credhub-lsof.sh

#!/bin/bash

set -e

credhub_pid=$(cat /var/vcap/sys/run/credhub/pid)
uaa_pid=$(cat /var/vcap/data/sys/run/uaa/uaa.pid)

lsof_output="$(lsof)"

total_open_files=$(echo "$lsof_output" | wc -l)
credhub_open_files=$(echo "$lsof_output" | grep "java *$credhub_pid" | wc -l)
uaa_open_files=$(echo "$lsof_output" | grep "java *$uaa_pid" | wc -l)

credhub_connections=$(echo "$lsof_output" | grep "java *$credhub_pid" | grep ESTABLISHED | wc -l)
uaa_connections=$(echo "$lsof_output" | grep "java *$uaa_pid" | grep ESTABLISHED | wc -l)

credhub_web_connections=$(echo "$lsof_output" | grep "java *$credhub_pid" | grep ESTABLISHED | grep ":8844->" | grep ".bc.googleusercontent.com" | wc -l)

credhub_postgres_connections=$(echo "$lsof_output" | grep "java *$credhub_pid" | grep ESTABLISHED | grep ":postgresql" | wc -l)
uaa_postgres_connections=$(echo "$lsof_output" | grep "java *$uaa_pid" | grep ESTABLISHED | grep ":postgresql" | wc -l)


echo "Total open files: $total_open_files
  Credhub open files: $credhub_open_files
    Credhub connections: $credhub_connections
      ***Credhub <-> Web: $credhub_web_connections***
      Credhub <-> Postgres: $credhub_postgres_connections
  UAA open files: $uaa_open_files
    UAA connections: $uaa_connections
      UAA <-> Postgres: $uaa_postgres_connections