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From "Thomas O'Dowd (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-3229) Object_Store_Refactor - Snapshot fails due to an internal error
Date Tue, 30 Jul 2013 07:47:50 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-3229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13723528#comment-13723528
] 

Thomas O'Dowd commented on CLOUDSTACK-3229:
-------------------------------------------

Ok. I got a little further but still hit an exception.

Seems like the "util" module is not found by s3xen.

looking at s3xen python script, I see the following.

    sys.path.extend(["/opt/xensource/sm/"])
    import util

However on devcloud I don't have the /opt/xensource/sm/ directory which I guess is where the
util module is being imported from.

    root@devcloud:/# ls /opt/xensource/sm/
    ls: cannot access /opt/xensource/sm/: No such file or directory

I had a look around the cloudstack source code to see if this looked like something I could
copy over but I can't find util.py or any sm directory.

Still stuck on this.


INFO  [user.snapshot.CreateSnapshotCmd] (Job-Executor-2:job-9 = [ 6fdb16fc-afa0-42a9-a92e-2ecc57da1a89
]) VOLSS: createSnapshotCmd starts:1375169574917
WARN  [xen.resource.CitrixResourceBase] (DirectAgent-40:) Task failed! Task record:      
          uuid: 6af8424d-18bf-ca56-2565-0a1c5ff04d83
           nameLabel: Async.host.call_plugin
     nameDescription:
   allowedOperations: []
   currentOperations: {}
             created: Tue Jul 30 16:34:09 JST 2013
            finished: Tue Jul 30 16:34:09 JST 2013
              status: failure
          residentOn: com.xensource.xenapi.Host@3ba61fa8
            progress: 1.0
                type: <none/>
              result:
           errorInfo: [XENAPI_PLUGIN_FAILURE, non-zero exit, , Traceback (most recent call
last):
  File "/usr/lib/xcp/plugins/s3xen", line 40, in <module>
    import util
ImportError: No module named util
]
         otherConfig: {}
           subtaskOf: com.xensource.xenapi.Task@aaf13f6f
            subtasks: []

WARN  [xen.resource.CitrixResourceBase] (DirectAgent-40:) callHostPlugin failed for cmd: s3
with args operation: put, accessKey: 00ba9a7f9a8142b070c3, secretKey: pe5sLXnndBnsOHiMT/IhbJW995kAy1/+HK9+14Uc,
endPoint: s3.cloudian.com:18080, connectionTimeout: 600000, socketTimeout: 600000, directory:
/var/run/sr-mount/84f030ce-4463-177b-9a27-37d3eae7511d, iSCSIFlag: false, filename: aea43c88-1e57-4eb2-80d7-0dbed430b7f7.vhd,
maxErrorRetry: 5, key: snapshots/aea43c88-1e57-4eb2-80d7-0dbed430b7f7,  due to Task failed!
Task record:                 uuid: 6af8424d-18bf-ca56-2565-0a1c5ff04d83
           nameLabel: Async.host.call_plugin
     nameDescription:
   allowedOperations: []
   currentOperations: {}
             created: Tue Jul 30 16:34:09 JST 2013
            finished: Tue Jul 30 16:34:09 JST 2013
              status: failure
          residentOn: com.xensource.xenapi.Host@3ba61fa8
            progress: 1.0
                type: <none/>
              result:
           errorInfo: [XENAPI_PLUGIN_FAILURE, non-zero exit, , Traceback (most recent call
last):
  File "/usr/lib/xcp/plugins/s3xen", line 40, in <module>
    import util
ImportError: No module named util
]
         otherConfig: {}
           subtaskOf: com.xensource.xenapi.Task@aaf13f6f
            subtasks: []

Task failed! Task record:                 uuid: 6af8424d-18bf-ca56-2565-0a1c5ff04d83
           nameLabel: Async.host.call_plugin
     nameDescription:
   allowedOperations: []
   currentOperations: {}
             created: Tue Jul 30 16:34:09 JST 2013
            finished: Tue Jul 30 16:34:09 JST 2013
              status: failure
          residentOn: com.xensource.xenapi.Host@3ba61fa8
            progress: 1.0
                type: <none/>
              result:
           errorInfo: [XENAPI_PLUGIN_FAILURE, non-zero exit, , Traceback (most recent call
last):
  File "/usr/lib/xcp/plugins/s3xen", line 40, in <module>
    import util
ImportError: No module named util
]
         otherConfig: {}
           subtaskOf: com.xensource.xenapi.Task@aaf13f6f
            subtasks: []

