diff options
Diffstat (limited to 'heartbeat/MailTo')
| -rwxr-xr-x | heartbeat/MailTo | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/heartbeat/MailTo b/heartbeat/MailTo new file mode 100755 index 0000000..56940ba --- /dev/null +++ b/heartbeat/MailTo @@ -0,0 +1,199 @@ +#!/bin/sh +# +# Resource script for MailTo +# +# Author: Alan Robertson <alanr@unix.sh> +# +# Description: sends email to a sysadmin whenever a takeover occurs. +# +# Note: This command requires an argument, unlike normal init scripts. +# +# This can be given in the haresources file as: +# +# You can also give a mail subject line or even multiple addresses +# MailTo::alanr@unix.sh::BigImportantWebServer +# MailTo::alanr@unix.sh,spoppi@gmx.de::BigImportantWebServer +# +# This will then be put into the message subject and body. +# +# OCF parameters are as below: +# OCF_RESKEY_email +# OCF_RESKEY_subject +# +# License: GNU General Public License (GPL) +# +# Copyright: (C) 2005 International Business Machines + +####################################################################### +# Initialization: + +: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat} +. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs + +# Parameter defaults + +OCF_RESKEY_email_default="" +OCF_RESKEY_subject_default="Resource Group" + +: ${OCF_RESKEY_email=${OCF_RESKEY_email_default}} +: ${OCF_RESKEY_subject=${OCF_RESKEY_subject_default}} + +####################################################################### + +ARGS="$0 $*" + +us=`uname -n` + +usage() { + echo "Usage: $0 {start|stop|status|monitor|meta-data|validate-all}" +} + +meta_data() { + cat <<END +<?xml version="1.0"?> +<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd"> +<resource-agent name="MailTo" version="1.0"> +<version>1.0</version> + +<longdesc lang="en"> +This is a resource agent for MailTo. It sends email to a sysadmin whenever +a takeover occurs. +</longdesc> +<shortdesc lang="en">Notifies recipients by email in the event of resource takeover</shortdesc> + +<parameters> +<parameter name="email" unique="0" required="1"> +<longdesc lang="en"> +The email address of sysadmin. +</longdesc> +<shortdesc lang="en">Email address</shortdesc> +<content type="string" default="${OCF_RESKEY_email_default}" /> +</parameter> + +<parameter name="subject" unique="0"> +<longdesc lang="en"> +The subject of the email. +</longdesc> +<shortdesc lang="en">Subject</shortdesc> +<content type="string" default="${OCF_RESKEY_subject_default}" /> +</parameter> +</parameters> + +<actions> +<action name="start" timeout="10s" /> +<action name="stop" timeout="10s" /> +<action name="status" depth="0" timeout="10s" interval="10s" /> +<action name="monitor" depth="0" timeout="10s" interval="10s" /> +<action name="meta-data" timeout="5s" /> +<action name="validate-all" timeout="5s" /> +</actions> +</resource-agent> +END +} + +MailProgram() { + $MAILCMD -s "$1" "$email" <<EOF + $Subject + + Command line was: + $ARGS +EOF + return $? +} + +SubjectLine() { + case $1 in + ??*) echo "$@";; + *) echo "${OCF_RESKEY_subject_default}";; + esac +} + + +MailToStart() { + + Subject="`SubjectLine $subject` Takeover in progress at `date` on $us" + + MailProgram "$Subject" $1 + ha_pseudo_resource MailTo_${OCF_RESOURCE_INSTANCE} start +} + +MailToStop () { + Subject="`SubjectLine $subject` Migrating resource away at `date` from $us" + + MailProgram "$Subject" $1 + ha_pseudo_resource MailTo_${OCF_RESOURCE_INSTANCE} stop +} + +MailToStatus () { +# ocf_log warn "Don't stat/monitor me! MailTo is a pseudo resource agent, so the status reported may be incorrect" + + if ha_pseudo_resource MailTo_${OCF_RESOURCE_INSTANCE} monitor + then + echo "running" + return $OCF_SUCCESS + else + echo "stopped" + return $OCF_NOT_RUNNING + fi +} + +MailToValidateAll () { + if [ -z "$MAILCMD" ]; then + ocf_exit_reason "MAILCMD not set: complain to the packager" + exit $OCF_ERR_INSTALLED + fi + check_binary "$MAILCMD" + + return $OCF_SUCCESS +} + +# +# See how we were called. +# +# The order in which heartbeat provides arguments to resource +# scripts is broken. It should be fixed. +# + +if + ( [ $# -ne 1 ] ) +then + usage + exit $OCF_ERR_GENERIC +fi + +case $1 in + meta-data) meta_data + exit $OCF_SUCCESS + ;; + status|monitor) MailToStatus + exit $? + ;; + usage) usage + exit $OCF_SUCCESS + ;; + *) ;; +esac + +if + [ -z "$OCF_RESKEY_email" ] +then + ocf_exit_reason "At least 1 Email address has to be given!" + exit $OCF_ERR_CONFIGURED +fi + +email=$OCF_RESKEY_email +subject=$OCF_RESKEY_subject + +MailToValidateAll + +case $1 in + start) MailToStart + ;; + stop) MailToStop + ;; + validate-all) ;; + *) usage + exit $OCF_ERR_UNIMPLEMENTED + ;; +esac +exit $? |