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from leapp.exceptions import StopActorExecutionError
from leapp.libraries.stdlib import api
# The devel variable for target product channel can also contain 'beta'
SUPPORTED_TARGET_CHANNELS = {'ga', 'e4s', 'eus', 'aus'}
CONSUMED_DATA_STREAM_ID = '3.0'
def get_env(name, default=None):
"""Return Leapp environment variable value if matched by name."""
for var in api.current_actor().configuration.leapp_env_vars:
if var.name == name:
return var.value
return default
def get_all_envs():
"""Return all Leapp environment variables (both name and value)."""
return api.current_actor().configuration.leapp_env_vars
def get_product_type(sys_type):
"""
Get expected product type (ga/beta/htb) of the chosen sys type.
By default, expected product type is 'ga'. It can be changed using these envars:
LEAPP_DEVEL_SOURCE_PRODUCT_TYPE
LEAPP_DEVEL_TARGET_PRODUCT_TYPE
which can set the product type of chosen system (source/target) to one of
valid product types: ga/beta/htb.
Raise ValueError when specified sys_type or set product_type is invalid.
:param sys_type: choose system for which to get the product type: 'source' or 'target'
:type sys_type: str
:return: 'ga' (default), 'htb', 'beta'
:rtype: str
"""
if sys_type == 'source':
envar = 'LEAPP_DEVEL_SOURCE_PRODUCT_TYPE'
elif sys_type == 'target':
envar = 'LEAPP_DEVEL_TARGET_PRODUCT_TYPE'
else:
raise ValueError('Given invalid sys_type. Valid values: source/target')
val = get_env(envar, '').lower()
if not val:
return 'ga'
if val in ('beta', 'htb', 'ga'):
return val
raise ValueError('Invalid value in the {} envar. Possible values: ga/beta/htb.'.format(envar))
def _stop_exection_due_invalid_channel(channel_specified_via, actual_value, supported_values):
raise StopActorExecutionError('Target channel specified via {0} has invalid value: {1}. Possible values: {2}'
.format(channel_specified_via, actual_value, ", ".join(supported_values)))
def get_target_product_channel(default='ga'):
"""
Get target product channel specified when running the IPU or default if no channel was specified.
The channel returned is always lower case regardless how it was specified by the user.
The target channel can be specified via:
- Using the environment variable LEAPP_DEVEL_TARGET_PRODUCT_TYPE (devel variable with higher priority than
any other way of specifying target channel).
- Using the environment variable LEAPP_TARGET_PRODUCT_CHANNEL
- Using the '--channel' option when running leapp preupgrade/upgrade
:param default: Value to be returned if no target product type has been specified when running leapp.
:type default: str
:returns: The user-specified target channel or default if no channel was specified.
:rtype: str
"""
devel_target_product_type = get_env('LEAPP_DEVEL_TARGET_PRODUCT_TYPE')
if devel_target_product_type:
devel_target_product_type = devel_target_product_type.lower()
supported_devel_target_channels = SUPPORTED_TARGET_CHANNELS | {'beta'}
if devel_target_product_type not in supported_devel_target_channels:
_stop_exection_due_invalid_channel('LEAPP_DEVEL_TARGET_PRODUCT_TYPE',
devel_target_product_type,
supported_devel_target_channels)
return devel_target_product_type
target_product_channel = get_env('LEAPP_TARGET_PRODUCT_CHANNEL')
if target_product_channel:
target_product_channel = target_product_channel.lower()
if target_product_channel not in SUPPORTED_TARGET_CHANNELS:
_stop_exection_due_invalid_channel('LEAPP_TARGET_PRODUCT_CHANNEL or the --channel option',
target_product_channel,
SUPPORTED_TARGET_CHANNELS)
return target_product_channel
return default
def get_consumed_data_stream_id():
"""Get the identifier of the asset family used by leapp."""
return CONSUMED_DATA_STREAM_ID