Sending Alertmanager test alert and resolution over API

send-test-alert.sh

#!/bin/bash
# set your AlertManager server url
alertmanager_url='http://localhost:9093'
url="$alertmanager_url/api/v1/alerts"

# Script will prompt you for alert params, if you hit ENTER without entering a value it uses a [default] value
# alert params
default_name="alert_$RANDOM"
read -p "Enter alertname [$default_name]: " alertname
alertname=${name:-$default_name}
read -p "Enter service name [test_service]: " service
service=${service:-test_service}
read -p "Enter severity [warning]: " severity
severity=${severity:-warning}
read -p "Enter summary [Test service alert]: " summary
summary=${summary:-Test service alert}
description="example alert description"

alerts="[{
	\"status\": \"firing\",
	\"labels\": {
		\"alertname\": \"$alertname\",
		\"service\": \"$service\",
		\"severity\":\"$severity\",
		\"instance\": \"$alertname.example.net\",
	},
	\"annotations\": {
		\"summary\": \"$summary\",
        \"description\": \"$description\",
        \"grafana_dashboard_link\": \"https://grafana.my.domain/d/<dashboards-folder>/<dashboard-name>?from=now-6h/m&to=now-1m/m&var-service=<service_name>&var-some_var=<some_var_value>\"
	},
	\"generatorURL\": \"http://prometheus.int.example.net/<generating_expression>\"
}]"

echo "Fire up an alert $alertname for $service"
curl -XPOST $url -d "$alerts"
echo ""


echo "Press enter to send an alert resolution for $alertname for $service"
read
alerts=${alerts/\"firing\"/\"resolved\"}
echo "sending resolve"
curl -XPOST $url -d "$alerts"

echo ""