buildlib/cbuild - master - githubmirror/rdma-core

buildlib/cbuild
1 285 строк44 KB
Nicolas Morey
cbuild: bump leap to 16.0
08 июн 2026, 13:45
08 июн 2026, 13:457b1589e
#!/usr/bin/env python3
# Copyright 2015-2016 Obsidian Research Corp.
# Licensed under BSD (MIT variant) or GPLv2. See COPYING.
# PYTHON_ARGCOMPLETE_OK
"""cbuild - Build in a docker container

This script helps using docker containers to run software builds. This allows
building for a wide range of distributions without having to install them.

Each target distribution has a base docker image and a set of packages to
install. The first step is to build the customized docker container:

 $ buildlib/cbuild build-images fedora

This will download the base image and customize it with the required packages.

Next, a build can be performed 'in place'. This is useful to do edit/compile
cycles with an alternate distribution.

 $ buildlib/cbuild make fedora

The build output will be placed in build-fcXX, where XX is latest fedora release.

Finally, a full package build can be performed inside the container. Note this
mode actually creates a source tree inside the container based on the current
git HEAD commit, so any uncommitted edits will be lost.

 $ buildlib/cbuild pkg fedora

In this case only the final package results are copied outside the container
(to ..) and everything else is discarded.

In all cases the containers that are spun up are deleted after they are
finished, only the base container created during 'build-images' is kept. The
'--run-shell' option can be used to setup the container to the point of
running the build command and instead run an interactive bash shell. This is
useful for debugging certain kinds of build problems."""

from __future__ import print_function
import argparse
import collections
import filecmp
import grp
import inspect
import json
import multiprocessing
import os
import pwd
import re
import shutil
import subprocess
import sys
import tempfile
import yaml
from contextlib import contextmanager;

project = "rdma-core";

def get_version():
    """Return the version string for the project, this gets automatically written
    into the packaging files."""
    with open("CMakeLists.txt","r") as F:
        for ln in F:
            g = re.match(r'^set\(PACKAGE_VERSION "(.+)"\)',ln)
            if g is None:
                continue;
            return g.group(1);
    raise RuntimeError("Could not find version");

class DockerFile(object):
    def __init__(self,src):
        self.lines = ["FROM %s"%(src)];

class Environment(object):
    azp_images = None;
    pandoc = True;
    python_cmd = "python3";
    aliases = set();
    use_make = False;
    proxy = True;
    build_pyverbs = True;
    docker_opts = []

    to_azp = False;

    def _get_azp_names(self):
        if Environment.azp_images:
            return Environment.azp_images;

        with open("buildlib/azure-pipelines.yml") as F:
            azp = yaml.safe_load(F)
        Environment.azp_images = set(I["image"] for I in azp["resources"]["containers"])
        return Environment.azp_images;

    def image_name(self):
        if self.to_azp:
            # Get the version number of the container out of the azp file.
            prefix = "ucfconsort.azurecr.io/%s/%s:"%(project, self.name);
            for I in self._get_azp_names():
                if I.startswith(prefix):
                    return I;
            raise ValueError("Image is not used in buildlib/azure-pipelines.yml")
        return "build-%s/%s"%(project,self.name);

# -------------------------------------------------------------------------

class YumEnvironment(Environment):
    is_rpm = True;
    def get_docker_file(self,tmpdir):
        res = DockerFile(self.docker_parent);
        res.lines.append("RUN yum install -y %s && yum clean all"%(
            " ".join(sorted(self.pkgs))));
        return res;

class centos7(YumEnvironment):
    docker_parent = "centos:7";
    pkgs = {
        'cmake',
        'gcc',
        'libnl3-devel',
        'libudev-devel',
        'make',
        'pkgconfig',
        'python',
        'python-argparse',
        'python-docutils',
        'rpm-build',
        'systemd-devel',
        'valgrind-devel',
    }
    name = "centos7";
    use_make = True;
    pandoc = False;
    build_pyverbs = False;
    specfile = "redhat/rdma-core.spec";
    python_cmd = "python";
    to_azp = True;

class centos7_epel(centos7):
    pkgs = (centos7.pkgs - {"cmake","make"}) | {
        "cmake3",
        "ninja-build",
        "pandoc",
        "python34-setuptools",
        'python34-Cython',
        'python34-devel',
    };
    name = "centos7_epel";
    build_pyverbs = True;
    use_make = False;
    pandoc = True;
    ninja_cmd = "ninja-build";
    # Our spec file does not know how to cope with cmake3
    is_rpm = False;
    to_azp = False;

    def get_docker_file(self,tmpdir):
        res = YumEnvironment.get_docker_file(self,tmpdir);
        res.lines.insert(1,"RUN yum install -y epel-release");
        res.lines.append("RUN ln -s /usr/bin/cmake3 /usr/local/bin/cmake && ln -sf /usr/bin/python3.4 /usr/bin/python3");
        return res;

class amazonlinux2(YumEnvironment):
    docker_parent = "amazonlinux:2";
    pkgs = centos7.pkgs;
    name = "amazonlinux2";
    use_make = True;
    pandoc = False;
    build_pyverbs = False;
    specfile = "redhat/rdma-core.spec";
    python_cmd = "python";
    to_azp = False;

