A simple script to send an email when the JetBrains Floating License Server exceeds a given threshold.

crontab example - mon-fri between 0900 & 1700

SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
HOME=/
# For details see man 4 crontabs
# Example of job definition:
# .---------------- minute (0 - 59)
# | .------------- hour (0 - 23)
# | | .---------- day of month (1 - 31)
# | | | .------- month (1 - 12) OR jan,feb,mar,apr ...
# | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# | | | | |
# * * * * * username  command to be executed
MAILTO="YOUR_EMAIL@gmail.com"
1 9-17 * * 1-5 /usr/bin/python /path/to/JetBrainsFloatingLicenseServerAlerter.py
MAILTO=""

JetBrainsFloatingLicenseServerAlerter.py

#!/usr/bin/python
import sys
import requests
import datetime
import smtplib
from email.mime.text import MIMEText

##
# Configuration Values
##
# Parameters for Emailing
from_email = 'FROM_EMAIL@gmail.com'
to_email = ['TO_EMAIL_1@gmail.com', 'TO_EMAIL_2@outlook.com', 'TO_EMAIL_3@yahoo.com']
# Threshold for alerting - once the number of used licenses exceeds this threshold, the script will alert.
alert_threshold = 2000
# URL for the API of the license server
apiUrl = "http://HOSTNAME/licenseServer/reportApi"

dateStr = datetime.datetime.now().strftime("%Y-%m-%d")
print "sys.argv leng: ", len(sys.argv)
if len(sys.argv) == 3:
    start_date = sys.argv[1]
    end_date = sys.argv[2]
else:
    start_date = dateStr
    end_date = dateStr

dataObj = {
    'start': start_date,
    'end': end_date,
    'token': '12345',
    'granularity': '0',  # 0 = hourly, 1 = daily
}

r = requests.post(apiUrl, data=dataObj)

if (r.status_code is 200):
    resp = r.json()['License Usage Hourly']

    emailBody = ""
    maxCount = 0
    for respDict in resp:
        # print respDict['key']
        if (respDict['key'].find("IntelliJ IDEA Ultimate") != -1):
            count = respDict['count']
            if (count > maxCount):
                maxCount = count
            tmpStr = "{0} - {1}".format(respDict['time'], count)
            emailBody += tmpStr + "\n"
            print tmpStr
    tmpStr = "Max Usage: {0}".format(maxCount)
    emailBody += tmpStr + "\n"
    print tmpStr

    if (maxCount >= alert_threshold):
        print "Max Count Exceeded {0}!!! Sending Email!".format(alert_threshold)
        msg = MIMEText(emailBody)
        msg['Subject'] = "[WARNING] JetBrains Floating License Server Exceeded Threshold"
        msg['From'] = from_email
        msg['To'] = ", ".join(to_email)
        s = smtplib.SMTP('localhost')
        s.sendmail(from_email, to_email, msg.as_string())
        s.quit()
        print "Done Sending Email."