Submit CURL requests in a loop with approximate RPS calculation

curl_loop.sh

# Submit CURL requests in a loop with rough RPS calculation

# Example usage: `make_requests 10.0.5.28`

_call($1) {
    num_requests=0;
    start_time="$(date -u +%s)";
    base_url="$1/entities/"
    sleep_time=5

    while :; do
        endpoint=${base_url}$(date +"%S")
        echo "Sending request to ${endpoint}..."
        curl -s -o /dev/null -w "Response: %{http_code}\n" ${endpoint}
        ((num_requests=num_requests+1))
        elapsed_time="$(("$(date -u +%s)"-$start_time))"
        echo
        echo "Sent "${num_requests}" requests in "${elapsed_time}" seconds @ $(awk "BEGIN {print $num_requests/$elapsed_time}") requests per second."
        echo
        sleep ${sleep_time};
    done
}