style95 commented on a change in pull request #4963:
URL: https://github.com/apache/openwhisk/pull/4963#discussion_r637726176
##########
File path: ansible/README.md
##########
@@ -196,6 +196,42 @@ ansible-playbook -i environments/$ENVIRONMENT routemgmt.yml
- To use the API Gateway, you'll need to run `apigateway.yml` and
`routemgmt.yml`.
- Use `ansible-playbook -i environments/$ENVIRONMENT openwhisk.yml` to avoid
wiping the data store. This is useful to start OpenWhisk after restarting your
Operating System.
+### Deploying Using MongoDB
+
+You can choose MongoDB instead of CouchDB as the database backend to store
entities.
+
+- Deploy a mongodb server(Optional, for test and develop only, use an external
MongoDB server in production)
+
+```
+ansible-playbook -i environments/<environment> mongodb.yml -e
mongodb_data_volume="/tmp/mongo-data"
+```
+
+- Then execute
+
+```
+cd <openwhisk_home>
+./gradlew distDocker
+cd ansible
+ansible-playbook -i environments/<environment> initMongodb.yml -e
mongodb_connect_string="mongodb://172.17.0.1:27017"
Review comment:
What is the relation with `db_local.ini`?
Getting this when deploying this change.
```
TASK [prepare db_local.ini]
*********************************************************************************************************************************************************
Monday 24 May 2021 15:07:04 +0900 (0:00:00.883) 0:00:02.373
************
fatal: [localhost -> localhost]: FAILED! => {"changed": false, "msg":
"AnsibleUndefinedVariable: 'dict object' has no attribute 'db'"}
AnsibleUndefinedVariable: 'dict object' has no attribute 'db'
PLAY RECAP
**************************************************************************************************************************************************************************
localhost : ok=2 changed=0 unreachable=0 failed=1
```
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