class centos8(Environment):
    docker_parent = "quay.io/centos/centos:stream8"
    pkgs = {
        "pandoc",
        "perl-generators",
        "python3-Cython",
        "python3-devel",
        "python3-docutils",
        'cmake',
        'gcc',
        'libnl3-devel',
        'libudev-devel',
        'ninja-build',
        'pkgconfig',
        'rpm-build',
        'systemd-devel',
        'valgrind-devel',
    };
    name = "centos8";
    specfile = "redhat/rdma-core.spec";
    is_rpm = True;
    to_azp = True;
    proxy = False;

    def get_docker_file(self,tmpdir):
        res = DockerFile(self.docker_parent);
        res.lines.append("RUN dnf config-manager --set-enabled powertools && "
                         "dnf install -y %s && dnf clean all" %
                         (" ".join(sorted(self.pkgs))))
        return res;

class centos9(Environment):
    docker_parent = "quay.io/centos/centos:stream9"
    pkgs = centos8.pkgs
    name = "centos9"
    specfile = "redhat/rdma-core.spec"
    ninja_cmd = "ninja-build"
    is_rpm = True
    to_azp = True
    proxy = False

    def get_docker_file(self,tmpdir):
        res = DockerFile(self.docker_parent);
        res.lines.append("RUN dnf install -y 'dnf-command(config-manager)' epel-release &&"
                         "dnf config-manager --set-enabled crb && "
                         "dnf install -y %s && dnf clean all" %
                         (" ".join(sorted(self.pkgs))))
        return res

class fc44(Environment):
    docker_parent = "fedora:44";
    pkgs = centos8.pkgs | {"util-linux"}
    name = "fc44";
    specfile = "redhat/rdma-core.spec";
    ninja_cmd = "ninja-build";
    is_rpm = True;
    aliases = {"fedora"};
    to_azp = True;

    def get_docker_file(self,tmpdir):
        res = DockerFile(self.docker_parent);
        res.lines.append("RUN dnf install -y %s && dnf clean all"%(
            " ".join(sorted(self.pkgs))));
        return res;

# -------------------------------------------------------------------------

class APTEnvironment(Environment):
    is_deb = True;
    build_python = True;
    def get_docker_file(self,tmpdir):
        res = DockerFile(self.docker_parent);
        res.lines.append("RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends %s && apt-get clean && rm -rf /usr/share/doc/ /usr/lib/debug /var/lib/apt/lists/"%(
            " ".join(sorted(self.pkgs))));
        return res;

    def add_source_list(self,tmpdir,name,content):
        sld = os.path.join(tmpdir,"etc","apt","sources.list.d");
        if not os.path.isdir(sld):
            os.makedirs(sld);
        with open(os.path.join(sld,name),"w") as F:
            F.write(content + "\n");

    def fix_https(self,tmpdir):
        """The ubuntu image does not include ca-certificates, so if we want to use
        HTTPS disable certificate validation."""
        cfgd = os.path.join(tmpdir,"etc","apt","apt.conf.d")
        if not os.path.isdir(cfgd):
            os.makedirs(cfgd)
        with open(os.path.join(cfgd,"01nossl"),"w") as F:
            F.write('Acquire::https { Verify-Peer "false"; };')

class xenial(APTEnvironment):
    docker_parent = "ubuntu:16.04"
    pkgs = {
        'build-essential',
        'cmake',
        'debhelper',
        'dh-systemd',
        'fakeroot', # for AZP
        'gcc',
        'libnl-3-dev',
        'libnl-route-3-dev',
        'libsystemd-dev',
        'libudev-dev',
        'make',
        'ninja-build',
        'pandoc',
        'pkg-config',
        'python3',
        'python3-docutils',
        'valgrind',
    };
    name = "ubuntu-16.04";
    aliases = {"xenial"};
    to_azp = True;

class bionic(APTEnvironment):
    docker_parent = "ubuntu:18.04"
    pkgs = xenial.pkgs | {
        'cython3',
        'python3-dev',
    };
    name = "ubuntu-18.04";
    aliases = {"bionic", "ubuntu"};
    to_azp = True

class focal(APTEnvironment):
    docker_parent = "ubuntu:20.04"
    pkgs = bionic.pkgs | {
        'dh-python',
    }
    name = "ubuntu-20.04";
    aliases = {"focal", "ubuntu"};
    to_azp = True

class jammy(APTEnvironment):
    docker_parent = "ubuntu:22.04"
    pkgs = (bionic.pkgs ^ {"dh-systemd"}) | {
        'dh-python',
    }
    name = "ubuntu-22.04";
    aliases = {"jammy", "ubuntu"};

class jessie(APTEnvironment):
    docker_parent = "debian:8"
    pkgs = xenial.pkgs;
    name = "debian-8";
    aliases = {"jessie"};
    build_pyverbs = False;

class stretch(APTEnvironment):
    docker_parent = "debian:9"
    pkgs = bionic.pkgs;
    name = "debian-9";
    aliases = {"stretch"};

class bullseye(APTEnvironment):
    docker_parent = "debian:11"
    pkgs = {
        'build-essential',
        'cmake',
        'debhelper',
        'fakeroot', # for AZP
        'gcc',
        'libnl-3-dev',
        'libnl-route-3-dev',
        'libsystemd-dev',
        'libudev-dev',
        'make',
        'ninja-build',
        'pandoc',
        'pkg-config',
        'python3',
        'python3-docutils',
        'valgrind',
    };
    name = "debian-11";
    aliases = {"bullseye"};

class bullseye_i386(APTEnvironment):
    docker_parent = "debian:11"
    pkgs = bullseye.pkgs | {"nodejs"}
    name = "debian-11-i386";
    aliases = {"bullseye_i386"};
    docker_opts = ["--platform","linux/386"]
    to_azp = True

    def get_docker_file(self,tmpdir):
        res = json.loads(docker_cmd_str(args,"manifest","inspect",self.docker_parent))

