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Check for required parameters in notification scripts; add error helpers 

refs #5170
This commit is contained in:
Michael Friedrich 2017-05-10 13:22:44 +02:00
parent 91ab8551c7
commit 7b9f478bc1
2 changed files with 118 additions and 72 deletions
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90
etc/icinga2/scripts/mail-host-notification.sh
View File

@ -5,65 +5,87 @@ HOSTNAME="`hostname`"
MAILBIN="mail" MAILBIN="mail"
if [ -z "`which $MAILBIN`" ] ; then if [ -z "`which $MAILBIN`" ] ; then
echo "$MAILBIN not in \$PATH. Consider installing it." echo "$MAILBIN not found in \$PATH. Consider installing it."
exit 1 exit 1
fi fi
## Function helpers
Usage() { Usage() {
cat << EOF cat << EOF
Required parameters: Required parameters:
-4 HOSTADDRESS (\$address$) -4 HOSTADDRESS (\$address\$)
-6 HOSTADDRESS6 (\$address6$) -d LONGDATETIME (\$icinga.long_date_time\$)
-d LONGDATETIME (\$icinga.long_date_time$) -l HOSTNAME (\$host.name\$)
-l HOSTALIAS (\$host.name$) -n HOSTDISPLAYNAME (\$host.display_name\$)
-n HOSTDISPLAYNAME (\$host.display_name$) -o HOSTOUTPUT (\$host.output\$)
-o HOSTOUTPUT (\$host.output$) -r USEREMAIL (\$user.email\$)
-r USEREMAIL (\$user.email$) -s HOSTSTATE (\$host.state\$)
-s HOSTSTATE (\$host.state$) -t NOTIFICATIONTYPE (\$notification.type\$)
-t NOTIFICATIONTYPE (\$notification.type$)
Optional parameters: Optional parameters:
-b NOTIFICATIONAUTHORNAME (\$notification.author$) -6 HOSTADDRESS6 (\$address6\$)
-c NOTIFICATIONCOMMENT (\$notification.comment$) -b NOTIFICATIONAUTHORNAME (\$notification.author\$)
-i ICINGAWEB2URL (\$notification_icingaweb2url$, Default: unset) -c NOTIFICATIONCOMMENT (\$notification.comment\$)
-f MAILFROM (\$notification_mailfrom$, requires GNU mailutils) -i ICINGAWEB2URL (\$notification_icingaweb2url\$, Default: unset)
-v (\$notification_sendtosyslog$, Default: false) -f MAILFROM (\$notification_mailfrom\$, requires GNU mailutils)
-v (\$notification_sendtosyslog\$, Default: false)
EOF EOF
}
Help() {
Usage;
exit 0;
}
Error() {
if [ "$1" ]; then
echo $1
fi
Usage;
exit 1; exit 1;
} }
## Main
while getopts 4:6::b:c:d:f:hi:l:n:o:r:s:t:v: opt while getopts 4:6::b:c:d:f:hi:l:n:o:r:s:t:v: opt
do do
case "$opt" in case "$opt" in
4) HOSTADDRESS=$OPTARG ;; 4) HOSTADDRESS=$OPTARG ;; # required
6) HOSTADDRESS6=$OPTARG ;; 6) HOSTADDRESS6=$OPTARG ;;
b) NOTIFICATIONAUTHORNAME=$OPTARG ;; b) NOTIFICATIONAUTHORNAME=$OPTARG ;;
c) NOTIFICATIONCOMMENT=$OPTARG ;; c) NOTIFICATIONCOMMENT=$OPTARG ;;
d) LONGDATETIME=$OPTARG ;; d) LONGDATETIME=$OPTARG ;; # required
f) MAILFROM=$OPTARG ;; f) MAILFROM=$OPTARG ;;
h) Usage ;; h) Help ;;
i) ICINGAWEB2URL=$OPTARG ;; i) ICINGAWEB2URL=$OPTARG ;;
l) HOSTALIAS=$OPTARG ;; l) HOSTNAME=$OPTARG ;; # required
n) HOSTDISPLAYNAME=$OPTARG ;; n) HOSTDISPLAYNAME=$OPTARG ;; # required
o) HOSTOUTPUT=$OPTARG ;; o) HOSTOUTPUT=$OPTARG ;; # required
r) USEREMAIL=$OPTARG ;; r) USEREMAIL=$OPTARG ;; # required
s) HOSTSTATE=$OPTARG ;; s) HOSTSTATE=$OPTARG ;; # required
t) NOTIFICATIONTYPE=$OPTARG ;; t) NOTIFICATIONTYPE=$OPTARG ;; # required
