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From "David Bierce (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-6254) Template disappears when download cleanedup
Date Mon, 11 Aug 2014 14:47:12 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-6254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14092831#comment-14092831
] 

David Bierce commented on CLOUDSTACK-6254:
------------------------------------------

The method above that is always passing Upload.Type.VOLUME so it will always be deleting.
 The top of the stack that calls for cleanup calls for clean up volumes and templates separately
since they are in separate tables now.  I was thinking of adding a new field to to the cleanup
executing   deleteEntityExtractUrl but that seems kind of hacky.  Is there a better way to
determine if an image is a template or a volume?

    @Override
    public void deleteEntityExtractUrl(DataStore store, String installPath, String downloadUrl)
{
        // find an endpoint to send command
        EndPoint ep = _epSelector.select(store);
        // Create Symlink at ssvm
        //CreateEntityDownloadURLCommand cmd = new CreateEntityDownloadURLCommand(((ImageStoreEntity)
store).getMountPoint(), installPath, uuid);
        DeleteEntityDownloadURLCommand cmd = new DeleteEntityDownloadURLCommand(installPath,
Upload.Type.VOLUME, downloadUrl, ((ImageStoreEntity) store).getMountPoint());

        Answer ans = ep.sendMessage(cmd);
        if (ans == null || !ans.getResult()) {
            String errorString = "Unable to delete the url " + downloadUrl + " for path "
+ installPath + " on ssvm, " + ans.getDetails();
            s_logger.error(errorString);
            throw new CloudRuntimeException(errorString);
        }

    }

There is a lot of the code on the secondary storage VM and the cleanup/creation process that
references UploadVO.  Why is there stuff using something that was deprecated?

> Template disappears when download cleanedup
> -------------------------------------------
>
>                 Key: CLOUDSTACK-6254
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6254
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.2.1, 4.3.0
>            Reporter: Alex Hitchins
>            Assignee: Alex Hitchins
>         Attachments: 2014-03-18 16_32_58-gitk_ cloudstack.png
>
>
> In 4.2.1,  the template VHD file gets removed from the template directory after it has
been downloaded. This issue occurs when the secondary storage server is cleaning up the symlink
in /var/www/html/. 
> Along with removing the symlink, the actual vhd is also removed. 
> It looks like maybe the SSVM is seeing the template as a volume and thinks that it is
removing a hard link.



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