        # Docker is somewhat obnoxious in how it handles the multi-platform
        # images since it does not store the manifest locally and thus
        # overwrites the local tag.  Figure out the tag we want by hash and
        # use it directly. Docker will cache this.
        for image in res["manifests"]:
            platform = image["platform"]
            if platform["architecture"] == "386" and platform["os"] == "linux":
                base = f"{self.docker_parent}@{image['digest']}"
                break
        else:
            raise RuntimeError("Docker manifest failed");
        res = DockerFile(base);
        res.lines.append("RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends %s && apt-get clean && rm -rf /usr/share/doc/ /usr/lib/debug /var/lib/apt/lists/"%(
            " ".join(sorted(self.pkgs))));
        res.lines.append('LABEL "com.azure.dev.pipelines.agent.handler.node.path"="/usr/bin/node"')
        return res;

class debian_experimental(APTEnvironment):
    docker_parent = "debian:experimental"
    pkgs = (stretch.pkgs ^ {"gcc"}) | {"gcc-9"};
    name = "debian-experimental";

    def get_docker_file(self,tmpdir):
        res = DockerFile(self.docker_parent);
        res.lines.append("RUN apt-get update && apt-get -t experimental install -y --no-install-recommends %s && apt-get clean"%(
            " ".join(sorted(self.pkgs))));
        return res;

# -------------------------------------------------------------------------

class ZypperEnvironment(Environment):
    proxy = False;
    is_rpm = True;
    def get_docker_file(self,tmpdir):
        res = DockerFile(self.docker_parent);
        res.lines.append("RUN zypper --non-interactive refresh");
        res.lines.append("RUN zypper --non-interactive dist-upgrade");
        res.lines.append("RUN zypper --non-interactive install %s"%(
            " ".join(sorted(self.pkgs))));
        return res;

class leap(ZypperEnvironment):
    docker_parent = "opensuse/leap:16.0";
    specfile = "suse/rdma-core.spec";
    pkgs = {
        'cmake',
        'gcc',
        'libnl3-devel',
        'libudev-devel',
        'udev',
        'make',
        'ninja',
        'pandoc',
        'pkg-config',
        'python3',
        'rpm-build',
        'systemd-devel',
        'valgrind-devel',
        'python3-Cython',
        'python3-devel',
        'python3-docutils',
    };
    rpmbuild_options = [ "--without=curlmini" ];
    to_azp = True;
    name = "opensuse-16.0";
    aliases = {"leap"};

class tumbleweed(ZypperEnvironment):
    docker_parent = "opensuse/tumbleweed:latest";
    pkgs = (leap.pkgs ^ {"valgrind-devel"}) | {
        "valgrind-client-headers",
        "perl"
    };
    name = "tumbleweed";
    specfile = "suse/rdma-core.spec";
    rpmbuild_options = [ "--without=curlmini" ];

# -------------------------------------------------------------------------

class azure_pipelines(APTEnvironment):
    docker_parent = "ubuntu:22.04"
    pkgs = {
        "abi-compliance-checker",
        "abi-dumper",
        "ca-certificates",
        "clang-15",
        "cmake",
        "cython3",
        "debhelper",
        "dh-python",
        "dpkg-dev",
        "fakeroot",
        "gcc-12",
        "git",
        "libc6-dev",
        "libnl-3-dev",
        "libnl-route-3-dev",
        "libsystemd-dev",
        "libudev-dev",
        "lintian",
        "make",
        "ninja-build",
        "pandoc",
        "pkg-config",
        "python3",
        "python3-dev",
        "python3-docutils",
        "python3-pkg-resources",
        "python3-yaml",
        "sparse",
        "valgrind",
    } | {
        # ARM 64 cross compiler
        "gcc-12-aarch64-linux-gnu",
        "libgcc-12-dev:arm64",
        "libc6-dev:arm64",
        "libnl-3-dev:arm64",
        "libnl-route-3-dev:arm64",
        "libsystemd-dev:arm64",
        "libudev-dev:arm64",
    } | {
        # PPC 64 cross compiler
        "gcc-12-powerpc64le-linux-gnu",
        "libgcc-12-dev:ppc64el",
        "libc6-dev:ppc64el",
        "libnl-3-dev:ppc64el",
        "libnl-route-3-dev:ppc64el",
        "libsystemd-dev:ppc64el",
        "libudev-dev:ppc64el",
    }
    to_azp = True;
    name = "azure_pipelines";
    aliases = {"azp"}

    llvm_sources = """
Types: deb
URIs: http://apt.llvm.org/jammy/
Suites: llvm-toolchain-jammy-15
Components: main
Architectures: amd64
Signed-By:
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"""

