Synnefo

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from optparse import make_option

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

from synnefo.management.common import get_vm, convert_api_faults

from synnefo.logic import servers, backend as backend_mod

from snf_django.management.utils import parse_bool

class Command(BaseCommand):

    args = "<server ID>"

    help = "Remove a server by deleting the instance from the Ganeti backend."

    option_list = BaseCommand.option_list + (

        make_option(

            '--wait',

            dest='wait',

            default="True",

            choices=["True", "False"],

            metavar="True|False",

            help="Wait for Ganeti job to complete."),

    )

    @convert_api_faults

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

        if len(args) != 1:

            raise CommandError("Please provide a server ID")

        server = get_vm(args[0])

        self.stdout.write("Trying to remove server '%s' from backend '%s'\n" %

                          (server.backend_vm_id, server.backend))

        servers.destroy(server)

        jobID = server.task_job_id

        self.stdout.write("Issued OP_INSTANCE_REMOVE with id: %s\n" % jobID)

        wait = parse_bool(options["wait"])

        if wait:

            self.stdout.write("Waiting for job to complete...\n")

            client = server.get_client()

            status, error = backend_mod.wait_for_job(client, jobID)

            if status == "success":

                self.stdout.write("Job '%s' completed successfully.\n" % jobID)

            else:

                self.stdout.write("Job '%s' failed: %s\n" % (jobID, error))