add cdh 5.5 support into sahara

https://blueprints.launchpad.net/sahara/+spec/cdh-5-5-support

This specification proposes to add CDH 5.5 plugin with Cloudera Distribution of Hadoop and Cloudera Manager in Sahara.

Problem description

Now we have already supported plugins for CDH 5.3.0 and 5.4.0 versions in liberty. With the release of the CDH 5.5.0 by Cloudera, we can add the new version support into Sahara.

Proposed change

Since we already support 5.4.0, we can follow the current implemention to avoid too many changes. We must guarantee all the services supported in previous version work well in 5.5.0. Supporting for new services in CDH 5.5.0 will be discussed later.

Cloudera starts to support ubuntu 14.04 in CDH 5.5.0. So we decide to provide Ubuntu 14.04 as other plugins do. And the building for Ubuntu 14.04 image with CDH 5.5 should aslo be supported in sahara-image-elements project. CentOS 6.5 will still be supported.

Due to the refactoring for previous CDH plugin versions, we should not merge patches related with 5.5.0 until all the refactoring patches are merged.

Alternatives

None

Data model impact

None

REST API impact

None

Other end user impact

None

Deployer impact

None

Developer impact

None

Sahara-image-elements impact

Sahara-image-elements support for CDH 5.5.0 need to be done.

Sahara-dashboard / Horizon impact

None

Implementation

Assignee(s)

Primary assignee:
jxwang92 (Jaxon Wang)
Other contributors:
None

Work Items

The work items will be:

  • Add python codes in sahara/sahara/plugins/cdh/v5_5_0.
  • Add service resource files in sahara/sahara/plugins/cdh/v5_5_0/resources.
  • Add test cases including unit and scenario.
  • Test and evaluate the change.

Dependencies

None

Testing

Follow what exsiting test cases of previous version do.

Documentation Impact

Cloudera Plugin doc needs some little changes. http://docs.openstack.org/developer/sahara/userdoc/cdh_plugin.html

References

None