dockcheck/notify_templates/notify_discord.sh

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### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
NOTIFY_DISCORD_VERSION="v0.1"
#
# 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 DiscordWebhookUrl
FromHost=$(hostname)
trigger_notification() {
# Modify to fit your setup:
DiscordWebhookUrl="PasteYourFullDiscordWebhookURL"
MsgBody="{\"username\":\"$FromHost\",\"content\":\"$MessageBody\"}"
curl -sS -o /dev/null --fail -X POST -H "Content-Type: application/json" -d "$MsgBody" "$DiscordWebhookUrl"
}
send_notification() {
[ -s "$ScriptWorkDir"/urls.list ] && releasenotes || Updates=("$@")
UpdToString=$( printf '%s\\n' "${Updates[@]}" )
printf "\nSending Discord 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 Discord dockcheck notification\n"
MessageBody="$FromHost - New version of dockcheck available: \n Installed version: $1 \nLatest version: $2 \n\nChangenotes: $3"
RawNotifyUrl="https://raw.githubusercontent.com/mag37/dockcheck/main/notify_templates/notify_discord.sh"
LatestNotifyRelease="$(curl -s -r 0-150 $RawNotifyUrl | sed -n "/NOTIFY_DISCORD_VERSION/s/NOTIFY_DISCORD_VERSION=//p" | tr -d '"')"
if [[ "$NOTIFY_DISCORD_VERSION" != "$LatestNotifyRelease" ]] ; then
printf -v NotifyUpdate "\n\nnotify_discord.sh update avialable:\n $NOTIFY_DISCORD_VERSION -> $LatestNotifyRelease\n"
MessageBody="${MessageBody}${NotifyUpdate}"
fi
trigger_notification
}