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From "Marios Andreou (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DTACLOUD-209) Instance States - Openstack provider - Instances go from RUNNING ->PENDING ->Not Existing. Should transition from RUNNING -> STOPPING -> STOPPED
Date Fri, 01 Jun 2012 13:32:22 GMT

    [ https://issues.apache.org/jira/browse/DTACLOUD-209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13287394#comment-13287394
] 

Marios Andreou commented on DTACLOUD-209:
-----------------------------------------

Notes from rlandy:
"
With the patch applied, the output of Instance States remains unchanged (I think from you
notes in the JIRA, this is correct). Looking at how the states transition when launching and
then shutting down an instance, I observed this:

Start -> PENDING -> RUNNING
RUNNING -> stop -> STOPPING -> gone (does not stay visible in the STOPPED state -
possible I missed capturing that state)

So this looks consistent now with Instance States. Are we ok with closing this JIRA out or
are you still waiting on confirmation from HP regarding their state definitions?
"

i just tried again with some print statements to capture the 'stopped' state. either hp doesn't
send it - or it's fleeting and easy to miss. I'm treating this as an ACK (also confirmed offline
with rlandy) and pushed to master; commit hash:  fde9be9804e4c7b5bc63d9b0f07289d07b89cdf0


                
> Instance States - Openstack provider - Instances go from  RUNNING ->PENDING ->Not
Existing. Should transition from RUNNING -> STOPPING -> STOPPED
> -------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DTACLOUD-209
>                 URL: https://issues.apache.org/jira/browse/DTACLOUD-209
>             Project: DeltaCloud
>          Issue Type: Bug
>          Components: Server
>         Environment: Deltacloud git commit version: c13da7b50bbbbdc529b42207f58dbe5099006ad1
> RHEL 6.2, Fedora 16
> Openstack V2.0
>            Reporter: Ronelle Landy
>            Assignee: Ronelle Landy
>         Attachments: 0001-Report-Instance-state-more-accurately-for-OpenStack-.patch
>
>
> Instance states: Instance go from  RUNNING ->PENDING ->Not Existing. According
to "instance states", the instances should transition from RUNNING -> STOPPING -> STOPPED
> ---------- output after stopping an instance ----------------
> curl -X GET --user "<un>:<pw>" "http://qe-blade-14.idm.lab.bos.redhat.com:3008/api/instances?format=xml"
> <?xml version='1.0' encoding='utf-8' ?>
> <instances>
>   <instance href='http://qe-blade-14.idm.lab.bos.redhat.com:3008/api/instances/115705'
id='115705'>
>     <name>rlandyGUIInstance</name>
>     <owner_id>rlandy@redhat.com</owner_id>
>     <image href='http://qe-blade-14.idm.lab.bos.redhat.com:3008/api/images/5575' id='5575'></image>
>     <realm href='http://qe-blade-14.idm.lab.bos.redhat.com:3008/api/realms/default'
id='default'></realm>
>     <state>PENDING</state>
>     <hardware_profile href='http://qe-blade-14.idm.lab.bos.redhat.com:3008/api/hardware_profiles/101'
id='101'>
>     </hardware_profile>
>     <actions>
>     </actions>
>     <public_addresses></public_addresses>
>     <private_addresses><address type='ipv4'>10.4.107.241</address>
>   <address type='ipv4'>15.185.101.117</address>
>   <address type='ipv4'>15.185.108.87</address></private_addresses>
>     <authentication type='password'>
>       <login>
>         <username>root</username>
>         <password><![CDATA[]]></password>
>       </login>
>     </authentication>
>   </instance>
> </instances>
> [rlandy@localhost ~]$ curl -X GET --user "<un>:<pw>" "http://qe-blade-14.idm.lab.bos.redhat.com:3008/api/instances?format=xml"
> <?xml version='1.0' encoding='utf-8' ?>
> <instances>
> </instances>
> -------- Now getting instance_states --------------
>  curl -X GET --user "<un>:<pw>" "http://qe-blade-14.idm.lab.bos.redhat.com:3008/api/instance_states?format=xml"
> <states>
>   <state name='start'>
>     <transition action='create' to='pending'></transition>
>   </state>
>   <state name='pending'>
>     <transition auto='true' to='running'></transition>
>   </state>
>   <state name='running'>
>     <transition action='reboot' to='running'></transition>
>     <transition action='stop' to='stopping'></transition>
>   </state>
>   <state name='stopping'>
>     <transition auto='true' to='stopped'></transition>
>   </state>
>   <state name='stopped'>
>     <transition auto='true' to='finish'></transition>
>   </state>
>   <state name='finish'>
>   </state>
> </states>
> ****************
> Note from Marios:
> Easy fix on deltacloud side - we need to be more fine grained in translating the state
reported back from  HP (right now, 'ACTIVE' becomes 'RUNNING' and everything else becomes
'PENDING' - so even when HP says 'DELETED', instead of reporting 'STOPPING' we say 'PENDING'
and then the instance disappears...)
> ****************
> Note from Matt Wagner:
> (Openstack instance launched through Conductor) it seems like, when an instance is stopped,
it immediately stops being reported, so Conductor marks it as 'vanished' because it never
sees it in 'stopped' state before it disappears.
> Not sure how much of that is the state change issue  noted in Deltacloud, vs. how much
is the OpenStack API itself immediately withdrawing instances after they are stopped.

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