#!/bin/bash

status_code=$(curl --write-out %{http_code} --silent --output /dev/null SITE_URL)

if [[ "$status_code" -ne 200 ]] ; then
        pkill -f node
        echo "Site status $status_code" >> cronlog.txt
        echo "Deleting PM2 Instance" >> cronlog.txt
        /home/username/bin/node /home/username/bin/pm2 kill >> cronlog.txt
        /home/username/bin/node /home/username/bin/pm2 delete all >> cronlog.txt
        pkill -f pm2
        echo "Restarting Server" >> cronlog.txt
        /home/username/bin/node /home/username/bin/pm2 start bin/www --exp-backoff-restart-delay=100 >> cronlog.txt
        exit
else
        echo "Site Fine" >> cronlog.txt
        exit 0
fi

[PM2] Spawning PM2 daemon with pm2_home=/home/username/.pm2
[PM2] PM2 Successfully daemonized
[PM2] Starting /home/username/bin/www in fork_mode (1 instance)
[PM2] Done.
┌──────────┬────┬─────────┬──────┬─────┬─────────┬─────────┬────────┬─────┬────────┬──────────┬──────────┐
│ App name │ id │ version │ mode │ pid │ status  │ restart │ uptime │ cpu │ mem    │ user     │ watching │
├──────────┼────┼─────────┼──────┼─────┼─────────┼─────────┼────────┼─────┼────────┼──────────┼──────────┤
│ www      │ 0  │ 0.0.0   │ fork │ N/A │ errored │ 0       │ 0      │ 0%  │ 0 B    │ username │ disabled │
└──────────┴────┴─────────┴──────┴─────┴─────────┴─────────┴────────┴─────┴────────┴──────────┴──────────┘
 Use `pm2 show <id|name>` to get more details about an app

2019-06-01T12:00:04: PM2 log: --- New PM2 Daemon started ----------------------------------------------------
2019-06-01T12:00:04: PM2 log: Time                 : Sat Jun 01 2019 12:00:04 GMT-0400 (Eastern Daylight Time)
2019-06-01T12:00:04: PM2 log: PM2 version          : 3.5.0
2019-06-01T12:00:04: PM2 log: Node.js version      : 10.15.3
2019-06-01T12:00:04: PM2 log: Current arch         : x64
2019-06-01T12:00:04: PM2 log: PM2 home             : /home/username/.pm2
2019-06-01T12:00:04: PM2 log: PM2 PID file         : /home/username/.pm2/pm2.pid
2019-06-01T12:00:04: PM2 log: RPC socket file      : /home/username/.pm2/rpc.sock
2019-06-01T12:00:04: PM2 log: BUS socket file      : /home/username/.pm2/pub.sock
2019-06-01T12:00:04: PM2 log: Application log path : /home/username/.pm2/logs
2019-06-01T12:00:04: PM2 log: Process dump file    : /home/username/.pm2/dump.pm2
2019-06-01T12:00:04: PM2 log: Concurrent actions   : 2
2019-06-01T12:00:04: PM2 log: SIGTERM timeout      : 1600
2019-06-01T12:00:04: PM2 log: ===============================================================================
2019-06-01T12:00:05: PM2 log: App [www:0] starting in -fork mode-
2019-06-01T12:00:05: PM2 log: App [www:0] online
2019-06-01T12:00:05: PM2 error: Error: spawn node ENOENT
    at Process.ChildProcess._handle.onexit (internal/child_process.js:240:19)
    at onErrorNT (internal/child_process.js:415:16)
    at process._tickCallback (internal/process/next_tick.js:63:19)
2019-06-01T12:00:05: PM2 error: Cancelling versioning data parsing