v) VERBOSE=$OPTARG ;; v) VERBOSE=$OPTARG ;;
\?) echo "ERROR: Invalid option -$OPTARG" >&2 \?) echo "ERROR: Invalid option -$OPTARG" >&2
Usage ;; Error ;;
:) echo "Missing option argument for -$OPTARG" >&2 :) echo "Missing option argument for -$OPTARG" >&2
Usage ;; Error ;;
*) echo "Unimplemented option: -$OPTARG" >&2 *) echo "Unimplemented option: -$OPTARG" >&2
Usage ;; Error ;;
esac esac
done done
shift $((OPTIND - 1)) shift $((OPTIND - 1))
## Check required parameters (TODO: better error message)
## Keep formatting in sync with mail-service-notification.sh
if [ ! "$HOSTADDRESS" ] || [ ! "$LONGDATETIME" ] \
|| [ ! "$HOSTNAME" ] || [ ! "$HOSTDISPLAYNAME" ] \
|| [ ! "$HOSTOUTPUT" ] || [ ! "$HOSTSTATE" ] \
|| [ ! "$USEREMAIL" ] || [ ! "$NOTIFICATIONTYPE" ]; then
Error "Requirement parameters are missing."
fi
## Build the message's subject ## Build the message's subject
SUBJECT="[$NOTIFICATIONTYPE] Host $HOSTDISPLAYNAME is $HOSTSTATE!" SUBJECT="[$NOTIFICATIONTYPE] Host $HOSTDISPLAYNAME is $HOSTSTATE!"
@ -81,13 +103,13 @@ IPv4: $HOSTADDRESS
EOF EOF
` `
## Is this host IPv6 capable? Put its address into the message. ## Check whether IPv6 was specified.
if [ -n "$HOSTADDRESS6" ] ; then if [ -n "$HOSTADDRESS6" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
IPv6: $HOSTADDRESS6" IPv6: $HOSTADDRESS6"
fi fi
## Are there any comments? Put them into the message. ## Check whether author and comment was specified.
if [ -n "$NOTIFICATIONCOMMENT" ] ; then if [ -n "$NOTIFICATIONCOMMENT" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
@ -95,21 +117,21 @@ Comment by $NOTIFICATIONAUTHORNAME:
$NOTIFICATIONCOMMENT" $NOTIFICATIONCOMMENT"
fi fi
## Are we using Icinga Web 2? Put the URL into the message. ## Check whether Icinga Web 2 URL was specified.
if [ -n "$ICINGAWEB2URL" ] ; then if [ -n "$ICINGAWEB2URL" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
URL: URL:
$ICINGAWEB2URL/monitoring/host/show?host=$HOSTALIAS" $ICINGAWEB2URL/monitoring/host/show?host=$HOSTNAME"
fi fi
## Are we verbose? Then put a message to syslog. ## Check whether verbose mode was enabled and log to syslog.
if [ "$VERBOSE" == "true" ] ; then if [ "$VERBOSE" == "true" ] ; then
logger "$PROG sends $SUBJECT => $USEREMAIL" logger "$PROG sends $SUBJECT => $USEREMAIL"
fi fi
## And finally: send the message using $MAILBIN command. ## Send the mail using the $MAILBIN command.
## Do we have an explicit sender? Then we'll use it. ## If an explicit sender was specified, try to set it.
if [ -n "$MAILFROM" ] ; then if [ -n "$MAILFROM" ] ; then
/usr/bin/printf "%b" "$NOTIFICATION_MESSAGE" \ /usr/bin/printf "%b" "$NOTIFICATION_MESSAGE" \
| $MAILBIN -a "From: $MAILFROM" -s "$SUBJECT" $USEREMAIL | $MAILBIN -a "From: $MAILFROM" -s "$SUBJECT" $USEREMAIL

94
etc/icinga2/scripts/mail-service-notification.sh
View File

@ -5,56 +5,70 @@ HOSTNAME="`hostname`"
MAILBIN="mail" MAILBIN="mail"
if [ -z "`which $MAILBIN`" ] ; then if [ -z "`which $MAILBIN`" ] ; then
echo "$MAILBIN not in \$PATH. Consider installing it." echo "$MAILBIN not found in \$PATH. Consider installing it."
