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https://issues.apache.org/jira/browse/CLOUDSTACK-4399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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venkata swamybabu budumuru closed CLOUDSTACK-4399.
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verified this behaviour on the latest build and found that it works now. when
there is timeout the it is deleting the entry and upon ssvm restarting or
coming up then it again rechecks and re-initiates the download now. Closing the
issue.
> [Templates] template entries are deleted from template_store_ref when
> downloadTemplate times out
> ------------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-4399
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4399
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server
> Affects Versions: 4.2.0
> Environment: commit id # 3c40e8bb3f6278f78c24c6317d513bd5ad599944
> Reporter: venkata swamybabu budumuru
> Assignee: Min Chen
> Priority: Critical
> Fix For: 4.2.0
>
> Attachments: logs.tgz
>
>
> Steps to reproduce :
> 1. Have a latest CloudStack setup with at least 1 advanced zone
> 2. Add at least 1 KVM cluster.
> 3. Make sure systemVMs are up
> 4. As a non-ROOT admin, deploy at least 1 User VM (which includes router) on
> this host.
> 5. Add another cluster of type XenServer
> Observations:
> (i) As soon as the host is added, it initiated systemVM template from
> download.cloud.com which it taking quite longtime to download.
> (ii) when this download was at round 11%, did SSVM restart and then destroy
> operations on SSVM.
> (iii) The above operation resulted in template download timeout as per mgmt
> server logs.
> 2013-08-19 16:04:22,136 DEBUG [storage.download.DownloadListener]
> (Timer-8:null) Scheduling timeout at 30000 ms, TEMPLATE: 1 at host 2
> (iv) Before the timeout happened, I could see an entry for template :1 in
> template_store_ref saying DOWNLOAD_IN_PROGRESS but, after timeout this entry
> is totally deleted from template_store_ref.
> 2013-08-19 16:04:33,386 DEBUG [storage.download.DownloadListener]
> (Timer-8:null) Send command failed
> com.cloud.utils.exception.CloudRuntimeException: Unable to send message
> at
> org.apache.cloudstack.storage.RemoteHostEndPoint.sendMessageAsync(RemoteHostEndPoint.java:179)
> at
> com.cloud.storage.download.DownloadListener.sendCommand(DownloadListener.java:187)
> at
> com.cloud.storage.download.DownloadListener$StatusTask.run(DownloadListener.java:82)
> at java.util.TimerThread.mainLoop(Timer.java:534)
> at java.util.TimerThread.run(Timer.java:484)
> Caused by: com.cloud.exception.AgentUnavailableException: Resource [Host:2]
> is unreachable: Host 2: Host with specified id is not in the right state:
> Disconnected
> at
> com.cloud.agent.manager.ClusteredAgentManagerImpl.getAttache(ClusteredAgentManagerImpl.java:540)
> at
> com.cloud.agent.manager.AgentManagerImpl.send(AgentManagerImpl.java:526)
> at
> org.apache.cloudstack.storage.RemoteHostEndPoint.sendMessageAsync(RemoteHostEndPoint.java:177)
> ... 4 more
> 2013-08-19 16:04:33,386 WARN [storage.download.DownloadListener]
> (Timer-8:null) Unable to monitor download progress of TEMPLATE: 1 at host 2
> 2013-08-19 16:04:33,387 DEBUG [storage.image.BaseImageStoreDriverImpl]
> (Timer-8:null) Performing image store createTemplate async callback
> 2013-08-19 16:04:33,531 WARN [storage.download.DownloadListener]
> (Timer-8:null) Entering download error state because the storage host
> disconnected, TEMPLATE: 1 at host 2
> (v) After the above incident happened, there is no way that I could get the
> systemVM template automatically downloaded. Have tried SSVM restart / SSVM
> destroy but nothing happened.
> Expected Result:
> ============
> - when timeout happens, it should set the state as "DOWNLOAD_ERROR" so that
> SSVM during sync will be able to identify the situation and download it again.
> Few more additional observations:
> ========================
> (a) Observed the same issue with user templates as well. below is the quick
> way to reproduce it
> - login as a non-ROOT domain user
> - registerTemplate from download.cloud.com
> - while the above download is in progress, keep performing a reboot followed
> by a destroy SSVM so that download command timeout after 30 seconds.
> - After it time-out then check cloud.template_store_ref table and the above
> user template entry completely disappears.
> Attaching all the required logs along with db dump to the bug.
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