Merge pull request #120 from zertrin/fix-email-handling
Full rework of email handling
This commit is contained in:
zertrin
commit
d7737e3045
1 changed files with 63 additions and 34 deletions
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@ -336,47 +336,82 @@ check_logdir()
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fi
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}
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mailcmd_sendmail() {
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# based on http://linux.die.net/man/8/sendmail.sendmail
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echo -e "From: ${EMAIL_FROM}\nSubject: ${EMAIL_SUBJECT}\n" | cat - "${LOGFILE}" | ${MAILCMD} "${EMAIL_TO}"
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}
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mailcmd_ssmtp() {
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# based on http://linux.die.net/man/8/ssmtp
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echo -e "From: ${EMAIL_FROM}\nSubject: ${EMAIL_SUBJECT}\n" | cat - "${LOGFILE}" | ${MAILCMD} "${EMAIL_TO}"
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}
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mailcmd_msmtp() {
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# based on http://manpages.ubuntu.com/manpages/precise/en/man1/msmtp.1.html
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echo -e "Subject: ${EMAIL_SUBJECT}\n" | cat - "${LOGFILE}" | ${MAILCMD} -f "${EMAIL_FROM}" -- "${EMAIL_TO}"
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}
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mailcmd_bsd_mailx() {
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# based on http://man.he.net/man1/bsd-mailx
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${MAILCMD} -s "${EMAIL_SUBJECT}" -a "From: ${EMAIL_FROM}" "${EMAIL_TO}" < "${LOGFILE}"
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}
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mailcmd_heirloom_mailx() {
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# based on http://heirloom.sourceforge.net/mailx/mailx.1.html
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${MAILCMD} -s "${EMAIL_SUBJECT}" -S from="${EMAIL_FROM}" "${EMAIL_TO}" < "${LOGFILE}"
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}
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mailcmd_nail() {
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# based on http://linux.die.net/man/1/nail
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${MAILCMD} -s "${EMAIL_SUBJECT}" -r "${EMAIL_FROM}" "${EMAIL_TO}" < "${LOGFILE}"
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}
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mailcmd_else() {
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mailcmd_sendmail
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}
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email_logfile()
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{
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if [ ! -z "${EMAIL_TO}" ]; then
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MAILCMD=$(which "${MAIL}")
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MAILCMD_REALPATH=$(readlink -e "${MAILCMD}")
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MAILCMD_BASENAME=${MAILCMD_REALPATH##*/}
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if [ ! -x "${MAILCMD}" ]; then
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echo -e "Email couldn't be sent. ${MAIL} not available." >> "${LOGFILE}"
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else
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EMAIL_SUBJECT=${EMAIL_SUBJECT:="duplicity-backup alert ${LOG_FILE}"}
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if [ "${MAIL}" = "ssmtp" ]; then
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echo """Subject: ${EMAIL_SUBJECT}""" | cat - "${LOGFILE}" | ${MAILCMD} -s "${EMAIL_TO}"
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elif [ "${MAIL}" = "msmtp" ]; then
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echo """Subject: ${EMAIL_SUBJECT}""" | cat - "${LOGFILE}" | ${MAILCMD} "${EMAIL_TO}"
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elif [ "${MAIL}" = "mailx" ]; then
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EMAIL_FROM=${EMAIL_FROM:+"-r ${EMAIL_FROM}"}
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${MAILCMD} -s """${EMAIL_SUBJECT}""" "${EMAIL_FROM}" "${EMAIL_TO}" < "${LOGFILE}"
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elif [ "${MAIL}" = "mail" ]; then
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case $(uname) in
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FreeBSD|Darwin|DragonFly|OpenBSD)
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${MAILCMD} -s """${EMAIL_SUBJECT}""" "${EMAIL_TO}" -- < "${LOGFILE}"
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;;
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*)
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${MAILCMD} -s """${EMAIL_SUBJECT}""" "${EMAIL_FROM}" "${EMAIL_TO}" -- -f "${EMAIL_FROM}" < "${LOGFILE}"
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;;
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esac
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elif [[ "${MAIL}" = "sendmail" ]]; then