exit 1 exit 1
fi fi
## Function helpers
Usage() { Usage() {
cat << EOF cat << EOF
Required parameters: Required parameters:
-4 HOSTADDRESS (\$address$) -4 HOSTADDRESS (\$address\$)
-6 HOSTADDRESS (\$address6$) -d LONGDATETIME (\$icinga.long_date_time\$)
-d LONGDATETIME (\$icinga.long_date_time$) -e SERVICENAME (\$service.name\$)
-e SERVICENAME (\$service.name$) -l HOSTNAME (\$host.name\$)
-l HOSTALIAS (\$host.name$) -n HOSTDISPLAYNAME (\$host.display_name\$)
-n HOSTDISPLAYNAME (\$host.display_name$) -o SERVICEOUTPUT (\$service.output\$)
-o SERVICEOUTPUT (\$service.output$) -r USEREMAIL (\$user.email\$)
-r USEREMAIL (\$user.email$) -s SERVICESTATE (\$service.state\$)
-s SERVICESTATE (\$service.state$) -t NOTIFICATIONTYPE (\$notification.type\$)
-t NOTIFICATIONTYPE (\$notification.type$) -u SERVICEDISPLAYNAME (\$service.display_name\$)
-u SERVICEDISPLAYNAME (\$service.display_name$)
Optional parameters: Optional parameters:
-b NOTIFICATIONAUTHORNAME (\$notification.author$) -6 HOSTADDRESS6 (\$address6\$)
-c NOTIFICATIONCOMMENT (\$notification.comment$) -b NOTIFICATIONAUTHORNAME (\$notification.author\$)
-i ICINGAWEB2URL (\$notification_icingaweb2url$, Default: unset) -c NOTIFICATIONCOMMENT (\$notification.comment\$)
-f MAILFROM (\$notification_mailfrom$, requires GNU mailutils) -i ICINGAWEB2URL (\$notification_icingaweb2url\$, Default: unset)
e -v (\$notification_sendtosyslog$, Default: false) -f MAILFROM (\$notification_mailfrom\$, requires GNU mailutils)
-v (\$notification_sendtosyslog\$, Default: false)
EOF EOF
}
Help() {
Usage;
exit 0;
}
Error() {
if [ "$1" ]; then
echo $1
fi
Usage;
exit 1; exit 1;
} }
## Main
while getopts 4:6:b:c:d:e:f:hi:l:n:o:r:s:t:u:v: opt while getopts 4:6:b:c:d:e:f:hi:l:n:o:r:s:t:u:v: opt
do do
case "$opt" in case "$opt" in
4) HOSTADDRESS=$OPTARG ;; 4) HOSTADDRESS=$OPTARG ;; # required
6) HOSTADDRESS6=$OPTARG ;; 6) HOSTADDRESS6=$OPTARG ;;
b) NOTIFICATIONAUTHORNAME=$OPTARG ;; b) NOTIFICATIONAUTHORNAME=$OPTARG ;;
c) NOTIFICATIONCOMMENT=$OPTARG ;; c) NOTIFICATIONCOMMENT=$OPTARG ;;
d) LONGDATETIME=$OPTARG ;; d) LONGDATETIME=$OPTARG ;; # required
e) SERVICENAME=$OPTARG ;; e) SERVICENAME=$OPTARG ;; # required
f) MAILFROM=$OPTARG ;; f) MAILFROM=$OPTARG ;;
h) Usage ;; h) Usage ;;
i) ICINGAWEB2URL=$OPTARG ;; i) ICINGAWEB2URL=$OPTARG ;;
l) HOSTALIAS=$OPTARG ;; l) HOSTNAME=$OPTARG ;; # required
n) HOSTDISPLAYNAME=$OPTARG ;; n) HOSTDISPLAYNAME=$OPTARG ;; # required
o) SERVICEOUTPUT=$OPTARG ;; o) SERVICEOUTPUT=$OPTARG ;; # required
r) USEREMAIL=$OPTARG ;; r) USEREMAIL=$OPTARG ;; # required
s) SERVICESTATE=$OPTARG ;; s) SERVICESTATE=$OPTARG ;; # required
t) NOTIFICATIONTYPE=$OPTARG ;; t) NOTIFICATIONTYPE=$OPTARG ;; # required
u) SERVICEDISPLAYNAME=$OPTARG ;; u) SERVICEDISPLAYNAME=$OPTARG ;; # required
