deploy mongodb as cluster for HA

JIRA: COMPASS-207

Change-Id: I1069bcc2d0dd97dd6a4c7bb61351be993d86b33a
Signed-off-by: carey.xu <carey.xuhan@huawei.com>

5 files changed, 51 insertions, 13 deletions

diff --git a/deploy/adapters/ansible/roles/database/tasks/main.yml b/deploy/adapters/ansible/roles/database/tasks/main.yml
index 20b6fe4b..bfdcb75b 100644
--- a/deploy/adapters/ansible/roles/database/tasks/main.yml
+++ b/deploy/adapters/ansible/roles/database/tasks/main.yml
@@ -9,4 +9,7 @@
   when:
     - inventory_hostname == haproxy_hosts.keys()[0]
 
-- include: mongodb.yml
+- include: mongodb_install.yml
+- include: mongodb_config.yml
+  when:
+    - inventory_hostname == haproxy_hosts.keys()[0]
diff --git a/deploy/adapters/ansible/roles/database/tasks/mongodb_config.yml b/deploy/adapters/ansible/roles/database/tasks/mongodb_config.yml
new file mode 100755
index 00000000..573b30a9
--- /dev/null
+++ b/deploy/adapters/ansible/roles/database/tasks/mongodb_config.yml
@@ -0,0 +1,35 @@
+---
+- name: copy replica js
+  template:
+    src: replica.js
+    dest: /opt/replica.js
+
+- name: init replica servers
+  shell: mongo compass /opt/replica.js
+
+- name: wait replica servers are ready
+  shell: mongo compass --eval 'printjson(rs.status())'|grep -E 'PRIMARY|SECONDARY'|wc -l
+  register: servers
+  until: servers.stdout|int == 3
+  retries: 20
+  delay: 3
+
+- debug: msg='{{ servers.stdout |int }}'
+
+- name: create mongodb user and db
+  mongodb_user:
+    login_host: "{{ internal_vip.ip }}"
+    database: ceilometer
+    name: ceilometer
+    password: "{{ CEILOMETER_DBPASS }}"
+    roles: 'readWrite,dbAdmin'
+    state: present
+
+- name: grant user privilege
+  mongodb_user:
+    login_host: "{{ internal_vip.ip }}"
+    database: ceilometer
+    name: ceilometer
+    password: "{{ CEILOMETER_DBPASS }}"
+    roles: 'readWrite,dbAdmin'
+    state: present
diff --git a/deploy/adapters/ansible/roles/database/tasks/mongodb.yml b/deploy/adapters/ansible/roles/database/tasks/mongodb_install.yml
index ada7f7ef..1e7988d2 100644..100755
--- a/deploy/adapters/ansible/roles/database/tasks/mongodb.yml
+++ b/deploy/adapters/ansible/roles/database/tasks/mongodb_install.yml
@@ -26,14 +26,5 @@
 - name: write mongodb to monitor list
   lineinfile: dest=/opt/service create=yes line={{ mongodb_service}}
 
-- wait_for: port=27017 delay=3 timeout=60 host={{ internal_vip.ip }}
-
-- name: create mongodb user
-  run_once: True
-  mongodb_user:
-    login_host: "{{ internal_vip.ip }}"
-    database: ceilometer
-    name: ceilometer
-    password: "{{ CEILOMETER_DBPASS }}"
-    roles: 'readWrite,dbAdmin'
-    state: present
+- name: wait for mongod ready
+  wait_for: host=0.0.0.0 port=27017 delay=10
diff --git a/deploy/adapters/ansible/roles/database/templates/mongodb.conf b/deploy/adapters/ansible/roles/database/templates/mongodb.conf
index 68b84d7a..18306154 100644
--- a/deploy/adapters/ansible/roles/database/templates/mongodb.conf
+++ b/deploy/adapters/ansible/roles/database/templates/mongodb.conf
@@ -1,4 +1,5 @@
 # mongodb.conf
-bind_ip = {{ internal_vip.ip }}
+bind_ip = 0.0.0.0
+replSet = compass
 port = 27017
 smallfiles = true
diff --git a/deploy/adapters/ansible/roles/database/templates/replica.js b/deploy/adapters/ansible/roles/database/templates/replica.js
new file mode 100644
index 00000000..3282cd6a
--- /dev/null
+++ b/deploy/adapters/ansible/roles/database/templates/replica.js
@@ -0,0 +1,8 @@
+config = { _id:"compass", members:[
+{% for host in haproxy_hosts.values() %}
+{% set pair = '%s:27017' % host %}
+    {_id:{{ loop.index0 }},host:"{{ pair }}"},
+{% endfor %}
+]
+};
+rs.initiate(config);