Synnefo

# Copyright 2012 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

#

#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

#

# The views and conclusions contained in the software and

# documentation are those of the authors and should not be

# interpreted as representing official policies, either expressed

# or implied, of GRNET S.A.

from optparse import make_option

from django.core.management.base import BaseCommand, CommandError

from synnefo.logic.rapi import GanetiApiError

from synnefo.management.common import convert_api_faults

from synnefo.logic.reconciliation import nics_from_instance

from snf_django.management.utils import pprint_table

from synnefo.api.util import get_port

class Command(BaseCommand):

    help = "Inspect a port on DB and Ganeti"

    args = "<port ID>"

    option_list = BaseCommand.option_list + (

        make_option(

            '--jobs',

            action='store_true',

            dest='jobs',

            default=False,

            help="Show non-archived jobs concerning port."),

        make_option(

            '--displayname',

            action='store_true',

            dest='displayname',

            default=False,

            help="Display both uuid and display name"),

    )

    @convert_api_faults

    def handle(self, *args, **options):

        if len(args) != 1:

            raise CommandError("Please provide a port ID")

        port = get_port(args[0], None)

        sep = '-' * 80 + '\n'

        db_nic = {

            "id": port.id,

            "name": port.name,

            "userid": port.userid,

            "server": port.machine_id,

            "network": port.network_id,

            "device_owner": port.device_owner,

            "mac": port.mac,

            "state": port.state}

        self.stdout.write(sep)

        self.stdout.write('State of port in DB\n')

        self.stdout.write(sep)

        pprint_table(self.stdout, db_nic.items(), None, separator=" | ")

        self.stdout.write('\n\n')

        ips = list(port.ips.values_list("address", "network_id", "subnet_id",

                                        "subnet__cidr", "floating_ip"))

        headers = ["Address", "Network", "Subnet", "CIDR", "is_floating"]

        pprint_table(self.stdout, ips, headers, separator=" | ")

        self.stdout.write('\n\n')

        self.stdout.write(sep)

        self.stdout.write('State of port in Ganeti\n')

        self.stdout.write(sep)

        vm = port.machine

        if vm is None:

            self.stdout.write("Port is not attached to any instance.\n")

            return

        client = vm.get_client()

        try:

            vm_info = client.GetInstance(vm.backend_vm_id)

        except GanetiApiError as e:

            if e.code == 404:

                self.stdout.write("NIC seems attached to server %s, but"

                                  " server does not exist in backend.\n"

                                  % vm)

        nics = nics_from_instance(vm_info)

        try:

            gnt_nic = filter(lambda nic: nic.get("name") == port.backend_uuid,

                             nics)[0]

        except IndexError:

            self.stdout.write("NIC %s is not attached to instance %s"

                              % (port, vm))

            return

        pprint_table(self.stdout, gnt_nic.items(), None, separator=" | ")

        vm.put_client(client)