MyHost / src / hosts / models.py

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# -*- coding: utf-8 -*-

"""models of myhost app, holds the Django models
"""
from django.conf import settings
from django.core.urlresolvers import reverse
from django.db import models
from datetime import datetime
from django.utils.translation import ugettext_lazy as _
from django.contrib.auth.models import User
from taggit.managers import TaggableManager


class Vendor(models.Model):
    """Generic Hardware vendor."""

    name = models.CharField(
        verbose_name=_(u"Name"),
        max_length=100,
        )

    logo = models.ImageField(
        verbose_name=_(u"Logo picture"),
        upload_to='logos/%Y/%m/',
        blank=True,
        null=True,
        )

    def __unicode__(self):
        return u"%s" % (self.name)


class CPU(models.Model):
    """CPU model and properties"""

    TYPES = (
        ('A', 'APU'),
        ('C', 'CPU'),
        )

    name = models.CharField(
        verbose_name=_(u"Name"),
        max_length=100,
        )

    vendor = models.ForeignKey(
        Vendor,
        verbose_name=_(u"Vendor"),
        null=True,
        blank=True,
        )

    type = models.CharField(
        max_length=1,
        choices=TYPES,
        )

    def __unicode__(self):
        "no comment"
        return "{0}".format(self.name,)


class RAM(models.Model):
    """The host.
    """
    TYPES = (
        ('1', 'DDR1'),
        ('2', 'DDR2'),
        ('3', 'DDR3'),
        )

    name = models.CharField(
        verbose_name=_(u"Module name"),
        max_length=100,
        )

    vendor = models.ForeignKey(
        Vendor,
        verbose_name=_(u"Vendor"),
        null=True,
        )

    size = models.PositiveIntegerField(
        verbose_name=_(u"size in byte"),
        null=True,
        )

    type = models.CharField(
        verbose_name=_(u"Type"),
        max_length=3,
        blank=True,
        null=True,
        )

    def size_in_mb(self):
        return self.size / (2**20)

    def size_in_gb(self):
        return self.size / (2**30)



class MyHostUser(models.Model):
    """Details of the user
    """
    user = models.ForeignKey(
        User,
        verbose_name=_(u"Django user name"),
    )

    ldap = models.CharField(
        verbose_name=_(u"LDAP user name"),
        max_length=25,
        unique=True,
    )

    avatar = models.ImageField(
        verbose_name=_(u"Avatar picture"),
        upload_to='avatars/%Y/%m/',
        blank=True,
        null=True,
    )

    date_created = models.DateTimeField(
        verbose_name=_(u"User created"),
        editable=False,
    )

    date_last_update = models.DateTimeField(
        verbose_name=_(u"last update"),
        editable=False,
        )

    class Meta:
        verbose_name = _("MyHost User")
        verbose_name_plural = _("MyHost Users")

    def __unicode__(self):
        return "{0}: {1} {2}".format(
            self.user.username,
            self.user.first_name,
            self.user.last_name,
        )

    def save(self, **kwargs):
        if not self.date_created:
            self.date_created = datetime.now(tz=settings.DEFAULT_TIMEZONE)
        self.date_last_update = datetime.now(tz=settings.DEFAULT_TIMEZONE)
        super(MyHostUser, self).save(**kwargs)


class Tapper(models.Model):
    """Tapper data."""

    tapper_id = models.PositiveIntegerField(
        verbose_name=_(u"Tapper ID"),
        max_length=5,
        )


class Host(models.Model):
    """The Host itself. Kinda the main model."""

    PURPOSES = (
        ('D', 'Develop'),
        ('W', 'Workstation'),
        ('T', 'Test'),
        ('I', 'Infrastructure'),
    )

    name = models.CharField(
        verbose_name=_(u"Hostname"),
        max_length=100,
        unique=True,
    )

    hardware_db_id = models.IntegerField(
        verbose_name=_(u"ID Hardware DB"),
    )

    owner = models.ForeignKey(
        MyHostUser,
        verbose_name=_(u"Owner (responsible person)"),
        related_name="host_owner",
        help_text=_(u"The owner or responsible person of this box.")
    )

    user = models.ForeignKey(
        MyHostUser,
        verbose_name=_(u"Current User"),
        related_name="current_host_user",
        help_text=_(u"The current user of this box."),
        blank=True,
        null=True,
        )

    purpose = models.CharField(
        verbose_name=_(u"Purpose"),
        help_text=_(u"main use of this machine"),
        max_length=2,
        blank=True,
        null=True,
    )

    in_tapper = models.BooleanField(
        verbose_name=_("used by Tapper"),
        help_text=_(u"Is the system used by Tapper at the moment?"),
        blank=True,
    )

    tapper = models.ForeignKey(
        Tapper,
        verbose_name=_(u"Current Tapper status"),
        related_name="current_tapper_data",
        help_text=_(u"All the current tapper data and status. Will be "
                    u"refreshed automatically."),
        blank=True,
        null=True,
    )

    description = models.TextField(
        verbose_name=_(u"Description"),
        help_text=_(u"General description of the System."),
        blank=True,
    )

