[GitHub] style95 commented on a change in pull request #4290: Enable couchdb persist_path in a distributed environment as well

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style95 commented on a change in pull request #4290: Enable couchdb persist_path in a distributed environment as well
URL: https://github.com/apache/incubator-openwhisk/pull/4290#discussion_r257505252
 
 

 ##########
 File path: ansible/roles/couchdb/tasks/deploy.yml
 ##########
 @@ -88,6 +92,45 @@
     force_basic_auth: yes
   when: (create_users_db.status == 404) and (inventory_hostname == coordinator) and (couchdb.version is version_compare('2.0','>='))
 
+- name: check whether couchdb is clustered
+  uri:
+    url: "{{ db.protocol }}://{{ ansible_host }}:{{ db.port }}/_cluster_setup"
+    method: GET
+    status_code: 200
 
 Review comment:
   In case the cluster is not formed yet, it will return like this:
   
   ```
   $ curl localhost:5984/_cluster_setup -v
   *   Trying ::1...
   * Connected to localhost (::1) port 5984 (#0)
   > GET /_cluster_setup HTTP/1.1
   > Host: localhost:5984
   > User-Agent: curl/7.43.0
   > Accept: */*
   >
   < HTTP/1.1 200 OK
   < X-CouchDB-Body-Time: 0
   < X-Couch-Request-ID: 30fa78e069
   < Server: CouchDB/2.1.2 (Erlang OTP/17)
   < Date: Sun, 17 Feb 2019 13:59:41 GMT
   < Content-Type: application/json
   < Content-Length: 29
   < Cache-Control: must-revalidate
   <
   {"state":"cluster_disabled"}
   ```

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