    gcc12_sources = """
Types: deb
URIs: https://ppa.launchpadcontent.net/ubuntu-toolchain-r/test/ubuntu
Suites: jammy
Components: main
Architectures: amd64 arm64 ppc64el
Signed-By:
   -----BEGIN PGP PUBLIC KEY BLOCK-----
   .
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   BwMCBBUCCAMEFgIDAQIeAQIXgAAKCRAek3eiup7yfzGKA/4xzUqNACSlB+k+DxFF
   HqkwKa/ziFiAlkLQyyhm+iqz80htRZr7Ls/ZRYZl0aSU56/hLe0V+TviJ1s8qdN2
   lamkKdXIAFfavA04nOnTzyIBJ82EAUT3Nh45skMxo4z4iZMNmsyaQpNl/m/lNtOL
   hR64v5ZybofB2EWkMxUzX8D/FQ==
   =xe+/
   -----END PGP PUBLIC KEY BLOCK-----
"""

    ports_sources = """
Types: deb
URIS: http://ports.ubuntu.com
Suites: jammy jammy-security jammy-updates
Components: main universe
Architectures: arm64 ppc64el
"""

    amd64_sources = """
Types: deb
URIS: http://archive.ubuntu.com/ubuntu
Suites: jammy jammy-security jammy-updates
Components: main universe
Architectures: amd64
"""

    def get_docker_file(self,tmpdir):
        res = focal.get_docker_file(self,tmpdir);
        self.fix_https(tmpdir)

        self.add_source_list(tmpdir, "llvm.sources", self.llvm_sources)
        self.add_source_list(tmpdir,
                             "ubuntu-toolchain-r-ubuntu-test-jammy.sources",
                             self.gcc12_sources)
        self.add_source_list(tmpdir, "ports.sources", self.ports_sources)

        # Replace the main sources so we can limit the architecture
        self.add_source_list(tmpdir, "amd64.sources", self.amd64_sources)

        res.lines.insert(1,"ADD etc/ /etc/");
        res.lines.insert(1,"RUN rm /etc/apt/sources.list && "
                         "dpkg --add-architecture ppc64el && "
                         "dpkg --add-architecture arm64")
        return res;

# -------------------------------------------------------------------------

environments = [centos7(),
                centos7_epel(),
                centos8(),
                centos9(),
                amazonlinux2(),
                xenial(),
                bionic(),
                focal(),
                jammy(),
                jessie(),
                stretch(),
                fc44(),
                leap(),
                tumbleweed(),
                debian_experimental(),
                azure_pipelines(),
                bullseye(),
                bullseye_i386(),
];

class ToEnvActionPkg(argparse.Action):
    """argparse helper to parse environment lists into environment classes"""
    def __call__(self, parser, namespace, values, option_string=None):
        if not isinstance(values,list):
            values = [values];

        res = set();
        for I in values:
            if I == "all":
                for env in environments:
                    if env.name != "centos7_epel":
                        res.add(env);
            else:
                for env in environments:
                    if env.name == I or I in env.aliases:
                        res.add(env);
        setattr(namespace, self.dest, sorted(res,key=lambda x:x.name))


class ToEnvAction(argparse.Action):
    """argparse helper to parse environment lists into environment classes"""
    def __call__(self, parser, namespace, values, option_string=None):
        if not isinstance(values,list):
            values = [values];

        res = set();
        for I in values:
            if I == "all":
                res.update(environments);
            else:
                for env in environments:
                    if env.name == I or I in env.aliases:
                        res.add(env);
        setattr(namespace, self.dest, sorted(res,key=lambda x:x.name))

def env_choices_pkg():
    """All the names that can be used with ToEnvAction"""
    envs = set(("all",));
    for I in environments:
        if getattr(I,"is_deb",False) or getattr(I,"is_rpm",False):
                envs.add(I.name);
                envs.update(I.aliases);
    return envs;

def env_choices():
    """All the names that can be used with ToEnvAction"""
    envs = set(("all",));
    for I in environments:
        envs.add(I.name);
        envs.update(I.aliases);
    return envs;

def docker_cmd(env,*cmd):
    """Invoke docker"""
    cmd = list(cmd);
    if env.sudo:
        return subprocess.check_call(["sudo","docker"] + cmd);
    return subprocess.check_call(["docker"] + cmd);

def docker_cmd_str(env,*cmd):
    """Invoke docker"""
    cmd = list(cmd);
    if env.sudo:
        return subprocess.check_output(["sudo","docker"] + cmd).decode();
    return subprocess.check_output(["docker"] + cmd).decode();

@contextmanager
def private_tmp(args):
    """Simple version of Python 3's tempfile.TemporaryDirectory"""
    dfn = tempfile.mkdtemp();
    try:
        yield dfn;
    finally:
        try:
            shutil.rmtree(dfn);
        except:
            # The debian builds result in root owned files because we don't use fakeroot
            subprocess.check_call(['sudo','rm','-rf',dfn]);