    cpu_type = models.ForeignKey(
        CPU,
        verbose_name=_(u"CPU type"),
        related_name="cpu_type",
        help_text=_(u"The build in cpu type. Also see cpu number!"),
        blank=True,
        null=True,
    )

    cpu_number = models.PositiveIntegerField(
        verbose_name=_(u"CPU number"),
        help_text=_(u"Number of CPUs"),
        blank=True,
        null=True,
        )

    ram_size = models.PositiveIntegerField(
        verbose_name=_(u"RAM size"),
        help_text=_(u"RAM size in bytes."),
        blank=True,
        null=True,
        )

    ram_types = models.ManyToManyField(
        RAM,
        verbose_name=_(u"RAM types"),
        related_name="ram_types",
        help_text=_(u"Types of RAM modules."),
        blank=True,
        null=True,
        editable=False,
        )

    harddisk_size = models.PositiveIntegerField(
        verbose_name=_(u"H/D size"),
        help_text=_(u"Harddisk size in bytes."),
        blank=True,
        null=True,
        )

    location = models.CharField(
        verbose_name=_(u"physical location"),
        max_length=100,
        blank=True,
    )

    kvm = models.CharField(
        verbose_name=_(u"KVM switch"),
        max_length=100,
        blank=True,
        )

    tags = TaggableManager(
        blank=True,
    )

    couch_id = models.CharField(
        verbose_name=_(u"Couch DB ID"),
        max_length=50,
        blank=True,
    )

    time_added = models.DateTimeField(
        verbose_name=_(u"Date added"),
        help_text=_(u"Date added to DB"),
        editable=False,
    )

    time_change = models.DateTimeField(
        verbose_name=_(u"Date last DB change"),
        help_text=_(u"Date added to DB"),
        editable=False,
    )

    time_last_ping = models.DateTimeField(
        verbose_name=_(u"Timestamp of last ping"),
        editable=False,
        blank=True,
        null=True,
    )

    time_last_tapper_update = models.DateTimeField(
        verbose_name=_(u"Timestamp of last ping"),
        editable=False,
        blank=True,
        null=True,
        )

    class Meta:
        ordering = ("name",)

    def __unicode__(self):
        return u"{0}".format(self.name,)

    def save(self, **kwargs):
        if not self.time_added:
            self.time_added = datetime.now(tz=settings.DEFAULT_TIMEZONE)
        self.time_change = datetime.now(tz=settings.DEFAULT_TIMEZONE)
        super(Host, self).save(**kwargs)

    @models.permalink
    def get_absolute_url(self):
        """
        return the absolute URL
        """
        return reverse("host-detail", kwargs={"slug": self.name})


class NetworkCard(models.Model):
    """The host.
    """
    name = models.CharField(
        verbose_name=_(u"Name"),
        max_length=100,
        )

    mac = models.CharField(
        verbose_name=_(u"MAC address"),
        max_length=12,
        blank=True,
        null=True,
        )

    vendor = models.ForeignKey(
        Vendor,
        verbose_name=_(u"Vendor"),
        null=True,
        )


class GraphicBoard(models.Model):
    """The host.
    """

    TYPES = (
        ('O', 'on-board'),
        ('A', 'APU'),
        ('E', 'external'),
    )

    name = models.CharField(
        verbose_name=_(u"Name"),
        max_length=100,
        )

    vendor = models.ForeignKey(
        Vendor,
        verbose_name=_(u"Vendor"),
        null=True,
        )

    type = models.CharField(
        max_length=1,
        choices=TYPES,
    )


class BIOS(models.Model):
    """Vendor details """
    vendor = models.CharField(
        verbose_name=_(u"Vendor"),
        max_length=100,
    )

    version = models.CharField(
        verbose_name=_(u"Version"),
        max_length=100,
    )

    class Meta:
        verbose_name_plural = _("BIOSes")


class SocketType(models.Model):
    """Socket details """
    name = models.CharField(
        verbose_name=_(u"Name"),
        max_length=50,
        )


class NorthBridge(models.Model):
    """Northbridge details """
    name = models.CharField(
        verbose_name=_(u"Name"),
        max_length=50,
        )


class SouthBridge(models.Model):
    """Southbridge details """
    name = models.CharField(
        verbose_name=_(u"Name"),
        max_length=50,
        )


"""
System: aftab (610)
Purpose: Develop
Keyword:
Comment:

Current owner: bpetkov
Location: 103
IP KVM: scandium

 	Vendor 	Model 	Socket 	Northbridge 	Southbridge 	Nr. of CPU sockets 	Nr. of RAM sockets 	BIOS 	TPM 	HDT 	Features


CPUs 	Vendor 	Family 	Model 	Stepping 	Revision 	Socket 	Nr. of cores 	Clock 	l2 Cache 	l3 Cache

Networkcards 	Vendor 	Chipset 	Mac 	Bus type 	Media

Harddisks 	Vendor 	Model 	Bus type 	Size in GByte


RAM 	Vendor 	Type 	Speed 	Size 	ECC

Graphicscards 	Vendor 	Chip 	Memory 	Bus type

Misc 	Vendor 	Type 	Information

Couchid
"""
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