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Add file notification channel (#222)

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* Add file notification channel

* Bypass file channel notifications for dockcheck.sh script

* Implement notification channel template reuse and advanced configuration variables.

* Fix text insertion formatting for dockcheck script and container updates.

* Fix dockcheck.sh notification csv and text output.

* Fix ntfy variable references and replace tr for uppercase conversion.

* Fix ALLOWEMPTY logic, undefined snippet case, and README formatting.

* Refactor notification send/skip logic. Adjust missing variable return codes.

* Adjust notifications README section for clarity and readability.

---------

Co-authored-by: Matthew Oleksowicz <matt@everyoneneeds.it>
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vorezal 2025-09-15 05:25:23 -04:00 • committed by GitHub
parent 37f33d7a06
commit 31a45f1d84
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18 changed files with 620 additions and 267 deletions
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31
notify_templates/notify_HA.sh
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@ -1,5 +1,5 @@
### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
NOTIFY_HA_VERSION="v0.1"
NOTIFY_HA_VERSION="v0.2"
#
# This is an integration that makes it possible to send notifications via Home Assistant (https://www.home-assistant.io/integrations/notify/)
# You need to generate a long-lived access token in Home Sssistant to be used here (https://developers.home-assistant.io/docs/auth_api/#long-lived-access-token)
@ -7,15 +7,28 @@ NOTIFY_HA_VERSION="v0.1"
# 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 HA_ENTITY, HA_URL and HA_TOKEN in your dockcheck.config file.
if [[ -z "${HA_ENTITY:-}" ]] || [[ -z "${HA_URL:-}" ]] || [[ -z "${HA_TOKEN:-}" ]]; then
printf "Home Assistant notification channel enabled, but required configuration variables are missing. Home assistant notifications will not be sent.\n"
remove_channel HA
fi
trigger_HA_notification() {
AccessToken="${HA_TOKEN}"
Url="${HA_URL}/api/services/notify/${HA_ENTITY}"
if [[ -n "$1" ]]; then
HA_channel="$1"
else
HA_channel="HA"
fi
UpperChannel="${HA_channel^^}"
HAEntityVar="${UpperChannel}_ENTITY"
HAUrlVar="${UpperChannel}_URL"
HATokenVar="${UpperChannel}_TOKEN"
if [[ -z "${!HAEntityVar:-}" ]] || [[ -z "${!HAUrlVar:-}" ]] || [[ -z "${!HATokenVar:-}" ]]; then
printf "The ${HA_channel} notification channel is enabled, but required configuration variables are missing. Home assistant notifications will not be sent.\n"
remove_channel HA
return 0
fi
AccessToken="${!HATokenVar}"
Url="${!HAUrlVar}/api/services/notify/${!HAEntityVar}"
JsonData=$( "$jqbin" -n \
--arg body "$MessageBody" \
'{"title": "dockcheck update", "message": $body}' )