1 # Copyright (c) 2019 Cisco and/or its affiliates.
2 # Licensed under the Apache License, Version 2.0 (the "License");
3 # you may not use this file except in compliance with the License.
4 # You may obtain a copy of the License at:
6 # http://www.apache.org/licenses/LICENSE-2.0
8 # Unless required by applicable law or agreed to in writing, software
9 # distributed under the License is distributed on an "AS IS" BASIS,
10 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 # See the License for the specific language governing permissions and
12 # limitations under the License.
16 Parsing of the specification YAML file.
21 from yaml import load, YAMLError
22 from pprint import pformat
24 from errors import PresentationError
25 from utils import get_last_successful_build_number
26 from utils import get_last_completed_build_number
29 class Specification(object):
30 """Specification of Presentation and analytics layer.
32 - based on specification specified in the specification YAML file
33 - presentation and analytics layer is model driven
36 # Tags are used in specification YAML file and replaced while the file is
41 def __init__(self, cfg_file):
44 :param cfg_file: File handler for the specification YAML file.
45 :type cfg_file: BinaryIO
47 self._cfg_file = cfg_file
50 self._specification = {"environment": dict(),
51 "configuration": dict(),
61 def specification(self):
62 """Getter - specification.
64 :returns: Specification.
67 return self._specification
70 def environment(self):
71 """Getter - environment.
73 :returns: Environment specification.
76 return self._specification["environment"]
79 def configuration(self):
80 """Getter - configuration.
82 :returns: Configuration of PAL.
85 return self._specification["configuration"]
89 """Getter - static content.
91 :returns: Static content specification.
94 return self._specification["static"]
100 :returns: Mapping of the old names of test cases to the new (actual)
104 return self._specification["configuration"]["mapping"]
108 """Getter - Ignore list.
110 :returns: List of ignored test cases.
113 return self._specification["configuration"]["ignore"]
117 """Getter - Alerting.
119 :returns: Specification of alerts.
122 return self._specification["configuration"]["alerting"]
126 """Getter - specification - inputs.
132 return self._specification["input"]
136 """Getter - builds defined in specification.
138 :returns: Builds defined in the specification.
141 return self.input["builds"]
145 """Getter - specification - output formats and versions to be generated.
147 - versions: full, ...
149 :returns: Outputs to be generated.
152 return self._specification["output"]
156 """Getter - tables to be generated.
158 :returns: List of specifications of tables to be generated.
161 return self._specification["tables"]
165 """Getter - plots to be generated.
167 :returns: List of specifications of plots to be generated.
170 return self._specification["plots"]
174 """Getter - files to be generated.
176 :returns: List of specifications of files to be generated.
179 return self._specification["files"]
183 """Getter - Continuous Performance Trending and Analysis to be
186 :returns: List of specifications of Continuous Performance Trending and
187 Analysis to be generated.
190 return self._specification["cpta"]
192 def set_input_state(self, job, build_nr, state):
193 """Set the state of input
202 for build in self._specification["input"]["builds"][job]:
203 if build["build"] == build_nr:
204 build["status"] = state
207 raise PresentationError("Build '{}' is not defined for job '{}'"
208 " in specification file.".
209 format(build_nr, job))
211 raise PresentationError("Job '{}' and build '{}' is not defined in "
212 "specification file.".format(job, build_nr))
214 def set_input_file_name(self, job, build_nr, file_name):
215 """Set the state of input
224 for build in self._specification["input"]["builds"][job]:
225 if build["build"] == build_nr:
226 build["file-name"] = file_name
229 raise PresentationError("Build '{}' is not defined for job '{}'"
230 " in specification file.".
231 format(build_nr, job))
233 raise PresentationError("Job '{}' and build '{}' is not defined in "
234 "specification file.".format(job, build_nr))
236 def _get_build_number(self, job, build_type):
237 """Get the number of the job defined by its name:
238 - lastSuccessfulBuild
241 :param job: Job name.
242 :param build_type: Build type:
243 - lastSuccessfulBuild
246 :raises PresentationError: If it is not possible to get the build
248 :returns: The build number.
252 # defined as a range <start, end>
253 if build_type == "lastSuccessfulBuild":
254 # defined as a range <start, lastSuccessfulBuild>
255 ret_code, build_nr, _ = get_last_successful_build_number(
256 self.environment["urls"]["URL[JENKINS,CSIT]"], job)
257 elif build_type == "lastCompletedBuild":
258 # defined as a range <start, lastCompletedBuild>
259 ret_code, build_nr, _ = get_last_completed_build_number(
260 self.environment["urls"]["URL[JENKINS,CSIT]"], job)
262 raise PresentationError("Not supported build type: '{0}'".
265 raise PresentationError("Not possible to get the number of the "
268 build_nr = int(build_nr)
270 except ValueError as err:
271 raise PresentationError("Not possible to get the number of the "
272 "build number.\nReason: {0}".format(err))
274 def _get_type_index(self, item_type):
275 """Get index of item type (environment, input, output, ...) in
276 specification YAML file.
