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Return an empty dict if no entitlements are present. """ if self._entitlements: return self._entitlements machine_token = self.machine_token if not machine_token: return {} self._entitlements = {} contractInfo = machine_token["machineTokenInfo"]["contractInfo"] tokens_by_name = dict( (e["type"], e["token"]) for e in machine_token.get("resourceTokens", []) ) ent_by_name = dict( (e["type"], e) for e in contractInfo["resourceEntitlements"] ) for entitlement_name, ent_value in ent_by_name.items(): entitlement_cfg = {"entitlement": ent_value} if entitlement_name in tokens_by_name: entitlement_cfg["resourceToken"] = tokens_by_name[ entitlement_name ] util.apply_series_overrides(entitlement_cfg) self._entitlements[entitlement_name] = entitlement_cfg return self._entitlements @property def is_attached(self): """Report whether this machine configuration is attached to UA.""" return bool(self.machine_token) # machine_token is removed on detach @property def machine_token(self): """Return the machine-token if cached in the machine token response.""" if not self._machine_token: self._machine_token = self.read_cache("machine-token") return self._machine_token def data_path(self, key: "Optional[str]" = None) -> str: """Return the file path in the data directory represented by the key""" data_dir = self.cfg["data_dir"] if not key: return os.path.join(data_dir, PRIVATE_SUBDIR) if key in self.data_paths: data_path = self.data_paths[key] if data_path.private: return os.path.join( data_dir, PRIVATE_SUBDIR, data_path.filename ) return os.path.join(data_dir, data_path.filename) return os.path.join(data_dir, PRIVATE_SUBDIR, key) def _perform_delete(self, cache_path: str) -> None: """Delete the given cache_path if it exists. (This is a separate method to allow easier disabling of deletion during tests.) """ if os.path.exists(cache_path): os.unlink(cache_path) def delete_cache_key(self, key: str) -> None: """Remove specific cache file.""" if not key: raise RuntimeError( "Invalid or empty key provided to delete_cache_key" ) if key == "machine-token": self._entitlements = None self._machine_token = None cache_path = self.data_path(key) self._perform_delete(cache_path) def delete_cache(self): """Remove configuration cached response files class attributes.""" for path_key in self.data_paths.keys(): self.delete_cache_key(path_key) def read_cache(self, key: str, silent: bool = False) -> "Optional[Any]": cache_path = self.data_path(key) try: content = util.load_file(cache_path) except Exception: if not os.path.exists(cache_path) and not silent: logging.debug("File does not exist: %s", cache_path) return None try: return json.loads(content, cls=util.DatetimeAwareJSONDecoder) except ValueError: return content def write_cache(self, key: str, content: "Any") -> None: filepath = self.data_path(key) data_dir = os.path.dirname(filepath) if not os.path.exists(data_dir): os.makedirs(data_dir) if os.path.basename(data_dir) == PRIVATE_SUBDIR: os.chmod(data_dir, 0o700) if key == "machine-token": self._machine_token = None self._entitlements = None if not isinstance(content, str): content = json.dumps(content, cls=util.DatetimeAwareJSONEncoder) mode = 0o600 if key in self.data_paths: if not self.data_paths[key].private: mode = 0o644 util.write_file(filepath, content, mode=mode) def _unattached_status(self) -> "Dict[str, Any]": """Return unattached status as a dict.""" from uaclient.contract import get_available_resources from uaclient.entitlements import ENTITLEMENT_CLASS_BY_NAME response = copy.deepcopy(DEFAULT_STATUS) resources = get_available_resources(self) for resource in sorted(resources, key=lambda x: x["name"]): if resource["available"]: available = status.UserFacingAvailability.AVAILABLE.value else: available = status.UserFacingAvailability.UNAVAILABLE.value ent_cls = ENTITLEMENT_CLASS_BY_NAME.get(resource["name"]) if not ent_cls: LOG.debug( "Ignoring availability of unknown service %s" " from contract server", resource["name"], ) continue