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hammer.py
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#!/usr/bin/env python3
# Copyright (C) 2018-2025 Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# pylint: disable=broad-exception-caught
"""Hammer - Kea development environment management tool."""
from __future__ import print_function
import os
import pathlib
import random
import re
import sys
import glob
import time
import json
import logging
import datetime
import platform
import binascii
import argparse
import textwrap
import functools
import grp
import pwd
import getpass
import urllib.request
from urllib.parse import urljoin
# [B404:blacklist] Consider possible security implications associated with subprocess module.
import subprocess # nosec B404
# Issue: [B405:blacklist] Using xml.etree.ElementTree to parse untrusted XML data is known to be vulnerable to XML
# attacks. Replace xml.etree.ElementTree with the equivalent defusedxml package, or make sure
# defusedxml.defuse_stdlib() is called.
import xml.etree.ElementTree as ET # nosec B405
# SYSTEMS = {
# 'os': {
# 'version': True if supported else False,
# ...
# },
# ...
# }
SYSTEMS = {
'fedora': {
'27': False,
'28': False,
'29': False,
'30': False,
'31': False,
'32': False,
'33': False,
'34': False,
'35': False,
'36': False,
'37': False,
'38': False,
'39': False,
'40': True,
'41': True,
},
'centos': {
'7': False,
'8': False,
'9': False,
},
'rhel': {
'8': True,
'9': True,
},
'rocky': {
'9': True,
},
'ubuntu': {
'16.04': False,
'18.04': False,
'18.10': False,
'19.04': False,
'19.10': False,
'20.04': True,
'20.10': False,
'21.04': False,
'22.04': True,
'24.04': True,
},
'debian': {
'8': False,
'9': False,
'10': False,
'11': True,
'12': True,
},
'freebsd': {
'11.2': False,
'11.4': False,
'12.0': False,
'12.1': False,
'13.0': False,
'14.0': True,
},
'alpine': {
'3.10': False,
'3.11': False,
'3.12': False,
'3.13': False,
'3.14': False,
'3.15': False,
'3.16': False,
'3.17': False,
'3.18': True,
'3.19': True,
'3.20': True,
'3.21': True,
},
'arch': {},
}
IMAGE_TEMPLATES = {
# fedora
'fedora-27-lxc': {'bare': 'lxc-fedora-27', 'kea': 'godfryd/kea-fedora-27'},
'fedora-27-virtualbox': {'bare': 'generic/fedora27', 'kea': 'godfryd/kea-fedora-27'},
'fedora-28-lxc': {'bare': 'godfryd/lxc-fedora-28', 'kea': 'godfryd/kea-fedora-28'},
'fedora-28-virtualbox': {'bare': 'generic/fedora28', 'kea': 'godfryd/kea-fedora-28'},
'fedora-29-lxc': {'bare': 'godfryd/lxc-fedora-29', 'kea': 'godfryd/kea-fedora-29'},
'fedora-29-virtualbox': {'bare': 'generic/fedora29', 'kea': 'godfryd/kea-fedora-29'},
'fedora-30-lxc': {'bare': 'godfryd/lxc-fedora-30', 'kea': 'godfryd/kea-fedora-30'},
'fedora-30-virtualbox': {'bare': 'generic/fedora30', 'kea': 'godfryd/kea-fedora-30'},
'fedora-31-lxc': {'bare': 'isc/lxc-fedora-31', 'kea': 'isc/kea-fedora-31'},
'fedora-31-virtualbox': {'bare': 'isc/vbox-fedora-31', 'kea': 'isc/kea-fedora-31'},
'fedora-32-lxc': {'bare': 'isc/lxc-fedora-32', 'kea': 'isc/kea-fedora-32'},
'fedora-33-lxc': {'bare': 'isc/lxc-fedora-33', 'kea': 'isc/kea-fedora-33'},
'fedora-34-lxc': {'bare': 'isc/lxc-fedora-34', 'kea': 'isc/kea-fedora-34'},
'fedora-35-lxc': {'bare': 'isc/lxc-fedora-35', 'kea': 'isc/kea-fedora-35'},
'fedora-36-lxc': {'bare': 'isc/lxc-fedora-36', 'kea': 'isc/kea-fedora-36'},