        at com.cloud.hypervisor.xen.resource.CitrixResourceBase.checkForSuccess(CitrixResourceBase.java:3633)
        at com.cloud.hypervisor.xen.resource.CitrixResourceBase.callHostPluginAsync(CitrixResourceBase.java:3947)
        at com.cloud.hypervisor.xen.resource.XenServerStorageProcessor.backupSnapshotToS3(XenServerStorageProcessor.java:1133)
        at com.cloud.hypervisor.xen.resource.XenServerStorageProcessor.backupSnapshot(XenServerStorageProcessor.java:1314)
        at com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.execute(StorageSubsystemCommandHandlerBase.java:84)
        at com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.handleStorageCommands(StorageSubsystemCommandHandlerBase.java:49)
        at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:623)
        at com.cloud.hypervisor.xen.resource.XcpOssResource.executeRequest(XcpOssResource.java:140)
        at com.cloud.agent.manager.DirectAgentAttache$Task.run(DirectAgentAttache.java:186)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
WARN  [xen.resource.CitrixResourceBase] (DirectAgent-40:) callHostPlugin failed for cmd: deleteSnapshotBackup
with args secondaryStorageMountPath: 192.168.56.10:/opt/storage/cache/, localMountPoint: /var/run/cloud_mount/49ab0a32-3113-3ee2-bb24-3e65acb96ce9,
path: snapshots/2/3, backupUUID: aea43c88-1e57-4eb2-80d7-0dbed430b7f7.vhd,  due to There was
a failure communicating with the plugin.
WARN  [xen.resource.XenServerStorageProcessor] (DirectAgent-40:) BackupSnapshot Failed due
to callHostPlugin failed for cmd: deleteSnapshotBackup with args secondaryStorageMountPath:
192.168.56.10:/opt/storage/cache/, localMountPoint: /var/run/cloud_mount/49ab0a32-3113-3ee2-bb24-3e65acb96ce9,
path: snapshots/2/3, backupUUID: aea43c88-1e57-4eb2-80d7-0dbed430b7f7.vhd,  due to There was
a failure communicating with the plugin.
com.cloud.utils.exception.CloudRuntimeException: callHostPlugin failed for cmd: deleteSnapshotBackup
with args secondaryStorageMountPath: 192.168.56.10:/opt/storage/cache/, localMountPoint: /var/run/cloud_mount/49ab0a32-3113-3ee2-bb24-3e65acb96ce9,
path: snapshots/2/3, backupUUID: aea43c88-1e57-4eb2-80d7-0dbed430b7f7.vhd,  due to There was
a failure communicating with the plugin.
        at com.cloud.hypervisor.xen.resource.CitrixResourceBase.callHostPlugin(CitrixResourceBase.java:4227)
        at com.cloud.hypervisor.xen.resource.XenServerStorageProcessor.deleteSnapshotBackup(XenServerStorageProcessor.java:1050)
        at com.cloud.hypervisor.xen.resource.XenServerStorageProcessor.backupSnapshot(XenServerStorageProcessor.java:1317)
        at com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.execute(StorageSubsystemCommandHandlerBase.java:84)
        at com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.handleStorageCommands(StorageSubsystemCommandHandlerBase.java:49)
        at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:623)
        at com.cloud.hypervisor.xen.resource.XcpOssResource.executeRequest(XcpOssResource.java:140)
        at com.cloud.agent.manager.DirectAgentAttache$Task.run(DirectAgentAttache.java:186)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)

