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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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67
notify_templates/notify_telegram.sh
View File

@@ -1,58 +1,27 @@
### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
NOTIFY_TELEGRAM_VERSION="v0.1"
NOTIFY_TELEGRAM_VERSION="v0.2"
#
# Copy/rename this file to notify.sh to enable the notification snippet.
# Required receiving services must already be set up.
# Modify to fit your setup - set TelegramChatId and TelegramToken.
# Do not modify this file directly. Set TELEGRAM_CHAT_ID and TELEGRAM_TOKEN in your dockcheck.config file.
FromHost=$(hostname)
if [[ -z "${TELEGRAM_CHAT_ID:-}" ]] || [[ -z "${TELEGRAM_TOKEN:-}" ]]; then
printf "Telegram notification channel enabled, but required configuration variables are missing. Telegram notifications will not be sent.\n"
trigger_notification() {
remove_channel telegram
fi
if [[ "$PrintMarkdownURL" == true ]]; then
ParseMode="Markdown"
else
ParseMode="HTML"
fi
trigger_telegram_notification() {
if [[ "$PrintMarkdownURL" == true ]]; then
ParseMode="Markdown"
else
ParseMode="HTML"
fi
# Modify to fit your setup:
TelegramToken="Your Telegram token here"
TelegramChatId="Your Telegram ChatId here"
TelegramUrl="https://api.telegram.org/bot$TelegramToken"
TelegramTopicID=12345678 ## Set to 0 if not using specific topic within chat
TelegramData="{\"chat_id\":\"$TelegramChatId\",\"text\":\"$MessageBody\",\"message_thread_id\":\"$TelegramTopicID\",\"disable_notification\": false}"
TelegramToken="${TELEGRAM_TOKEN}" # e.g. TELEGRAM_TOKEN=token-value
TelegramChatId="${TELEGRAM_CHAT_ID}" # e.g. TELEGRAM_CHAT_ID=mychatid
TelegramUrl="https://api.telegram.org/bot$TelegramToken"
TelegramTopicID=${TELEGRAM_TOPIC_ID:="0"}
TelegramData="{\"chat_id\":\"$TelegramChatId\",\"text\":\"$MessageBody\",\"message_thread_id\":\"$TelegramTopicID\",\"disable_notification\": false}"
curl -sS -o /dev/null --fail -X POST "$TelegramUrl/sendMessage" -H 'Content-Type: application/json' -d "$TelegramData"
}
send_notification() {
[ -s "$ScriptWorkDir"/urls.list ] && releasenotes || Updates=("$@")
UpdToString=$( printf '%s\\n' "${Updates[@]}" )
# platform specific notification code would go here
printf "\nSending Telegram notification\n"
# Setting the MessageBody variable here.
MessageBody="🐋 Containers on $FromHost with updates available: \n$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 Telegram dockcheck notification\n"
MessageTitle="$FromHost - New version of dockcheck available."
# Setting the MessageBody variable here.
printf -v MessageBody "$FromHost - New version of dockcheck available.\n\nInstalled version: $1 \nLatest version: $2 \n\nChangenotes: $3"
RawNotifyUrl="https://raw.githubusercontent.com/mag37/dockcheck/main/notify_templates/notify_telegram.sh"
LatestNotifyRelease="$(curl -s -r 0-150 $RawNotifyUrl | sed -n "/NOTIFY_TELEGRAM_VERSION/s/NOTIFY_TELEGRAM_VERSION=//p" | tr -d '"')"
if [[ "$NOTIFY_TELEGRAM_VERSION" != "$LatestNotifyRelease" ]] ; then
printf -v NotifyUpdate "\n\nnotify_telegram.sh update avialable:\n $NOTIFY_TELEGRAM_VERSION -> $LatestNotifyRelease\n"
MessageBody="${MessageBody}${NotifyUpdate}"
fi
trigger_notification
curl -sS -o /dev/null --fail -X POST "$TelegramUrl/sendMessage" -H 'Content-Type: application/json' -d "$TelegramData"
}