508 lines
19 KiB
Python
Executable File
508 lines
19 KiB
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: Apache-2.0
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# Copyright (c) 2021 Intel Corporation
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# A script to generate twister options based on modified files.
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import re, os
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import argparse
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import yaml
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import fnmatch
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import subprocess
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import json
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import logging
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import sys
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import glob
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from pathlib import Path
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from git import Repo
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from west.manifest import Manifest
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try:
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from yaml import CSafeLoader as SafeLoader
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except ImportError:
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from yaml import SafeLoader
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if "ZEPHYR_BASE" not in os.environ:
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exit("$ZEPHYR_BASE environment variable undefined.")
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# These are globaly used variables. They are assigned in __main__ and are visible in further methods
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# however, pylint complains that it doesn't recognized them when used (used-before-assignment).
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zephyr_base = Path(os.environ['ZEPHYR_BASE'])
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repository_path = zephyr_base
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repo_to_scan = Repo(zephyr_base)
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args = None
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logging.basicConfig(format='%(levelname)s: %(message)s', level=logging.INFO)
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logging.getLogger("pykwalify.core").setLevel(50)
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sys.path.append(os.path.join(zephyr_base, 'scripts'))
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import list_boards
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def _get_match_fn(globs, regexes):
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# Constructs a single regex that tests for matches against the globs in
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# 'globs' and the regexes in 'regexes'. Parts are joined with '|' (OR).
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# Returns the search() method of the compiled regex.
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#
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# Returns None if there are neither globs nor regexes, which should be
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# interpreted as no match.
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if not (globs or regexes):
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return None
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regex = ""
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if globs:
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glob_regexes = []
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for glob in globs:
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# Construct a regex equivalent to the glob
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glob_regex = glob.replace(".", "\\.").replace("*", "[^/]*") \
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.replace("?", "[^/]")
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if not glob.endswith("/"):
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# Require a full match for globs that don't end in /
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glob_regex += "$"
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glob_regexes.append(glob_regex)
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# The glob regexes must anchor to the beginning of the path, since we
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# return search(). (?:) is a non-capturing group.
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regex += "^(?:{})".format("|".join(glob_regexes))
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if regexes:
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if regex:
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regex += "|"
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regex += "|".join(regexes)
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return re.compile(regex).search
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class Tag:
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"""
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Represents an entry for a tag in tags.yaml.
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These attributes are available:
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name:
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List of GitHub labels for the area. Empty if the area has no 'labels'
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key.
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description:
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Text from 'description' key, or None if the area has no 'description'
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key
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"""
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def _contains(self, path):
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# Returns True if the area contains 'path', and False otherwise
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return self._match_fn and self._match_fn(path) and not \
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(self._exclude_match_fn and self._exclude_match_fn(path))
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def __repr__(self):
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return "<Tag {}>".format(self.name)
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class Filters:
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def __init__(self, modified_files, ignore_path, alt_tags, testsuite_root,
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pull_request=False, platforms=[], detailed_test_id=True, quarantine_list=None, tc_roots_th=20):
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self.modified_files = modified_files
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self.testsuite_root = testsuite_root
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self.resolved_files = []
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self.twister_options = []
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self.full_twister = False
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self.all_tests = []
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self.tag_options = []
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self.pull_request = pull_request
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self.platforms = platforms
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self.detailed_test_id = detailed_test_id
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self.ignore_path = ignore_path
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self.tag_cfg_file = alt_tags
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self.quarantine_list = quarantine_list
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self.tc_roots_th = tc_roots_th
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def process(self):
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self.find_modules()
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self.find_tags()
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self.find_tests()
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if not self.platforms:
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self.find_archs()
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self.find_boards()
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self.find_excludes()
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def get_plan(self, options, integration=False, use_testsuite_root=True):
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fname = "_test_plan_partial.json"
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cmd = [f"{zephyr_base}/scripts/twister", "-c"] + options + ["--save-tests", fname ]
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if not self.detailed_test_id:
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cmd += ["--no-detailed-test-id"]
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if self.testsuite_root and use_testsuite_root:
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for root in self.testsuite_root:
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cmd+=["-T", root]
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if integration:
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cmd.append("--integration")
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if self.quarantine_list:
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for q in self.quarantine_list:
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cmd += ["--quarantine-list", q]
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logging.info(" ".join(cmd))
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_ = subprocess.call(cmd)
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with open(fname, newline='') as jsonfile:
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json_data = json.load(jsonfile)
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suites = json_data.get("testsuites", [])
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self.all_tests.extend(suites)
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if os.path.exists(fname):
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os.remove(fname)
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def find_modules(self):
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if 'west.yml' in self.modified_files:
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print(f"Manifest file 'west.yml' changed")
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print("=========")
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old_manifest_content = repo_to_scan.git.show(f"{args.commits[:-2]}:west.yml")
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with open("west_old.yml", "w") as manifest:
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manifest.write(old_manifest_content)
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old_manifest = Manifest.from_file("west_old.yml")
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new_manifest = Manifest.from_file("west.yml")
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old_projs = set((p.name, p.revision) for p in old_manifest.projects)
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new_projs = set((p.name, p.revision) for p in new_manifest.projects)
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logging.debug(f'old_projs: {old_projs}')
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logging.debug(f'new_projs: {new_projs}')
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# Removed projects
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rprojs = set(filter(lambda p: p[0] not in list(p[0] for p in new_projs),
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old_projs - new_projs))
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# Updated projects
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uprojs = set(filter(lambda p: p[0] in list(p[0] for p in old_projs),
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new_projs - old_projs))
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# Added projects
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aprojs = new_projs - old_projs - uprojs
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# All projs
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projs = rprojs | uprojs | aprojs
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projs_names = [name for name, rev in projs]
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logging.info(f'rprojs: {rprojs}')
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logging.info(f'uprojs: {uprojs}')
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logging.info(f'aprojs: {aprojs}')
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logging.info(f'project: {projs_names}')
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_options = []
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for p in projs_names:
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_options.extend(["-t", p ])
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if self.platforms:
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for platform in self.platforms:
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_options.extend(["-p", platform])
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self.get_plan(_options, True)
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def find_archs(self):
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# we match both arch/<arch>/* and include/zephyr/arch/<arch> and skip common.
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archs = set()
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for f in self.modified_files:
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p = re.match(r"^arch\/([^/]+)\/", f)
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if not p:
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p = re.match(r"^include\/zephyr\/arch\/([^/]+)\/", f)
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if p:
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if p.group(1) != 'common':
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archs.add(p.group(1))
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# Modified file is treated as resolved, since a matching scope was found
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self.resolved_files.append(f)
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_options = []
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for arch in archs:
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_options.extend(["-a", arch ])
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if _options:
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logging.info(f'Potential architecture filters...')
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if self.platforms:
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for platform in self.platforms:
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_options.extend(["-p", platform])
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self.get_plan(_options, True)
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else:
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self.get_plan(_options, True)
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def find_boards(self):
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changed_boards = set()
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matched_boards = {}
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resolved_files = []
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for file in self.modified_files:
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if file.endswith(".rst") or file.endswith(".png") or file.endswith(".jpg"):
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continue
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if file.startswith("boards/"):
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changed_boards.add(file)
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resolved_files.append(file)
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roots = [zephyr_base]
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if repository_path != zephyr_base:
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roots.append(repository_path)
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# Look for boards in monitored repositories
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lb_args = argparse.Namespace(**{'arch_roots': roots, 'board_roots': roots, 'board': None, 'soc_roots':roots,
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'board_dir': None})
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known_boards = list_boards.find_v2_boards(lb_args)
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for changed in changed_boards:
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for board in known_boards:
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c = (zephyr_base / changed).resolve()
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if c.is_relative_to(board.dir.resolve()):
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for file in glob.glob(os.path.join(board.dir, f"{board.name}*.yaml")):
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with open(file, 'r') as f:
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b = yaml.load(f.read(), Loader=SafeLoader)
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matched_boards[b['identifier']] = board
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logging.info(f"found boards: {','.join(matched_boards.keys())}")
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# If modified file is caught by "find_boards" workflow (change in "boards" dir AND board recognized)
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# it means a proper testing scope for this file was found and this file can be removed
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# from further consideration
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for _, board in matched_boards.items():
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self.resolved_files.extend(list(filter(lambda f: str(board.dir.relative_to(zephyr_base)) in f, resolved_files)))
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_options = []
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if len(matched_boards) > 20:
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logging.warning(f"{len(matched_boards)} boards changed, this looks like a global change, skipping test handling, revert to default.")
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self.full_twister = True
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return
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for board in matched_boards:
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_options.extend(["-p", board ])
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if _options:
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logging.info(f'Potential board filters...')
