Sandor Molnar created KNOX-2186:
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Summary: Cloudera Manager integration - filter services
Key: KNOX-2186
URL: https://issues.apache.org/jira/browse/KNOX-2186
Project: Apache Knox
Issue Type: New Feature
Components: Server
Affects Versions: 1.4.0
Reporter: Sandor Molnar
Assignee: Sandor Molnar
Fix For: 1.4.0
With KNOX-2160, Knos is capable of processing a Hadoop XML configuration file
and turn its content into Knox providers.
It'd be beneficial to add support for the following use case that is also
Cloudera manager integration specific:
*1.)* Cloudera Manager reports if auto-discovery is {{enabled}} for each known
services. That is, a list of boolean properties can be generated by CM
indicating if {{SERVICE_X}} is enabled or not in the following form:
{{gateway.auto.discovery.enabled.SERVICE_NAME=[true|false]}}
The new Hadoop XML configuration parser should take this information into
account, and add a certain service into the generated Knox descriptor only if
that service is explicitly {{enabled}} or there is no boolean flag within the
CM generated properties with that service name (indicating an unknown - custom
- service)
*2.)* There are some services - mainly UI services - that are not working
without some more required services in place (mainly their API counterpart).
For instance: {{RANGERUI}} won't work properly if {{RANGER}} is not available.
The new Hadoop XML configuration parser should be modified to not to add any
service into the generated Knox descriptor unless
* all required services are available (if any)
* all required services are enabled (see the previous point)
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