Tom Beerbower created AMBARI-3583:
-------------------------------------
Summary: Requests API should rollup tasks information
Key: AMBARI-3583
URL: https://issues.apache.org/jira/browse/AMBARI-3583
Project: Ambari
Issue Type: Bug
Reporter: Tom Beerbower
Assignee: Tom Beerbower
Ambari UI shows the number of background-operations. Clicking on it launches a
dialog showing the progress/status of each request. We keep polling every 6s at
the following URL:
{code}
http://server:8080/api/v1/clusters/ga/requests?to=end&page_size=10&fields=*,tasks/Tasks/*
{code}
On large clusters this is really really huge if you restarted services multiple
times. All of this just to show the number of operations in progress, and the
status of each request.
We need a rollup of tasks data into the request itself, so that we dont load
the tasks (the heavy part) till details of a request are needed. So for each
request we need
* Progress of the request: This takes into account the progress of various
tasks. 100% means request is completed.
* State of the request: Depending on success/warn/failure of tasks, this will
help UI show a red/green/yellow for the entire request.
Our initial call will be to
{code}
http://server:8080/api/v1/clusters/ga/requests?to=end&page_size=10
{code}
Once a user drills into a request, we will be requesting entire details for it.
{code}
http://server:8080/api/v1/clusters/ga/requests/1?fields=tasks/Tasks/*
{code}
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