'fedora-37-lxc': {'bare': 'isc/lxc-fedora-37', 'kea': 'isc/kea-fedora-37'},
# centos
'centos-7-lxc': {'bare': 'isc/lxc-centos-7', 'kea': 'isc/kea-centos-7'},
'centos-7-virtualbox': {'bare': 'generic/centos7', 'kea': 'godfryd/kea-centos-7'},
'centos-8-lxc': {'bare': 'isc/lxc-centos-8', 'kea': 'isc/kea-centos-8'},
'centos-8-virtualbox': {'bare': 'generic/centos8', 'kea': 'isc/kea-centos-8'},
# rhel
'rhel-8-virtualbox': {'bare': 'generic/rhel8', 'kea': 'generic/rhel8'},
# ubuntu
'ubuntu-16.04-lxc': {'bare': 'godfryd/lxc-ubuntu-16.04', 'kea': 'godfryd/kea-ubuntu-16.04'},
'ubuntu-16.04-virtualbox': {'bare': 'ubuntu/xenial64', 'kea': 'godfryd/kea-ubuntu-16.04'},
'ubuntu-18.04-lxc': {'bare': 'isc/lxc-ubuntu-18.04', 'kea': 'isc/kea-ubuntu-18.04'},
'ubuntu-18.04-virtualbox': {'bare': 'ubuntu/bionic64', 'kea': 'godfryd/kea-ubuntu-18.04'},
'ubuntu-18.10-lxc': {'bare': 'godfryd/lxc-ubuntu-18.10', 'kea': 'godfryd/kea-ubuntu-18.10'},
'ubuntu-18.10-virtualbox': {'bare': 'ubuntu/cosmic64', 'kea': 'godfryd/kea-ubuntu-18.10'},
'ubuntu-19.04-lxc': {'bare': 'godfryd/lxc-ubuntu-19.04', 'kea': 'godfryd/kea-ubuntu-19.04'},
'ubuntu-19.04-virtualbox': {'bare': 'ubuntu/disco64', 'kea': 'godfryd/kea-ubuntu-19.04'},
'ubuntu-19.10-lxc': {'bare': 'isc/lxc-ubuntu-19.10', 'kea': 'isc/kea-ubuntu-19.10'},
'ubuntu-19.10-virtualbox': {'bare': 'generic/ubuntu1910', 'kea': 'isc/kea-ubuntu-19.10'},
'ubuntu-20.04-lxc': {'bare': 'isc/lxc-ubuntu-20.04', 'kea': 'isc/kea-ubuntu-20.04'},
'ubuntu-20.10-lxc': {'bare': 'isc/lxc-ubuntu-20.10', 'kea': 'isc/kea-ubuntu-20.10'},
'ubuntu-21.04-lxc': {'bare': 'isc/lxc-ubuntu-21.04', 'kea': 'isc/kea-ubuntu-21.04'},
'ubuntu-22.04-lxc': {'bare': 'isc/lxc-ubuntu-22.04', 'kea': 'isc/lxc-ubuntu-22.04'},
# debian
'debian-8-lxc': {'bare': 'godfryd/lxc-debian-8', 'kea': 'godfryd/kea-debian-8'},
'debian-8-virtualbox': {'bare': 'debian/jessie64', 'kea': 'godfryd/kea-debian-8'},
'debian-9-lxc': {'bare': 'isc/lxc-debian-9', 'kea': 'isc/kea-debian-9'},
'debian-9-virtualbox': {'bare': 'debian/stretch64', 'kea': 'godfryd/kea-debian-9'},
'debian-10-lxc': {'bare': 'isc/lxc-debian-10', 'kea': 'isc/kea-debian-10'},
'debian-10-virtualbox': {'bare': 'debian/buster64', 'kea': 'godfryd/kea-debian-10'},
'debian-11-lxc': {'bare': 'isc/lxc-debian-11', 'kea': 'isc/kea-debian-11'},
'debian-12-lxc': {'bare': 'isc/lxc-debian-12', 'kea': 'isc/kea-debian-12'},
# freebsd
'freebsd-11.2-virtualbox': {'bare': 'generic/freebsd11', 'kea': 'godfryd/kea-freebsd-11.2'},
'freebsd-12.0-virtualbox': {'bare': 'generic/freebsd12', 'kea': 'godfryd/kea-freebsd-12.0'},
'freebsd-13.0-virtualbox': {'bare': 'isc/vbox-freebsd-13.0', 'kea': 'isc/kea-freebsd-13.0'},
# alpine
'alpine-3.10-lxc': {'bare': 'godfryd/lxc-alpine-3.10', 'kea': 'godfryd/kea-alpine-3.10'},
'alpine-3.11-lxc': {'bare': 'isc/lxc-alpine-3.11', 'kea': 'isc/kea-alpine-3.11'},
'alpine-3.12-lxc': {'bare': 'isc/lxc-alpine-3.12', 'kea': 'isc/kea-alpine-3.12'},
'alpine-3.13-lxc': {'bare': 'isc/lxc-alpine-3.13', 'kea': 'isc/kea-alpine-3.13'},
'alpine-3.14-lxc': {'bare': 'isc/lxc-alpine-3.14', 'kea': 'isc/kea-alpine-3.14'},
'alpine-3.15-lxc': {'bare': 'isc/lxc-alpine-3.15', 'kea': 'isc/kea-alpine-3.15'},
'alpine-3.16-lxc': {'bare': 'isc/lxc-alpine-3.16', 'kea': 'isc/kea-alpine-3.16'},
'alpine-3.17-lxc': {'bare': 'isc/lxc-alpine-3.17', 'kea': 'isc/kea-alpine-3.17'},
}
# NOTES
# ** Alpine **
# 1. Extracting rootfs is failing:
# It requires commenting out checking if rootfs has been extracted as it checks for file /bin/true which is a link.
# Comment out in ~/.vagrant.d/gems/2.X.Y/gems/vagrant-lxc-1.4.3/scripts/lxc-template near 'Failed to extract rootfs'
LXC_VAGRANTFILE_TPL = """# -*- mode: ruby -*-
# vi: set ft=ruby :
ENV["LC_ALL"] = "C"
Vagrant.configure("2") do |config|
{hostname}
config.vm.box = "{image_tpl}"
{box_version}
config.vm.provider "lxc" do |lxc|
lxc.container_name = "{name}"
lxc.customize 'rootfs.path', "/var/lib/lxc/{name}/rootfs"
end
config.vm.synced_folder '.', '/vagrant', disabled: true
config.vm.synced_folder '{ccache_dir}', '/ccache'
end
"""
VBOX_VAGRANTFILE_TPL = """# -*- mode: ruby -*-
# vi: set ft=ruby :
ENV["LC_ALL"] = "C"
Vagrant.configure("2") do |config|
config.vm.hostname = "{name}"
config.vm.box = "{image_tpl}"
{box_version}
config.vm.provider "virtualbox" do |v|
v.name = "{name}"
v.memory = 8192
nproc = Etc.nprocessors
if nproc > 8
nproc -= 2
elsif nproc > 1
nproc -= 1
end
v.cpus = nproc
end
config.vm.synced_folder '.', '/vagrant', disabled: true
end
"""
RECOMMENDED_VAGRANT_VERSION = '2.2.16'
log = logging.getLogger()
def red(txt):
"""Return colorized (if the terminal supports it) or plain text."""
if sys.stdout.isatty():
return '\033[1;31m%s\033[0;0m' % txt
return txt
def green(txt):
"""Return colorized (if the terminal supports it) or plain text."""
if sys.stdout.isatty():
return '\033[0;32m%s\033[0;0m' % txt
return txt
def blue(txt):
"""Return colorized (if the terminal supports it) or plain text."""
if sys.stdout.isatty():
return '\033[0;34m%s\033[0;0m' % txt
return txt
def get_system_revision():
"""Return tuple containing system name and its revision."""
system = platform.system()
revision = 'unknown'
if system == 'Linux':
system, revision = None, None
if not os.path.exists('/etc/os-release'):
raise UnexpectedError('/etc/os-release does not exist. Cannot determine system or its revision.')
vals = {}
with open('/etc/os-release', encoding='utf-8') as f:
for line in f.readlines():
if '=' in line:
key, val = line.split('=', 1)
vals[key.strip()] = val.strip().replace('"', '')
for i in ['ID', 'ID_LIKE']:
if i in vals:
system_candidates = vals[i].strip('"').split()
for system_candidate in system_candidates:
if system_candidate in SYSTEMS:
system = system_candidate
break
else:
continue
break
if system is None:
raise UnexpectedError('cannot determine system')
for i in ['VERSION_ID', 'BUILD_ID']:
if i in vals:
revision = vals[i]
break
if revision is None:
raise UnexpectedError('cannot determine revision')
if system in ['alpine', 'rhel', 'rocky']:
revision = revision.rsplit('.', 1)[0]
elif system == 'FreeBSD':
system = system.lower()
revision = platform.release()
if '"' in revision:
revision = revision.replace('"', '')
if '"' in system:
system = system.replace('"', '')
system = system.lower()
return system, revision
class ExecutionError(Exception):
"""Exception thrown when execution encountered an error."""
class UnexpectedError(Exception):
"""Exception thrown when an unexpected error occurred that hammer does not know how to recover from."""
def execute(cmd, timeout=60, cwd=None, env=None, raise_error=True, dry_run=False, log_file_path=None,
quiet=False, check_times=False, capture=False, interactive=False, attempts=1,
sleep_time_after_attempt=None, super_quiet=False):
"""Execute a command in shell.
