Synnefo

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from datetime import datetime

from optparse import make_option

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

from synnefo.lib.utils import merge_time

from synnefo.logic.rapi import GanetiApiError

from synnefo.management.common import Omit

from synnefo.management import common

# Fields to print from a gnt-instance info

GANETI_INSTANCE_FIELDS = ('name', 'oper_state', 'admin_state', 'status',

                          'pnode', 'snode', 'network_port', 'disk_template',

                          'disk_usage', 'oper_ram', 'oper_vcpus', 'mtime',

                          'nic.ips', 'nic.macs', 'nic.networks', 'nic.modes')

# Fields to print from a gnt-job info

GANETI_JOB_FIELDS = ('id', 'status', 'summary', 'opresult', 'opstatus',

                     'oplog', 'start_ts', 'end_ts')

class Command(BaseCommand):

    help = "Inspect a server on DB and Ganeti"

    args = "<server ID>"

    option_list = BaseCommand.option_list + (

        make_option(

            '--jobs',

            action='store_true',

            dest='jobs',

            default=False,

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

        make_option(

            '--displayname',

            action='store_true',

            dest='displayname',

            default=False,

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

    )

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

        if len(args) != 1:

            raise CommandError("Please provide a server ID")

        vm = common.get_vm(args[0])

        displayname = options['displayname']

        ucache = common.UserCache()

        try:

            image = common.get_image(vm.imageid, vm.userid)['name']

        except:

            image = vm.imageid

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

        labels = filter(lambda x: x is not Omit,

                        ['name', 'owner_uuid',

                         'owner_name' if displayname else Omit,

                         'flavor', 'image', 'state', 'backend', 'deleted',

                         'action', 'backendjobid', 'backendopcode',

                         'backendjobstatus', 'backend_time'])

        uuid = vm.userid

        if displayname:

            dname = ucache.get_name(uuid)

        fields = filter(lambda x: x is not Omit,

                        [vm.name, uuid, dname if displayname else Omit,

                         vm.flavor.name, image, common.format_vm_state(vm),

                         str(vm.backend), str(vm.deleted), str(vm.action),

                         str(vm.backendjobid), str(vm.backendopcode),

                         str(vm.backendjobstatus), str(vm.backendtime)])

        self.stdout.write(sep)

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

        self.stdout.write(sep)

        for l, f in zip(labels, fields):

            self.stdout.write(l.ljust(18) + ': ' + f.ljust(20) + '\n')

        self.stdout.write('\n')

        for nic in vm.nics.all():

            params = (nic.index, nic.ipv4, nic.mac, nic.ipv6,  nic.network)

            self.stdout.write("nic/%d: IPv4: %s, MAC: %s, IPv6:%s,"

                              " Network: %s\n" % params)

        client = vm.get_client()

        try:

            g_vm = client.GetInstance(vm.backend_vm_id)

            self.stdout.write('\n')

            self.stdout.write(sep)

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

            self.stdout.write(sep)

            for i in GANETI_INSTANCE_FIELDS:

                try:

                    value = g_vm[i]

                    if i.find('time') != -1:

                        value = datetime.fromtimestamp(value)

                    self.stdout.write(i.ljust(14) + ': ' + str(value) + '\n')

                except KeyError:

                    pass

        except GanetiApiError as e:

            if e.code == 404:

                self.stdout.write('Server does not exist in backend %s\n' %

                                  vm.backend.clustername)

            else:

                raise e

        if not options['jobs']:

            return

        self.stdout.write('\n')

        self.stdout.write(sep)

        self.stdout.write('Non-archived jobs concerning Server in Ganeti\n')

        self.stdout.write(sep)

        jobs = client.GetJobs()

        for j in jobs:

            info = client.GetJobStatus(j)

            summary = ' '.join(info['summary'])

            job_is_relevant = summary.startswith("INSTANCE") and\

                (summary.find(vm.backend_vm_id) != -1)

            if job_is_relevant:

                for i in GANETI_JOB_FIELDS:

                    value = info[i]

                    if i.find('_ts') != -1:

                        value = merge_time(value)

                    try:

                        self.stdout.write(i.ljust(14) + ': ' + str(value) +

                                          '\n')

                    except KeyError:

                        pass

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

        # Return the RAPI client to pool

        vm.put_client(client)