| #!/usr/bin/env python3 | 
 | # | 
 | # Build the required docker image to run package unit tests | 
 | # | 
 | # Script Variables: | 
 | #   DOCKER_IMG_NAME:  <optional, the name of the docker image to generate> | 
 | #                     default is openbmc/ubuntu-unit-test | 
 | #   DISTRO:           <optional, the distro to build a docker image against> | 
 | #   FORCE_DOCKER_BUILD: <optional, a non-zero value with force all Docker | 
 | #                     images to be rebuilt rather than reusing caches.> | 
 | #   BUILD_URL:        <optional, used to detect running under CI context | 
 | #                     (ex. Jenkins)> | 
 | #   BRANCH:           <optional, branch to build from each of the openbmc/ | 
 | #                     repositories> | 
 | #                     default is master, which will be used if input branch not | 
 | #                     provided or not found | 
 | #   UBUNTU_MIRROR:    <optional, the URL of a mirror of Ubuntu to override the | 
 | #                     default ones in /etc/apt/sources.list> | 
 | #                     default is empty, and no mirror is used. | 
 | #   http_proxy        The HTTP address of the proxy server to connect to. | 
 | #                     Default: "", proxy is not setup if this is not set | 
 |  | 
 | import os | 
 | import sys | 
 | import threading | 
 | from datetime import date | 
 | from hashlib import sha256 | 
 |  | 
 | # typing.Dict is used for type-hints. | 
 | from typing import Any, Callable, Dict, Iterable, Optional  # noqa: F401 | 
 |  | 
 | from sh import docker, git, nproc, uname  # type: ignore | 
 |  | 
 | try: | 
 |     # Python before 3.8 doesn't have TypedDict, so reroute to standard 'dict'. | 
 |     from typing import TypedDict | 
 | except Exception: | 
 |  | 
 |     class TypedDict(dict):  # type: ignore | 
 |         # We need to do this to eat the 'total' argument. | 
 |         def __init_subclass__(cls, **kwargs: Any) -> None: | 
 |             super().__init_subclass__() | 
 |  | 
 |  | 
 | # Declare some variables used in package definitions. | 
 | prefix = "/usr/local" | 
 | proc_count = nproc().strip() | 
 |  | 
 |  | 
 | class PackageDef(TypedDict, total=False): | 
 |     """Package Definition for packages dictionary.""" | 
 |  | 
 |     # rev [optional]: Revision of package to use. | 
 |     rev: str | 
 |     # url [optional]: lambda function to create URL: (package, rev) -> url. | 
 |     url: Callable[[str, str], str] | 
 |     # depends [optional]: List of package dependencies. | 
 |     depends: Iterable[str] | 
 |     # build_type [required]: Build type used for package. | 
 |     #   Currently supported: autoconf, cmake, custom, make, meson | 
 |     build_type: str | 
 |     # build_steps [optional]: Steps to run for 'custom' build_type. | 
 |     build_steps: Iterable[str] | 
 |     # config_flags [optional]: List of options to pass configuration tool. | 
 |     config_flags: Iterable[str] | 
 |     # config_env [optional]: List of environment variables to set for config. | 
 |     config_env: Iterable[str] | 
 |     # custom_post_dl [optional]: List of steps to run after download, but | 
 |     #   before config / build / install. | 
 |     custom_post_dl: Iterable[str] | 
 |     # custom_post_install [optional]: List of steps to run after install. | 
 |     custom_post_install: Iterable[str] | 
 |  | 
 |     # __tag [private]: Generated Docker tag name for package stage. | 
 |     __tag: str | 
 |     # __package [private]: Package object associated with this package. | 
 |     __package: Any  # Type is Package, but not defined yet. | 
 |  | 
 |  | 
 | # Packages to include in image. | 
 | packages = { | 
 |     "boost": PackageDef( | 
 |         rev="1.84.0", | 
 |         url=( | 
 |             lambda pkg, rev: f"https://github.com/boostorg/{pkg}/releases/download/{pkg}-{rev}/{pkg}-{rev}.tar.gz" | 
 |         ), | 
 |         build_type="custom", | 
 |         build_steps=[ | 
 |             ( | 
 |                 "./bootstrap.sh" | 
 |                 f" --prefix={prefix} --with-libraries=context,coroutine,url" | 
 |             ), | 
 |             "./b2", | 
 |             f"./b2 install --prefix={prefix}", | 
 |         ], | 
 |     ), | 
 |     "USCiLab/cereal": PackageDef( | 
 |         rev="v1.3.2", | 
 |         build_type="custom", | 
 |         build_steps=[f"cp -a include/cereal/ {prefix}/include/"], | 
 |     ), | 
 |     "danmar/cppcheck": PackageDef( | 
 |         rev="2.12.1", | 
 |         build_type="cmake", | 
 |     ), | 
 |     "CLIUtils/CLI11": PackageDef( | 
 |         rev="v2.3.2", | 
 |         build_type="cmake", | 
 |         config_flags=[ | 
 |             "-DBUILD_TESTING=OFF", | 
 |             "-DCLI11_BUILD_DOCS=OFF", | 
 |             "-DCLI11_BUILD_EXAMPLES=OFF", | 
 |         ], | 
 |     ), | 
 |     "fmtlib/fmt": PackageDef( | 
 |         rev="10.1.1", | 
 |         build_type="cmake", | 
 |         config_flags=[ | 
 |             "-DFMT_DOC=OFF", | 
 |             "-DFMT_TEST=OFF", | 
 |         ], | 
 |     ), | 
 |     "Naios/function2": PackageDef( | 
 |         rev="4.2.4", | 
 |         build_type="custom", | 
 |         build_steps=[ | 
 |             f"mkdir {prefix}/include/function2", | 
 |             f"cp include/function2/function2.hpp {prefix}/include/function2/", | 
 |         ], | 
 |     ), | 
 |     "google/googletest": PackageDef( | 
 |         rev="v1.14.0", | 
 |         build_type="cmake", | 
 |         config_env=["CXXFLAGS=-std=c++20"], | 
 |         config_flags=["-DTHREADS_PREFER_PTHREAD_FLAG=ON"], | 
 |     ), | 
 |     "nghttp2/nghttp2": PackageDef( | 
 |         rev="v1.57.0", | 
 |         build_type="cmake", | 
 |         config_env=["CXXFLAGS=-std=c++20"], | 
 |         config_flags=[ | 
 |             "-DENABLE_LIB_ONLY=ON", | 
 |             "-DENABLE_STATIC_LIB=ON", | 
 |         ], | 
 |     ), | 
 |     "nlohmann/json": PackageDef( | 
 |         rev="v3.11.2", | 
 |         build_type="cmake", | 
 |         config_flags=["-DJSON_BuildTests=OFF"], | 
 |         custom_post_install=[ | 
 |             ( | 
 |                 f"ln -s {prefix}/include/nlohmann/json.hpp" | 
 |                 f" {prefix}/include/json.hpp" | 
 |             ), | 
 |         ], | 
 |     ), | 
 |     "json-c/json-c": PackageDef( | 
 |         rev="json-c-0.17-20230812", | 
 |         build_type="cmake", | 
 |     ), | 
 |     "linux-test-project/lcov": PackageDef( | 
 |         rev="v1.16", | 
 |         build_type="make", | 
 |     ), | 
 |     "LibVNC/libvncserver": PackageDef( | 
 |         rev="LibVNCServer-0.9.14", | 
 |         build_type="cmake", | 
 |     ), | 
 |     "leethomason/tinyxml2": PackageDef( | 
 |         rev="9.0.0", | 
 |         build_type="cmake", | 
 |     ), | 
 |     "tristanpenman/valijson": PackageDef( | 
 |         rev="v1.0.1", | 
 |         build_type="cmake", | 
 |         config_flags=[ | 
 |             "-Dvalijson_BUILD_TESTS=0", | 
 |             "-Dvalijson_INSTALL_HEADERS=1", | 
 |         ], | 
 |     ), | 
 |     "open-power/pdbg": PackageDef(build_type="autoconf"), | 
 |     "openbmc/gpioplus": PackageDef( | 
 |         depends=["openbmc/stdplus"], | 
 |         build_type="meson", | 
 |         config_flags=[ | 
 |             "-Dexamples=false", | 
 |             "-Dtests=disabled", | 
 |         ], | 
 |     ), | 
 |     "openbmc/phosphor-dbus-interfaces": PackageDef( | 
 |         depends=["openbmc/sdbusplus"], | 
 |         build_type="meson", | 
 |         config_flags=["-Dgenerate_md=false"], | 
 |     ), | 
 |     "openbmc/phosphor-logging": PackageDef( | 
 |         depends=[ | 
 |             "USCiLab/cereal", | 
 |             "openbmc/phosphor-dbus-interfaces", | 
 |             "openbmc/sdbusplus", | 
 |             "openbmc/sdeventplus", | 
 |         ], | 
 |         build_type="meson", | 
 |         config_flags=[ | 
 |             "-Dlibonly=true", | 
 |             "-Dtests=disabled", | 
 |             f"-Dyamldir={prefix}/share/phosphor-dbus-yaml/yaml", | 
 |         ], | 
 |     ), | 
 |     "openbmc/phosphor-objmgr": PackageDef( | 
 |         depends=[ | 
 |             "CLIUtils/CLI11", | 
 |             "boost", | 
 |             "leethomason/tinyxml2", | 
 |             "openbmc/phosphor-dbus-interfaces", | 
 |             "openbmc/phosphor-logging", | 
 |             "openbmc/sdbusplus", | 
 |         ], | 
 |         build_type="meson", | 
 |         config_flags=[ | 
 |             "-Dtests=disabled", | 
 |         ], | 
 |     ), | 
 |     "openbmc/libpeci": PackageDef( | 
 |         build_type="meson", | 
 |         config_flags=[ | 
 |             "-Draw-peci=disabled", | 
 |         ], | 
 |     ), | 
 |     "openbmc/libpldm": PackageDef( | 
 |         build_type="meson", | 
 |         config_flags=[ | 
 |             "-Dabi=deprecated,stable", | 
 |             "-Doem-ibm=enabled", | 
 |             "-Dtests=disabled", | 
 |         ], | 
 |     ), | 
 |     "openbmc/sdbusplus": PackageDef( | 
 |         build_type="meson", | 
 |         custom_post_dl=[ | 
 |             "cd tools", | 
 |             f"./setup.py install --root=/ --prefix={prefix}", | 
 |             "cd ..", | 
 |         ], | 
 |         config_flags=[ | 
 |             "-Dexamples=disabled", | 
 |             "-Dtests=disabled", | 
 |         ], | 
 |     ), | 
 |     "openbmc/sdeventplus": PackageDef( | 
 |         depends=[ | 
 |             "Naios/function2", | 
 |             "openbmc/stdplus", | 
 |         ], | 
 |         build_type="meson", | 
 |         config_flags=[ | 
 |             "-Dexamples=false", | 
 |             "-Dtests=disabled", | 
 |         ], | 
 |     ), | 
 |     "openbmc/stdplus": PackageDef( | 
 |         depends=[ | 
 |             "fmtlib/fmt", | 
 |             "google/googletest", | 
 |             "Naios/function2", | 
 |         ], | 
 |         build_type="meson", | 
 |         config_flags=[ | 
 |             "-Dexamples=false", | 
 |             "-Dtests=disabled", | 
 |             "-Dgtest=enabled", | 
 |         ], | 
 |     ), | 
 | }  # type: Dict[str, PackageDef] | 
 |  | 
 | # Define common flags used for builds | 
 | configure_flags = " ".join( | 
 |     [ | 
 |         f"--prefix={prefix}", | 
 |     ] | 
 | ) | 
 | cmake_flags = " ".join( | 
 |     [ | 
 |         "-DBUILD_SHARED_LIBS=ON", | 
 |         "-DCMAKE_BUILD_TYPE=RelWithDebInfo", | 
 |         f"-DCMAKE_INSTALL_PREFIX:PATH={prefix}", | 
 |         "-GNinja", | 
 |         "-DCMAKE_MAKE_PROGRAM=ninja", | 
 |     ] | 
 | ) | 
 | meson_flags = " ".join( | 
 |     [ | 
 |         "--wrap-mode=nodownload", | 
 |         f"-Dprefix={prefix}", | 
 |     ] | 
 | ) | 
 |  | 
 |  | 
 | class Package(threading.Thread): | 
 |     """Class used to build the Docker stages for each package. | 
 |  | 
 |     Generally, this class should not be instantiated directly but through | 
 |     Package.generate_all(). | 
 |     """ | 
 |  | 
 |     # Copy the packages dictionary. | 
 |     packages = packages.copy() | 
 |  | 
 |     # Lock used for thread-safety. | 
 |     lock = threading.Lock() | 
 |  | 
 |     def __init__(self, pkg: str): | 
 |         """pkg - The name of this package (ex. foo/bar )""" | 
 |         super(Package, self).__init__() | 
 |  | 
 |         self.package = pkg | 
 |         self.exception = None  # type: Optional[Exception] | 
 |  | 
 |         # Reference to this package's | 
 |         self.pkg_def = Package.packages[pkg] | 
 |         self.pkg_def["__package"] = self | 
 |  | 
 |     def run(self) -> None: | 
 |         """Thread 'run' function.  Builds the Docker stage.""" | 
 |  | 
 |         # In case this package has no rev, fetch it from Github. | 
 |         self._update_rev() | 
 |  | 
 |         # Find all the Package objects that this package depends on. | 
 |         #   This section is locked because we are looking into another | 
 |         #   package's PackageDef dict, which could be being modified. | 
 |         Package.lock.acquire() | 
 |         deps: Iterable[Package] = [ | 
 |             Package.packages[deppkg]["__package"] | 
 |             for deppkg in self.pkg_def.get("depends", []) | 
 |         ] | 
 |         Package.lock.release() | 
 |  | 
 |         # Wait until all the depends finish building.  We need them complete | 
 |         # for the "COPY" commands. | 
 |         for deppkg in deps: | 
 |             deppkg.join() | 
 |  | 
 |         # Generate this package's Dockerfile. | 
 |         dockerfile = f""" | 
 | FROM {docker_base_img_name} | 
 | {self._df_copycmds()} | 
 | {self._df_build()} | 
 | """ | 
 |  | 
 |         # Generate the resulting tag name and save it to the PackageDef. | 
 |         #   This section is locked because we are modifying the PackageDef, | 
 |         #   which can be accessed by other threads. | 
 |         Package.lock.acquire() | 
 |         tag = Docker.tagname(self._stagename(), dockerfile) | 
 |         self.pkg_def["__tag"] = tag | 
 |         Package.lock.release() | 
 |  | 
 |         # Do the build / save any exceptions. | 
 |         try: | 
 |             Docker.build(self.package, tag, dockerfile) | 
 |         except Exception as e: | 
 |             self.exception = e | 
 |  | 
 |     @classmethod | 
 |     def generate_all(cls) -> None: | 
 |         """Ensure a Docker stage is created for all defined packages. | 
 |  | 
 |         These are done in parallel but with appropriate blocking per | 
 |         package 'depends' specifications. | 
 |         """ | 
 |  | 
 |         # Create a Package for each defined package. | 
 |         pkg_threads = [Package(p) for p in cls.packages.keys()] | 
 |  | 
 |         # Start building them all. | 
 |         #   This section is locked because threads depend on each other, | 
 |         #   based on the packages, and they cannot 'join' on a thread | 
 |         #   which is not yet started.  Adding a lock here allows all the | 
 |         #   threads to start before they 'join' their dependencies. | 
 |         Package.lock.acquire() | 
 |         for t in pkg_threads: | 
 |             t.start() | 
 |         Package.lock.release() | 
 |  | 
 |         # Wait for completion. | 
 |         for t in pkg_threads: | 
 |             t.join() | 
 |             # Check if the thread saved off its own exception. | 
 |             if t.exception: | 
 |                 print(f"Package {t.package} failed!", file=sys.stderr) | 
 |                 raise t.exception | 
 |  | 
 |     @staticmethod | 
 |     def df_all_copycmds() -> str: | 
 |         """Formulate the Dockerfile snippet necessary to copy all packages | 
 |         into the final image. | 
 |         """ | 
 |         return Package.df_copycmds_set(Package.packages.keys()) | 
 |  | 
 |     @classmethod | 
 |     def depcache(cls) -> str: | 
 |         """Create the contents of the '/tmp/depcache'. | 
 |         This file is a comma-separated list of "<pkg>:<rev>". | 
 |         """ | 
 |  | 
 |         # This needs to be sorted for consistency. | 
 |         depcache = "" | 
 |         for pkg in sorted(cls.packages.keys()): | 
 |             depcache += "%s:%s," % (pkg, cls.packages[pkg]["rev"]) | 
 |         return depcache | 
 |  | 
 |     def _update_rev(self) -> None: | 
 |         """Look up the HEAD for missing a static rev.""" | 
 |  | 
 |         if "rev" in self.pkg_def: | 
 |             return | 
 |  | 
 |         # Check if Jenkins/Gerrit gave us a revision and use it. | 
 |         if gerrit_project == self.package and gerrit_rev: | 
 |             print( | 
 |                 f"Found Gerrit revision for {self.package}: {gerrit_rev}", | 
 |                 file=sys.stderr, | 
 |             ) | 
 |             self.pkg_def["rev"] = gerrit_rev | 
 |             return | 
 |  | 
 |         # Ask Github for all the branches. | 
 |         lookup = git( | 
 |             "ls-remote", "--heads", f"https://github.com/{self.package}" | 
 |         ) | 
 |  | 
 |         # Find the branch matching {branch} (or fallback to master). | 
 |         #   This section is locked because we are modifying the PackageDef. | 
 |         Package.lock.acquire() | 
 |         for line in lookup.split("\n"): | 
 |             if f"refs/heads/{branch}" in line: | 
 |                 self.pkg_def["rev"] = line.split()[0] | 
 |             elif ( | 
 |                 "refs/heads/master" in line or "refs/heads/main" in line | 
 |             ) and "rev" not in self.pkg_def: | 
 |                 self.pkg_def["rev"] = line.split()[0] | 
 |         Package.lock.release() | 
 |  | 
 |     def _stagename(self) -> str: | 
 |         """Create a name for the Docker stage associated with this pkg.""" | 
 |         return self.package.replace("/", "-").lower() | 
 |  | 
 |     def _url(self) -> str: | 
 |         """Get the URL for this package.""" | 
 |         rev = self.pkg_def["rev"] | 
 |  | 
 |         # If the lambda exists, call it. | 
 |         if "url" in self.pkg_def: | 
 |             return self.pkg_def["url"](self.package, rev) | 
 |  | 
 |         # Default to the github archive URL. | 
 |         return f"https://github.com/{self.package}/archive/{rev}.tar.gz" | 
 |  | 
 |     def _cmd_download(self) -> str: | 
 |         """Formulate the command necessary to download and unpack to source.""" | 
 |  | 
 |         url = self._url() | 
 |         if ".tar." not in url: | 
 |             raise NotImplementedError( | 
 |                 f"Unhandled download type for {self.package}: {url}" | 
 |             ) | 
 |  | 
 |         cmd = f"curl -L {url} | tar -x" | 
 |  | 
 |         if url.endswith(".bz2"): | 
 |             cmd += "j" | 
 |         elif url.endswith(".gz"): | 
 |             cmd += "z" | 
 |         else: | 
 |             raise NotImplementedError( | 
 |                 f"Unknown tar flags needed for {self.package}: {url}" | 
 |             ) | 
 |  | 
 |         return cmd | 
 |  | 
 |     def _cmd_cd_srcdir(self) -> str: | 
 |         """Formulate the command necessary to 'cd' into the source dir.""" | 
 |         return f"cd {self.package.split('/')[-1]}*" | 
 |  | 
 |     def _df_copycmds(self) -> str: | 
 |         """Formulate the dockerfile snippet necessary to COPY all depends.""" | 
 |  | 
 |         if "depends" not in self.pkg_def: | 
 |             return "" | 
 |         return Package.df_copycmds_set(self.pkg_def["depends"]) | 
 |  | 
 |     @staticmethod | 
 |     def df_copycmds_set(pkgs: Iterable[str]) -> str: | 
 |         """Formulate the Dockerfile snippet necessary to COPY a set of | 
 |         packages into a Docker stage. | 
 |         """ | 
 |  | 
 |         copy_cmds = "" | 
 |  | 
 |         # Sort the packages for consistency. | 
 |         for p in sorted(pkgs): | 
 |             tag = Package.packages[p]["__tag"] | 
 |             copy_cmds += f"COPY --from={tag} {prefix} {prefix}\n" | 
 |             # Workaround for upstream docker bug and multiple COPY cmds | 
 |             # https://github.com/moby/moby/issues/37965 | 
 |             copy_cmds += "RUN true\n" | 
 |  | 
 |         return copy_cmds | 
 |  | 
 |     def _df_build(self) -> str: | 
 |         """Formulate the Dockerfile snippet necessary to download, build, and | 
 |         install a package into a Docker stage. | 
 |         """ | 
 |  | 
 |         # Download and extract source. | 
 |         result = f"RUN {self._cmd_download()} && {self._cmd_cd_srcdir()} && " | 
 |  | 
 |         # Handle 'custom_post_dl' commands. | 
 |         custom_post_dl = self.pkg_def.get("custom_post_dl") | 
 |         if custom_post_dl: | 
 |             result += " && ".join(custom_post_dl) + " && " | 
 |  | 
 |         # Build and install package based on 'build_type'. | 
 |         build_type = self.pkg_def["build_type"] | 
 |         if build_type == "autoconf": | 
 |             result += self._cmd_build_autoconf() | 
 |         elif build_type == "cmake": | 
 |             result += self._cmd_build_cmake() | 
 |         elif build_type == "custom": | 
 |             result += self._cmd_build_custom() | 
 |         elif build_type == "make": | 
 |             result += self._cmd_build_make() | 
 |         elif build_type == "meson": | 
 |             result += self._cmd_build_meson() | 
 |         else: | 
 |             raise NotImplementedError( | 
 |                 f"Unhandled build type for {self.package}: {build_type}" | 
 |             ) | 
 |  | 
 |         # Handle 'custom_post_install' commands. | 
 |         custom_post_install = self.pkg_def.get("custom_post_install") | 
 |         if custom_post_install: | 
 |             result += " && " + " && ".join(custom_post_install) | 
 |  | 
 |         return result | 
 |  | 
 |     def _cmd_build_autoconf(self) -> str: | 
 |         options = " ".join(self.pkg_def.get("config_flags", [])) | 
 |         env = " ".join(self.pkg_def.get("config_env", [])) | 
 |         result = "./bootstrap.sh && " | 
 |         result += f"{env} ./configure {configure_flags} {options} && " | 
 |         result += f"make -j{proc_count} && make install" | 
 |         return result | 
 |  | 
 |     def _cmd_build_cmake(self) -> str: | 
 |         options = " ".join(self.pkg_def.get("config_flags", [])) | 
 |         env = " ".join(self.pkg_def.get("config_env", [])) | 
 |         result = "mkdir builddir && cd builddir && " | 
 |         result += f"{env} cmake {cmake_flags} {options} .. && " | 
 |         result += "cmake --build . --target all && " | 
 |         result += "cmake --build . --target install && " | 
 |         result += "cd .." | 
 |         return result | 
 |  | 
 |     def _cmd_build_custom(self) -> str: | 
 |         return " && ".join(self.pkg_def.get("build_steps", [])) | 
 |  | 
 |     def _cmd_build_make(self) -> str: | 
 |         return f"make -j{proc_count} && make install" | 
 |  | 
 |     def _cmd_build_meson(self) -> str: | 
 |         options = " ".join(self.pkg_def.get("config_flags", [])) | 
 |         env = " ".join(self.pkg_def.get("config_env", [])) | 
 |         result = f"{env} meson setup builddir {meson_flags} {options} && " | 
 |         result += "ninja -C builddir && ninja -C builddir install" | 
 |         return result | 
 |  | 
 |  | 
 | class Docker: | 
 |     """Class to assist with Docker interactions.  All methods are static.""" | 
 |  | 
 |     @staticmethod | 
 |     def timestamp() -> str: | 
 |         """Generate a timestamp for today using the ISO week.""" | 
 |         today = date.today().isocalendar() | 
 |         return f"{today[0]}-W{today[1]:02}" | 
 |  | 
 |     @staticmethod | 
 |     def tagname(pkgname: Optional[str], dockerfile: str) -> str: | 
 |         """Generate a tag name for a package using a hash of the Dockerfile.""" | 
 |         result = docker_image_name | 
 |         if pkgname: | 
 |             result += "-" + pkgname | 
 |  | 
 |         result += ":" + Docker.timestamp() | 
 |         result += "-" + sha256(dockerfile.encode()).hexdigest()[0:16] | 
 |  | 
 |         return result | 
 |  | 
 |     @staticmethod | 
 |     def build(pkg: str, tag: str, dockerfile: str) -> None: | 
 |         """Build a docker image using the Dockerfile and tagging it with 'tag'.""" | 
 |  | 
 |         # If we're not forcing builds, check if it already exists and skip. | 
 |         if not force_build: | 
 |             if docker.image.ls(tag, "--format", '"{{.Repository}}:{{.Tag}}"'): | 
 |                 print( | 
 |                     f"Image {tag} already exists.  Skipping.", file=sys.stderr | 
 |                 ) | 
 |                 return | 
 |  | 
 |         # Build it. | 
 |         #   Capture the output of the 'docker build' command and send it to | 
 |         #   stderr (prefixed with the package name).  This allows us to see | 
 |         #   progress but not polute stdout.  Later on we output the final | 
 |         #   docker tag to stdout and we want to keep that pristine. | 
 |         # | 
 |         #   Other unusual flags: | 
 |         #       --no-cache: Bypass the Docker cache if 'force_build'. | 
 |         #       --force-rm: Clean up Docker processes if they fail. | 
 |         docker.build( | 
 |             proxy_args, | 
 |             "--network=host", | 
 |             "--force-rm", | 
 |             "--no-cache=true" if force_build else "--no-cache=false", | 
 |             "-t", | 
 |             tag, | 
 |             "-", | 
 |             _in=dockerfile, | 
 |             _out=( | 
 |                 lambda line: print( | 
 |                     pkg + ":", line, end="", file=sys.stderr, flush=True | 
 |                 ) | 
 |             ), | 
 |         ) | 
 |  | 
 |  | 
 | # Read a bunch of environment variables. | 
 | docker_image_name = os.environ.get( | 
 |     "DOCKER_IMAGE_NAME", "openbmc/ubuntu-unit-test" | 
 | ) | 
 | force_build = os.environ.get("FORCE_DOCKER_BUILD") | 
 | is_automated_ci_build = os.environ.get("BUILD_URL", False) | 
 | distro = os.environ.get("DISTRO", "ubuntu:noble") | 
 | branch = os.environ.get("BRANCH", "master") | 
 | ubuntu_mirror = os.environ.get("UBUNTU_MIRROR") | 
 | http_proxy = os.environ.get("http_proxy") | 
 |  | 
 | gerrit_project = os.environ.get("GERRIT_PROJECT") | 
 | gerrit_rev = os.environ.get("GERRIT_PATCHSET_REVISION") | 
 |  | 
 | # Ensure appropriate docker build output to see progress and identify | 
 | # any issues | 
 | os.environ["BUILDKIT_PROGRESS"] = "plain" | 
 |  | 
 | # Set up some common variables. | 
 | username = os.environ.get("USER", "root") | 
 | homedir = os.environ.get("HOME", "/root") | 
 | gid = os.getgid() | 
 | uid = os.getuid() | 
 |  | 
 | # Use well-known constants if user is root | 
 | if username == "root": | 
 |     homedir = "/root" | 
 |     gid = 0 | 
 |     uid = 0 | 
 |  | 
 | # Determine the architecture for Docker. | 
 | arch = uname("-m").strip() | 
 | if arch == "ppc64le": | 
 |     docker_base = "ppc64le/" | 
 | elif arch == "x86_64": | 
 |     docker_base = "" | 
 | elif arch == "aarch64": | 
 |     docker_base = "arm64v8/" | 
 | else: | 
 |     print( | 
 |         f"Unsupported system architecture({arch}) found for docker image", | 
 |         file=sys.stderr, | 
 |     ) | 
 |     sys.exit(1) | 
 |  | 
 | # Special flags if setting up a deb mirror. | 
 | mirror = "" | 
 | if "ubuntu" in distro and ubuntu_mirror: | 
 |     mirror = f""" | 
 | RUN echo "deb {ubuntu_mirror} \ | 
 |         $(. /etc/os-release && echo $VERSION_CODENAME) \ | 
 |         main restricted universe multiverse" > /etc/apt/sources.list && \\ | 
 |     echo "deb {ubuntu_mirror} \ | 
 |         $(. /etc/os-release && echo $VERSION_CODENAME)-updates \ | 
 |             main restricted universe multiverse" >> /etc/apt/sources.list && \\ | 
 |     echo "deb {ubuntu_mirror} \ | 
 |         $(. /etc/os-release && echo $VERSION_CODENAME)-security \ | 
 |             main restricted universe multiverse" >> /etc/apt/sources.list && \\ | 
 |     echo "deb {ubuntu_mirror} \ | 
 |         $(. /etc/os-release && echo $VERSION_CODENAME)-proposed \ | 
 |             main restricted universe multiverse" >> /etc/apt/sources.list && \\ | 
 |     echo "deb {ubuntu_mirror} \ | 
 |         $(. /etc/os-release && echo $VERSION_CODENAME)-backports \ | 
 |             main restricted universe multiverse" >> /etc/apt/sources.list | 
 | """ | 
 |  | 
 | # Special flags for proxying. | 
 | proxy_cmd = "" | 
 | proxy_keyserver = "" | 
 | proxy_args = [] | 
 | if http_proxy: | 
 |     proxy_cmd = f""" | 
 | RUN echo "[http]" >> {homedir}/.gitconfig && \ | 
 |     echo "proxy = {http_proxy}" >> {homedir}/.gitconfig | 
 | """ | 
 |     proxy_keyserver = f"--keyserver-options http-proxy={http_proxy}" | 
 |  | 
 |     proxy_args.extend( | 
 |         [ | 
 |             "--build-arg", | 
 |             f"http_proxy={http_proxy}", | 
 |             "--build-arg", | 
 |             f"https_proxy={http_proxy}", | 
 |         ] | 
 |     ) | 
 |  | 
 | # Create base Dockerfile. | 
 | dockerfile_base = f""" | 
 | FROM {docker_base}{distro} | 
 |  | 
 | {mirror} | 
 |  | 
 | ENV DEBIAN_FRONTEND noninteractive | 
 |  | 
 | ENV PYTHONPATH "/usr/local/lib/python3.10/site-packages/" | 
 |  | 
 | # Sometimes the ubuntu key expires and we need a way to force an execution | 
 | # of the apt-get commands for the dbgsym-keyring.  When this happens we see | 
 | # an error like: "Release: The following signatures were invalid:" | 
 | # Insert a bogus echo that we can change here when we get this error to force | 
 | # the update. | 
 | RUN echo "ubuntu keyserver rev as of 2021-04-21" | 
 |  | 
 | # We need the keys to be imported for dbgsym repos | 
 | # New releases have a package, older ones fall back to manual fetching | 
 | # https://wiki.ubuntu.com/Debug%20Symbol%20Packages | 
 | # Known issue with gpg to get keys via proxy - | 
 | # https://bugs.launchpad.net/ubuntu/+source/gnupg2/+bug/1788190, hence using | 
 | # curl to get keys. | 
 | RUN apt-get update && apt-get dist-upgrade -yy && \ | 
 |     ( apt-get install -yy gpgv ubuntu-dbgsym-keyring || \ | 
 |         ( apt-get install -yy dirmngr curl && \ | 
 |           curl -sSL \ | 
 |           'https://keyserver.ubuntu.com/pks/lookup?op=get&search=0xF2EDC64DC5AEE1F6B9C621F0C8CAB6595FDFF622' \ | 
 |           | apt-key add - )) | 
 |  | 
 | # Parse the current repo list into a debug repo list | 
 | RUN sed -n '/^deb /s,^deb [^ ]* ,deb http://ddebs.ubuntu.com ,p' \ | 
 |         /etc/apt/sources.list >/etc/apt/sources.list.d/debug.list | 
 |  | 
 | # Remove non-existent debug repos | 
 | RUN sed -i '/-\\(backports\\|security\\) /d' /etc/apt/sources.list.d/debug.list | 
 |  | 
 | RUN cat /etc/apt/sources.list.d/debug.list | 
 |  | 
 | RUN apt-get update && apt-get dist-upgrade -yy && apt-get install -yy \ | 
 |     abi-compliance-checker \ | 
 |     abi-dumper \ | 
 |     autoconf \ | 
 |     autoconf-archive \ | 
 |     bison \ | 
 |     clang-17 \ | 
 |     clang-format-17 \ | 
 |     clang-tidy-17 \ | 
 |     clang-tools-17 \ | 
 |     cmake \ | 
 |     curl \ | 
 |     dbus \ | 
 |     device-tree-compiler \ | 
 |     flex \ | 
 |     g++-13 \ | 
 |     gcc-13 \ | 
 |     git \ | 
 |     iproute2 \ | 
 |     iputils-ping \ | 
 |     libaudit-dev \ | 
 |     libc6-dbg \ | 
 |     libc6-dev \ | 
 |     libconfig++-dev \ | 
 |     libcryptsetup-dev \ | 
 |     libdbus-1-dev \ | 
 |     libevdev-dev \ | 
 |     libgpiod-dev \ | 
 |     libi2c-dev \ | 
 |     libjpeg-dev \ | 
 |     libjson-perl \ | 
 |     libldap2-dev \ | 
 |     libmimetic-dev \ | 
 |     libnl-3-dev \ | 
 |     libnl-genl-3-dev \ | 
 |     libpam0g-dev \ | 
 |     libpciaccess-dev \ | 
 |     libperlio-gzip-perl \ | 
 |     libpng-dev \ | 
 |     libprotobuf-dev \ | 
