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From rhtyd <...@git.apache.org>
Subject [GitHub] cloudstack pull request #1656: CLOUDSTACK-9466: Fix fk constraint failure in...
Date Tue, 23 Aug 2016 08:03:19 GMT
GitHub user rhtyd opened a pull request:

    https://github.com/apache/cloudstack/pull/1656

    CLOUDSTACK-9466: Fix fk constraint failure in upgrade path

    In the 4.1.0-4.2.0 db upgrade path, it creates new tables to store secondary
    (nfs) storage in image_store table and volumes in volume_store_ref table. In
    the upgrade path, it first tries to migrate NFS storage pool where it excludes
    storage pools which have been removed, but it migrates all the volumes without
    checking if their storage pools have been removed. This causes fk constraint
    failure as the volume/row being inserted refers to a storage pool which does
    not exist in the image_store table.
    
    The fix migrates all the nfs storage pools to image_store including removed
    storage pools and in doing so migrates with the 'removed' field. This fixes
    db upgrade for old pre-4.0 and 4.0/4.1 CloudStack clouds.
    
    /cc @jburwell @PaulAngus @karuturi @abhinandanprateek @murali-reddy 

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/shapeblue/cloudstack 4.9-fk410to420fix

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/cloudstack/pull/1656.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1656
    
----
commit 1b678cbcaaff29024ffa93c10a36954eaa874f6a
Author: Rohit Yadav <rohit.yadav@shapeblue.com>
Date:   2016-08-23T07:53:18Z

    CLOUDSTACK-9466: Fix fk constraint failure in upgrade path
    
    In the 4.1.0-4.2.0 db upgrade path, it creates new tables to store secondary
    (nfs) storage in image_store table and volumes in volume_store_ref table. In
    the upgrade path, it first tries to migrate NFS storage pool where it excludes
    storage pools which have been removed, but it migrates all the volumes without
    checking if their storage pools have been removed. This causes fk constraint
    failure as the volume/row being inserted refers to a storage pool which does
    not exist in the image_store table.
    
    The fix migrates all the nfs storage pools to image_store including removed
    storage pools and in doing so migrates with the 'removed' field. This fixes
    db upgrade for old pre-4.0 and 4.0/4.1 CloudStack clouds.
    
    Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

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