Push metric to a Grafana Cloud Graphite instance

send-grafana-cloud-metric.sh

#!/bin/bash

set -euo pipefail

api_key=""          # API key from Grafana Cloud
metrics_user=""     # Graphite username from Grafana Cloud console
metrics_endpoint="" # Graphite endpoint from Grafana Cloud console

now=$(date +%s)

metric_name=$1
metric_value=$2
metric_interval=$3

metric_body="
[{
    \"name\": \"${metric_name}\",
    \"value\": ${metric_value},
    \"time\": $now,
    \"interval\": ${metric_interval}
}]
"

curl -X POST -u "$metrics_user:$api_key" -H "Content-Type: application/json" "$metrics_endpoint" -d "$metric_body"
echo

Example usage:

./send-grafana-cloud-metric.sh "home.temperatures;sensor=bathroom" 25.2 300