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import logging
from typing import List, Optional
from uaclient import entitlements, lock, messages, status, util
from uaclient.api import AbstractProgress, ProgressWrapper, exceptions
from uaclient.api.api import APIEndpoint
from uaclient.api.data_types import AdditionalInfo
from uaclient.api.u.pro.status.enabled_services.v1 import _enabled_services
from uaclient.api.u.pro.status.is_attached.v1 import _is_attached
from uaclient.config import UAConfig
from uaclient.data_types import (
BoolDataValue,
DataObject,
Field,
StringDataValue,
data_list,
)
LOG = logging.getLogger(util.replace_top_level_logger_name(__name__))
class DisableOptions(DataObject):
fields = [
Field("service", StringDataValue, doc="Pro service to disable"),
Field(
"purge",
BoolDataValue,
False,
doc=(
"Also remove all packages that were installed from this"
" service. Only supported by some services. (default: false)"
),
),
]
def __init__(self, *, service: str, purge: bool = False):
self.service = service
self.purge = purge
class DisableResult(DataObject, AdditionalInfo):
fields = [
Field(
"disabled",
data_list(StringDataValue),
doc="List of services disabled",
),
]
def __init__(self, *, disabled: List[str]):
self.disabled = disabled
def _enabled_services_names(cfg: UAConfig) -> List[str]:
return [s.name for s in _enabled_services(cfg).enabled_services]
def disable(
options: DisableOptions, progress_object: Optional[AbstractProgress] = None
) -> DisableResult:
return _disable(options, UAConfig(), progress_object=progress_object)
def _disable(
options: DisableOptions,
cfg: UAConfig,
progress_object: Optional[AbstractProgress] = None,
) -> DisableResult:
"""
Disable a Pro service. This will automatically disable any services that
depend on the target service.
"""
progress = ProgressWrapper(progress_object)
if not util.we_are_currently_root():
raise exceptions.NonRootUserError()
if not _is_attached(cfg).is_attached:
raise exceptions.UnattachedError()
entitlement = entitlements.entitlement_factory(
cfg=cfg,
name=options.service,
purge=options.purge,
)
enabled_services_before = _enabled_services_names(cfg)
# Do this after getting the class so that the factory can raise an
# exception for invalid service names
if options.service not in enabled_services_before:
# nothing to do
return DisableResult(
disabled=[],
)
variant = entitlement.enabled_variant
if variant is not None:
entitlement = variant
progress.total_steps = entitlement.calculate_total_disable_steps()
success = False
fail_reason = None
try:
with lock.RetryLock(
lock_holder="u.pro.services.disable.v1",
):
success, fail_reason = entitlement.disable(progress)
except Exception as e:
lock.clear_lock_file_if_present()
raise e
if not success:
if fail_reason is not None and fail_reason.message is not None:
reason = fail_reason.message
else:
reason = messages.GENERIC_UNKNOWN_ISSUE
raise exceptions.EntitlementNotDisabledError(
service=options.service, reason=reason
)
enabled_services_after = _enabled_services_names(cfg)
status.status(cfg=cfg) # Update the status cache
progress.finish()
return DisableResult(
disabled=sorted(
list(
set(enabled_services_before).difference(
set(enabled_services_after)
)
)
),
)
endpoint = APIEndpoint(
version="v1",
name="DisableService",
fn=_disable,
options_cls=DisableOptions,
supports_progress=True,
)
_doc = {
"introduced_in": "32",
"requires_network": True,
"example_python": """
from uaclient.api.u.pro.services.disable.v1 import disable, DisableOptions
result = disable(DisableOptions(service="usg"))
""",
"result_class": DisableResult,
"exceptions": [
(exceptions.NonRootUserError, "When called as non-root user"),
(
exceptions.UnattachedError,
(
"When called on a machine that is not attached to a Pro"
" subscription"
),
),
(
exceptions.EntitlementNotFoundError,
"When the service argument is not a valid Pro service name",
),
(
exceptions.LockHeldError,
"When another Ubuntu Pro related operation is in progress",
),
(
exceptions.EntitlementNotDisabledError,
"When the service fails to disable",
),
],
"example_cli": "pro api u.pro.services.disable.v1 --args service=usg",
"example_json": """
{
"disabled": [
"usg"
]
}
""",
}