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Hi All,
  I`m setting up Nodepool Jenkins slaves now, and though I started nodepool
with "nodepoold -d $DAEMON_ARGS" for a long while(a couple of hours),
there was no image created yet. And i followed the Mr. Rasselin`s manual[1].

  According to the log messages, it seems that there was no any error encoutered,
but the operation "nodepool.DiskImageBuilderThread" was hung on to finish creating
the image.
  But, if i run the disk-image-create command manually, with the same arguments which listed
in the log files[2], it works fine and the image dpc-1438304460 is created into
the directory /opt/nodepool_dib/.

##nodepool.log:
-----------------------------
WARNING nodepool.NodePool: Missing disk image dpc
INFO nodepool.DiskImageBuilderThread: Creating image: dpc with filename /opt/nodepool_dib/dpc-1438304460
INFO nodepool.DiskImageBuilderThread: Running disk-image-create -x -t qcow2 --no-tmpfs --qemu-img-options 'compat=0.10' -o /opt/nodepool_dib/dpc-1438304460 ubuntu
-----------------------------

##debug.log
-----------------------------
DEBUG nodepool.NodePool: Finished node launch calculation
INFO nodepool.DiskImageBuilderThread: Running disk-image-create -x -t qcow2 --no-tmpfs --qemu-img-options 'compat=0.10' -o /opt/nodepool_dib/dpc-1438304460 ubuntu
DEBUG nodepool.NodePool: Loading configuration
DEBUG nodepool.NodePool: ZMQ Listeners do not need to be updated
...
DEBUG nodepool.NodePool:   Deficit: d-p-c-fc: 1 (start: 0 min-ready: 1 ready: 0 capacity: 1)
DEBUG nodepool.NodePool:   Deficit: d-p-c: 2 (start: 0 min-ready: 2 ready: 0 capacity: 2)
DEBUG nodepool.NodePool:   local_01_fc does not have image dpc for label d-p-c-fc.
DEBUG nodepool.NodePool:   local_01 does not have image dpc for label d-p-c.
-----------------------------

Could someone help me to solve this problem.
Thanks in advance.


[1]https://github.com/rasselin/os-ext-testing
[2]disk-image-create command:
$ disk-image-create -x -t qcow2 --no-tmpfs --qemu-img-options 'compat=0.10' -o /opt/nodepool_dib/dpc-1438304460 ubuntu

Xiexs
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