@contextmanager
def inDirectory(dir):
    cdir = os.getcwd();
    try:
        os.chdir(dir);
        yield True;
    finally:
        os.chdir(cdir);

def map_git_args(src_root,to):
    """Return a list of docker arguments that will map the .git directory into the
    container"""
    git_dir = subprocess.check_output([
        "git",
        "-C", src_root,
        "rev-parse",
        "--absolute-git-dir",
    ]).decode().strip()
    if ".git/worktrees" in git_dir:
        with open(os.path.join(git_dir, "commondir")) as F:
            git_dir = os.path.join(git_dir, F.read().strip())
        git_dir = os.path.abspath(git_dir)
        res = ["-v", "%s:%s:ro" % (os.path.join(src_root, ".git"), os.path.join(to, ".git")),
               "-v", "%s:%s:ro" % (git_dir, git_dir)]
    else:
        res = ["-v", "%s:%s:ro" % (git_dir, os.path.join(to, ".git"))]

    alternates = os.path.join(git_dir, "objects/info/alternates")
    if os.path.exists(alternates):
        with open(alternates) as F:
            for I in F.readlines():
                I = os.path.normpath(I.strip())
                res.extend(["-v","%s:%s:ro"%(I,I)]);

    return res;

def get_image_id(args,image_name):
    img = json.loads(docker_cmd_str(args,"inspect",image_name));
    image_id = img[0]["Id"];
    # Newer dockers put a prefix
    if ":" in image_id:
        image_id = image_id.partition(':')[2];
    return image_id;

# -------------------------------------------------------------------------

def get_tar_file(args,tarfn,pandoc_prebuilt=False):
    """Create a tar file that matches what buildlib/github-release would do if it
    was a tagged release"""
    prefix = "%s-%s/"%(project,get_version());
    if not pandoc_prebuilt:
        subprocess.check_call(["git","archive",
                               # This must match the prefix generated buildlib/github-release
                               "--prefix",prefix,
                               "--output",tarfn,
                               "HEAD"]);
        return;

    # When the OS does not support pandoc we got through the extra step to
    # build pandoc output in the azp container and include it in the
    # tar.
    if not args.use_prebuilt_pandoc:
        subprocess.check_call(["buildlib/cbuild","make","azure_pipelines","docs"]);

    cmd_make_dist_tar(argparse.Namespace(BUILD="build-azure_pipelines",tarfn=tarfn,
                                         script_pwd="",tag=None));

def run_rpm_build(args,spec_file,env):
    with open(spec_file,"r") as F:
        for ln in F:
            if ln.startswith("Version:"):
                ver = ln.strip().partition(' ')[2].strip();
                assert(ver == get_version());

            if ln.startswith("Source:"):
                tarfn = ln.strip().partition(' ')[2].strip();

    image_id = get_image_id(args,env.image_name());
    with private_tmp(args) as tmpdir:
        os.mkdir(os.path.join(tmpdir,"SOURCES"));
        os.mkdir(os.path.join(tmpdir,"tmp"));

        get_tar_file(args,os.path.join(tmpdir,"SOURCES",tarfn),
                     pandoc_prebuilt=not env.pandoc);

        with open(spec_file,"r") as inF:
            spec = list(inF);
        tspec_file = os.path.basename(spec_file);
        with open(os.path.join(tmpdir,tspec_file),"w") as outF:
            outF.write("".join(spec));

        home = os.path.join(os.path.sep,"home",os.getenv("LOGNAME"));
        vdir = os.path.join(home,"rpmbuild");

        opts = [
            "run",
            "--rm=true",
            "-v","%s:%s"%(tmpdir,vdir),
            "-w",vdir,
            "-h","builder-%s"%(image_id[:12]),
            "-e","HOME=%s"%(home),
            "-e","TMPDIR=%s"%(os.path.join(vdir,"tmp")),
        ];

        # rpmbuild complains if we do not have an entry in passwd and group
        # for the user we are going to use to do the build.
        with open(os.path.join(tmpdir,"go.py"),"w") as F:
            print("""
import os,subprocess;
with open("/etc/passwd","a") as F:
   F.write({passwd!r} + "\\n");
with open("/etc/group","a") as F:
   F.write({group!r} + "\\n");
os.setgid({gid:d});
os.setuid({uid:d});

# Get RPM to tell us the expected tar filename.
for ln in subprocess.check_output(["rpmspec","-P",{tspec_file!r}]).splitlines():
    if ln.startswith(b"Source:"):
        tarfn = ln.strip().partition(b' ')[2].strip();
if tarfn != {tarfn!r}:
    os.symlink({tarfn!r},os.path.join(b"SOURCES",tarfn));
""".format(passwd=":".join(str(I) for I in pwd.getpwuid(os.getuid())),
           group=":".join(str(I) for I in grp.getgrgid(os.getgid())),
           uid=os.getuid(),
           gid=os.getgid(),
           tarfn=tarfn,
           tspec_file=tspec_file), file=F);

            extra_opts = getattr(env,"rpmbuild_options", [])
            bopts = ["-bb",tspec_file] + extra_opts;
            for arg in args.with_flags:
                bopts.extend(["--with", arg]);
            for arg in args.without_flags:
                bopts.extend(["--without", arg]);
            if "pyverbs" not in args.with_flags + args.without_flags:
                if env.build_pyverbs:
                    bopts.extend(["--with", "pyverbs"]);