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self.get_plan(_options)
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def find_tests(self):
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tests = set()
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for f in self.modified_files:
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if f.endswith(".rst"):
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continue
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d = os.path.dirname(f)
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scope_found = False
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while not scope_found and d:
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head, tail = os.path.split(d)
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if os.path.exists(os.path.join(d, "testcase.yaml")) or \
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os.path.exists(os.path.join(d, "sample.yaml")):
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tests.add(d)
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# Modified file is treated as resolved, since a matching scope was found
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self.resolved_files.append(f)
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scope_found = True
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elif tail == "common":
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# Look for yamls in directories collocated with common
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yamls_found = [yaml for yaml in glob.iglob(head + '/**/testcase.yaml', recursive=True)]
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yamls_found.extend([yaml for yaml in glob.iglob(head + '/**/sample.yaml', recursive=True)])
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if yamls_found:
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for yaml in yamls_found:
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tests.add(os.path.dirname(yaml))
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self.resolved_files.append(f)
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scope_found = True
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else:
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d = os.path.dirname(d)
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else:
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d = os.path.dirname(d)
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_options = []
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for t in tests:
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_options.extend(["-T", t ])
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if len(tests) > self.tc_roots_th:
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logging.warning(f"{len(tests)} tests changed, this looks like a global change, skipping test handling, revert to default")
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self.full_twister = True
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return
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if _options:
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logging.info(f'Potential test filters...({len(tests)} changed...)')
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if self.platforms:
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for platform in self.platforms:
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_options.extend(["-p", platform])
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self.get_plan(_options, use_testsuite_root=False)
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def find_tags(self):
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with open(self.tag_cfg_file, 'r') as ymlfile:
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tags_config = yaml.safe_load(ymlfile)
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tags = {}
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for t,x in tags_config.items():
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tag = Tag()
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tag.exclude = True
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tag.name = t
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# tag._match_fn(path) tests if the path matches files and/or
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# files-regex
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tag._match_fn = _get_match_fn(x.get("files"), x.get("files-regex"))
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# Like tag._match_fn(path), but for files-exclude and
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# files-regex-exclude
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tag._exclude_match_fn = \
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_get_match_fn(x.get("files-exclude"), x.get("files-regex-exclude"))
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tags[tag.name] = tag
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for f in self.modified_files:
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for t in tags.values():
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if t._contains(f):
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t.exclude = False
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exclude_tags = set()
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for t in tags.values():
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if t.exclude:
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exclude_tags.add(t.name)
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for tag in exclude_tags:
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self.tag_options.extend(["-e", tag ])
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if exclude_tags:
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logging.info(f'Potential tag based filters: {exclude_tags}')
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def find_excludes(self, skip=[]):
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with open(self.ignore_path, "r") as twister_ignore:
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ignores = twister_ignore.read().splitlines()
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ignores = filter(lambda x: not x.startswith("#"), ignores)
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found = set()
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files_not_resolved = list(filter(lambda x: x not in self.resolved_files, self.modified_files))
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for pattern in ignores:
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if pattern:
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found.update(fnmatch.filter(files_not_resolved, pattern))
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logging.debug(found)
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logging.debug(files_not_resolved)
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# Full twister run can be ordered by detecting great number of tests/boards changed
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# or if not all modified files were resolved (corresponding scope found)
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self.full_twister = self.full_twister or sorted(files_not_resolved) != sorted(found)
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if self.full_twister:
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_options = []
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logging.info(f'Need to run full or partial twister...')
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if self.platforms:
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for platform in self.platforms:
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_options.extend(["-p", platform])
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_options.extend(self.tag_options)
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self.get_plan(_options)
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else:
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_options.extend(self.tag_options)
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self.get_plan(_options, True)
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else:
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logging.info(f'No twister needed or partial twister run only...')
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def parse_args():
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parser = argparse.ArgumentParser(
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description="Generate twister argument files based on modified file",
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allow_abbrev=False)
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parser.add_argument('-c', '--commits', default=None,
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help="Commit range in the form: a..b")
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parser.add_argument('-m', '--modified-files', default=None,
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help="File with information about changed/deleted/added files.")
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parser.add_argument('-o', '--output-file', default="testplan.json",
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help="JSON file with the test plan to be passed to twister")
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parser.add_argument('-P', '--pull-request', action="store_true",
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help="This is a pull request")
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parser.add_argument('-p', '--platform', action="append",
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help="Limit this for a platform or a list of platforms.")
