53 lines
1.1 KiB
Bash
Executable File
53 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2014 Canonical, Ltd
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# Author: Brad Marshall <brad.marshall@canonical.com>
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# Checks if a network namespace is responding by doing an ip a in each one.
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. /usr/lib/nagios/plugins/utils.sh
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check_ret_value() {
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RET=$1
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if [[ $RET -ne 0 ]];then
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echo "CRIT: $2"
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exit $STATE_CRIT
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fi
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}
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check_netns_create() {
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RET_VAL=$(ip netns add nrpe-check 2>&1)
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check_ret_value $? "$RET_VAL"
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RET_VAL=$(ip netns delete nrpe-check 2>&1)
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check_ret_value $? "$RET_VAL"
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}
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netnsok=()
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netnscrit=()
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for ns in $(ip netns list |awk '!/^nrpe-check$/ {print $1}'); do
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output=$(ip netns exec $ns ip a 2>/dev/null)
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err=$?
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if [ $err -eq 0 ]; then
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netnsok=("${netnsok[@]}" $ns)
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else
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netnscrit=("${netnscrit[@]}" $ns)
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fi
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done
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if [ ${#netnscrit[@]} -eq 0 ]; then
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if [ ${#netnsok[@]} -eq 0 ]; then
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check_netns_create
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echo "OK: no namespaces defined"
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exit $STATE_OK
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else
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echo "OK: ${netnsok[@]} are responding"
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exit $STATE_OK
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fi
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else
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echo "CRIT: ${netnscrit[@]} aren't responding"
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exit $STATE_CRIT
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fi
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