Exemplo n.º 1
0
def build_image():
    openstack_client = init()
    flavor_name = cfg.CONF.flavor_name
    image_name = cfg.CONF.image_name

    if nova.is_flavor_exists(openstack_client.nova, flavor_name):
        LOG.info('Using existing flavor: %s', flavor_name)
    else:
        openstack_client.nova.flavors.create(name=flavor_name,
                                             ram=512, vcpus=1, disk=3)
        LOG.info('Created flavor %s', flavor_name)

    if glance.get_image(openstack_client.glance, image_name):
        LOG.info('Using existing image: %s', image_name)
    else:
        template = None
        template_filename = cfg.CONF.image_builder_template
        try:
            template = utils.read_file(template_filename)
        except IOError:
            LOG.error('Error reading template file: %s. '
                      'Please verify correctness of --image-builder-template '
                      'parameter', template_filename)
            exit(1)

        external_net = (cfg.CONF.external_net or
                        neutron.choose_external_net(openstack_client.neutron))
        stack_params = {
            'stack_name': 'shaker_%s' % uuid.uuid4(),
            'parameters': {'external_net': external_net,
                           'flavor': flavor_name},
            'template': template,
        }

        stack = openstack_client.heat.stacks.create(**stack_params)['stack']
        LOG.debug('New stack: %s', stack)

        heat.wait_stack_completion(openstack_client.heat, stack['id'])

        outputs = heat.get_stack_outputs(openstack_client.heat, stack['id'])
        LOG.debug('Stack outputs: %s', outputs)

        LOG.debug('Waiting for server to shutdown')
        server_id = outputs['server_info'].get('id')
        nova.wait_server_shutdown(openstack_client.nova, server_id)

        LOG.debug('Making snapshot')
        openstack_client.nova.servers.create_image(
            server_id, image_name)

        LOG.debug('Waiting for server to snapshot')
        nova.wait_server_snapshot(openstack_client.nova, server_id)

        LOG.debug('Clearing up')
        openstack_client.heat.stacks.delete(stack['id'])

        LOG.info('Created image: %s', image_name)
Exemplo n.º 2
0
def build_image_with_heat(openstack_client, image_name, flavor_name,
                          dns_nameservers):
    template = None
    template_filename = cfg.CONF.image_builder_template
    try:
        am = lambda f: config.IMAGE_BUILDER_TEMPLATES + '%s.yaml' % f
        template = utils.read_file(template_filename, alias_mapper=am)
    except IOError:
        LOG.error(
            'Error reading template file: %s. '
            'Please verify correctness of --image-builder-template '
            'parameter', template_filename)
        exit(1)
    external_net = (cfg.CONF.external_net
                    or neutron.choose_external_net(openstack_client.neutron))
    stack_name = 'shaker_%s' % uuid.uuid4()
    stack_parameters = {
        'external_net': external_net,
        'flavor': flavor_name,
        'dns_nameservers': dns_nameservers
    }
    stack_id = None
    try:
        stack_id = heat.create_stack(openstack_client.heat, stack_name,
                                     template, stack_parameters)

        outputs = heat.get_stack_outputs(openstack_client.heat, stack_id)
        LOG.debug('Stack outputs: %s', outputs)

        LOG.debug('Waiting for server to shutdown')
        server_id = outputs['server_info'].get('id')
        nova.wait_server_shutdown(openstack_client.nova, server_id)

        LOG.debug('Making snapshot')
        openstack_client.nova.servers.create_image(server_id, image_name)

        LOG.debug('Waiting for server to snapshot')
        nova.wait_server_snapshot(openstack_client.nova, server_id)

        LOG.info('Created image: %s', image_name)
    except BaseException as e:
        if isinstance(e, KeyboardInterrupt):
            LOG.info('Caught SIGINT. Terminating')
        else:
            error_msg = 'Error while building the image: %s' % e
            LOG.error(error_msg)
            LOG.exception(e)
    finally:
        if stack_id and cfg.CONF.cleanup_on_error:
            LOG.debug('Cleaning up the stack: %s', stack_id)
            openstack_client.heat.stacks.delete(stack_id)
Exemplo n.º 3
0
def build_image():
    openstack_client = init()
    flavor_name = cfg.CONF.flavor_name
    image_name = cfg.CONF.image_name
    dns_nameservers = cfg.CONF.dns_nameservers

