250 lines
8.9 KiB
Bash
250 lines
8.9 KiB
Bash
#!/usr/bin/env ksh
|
|
#******************************************************************************
|
|
# @(#) notify_mail.sh
|
|
#******************************************************************************
|
|
# @(#) Copyright (C) 2017 by KUDOS BVBA (info@kudos.be). All rights reserved.
|
|
#
|
|
# This program is a free software; you can redistribute it and/or modify
|
|
# it under the same terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful, but WITHOUT
|
|
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details
|
|
#******************************************************************************
|
|
#
|
|
# DOCUMENTATION (MAIN)
|
|
# -----------------------------------------------------------------------------
|
|
# @(#) MAIN: notify_mail
|
|
# DOES: send e-mail alert
|
|
# EXPECTS: 1=HC name [string], 2=HC FAIL_ID [string]
|
|
# RETURNS: 0
|
|
# REQUIRES: curl, die(), init_hc(), log()
|
|
#
|
|
# -----------------------------------------------------------------------------
|
|
# DO NOT CHANGE THIS FILE UNLESS YOU KNOW WHAT YOU ARE DOING!
|
|
#******************************************************************************
|
|
|
|
# -----------------------------------------------------------------------------
|
|
function notify_mail
|
|
{
|
|
# ------------------------- CONFIGURATION starts here -------------------------
|
|
typeset _VERSION="2018-10-28" # YYYY-MM-DD
|
|
typeset _SUPPORTED_PLATFORMS="AIX,HP-UX,Linux" # uname -s match
|
|
# ------------------------- CONFIGURATION ends here ---------------------------
|
|
|
|
# set defaults
|
|
(( ARG_DEBUG > 0 && ARG_DEBUG_LEVEL > 0 )) && set "${DEBUG_OPTS}"
|
|
init_hc "$0" "${_SUPPORTED_PLATFORMS}" "${_VERSION}"
|
|
|
|
typeset _MAIL_HC="$1"
|
|
typeset _MAIL_FAIL_ID="$2"
|
|
|
|
typeset _HC_BODY=""
|
|
typeset _HC_STDOUT_LOG_SHORT=""
|
|
typeset _HC_STDERR_LOG_SHORT=""
|
|
typeset _MAIL_MSG_STC=""
|
|
typeset _MAIL_MSG_TEXT=""
|
|
typeset _MAIL_INFO_TPL="${CONFIG_DIR}/core/templates/mail_info.tpl"
|
|
typeset _MAIL_HEADER_TPL="${CONFIG_DIR}/core/templates/mail_header.tpl"
|
|
typeset _MAIL_BODY_TPL="${CONFIG_DIR}/core/templates/mail_body.tpl"
|
|
typeset _MAIL_FOOTER_TPL="${CONFIG_DIR}/core/templates/mail_footer.tpl"
|
|
typeset _MAIL_STDOUT_LOG=""
|
|
typeset _MAIL_STDERR_LOG=""
|
|
typeset _MAIL_STDOUT_MSG=""
|
|
typeset _MAIL_STDERR_MSG=""
|
|
typeset _MAIL_ATTACH_BIT=""
|
|
typeset _MAIL_METHOD=""
|
|
typeset _MAIL_RC=0
|
|
typeset _MAILX_BIN=""
|
|
typeset _MUTT_BIN=""
|
|
typeset _SENDMAIL_BIN=""
|
|
typeset _UUENCODE_BIN=""
|
|
typeset _TMP1_MAIL_FILE="${TMP_DIR}/.${SCRIPT_NAME}.mail.tmp1.$$"
|
|
typeset _TMP2_MAIL_FILE="${TMP_DIR}/.${SCRIPT_NAME}.mail.tmp2.$$"
|
|
typeset _NOW="$(date '+%d-%h-%Y %H:%M:%S')"
|
|
typeset _SUBJ_MSG="[${HOST_NAME}] HC ${_MAIL_HC} failed (${_NOW})"
|
|
# shellcheck disable=SC2034
|
|
typeset _FROM_MSG="${EXEC_USER}@${HOST_NAME}"
|
|
|
|
# set local trap for cleanup
|
|
# shellcheck disable=SC2064
|
|
