import functools import itertools import logging import logging.config import time from abc import ABC, abstractmethod from typing import Iterator, List, Optional from onapsdk.aai.business import Customer from onapsdk.configuration import settings from onapsdk.exceptions import SDKException, SettingsError from onaptests.steps.reports_collection import Report, ReportsCollection, ReportStepStatus from onaptests.utils.exceptions import OnapTestException, SubstepExecutionException class BaseStep(ABC): """Base step class.""" _logger: logging.Logger = logging.getLogger("") def __init_subclass__(cls): """Subclass initialization. Add _logger property for any BaseStep subclass """ super().__init_subclass__() cls._logger: logging.Logger = logging.getLogger("") logging.config.dictConfig(settings.LOG_CONFIG) # Setup Proxy if SOCK_HTTP is defined in settings try: cls.set_proxy(settings.SOCK_HTTP) except SettingsError: pass def __init__(self, cleanup: bool = False) -> None: """Step initialization. Args: cleanup(bool, optional): Determines if cleanup action should be called. """ self._steps: List["BaseStep"] = [] self._cleanup: bool = cleanup self._parent: "BaseStep" = None self._reports_collection: ReportsCollection = None self._start_execution_time: float = None self._start_cleanup_time: float = None self._execution_report: ReportStepStatus = None self._cleanup_report: ReportStepStatus = None def add_step(self, step: "BaseStep") -> None: """Add substep. Add substep and mark step as a substep parent. Args: step (BaseStep): Step object """ self._steps.append(step) step._parent: "BaseStep" = self @property def parent(self) -> "BaseStep": """Step parent. If parent is not set the step is a root one. """ return self._parent @property def is_root(self) -> bool: """Is a root step. Step is a root if has no parent Returns: bool: True if step is a root step, False otherwise """ return self._parent is None @property def reports_collection(self) -> ReportsCollection: """Collection to store step reports. Store there if step result is "PASS" or "FAIL" Returns: Queue: Thread safe collection to store reports """ if not self.is_root: return self.parent.reports_collection if not self._reports_collection: self._reports_collection = ReportsCollection() for step_report in itertools.chain(self.execution_reports, self.cleanup_reports): self._reports_collection.put(step_report) return self._reports_collection @property def execution_reports(self) -> Iterator[ReportsCollection]: """Execution reports generator. Steps tree postorder traversal Yields: Iterator[ReportsCollection]: Step execution report """ for step in self._steps: yield from step.execution_reports if self._execution_report: yield self._execution_report @property def cleanup_reports(self) -> Iterator[ReportsCollection]: """Cleanup reports generator. Steps tree preorder traversal Yields: Iterator[ReportsCollection]: Step cleanup report """ if self._cleanup: if self._cleanup_report: yield self._cleanup_report for step in self._steps: yield from step.cleanup_reports @property def name(self) -> str: """Step name.""" return self.__class__.__name__ @property @abstractmethod def description(self) -> str: """Step description. Used for reports Returns: str: Step description """ @property @abstractmethod def component(self) -> str: """Component name. Name of component which step is related with. Most is the name of ONAP component. Returns: str: Component name """ @classmethod def store_state(cls, fun=None, *, cleanup=False): if fun is None: return functools.partial(cls.store_state, cleanup=cleanup) @functools.wraps(fun) def wrapper(self, *args, **kwargs): try: if cleanup: self._start_cleanup_time = time.time() execution_status: Optional[ReportStepStatus] = None ret = fun(self, *args, **kwargs) execution_status = ReportStepStatus.PASS return ret except SubstepExecutionException: execution_status = ReportStepStatus.PASS if cleanup else ReportStepStatus.NOT_EXECUTED raise except (OnapTestException, SDKException): execution_status = ReportStepStatus.FAIL raise finally: if cleanup: self._cleanup_report = Report( step_description=f"[{self.component}] {self.name} cleanup: {self.description}", step_execution_status=execution_status, step_execution_duration=time.time() - self._start_cleanup_time ) else: if not self._start_execution_time: self._logger.error("No execution start time saved for %s step. Fix it by call `super.execute()` " "in step class `execute()` method definition", self.name) self._start_execution_time = time.time() self._execution_report = Report( step_description=f"[{self.component}] {self.name}: {self.description}", step_execution_status=execution_status if execution_status else ReportStepStatus.FAIL, step_execution_duration=time.time() - self._start_execution_time ) return wrapper def execute(self) -> None: """Step's action execution. Run all substeps action before it's own action. Override this method and remember to call `super().execute()` before. """ for step in self._steps: try: step.execute() except (OnapTestException, SDKException) as substep_err: raise SubstepExecutionException from substep_err self._start_execution_time = time.time() def cleanup(self) -> None: """Step's cleanup. Not all steps has to have cleanup method """ if self._cleanup: for step in self._steps: try: step.cleanup() except (OnapTestException, SDKException) as substep_err: raise SubstepExecutionException from substep_err @classmethod def set_proxy(cls, sock_http): """Set sock proxy.""" onap_proxy = {} onap_proxy['http'] = sock_http onap_proxy['https'] = sock_http Customer.set_proxy(onap_proxy) class YamlTemplateBaseStep(BaseStep, ABC): """Base YAML template step.""" @property @abstractmethod def yaml_template(self) -> dict: """YAML template abstract property. Every YAML template step need to implement that property. Returns: dict: YAML template """