    if nova.does_flavor_exist(openstack_client.nova, flavor_name):
        LOG.info('Using existing flavor: %s', flavor_name)
    else:
        try:
            nova.create_flavor(openstack_client.nova, name=flavor_name,
                               ram=cfg.CONF.flavor_ram,
                               vcpus=cfg.CONF.flavor_vcpus,
                               disk=cfg.CONF.flavor_disk)
            LOG.info('Created flavor %s', flavor_name)
        except nova.ForbiddenException:
            LOG.error('User does not have permissions to create the flavor. '
                      'Specify user with admin privileges or specify existing '
                      'flavor via --flavor-name parameter.')
            exit(1)

    if glance.get_image(openstack_client.glance, image_name):
        LOG.info('Using existing image: %s', image_name)
    else:
        template = None
        template_filename = cfg.CONF.image_builder_template
        try:
            am = lambda f: config.IMAGE_BUILDER_TEMPLATES + '%s.yaml' % f
            template = utils.read_file(template_filename, alias_mapper=am)
        except IOError:
            LOG.error('Error reading template file: %s. '
                      'Please verify correctness of --image-builder-template '
                      'parameter', template_filename)
            exit(1)

        external_net = (cfg.CONF.external_net or
                        neutron.choose_external_net(openstack_client.neutron))
        stack_name = 'shaker_%s' % uuid.uuid4()
        stack_parameters = {'external_net': external_net,
                            'flavor': flavor_name,
                            'dns_nameservers': dns_nameservers}

        stack_id = None

        try:
            stack_id = heat.create_stack(openstack_client.heat, stack_name,
                                         template, stack_parameters)

            outputs = heat.get_stack_outputs(openstack_client.heat, stack_id)
            LOG.debug('Stack outputs: %s', outputs)

            LOG.debug('Waiting for server to shutdown')
            server_id = outputs['server_info'].get('id')
            nova.wait_server_shutdown(openstack_client.nova, server_id)

            LOG.debug('Making snapshot')
            openstack_client.nova.servers.create_image(
                server_id, image_name)

            LOG.debug('Waiting for server to snapshot')
            nova.wait_server_snapshot(openstack_client.nova, server_id)

            LOG.info('Created image: %s', image_name)
        except BaseException as e:
            if isinstance(e, KeyboardInterrupt):
                LOG.info('Caught SIGINT. Terminating')
            else:
                error_msg = 'Error while building the image: %s' % e
                LOG.error(error_msg)
                LOG.exception(e)
        finally:
            if stack_id and cfg.CONF.cleanup_on_error:
                LOG.debug('Cleaning up the stack: %s', stack_id)
                openstack_client.heat.stacks.delete(stack_id)
Exemplo n.º 4
0
def build_image():
    openstack_client = init()
    flavor_name = cfg.CONF.flavor_name
    image_name = cfg.CONF.image_name

    if nova.is_flavor_exists(openstack_client.nova, flavor_name):
        LOG.info('Using existing flavor: %s', flavor_name)
    else:
        openstack_client.nova.flavors.create(name=flavor_name,
                                             ram=1024,
                                             vcpus=1,
                                             disk=3)
        LOG.info('Created flavor %s', flavor_name)

    if glance.get_image(openstack_client.glance, image_name):
        LOG.info('Using existing image: %s', image_name)
    else:
        template = None
        template_filename = cfg.CONF.image_builder_template
        try:
            template = utils.read_file(template_filename)
        except IOError:
            LOG.error(
                'Error reading template file: %s. '
                'Please verify correctness of --image-builder-template '
                'parameter', template_filename)
            exit(1)

        external_net = (cfg.CONF.external_net or neutron.choose_external_net(
            openstack_client.neutron))
        stack_params = {
            'stack_name': 'shaker_%s' % uuid.uuid4(),
            'parameters': {
                'external_net': external_net,
                'flavor': flavor_name
            },
            'template': template,
        }

        stack = openstack_client.heat.stacks.create(**stack_params)['stack']
        LOG.debug('New stack: %s', stack)

        heat.wait_stack_completion(openstack_client.heat, stack['id'])

        outputs = heat.get_stack_outputs(openstack_client.heat, stack['id'])
        LOG.debug('Stack outputs: %s', outputs)

        LOG.debug('Waiting for server to shutdown')
        server_id = outputs['server_info'].get('id')
        nova.wait_server_shutdown(openstack_client.nova, server_id)

        LOG.debug('Making snapshot')
        openstack_client.nova.servers.create_image(server_id, image_name)

        LOG.debug('Waiting for server to snapshot')
        nova.wait_server_snapshot(openstack_client.nova, server_id)

        LOG.debug('Clearing up')
        openstack_client.heat.stacks.delete(stack['id'])

        LOG.info('Created image: %s', image_name)