style95 commented on a change in pull request #4963:
URL: https://github.com/apache/openwhisk/pull/4963#discussion_r641136377
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File path: ansible/README.md
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@@ -196,6 +196,43 @@ 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).
+ You need to execute `pip install pymongo` first
+
+```
+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"
+ansible-playbook -i environments/<environment> apigateway.yml -e
mongodb_connect_string="mongodb://172.17.0.1:27017"
+ansible-playbook -i environments/<environment> openwhisk.yml -e
mongodb_connect_string="mongodb://172.17.0.1:27017" -e
db_artifact_backend="MongoDB"
Review comment:
I hope we can add some description about the relationship between
`db_artifact_backend` and `db_activation_backend`.
They can coexist and if no `db_activation_backend` is specified, the system
will use `db_artifact_backend` by default.
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