278 :param item_type: Item type: Top level items in specification YAML file,
279 e.g.: environment, input, output.
281 :returns: Index of the given item type.
286 for item in self._cfg_yaml:
287 if item["type"] == item_type:
292 def _find_tag(self, text):
293 """Find the first tag in the given text. The tag is enclosed by the
294 TAG_OPENER and TAG_CLOSER.
296 :param text: Text to be searched.
298 :returns: The tag, or None if not found.
302 start = text.index(self.TAG_OPENER)
303 end = text.index(self.TAG_CLOSER, start + 1) + 1
304 return text[start:end]
308 def _replace_tags(self, data, src_data=None):
309 """Replace tag(s) in the data by their values.
311 :param data: The data where the tags will be replaced by their values.
312 :param src_data: Data where the tags are defined. It is dictionary where
313 the key is the tag and the value is the tag value. If not given, 'data'
315 :type data: str or dict
317 :returns: Data with the tags replaced.
319 :raises: PresentationError if it is not possible to replace the tag or
320 the data is not the supported data type (str, dict).
326 if isinstance(data, str):
327 tag = self._find_tag(data)
329 data = data.replace(tag, src_data[tag[1:-1]])
331 elif isinstance(data, dict):
333 for key, value in data.items():
334 tag = self._find_tag(value)
337 data[key] = value.replace(tag, src_data[tag[1:-1]])
340 raise PresentationError("Not possible to replace the "
341 "tag '{}'".format(tag))
343 self._replace_tags(data, src_data)
345 raise PresentationError("Replace tags: Not supported data type.")
349 def _parse_env(self):
350 """Parse environment specification in the specification YAML file.
353 logging.info("Parsing specification file: environment ...")
355 idx = self._get_type_index("environment")
360 self._specification["environment"]["configuration"] = \
361 self._cfg_yaml[idx]["configuration"]
363 self._specification["environment"]["configuration"] = None
366 self._specification["environment"]["paths"] = \
367 self._replace_tags(self._cfg_yaml[idx]["paths"])
369 self._specification["environment"]["paths"] = None
372 self._specification["environment"]["urls"] = \
373 self._replace_tags(self._cfg_yaml[idx]["urls"])
375 self._specification["environment"]["urls"] = None
378 self._specification["environment"]["make-dirs"] = \
379 self._cfg_yaml[idx]["make-dirs"]
381 self._specification["environment"]["make-dirs"] = None
384 self._specification["environment"]["remove-dirs"] = \
385 self._cfg_yaml[idx]["remove-dirs"]
387 self._specification["environment"]["remove-dirs"] = None
390 self._specification["environment"]["build-dirs"] = \
391 self._cfg_yaml[idx]["build-dirs"]
393 self._specification["environment"]["build-dirs"] = None
396 self._specification["environment"]["testbeds"] = \
397 self._cfg_yaml[idx]["testbeds"]
399 self._specification["environment"]["testbeds"] = None
401 logging.info("Done.")
403 def _parse_configuration(self):
404 """Parse configuration of PAL in the specification YAML file.
407 logging.info("Parsing specification file: configuration ...")
409 idx = self._get_type_index("configuration")
411 logging.warning("No configuration information in the specification "
416 self._specification["configuration"] = self._cfg_yaml[idx]
419 raise PresentationError("No configuration defined.")
421 # Data sets: Replace ranges by lists
422 for set_name, data_set in self.configuration["data-sets"].items():
423 for job, builds in data_set.items():
425 if isinstance(builds, dict):
426 build_nr = builds.get("end", None)
428 build_nr = int(build_nr)
430 # defined as a range <start, build_type>
431 build_nr = self._get_build_number(job, build_nr)
432 builds = [x for x in range(builds["start"], build_nr+1)]
433 self.configuration["data-sets"][set_name][job] = builds
437 mapping_file_name = self._specification["configuration"].\
438 get("mapping-file", None)
439 if mapping_file_name:
440 logging.debug("Mapping file: '{0}'".format(mapping_file_name))
442 with open(mapping_file_name, 'r') as mfile:
443 mapping = load(mfile)
444 logging.debug("Loaded mapping table:\n{0}".format(mapping))
445 except (YAMLError, IOError) as err:
446 raise PresentationError(
447 msg="An error occurred while parsing the mapping file "
448 "'{0}'.".format(mapping_file_name),
450 # Make sure everything is lowercase
452 self._specification["configuration"]["mapping"] = \
453 {key.lower(): val.lower() for key, val in mapping.iteritems()}
455 self._specification["configuration"]["mapping"] = dict()
459 ignore_list_name = self._specification["configuration"].\
460 get("ignore-list", None)
462 logging.debug("Ignore list file: '{0}'".format(ignore_list_name))
464 with open(ignore_list_name, 'r') as ifile:
466 logging.debug("Loaded ignore list:\n{0}".format(ignore))
467 except (YAMLError, IOError) as err:
468 raise PresentationError(
469 msg="An error occurred while parsing the ignore list file "
470 "'{0}'.".format(ignore_list_name),
472 # Make sure everything is lowercase
474 self._specification["configuration"]["ignore"] = \
475 [item.lower() for item in ignore]
477 self._specification["configuration"]["ignore"] = list()
479 logging.info("Done.")
