coercion.sh

.sh

#!/bin/bash

# The URL to which the curl requests will be sent
URL="http://localhost:5173/api/healthz"

# The total duration to run the script in seconds (10 minutes)
END_TIME=$((SECONDS + 600))

# The target number of concurrent curl processes
CONCURRENCY=400

# Function to make a single curl request
# This can be extended to add custom headers or payloads e.g. JSON
make_request() {
  while true; do
    curl -s -o /dev/null "$URL"
  done
}

# Start the initial batch of concurrent requests
for ((i = 0; i < CONCURRENCY; i++)); do
  make_request &
done

# Main loop to maintain concurrency and report status
while [ $SECONDS -lt $END_TIME ]; do
  # Get the number of running jobs
  running_jobs=$(jobs -p | wc -l)

  # Print the number of running jobs
  echo "Running jobs: $running_jobs"

  # If the number of running jobs is less than the target concurrency, start new ones
  while [ "$running_jobs" -lt "$CONCURRENCY" ]; do
    make_request &
    running_jobs=$((running_jobs + 1))
  done

  # Wait for one second
  sleep 1
done

echo "10 minutes have elapsed. Terminating jobs."

# Terminate all background curl processes after the time limit
kill $(jobs -p)

echo "All jobs terminated."