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Add process_count.sh plugin for checking if a process is running, and…

… if so, how many
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1 parent 38568ca commit e4b5c234fe9bde81519055c8ebaa35b87c752f37 @dchen dchen committed Dec 31, 2010
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  1. +39 −0 process_count.sh
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+#!/bin/bash
+
+# process_count.sh <process_name>
+# Cloudkick plugin to check if a named process is running and count number of
+# processes. The process name is matched as regex.
+
+# Copyright (C) 2010 by David E. Chen <dchen@alumni.cmu.edu>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+if [ $# -ne 1 ]; then
+ echo -e "usage: `basename $0` <process_name>"
+ exit 1
+fi
+
+PS_COUNT=`ps -Ao command | grep -ve grep -e process_count.sh | grep -ce $1`
+
+if [ "$PS_COUNT" -lt "1" ]; then
+ echo "status err $1 has 0 processes"
+else
+ echo "status ok $1 has $PS_COUNT processes"
+ echo "metric process_count_$1 int $PS_COUNT"
+fi

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