trap "[[ -f ${_TMP1_MAIL_FILE} ]] && rm -f ${_TMP1_MAIL_FILE} >/dev/null 2>&1; [[ -f ${_TMP2_MAIL_FILE} ]] && rm -f ${_TMP2_MAIL_FILE} >/dev/null 2>&1; return 0" 0
|
|
# shellcheck disable=SC2064
|
|
trap "[[ -f ${_TMP1_MAIL_FILE} ]] && rm -f ${_TMP1_MAIL_FILE} >/dev/null 2>&1; [[ -f ${_TMP2_MAIL_FILE} ]] && rm -f ${_TMP2_MAIL_FILE} >/dev/null 2>&1; return 1" 1 2 3 15
|
|
|
|
# set short paths for STDOUT/STDERR logs
|
|
_HC_STDOUT_LOG_SHORT="${HC_STDOUT_LOG##*/}"
|
|
_HC_STDERR_LOG_SHORT="${HC_STDERR_LOG##*/}"
|
|
|
|
# check & determine mailer tools
|
|
case "${OS_NAME}" in
|
|
"Linux")
|
|
# prefer mutt :-)
|
|
_MUTT_BIN="$(which mutt 2>/dev/null)"
|
|
if [[ -x ${_MUTT_BIN} ]] && [[ -n "${_MUTT_BIN}" ]]
|
|
then
|
|
_MAIL_METHOD="mutt"
|
|
else
|
|
# prefer mailx next
|
|
_MAILX_BIN="$(which mailx 2>/dev/null)"
|
|
if [[ -x ${_MAILX_BIN} ]] && [[ -n "${_MAILX_BIN}" ]]
|
|
then
|
|
_MAIL_METHOD="mailx"
|
|
else
|
|
_MAIL_METHOD="sendmail"
|
|
fi
|
|
fi
|
|
;;
|
|
*)
|
|
_MAIL_METHOD="sendmail"
|
|
;;
|
|
esac
|
|
# check if fall-back & last resort exists
|
|
if [[ "${_MAIL_METHOD}" = "sendmail" ]]
|
|
then
|
|
# find 'sendmail'
|
|
_SENDMAIL_BIN="$(which sendmail 2>/dev/null)"
|
|
if [[ ! -x ${_SENDMAIL_BIN} ]] || [[ -z "${_SENDMAIL_BIN}" ]]
|
|
then
|
|
die "unable to send e-mail - sendmail is not installed here"
|
|
fi
|
|
# find 'uuencode'
|
|
_UUENCODE_BIN="$(which uuencode 2>/dev/null)"
|
|
if [[ ! -x ${_UUENCODE_BIN} ]] || [[ -z "${_UUENCODE_BIN}" ]]
|
|
then
|
|
die "unable to send e-mail - uuencode is not installed here"
|
|
fi
|
|
fi
|
|
|
|
# create info part (not for mailx or mutt)
|
|
if [[ "${_MAIL_METHOD}" = "sendmail" ]]
|
|
then
|
|
[[ -r "${_MAIL_INFO_TPL}" ]] || die "cannot read mail info template at ${_MAIL_INFO_TPL}"
|
|
eval "cat << __EOT
|
|
$(sed 's/[\$`]/\\&/g;s/<## @\([^ ]*\) ##>/${\1}/g' <${_MAIL_INFO_TPL})
|
|
__EOT" >${_TMP1_MAIL_FILE}
|
|
fi
|
|
|
|
# create header part
|
|
[[ -r "${_MAIL_HEADER_TPL}" ]] || die "cannot read mail header template at ${_MAIL_HEADER_TPL}"
|
|
eval "cat << __EOT
|
|
$(sed 's/[\$`]/\\&/g;s/<## @\([^ ]*\) ##>/${\1}/g' <${_MAIL_HEADER_TPL})
|
|
__EOT" >>${_TMP1_MAIL_FILE}
|
|
|
|
# create body part (from $HC_MSG_VAR)
|
|
print "${HC_MSG_VAR}" | while IFS=${MSG_SEP} read _MAIL_MSG_STC _ _MAIL_MSG_TEXT _MAIL_MSG_CUR_VAL _MAIL_MSG_EXP_VAL
|
|
do
|
|
# magically unquote if needed
|
|
if [[ -n "${_MAIL_MSG_TEXT}" ]]
|
|
then
|
|
data_contains_string "${_MAIL_MSG_TEXT}" "${MAGIC_QUOTE}"
|
|
if (( $? > 0 ))
|
|
then
|
|
_MAIL_MSG_TEXT=$(data_magic_unquote "${_MAIL_MSG_TEXT}")
|
|
fi
|
|
fi
|
|
if [[ -n "${_MAIL_MSG_CUR_VAL}" ]]
|
|
then
|
|
data_contains_string "${_MAIL_MSG_CUR_VAL}" "${MAGIC_QUOTE}"
|
|
if (( $? > 0 ))
|
|
then
|
|
_MAIL_MSG_CUR_VAL=$(data_magic_unquote "${_MAIL_MSG_CUR_VAL}")
|
|
fi
|
|
fi
|
|
if [[ -n "${_MAIL_MSG_EXP_VAL}" ]]
|
|
then
|
|
data_contains_string "${_MAIL_MSG_EXP_VAL}" "${MAGIC_QUOTE}"
|
|
if (( $? > 0 ))
|
|
then
|
|
_MAIL_MSG_EXP_VAL=$(data_magic_unquote "${_MAIL_MSG_EXP_VAL}")
|
|
fi
|
|
fi
|
|
if (( _MAIL_MSG_STC > 0 ))
|
|
then
|
