Mercurial > hg
view contrib/automation/hgautomation/linux.py @ 48843:d953a42b157d
automation: run hg with python3
Python 2.7 support will go away soon. Let's use Python 3 as part of
the automation.
Differential Revision: https://phab.mercurial-scm.org/D12260
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Sat, 19 Feb 2022 18:04:49 -0700 |
parents | 0de5eefbe4b2 |
children | 5c8148cd7f13 |
line wrap: on
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# linux.py - Linux specific automation functionality # # Copyright 2019 Gregory Szorc <gregory.szorc@gmail.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. # no-check-code because Python 3 native. import os import pathlib import shlex import subprocess import tempfile from .ssh import exec_command # Linux distributions that are supported. DISTROS = { 'debian9', 'debian10', 'ubuntu18.04', 'ubuntu19.04', } INSTALL_PYTHONS = r''' PYENV2_VERSIONS="2.7.17 pypy2.7-7.2.0" PYENV3_VERSIONS="3.5.10 3.6.13 3.7.10 3.8.10 3.9.5 pypy3.5-7.0.0 pypy3.6-7.3.3 pypy3.7-7.3.3" git clone https://github.com/pyenv/pyenv.git /hgdev/pyenv pushd /hgdev/pyenv git checkout 328fd42c3a2fbf14ae46dae2021a087fe27ba7e2 popd export PYENV_ROOT="/hgdev/pyenv" export PATH="$PYENV_ROOT/bin:$PATH" # pip 19.2.3. PIP_SHA256=57e3643ff19f018f8a00dfaa6b7e4620e3c1a7a2171fd218425366ec006b3bfe wget -O get-pip.py --progress dot:mega https://github.com/pypa/get-pip/raw/309a56c5fd94bd1134053a541cb4657a4e47e09d/get-pip.py echo "${PIP_SHA256} get-pip.py" | sha256sum --check - VIRTUALENV_SHA256=f78d81b62d3147396ac33fc9d77579ddc42cc2a98dd9ea38886f616b33bc7fb2 VIRTUALENV_TARBALL=virtualenv-16.7.5.tar.gz wget -O ${VIRTUALENV_TARBALL} --progress dot:mega https://files.pythonhosted.org/packages/66/f0/6867af06d2e2f511e4e1d7094ff663acdebc4f15d4a0cb0fed1007395124/${VIRTUALENV_TARBALL} echo "${VIRTUALENV_SHA256} ${VIRTUALENV_TARBALL}" | sha256sum --check - for v in ${PYENV2_VERSIONS}; do pyenv install -v ${v} ${PYENV_ROOT}/versions/${v}/bin/python get-pip.py ${PYENV_ROOT}/versions/${v}/bin/pip install ${VIRTUALENV_TARBALL} ${PYENV_ROOT}/versions/${v}/bin/pip install -r /hgdev/requirements-py2.txt done for v in ${PYENV3_VERSIONS}; do pyenv install -v ${v} ${PYENV_ROOT}/versions/${v}/bin/python get-pip.py case ${v} in 3.5.*) REQUIREMENTS=requirements-py3.5.txt ;; pypy3.5*) REQUIREMENTS=requirements-py3.5.txt ;; *) REQUIREMENTS=requirements-py3.txt ;; esac ${PYENV_ROOT}/versions/${v}/bin/pip install -r /hgdev/${REQUIREMENTS} done pyenv global ${PYENV2_VERSIONS} ${PYENV3_VERSIONS} system '''.lstrip().replace( '\r\n', '\n' ) INSTALL_PYOXIDIZER = r''' PYOXIDIZER_VERSION=0.16.0 PYOXIDIZER_SHA256=8875471c270312fbb934007fd30f65f1904cc0f5da6188d61c90ed2129b9f9c1 PYOXIDIZER_URL=https://github.com/indygreg/PyOxidizer/releases/download/pyoxidizer%2F${PYOXIDIZER_VERSION}/pyoxidizer-${PYOXIDIZER_VERSION}-linux_x86_64.zip wget -O pyoxidizer.zip --progress dot:mega ${PYOXIDIZER_URL} echo "${PYOXIDIZER_SHA256} pyoxidizer.zip" | sha256sum --check - unzip pyoxidizer.zip chmod +x pyoxidizer sudo mv pyoxidizer /usr/local/bin/pyoxidizer ''' INSTALL_RUST = r''' RUSTUP_INIT_SHA256=a46fe67199b7bcbbde2dcbc23ae08db6f29883e260e23899a88b9073effc9076 wget -O rustup-init --progress dot:mega https://static.rust-lang.org/rustup/archive/1.18.3/x86_64-unknown-linux-gnu/rustup-init echo "${RUSTUP_INIT_SHA256} rustup-init" | sha256sum --check - chmod +x rustup-init sudo -H -u hg -g hg ./rustup-init -y sudo -H -u hg -g hg /home/hg/.cargo/bin/rustup install 1.41.1 1.52.0 sudo -H -u hg -g hg /home/hg/.cargo/bin/rustup component add clippy ''' BOOTSTRAP_VIRTUALENV = r''' /usr/bin/virtualenv /hgdev/venv-bootstrap HG_SHA256=35fc8ba5e0379c1b3affa2757e83fb0509e8ac314cbd9f1fd133cf265d16e49f HG_TARBALL=mercurial-5.1.1.tar.gz wget -O ${HG_TARBALL} --progress dot:mega https://www.mercurial-scm.org/release/${HG_TARBALL} echo "${HG_SHA256} ${HG_TARBALL}" | sha256sum --check - /hgdev/venv-bootstrap/bin/pip install ${HG_TARBALL} '''.lstrip().replace( '\r\n', '\n' ) BOOTSTRAP_DEBIAN = ( r''' #!/bin/bash set -ex DISTRO=`grep DISTRIB_ID /etc/lsb-release | awk -F= '{{print $2}}'` DEBIAN_VERSION=`cat /etc/debian_version` LSB_RELEASE=`lsb_release -cs` sudo /usr/sbin/groupadd hg sudo /usr/sbin/groupadd docker sudo /usr/sbin/useradd -g hg -G sudo,docker -d /home/hg -m -s /bin/bash hg sudo mkdir /home/hg/.ssh sudo cp ~/.ssh/authorized_keys /home/hg/.ssh/authorized_keys sudo chown -R hg:hg /home/hg/.ssh sudo chmod 700 /home/hg/.ssh sudo chmod 600 /home/hg/.ssh/authorized_keys cat << EOF | sudo tee /etc/sudoers.d/90-hg hg ALL=(ALL) NOPASSWD:ALL EOF sudo apt-get update sudo DEBIAN_FRONTEND=noninteractive apt-get -yq dist-upgrade # 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Need backports for clang-format-6.0 deb http://deb.debian.org/debian stretch-backports main EOF fi if [ "$LSB_RELEASE" = "stretch" -o "$LSB_RELEASE" = "buster" ]; then cat << EOF | sudo tee -a /etc/apt/sources.list # Sources are useful if we want to compile things locally. deb-src http://deb.debian.org/debian $LSB_RELEASE main deb-src http://security.debian.org/debian-security $LSB_RELEASE/updates main deb-src http://deb.debian.org/debian $LSB_RELEASE-updates main deb-src http://deb.debian.org/debian $LSB_RELEASE-backports main deb [arch=amd64] https://download.docker.com/linux/debian $LSB_RELEASE stable EOF elif [ "$DISTRO" = "Ubuntu" ]; then cat << EOF | sudo tee -a /etc/apt/sources.list deb [arch=amd64] https://download.docker.com/linux/ubuntu $LSB_RELEASE stable EOF fi sudo apt-get update PACKAGES="\ awscli \ btrfs-progs \ build-essential \ bzr \ clang-format-6.0 \ cvs \ darcs \ debhelper \ devscripts \ docker-ce \ dpkg-dev \ dstat \ emacs \ gettext \ git \ htop \ iotop \ jfsutils \ libbz2-dev \ libexpat1-dev \ libffi-dev \ libgdbm-dev \ liblzma-dev \ libncurses5-dev \ libnss3-dev \ libreadline-dev \ libsqlite3-dev \ libssl-dev \ netbase \ ntfs-3g \ nvme-cli \ pyflakes \ pyflakes3 \ pylint \ pylint3 \ python-all-dev \ python-dev \ python-docutils \ python-fuzzywuzzy \ python-pygments \ python-subversion \ python-vcr \ python3-boto3 \ python3-dev \ python3-docutils \ python3-fuzzywuzzy \ python3-pygments \ python3-vcr \ python3-venv \ rsync \ sqlite3 \ subversion \ tcl-dev \ tk-dev \ tla \ unzip \ uuid-dev \ vim \ virtualenv \ wget \ xfsprogs \ zip \ zlib1g-dev" if [ "LSB_RELEASE" = "stretch" ]; then PACKAGES="$PACKAGES linux-perf" elif [ "$DISTRO" = "Ubuntu" ]; then PACKAGES="$PACKAGES linux-tools-common" fi # Monotone only available in older releases. if [ "$LSB_RELEASE" = "stretch" -o "$LSB_RELEASE" = "xenial" ]; then PACKAGES="$PACKAGES monotone" fi sudo DEBIAN_FRONTEND=noninteractive apt-get -yq install --no-install-recommends $PACKAGES # Create clang-format symlink so test harness finds it. sudo update-alternatives --install /usr/bin/clang-format clang-format \ /usr/bin/clang-format-6.0 1000 sudo mkdir /hgdev # Will be normalized to hg:hg later. sudo chown `whoami` /hgdev {install_rust} {install_pyoxidizer} cp requirements-*.txt /hgdev/ # Disable the pip version check because it uses the network and can # be annoying. cat << EOF | sudo tee -a /etc/pip.conf [global] disable-pip-version-check = True EOF {install_pythons} {bootstrap_virtualenv} /hgdev/venv-bootstrap/bin/hg clone https://www.mercurial-scm.org/repo/hg /hgdev/src # Mark the repo as non-publishing. cat >> /hgdev/src/.hg/hgrc << EOF [phases] publish = false EOF sudo chown -R hg:hg /hgdev '''.lstrip() .format( install_rust=INSTALL_RUST, install_pyoxidizer=INSTALL_PYOXIDIZER, install_pythons=INSTALL_PYTHONS, bootstrap_virtualenv=BOOTSTRAP_VIRTUALENV, ) .replace('\r\n', '\n') ) # Prepares /hgdev for operations. PREPARE_HGDEV = ''' #!/bin/bash set -e FS=$1 ensure_device() { if [ -z "${DEVICE}" ]; then echo "could not find block device to format" exit 1 fi } # Determine device to partition for extra filesystem. # If only 1 volume is present, it will be the root volume and # should be /dev/nvme0. If multiple volumes are present, the # root volume could be nvme0 or nvme1. Use whichever one doesn't have # a partition. if [ -e /dev/nvme1n1 ]; then if [ -e /dev/nvme0n1p1 ]; then DEVICE=/dev/nvme1n1 else DEVICE=/dev/nvme0n1 fi else DEVICE= fi sudo mkdir /hgwork if [ "${FS}" != "default" -a "${FS}" != "tmpfs" ]; then ensure_device echo "creating ${FS} filesystem on ${DEVICE}" fi if [ "${FS}" = "default" ]; then : elif [ "${FS}" = "btrfs" ]; then sudo mkfs.btrfs ${DEVICE} sudo mount ${DEVICE} /hgwork elif [ "${FS}" = "ext3" ]; then # lazy_journal_init speeds up filesystem creation at the expense of # integrity if things crash. We are an ephemeral instance, so we don't # care about integrity. sudo mkfs.ext3 -E lazy_journal_init=1 ${DEVICE} sudo mount ${DEVICE} /hgwork elif [ "${FS}" = "ext4" ]; then sudo mkfs.ext4 -E lazy_journal_init=1 ${DEVICE} sudo mount ${DEVICE} /hgwork elif [ "${FS}" = "jfs" ]; then sudo mkfs.jfs ${DEVICE} sudo mount ${DEVICE} /hgwork elif [ "${FS}" = "tmpfs" ]; then echo "creating tmpfs volume in /hgwork" sudo mount -t tmpfs -o size=1024M tmpfs /hgwork elif [ "${FS}" = "xfs" ]; then sudo mkfs.xfs ${DEVICE} sudo mount ${DEVICE} /hgwork else echo "unsupported filesystem: ${FS}" exit 1 fi echo "/hgwork ready" sudo chown hg:hg /hgwork mkdir /hgwork/tmp chown hg:hg /hgwork/tmp rsync -a /hgdev/src /hgwork/ '''.lstrip().replace( '\r\n', '\n' ) HG_UPDATE_CLEAN = ''' set -ex HG=/hgdev/venv-bootstrap/bin/hg cd /hgwork/src ${HG} --config extensions.purge= purge --all ${HG} update -C $1 ${HG} log -r . '''.lstrip().replace( '\r\n', '\n' ) def prepare_exec_environment(ssh_client, filesystem='default'): """Prepare an EC2 instance to execute things. The AMI has an ``/hgdev`` bootstrapped with various Python installs and a clone of the Mercurial repo. In EC2, EBS volumes launched from snapshots have wonky performance behavior. Notably, blocks have to be copied on first access, which makes volume I/O extremely slow on fresh volumes. Furthermore, we may want to run operations, tests, etc on alternative filesystems so we examine behavior on different filesystems. This function is used to facilitate executing operations on alternate volumes. """ sftp = ssh_client.open_sftp() with sftp.open('/hgdev/prepare-hgdev', 'wb') as fh: fh.write(PREPARE_HGDEV) fh.chmod(0o0777) command = 'sudo /hgdev/prepare-hgdev %s' % filesystem chan, stdin, stdout = exec_command(ssh_client, command) stdin.close() for line in stdout: print(line, end='') res = chan.recv_exit_status() if res: raise Exception('non-0 exit code updating working directory; %d' % res) def synchronize_hg( source_path: pathlib.Path, ec2_instance, revision: str = None ): """Synchronize a local Mercurial source path to remote EC2 instance.""" with tempfile.TemporaryDirectory() as temp_dir: temp_dir = pathlib.Path(temp_dir) ssh_dir = temp_dir / '.ssh' ssh_dir.mkdir() ssh_dir.chmod(0o0700) public_ip = ec2_instance.public_ip_address ssh_config = ssh_dir / 'config' with ssh_config.open('w', encoding='utf-8') as fh: fh.write('Host %s\n' % public_ip) fh.write(' User hg\n') fh.write(' StrictHostKeyChecking no\n') fh.write(' UserKnownHostsFile %s\n' % (ssh_dir / 'known_hosts')) fh.write(' IdentityFile %s\n' % ec2_instance.ssh_private_key_path) if not (source_path / '.hg').is_dir(): raise Exception( '%s is not a Mercurial repository; synchronization ' 'not yet supported' % source_path ) env = dict(os.environ) env['HGPLAIN'] = '1' env['HGENCODING'] = 'utf-8' hg_bin = source_path / 'hg' res = subprocess.run( ['python3', str(hg_bin), 'log', '-r', revision, '-T', '{node}'], cwd=str(source_path), env=env, check=True, capture_output=True, ) full_revision = res.stdout.decode('ascii') args = [ 'python3', str(hg_bin), '--config', 'ui.ssh=ssh -F %s' % ssh_config, '--config', 'ui.remotecmd=/hgdev/venv-bootstrap/bin/hg', # Also ensure .hgtags changes are present so auto version # calculation works. 'push', '-f', '-r', full_revision, '-r', 'file(.hgtags)', 'ssh://%s//hgwork/src' % public_ip, ] res = subprocess.run(args, cwd=str(source_path), env=env) # Allow 1 (no-op) to not trigger error. if res.returncode not in (0, 1): res.check_returncode() # TODO support synchronizing dirty working directory. sftp = ec2_instance.ssh_client.open_sftp() with sftp.open('/hgdev/hgup', 'wb') as fh: fh.write(HG_UPDATE_CLEAN) fh.chmod(0o0700) chan, stdin, stdout = exec_command( ec2_instance.ssh_client, '/hgdev/hgup %s' % full_revision ) stdin.close() for line in stdout: print(line, end='') res = chan.recv_exit_status() if res: raise Exception( 'non-0 exit code updating working directory; %d' % res ) def run_tests(ssh_client, python_version, test_flags=None): """Run tests on a remote Linux machine via an SSH client.""" test_flags = test_flags or [] print('running tests') if python_version == 'system2': python = '/usr/bin/python2' elif python_version == 'system3': python = '/usr/bin/python3' elif python_version.startswith('pypy'): python = '/hgdev/pyenv/shims/%s' % python_version else: python = '/hgdev/pyenv/shims/python%s' % python_version test_flags = ' '.join(shlex.quote(a) for a in test_flags) command = ( '/bin/sh -c "export TMPDIR=/hgwork/tmp; ' 'cd /hgwork/src/tests && %s run-tests.py %s"' % (python, test_flags) ) chan, stdin, stdout = exec_command(ssh_client, command) stdin.close() for line in stdout: print(line, end='') return chan.recv_exit_status()