alertmanager-testing-tool.sh

#!/bin/bash
# usage alertmanager-testing-tool.sh http://alertmanager_url critical myteam
# Set default values
url="$1/api/v1/alerts"
summary='Testing summary!'
instance="dummyserver$RANDOM.com"
default_severity='warning'
default_responders=''

# Function to send alert
send_alert() {
    local custom_severity=$1
    local custom_responders=$2
    local current_severity=${custom_severity:-$default_severity}
    local current_responders=${custom_responders:-$default_responders}

    endsAt=$(date -u -v+3M +"%Y-%m-%dT%H:%M:%SZ") #3 minutes

    echo "Sending request to: $url with status $status. Alert will be endat: $endsAt"

    curl -XPOST $url -d "[
        {
            \"endsAt\": \"$endsAt\",
            \"labels\": {
                \"alertname\": \"$name\",
                \"service\": \"dymmyservice\",
                \"severity\":\"$current_severity\",
                \"responders\":\"$current_responders\",
                \"instance\": \"$instance\"
            },
            \"annotations\": {
                \"summary\": \"$summary\"
            },
            \"generatorURL\": \"$url\"
        }
    ]"
    echo ""
}

# Main script
echo "Firing up alert $name"
send_alert "$2" "$3"