            print('os.execlp("rpmbuild","rpmbuild",%s)'%(
                ",".join(repr(I) for I in bopts)), file=F);

        if args.run_shell:
            opts.append("-ti");
        opts.append(env.image_name());

        if args.run_shell:
            opts.append("/bin/bash");
        else:
            opts.extend([env.python_cmd,"go.py"]);

        docker_cmd(args,*opts)

        print()
        for path,jnk,files in os.walk(os.path.join(tmpdir,"RPMS")):
            for I in files:
                print("Final RPM: ",os.path.join("..",I));
                shutil.move(os.path.join(path,I),
                            os.path.join("..",I));

def run_deb_build(args,env):
    image_id = get_image_id(args,env.image_name());
    with private_tmp(args) as tmpdir:
        os.mkdir(os.path.join(tmpdir,"src"));
        os.mkdir(os.path.join(tmpdir,"tmp"));

        opwd = os.getcwd();
        with inDirectory(os.path.join(tmpdir,"src")):
            subprocess.check_call(["git",
                                   "--git-dir",os.path.join(opwd,".git"),
                                   "reset","--hard","HEAD"]);

        home = os.path.join(os.path.sep,"home",os.getenv("LOGNAME"));

        opts = [
            "run",
            "--read-only",
            "--rm=true",
            "-v","%s:%s"%(tmpdir,home),
            "-w",os.path.join(home,"src"),
            "-h","builder-%s"%(image_id[:12]),
            "-e","HOME=%s"%(home),
            "-e","TMPDIR=%s"%(os.path.join(home,"tmp")),
            "-e","DEB_BUILD_OPTIONS=parallel=%u"%(multiprocessing.cpu_count()),
        ];

        # Create a go.py that will let us run the compilation as the user and
        # then switch to root only for the packaging step.
        with open(os.path.join(tmpdir,"go.py"),"w") as F:
            print("""
import subprocess,os;
def to_user():
   os.setgid({gid:d});
   os.setuid({uid:d});
subprocess.check_call(["debian/rules","debian/rules","build"],
            preexec_fn=to_user);
subprocess.check_call(["debian/rules","debian/rules","binary"]);
""".format(uid=os.getuid(),
           gid=os.getgid()), file=F);

        if args.run_shell:
            opts.append("-ti");
        opts.append(env.image_name());

        if args.run_shell:
            opts.append("/bin/bash");
        else:
            opts.extend(["python3",os.path.join(home,"go.py")]);

        docker_cmd(args,*opts);

        print()
        for I in os.listdir(tmpdir):
            if I.endswith(".deb"):
                print("Final DEB: ",os.path.join("..",I));
                shutil.move(os.path.join(tmpdir,I),
                            os.path.join("..",I));

def copy_abi_files(src):
    """Retrieve the current ABI files and place them in the source tree."""
    if not os.path.isdir(src):
        return;

    for path,jnk,files in os.walk(src):
        for I in files:
            if not I.startswith("current-"):
                continue;

            ref_fn = os.path.join("ABI",I[8:]);
            cur_fn = os.path.join(src, path, I);

            if os.path.isfile(ref_fn) and filecmp.cmp(ref_fn,cur_fn,False):
                continue;

            print("Changed ABI File: ", ref_fn);
            shutil.copy(cur_fn, ref_fn);

def run_azp_build(args,env):
    # Load the commands from the pipelines file
    with open("buildlib/azure-pipelines.yml") as F:
        azp = yaml.safe_load(F);
    for bst in azp["stages"]:
        if bst["stage"] == "Build":
            break;
    else:
        raise ValueError("No Build stage found");
    for job in bst["jobs"]:
        if job["job"] == "Compile":
            break;
    else:
        raise ValueError("No Compile job found");

    script = ["#!/bin/bash"]
    workdir = "/__w/1"
    srcdir = os.path.join(workdir,"s");
    for I in job["steps"]:
        script.append("echo ===================================");
        script.append("echo %s"%(I["displayName"]));
        script.append("cd %s"%(srcdir));
        if "bash" in I:
            script.append(I["bash"]);
        elif I.get("task") == "PythonScript@0":
            script.append("set -e");
            if "workingDirectory" in I["inputs"]:
                script.append("cd %s"%(os.path.join(srcdir,I["inputs"]["workingDirectory"])));
            script.append("%s %s %s"%(I["inputs"]["pythonInterpreter"],
                                      os.path.join(srcdir,I["inputs"]["scriptPath"]),
                                      I["inputs"].get("arguments","")));
        else:
            raise ValueError("Unknown stanza %r"%(I));

    with private_tmp(args) as tmpdir:
        os.mkdir(os.path.join(tmpdir,"s"));
        os.mkdir(os.path.join(tmpdir,"tmp"));

        opwd = os.getcwd();
        with inDirectory(os.path.join(tmpdir,"s")):
            subprocess.check_call(["git",
                                   "--git-dir",os.path.join(opwd,".git"),
                                   "reset","--hard","HEAD"]);
            subprocess.check_call(["git",
                                   "--git-dir",os.path.join(opwd,".git"),
                                   "fetch",
                                   "--no-tags",
                                   "https://github.com/linux-rdma/rdma-core.git","HEAD",
                                   "master"]);
            base = subprocess.check_output(["git",
                                            "--git-dir",os.path.join(opwd,".git"),
                                            "merge-base",
                                            "HEAD","FETCH_HEAD"]).decode().strip();

