models.py

# Module with device characteristics for network monitoring project
# Byers Applied Python course with errors by Phil (2015)
# Entries after NetworkDevice class are additional extensions


from django.db import models


class Credentials(models.Model):
    username        = models.CharField(max_length=50)
    password        = models.CharField(max_length=50)
    description     = models.CharField(max_length=200, blank=True, null=True)

    def __unicode__(self):
        return u'%s' % (self.username)
        
class SnmpCredentials(models.Model):
    version          = models.CharField(max_length=2)
    username         = models.CharField(max_length=50)
    auth_key         = models.CharField(max_length=50, blank=True, null=True)
    encrypt_key      = models.CharField(max_length=50, blank=True, null=True)
    description      = models.CharField(max_length=200, blank=True, null=True)

    def __unicode__(self):
        return u'%s' % (self.username)        

class NetworkDevice(models.Model):
    device_name     = models.CharField(primary_key=True, max_length=80)
    ip_address      = models.IPAddressField()
    device_class    = models.CharField(max_length=50)
    ssh_port        = models.IntegerField(blank=True, null=True)
    api_port        = models.IntegerField(blank=True, null=True)
    vendor          = models.CharField(max_length=50, blank=True, null=True)
    model           = models.CharField(max_length=50, blank=True, null=True)
    device_type     = models.CharField(max_length=50, blank=True, null=True)
    os_version      = models.CharField(max_length=100, blank=True, null=True)
    serial_number   = models.CharField(max_length=50, blank=True, null=True)
    uptime_seconds  = models.IntegerField(blank=True, null=True)
    credentials     = models.ForeignKey(Credentials, blank=True, null=True)
    snmp_crentials  = models.ForeignKey(SnmpCredentials, blank=True, null=True)
    snmp_port				= models.IntegerField(blank=True, null=True)
    cfg_file        = models.CharField(max_length=100, blank=True, null=True)

    def __unicode__(self):
        return u'%s' % (self.device_name)