                
> Object_Store_Refactor - Snapshot fails due to an internal error
> ---------------------------------------------------------------
>
>                 Key: CLOUDSTACK-3229
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-3229
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.2.0
>         Environment: chrome on linux 
> devcloud 
> Cloudian or Amazon S3 Object store
>            Reporter: Thomas O'Dowd
>            Priority: Critical
>
> Assuming initial devcloud state... 
> I added a cache for the S3 storage like this. 
> on devcloud machine as root: 
> # mkdir /opt/storage/cache 
> # vi /etc/exports (and append this line) 
> /opt/storage/cache *(rw,no_subtree_check,no_root_squash,fsid=9999) 
> # exportfs -a 
> On Mgmt server GUI: 
> 1. navigate to infrastructure -> secondary storage 
> 2. delete the NFS SS. 
> 3. add S3 storage for Cloudian (I used 60000 as the timeouts - assuming millis). I used
the /opt/storage/cache thing as the s3 cache.
> 4. nav to templates 
> 5. register a new template (I uploaded tinyLinux again as "mytiny" (5.3 64bit)). 
> 6. confirm with s3cmd that 2 objects are now on S3. 
> --------- s3 objects ------- 
> template/tmpl/1/1/routing-1/acton-systemvm-02062012.vhd.bz2 2013-06-27T03:01:46.203Z
None 140616708 "b533e7b65219439ee7fca0146ddd7ffa-27" 
> template/tmpl/2/201/201-2-ae9e9409-4c8e-3ad8-a62f-abec7a35fe26/tinylinux.vhd 2013-06-27T03:04:06.730Z
None 50430464 "4afac316e865adf74ca1a8039fae7399-10" 
> --------- s3 objects ------- 
> 7. I restarted the management server at this point which actually resulted in another
object on S3. 
> --------- the new s3 object ------- 
> template/tmpl/1/5/tiny Linux/ttylinux_pv.vhd 2013-06-27T03:43:26.494Z None 50430464 "4afac316e865adf74ca1a8039fae7399-10"

> --------- the new s3 object ------- 
> 8. Go to instance and create a new choosing the "mytiny" template which we registered.

> 9. launch it after selecting all defaults. 
> 10. wait until it starts.
> 11. nav to storage. I see ROOT-8. Click on this to open.
> 12. click the camera to take the snapshot.
> after a pause I get a popup
>      "Failed to create snapshot due to an internal error creating snapshot for volume
8"
> Also on the mgmt terminal I get the following log entry (only 1):
>     INFO  [user.snapshot.CreateSnapshotCmd] (Job-Executor-8:job-16) VOLSS: createSnapshotCmd
starts:1372321251009
> If I check the "view snapshots" button under storage, I can however see the snapshot.
It says its on primary. I'm expecting it to go to secondary storage though. Nothing is in
the S3 logs and no snapshots.
> If I try to delete that snapshot from here I get this error in the logs:
> ERROR [cloud.async.AsyncJobManagerImpl] (Job-Executor-12:job-20) Unexpected exception
while executing org.apache.cloudstack.api.command.user.snapshot.DeleteSnapshotCmd
> com.cloud.utils.exception.CloudRuntimeException: Failed to delete snapshot:com.cloud.exception.InvalidParameterValueException:
Can't delete snapshotshot 4 due to it is not in BackedUp Status
>         at com.cloud.storage.snapshot.SnapshotManagerImpl.deleteSnapshot(SnapshotManagerImpl.java:513)
>         at com.cloud.utils.component.ComponentInstantiationPostProcessor$InterceptorDispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
>         at org.apache.cloudstack.api.command.user.snapshot.DeleteSnapshotCmd.execute(DeleteSnapshotCmd.java:96)
>         at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:155)
>         at com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:437)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:166)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:722)
> If I navigate to instance, my instance, and try to take a vm snapshot from here, I get
a different pop-up which says:
>    "There is other active volume snapshot tasks on the instance to which the volume is
attached, please try again later"
> And I get an exception:
> ERROR [cloud.api.ApiServer] (352129314@qtp-2110413789-32:) unhandled exception executing
api command: createVMSnapshot
> com.cloud.utils.exception.CloudRuntimeException: There is other active volume snapshot
tasks on the instance to which the volume is attached, please try again later.
>         at com.cloud.vm.snapshot.VMSnapshotManagerImpl.allocVMSnapshot(VMSnapshotManagerImpl.java:299)
>         at org.apache.cloudstack.api.command.user.vmsnapshot.CreateVMSnapshotCmd.create(CreateVMSnapshotCmd.java:78)
>         at com.cloud.api.ApiDispatcher.dispatchCreateCmd(ApiDispatcher.java:101)
>         at com.cloud.api.ApiServer.queueCommand(ApiServer.java:475)
>         at com.cloud.api.ApiServer.handleRequest(ApiServer.java:371)
>         at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:304)
>         at com.cloud.api.ApiServlet.doGet(ApiServlet.java:66)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>         at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
>         at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
>         at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>         at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
>         at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
>         at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
>         at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
>         at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
>         at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>         at org.mortbay.jetty.Server.handle(Server.java:326)
>         at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
>         at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
>         at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
>         at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
>         at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
>         at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
>         at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> There are no requests going to the S3 storage for the snap-shotting that I can see and
its the only secondary storage that I have setup.

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