dockcheck/notify_templates/notify_matrix.sh

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### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
NOTIFY_MATRIX_VERSION="v0.5"
#
# Required receiving services must already be set up.
# 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 MATRIX_ACCESS_TOKEN, MATRIX_ROOM_ID, and MATRIX_SERVER_URL in your dockcheck.config file.
trigger_matrix_notification() {
if [[ -n "$1" ]]; then
matrix_channel="$1"
else
matrix_channel="matrix"
fi
UpperChannel="${matrix_channel^^}"
AccessTokenVar="${UpperChannel}_ACCESS_TOKEN"
RoomIdVar="${UpperChannel}_ROOM_ID"
MatrixServerVar="${UpperChannel}_SERVER_URL"
if [[ -z "${!AccessTokenVar:-}" ]] || [[ -z "${!RoomIdVar:-}" ]] || [[ -z "${!MatrixServerVar:-}" ]]; then
printf "The ${matrix_channel} notification channel is enabled, but required configuration variables are missing. Matrix notifications will not be sent.\n"
remove_channel matrix
return 0
fi
AccessToken="${!AccessTokenVar}" # e.g. MATRIX_ACCESS_TOKEN=token-value
RoomId="${!RoomIdVar}" # e.g. MATRIX_ROOM_ID=myroom
MatrixServer="${!MatrixServerVar}" # e.g. MATRIX_SERVER_URL=http://matrix.yourdomain.tld
MsgBody=$($jqbin -Rn --arg body "$MessageBody" '{msgtype:"m.text", body:$body}')
# URL Example: https://matrix.org/_matrix/client/r0/rooms/!xxxxxx:example.com/send/m.room.message?access_token=xxxxxxxx
curl -S -o /dev/null ${CurlArgs} -X POST "$MatrixServer/_matrix/client/r0/rooms/$RoomId/send/m.room.message?access_token=$AccessToken" -H 'Content-Type: application/json' -d "$MsgBody"
if [[ $? -gt 0 ]]; then
NotifyError=true
fi
}