        opts = [
            "run",
            "--read-only",
            "--rm=true",
            "-v","%s:%s"%(tmpdir, workdir),
            "-w",srcdir,
            "-u",str(os.getuid()),
            "-e","SYSTEM_PULLREQUEST_SOURCECOMMITID=HEAD",
            # azp puts the branch name 'master' here, we need to put a commit ID..
            "-e","SYSTEM_PULLREQUEST_TARGETBRANCH=%s"%(base),
            "-e","HOME=%s"%(workdir),
            "-e","TMPDIR=%s"%(os.path.join(workdir,"tmp")),
        ] + map_git_args(opwd,srcdir);

        if args.run_shell:
            opts.append("-ti");
        opts.append(env.image_name());

        with open(os.path.join(tmpdir,"go.sh"),"w") as F:
            F.write("\n".join(script))

        if args.run_shell:
            opts.append("/bin/bash");
        else:
            opts.extend(["/bin/bash",os.path.join(workdir,"go.sh")]);

        try:
            docker_cmd(args,*opts);
        except subprocess.CalledProcessError as e:
            copy_abi_files(os.path.join(tmpdir, "s/ABI"));
            raise;
        copy_abi_files(os.path.join(tmpdir, "s/ABI"));

def args_pkg(parser):
    parser.add_argument("ENV",action=ToEnvActionPkg,choices=env_choices_pkg());
    parser.add_argument("--run-shell",default=False,action="store_true",
                        help="Instead of running the build, enter a shell");
    parser.add_argument("--use-prebuilt-pandoc",default=False,action="store_true",
                        help="Do not rebuild the pandoc cache in build-azure_pipelines/pandoc-prebuilt/");
    parser.add_argument("--with", default=[],action="append", dest="with_flags",
                        help="Enable specified feature in RPM builds");
    parser.add_argument("--without", default=[],action="append", dest="without_flags",
                        help="Disable specified feature in RPM builds");
def cmd_pkg(args):
    """Build a package in the given environment."""
    for env in args.ENV:
        if env.name == "azure_pipelines":
            run_azp_build(args,env);
        elif getattr(env,"is_deb",False):
            run_deb_build(args,env);
        elif getattr(env,"is_rpm",False):
            run_rpm_build(args,
                          getattr(env,"specfile","%s.spec"%(project)),
                          env);
        else:
            print("%s does not support packaging"%(env.name));

# -------------------------------------------------------------------------

def args_make(parser):
    parser.add_argument("--run-shell",default=False,action="store_true",
                        help="Instead of running the build, enter a shell");
    parser.add_argument("ENV",action=ToEnvAction,choices=env_choices());
    parser.add_argument('ARGS', nargs=argparse.REMAINDER);
def cmd_make(args):
    """Run cmake and ninja within a docker container. If cmake has not yet been
    run then this runs it with the given environment variables, then invokes ninja.
    Otherwise ninja is invoked without calling cmake."""
    SRC = os.getcwd();

    for env in args.ENV:
        BUILD = "build-%s"%(env.name)
        if not os.path.exists(BUILD):
            os.mkdir(BUILD);

        home = os.path.join(os.path.sep,"home",os.getenv("LOGNAME"));

        dirs = [os.getcwd(),"/tmp"];
        # Import the symlink target too if BUILD is a symlink
        BUILD_r = os.path.realpath(BUILD);
        if not BUILD_r.startswith(os.path.realpath(SRC)):
            dirs.append(BUILD_r);

        cmake_args = []
        if not env.build_pyverbs:
            cmake_args.extend(["-DNO_PYVERBS=1"]);

        cmake_envs = []
        ninja_args = []
        for I in args.ARGS:
            if I.startswith("-D"):
                cmake_args.append(I);
            elif I.find('=') != -1:
                cmake_envs.append(I);
            else:
                ninja_args.append(I);
        if env.use_make:
            need_cmake = not os.path.exists(os.path.join(BUILD_r,"Makefile"));
        else:
            need_cmake = not os.path.exists(os.path.join(BUILD_r,"build.ninja"));
        opts = ["run",
                "--read-only",
                "--rm=true",
                "-ti",
                "-u",str(os.getuid()),
                "-e","HOME=%s"%(home),
                "-w",BUILD_r,
        ];
        opts.extend(env.docker_opts)
        for I in dirs:
            opts.append("-v");
            opts.append("%s:%s"%(I,I));
        for I in cmake_envs:
            opts.append("-e");
            opts.append(I);
        if args.run_shell:
            opts.append("-ti");
        opts.append(env.image_name());

        if args.run_shell:
            os.execlp("sudo","sudo","docker",*(opts + ["/bin/bash"]));

        if need_cmake:
            if env.use_make:
                prog_args = ["cmake",SRC] + cmake_args;
            else:
                prog_args = ["cmake","-GNinja",SRC] + cmake_args;
            docker_cmd(args,*(opts + prog_args));

        if env.use_make:
            prog_args = ["make","-C",BUILD_r] + ninja_args;
        else:
            prog_args = [getattr(env,"ninja_cmd","ninja"),
                         "-C",BUILD_r] + ninja_args;

        if len(args.ENV) <= 1:
            os.execlp("sudo","sudo","docker",*(opts + prog_args));
        else:
            docker_cmd(args,*(opts + prog_args));

