dockcheck/notify_templates/notify_slack.sh
mag37 8dd1bba75b
Clean&refactor (#148)
* cleaning spaces and consistent formatting
* removed more subshells
* progress bar cleanup
* moved uservars to a .config file
* rewritten options from yes/no to true/false
* initialized default variables
* added bash options: -euo pipefail, shopt -s nullglob and failglob
* quoting variables, cleaning syntax, logic and order
* unquoted some variables due to breakage
* added exit on pull-fail
* added new sponsor
* added Slack template
2025-03-30 13:31:34 +02:00

52 lines
2.1 KiB
Bash

### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
NOTIFY_SLACK_VERSION="v0.1"
#
# Copy/rename this file to notify.sh in the same directory as dockcheck.sh to enable the notification snippet.
# Setu app and token at https://api.slack.com/tutorials/tracks/posting-messages-with-curl
# Add your AccessToken and ChannelID below
FromHost=$(hostname)
trigger_notification() {
# Modify to fit your setup:
AccessToken="xoxb-not-a-real-token-this-will-not-work"
ChannelID="C123456"
SlackUrl="https://slack.com/api/chat.postMessage"
curl -sS -o /dev/null --show-error --fail \
-d "text=$MessageBody" -d "channel=$ChannelID" \
-H "Authorization: Bearer $AccessToken" \
-X POST $SlackUrl
}
send_notification() {
[ -s "$ScriptWorkDir"/urls.list ] && releasenotes || Updates=("$@")
UpdToString=$( printf '%s\\n' "${Updates[@]}" )
printf "\nSending Slack notification\n"
MessageTitle="$FromHost - updates available."
# Setting the MessageBody variable here.
printf -v 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 Slack dockcheck notification\n"
MessageTitle="$FromHost - New version of dockcheck available."
# Setting the MessageBody variable here.
printf -v MessageBody "Installed version: $1 \nLatest version: $2 \n\nChangenotes: $3"
RawNotifyUrl="https://raw.githubusercontent.com/mag37/dockcheck/main/notify_templates/notify_slack.sh"
LatestNotifyRelease="$(curl -s -r 0-150 $RawNotifyUrl | sed -n "/NOTIFY_SLACK_VERSION/s/NOTIFY_SLACK_VERSION=//p" | tr -d '"')"
if [[ "$NOTIFY_SLACK_VERSION" != "$LatestNotifyRelease" ]] ; then
printf -v NotifyUpdate "\n\nnotify_slack.sh update avialable:\n $NOTIFY_SLACK_VERSION -> $LatestNotifyRelease\n"
MessageBody="${MessageBody}${NotifyUpdate}"
fi
trigger_notification
}