481 def _parse_input(self):
482 """Parse input specification in the specification YAML file.
484 :raises: PresentationError if there are no data to process.
487 logging.info("Parsing specification file: input ...")
489 idx = self._get_type_index("input")
491 raise PresentationError("No data to process.")
494 for key, value in self._cfg_yaml[idx]["general"].items():
495 self._specification["input"][key] = value
496 self._specification["input"]["builds"] = dict()
498 for job, builds in self._cfg_yaml[idx]["builds"].items():
500 if isinstance(builds, dict):
501 build_nr = builds.get("end", None)
503 build_nr = int(build_nr)
505 # defined as a range <start, build_type>
506 build_nr = self._get_build_number(job, build_nr)
507 builds = [x for x in range(builds["start"], build_nr+1)]
508 self._specification["input"]["builds"][job] = list()
510 self._specification["input"]["builds"][job]. \
511 append({"build": build, "status": None})
514 logging.warning("No build is defined for the job '{}'. "
515 "Trying to continue without it.".
518 raise PresentationError("No data to process.")
520 logging.info("Done.")
522 def _parse_output(self):
523 """Parse output specification in the specification YAML file.
525 :raises: PresentationError if there is no output defined.
528 logging.info("Parsing specification file: output ...")
530 idx = self._get_type_index("output")
532 raise PresentationError("No output defined.")
535 self._specification["output"] = self._cfg_yaml[idx]
536 except (KeyError, IndexError):
537 raise PresentationError("No output defined.")
539 logging.info("Done.")
541 def _parse_static(self):
542 """Parse specification of the static content in the specification YAML
546 logging.info("Parsing specification file: static content ...")
548 idx = self._get_type_index("static")
550 logging.warning("No static content specified.")
552 for key, value in self._cfg_yaml[idx].items():
553 if isinstance(value, str):
555 self._cfg_yaml[idx][key] = self._replace_tags(
556 value, self._specification["environment"]["paths"])
560 self._specification["static"] = self._cfg_yaml[idx]
562 logging.info("Done.")
564 def _parse_elements(self):
565 """Parse elements (tables, plots) specification in the specification
569 logging.info("Parsing specification file: elements ...")
572 for element in self._cfg_yaml:
574 element["output-file"] = self._replace_tags(
575 element["output-file"],
576 self._specification["environment"]["paths"])
581 element["input-file"] = self._replace_tags(
582 element["input-file"],
583 self._specification["environment"]["paths"])
587 # add data sets to the elements:
588 if isinstance(element.get("data", None), str):
589 data_set = element["data"]
591 element["data"] = self.configuration["data-sets"][data_set]
593 raise PresentationError("Data set {0} is not defined in "
594 "the configuration section.".
597 if element["type"] == "table":
598 logging.info(" {:3d} Processing a table ...".format(count))
600 element["template"] = self._replace_tags(
602 self._specification["environment"]["paths"])
605 self._specification["tables"].append(element)
608 elif element["type"] == "plot":
609 logging.info(" {:3d} Processing a plot ...".format(count))
611 # Add layout to the plots:
612 layout = element["layout"].get("layout", None)
613 if layout is not None:
614 element["layout"].pop("layout")
616 for key, val in (self.configuration["plot-layouts"]
618 element["layout"][key] = val
620 raise PresentationError("Layout {0} is not defined in "
621 "the configuration section.".
623 self._specification["plots"].append(element)
626 elif element["type"] == "file":
627 logging.info(" {:3d} Processing a file ...".format(count))
629 element["dir-tables"] = self._replace_tags(
630 element["dir-tables"],
631 self._specification["environment"]["paths"])
634 self._specification["files"].append(element)
637 elif element["type"] == "cpta":
638 logging.info(" {:3d} Processing Continuous Performance "
639 "Trending and Analysis ...".format(count))
641 for plot in element["plots"]:
642 # Add layout to the plots:
643 layout = plot.get("layout", None)
644 if layout is not None:
647 self.configuration["plot-layouts"][layout]
649 raise PresentationError(
650 "Layout {0} is not defined in the "
651 "configuration section.".format(layout))
653 if isinstance(plot.get("data", None), str):
654 data_set = plot["data"]
657 self.configuration["data-sets"][data_set]
659 raise PresentationError(
660 "Data set {0} is not defined in "
661 "the configuration section.".
663 self._specification["cpta"] = element
666 logging.info("Done.")
668 def read_specification(self):
669 """Parse specification in the specification YAML file.
671 :raises: PresentationError if an error occurred while parsing the
675 self._cfg_yaml = load(self._cfg_file)
676 except YAMLError as err:
677 raise PresentationError(msg="An error occurred while parsing the "
678 "specification file.",
682 self._parse_configuration()
686 self._parse_elements()
688 logging.debug("Specification: \n{}".
689 format(pformat(self._specification)))