authorization: {{ 'enabled' if mongodb_rbac_enabled else 'disabled' }}
-
-#operationProfiling:
-
-#replication:
-
-#sharding: