1#!/usr/bin/env python3
2
3"""
4This script determines the given package's openbmc dependencies from its
5configure.ac file where it downloads, configures, builds, and installs each of
6these dependencies. Then the given package is configured, built, and installed
7prior to executing its unit tests.
8"""
9
10import argparse
11import json
12import multiprocessing
13import os
14import platform
15import re
16import shutil
17import subprocess
18import sys
19from subprocess import CalledProcessError, check_call
20from tempfile import TemporaryDirectory
21from urllib.parse import urljoin
22
23from git import Repo
24
25# interpreter is not used directly but this resolves dependency ordering
26# that would be broken if we didn't include it.
27from mesonbuild import interpreter  # noqa: F401
28from mesonbuild import coredata, optinterpreter
29from mesonbuild.mesonlib import OptionKey
30from mesonbuild.mesonlib import version_compare as meson_version_compare
31
32
33class DepTree:
34    """
35    Represents package dependency tree, where each node is a DepTree with a
36    name and DepTree children.
37    """
38
39    def __init__(self, name):
40        """
41        Create new DepTree.
42
43        Parameter descriptions:
44        name               Name of new tree node.
45        """
46        self.name = name
47        self.children = list()
48
49    def AddChild(self, name):
50        """
51        Add new child node to current node.
52
53        Parameter descriptions:
54        name               Name of new child
55        """
56        new_child = DepTree(name)
57        self.children.append(new_child)
58        return new_child
59
60    def AddChildNode(self, node):
61        """
62        Add existing child node to current node.
63
64        Parameter descriptions:
65        node               Tree node to add
66        """
67        self.children.append(node)
68
69    def RemoveChild(self, name):
70        """
71        Remove child node.
72
73        Parameter descriptions:
74        name               Name of child to remove
75        """
76        for child in self.children:
77            if child.name == name:
78                self.children.remove(child)
79                return
80
81    def GetNode(self, name):
82        """
83        Return node with matching name. Return None if not found.
84
85        Parameter descriptions:
86        name               Name of node to return
87        """
88        if self.name == name:
89            return self
90        for child in self.children:
91            node = child.GetNode(name)
92            if node:
93                return node
94        return None
95
96    def GetParentNode(self, name, parent_node=None):
97        """
98        Return parent of node with matching name. Return none if not found.
99
100        Parameter descriptions:
101        name               Name of node to get parent of
102        parent_node        Parent of current node
103        """
104        if self.name == name:
105            return parent_node
106        for child in self.children:
107            found_node = child.GetParentNode(name, self)
108            if found_node:
109                return found_node
110        return None
111
112    def GetPath(self, name, path=None):
113        """
114        Return list of node names from head to matching name.
115        Return None if not found.
116
117        Parameter descriptions:
118        name               Name of node
119        path               List of node names from head to current node
120        """
121        if not path:
122            path = []
123        if self.name == name:
124            path.append(self.name)
125            return path
126        for child in self.children:
127            match = child.GetPath(name, path + [self.name])
128            if match:
129                return match
130        return None
131
132    def GetPathRegex(self, name, regex_str, path=None):
133        """
134        Return list of node paths that end in name, or match regex_str.
135        Return empty list if not found.
136
137        Parameter descriptions:
138        name               Name of node to search for
139        regex_str          Regex string to match node names
140        path               Path of node names from head to current node
141        """
142        new_paths = []
143        if not path:
144            path = []
145        match = re.match(regex_str, self.name)
146        if (self.name == name) or (match):
147            new_paths.append(path + [self.name])
148        for child in self.children:
149            return_paths = None
150            full_path = path + [self.name]
151            return_paths = child.GetPathRegex(name, regex_str, full_path)
152            for i in return_paths:
153                new_paths.append(i)
154        return new_paths
155
156    def MoveNode(self, from_name, to_name):
157        """
158        Mode existing from_name node to become child of to_name node.
159
160        Parameter descriptions:
161        from_name          Name of node to make a child of to_name
162        to_name            Name of node to make parent of from_name
163        """
164        parent_from_node = self.GetParentNode(from_name)
165        from_node = self.GetNode(from_name)
166        parent_from_node.RemoveChild(from_name)
167        to_node = self.GetNode(to_name)
168        to_node.AddChildNode(from_node)
169
170    def ReorderDeps(self, name, regex_str):
171        """
172        Reorder dependency tree.  If tree contains nodes with names that
173        match 'name' and 'regex_str', move 'regex_str' nodes that are
174        to the right of 'name' node, so that they become children of the
175        'name' node.
176
177        Parameter descriptions:
178        name               Name of node to look for
179        regex_str          Regex string to match names to
180        """
181        name_path = self.GetPath(name)
182        if not name_path:
183            return
184        paths = self.GetPathRegex(name, regex_str)
185        is_name_in_paths = False
186        name_index = 0
187        for i in range(len(paths)):
188            path = paths[i]
189            if path[-1] == name:
190                is_name_in_paths = True
191                name_index = i
192                break
193        if not is_name_in_paths:
194            return
195        for i in range(name_index + 1, len(paths)):
196            path = paths[i]
197            if name in path:
198                continue
199            from_name = path[-1]
200            self.MoveNode(from_name, name)
201
202    def GetInstallList(self):
203        """
204        Return post-order list of node names.
205
206        Parameter descriptions:
207        """
208        install_list = []
209        for child in self.children:
210            child_install_list = child.GetInstallList()
211            install_list.extend(child_install_list)
212        install_list.append(self.name)
213        return install_list
214
215    def PrintTree(self, level=0):
216        """
217        Print pre-order node names with indentation denoting node depth level.
218
219        Parameter descriptions:
220        level              Current depth level
221        """
222        INDENT_PER_LEVEL = 4
223        print(" " * (level * INDENT_PER_LEVEL) + self.name)
224        for child in self.children:
225            child.PrintTree(level + 1)
226
227
228def check_call_cmd(*cmd, **kwargs):
229    """
230    Verbose prints the directory location the given command is called from and
231    the command, then executes the command using check_call.
232
233    Parameter descriptions:
234    dir                 Directory location command is to be called from
235    cmd                 List of parameters constructing the complete command
236    """
237    printline(os.getcwd(), ">", " ".join(cmd))
238    check_call(cmd, **kwargs)
239
240
241def clone_pkg(pkg, branch):
242    """
243    Clone the given openbmc package's git repository from gerrit into
244    the WORKSPACE location
245
246    Parameter descriptions:
247    pkg                 Name of the package to clone
248    branch              Branch to clone from pkg
249    """
250    pkg_dir = os.path.join(WORKSPACE, pkg)
251    if os.path.exists(os.path.join(pkg_dir, ".git")):
252        return pkg_dir
253    pkg_repo = urljoin("https://gerrit.openbmc.org/openbmc/", pkg)
254    os.mkdir(pkg_dir)
255    printline(pkg_dir, "> git clone", pkg_repo, branch, "./")
256    try:
257        # first try the branch
258        clone = Repo.clone_from(pkg_repo, pkg_dir, branch=branch)
259        repo_inst = clone.working_dir
260    except Exception:
261        printline("Input branch not found, default to master")
262        clone = Repo.clone_from(pkg_repo, pkg_dir, branch="master")
263        repo_inst = clone.working_dir
264    return repo_inst
265
266
267def make_target_exists(target):
268    """
269    Runs a check against the makefile in the current directory to determine
270    if the target exists so that it can be built.
271
272    Parameter descriptions:
273    target              The make target we are checking
274    """
275    try:
276        cmd = ["make", "-n", target]
277        with open(os.devnull, "w") as devnull:
278            check_call(cmd, stdout=devnull, stderr=devnull)
279        return True
280    except CalledProcessError:
281        return False
282
283
284make_parallel = [
285    "make",
286    # Run enough jobs to saturate all the cpus
287    "-j",
288    str(multiprocessing.cpu_count()),
289    # Don't start more jobs if the load avg is too high
290    "-l",
291    str(multiprocessing.cpu_count()),
292    # Synchronize the output so logs aren't intermixed in stdout / stderr
293    "-O",
294]
295
296
297def build_and_install(name, build_for_testing=False):
298    """
299    Builds and installs the package in the environment. Optionally
300    builds the examples and test cases for package.
301
302    Parameter description:
303    name                The name of the package we are building
304    build_for_testing   Enable options related to testing on the package?
305    """
306    os.chdir(os.path.join(WORKSPACE, name))
307
308    # Refresh dynamic linker run time bindings for dependencies
309    check_call_cmd("sudo", "-n", "--", "ldconfig")
310
311    pkg = Package()
312    if build_for_testing:
313        pkg.test()
314    else:
315        pkg.install()
316
317
318def build_dep_tree(name, pkgdir, dep_added, head, branch, dep_tree=None):
319    """
320    For each package (name), starting with the package to be unit tested,
321    extract its dependencies. For each package dependency defined, recursively
322    apply the same strategy
323
324    Parameter descriptions:
325    name                Name of the package
326    pkgdir              Directory where package source is located
327    dep_added           Current dict of dependencies and added status
328    head                Head node of the dependency tree
329    branch              Branch to clone from pkg
330    dep_tree            Current dependency tree node
331    """
332    if not dep_tree:
333        dep_tree = head
334
335    with open("/tmp/depcache", "r") as depcache:
336        cache = depcache.readline()
337
338    # Read out pkg dependencies
339    pkg = Package(name, pkgdir)
340
341    build = pkg.build_system()
342    if not build:
343        raise Exception(f"Unable to find build system for {name}.")
344
345    for dep in set(build.dependencies()):
346        if dep in cache:
347            continue
348        # Dependency package not already known
349        if dep_added.get(dep) is None:
350            print(f"Adding {dep} dependency to {name}.")
351            # Dependency package not added
352            new_child = dep_tree.AddChild(dep)
353            dep_added[dep] = False
354            dep_pkgdir = clone_pkg(dep, branch)
355            # Determine this dependency package's
356            # dependencies and add them before
357            # returning to add this package
358            dep_added = build_dep_tree(
359                dep, dep_pkgdir, dep_added, head, branch, new_child
360            )
361        else:
362            # Dependency package known and added
363            if dep_added[dep]:
364                continue
365            else:
366                # Cyclic dependency failure
367                raise Exception("Cyclic dependencies found in " + name)
368
369    if not dep_added[name]:
370        dep_added[name] = True
371
372    return dep_added
373
374
375def run_cppcheck():
376    if not os.path.exists(os.path.join("build", "compile_commands.json")):
377        return None
378
379    with TemporaryDirectory() as cpp_dir:
380        # http://cppcheck.sourceforge.net/manual.pdf
381        try:
382            check_call_cmd(
383                "cppcheck",
384                "-j",
385                str(multiprocessing.cpu_count()),
386                "--enable=style,performance,portability,missingInclude",
387                "--inline-suppr",
388                "--suppress=useStlAlgorithm",
389                "--suppress=unusedStructMember",
390                "--suppress=postfixOperator",
391                "--suppress=unreadVariable",
392                "--suppress=knownConditionTrueFalse",
393                "--library=googletest",
394                "--project=build/compile_commands.json",
395                f"--cppcheck-build-dir={cpp_dir}",
396            )
397        except subprocess.CalledProcessError:
398            print("cppcheck found errors")
399
400
401def is_valgrind_safe():
402    """
403    Returns whether it is safe to run valgrind on our platform
404    """
405    src = "unit-test-vg.c"
406    exe = "./unit-test-vg"
407    with open(src, "w") as h:
408        h.write("#include <errno.h>\n")
409        h.write("#include <stdio.h>\n")
410        h.write("#include <stdlib.h>\n")
411        h.write("#include <string.h>\n")
412        h.write("int main() {\n")
413        h.write("char *heap_str = malloc(16);\n")
414        h.write('strcpy(heap_str, "RandString");\n')
415        h.write('int res = strcmp("RandString", heap_str);\n')
416        h.write("free(heap_str);\n")
417        h.write("char errstr[64];\n")
418        h.write("strerror_r(EINVAL, errstr, sizeof(errstr));\n")
419        h.write('printf("%s\\n", errstr);\n')
420        h.write("return res;\n")
421        h.write("}\n")
422    try:
423        with open(os.devnull, "w") as devnull:
424            check_call(
425                ["gcc", "-O2", "-o", exe, src], stdout=devnull, stderr=devnull
426            )
427            check_call(
428                ["valgrind", "--error-exitcode=99", exe],
429                stdout=devnull,
430                stderr=devnull,
431            )
432        return True
433    except Exception:
434        sys.stderr.write("###### Platform is not valgrind safe ######\n")
435        return False
436    finally:
437        os.remove(src)
438        os.remove(exe)
439
440
441def is_sanitize_safe():
442    """
443    Returns whether it is safe to run sanitizers on our platform
444    """
445    src = "unit-test-sanitize.c"
446    exe = "./unit-test-sanitize"
447    with open(src, "w") as h:
448        h.write("int main() { return 0; }\n")
449    try:
450        with open(os.devnull, "w") as devnull:
451            check_call(
452                [
453                    "gcc",
454                    "-O2",
455                    "-fsanitize=address",
456                    "-fsanitize=undefined",
457                    "-o",
458                    exe,
459                    src,
460                ],
461                stdout=devnull,
462                stderr=devnull,
463            )
464            check_call([exe], stdout=devnull, stderr=devnull)
465
466        # TODO - Sanitizer not working on ppc64le
467        # https://github.com/openbmc/openbmc-build-scripts/issues/31
468        if platform.processor() == "ppc64le":
469            sys.stderr.write("###### ppc64le is not sanitize safe ######\n")
470            return False
471        else:
472            return True
473    except Exception:
474        sys.stderr.write("###### Platform is not sanitize safe ######\n")
475        return False
476    finally:
477        os.remove(src)
478        os.remove(exe)
479
480
481def maybe_make_valgrind():
482    """
483    Potentially runs the unit tests through valgrind for the package
484    via `make check-valgrind`. If the package does not have valgrind testing
485    then it just skips over this.
486    """
487    # Valgrind testing is currently broken by an aggressive strcmp optimization
488    # that is inlined into optimized code for POWER by gcc 7+. Until we find
489    # a workaround, just don't run valgrind tests on POWER.
490    # https://github.com/openbmc/openbmc/issues/3315
491    if not is_valgrind_safe():
492        sys.stderr.write("###### Skipping valgrind ######\n")
493        return
494    if not make_target_exists("check-valgrind"):
495        return
496
497    try:
498        cmd = make_parallel + ["check-valgrind"]
499        check_call_cmd(*cmd)
500    except CalledProcessError:
501        for root, _, files in os.walk(os.getcwd()):
502            for f in files:
503                if re.search("test-suite-[a-z]+.log", f) is None:
504                    continue
505                check_call_cmd("cat", os.path.join(root, f))
506        raise Exception("Valgrind tests failed")
507
508
509def maybe_make_coverage():
510    """
511    Potentially runs the unit tests through code coverage for the package
512    via `make check-code-coverage`. If the package does not have code coverage
513    testing then it just skips over this.
514    """
515    if not make_target_exists("check-code-coverage"):
516        return
517
518    # Actually run code coverage
519    try:
520        cmd = make_parallel + ["check-code-coverage"]
521        check_call_cmd(*cmd)
522    except CalledProcessError:
523        raise Exception("Code coverage failed")
524
525
526class BuildSystem(object):
527    """
528    Build systems generally provide the means to configure, build, install and
529    test software. The BuildSystem class defines a set of interfaces on top of
530    which Autotools, Meson, CMake and possibly other build system drivers can
531    be implemented, separating out the phases to control whether a package
532    should merely be installed or also tested and analyzed.
533    """
534
535    def __init__(self, package, path):
536        """Initialise the driver with properties independent of the build
537        system
538
539        Keyword arguments:
540        package: The name of the package. Derived from the path if None
541        path: The path to the package. Set to the working directory if None
542        """
543        self.path = "." if not path else path
544        realpath = os.path.realpath(self.path)
545        self.package = package if package else os.path.basename(realpath)
546        self.build_for_testing = False
547
548    def probe(self):
549        """Test if the build system driver can be applied to the package
550
551        Return True if the driver can drive the package's build system,
552        otherwise False.
553
554        Generally probe() is implemented by testing for the presence of the
555        build system's configuration file(s).
556        """
557        raise NotImplementedError
558
559    def dependencies(self):
560        """Provide the package's dependencies
561
562        Returns a list of dependencies. If no dependencies are required then an
563        empty list must be returned.
564
565        Generally dependencies() is implemented by analysing and extracting the
566        data from the build system configuration.
567        """
568        raise NotImplementedError
569
570    def configure(self, build_for_testing):
571        """Configure the source ready for building
572
573        Should raise an exception if configuration failed.
574
575        Keyword arguments:
576        build_for_testing: Mark the package as being built for testing rather
577                           than for installation as a dependency for the
578                           package under test. Setting to True generally
579                           implies that the package will be configured to build
580                           with debug information, at a low level of
581                           optimisation and possibly with sanitizers enabled.
582
583        Generally configure() is implemented by invoking the build system
584        tooling to generate Makefiles or equivalent.
585        """
586        raise NotImplementedError
587
588    def build(self):
589        """Build the software ready for installation and/or testing
590
591        Should raise an exception if the build fails
592
593        Generally build() is implemented by invoking `make` or `ninja`.
594        """
595        raise NotImplementedError
596
597    def install(self):
598        """Install the software ready for use
599
600        Should raise an exception if installation fails
601
602        Like build(), install() is generally implemented by invoking `make` or
603        `ninja`.
604        """
605        raise NotImplementedError
606
607    def test(self):
608        """Build and run the test suite associated with the package
609
610        Should raise an exception if the build or testing fails.
611
612        Like install(), test() is generally implemented by invoking `make` or
613        `ninja`.
614        """
615        raise NotImplementedError
616
617    def analyze(self):
618        """Run any supported analysis tools over the codebase
619
620        Should raise an exception if analysis fails.
621
622        Some analysis tools such as scan-build need injection into the build
623        system. analyze() provides the necessary hook to implement such
624        behaviour. Analyzers independent of the build system can also be
625        specified here but at the cost of possible duplication of code between
626        the build system driver implementations.
627        """
628        raise NotImplementedError
629
630
631class Autotools(BuildSystem):
632    def __init__(self, package=None, path=None):
633        super(Autotools, self).__init__(package, path)
634
635    def probe(self):
636        return os.path.isfile(os.path.join(self.path, "configure.ac"))
637
638    def dependencies(self):
639        configure_ac = os.path.join(self.path, "configure.ac")
640
641        contents = ""
642        # Prepend some special function overrides so we can parse out
643        # dependencies
644        for macro in DEPENDENCIES.keys():
645            contents += (
646                "m4_define(["
647                + macro
648                + "], ["
649                + macro
650                + "_START$"
651                + str(DEPENDENCIES_OFFSET[macro] + 1)
652                + macro
653                + "_END])\n"
654            )
655        with open(configure_ac, "rt") as f:
656            contents += f.read()
657
658        autoconf_cmdline = ["autoconf", "-Wno-undefined", "-"]
659        autoconf_process = subprocess.Popen(
660            autoconf_cmdline,
661            stdin=subprocess.PIPE,
662            stdout=subprocess.PIPE,
663            stderr=subprocess.PIPE,
664        )
665        document = contents.encode("utf-8")
666        (stdout, stderr) = autoconf_process.communicate(input=document)
667        if not stdout:
668            print(stderr)
669            raise Exception("Failed to run autoconf for parsing dependencies")
670
671        # Parse out all of the dependency text
672        matches = []
673        for macro in DEPENDENCIES.keys():
674            pattern = "(" + macro + ")_START(.*?)" + macro + "_END"
675            for match in re.compile(pattern).finditer(stdout.decode("utf-8")):
676                matches.append((match.group(1), match.group(2)))
677
678        # Look up dependencies from the text
679        found_deps = []
680        for macro, deptext in matches:
681            for potential_dep in deptext.split(" "):
682                for known_dep in DEPENDENCIES[macro].keys():
683                    if potential_dep.startswith(known_dep):
684                        found_deps.append(DEPENDENCIES[macro][known_dep])
685
686        return found_deps
687
688    def _configure_feature(self, flag, enabled):
689        """
690        Returns an configure flag as a string
691
692        Parameters:
693        flag                The name of the flag
694        enabled             Whether the flag is enabled or disabled
695        """
696        return "--" + ("enable" if enabled else "disable") + "-" + flag
697
698    def configure(self, build_for_testing):
699        self.build_for_testing = build_for_testing
700        conf_flags = [
701            self._configure_feature("silent-rules", False),
702            self._configure_feature("examples", build_for_testing),
703            self._configure_feature("tests", build_for_testing),
704            self._configure_feature("itests", INTEGRATION_TEST),
705        ]
706        conf_flags.extend(
707            [
708                self._configure_feature("code-coverage", False),
709                self._configure_feature("valgrind", build_for_testing),
710            ]
711        )
712        # Add any necessary configure flags for package
713        if CONFIGURE_FLAGS.get(self.package) is not None:
714            conf_flags.extend(CONFIGURE_FLAGS.get(self.package))
715        for bootstrap in ["bootstrap.sh", "bootstrap", "autogen.sh"]:
716            if os.path.exists(bootstrap):
717                check_call_cmd("./" + bootstrap)
718                break
719        check_call_cmd("./configure", *conf_flags)
720
721    def build(self):
722        check_call_cmd(*make_parallel)
723
724    def install(self):
725        check_call_cmd("sudo", "-n", "--", *(make_parallel + ["install"]))
726
727    def test(self):
728        try:
729            cmd = make_parallel + ["check"]
730            for i in range(0, args.repeat):
731                check_call_cmd(*cmd)
732
733            maybe_make_valgrind()
734            maybe_make_coverage()
735        except CalledProcessError:
736            for root, _, files in os.walk(os.getcwd()):
737                if "test-suite.log" not in files:
738                    continue
739                check_call_cmd("cat", os.path.join(root, "test-suite.log"))
740            raise Exception("Unit tests failed")
741
742    def analyze(self):
743        run_cppcheck()
744
745
746class CMake(BuildSystem):
747    def __init__(self, package=None, path=None):
748        super(CMake, self).__init__(package, path)
749
750    def probe(self):
751        return os.path.isfile(os.path.join(self.path, "CMakeLists.txt"))
752
753    def dependencies(self):
754        return []
755
756    def configure(self, build_for_testing):
757        self.build_for_testing = build_for_testing
758        if INTEGRATION_TEST:
759            check_call_cmd(
760                "cmake",
761                "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON",
762                "-DCMAKE_CXX_FLAGS='-DBOOST_USE_VALGRIND'",
763                "-DITESTS=ON",
764                ".",
765            )
766        else:
767            check_call_cmd(
768                "cmake",
769                "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON",
770                "-DCMAKE_CXX_FLAGS='-DBOOST_USE_VALGRIND'",
771                ".",
772            )
773
774    def build(self):
775        check_call_cmd(
776            "cmake",
777            "--build",
778            ".",
779            "--",
780            "-j",
781            str(multiprocessing.cpu_count()),
782        )
783
784    def install(self):
785        check_call_cmd("sudo", "cmake", "--install", ".")
786
787    def test(self):
788        if make_target_exists("test"):
789            check_call_cmd("ctest", ".")
790
791    def analyze(self):
792        if os.path.isfile(".clang-tidy"):
793            with TemporaryDirectory(prefix="build", dir=".") as build_dir:
794                # clang-tidy needs to run on a clang-specific build
795                check_call_cmd(
796                    "cmake",
797                    "-DCMAKE_C_COMPILER=clang",
798                    "-DCMAKE_CXX_COMPILER=clang++",
799                    "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON",
800                    "-H.",
801                    "-B" + build_dir,
802                )
803
804                check_call_cmd(
805                    "run-clang-tidy", "-header-filter=.*", "-p", build_dir
806                )
807
808        maybe_make_valgrind()
809        maybe_make_coverage()
810        run_cppcheck()
811
812
813class Meson(BuildSystem):
814    @staticmethod
815    def _project_name(path):
816        doc = subprocess.check_output(
817            ["meson", "introspect", "--projectinfo", path],
818            stderr=subprocess.STDOUT,
819        ).decode("utf-8")
820        return json.loads(doc)["descriptive_name"]
821
822    def __init__(self, package=None, path=None):
823        super(Meson, self).__init__(package, path)
824
825    def probe(self):
826        return os.path.isfile(os.path.join(self.path, "meson.build"))
827
828    def dependencies(self):
829        meson_build = os.path.join(self.path, "meson.build")
830        if not os.path.exists(meson_build):
831            return []
832
833        found_deps = []
834        for root, dirs, files in os.walk(self.path):
835            if "meson.build" not in files:
836                continue
837            with open(os.path.join(root, "meson.build"), "rt") as f:
838                build_contents = f.read()
839            pattern = r"dependency\('([^']*)'.*?\),?\n"
840            for match in re.finditer(pattern, build_contents):
841                group = match.group(1)
842                maybe_dep = DEPENDENCIES["PKG_CHECK_MODULES"].get(group)
843                if maybe_dep is not None:
844                    found_deps.append(maybe_dep)
845
846        return found_deps
847
848    def _parse_options(self, options_file):
849        """
850        Returns a set of options defined in the provides meson_options.txt file
851
852        Parameters:
853        options_file        The file containing options
854        """
855        oi = optinterpreter.OptionInterpreter("")
856        oi.process(options_file)
857        return oi.options
858
859    def _configure_boolean(self, val):
860        """
861        Returns the meson flag which signifies the value
862
863        True is true which requires the boolean.
864        False is false which disables the boolean.
865
866        Parameters:
867        val                 The value being converted
868        """
869        if val is True:
870            return "true"
871        elif val is False:
872            return "false"
873        else:
874            raise Exception("Bad meson boolean value")
875
876    def _configure_feature(self, val):
877        """
878        Returns the meson flag which signifies the value
879
880        True is enabled which requires the feature.
881        False is disabled which disables the feature.
882        None is auto which autodetects the feature.
883
884        Parameters:
885        val                 The value being converted
886        """
887        if val is True:
888            return "enabled"
889        elif val is False:
890            return "disabled"
891        elif val is None:
892            return "auto"
893        else:
894            raise Exception("Bad meson feature value")
895
896    def _configure_option(self, opts, key, val):
897        """
898        Returns the meson flag which signifies the value
899        based on the type of the opt
900
901        Parameters:
902        opt                 The meson option which we are setting
903        val                 The value being converted
904        """
905        if isinstance(opts[key], coredata.UserBooleanOption):
906            str_val = self._configure_boolean(val)
907        elif isinstance(opts[key], coredata.UserFeatureOption):
908            str_val = self._configure_feature(val)
909        else:
910            raise Exception("Unknown meson option type")
911        return "-D{}={}".format(key, str_val)
912
913    def configure(self, build_for_testing):
914        self.build_for_testing = build_for_testing
915        meson_options = {}
916        if os.path.exists("meson.options"):
917            meson_options = self._parse_options("meson.options")
918        elif os.path.exists("meson_options.txt"):
919            meson_options = self._parse_options("meson_options.txt")
920        meson_flags = [
921            "-Db_colorout=never",
922            "-Dwerror=true",
923            "-Dwarning_level=3",
924            "-Dcpp_args='-DBOOST_USE_VALGRIND'",
925        ]
926        if build_for_testing:
927            # -Ddebug=true -Doptimization=g is helpful for abi-dumper but isn't a combination that
928            # is supported by meson's build types. Configure it manually.
929            meson_flags.append("-Ddebug=true")
930            meson_flags.append("-Doptimization=g")
931        else:
932            meson_flags.append("--buildtype=debugoptimized")
933        if OptionKey("tests") in meson_options:
934            meson_flags.append(
935                self._configure_option(
936                    meson_options, OptionKey("tests"), build_for_testing
937                )
938            )
939        if OptionKey("examples") in meson_options:
940            meson_flags.append(
941                self._configure_option(
942                    meson_options, OptionKey("examples"), build_for_testing
943                )
944            )
945        if OptionKey("itests") in meson_options:
946            meson_flags.append(
947                self._configure_option(
948                    meson_options, OptionKey("itests"), INTEGRATION_TEST
949                )
950            )
951        if MESON_FLAGS.get(self.package) is not None:
952            meson_flags.extend(MESON_FLAGS.get(self.package))
953        try:
954            check_call_cmd(
955                "meson", "setup", "--reconfigure", "build", *meson_flags
956            )
957        except Exception:
958            shutil.rmtree("build", ignore_errors=True)
959            check_call_cmd("meson", "setup", "build", *meson_flags)
960
961        self.package = Meson._project_name("build")
962
963    def build(self):
964        check_call_cmd("ninja", "-C", "build")
965
966    def install(self):
967        check_call_cmd("sudo", "-n", "--", "ninja", "-C", "build", "install")
968
969    def test(self):
970        # It is useful to check various settings of the meson.build file
971        # for compatibility, such as meson_version checks.  We shouldn't
972        # do this in the configure path though because it affects subprojects
973        # and dependencies as well, but we only want this applied to the
974        # project-under-test (otherwise an upstream dependency could fail
975        # this check without our control).
976        self._extra_meson_checks()
977
978        try:
979            test_args = ("--repeat", str(args.repeat), "-C", "build")
980            check_call_cmd("meson", "test", "--print-errorlogs", *test_args)
981
982        except CalledProcessError:
983            raise Exception("Unit tests failed")
984
985    def _setup_exists(self, setup):
986        """
987        Returns whether the meson build supports the named test setup.
988
989        Parameter descriptions:
990        setup              The setup target to check
991        """
992        try:
993            with open(os.devnull, "w"):
994                output = subprocess.check_output(
995                    [
996                        "meson",
997                        "test",
998                        "-C",
999                        "build",
1000                        "--setup",
1001                        "{}:{}".format(self.package, setup),
1002                        "__likely_not_a_test__",
1003                    ],
1004                    stderr=subprocess.STDOUT,
1005                )
1006        except CalledProcessError as e:
1007            output = e.output
1008        output = output.decode("utf-8")
1009        return not re.search("Unknown test setup '[^']+'[.]", output)
1010
1011    def _maybe_valgrind(self):
1012        """
1013        Potentially runs the unit tests through valgrind for the package
1014        via `meson test`. The package can specify custom valgrind
1015        configurations by utilizing add_test_setup() in a meson.build
1016        """
1017        if not is_valgrind_safe():
1018            sys.stderr.write("###### Skipping valgrind ######\n")
1019            return
1020        try:
1021            if self._setup_exists("valgrind"):
1022                check_call_cmd(
1023                    "meson",
1024                    "test",
1025                    "-t",
1026                    "10",
1027                    "-C",
1028                    "build",
1029                    "--print-errorlogs",
1030                    "--setup",
1031                    "{}:valgrind".format(self.package),
1032                )
1033            else:
1034                check_call_cmd(
1035                    "meson",
1036                    "test",
1037                    "-t",
1038                    "10",
1039                    "-C",
1040                    "build",
1041                    "--print-errorlogs",
1042                    "--wrapper",
1043                    "valgrind --error-exitcode=1",
1044                )
1045        except CalledProcessError:
1046            raise Exception("Valgrind tests failed")
1047
1048    def analyze(self):
1049        self._maybe_valgrind()
1050
1051        # Run clang-tidy only if the project has a configuration
1052        if os.path.isfile(".clang-tidy"):
1053            os.environ["CXX"] = "clang++"
1054            with TemporaryDirectory(prefix="build", dir=".") as build_dir:
1055                check_call_cmd("meson", "setup", build_dir)
1056                if not os.path.isfile(".openbmc-no-clang"):
1057                    check_call_cmd("meson", "compile", "-C", build_dir)
1058                try:
1059                    check_call_cmd("ninja", "-C", build_dir, "clang-tidy-fix")
1060                except subprocess.CalledProcessError:
1061                    check_call_cmd(
1062                        "git", "-C", CODE_SCAN_DIR, "--no-pager", "diff"
1063                    )
1064                    raise
1065        # Run the basic clang static analyzer otherwise
1066        else:
1067            check_call_cmd("ninja", "-C", "build", "scan-build")
1068
1069        # Run tests through sanitizers
1070        # b_lundef is needed if clang++ is CXX since it resolves the
1071        # asan symbols at runtime only. We don't want to set it earlier
1072        # in the build process to ensure we don't have undefined
1073        # runtime code.
1074        if is_sanitize_safe():
1075            check_call_cmd(
1076                "meson",
1077                "configure",
1078                "build",
1079                "-Db_sanitize=address,undefined",
1080                "-Db_lundef=false",
1081            )
1082            check_call_cmd(
1083                "meson",
1084                "test",
1085                "-C",
1086                "build",
1087                "--print-errorlogs",
1088                "--logbase",
1089                "testlog-ubasan",
1090                env=os.environ | {"UBSAN_OPTIONS": "halt_on_error=1"},
1091            )
1092            # TODO: Fix memory sanitizer
1093            # check_call_cmd('meson', 'configure', 'build',
1094            #                '-Db_sanitize=memory')
1095            # check_call_cmd('meson', 'test', '-C', 'build'
1096            #                '--logbase', 'testlog-msan')
1097            check_call_cmd("meson", "configure", "build", "-Db_sanitize=none")
1098        else:
1099            sys.stderr.write("###### Skipping sanitizers ######\n")
1100
1101        # Run coverage checks
1102        check_call_cmd("meson", "configure", "build", "-Db_coverage=true")
1103        self.test()
1104        # Only build coverage HTML if coverage files were produced
1105        for root, dirs, files in os.walk("build"):
1106            if any([f.endswith(".gcda") for f in files]):
1107                check_call_cmd("ninja", "-C", "build", "coverage-html")
1108                break
1109        check_call_cmd("meson", "configure", "build", "-Db_coverage=false")
1110        run_cppcheck()
1111
1112    def _extra_meson_checks(self):
1113        with open(os.path.join(self.path, "meson.build"), "rt") as f:
1114            build_contents = f.read()
1115
1116        # Find project's specified meson_version.
