List total TPU usage in a GCP project

list_tpu.bash

#!/bin/bash

#params
PROJECT=my-project
ZONE=us-central2-b

# Command to list TPU resources
output=$(gcloud alpha compute tpus queued-resources list \
  --project $PROJECT \
  --zone $ZONE)

echo "$output"
echo ""  # Add a blank line for readability

# Use awk to extract the numeric parts of the accelerator types and count TPUs
echo "$output" | awk '
BEGIN {
  sum = 0
  count = 0
}
$4 ~ /^v4-/ {
  split($4, a, "-")
  sum += a[2]
  count++
}
END {
  print "Total num TPU nodes:", sum
  print "Count of TPUs:", count
}
'