ExtremeScripting/EXOS/Python/Email_event/email.py at master · berlikm/ExtremeScripting · GitHub

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import smtplib
import sys
import re
import datetime
from email.mime.text import MIMEText

def sendemail(txt,me,to,smtp):
    msg = {}
    msg['From'] = me
    s = smtplib.SMTP(smtp)
    s.sendmail(me, [to], txt)
    s.quit()

def switchData():
    data = exsh.clicmd("show switch",capture=True)
    switch = {}
    for line in data.splitlines():
        m = re.search(r'SysName:\s+(\S+)',line)
        if m:
            switch['Name'] = m.group(1)
    return switch

def LogLines(minutes=10):
    now = datetime.datetime.now()
    logstart = now - datetime.timedelta(minutes=minutes)
    cmd = "show log starting time " + logstart.strftime('%H:%M:%S')
    log = exsh.clicmd(cmd,capture=True)
    return log

def ChgVR(vr):
    try:
        f = open('/proc/self/ns_id', 'w')
        f.write(vr+'\n')
        f.close()
        return True
    except:
        return False


def main():
    ###################################
    # Start User changeable parameters
    ###################################
    # Change below myVirtualRouter to the VR used to reach the smtp server
    # 2 Vr-Default
    # 0 VR-Mgmt
    # Any other number the number of your user created VR.

    myVirtualRouter = 2

    FromDomain = "user@example.com"
    to = 'user@example.com'
    smtp = 'smtp.example.com'

    ###################################
    # End User changeable parameters
    ###################################

    if ChgVR(str(myVirtualRouter)):
        exsh.clicmd("disable clipaging")
        switch = switchData()
        msg = "Port Status change on "+switch['Name']+"\n\n"
        if sys.argv[2] == "down":
            msg += "Port "+sys.argv[1]+" went down"+"\n"
        else:
            msg += "Port "+sys.argv[1]+" UP, speed "+sys.argv[2]+" "+sys.argv[3]+"\n"

        msg += "\nLast 10 minutes log"+"\n"
        msg += LogLines(minutes=10)
        me = switch['Name']+FromDomain
        sendemail(msg,me,to,smtp)
    else:
        exsh.clicmd("create log message \"Unable to send Email on log event\"")

if __name__ == "__main__":
    try:
        main()
    except SystemExit:
        pass