1117        meson_version = None
1118        pattern = r"meson_version:[^']*'([^']*)'"
1119        for match in re.finditer(pattern, build_contents):
1120            group = match.group(1)
1121            meson_version = group
1122
1123        # C++20 requires at least Meson 0.57 but Meson itself doesn't
1124        # identify this.  Add to our unit-test checks so that we don't
1125        # get a meson.build missing this.
1126        pattern = r"'cpp_std=c\+\+20'"
1127        for match in re.finditer(pattern, build_contents):
1128            if not meson_version or not meson_version_compare(
1129                meson_version, ">=0.57"
1130            ):
1131                raise Exception(
1132                    "C++20 support requires specifying in meson.build: "
1133                    + "meson_version: '>=0.57'"
1134                )
1135
1136        # C++23 requires at least Meson 1.1.1 but Meson itself doesn't
1137        # identify this.  Add to our unit-test checks so that we don't
1138        # get a meson.build missing this.
1139        pattern = r"'cpp_std=c\+\+23'"
1140        for match in re.finditer(pattern, build_contents):
1141            if not meson_version or not meson_version_compare(
1142                meson_version, ">=1.1.1"
1143            ):
1144                raise Exception(
1145                    "C++23 support requires specifying in meson.build: "
1146                    + "meson_version: '>=1.1.1'"
1147                )
1148
1149        if "get_variable(" in build_contents:
1150            if not meson_version or not meson_version_compare(
1151                meson_version, ">=0.58"
1152            ):
1153                raise Exception(
1154                    "dep.get_variable() with positional argument requires "
1155                    + "meson_Version: '>=0.58'"
1156                )
1157
1158
1159class Package(object):
1160    def __init__(self, name=None, path=None):
1161        self.supported = [Meson, Autotools, CMake]
1162        self.name = name
1163        self.path = path
1164        self.test_only = False
1165
1166    def build_systems(self):
1167        instances = (system(self.name, self.path) for system in self.supported)
1168        return (instance for instance in instances if instance.probe())
1169
1170    def build_system(self, preferred=None):
1171        systems = list(self.build_systems())
1172
1173        if not systems:
1174            return None
1175
1176        if preferred:
1177            return {type(system): system for system in systems}[preferred]
1178
1179        return next(iter(systems))
1180
1181    def install(self, system=None):
1182        if not system:
1183            system = self.build_system()
1184
1185        system.configure(False)
1186        system.build()
1187        system.install()
1188
1189    def _test_one(self, system):
1190        system.configure(True)
1191        system.build()
1192        system.install()
1193        system.test()
1194        if not TEST_ONLY:
1195            system.analyze()
1196
1197    def test(self):
1198        for system in self.build_systems():
1199            self._test_one(system)
1200
1201
1202def find_file(filename, basedir):
1203    """
1204    Finds all occurrences of a file (or list of files) in the base
1205    directory and passes them back with their relative paths.
1206
1207    Parameter descriptions:
1208    filename              The name of the file (or list of files) to
1209                          find
1210    basedir               The base directory search in
1211    """
1212
1213    if not isinstance(filename, list):
1214        filename = [filename]
1215
1216    filepaths = []
1217    for root, dirs, files in os.walk(basedir):
1218        if os.path.split(root)[-1] == "subprojects":
1219            for f in files:
1220                subproject = ".".join(f.split(".")[0:-1])
1221                if f.endswith(".wrap") and subproject in dirs:
1222                    # don't find files in meson subprojects with wraps
1223                    dirs.remove(subproject)
1224        for f in filename:
1225            if f in files:
1226                filepaths.append(os.path.join(root, f))
1227    return filepaths
1228
1229
1230if __name__ == "__main__":
1231    # CONFIGURE_FLAGS = [GIT REPO]:[CONFIGURE FLAGS]
1232    CONFIGURE_FLAGS = {
1233        "phosphor-logging": [
1234            "--enable-metadata-processing",
1235            "--enable-openpower-pel-extension",
1236            "YAML_DIR=/usr/local/share/phosphor-dbus-yaml/yaml",
1237        ]
1238    }
1239
1240    # MESON_FLAGS = [GIT REPO]:[MESON FLAGS]
1241    MESON_FLAGS = {
1242        "phosphor-dbus-interfaces": [
1243            "-Ddata_com_ibm=true",
1244            "-Ddata_org_open_power=true",
1245        ],
1246        "phosphor-logging": ["-Dopenpower-pel-extension=enabled"],
1247    }
1248
1249    # DEPENDENCIES = [MACRO]:[library/header]:[GIT REPO]
1250    DEPENDENCIES = {
1251        "AC_CHECK_LIB": {"mapper": "phosphor-objmgr"},
1252        "AC_CHECK_HEADER": {
1253            "host-ipmid": "phosphor-host-ipmid",
1254            "blobs-ipmid": "phosphor-ipmi-blobs",
1255            "sdbusplus": "sdbusplus",
1256            "sdeventplus": "sdeventplus",
1257            "stdplus": "stdplus",
1258            "gpioplus": "gpioplus",
1259            "phosphor-logging/log.hpp": "phosphor-logging",
1260        },
1261        "AC_PATH_PROG": {"sdbus++": "sdbusplus"},
1262        "PKG_CHECK_MODULES": {
1263            "phosphor-dbus-interfaces": "phosphor-dbus-interfaces",