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parser.add_argument('-t', '--tests_per_builder', default=700, type=int,
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help="Number of tests per builder")
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parser.add_argument('-n', '--default-matrix', default=10, type=int,
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help="Number of tests per builder")
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parser.add_argument('--testcase-roots-threshold', default=20, type=int,
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help="Threshold value for number of modified testcase roots, up to which an optimized scope is still applied."
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"When exceeded, full scope will be triggered")
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parser.add_argument('--detailed-test-id', action='store_true',
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help="Include paths to tests' locations in tests' names.")
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parser.add_argument("--no-detailed-test-id", dest='detailed_test_id', action="store_false",
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help="Don't put paths into tests' names.")
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parser.add_argument('-r', '--repo-to-scan', default=None,
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help="Repo to scan")
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parser.add_argument('--ignore-path',
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default=os.path.join(zephyr_base, 'scripts', 'ci', 'twister_ignore.txt'),
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help="Path to a text file with patterns of files to be matched against changed files")
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parser.add_argument('--alt-tags',
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default=os.path.join(zephyr_base, 'scripts', 'ci', 'tags.yaml'),
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help="Path to a file describing relations between directories and tags")
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parser.add_argument(
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"-T", "--testsuite-root", action="append", default=[],
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help="Base directory to recursively search for test cases. All "
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"testcase.yaml files under here will be processed. May be "
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"called multiple times. Defaults to the 'samples/' and "
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"'tests/' directories at the base of the Zephyr tree.")
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parser.add_argument(
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"--quarantine-list", action="append", metavar="FILENAME",
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help="Load list of test scenarios under quarantine. The entries in "
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"the file need to correspond to the test scenarios names as in "
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"corresponding tests .yaml files. These scenarios "
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"will be skipped with quarantine as the reason.")
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# Include paths in names by default.
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parser.set_defaults(detailed_test_id=True)
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return parser.parse_args()
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if __name__ == "__main__":
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args = parse_args()
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files = []
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errors = 0
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if args.repo_to_scan:
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repository_path = Path(args.repo_to_scan)
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repo_to_scan = Repo(repository_path)
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if args.commits:
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commit = repo_to_scan.git.diff("--name-only", args.commits)
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files = commit.split("\n")
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elif args.modified_files:
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with open(args.modified_files, "r") as fp:
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files = json.load(fp)
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if files:
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print("Changed files:\n=========")
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print("\n".join(files))
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print("=========")
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f = Filters(files, args.ignore_path, args.alt_tags, args.testsuite_root,
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args.pull_request, args.platform, args.detailed_test_id, args.quarantine_list,
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args.testcase_roots_threshold)
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f.process()
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# remove dupes and filtered cases
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dup_free = []
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dup_free_set = set()
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logging.info(f'Total tests gathered: {len(f.all_tests)}')
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for ts in f.all_tests:
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if ts.get('status') == 'filtered':
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continue
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n = ts.get("name")
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a = ts.get("arch")
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p = ts.get("platform")
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if ts.get('status') == 'error':
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logging.info(f"Error found: {n} on {p} ({ts.get('reason')})")
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errors += 1
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if (n, a, p,) not in dup_free_set:
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dup_free.append(ts)
|
|
dup_free_set.add((n, a, p,))
|
|
|
|
logging.info(f'Total tests to be run: {len(dup_free)}')
|
|
with open(".testplan", "w") as tp:
|
|
total_tests = len(dup_free)
|
|
if total_tests and total_tests < args.tests_per_builder:
|
|
nodes = 1
|
|
else:
|
|
nodes = round(total_tests / args.tests_per_builder)
|
|
|
|
tp.write(f"TWISTER_TESTS={total_tests}\n")
|
|
tp.write(f"TWISTER_NODES={nodes}\n")
|
|
tp.write(f"TWISTER_FULL={f.full_twister}\n")
|
|
logging.info(f'Total nodes to launch: {nodes}')
|
|
|
|
header = ['test', 'arch', 'platform', 'status', 'extra_args', 'handler',
|
|
'handler_time', 'used_ram', 'used_rom']
|
|
|
|
# write plan
|
|
if dup_free:
|
|
data = {}
|
|
data['testsuites'] = dup_free
|
|
with open(args.output_file, 'w', newline='') as json_file:
|
|
json.dump(data, json_file, indent=4, separators=(',',':'))
|
|
|
|
sys.exit(errors)
|