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31a45f1d84
* Add file notification channel * Bypass file channel notifications for dockcheck.sh script * Implement notification channel template reuse and advanced configuration variables. * Fix text insertion formatting for dockcheck script and container updates. * Fix dockcheck.sh notification csv and text output. * Fix ntfy variable references and replace tr for uppercase conversion. * Fix ALLOWEMPTY logic, undefined snippet case, and README formatting. * Refactor notification send/skip logic. Adjust missing variable return codes. * Adjust notifications README section for clarity and readability. --------- Co-authored-by: Matthew Oleksowicz <matt@everyoneneeds.it>
63 lines
2 KiB
Bash
63 lines
2 KiB
Bash
### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
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NOTIFY_SMTP_VERSION="v0.5"
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# INFO: ssmtp is depcerated - consider to use msmtp instead.
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#
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# mSMTP/sSMTP has to be installed and configured manually.
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# Leave (or place) this file in the "notify_templates" subdirectory within the same directory as the main dockcheck.sh script.
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# If you instead wish make your own modifications, make a copy in the same directory as the main dockcheck.sh script.
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# Do not modify this file directly within the "notify_templates" subdirectory. Set SMTP_MAIL_FROM, SMTP_MAIL_TO, and SMTP_SUBJECT_TAG in your dockcheck.config file.
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MSMTP=$(which msmtp)
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SSMTP=$(which ssmtp)
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SENDMAIL=$(which sendmail)
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if [ -n "$MSMTP" ] ; then
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MailPkg=$MSMTP
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elif [ -n "$SSMTP" ] ; then
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MailPkg=$SSMTP
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elif [ -n "$SENDMAIL" ] ; then
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MailPkg=$SENDMAIL
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else
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echo "No msmtp, ssmtp or sendmail binary found in PATH: $PATH" ; exit 1
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fi
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trigger_smtp_notification() {
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if [[ -n "$1" ]]; then
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smtp_channel="$1"
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else
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smtp_channel="smtp"
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fi
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UpperChannel="${smtp_channel^^}"
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SendMailFromVar="${UpperChannel}_MAIL_FROM"
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SendMailToVar="${UpperChannel}_MAIL_TO"
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SubjectTagVar="${UpperChannel}_SUBJECT_TAG"
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if [[ -z "${!SendMailFromVar:-}" ]] || [[ -z "${!SendMailToVar:-}" ]] || [[ -z "${!SubjectTagVar:-}" ]]; then
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printf "The ${smtp_channel} notification channel is enabled, but required configuration variables are missing. SMTP notifications will not be sent.\n"
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remove_channel smtp
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return 0
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fi
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SendMailFrom="${!SendMailFromVar}" # e.g. MAIL_FROM=me@mydomain.tld
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SendMailTo="${!SendMailToVar}" # e.g. MAIL_TO=me@mydomain.tld
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SubjectTag="${!SubjectTagVar}" # e.g. SUBJECT_TAG=dockcheck
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$MailPkg $SendMailTo << __EOF
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From: "$FromHost" <$SendMailFrom>
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date:$(date -R)
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To: <$SendMailTo>
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Subject: [$SubjectTag] $MessageTitle $FromHost
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Content-Type: text/plain; charset=UTF-8; format=flowed
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Content-Transfer-Encoding: 7bit
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$MessageBody
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__EOF
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if [[ $? -gt 0 ]]; then
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NotifyError=true
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fi
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}
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