:param str cmd: a command to be executed
:param int timeout: timeout in number of seconds, after that time the command is terminated
but only if check_times is True
:param str cwd: current working directory for the command
:param dict env: dictionary with environment variables
:param bool raise_error: if False then in case of error exception is not raised,
default: True ie exception is raise
:param bool dry_run: if True then the command is not executed
:param str log_file_path: if provided then all traces from the command are stored in indicated file
:param bool quiet: if True then the command's traces are not printed to stdout
:param bool check_times: if True then timeout is taken into account
:param bool capture: if True then the command's traces are captured and returned by the function
:param bool interactive: if True then stdin and stdout are not redirected, traces handling is disabled,
used for e.g. SSH
:param int attempts: number of attempts to run the command if it fails
:param int sleep_time_after_attempt: number of seconds to sleep before taking next attempt
:param bool super_quiet: if True, set quiet to True and don't log command
"""
if super_quiet:
quiet = True
if cwd and "~/" in cwd:
# replace relative home directory
cwd = cwd.replace('~', os.environ['HOME'])
if not super_quiet:
log.info('>>>>> Executing %s in %s', cmd, cwd if cwd else os.getcwd())
if not check_times:
timeout = None
if dry_run:
return 0
if 'sudo' in cmd and env:
# if sudo is used and env is overridden then to preserve env add -E to sudo
cmd = cmd.replace('sudo', 'sudo -E')
log_file = None
if log_file_path:
with open(log_file_path, "wb", encoding='utf-8') as file:
log_file = file.read()
exitcode = 1
output = ''
for attempt in range(attempts):
if interactive:
# Issue: [B602:subprocess_popen_with_shell_equals_true] subprocess call with shell=True identified,
# security issue.
with subprocess.Popen(cmd, cwd=cwd, env=env, shell=True) as pipe: # nosec: B602
pipe.communicate()
exitcode = pipe.returncode
else:
# Issue: [B602:subprocess_popen_with_shell_equals_true] subprocess call with shell=True identified,
# security issue.
with subprocess.Popen(cmd, cwd=cwd, env=env, shell=True, # nosec: B602
stdout=subprocess.PIPE, stderr=subprocess.STDOUT) as pipe:
try:
if timeout is not None:
pipe.wait(timeout)
stdout, _ = pipe.communicate()
if stdout is not None:
output += stdout.decode('utf-8')
except subprocess.TimeoutExpired as e:
pipe.kill()
stdout2, _ = pipe.communicate()
if stdout2 is not None:
output += stdout2.decode('utf-8')
raise ExecutionError(f'Execution timeout: {e}, cmd: {cmd}') from e
exitcode = pipe.returncode
if not quiet:
print(output)
if log_file is not None:
log_file.write(stdout)
if exitcode == 0:
break
if attempt < attempts - 1:
txt = 'command failed, retry, attempt %d/%d' % (attempt, attempts)
if log_file is not None:
txt_to_file = '\n\n[HAMMER] %s\n\n\n' % txt
log_file.write(txt_to_file.encode('ascii'))
log.info(txt)
if sleep_time_after_attempt:
time.sleep(sleep_time_after_attempt)
if log_file is not None:
log_file.close()
if exitcode != 0 and raise_error:
if capture and quiet:
log.error(output)
raise ExecutionError("The command return non-zero exitcode %s, cmd: '%s'" % (exitcode, cmd))
if capture:
return exitcode, output.strip()
return exitcode
def wait_for_process_to_start(process_name):
for _ in range(10):
exit_code = execute(f'sudo pidof {process_name}', raise_error=False)
if exit_code == 0:
# Process is there.
break
time.sleep(1)
def wait_for_process_to_exit(process_name):
for _ in range(100):
exit_code = execute(f'sudo pidof {process_name}', raise_error=False)
if exit_code != 0:
# Process exited or there was no process to begin with.
break
time.sleep(1)
def _append_to_file(file_name, line):
with open(file_name, encoding='utf-8', mode='a') as f:
f.write(line + '\n')
def replace_in_file(file_name, pattern, replacement):
with open(file_name, 'r', encoding='utf-8') as file:
content = file.read()
content = re.sub(pattern, replacement, content)
with open(file_name, 'w', encoding='utf-8') as file:
file.write(content)
def install_meson(python_v: str = 'python3', mode: str = 'pyinstaller'):
""" Install meson with pyinstaller or venv.
