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Refactor notifications and add helper functions (#182)

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* Refactor notifications and add helper functions

* Add helper functions to simplify sourcing files and executing functions if they exist

* Create notify_v2.sh wrapper script

* Simplify and consolidate notification logic within notify_v2.sh

* Support notification management via environment variables

* Move secrets to dockcheck.config

* Fix NOTIFY_CHANNELS default value when not set

* Feedback changes

* Remove leading spaces from MessageBody

* Check for valid notify v2 variables

* Warn on missing configuration and bypass notifications

* Update readme

* Additional feedback fixes

* More comments in default.config with different # depth for comments and settings

* Rename NOTIFY_TOPIC_NAME variable to NTFY_TOPIC_NAME for consistency

* Add TELEGRAM_TOPIC_ID

* Fix AppriseURL variable

* Add an ending newline to all MessageBody statements for consistency

* Remove troubleshooting echo statement

* Prevent attempting to trigger notifications for notification templates if versions are the same

---------

Co-authored-by: Matthew Oleksowicz <matt@everyoneneeds.it>
This commit is contained in:
vorezal
2025-05-25 12:26:13 -04:00
committed by GitHub
parent e4b93d113c
commit c63e2441fa
16 changed files with 366 additions and 564 deletions
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54
notify_templates/notify_smtp.sh
View File

@@ -1,10 +1,15 @@
### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
NOTIFY_SMTP_VERSION="v0.1"
NOTIFY_SMTP_VERSION="v0.2"
# INFO: ssmtp is depcerated - consider to use msmtp instead.
#
# Copy/rename this file to notify.sh to enable the notification snipppet.
# mSMTP/sSMTP has to be installed and configured manually.
# Modify to fit your setup - changing SendMailFrom, SendMailTo, SubjectTag
# Do not modify this file directly. 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)
@@ -17,13 +22,10 @@ else
echo "No msmtp or ssmtp binary found in PATH: $PATH" ; exit 1
fi
FromHost=$(hostname)
trigger_notification() {
# User variables:
SendMailFrom="me@mydomain.tld"
SendMailTo="me@mydomain.tld"
SubjectTag="dockcheck"
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
$MailPkg $SendMailTo << __EOF
From: "$FromHost" <$SendMailFrom>
@@ -37,35 +39,3 @@ $MessageBody
__EOF
}
send_notification() {
[ -s "$ScriptWorkDir"/urls.list ] && releasenotes || Updates=("$@")
UpdToString=$( printf '%s\\n' "${Updates[@]}" )
printf "\nSending email notification.\n"
MessageTitle="Updates available on"
# Setting the MessageBody variable here.
printf -v MessageBody "🐋 Containers on $FromHost with updates available:\n\n$UpdToString"
trigger_notification
}
### Rename (eg. disabled_dockcheck_notification), remove or comment out the following function
### to not send notifications when dockcheck itself has updates.
dockcheck_notification() {
printf "\nSending email dockcheck notification.\n"
MessageTitle="New version of dockcheck available on"
# Setting the MessageBody variable here.
printf -v MessageBody "Installed version: $1 \nLatest version: $2 \n\nChangenotes: $3"
RawNotifyUrl="https://raw.githubusercontent.com/mag37/dockcheck/main/notify_templates/notify_smtp.sh"
LatestNotifyRelease="$(curl -s -r 0-150 $RawNotifyUrl | sed -n "/NOTIFY_SMTP_VERSION/s/NOTIFY_SMTP_VERSION=//p" | tr -d '"')"
if [[ "$NOTIFY_SMTP_VERSION" != "$LatestNotifyRelease" ]] ; then
printf -v NotifyUpdate "\n\nnotify_smtp.sh update avialable:\n $NOTIFY_SMTP_VERSION -> $LatestNotifyRelease\n"
MessageBody="${MessageBody}${NotifyUpdate}"
fi
trigger_notification
}