dockcheck/notify_templates/notify_slack.sh
vorezal 57650f1673
Notify_v2.sh bug fixes (#188)
* Notify_v2.sh bug fixes

* Clarify notify_v2.sh usage in README.md

* Fix JSON newline handling in Discord and Telegram channels

* Additional error messages when notification templates fail to be sourced

* Additional variable for self-hosted ntfy.sh domain

* Notify_v2.sh additional fixes

* Clarify usage in README.md and notify template comments

* Support sourcing template files from project root

* Add days old message to notification title

* Handle JSON with jq in Discord and Telegram templates

* Tweak notify_v2.sh usage docs and comments

* Remove extra newline from notification body

* replaced jq with jqbin, reodered setting of jqbin, changed source for hostname var

* moved the setting of jqbin a bit further up after further testing

---------

Co-authored-by: Matthew Oleksowicz <matt@everyoneneeds.it>
Co-authored-by: mag37 <robin.ivehult@gmail.com>
2025-05-29 22:43:34 +02:00

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### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
NOTIFY_SLACK_VERSION="v0.2"
#
# Setup app and token at https://api.slack.com/tutorials/tracks/posting-messages-with-curl
# Leave (or place) this file in the "notify_templates" subdirectory within the same directory as the main dockcheck.sh script.
# 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 SLACK_ACCESS_TOKEN, and SLACK_CHANNEL_ID in your dockcheck.config file.
if [[ -z "${SLACK_ACCESS_TOKEN:-}" ]] || [[ -z "${SLACK_CHANNEL_ID:-}" ]]; then
printf "Slack notification channel enabled, but required configuration variables are missing. Slack notifications will not be sent.\n"
remove_channel slack
fi
trigger_slack_notification() {
AccessToken="${SLACK_ACCESS_TOKEN}" # e.g. SLACK_ACCESS_TOKEN=some-token
ChannelID="${SLACK_CHANNEL_ID}" # e.g. CHANNEL_ID=mychannel
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
}