Pyinstaller is needed as opposed to venv to overcome package building errors such as:
venv/bin/python3 is needed by isc-kea-admin-2.7.7-isc20250320085254.el9.x86_64
:param python_v: python executable
:type python_v: str
:param mode: whether installation is through pyinstaller or plain venv
:type mode: str
"""
exit_code = execute('meson --version', quiet=True, raise_error=False)
if exit_code == 0:
return
execute('sudo rm -fr .meson-src')
execute(f'sudo {python_v} -m venv /usr/local/share/.venv')
execute('sudo /usr/local/share/.venv/bin/pip install --upgrade pip setuptools wheel')
execute('sudo /usr/local/share/.venv/bin/pip install ninja')
if mode == 'pyinstaller':
execute('git clone https://github.com/mesonbuild/meson .meson-src')
# TODO: always checkout when 1.8.0 gets released.
_, output = execute('git tag -l', cwd='.meson-src', capture=True, quiet=True)
if '1.8.0' in output.splitlines():
execute('git checkout 1.8.0', cwd='.meson-src')
execute('sudo /usr/local/share/.venv/bin/pip install pyinstaller')
execute('sudo /usr/local/share/.venv/bin/pyinstaller --additional-hooks-dir=packaging --clean '
'--dist ../.meson --onefile ./meson.py',
cwd='.meson-src')
execute('sudo cp .meson/meson /usr/local/bin')
execute('sudo cp /usr/local/share/.venv/bin/ninja /usr/local/bin')
elif mode == 'venv':
# TODO: change to this when 1.8.0 gets released.
# execute('/usr/local/share/.venv/bin/pip install meson==1.8.0')
execute('sudo /usr/local/share/.venv/bin/pip install git+https://github.com/mesonbuild/meson.git')
execute('sudo ln -s /usr/local/share/.venv/bin/meson /usr/local/bin/meson')
execute('sudo ln -s /usr/local/share/.venv/bin/ninja /usr/local/bin/ninja')
else:
raise UnexpectedError(f'Unknown mode in install_meson(mode={mode})')
execute('sudo rm -fr .meson-src')
def install_sphinx(python_v: str = 'python3'):
""" Install sphinx with pyinstaller.
:param python_v: python executable
:type python_v: str
"""
exit_code = execute('sphinx-build --version', quiet=True, raise_error=False)
if exit_code == 0:
return
execute(f'{python_v} -m venv .venv')
execute('.venv/bin/pip install --upgrade pip')
execute('.venv/bin/pip install pyinstaller')
execute('.venv/bin/pip install sphinx')
execute('.venv/bin/pip install sphinx_rtd_theme')
execute('.venv/bin/pyinstaller --clean --collect-all sphinx_rtd_theme --collect-all sphinxcontrib --clean '
'--onefile .venv/bin/sphinx-build')
execute('sudo cp dist/sphinx-build /usr/local/bin')
def _prepare_installed_packages_cache_for_debs():
pkg_cache = {}
_, out = execute("dpkg -l", timeout=15, capture=True, quiet=True)
for line in out.splitlines():
line = line.strip()
m = re.search(r'^([^\s]+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)\s+(.+)', line)
if not m:
continue
status, name, version, arch, descr = m.groups()
name = name.split(':')[0]
pkg_cache[name] = {
'status': status,
'version': version,
'arch': arch,
'descr': descr,
}
return pkg_cache
def _prepare_installed_packages_cache_for_rpms():
pkg_cache = {}
_, out = execute("rpm -qa --qf '%{NAME}\\n'", timeout=15, capture=True, quiet=True)
for line in out.splitlines():
name = line.strip()
pkg_cache[name] = {'status': 'ii'}
return pkg_cache
def _prepare_installed_packages_cache_for_alpine():
pkg_cache = {}
_, out = execute("apk list -I\\n'", timeout=15, capture=True, quiet=True)
for line in out.splitlines():
name = line.strip()
pkg_cache[name] = {'status': 'ii'}
return pkg_cache
def install_pkgs(pkgs, timeout=60, env=None, check_times=False, pkg_cache=None):
"""Install native packages in a system.
