forked from evolix/ansible-roles
92 lines
2.3 KiB
Bash
92 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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# This script is meant to be executed as a cron by executing Nagios
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# NRPE plugin check_hpraid and notify by mail any errors
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TMPDIR=/tmp
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md5sum=$(command -v md5sum)
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awk=$(command -v awk)
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check_hpraid="/usr/local/lib/nagios/plugins/check_hpraid -v -p"
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check_hpraid_output=$(mktemp -p $TMPDIR check_hpraid_XXX)
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check_hpraid_last="$TMPDIR/check_hpraid_last"
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# set to false to use cron output (MAILTO)
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# otherwise send output with mail command
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use_mail=true
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body=$(mktemp --tmpdir=/tmp check_hpraid_XXX)
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clientmail=$(grep EVOMAINTMAIL /etc/evomaintenance.cf | cut -d'=' -f2)
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hostname=$(grep HOSTNAME /etc/evomaintenance.cf | cut -d'=' -f2)
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hostname=${hostname%%.evolix.net}
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# If hostname is composed with -, remove the first part.
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if [[ $hostname =~ "-" ]]; then
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hostname=$(echo "$hostname" | cut -d'-' -f2-)
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fi
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trap trapFunc EXIT ERR
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testDeps() {
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test -x "$md5sum" || (echo "md5sum binary not found"; exit 1)
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test -x "$awk" || (echo "awk binary not found"; exit 1)
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}
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main() {
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if ! $check_hpraid > "$check_hpraid_output"; then
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error=true
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else
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error=false
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fi
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# If check_hpraid returned error, display output, save status and
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# exit
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if $error; then
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cp "$check_hpraid_output" "$check_hpraid_last"
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if $use_mail; then
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mail -s "RAID error on $hostname" "$clientmail" \
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<<< "$check_hpraid_output"
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else
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cat "$check_hpraid_output"
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fi
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exit 1
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fi
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if [ ! -f $check_hpraid_last ]; then
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cp "$check_hpraid_output" $check_hpraid_last
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fi
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# If output and last check is different, display differences and
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# exit
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md5_now=$(md5sum "$check_hpraid_output" | awk '{print $1}')
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md5_last=$(md5sum $check_hpraid_last | awk '{print $1}')
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if [[ "$md5_now" != "$md5_last" ]]; then
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cat << EOT > "$body"
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Different RAID state detected.
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Was:
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$(sed 's/^/> /g' "$check_hpraid_last")
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###########################
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Is now:
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$(sed 's/^/> /g' "$check_hpraid_output")
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EOT
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if $use_mail; then
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mail -s "RAID status is different on $hostname" \
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"$clientmail" <<< "$body"
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else
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cat "$body"
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fi
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cp "$check_hpraid_output" "$check_hpraid_last"
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exit 1
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fi
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}
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trapFunc() {
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rm "$check_hpraid_output" "$body"
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}
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testDeps
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main
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