v) VERBOSE=$OPTARG ;; v) VERBOSE=$OPTARG ;;
\?) echo "ERROR: Invalid option -$OPTARG" >&2 \?) echo "ERROR: Invalid option -$OPTARG" >&2
Usage ;; Usage ;;
@ -67,6 +81,16 @@ done
shift $((OPTIND - 1)) shift $((OPTIND - 1))
## Check required parameters (TODO: better error message)
## Keep formatting in sync with mail-host-notification.sh
if [ ! "$HOSTADDRESS" ] || [ ! "$LONGDATETIME" ] \
|| [ ! "$HOSTNAME" ] || [ ! "$HOSTDISPLAYNAME" ] \
|| [ ! "$SERVICENAME" ] || [ ! "$SERVICEDISPLAYNAME" ] \
|| [ ! "$SERVICEOUTPUT" ] || [ ! "$SERVICESTATE" ] \
|| [ ! "$USEREMAIL" ] || [ ! "$NOTIFICATIONTYPE" ]; then
Error "Requirement parameters are missing."
fi
## Build the message's subject ## Build the message's subject
SUBJECT="[$NOTIFICATIONTYPE] $SERVICEDISPLAYNAME on $HOSTDISPLAYNAME is $SERVICESTATE!" SUBJECT="[$NOTIFICATIONTYPE] $SERVICEDISPLAYNAME on $HOSTDISPLAYNAME is $SERVICESTATE!"
@ -85,13 +109,13 @@ IPv4: $HOSTADDRESS
EOF EOF
` `
## Is this host IPv6 capable? Put its address into the message. ## Check whether IPv6 was specified.
if [ -n "$HOSTADDRESS6" ] ; then if [ -n "$HOSTADDRESS6" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
IPv6: $HOSTADDRESS6" IPv6: $HOSTADDRESS6"
fi fi
## Are there any comments? Put them into the message. ## Check whether author and comment was specified.
if [ -n "$NOTIFICATIONCOMMENT" ] ; then if [ -n "$NOTIFICATIONCOMMENT" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
@ -99,21 +123,21 @@ Comment by $NOTIFICATIONAUTHORNAME:
$NOTIFICATIONCOMMENT" $NOTIFICATIONCOMMENT"
fi fi
## Are we using Icinga Web 2? Put the URL into the message. ## Check whether Icinga Web 2 URL was specified.
if [ -n "$ICINGAWEB2URL" ] ; then if [ -n "$ICINGAWEB2URL" ] ; then
NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE NOTIFICATION_MESSAGE="$NOTIFICATION_MESSAGE
Get live status: URL:
$ICINGAWEB2URL/monitoring/service/show?host=$HOSTALIAS&service=$SERVICENAME" $ICINGAWEB2URL/monitoring/service/show?host=$HOSTNAME&service=$SERVICENAME"
fi fi
## Are we verbose? Then put a message to syslog. ## Check whether verbose mode was enabled and log to syslog.
if [ "$VERBOSE" == "true" ] ; then if [ "$VERBOSE" == "true" ] ; then
logger "$PROG sends $SUBJECT => $USEREMAIL" logger "$PROG sends $SUBJECT => $USEREMAIL"
fi fi
## And finally: send the message using $MAILBIN command. ## Send the mail using the $MAILBIN command.
## Do we have an explicit sender? Then we'll use it. ## If an explicit sender was specified, try to set it.
if [ -n "$MAILFROM" ] ; then if [ -n "$MAILFROM" ] ; then
/usr/bin/printf "%b" "$NOTIFICATION_MESSAGE" \ /usr/bin/printf "%b" "$NOTIFICATION_MESSAGE" \
| $MAILBIN -a "From: $MAILFROM" -s "$SUBJECT" $USEREMAIL | $MAILBIN -a "From: $MAILFROM" -s "$SUBJECT" $USEREMAIL