response["services"].append( { "name": resource["name"], "description": ent_cls.description, "available": available, } ) return response def _attached_service_status( self, ent, inapplicable_resources ) -> "Dict[str, Optional[str]]": details = "" description_override = None contract_status = ent.contract_status() if contract_status == status.ContractStatus.UNENTITLED: ent_status = status.UserFacingStatus.UNAVAILABLE else: if ent.name in inapplicable_resources: ent_status = status.UserFacingStatus.INAPPLICABLE description_override = inapplicable_resources[ent.name] else: ent_status, details = ent.user_facing_status() return { "name": ent.name, "description": ent.description, "entitled": contract_status.value, "status": ent_status.value, "statusDetails": details, "description_override": description_override, } def _attached_status(self) -> "Dict[str, Any]": """Return configuration of attached status as a dictionary.""" from uaclient.contract import get_available_resources from uaclient.entitlements import ENTITLEMENT_CLASSES response = copy.deepcopy(DEFAULT_STATUS) contractInfo = self.machine_token["machineTokenInfo"]["contractInfo"] response.update( { "attached": True, "account": self.accounts[0]["name"], "account-id": self.accounts[0]["id"], "origin": contractInfo.get("origin"), "subscription": contractInfo["name"], "subscription-id": contractInfo["id"], } ) if contractInfo.get("effectiveTo"): response["expires"] = datetime.strptime( contractInfo["effectiveTo"], "%Y-%m-%dT%H:%M:%SZ" ) resources = self.machine_token.get("availableResources") if not resources: resources = get_available_resources(self) inapplicable_resources = { resource["name"]: resource.get("description") for resource in sorted(resources, key=lambda x: x["name"]) if not resource["available"] } for ent_cls in ENTITLEMENT_CLASSES: ent = ent_cls(self) response["services"].append( self._attached_service_status(ent, inapplicable_resources) ) support = self.entitlements.get("support", {}).get("entitlement") if support: supportLevel = support.get("affordances", {}).get("supportLevel") if not supportLevel: supportLevel = DEFAULT_STATUS["techSupportLevel"] response["techSupportLevel"] = supportLevel return response def status(self) -> "Dict[str, Any]": """Return status as a dict, using a cache for non-root users When unattached, get available resources from the contract service to report detailed availability of different resources for this machine. Write the status-cache when called by root. """ if os.getuid() != 0: response = cast("Dict[str, Any]", self.read_cache("status-cache")) if not response: response = self._unattached_status() elif not self.is_attached: response = self._unattached_status() else: response = self._attached_status() if os.getuid() == 0: self.write_cache("status-cache", response) return response def parse_config(config_path=None): """Parse known UA config file Attempt to find configuration in cwd and fallback to DEFAULT_CONFIG_FILE. Any missing configuration keys will be set to CONFIG_DEFAULTS. Values are overridden by any environment variable with prefix 'UA_'. @param config_path: Fullpath to ua configfile. If unspecified, use DEFAULT_CONFIG_FILE. @return: Dict of configuration values. """ if not config_path: config_path = DEFAULT_CONFIG_FILE cfg = copy.copy(CONFIG_DEFAULTS) local_cfg = os.path.join(os.getcwd(), os.path.basename(config_path)) if os.path.exists(local_cfg): config_path = local_cfg if os.environ.get("UA_CONFIG_FILE"): config_path = os.environ.get("UA_CONFIG_FILE") LOG.debug("Using UA client configuration file at %s", config_path) if os.path.exists(config_path): cfg.update(yaml.safe_load(util.load_file(config_path))) env_keys = {} for key, value in os.environ.items(): key = key.lower() if key.startswith("ua_"): env_keys[key[3:]] = value # Strip leading UA_ cfg.update(env_keys) cfg["log_level"] = cfg["log_level"].upper() cfg["data_dir"] = os.path.expanduser(cfg["data_dir"]) if not util.is_service_url(cfg["contract_url"]): raise exceptions.UserFacingError( "Invalid url in config. contract_url: {}".format( cfg["contract_url"] ) ) return cfg