Implement notification channel template reuse and advanced configuration variables.

This commit is contained in:
Matthew Oleksowicz 2025-08-20 03:42:21 -04:00
parent 5ab10a097e
commit dac955544b
17 changed files with 511 additions and 244 deletions

View file

@ -1,5 +1,5 @@
### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
NOTIFY_SMTP_VERSION="v0.4"
NOTIFY_SMTP_VERSION="v0.5"
# INFO: ssmtp is depcerated - consider to use msmtp instead.
#
# mSMTP/sSMTP has to be installed and configured manually.
@ -7,12 +7,6 @@ NOTIFY_SMTP_VERSION="v0.4"
# If you instead wish make your own modifications, make a copy in the same directory as the main dockcheck.sh script.
# 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.
if [[ -z "${SMTP_MAIL_FROM:-}" ]] || [[ -z "${SMTP_MAIL_TO:-}" ]] || [[ -z "${SMTP_SUBJECT_TAG:-}" ]]; then
printf "SMTP notification channel enabled, but required configuration variables are missing. SMTP notifications will not be sent.\n"
remove_channel smtp
fi
MSMTP=$(which msmtp)
SSMTP=$(which ssmtp)
SENDMAIL=$(which sendmail)
@ -28,9 +22,28 @@ else
fi
trigger_smtp_notification() {
SendMailFrom="${SMTP_MAIL_FROM}" # e.g. MAIL_FROM=me@mydomain.tld
SendMailTo="${SMTP_MAIL_TO}" # e.g. MAIL_TO=me@mydomain.tld
SubjectTag="${SMTP_SUBJECT_TAG}" # e.g. SUBJECT_TAG=dockcheck
if [[ -n "$1" ]]; then
smtp_channel="$1"
UpperChannel=$(tr '[:lower:]' '[:upper:]' <<< "$smtp_channel")
else
smtp_channel="smtp"
UpperChannel="SMTP"
fi
SendMailFromVar="${UpperChannel}_MAIL_FROM"
SendMailToVar="${UpperChannel}_MAIL_TO"
SubjectTagVar="${UpperChannel}_SUBJECT_TAG"
if [[ -z "${!SendMailFromVar:-}" ]] || [[ -z "${!SendMailToVar:-}" ]] || [[ -z "${!SubjectTagVar:-}" ]]; then
printf "The ${smtp_channel} notification channel is enabled, but required configuration variables are missing. SMTP notifications will not be sent.\n"
remove_channel smtp
return 1
fi
SendMailFrom="${!SendMailFromVar}" # e.g. MAIL_FROM=me@mydomain.tld
SendMailTo="${!SendMailToVar}" # e.g. MAIL_TO=me@mydomain.tld
SubjectTag="${!SubjectTagVar}" # e.g. SUBJECT_TAG=dockcheck
$MailPkg $SendMailTo << __EOF
From: "$FromHost" <$SendMailFrom>