grafana annotation on deployment

annotateDeployment.sh

#!/bin/bash

# this would create annotation in grafana with current date and tags: ["backend-deployment", "prod", "$1"]
# '$grafanaTokenPassword' is defined in CI - API token with EDIT permissions
# Command line:
# ./annotateDeployment.sh <project> <service/batch> <image-tag>

PROJECT_NAME=$1
DEPLOYMENT_TYPE=$2
IMAGE_TAG=$3

DATE_MILLIS=$(date +%s%3N)

read -r -d '' JSON_BODY <<- EOM
    {
        "time":$DATE_MILLIS,
        "tags":[ "deployment", "prod", "$PROJECT_NAME", "$DEPLOYMENT_TYPE"],
        "text":"$PROJECT_NAME   $IMAGE_TAG"
    }
EOM

echo posting grafana annotation: $JSON_BODY

curl -H "Authorization: Bearer $bamboo_grafanaTokenPassword" \
     -H "Content-Type: application/json" \
     -d  "$JSON_BODY" -s \
     http://grafana.example.com/api/annotations