:param dict pkgs: specifies a list of packages to be installed
:param int timeout: timeout in number of seconds, after that time the command
is terminated but only if check_times is True
:param dict env: dictionary with environment variables (optional)
:param bool check_times: specifies if timeouts should be enabled (optional)
"""
system, revision = get_system_revision()
if not isinstance(pkgs, list):
pkgs = pkgs.split()
if pkg_cache is None:
pkg_cache = {}
# prepare cache if needed
if not pkg_cache and system in ['centos', 'rhel', 'fedora', 'debian', 'ubuntu',
'rocky']: # , 'alpine']: # TODO: complete caching support for alpine
if system in ['centos', 'rhel', 'fedora', 'rocky']:
pkg_cache.update(_prepare_installed_packages_cache_for_rpms())
elif system in ['debian', 'ubuntu']:
pkg_cache.update(_prepare_installed_packages_cache_for_debs())
elif system in ['alpine']:
pkg_cache.update(_prepare_installed_packages_cache_for_alpine())
# check if packages actually need to be installed
if pkg_cache:
pkgs_to_install = []
pkgs_installed = []
for pkg in pkgs:
if pkg not in pkg_cache or pkg_cache[pkg]['status'] != 'ii':
pkgs_to_install.append(pkg)
else:
pkgs_installed.append(pkg)
if pkgs_installed:
log.info('packages already installed: %s', ', '.join(pkgs_installed))
pkgs = pkgs_to_install
if not pkgs:
log.info('all packages already installed')
return
if system in ['centos', 'fedora', 'rhel', 'rocky']:
if system in ['centos', 'rhel'] and revision == '7':
execute('sudo yum install -y dnf')
cmd = 'sudo dnf -y install'
elif system in ['debian', 'ubuntu']:
# prepare the command for ubuntu/debian
if not env:
env = os.environ.copy()
env['DEBIAN_FRONTEND'] = 'noninteractive'
cmd = 'sudo apt install --no-install-recommends -y'
elif system == 'freebsd':
cmd = 'sudo pkg install --no-repo-update --yes'
elif system == 'alpine':
cmd = 'sudo apk add'
elif system == 'arch':
cmd = 'sudo pacman -S --needed --noconfirm --overwrite \'*\''
else:
raise NotImplementedError('no implementation for %s' % system)
pkgs = ' '.join(pkgs)
cmd += ' ' + pkgs
execute(cmd, timeout=timeout, env=env, check_times=check_times, attempts=3, sleep_time_after_attempt=10)
def get_image_template(key, variant):
if key not in IMAGE_TEMPLATES:
print('ERROR: Image {} is not available.'.format(key), file=sys.stderr)
sys.exit(1)
if variant not in IMAGE_TEMPLATES[key]:
print('ERROR: Variant {} is not available for image {}.'.format(variant, key), file=sys.stderr)
sys.exit(1)
return IMAGE_TEMPLATES[key][variant]
def _get_full_repo_url(repository_url, system, revision):
if not repository_url:
return None
repo_name = 'kea-%s-%s' % (system, revision)
repo_url = urljoin(repository_url, 'repository')
repo_url += '/%s/' % repo_name
return repo_url
class VagrantEnv():
"""Helper class that makes interacting with Vagrant easier.
It creates Vagrantfile according to specified system. It exposes basic Vagrant functions
like up, upload, destroy, ssh. It also provides more complex function for preparing system
for Kea build and building Kea.
"""
def __init__(self, provider, system, revision, features, image_template_variant,
dry_run, quiet=False, check_times=False, ccache_dir=None):
"""VagrantEnv initializer.
:param str provider: indicate backend type: virtualbox or lxc
:param str system: name of the system eg. ubuntu
:param str revision: revision of the system e.g. 18.04
:param list features: list of requested features
:param str image_template_variant: variant of images' templates: bare or kea
:param bool dry_run: if False then system commands are not really executed
:param bool quiet: if True then commands will not trace to stdout
:param bool check_times: if True then commands will be terminated after given timeout
"""
self.provider = provider
self.system = system
self.revision = revision
self.features = features
self.dry_run = dry_run
self.quiet = quiet
self.check_times = check_times
# set properly later
self.features_arg = None
self.nofeatures_arg = None
self.python = None
self.key = key = "%s-%s-%s" % (system, revision, provider)
self.image_tpl = get_image_template(key, image_template_variant)
self.repo_dir = os.getcwd()
sys_dir = "%s-%s" % (system, revision)
if provider == "virtualbox":
self.vagrant_dir = os.path.join(self.repo_dir, 'hammer', sys_dir, 'vbox')
elif provider == "lxc":
self.vagrant_dir = os.path.join(self.repo_dir, 'hammer', sys_dir, 'lxc')
if ccache_dir is None:
self.ccache_dir = '/'
self.ccache_enabled = False
else:
self.ccache_dir = ccache_dir
self.ccache_enabled = True
self.init_files()
def init_files(self):
if not os.path.exists(self.vagrant_dir):
os.makedirs(self.vagrant_dir)
vagrantfile_path = os.path.join(self.vagrant_dir, "Vagrantfile")
crc = binascii.crc32(self.vagrant_dir.encode())
self.name = "hmr-%s-%s-kea-srv-%08d" % (self.system, self.revision.replace('.', '-'), crc)
if '/' in self.image_tpl:
self.latest_version = self._get_latest_cloud_version()
box_version = 'config.vm.box_version = "%s"' % self.latest_version
else:
self.latest_version = None
box_version = ""
# alpine has a problem with setting hostname so skip it
if self.system == 'alpine':
hostname = ''
else:
hostname = 'config.vm.hostname = "%s"' % self.name
if self.provider == "virtualbox":
vagrantfile_tpl = VBOX_VAGRANTFILE_TPL
elif self.provider == "lxc":
vagrantfile_tpl = LXC_VAGRANTFILE_TPL
else:
raise UnexpectedError('Unknown vagrantfile_tpl')
vagrantfile = vagrantfile_tpl.format(image_tpl=self.image_tpl,
name=self.name,
ccache_dir=self.ccache_dir,
box_version=box_version,
hostname=hostname)
with open(vagrantfile_path, "w", encoding='utf-8') as f:
f.write(vagrantfile)
log.info('Prepared vagrant system %s in %s', self.name, self.vagrant_dir)
def up(self):
"""Do Vagrant up."""
