Dmitry Lysnichenko created AMBARI-4782:
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Summary: Error in getting host components with state INSTALL_FAILED
Key: AMBARI-4782
URL: https://issues.apache.org/jira/browse/AMBARI-4782
Project: Ambari
Issue Type: Task
Components: controller, test
Affects Versions: 1.3.0
Reporter: Dmitry Lysnichenko
Assignee: Dmitry Lysnichenko
Fix For: 1.5.0
When try to get query on
api/v1/clusters/<clustername>/host_components?HostRoles/state=INSTALL_FAILED
Response is
{ "status" : 400, "message" : "Invalid Request: Invalid arguments, invalid
desired state, desiredState=INSTALL_FAILED" }
This issue is rooted at the over all issue Ambari has where when "state" is
specified in the API requests it is always interpreted as "desired_state". And
INSTALL_FAILED is an invalid "desired_state". Just fixing the GET calls to
interpret request:state as "state" (current state of a host component) might be
the right thing to do but will make the get calls to behave differently than
other calls. For example, request to set all component which are in
INSTALL_FAILED state to INIT (or MAINTENANCE) will not work as expected. The
fix is to distinguish between "current_state" and "desired_state" and promote
"current_state" as a first class query parameter.
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