Phil Zampino created KNOX-1117:
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Summary: HostMap Provider configuration comment in topologies
included with Knox has typos
Key: KNOX-1117
URL: https://issues.apache.org/jira/browse/KNOX-1117
Project: Apache Knox
Issue Type: Bug
Components: Release
Affects Versions: 0.14.0
Reporter: Phil Zampino
Assignee: Phil Zampino
The topologies included in conf/topologies include hostmap provider config with
a comment that needs some work (IMO).
"Defines rules for mapping host names internal to a Hadoop cluster to
externally accessible host names. For example, a hadoop service running in AWS
may return a response that includes URLs containing the some AWS internal host
name. If the client needs to make a subsequent request to the host identified
in those URLs they need to be mapped to external host names that the client
Knox can use to connect.
If the external hostname and internal host names are same turn of this provider
by setting the value of enabled parameter as false.
The name parameter specifies the external host names in a comma separated list.
The value parameter specifies corresponding internal host names in a comma
separated list."
Note that when you are using Sandbox, the external hostname needs to be
localhost, as seen in out of box sandbox.xml. This is because Sandbox uses
port mapping to allow clients to connect to the Hadoop services using
localhost. In real clusters, external host names would almost never be
localhost."
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