exitcode, out = execute("vagrant up --no-provision --provider %s" % self.provider,
cwd=self.vagrant_dir, timeout=15 * 60, dry_run=self.dry_run,
capture=True, raise_error=False)
if exitcode != 0:
if 'There is container on your system' in out and 'lxc-destroy' in out:
m = re.search(r'`lxc-destroy.*?`', out)
if m:
# destroy some old container
cmd = m.group(0)[1:-1]
cmd = 'sudo ' + cmd + ' -f'
execute(cmd, timeout=60)
# try again spinning up new
execute("vagrant up --no-provision --provider %s" % self.provider,
cwd=self.vagrant_dir, timeout=15 * 60, dry_run=self.dry_run)
return
raise ExecutionError('There is a problem with putting up a system')
def _get_cloud_meta(self, image_tpl=None):
if '/' not in self.image_tpl:
return {}
url = 'https://app.vagrantup.com/api/v1/box/' + (image_tpl if image_tpl else self.image_tpl)
try:
# Issue: [B310:blacklist] Audit url open for permitted schemes.
# Allowing use of file:/ or custom schemes is often unexpected.
# Reason for nosec: it is clearly a https link.
with urllib.request.urlopen(url) as response: # nosec B310
data = response.read()
except Exception as e:
log.exception('ignored exception: %s', e)
return {}
data = json.loads(data)
return data
def _get_local_meta(self):
meta_file = os.path.join(self.vagrant_dir, '.vagrant/machines/default', self.provider, 'box_meta')
if not os.path.exists(meta_file):
return {}
with open(meta_file, encoding='utf-8') as f:
data = f.read()
data = json.loads(data)
return data
def _get_latest_cloud_version(self, image_tpl=None):
cloud_meta = self._get_cloud_meta(image_tpl)
if not cloud_meta and 'versions' not in cloud_meta:
return 0
latest_version = 0
for ver in cloud_meta['versions']:
provider_found = False
for p in ver['providers']:
if p['name'] == self.provider:
provider_found = True
break
if provider_found:
try:
v = int(ver['number'])
except ValueError:
return ver['number']
if v > latest_version:
latest_version = v
return latest_version
def get_status(self):
"""Return system status.
Status can be: 'not created', 'running', 'stopped', etc.
"""
if not os.path.exists(self.vagrant_dir):
return "not created"
_, out = execute("vagrant status", cwd=self.vagrant_dir, timeout=15, capture=True, quiet=True)
m = re.search(r'default\s+(.+)\(', out)
if not m:
raise UnexpectedError('cannot get status in:\n%s' % out)
return m.group(1).strip()
def bring_up_latest_box(self):
if self.get_status() == 'running':
self.reload()
else:
self.up()
def reload(self):
"""Do Vagrant reload."""
execute("vagrant reload --no-provision --force",
cwd=self.vagrant_dir, timeout=15 * 60, dry_run=self.dry_run)
def package(self):
"""Package Vagrant system into Vagrant box."""