# -------------------------------------------------------------------------

def get_build_args(args,env):
    """Return extra docker arguments for building. This is the system APT proxy."""
    res = [];
    if args.pull:
        res.append("--pull");

    if env.proxy and os.path.exists("/etc/apt/apt.conf.d/01proxy"):
        # The line in this file must be 'Acquire::http { Proxy "http://xxxx:3142"; };'
        with open("/etc/apt/apt.conf.d/01proxy") as F:
            proxy = F.read().strip().split('"')[1];
            res.append("--build-arg");
            res.append('http_proxy=%s'%(proxy));
    return res;

def args_build_images(parser):
    parser.add_argument("ENV",nargs="+",action=ToEnvAction,choices=env_choices());
    parser.add_argument("--no-pull",default=True,action="store_false",
                        dest="pull",
                        help="Instead of running the build, enter a shell");
def cmd_build_images(args):
    """Run from the top level source directory to make the docker images that are
    needed for building. This only needs to be run once."""
    # Docker copies the permissions from the local host and we need this umask
    # to be 022 or the container breaks
    os.umask(0o22)
    for env in args.ENV:
        with private_tmp(args) as tmpdir:
            df = env.get_docker_file(tmpdir);
            fn = os.path.join(tmpdir,"Dockerfile");
            with open(fn,"wt") as F:
                for ln in df.lines:
                    print(ln, file=F);
            opts = (["build"] +
                    get_build_args(args,env) +
                    env.docker_opts +
                    ["-f",fn,
                     "-t",env.image_name(),
                     tmpdir]);
            print(opts)
            docker_cmd(args,*opts);

# -------------------------------------------------------------------------

def args_push_azp_images(args):
    pass
def cmd_push_azp_images(args):
    """Push the images required for Azure Pipelines to the container
    registry. Must have done 'az login' first"""
    subprocess.check_call(["sudo","az","acr","login","--name","ucfconsort"]);
    with private_tmp(args) as tmpdir:
        nfn = os.path.join(tmpdir,"build.ninja");
        with open(nfn,"w") as F:
            F.write("""rule push
            command = docker push $img
            description=Push $img\n""");

            for env in environments:
                name = env.image_name()
                if "ucfconsort.azurecr.io" not in name:
                    continue
                F.write("build push_%s : push\n   img = %s\n"%(env.name,env.image_name()));
                F.write("default push_%s\n"%(env.name));
        subprocess.check_call(["sudo","ninja"],cwd=tmpdir);

# -------------------------------------------------------------------------
def args_make_dist_tar(parser):
    parser.add_argument("BUILD",help="Path to the build directory")
    parser.add_argument("--tarfn",help="Output TAR filename")
    parser.add_argument("--tag",help="git tag to sanity check against")
def cmd_make_dist_tar(args):
    """Make the standard distribution tar. The BUILD argument must point to a build
    output directory that has pandoc-prebuilt"""
    ver = get_version();

    if not args.tarfn:
        args.tarfn = "%s-%s.tar.gz"%(project,ver)

    # The tag name and the cmake file must match.
    if args.tag:
        assert args.tag == "v" + ver;

    os.umask(0o22)
    with private_tmp(args) as tmpdir:
        tmp_tarfn = os.path.join(tmpdir,"tmp.tar");

        prefix = "%s-%s/"%(project,get_version());
        subprocess.check_call(["git","archive",
                               "--prefix",prefix,
                               "--output",tmp_tarfn,
                               "HEAD"]);

        # Mangle the paths and append the prebuilt stuff to the tar file
        if args.BUILD:
            subprocess.check_call([
                "tar",
                "-C",os.path.join(args.script_pwd,args.BUILD,"pandoc-prebuilt"),
                "-rf",tmp_tarfn,
                "./",
                "--xform",r"s|^\.|%sbuildlib/pandoc-prebuilt|g"%(prefix)]);

        assert args.tarfn.endswith(".gz") or args.tarfn.endswith(".tgz");
        with open(os.path.join(args.script_pwd,args.tarfn),"w") as F:
            subprocess.check_call(["gzip","-9c",tmp_tarfn],stdout=F);

# -------------------------------------------------------------------------

if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='Operate docker for building this package')
    subparsers = parser.add_subparsers(title="Sub Commands",dest="command");
    subparsers.required = True;

    funcs = globals();
    for k,v in list(funcs.items()):
        if k.startswith("cmd_") and inspect.isfunction(v):
            sparser = subparsers.add_parser(k[4:].replace('_','-'),
                                            help=v.__doc__);
            sparser.required = True;
            funcs["args_" + k[4:]](sparser);
            sparser.set_defaults(func=v);

    try:
        import argcomplete;
        argcomplete.autocomplete(parser);
    except ImportError:
        pass;

    args = parser.parse_args();
    args.sudo = True;

    # This script must always run from the top of the git tree, and a git
    # checkout is mandatory.
    git_top = subprocess.check_output(["git","rev-parse","--show-toplevel"]).strip();
    args.script_pwd = os.getcwd();
    os.chdir(git_top);

    args.func(args);