def glance_image_download_cmd(config, image_id, destination_file):
"""Generates glance command which stores `image_id` in `destination_file`
:returns: Openstack CLI command
"""
image_download_cmd = clients.os_cli_cmd(
config, 'glance', 'image-download', image_id)
return "{img_download_cmd} > {file}".format(
img_download_cmd=image_download_cmd,
file=destination_file)
def test_skips_region_if_not_set_in_config(self):
config = mock.Mock()
config.region = None
config.tenant = 't1'
config.user = '******'
config.password = '******'
config.auth_url = 'auth url'
cmd = clients.os_cli_cmd(config, 'glance', 'help')
self.assertNotIn('--os-region', cmd)
def test_builds_cmd_with_all_required_creds(self):
config = mock.Mock()
config.region = 'region1'
config.tenant = 't1'
config.user = '******'
config.password = '******'
config.auth_url = 'auth url'
client = 'glance'
args = ['image-get', 'image-id1']
cmd = clients.os_cli_cmd(config, client, *args)
self.assertIn('--os-tenant-name', cmd)
self.assertIn('--os-username', cmd)
self.assertIn('--os-password', cmd)
self.assertIn('--os-auth-url', cmd)
self.assertIn('--os-region', cmd)
self.assertTrue(cmd.startswith(client))
self.assertTrue(cmd.endswith(" ".join(args)))
def cobalt_live_migrate_vm(config, vm_id, dest_host):
"""Cobalt live migration is implemented as nova extension, so it's not
reachable through standard `novaclient.v1_1.Client()` instance
(or at least I was unable to find a way in a reasonable timeframe). Thus
running it as a CLI command."""
LOG.info("migrating {vm} to {host} using Cobalt".format(vm=vm_id,
host=dest_host))
host_string = "{user}@{host}".format(user=config.cloud.ssh_user,
host=config.cloud.ssh_host)
with settings(warn_only=True,
host_string=host_string,
key_filename=config.migrate.key_filename,
connection_attempts=config.migrate.ssh_connection_attempts):
migrate_cmd = clients.os_cli_cmd(config.cloud, "nova",
"cobalt-migrate", vm_id, "--dest",
dest_host)
LOG.debug(migrate_cmd)
run(migrate_cmd)
def glance_image_create_cmd(config, image_name, disk_format, file_path,
container_format="bare"):
"""Generates glance command which creates image based on arguments
provided. Command output is filtered for 'id'
:returns: Openstack CLI command"""
if file_path.startswith("http"):
file_prefix = "location"
else:
file_prefix = "file"
args = ("image-create "
"--name {image_name} "
"--disk-format={disk_format} "
"--container-format={container_format} "
"--{file_prefix} {file_path}").format(
image_name=image_name,
disk_format=disk_format,
container_format=container_format,
file_prefix=file_prefix,
file_path=file_path
)
return "{image_create} | grep '\<id\>'".format(
image_create=clients.os_cli_cmd(config, 'glance', args))
def cobalt_live_migrate_vm(config, vm_id, dest_host):
"""Cobalt live migration is implemented as nova extension, so it's not
reachable through standard `novaclient.v1_1.Client()` instance
(or at least I was unable to find a way in a reasonable timeframe). Thus
running it as a CLI command."""
LOG.info("migrating {vm} to {host} using Cobalt".format(
vm=vm_id,
host=dest_host
))
host_string = "{user}@{host}".format(
user=config.cloud.ssh_user, host=config.cloud.ssh_host)
with settings(warn_only=True,
host_string=host_string,
key_filename=config.migrate.key_filename,
connection_attempts=config.migrate.ssh_connection_attempts):
migrate_cmd = clients.os_cli_cmd(config.cloud, "nova",
"cobalt-migrate", vm_id,
"--dest", dest_host)
LOG.debug(migrate_cmd)
run(migrate_cmd)