1264            "libipmid": "phosphor-host-ipmid",
1265            "libipmid-host": "phosphor-host-ipmid",
1266            "sdbusplus": "sdbusplus",
1267            "sdeventplus": "sdeventplus",
1268            "stdplus": "stdplus",
1269            "gpioplus": "gpioplus",
1270            "phosphor-logging": "phosphor-logging",
1271            "phosphor-snmp": "phosphor-snmp",
1272            "ipmiblob": "ipmi-blob-tool",
1273            "hei": "openpower-libhei",
1274            "phosphor-ipmi-blobs": "phosphor-ipmi-blobs",
1275            "libcr51sign": "google-misc",
1276        },
1277    }
1278
1279    # Offset into array of macro parameters MACRO(0, 1, ...N)
1280    DEPENDENCIES_OFFSET = {
1281        "AC_CHECK_LIB": 0,
1282        "AC_CHECK_HEADER": 0,
1283        "AC_PATH_PROG": 1,
1284        "PKG_CHECK_MODULES": 1,
1285    }
1286
1287    # DEPENDENCIES_REGEX = [GIT REPO]:[REGEX STRING]
1288    DEPENDENCIES_REGEX = {"phosphor-logging": r"\S+-dbus-interfaces$"}
1289
1290    # Set command line arguments
1291    parser = argparse.ArgumentParser()
1292    parser.add_argument(
1293        "-w",
1294        "--workspace",
1295        dest="WORKSPACE",
1296        required=True,
1297        help="Workspace directory location(i.e. /home)",
1298    )
1299    parser.add_argument(
1300        "-p",
1301        "--package",
1302        dest="PACKAGE",
1303        required=True,
1304        help="OpenBMC package to be unit tested",
1305    )
1306    parser.add_argument(
1307        "-t",
1308        "--test-only",
1309        dest="TEST_ONLY",
1310        action="store_true",
1311        required=False,
1312        default=False,
1313        help="Only run test cases, no other validation",
1314    )
1315    arg_inttests = parser.add_mutually_exclusive_group()
1316    arg_inttests.add_argument(
1317        "--integration-tests",
1318        dest="INTEGRATION_TEST",
1319        action="store_true",
1320        required=False,
1321        default=True,
1322        help="Enable integration tests [default].",
1323    )
1324    arg_inttests.add_argument(
1325        "--no-integration-tests",
1326        dest="INTEGRATION_TEST",
1327        action="store_false",
1328        required=False,
1329        help="Disable integration tests.",
1330    )
1331    parser.add_argument(
1332        "-v",
1333        "--verbose",
1334        action="store_true",
1335        help="Print additional package status messages",
1336    )
1337    parser.add_argument(
1338        "-r", "--repeat", help="Repeat tests N times", type=int, default=1
1339    )
1340    parser.add_argument(
1341        "-b",
1342        "--branch",
1343        dest="BRANCH",
1344        required=False,
1345        help="Branch to target for dependent repositories",
1346        default="master",
1347    )
1348    parser.add_argument(
1349        "-n",
1350        "--noformat",
1351        dest="FORMAT",
1352        action="store_false",
1353        required=False,
1354        help="Whether or not to run format code",
1355    )
1356    args = parser.parse_args(sys.argv[1:])
1357    WORKSPACE = args.WORKSPACE
1358    UNIT_TEST_PKG = args.PACKAGE
1359    TEST_ONLY = args.TEST_ONLY
1360    INTEGRATION_TEST = args.INTEGRATION_TEST
1361    BRANCH = args.BRANCH
1362    FORMAT_CODE = args.FORMAT
1363    if args.verbose:
1364
1365        def printline(*line):
1366            for arg in line:
1367                print(arg, end=" ")
1368            print()
1369
1370    else:
1371
1372        def printline(*line):
1373            pass
1374
1375    CODE_SCAN_DIR = os.path.join(WORKSPACE, UNIT_TEST_PKG)
1376
1377    # Run format-code.sh, which will in turn call any repo-level formatters.
1378    if FORMAT_CODE:
1379        check_call_cmd(
1380            os.path.join(
1381                WORKSPACE, "openbmc-build-scripts", "scripts", "format-code.sh"
1382            ),
1383            CODE_SCAN_DIR,
1384        )
1385
1386        # Check to see if any files changed
1387        check_call_cmd(
1388            "git", "-C", CODE_SCAN_DIR, "--no-pager", "diff", "--exit-code"
1389        )
1390
1391    # Check if this repo has a supported make infrastructure
1392    pkg = Package(UNIT_TEST_PKG, CODE_SCAN_DIR)
1393    if not pkg.build_system():
1394        print("No valid build system, exit")
1395        sys.exit(0)
1396
1397    prev_umask = os.umask(000)
1398
1399    # Determine dependencies and add them
1400    dep_added = dict()
1401    dep_added[UNIT_TEST_PKG] = False
1402
1403    # Create dependency tree
1404    dep_tree = DepTree(UNIT_TEST_PKG)
1405    build_dep_tree(UNIT_TEST_PKG, CODE_SCAN_DIR, dep_added, dep_tree, BRANCH)
1406
1407    # Reorder Dependency Tree
1408    for pkg_name, regex_str in DEPENDENCIES_REGEX.items():
1409        dep_tree.ReorderDeps(pkg_name, regex_str)
1410    if args.verbose:
1411        dep_tree.PrintTree()
1412
1413    install_list = dep_tree.GetInstallList()
1414
1415    # We don't want to treat our package as a dependency
1416    install_list.remove(UNIT_TEST_PKG)
1417
1418    # Install reordered dependencies
1419    for dep in install_list:
1420        build_and_install(dep, False)
1421
1422    # Run package unit tests
1423    build_and_install(UNIT_TEST_PKG, True)
1424
1425    os.umask(prev_umask)
1426
1427    # Run any custom CI scripts the repo has, of which there can be
1428    # multiple of and anywhere in the repository.
1429    ci_scripts = find_file(["run-ci.sh", "run-ci"], CODE_SCAN_DIR)
1430    if ci_scripts:
1431        os.chdir(CODE_SCAN_DIR)
1432        for ci_script in ci_scripts:
1433            check_call_cmd(ci_script)
1434