 |     libsnmp-dev \ | 
 |     libssl-dev \ | 
 |     libsystemd-dev \ | 
 |     libtool \ | 
 |     liburing-dev \ | 
 |     libxml2-utils \ | 
 |     libxml-simple-perl \ | 
 |     ninja-build \ | 
 |     npm \ | 
 |     pkg-config \ | 
 |     protobuf-compiler \ | 
 |     python3 \ | 
 |     python3-dev\ | 
 |     python3-git \ | 
 |     python3-mako \ | 
 |     python3-pip \ | 
 |     python3-protobuf \ | 
 |     python3-setuptools \ | 
 |     python3-socks \ | 
 |     python3-yaml \ | 
 |     rsync \ | 
 |     shellcheck \ | 
 |     sudo \ | 
 |     systemd \ | 
 |     valgrind \ | 
 |     vim \ | 
 |     wget \ | 
 |     xxd | 
 |  | 
 | RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 13 \ | 
 |   --slave /usr/bin/g++ g++ /usr/bin/g++-13 \ | 
 |   --slave /usr/bin/gcov gcov /usr/bin/gcov-13 \ | 
 |   --slave /usr/bin/gcov-dump gcov-dump /usr/bin/gcov-dump-13 \ | 
 |   --slave /usr/bin/gcov-tool gcov-tool /usr/bin/gcov-tool-13 | 
 | RUN update-alternatives --remove cpp /usr/bin/cpp && \ | 
 |     update-alternatives --install /usr/bin/cpp cpp /usr/bin/cpp-13 13 | 
 |  | 
 | RUN update-alternatives --install /usr/bin/clang clang /usr/bin/clang-17 1000 \ | 
 |   --slave /usr/bin/clang++ clang++ /usr/bin/clang++-17 \ | 
 |   --slave /usr/bin/clang-tidy clang-tidy /usr/bin/clang-tidy-17 \ | 
 |   --slave /usr/bin/clang-format clang-format /usr/bin/clang-format-17 \ | 
 |   --slave /usr/bin/run-clang-tidy run-clang-tidy.py \ | 
 |         /usr/bin/run-clang-tidy-17 \ | 
 |   --slave /usr/bin/scan-build scan-build /usr/bin/scan-build-17 | 
 |  | 
 | """ | 
 |  | 
 | if is_automated_ci_build: | 
 |     dockerfile_base += f""" | 
 | # Run an arbitrary command to polute the docker cache regularly force us | 
 | # to re-run `apt-get update` daily. | 
 | RUN echo {Docker.timestamp()} | 
 | RUN apt-get update && apt-get dist-upgrade -yy | 
 |  | 
 | """ | 
 |  | 
 | dockerfile_base += """ | 
 | RUN pip3 install --break-system-packages \ | 
 |         beautysh \ | 
 |         black \ | 
 |         codespell \ | 
 |         flake8 \ | 
 |         gitlint \ | 
 |         inflection \ | 
 |         isort \ | 
 |         jsonschema \ | 
 |         meson==1.3.0 \ | 
 |         requests | 
 |  | 
 | RUN npm install -g \ | 
 |         eslint@latest eslint-plugin-json@latest \ | 
 |         markdownlint-cli@latest \ | 
 |         prettier@latest | 
 | """ | 
 |  | 
 | # Build the base and stage docker images. | 
 | docker_base_img_name = Docker.tagname("base", dockerfile_base) | 
 | Docker.build("base", docker_base_img_name, dockerfile_base) | 
 | Package.generate_all() | 
 |  | 
 | # Create the final Dockerfile. | 
 | dockerfile = f""" | 
 | # Build the final output image | 
 | FROM {docker_base_img_name} | 
 | {Package.df_all_copycmds()} | 
 |  | 
 | # Some of our infrastructure still relies on the presence of this file | 
 | # even though it is no longer needed to rebuild the docker environment | 
 | # NOTE: The file is sorted to ensure the ordering is stable. | 
 | RUN echo '{Package.depcache()}' > /tmp/depcache | 
 |  | 
 | # Ensure the group, user, and home directory are created (or rename them if | 
 | # they already exist). | 
 | RUN if grep -q ":{gid}:" /etc/group ; then \ | 
 |         groupmod -n {username} $(awk -F : '{{ if ($3 == {gid}) {{ print $1 }} }}' /etc/group) ; \ | 
 |     else \ | 
 |         groupadd -f -g {gid} {username} ; \ | 
 |     fi | 
 | RUN mkdir -p "{os.path.dirname(homedir)}" | 
 | RUN if grep -q ":{uid}:" /etc/passwd ; then \ | 
 |         usermod -l {username} -d {homedir} -m $(awk -F : '{{ if ($3 == {uid}) {{ print $1 }} }}' /etc/passwd) ; \ | 
 |     else \ | 
 |         useradd -d {homedir} -m -u {uid} -g {gid} {username} ; \ | 
 |     fi | 
 | RUN sed -i '1iDefaults umask=000' /etc/sudoers | 
 | RUN echo "{username} ALL=(ALL) NOPASSWD: ALL" >>/etc/sudoers | 
 |  | 
 | # Ensure user has ability to write to /usr/local for different tool | 
 | # and data installs | 
 | RUN chown -R {username}:{username} /usr/local/share | 
 |  | 
 | # Update library cache | 
 | RUN ldconfig | 
 |  | 
 | {proxy_cmd} | 
 |  | 
 | RUN /bin/bash | 
 | """ | 
 |  | 
 | # Do the final docker build | 
 | docker_final_img_name = Docker.tagname(None, dockerfile) | 
 | Docker.build("final", docker_final_img_name, dockerfile) | 
 |  | 
 | # Print the tag of the final image. | 
 | print(docker_final_img_name) |