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Bug 1461194

Summary: [RFE] API to fetch list of hosts without full host details
Product: Red Hat Satellite Reporter: Chris Duryee <cduryee>
Component: HostsAssignee: Tomer Brisker <tbrisker>
Status: CLOSED ERRATA QA Contact: jcallaha
Severity: medium Docs Contact:
Priority: medium    
Version: 6.2.9CC: bbuckingham, bill.scherer, bkearney, dcaplan, dkaylor, egolov, fwissing, inecas, jcallaha, mhulan, sreber, tbrisker
Target Milestone: UnspecifiedKeywords: FieldEngineering, FutureFeature, PrioBumpField, PrioBumpPM, PrioBumpQA
Target Release: Unused   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: foreman-1.11.0.84-1 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of:
: 1480348 (view as bug list) Environment:
Last Closed: 2017-09-25 18:59:44 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1437197    

Description Chris Duryee 2017-06-13 19:13:54 UTC 
Description of problem:

A couple of users have expressed interest in a "host list only" API. This would be useful when scripting and looping over lots of hosts. If it took the same params as the existing /hosts api but returned only the host ID and hostname, that would be ideal.

There are a performance issues with the existing /hosts API call that are being addressed[1]; however even if it was lightning fast, a more minimal result set is still useful for scripting.

This is similar to Spacewalk's listActiveSystems call[2] which does not return system details. The RFE came about from users with spacewalk scripts that run much slower after porting to Katello.


[1] https://bugzilla.redhat.com/show_bug.cgi?id=1445623
[2] http://www.spacewalkproject.org/documentation/api/2.3/handlers/SystemHandler.html#listActiveSystems
Comment 1 Chris Duryee 2017-06-13 19:18:28 UTC 
The listActiveSystems call takes approximately 2 sec for 2K hosts. This new API would need similar performance, at least under 10 seconds for 5K hosts.
Comment 4 Tomer Brisker 2017-06-21 10:50:06 UTC 
Created redmine issue http://projects.theforeman.org/issues/20072 from this bug
Comment 5 Satellite Program 2017-06-22 06:08:22 UTC 
Upstream bug assigned to tbrisker
Comment 6 Satellite Program 2017-06-22 06:08:26 UTC 
Upstream bug assigned to tbrisker
Comment 7 Satellite Program 2017-06-27 08:08:00 UTC 
Moving this bug to POST for triage into Satellite 6 since the upstream issue http://projects.theforeman.org/issues/20072 has been resolved.
Comment 14 jcallaha 2017-08-28 18:23:17 UTC 
Verified in Satellite 6.2.12 Snap 1.

-bash-4.2# curl --user admin:changeme -k https://ibm-x3550m3-10.lab.eng.brq.redhat.com/api/v2/hosts?thin=true
{
  "total": 21,
  "subtotal": 21,
  "page": 1,
  "per_page": 20,
  "search": null,
  "sort": {
    "by": null,
    "order": null
  },
  "results": [{"id":5,"name":"base1"},{"id":13,"name":"base10"},{"id":11,"name":"base11"},{"id":20,"name":"base12"},{"id":19,"name":"base13"},{"id":12,"name":"base14"},{"id":15,"name":"base15"},{"id":16,"name":"base16"},{"id":21,"name":"base17"},{"id":18,"name":"base18"},{"id":17,"name":"base19"},{"id":4,"name":"base2"},{"id":14,"name":"base20"},{"id":3,"name":"base3"},{"id":6,"name":"base4"},{"id":2,"name":"base5"},{"id":7,"name":"base6"},{"id":8,"name":"base7"},{"id":10,"name":"base8"},{"id":9,"name":"base9"}]
}
Comment 15 Bryan Kearney 2017-09-14 14:36:25 UTC 
*** Bug 1298348 has been marked as a duplicate of this bug. ***
Comment 17 errata-xmlrpc 2017-09-25 18:59:44 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2017:2803