How to fire a random alert in Prometheus Alertmanager

How to fire a random alert in Prometheus Alertmanager

#!/bin/bash
#https://gist.githubusercontent.com/cherti/61ec48deaaab7d288c9fcf17e700853a/raw/a69ddd1d96507f6d94059071d500fe499631e739/alert.sh
name=$RANDOM
url='https://alertmanager.example.ir/api/v1/alerts'

echo "firing up alert $name" 

# change url o
curl  -XPOST $url -d "[{ 
        \"status\": \"firing\",
        \"labels\": {
                \"alertname\": \"$name\",
                \"service\": \"my-service\",
                \"severity\":\"warning\",
                \"instance\": \"$name.example.net\"
        },
        \"annotations\": {
                \"summary\": \"High latency is high!\"
        },
        \"generatorURL\": \"http://prometheus.int.example.net/<generating_expression>\"
}]"

echo ""

echo "press enter to resolve alert"
read

echo "sending resolve"
curl -XPOST $url -d "[{ 
        \"status\": \"resolved\",
        \"labels\": {
                \"alertname\": \"$name\",
                \"service\": \"my-service\",
                \"severity\":\"warning\",
                \"instance\": \"$name.example.net\"
        },
        \"annotations\": {
                \"summary\": \"High latency is high!\"
        },
        \"generatorURL\": \"http://prometheus.int.example.net/<generating_expression>\"
}]"

echo ""