Implement notification channel template reuse and advanced configuration variables.

This commit is contained in:
Matthew Oleksowicz 2025-08-20 03:42:21 -04:00
parent 5ab10a097e
commit dac955544b
17 changed files with 511 additions and 244 deletions

View file

@ -1,20 +1,32 @@
### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
NOTIFY_SLACK_VERSION="v0.3"
NOTIFY_SLACK_VERSION="v0.4"
#
# 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
if [[ -n "$1" ]]; then
slack_channel="$1"
UpperChannel=$(tr '[:lower:]' '[:upper:]' <<< "$slack_channel")
else
slack_channel="slack"
UpperChannel="SLACK"
fi
AccessTokenVar="${UpperChannel}_ACCESS_TOKEN"
ChannelIDVar="${UpperChannel}_CHANNEL_ID"
if [[ -z "${!AccessTokenVar:-}" ]] || [[ -z "${!ChannelIDVar:-}" ]]; then
printf "The ${slack_channel} notification channel is enabled, but required configuration variables are missing. Slack notifications will not be sent.\n"
remove_channel slack
return 1
fi
AccessToken="${!AccessTokenVar}" # e.g. SLACK_ACCESS_TOKEN=some-token
ChannelID="${!ChannelIDVar}" # e.g. CHANNEL_ID=mychannel
SlackUrl="https://slack.com/api/chat.postMessage"
curl -S -o /dev/null ${CurlArgs} \