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(echo """Subject: ${EMAIL_SUBJECT}""" ; cat "${LOGFILE}") | ${MAILCMD} -f "${EMAIL_FROM}" "${EMAIL_TO}"
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elif [ "${MAIL}" = "nail" ]; then
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${MAILCMD} -s """${EMAIL_SUBJECT}""" "${EMAIL_FROM}" "${EMAIL_TO}" < "${LOGFILE}"
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else
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${MAILCMD} """${EMAIL_SUBJECT}""" "${EMAIL_FROM}" "${EMAIL_TO}" < "${LOGFILE}"
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fi
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echo -e "Email alert sent to ${EMAIL_TO} using ${MAIL}" >> "${LOGFILE}"
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EMAIL_SUBJECT=${EMAIL_SUBJECT:="duplicity-backup ${BACKUP_STATUS:-"ERROR"} [${HOSTNAME}] ${LOG_FILE}"}
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case ${MAIL} in
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ssmtp)
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mailcmd_ssmtp;;
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msmtp)
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mailcmd_msmtp;;
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mail|mailx)
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case ${MAILCMD_BASENAME} in
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bsd-mailx)
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mailcmd_bsd_mailx;;
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heirloom-mailx)
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mailcmd_heirloom_mailx;;
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*)
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mailcmd_else;;
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esac
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;;
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sendmail)
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mailcmd_sendmail;;
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nail)
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mailcmd_nail;;
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*)
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mailcmd_else;;
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esac
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echo -e "Email notification sent to ${EMAIL_TO} using ${MAIL}" >> "${LOGFILE}"
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fi
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fi
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}
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send_notification()
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{
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NOTIFICATION_CONTENT="duplicity-backup ${BACKUP_STATUS:-"ERROR"} [${HOSTNAME}] - \`${LOGFILE}\`"
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if [ ! -z "${NOTIFICATION_SERVICE}" ]; then
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if [ "${NOTIFICATION_SERVICE}" = "slack" ]; then
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curl -X POST -H 'Content-type: application/json' --data "{\"text\": \"${NOTIFICATION_CONTENT}\", \"channel\": \"${SLACK_CHANNEL}\", \"username\": \"${SLACK_USERNAME}\", \"icon_emoji\": \":${SLACK_EMOJI}:\"}" "${SLACK_HOOK_URL}"
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echo -e "Slack notification sent to channel ${SLACK_CHANNEL}" >> "${LOGFILE}"
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fi
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fi
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}
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@ -858,22 +893,16 @@ esac
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echo -e "--------- END DUPLICITY-BACKUP SCRIPT ---------\n" >> "${LOGFILE}"
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# send email
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if [ "${BACKUP_ERROR}" ]; then
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EMAIL_SUBJECT="BACKUP ERROR: ${EMAIL_SUBJECT}"
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BACKUP_STATUS="ERROR"
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else
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EMAIL_SUBJECT="BACKUP OK: ${EMAIL_SUBJECT}"
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BACKUP_STATUS="OK"
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fi
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# send email
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[[ ${BACKUP_ERROR} || ! "$EMAIL_FAILURE_ONLY" = "yes" ]] && email_logfile
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# send notification
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if [ "${BACKUP_ERROR}" ]; then
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NOTIFICATION_CONTENT="BACKUP ERROR: ${HOSTNAME} - \`$LOGFILE\`"
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else
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NOTIFICATION_CONTENT="BACKUP OK: ${HOSTNAME} - \`$LOGFILE\`"
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fi
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[[ ${BACKUP_ERROR} || ! "$NOTIFICATION_FAILURE_ONLY" = "yes" ]] && send_notification
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# remove old logfiles
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