|
_HC_BODY=$(printf "%s\n%s\n" "${_HC_BODY}" "${_MAIL_MSG_TEXT}")
|
|
fi
|
|
done
|
|
|
|
# check for custom template
|
|
[[ -r "${_MAIL_BODY_TPL}-${_MAIL_HC}" ]] && _MAIL_BODY_TPL="${_MAIL_BODY_TPL}-${_MAIL_HC}"
|
|
[[ -r "${_MAIL_BODY_TPL}" ]] || die "cannot read mail body template at ${_MAIL_BODY_TPL}"
|
|
eval "cat << __EOT
|
|
$(sed 's/[\$`]/\\&/g;s/<## @\([^ ]*\) ##>/${\1}/g' <${_MAIL_BODY_TPL})
|
|
__EOT" >>${_TMP1_MAIL_FILE}
|
|
|
|
# HC STDOUT log? (drop the .$$ bit)
|
|
_MAIL_STDOUT_LOG="${EVENTS_DIR}/${DIR_PREFIX}/${_MAIL_FAIL_ID}/${_HC_STDOUT_LOG_SHORT%.*}"
|
|
if [[ -s "${_MAIL_STDOUT_LOG}" ]]
|
|
then
|
|
# shellcheck disable=SC2034
|
|
_MAIL_STDOUT_MSG="${_MAIL_STDOUT_LOG}"
|
|
_MAIL_ATTACH_BIT="-a ${_MAIL_STDOUT_LOG}"
|
|
else
|
|
# shellcheck disable=SC2034
|
|
_MAIL_STDOUT_MSG="no log file available"
|
|
fi
|
|
# HC STDERR? (drop the .$$ bit)
|
|
_MAIL_STDERR_LOG="${EVENTS_DIR}/${DIR_PREFIX}/${_MAIL_FAIL_ID}/${_HC_STDERR_LOG_SHORT%.*}"
|
|
if [[ -s "${_MAIL_STDERR_LOG}" ]]
|
|
then
|
|
# shellcheck disable=SC2034
|
|
_MAIL_STDERR_MSG="${_MAIL_STDERR_LOG}"
|
|
_MAIL_ATTACH_BIT="${_MAIL_ATTACH_BIT} -a ${_MAIL_STDERR_LOG}"
|
|
else
|
|
# shellcheck disable=SC2034
|
|
_MAIL_STDERR_MSG="no log file available"
|
|
fi
|
|
|
|
# create footer part
|
|
[[ -r ${_MAIL_FOOTER_TPL} ]] || die "cannot read mail body template at ${_MAIL_FOOTER_TPL}"
|
|
eval "cat << __EOT
|
|
$(sed 's/[\$`]/\\&/g;s/<## @\([^ ]*\) ##>/${\1}/g' <${_MAIL_FOOTER_TPL})
|
|
__EOT" >>${_TMP1_MAIL_FILE}
|
|
|
|
# combine and send message components
|
|
case "${_MAIL_METHOD}" in
|
|
"mailx")
|
|
# remove non-ASCII characters to avoid Exchange ATT00001.bin
|
|
cat ${_TMP1_MAIL_FILE} | tr -cd '[:print:]\n' 2>/dev/null |\
|
|
${_MAILX_BIN} ${_MAIL_ATTACH_BIT} -s "${_SUBJ_MSG}" "${ARG_MAIL_TO}"
|
|
_MAIL_RC=$?
|
|
;;
|
|
"mutt")
|
|
# attach bit goes at the end
|
|
cat ${_TMP1_MAIL_FILE} 2>/dev/null |\
|
|
${_MUTT_BIN} -s "${_SUBJ_MSG}" "${ARG_MAIL_TO}" ${_MAIL_ATTACH_BIT}
|
|
_MAIL_RC=$?
|
|
;;
|
|
"sendmail")
|
|
[[ -s "${_MAIL_STDOUT_LOG}" ]] && \
|
|
uuencode ${_MAIL_STDOUT_LOG} stdout.log >>${_TMP2_MAIL_FILE} 2>/dev/null
|
|
[[ -s "${_MAIL_STDERR_LOG}" ]] && \
|
|
uuencode ${_MAIL_STDERR_LOG} stderr.log >>${_TMP2_MAIL_FILE} 2>/dev/null
|
|
cat ${_TMP1_MAIL_FILE} ${_TMP2_MAIL_FILE} 2>/dev/null | ${_SENDMAIL_BIN} -t
|
|
_MAIL_RC=$?
|
|
;;
|
|
*)
|
|
:
|
|
;;
|
|
esac
|
|
|
|
if (( _MAIL_RC == 0 ))
|
|
then
|
|
log "e-mail alert sent/queued to ${ARG_MAIL_TO}: ${_MAIL_HC} failed, FAIL_ID=${_MAIL_FAIL_ID}"
|
|
else
|
|
log "failed to send e-mail to ${ARG_MAIL_TO}: ${_MAIL_HC} failed, FAIL_ID=${_MAIL_FAIL_ID}"
|
|
fi
|
|
|
|
# clean up temporary files
|
|
[[ -f ${_TMP1_MAIL_FILE} ]] && rm -f ${_TMP1_MAIL_FILE} >/dev/null 2>&1
|
|
[[ -f ${_TMP2_MAIL_FILE} ]] && rm -f ${_TMP2_MAIL_FILE} >/dev/null 2>&1
|
|
|
|
return 0
|
|
}
|
|
|
|
#******************************************************************************
|
|
# END of script
|
|
#******************************************************************************
|