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Fix unstack.sh to stop stop_dstat when it is disabled.

unstack.sh always stop dstat process, however unstack.sh show 'dstat: no process
found' when dstat is disabled.
This patch stop function of stop_dstat, when dstat is disabled.

Backported from https://review.openstack.org/#/c/166709/

Change-Id: If9054826bed8a7fedd4f77ef4efef2c0ccd7f16e
Closes-Bug: #1435148

Mahito OGURA authored on 2015/03/23 15:19:57
Showing 1 changed files
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@@ -163,7 +163,9 @@ if is_service_enabled trove; then
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     cleanup_trove
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 fi
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-stop_dstat
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+if is_service_enabled dstat; then
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+    stop_dstat
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+fi
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 # Clean up the remainder of the screen processes
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 SCREEN=$(which screen)