execute('vagrant halt', cwd=self.vagrant_dir, dry_run=self.dry_run, raise_error=False, attempts=3)
box_path = os.path.join(self.vagrant_dir, 'kea-%s-%s.box' % (self.system, self.revision))
if os.path.exists(box_path):
os.unlink(box_path)
if self.provider == 'virtualbox':
cmd = "vagrant package --output %s" % box_path
execute(cmd, cwd=self.vagrant_dir, timeout=4 * 60, dry_run=self.dry_run)
elif self.provider == 'lxc':
lxc_box_dir = os.path.join(self.vagrant_dir, 'lxc-box')
if os.path.exists(lxc_box_dir):
execute('sudo rm -rf %s' % lxc_box_dir)
os.mkdir(lxc_box_dir)
lxc_container_path = os.path.join('/var/lib/lxc', self.name)
# add vagrant universal key to accepted keys
execute('sudo sh -c \'echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8ia'
'llvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ'
'6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTB'
'ckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6k'
'ivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmB'
'YSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYC'
'zRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key"'
'> %s/rootfs/home/vagrant/.ssh/authorized_keys\'' % lxc_container_path)
# reset machine-id
execute('sudo rm -f %s/rootfs/var/lib/dbus/machine-id' % lxc_container_path)
# execute('sudo truncate -s 0 %s/rootfs/etc/machine-id' % lxc_container_path)
execute('sudo rm -f %s/rootfs/etc/machine-id' % lxc_container_path)
# pack rootfs
cmd = 'sudo sh -c "'
cmd += 'cd %s '
cmd += '&& tar --numeric-owner --anchored --exclude=./rootfs/dev/log -czf %s/rootfs.tar.gz ./rootfs/*'
cmd += '"'
execute(cmd % (lxc_container_path, lxc_box_dir))
# copy lxc config from runtime container
execute('sudo cp %s/config %s/lxc-config' % (lxc_container_path, lxc_box_dir))
# remove mac address from eth0 - it should be dynamically assigned
execute("sudo sed -i'' '/lxc.net.0.hwaddr/d' %s/lxc-config" % lxc_box_dir)
# correct files ownership
execute('sudo chown `id -un`:`id -gn` *', cwd=lxc_box_dir)
# and other metadata
with open(os.path.join(lxc_box_dir, 'metadata.json'), 'w', encoding='utf-8') as f:
now = datetime.datetime.now()
f.write('{\n')
f.write(' "provider": "lxc",\n')
f.write(' "version": "1.0.0",\n')
f.write(' "built-on": "%s"\n' % now.strftime('%c'))
f.write('}\n')
# pack vagrant box with metadata and config
execute('tar -czf %s ./*' % box_path, cwd=lxc_box_dir)
execute('sudo rm -rf %s' % lxc_box_dir)
return box_path
def upload_to_cloud(self, box_path):
image_tpl = get_image_template(self.key, 'kea')
if '/' not in image_tpl:
return
latest_version = self._get_latest_cloud_version(image_tpl)
new_version = latest_version + 1
cmd = "vagrant cloud publish --no-private -f -r %s %s %s %s"
cmd = cmd % (image_tpl, new_version, self.provider, box_path)
execute(cmd, cwd=self.vagrant_dir, timeout=60 * 60)
def upload(self, src):
"""Upload src to Vagrant system, home folder."""
attempt = 4
exitcode = 1
while attempt > 0:
exitcode = execute('vagrant upload %s' % src, cwd=self.vagrant_dir, dry_run=self.dry_run, raise_error=False)
if exitcode == 0:
break
attempt -= 1
if exitcode != 0:
msg = 'cannot upload %s' % src
log.error(msg)
raise ExecutionError(msg)
def run_build_and_test(self, tarball_paths, jobs, pkg_version, pkg_isc_version, upload, repository_url):
"""Run build and unit tests inside Vagrant system."""
if self.dry_run:
return 0, 0
# prepare tarball if needed and upload it to vagrant system
name_ver = None
if tarball_paths is None:
execute('mkdir -p ~/.hammer-tmp')
name_ver = 'kea-%s' % pkg_version
cmd = 'tar --transform "flags=r;s|^|%s/|" --exclude hammer ' % name_ver
cmd += ' --exclude "*~" --exclude .git --exclude .libs '
cmd += ' --exclude .deps --exclude \'*.o\' --exclude \'*.lo\' '
cmd += ' -Jcvf ~/.hammer-tmp/%s.tar.xz .' % name_ver
execute(cmd)
tarball_paths = [f'~/.hammer-tmp/{name_ver}.tar.xz']
self.upload(tarball_paths)
execute('rm -rf ~/.hammer-tmp')
log_file_path = os.path.join(self.vagrant_dir, 'build.log')
log.info('Build log file stored to %s', log_file_path)
t0 = time.time()
# run build command
bld_cmd = "{python} hammer.py build -p local {features} {nofeatures} {check_times} {ccache}"
bld_cmd += " {tarball} {jobs} {pkg_version} {pkg_isc_version} {repository_url}"
bld_cmd = bld_cmd.format(python=self.python,
features=self.features_arg,
nofeatures=self.nofeatures_arg,
check_times='-i' if self.check_times else '',
ccache='--ccache-dir /ccache' if self.ccache_enabled else '',
tarball='-t ~/%s.tar.xz' % name_ver,
jobs='-j %d' % jobs,
pkg_version='--pkg-version %s' % pkg_version,
pkg_isc_version='--pkg-isc-version %s' % pkg_isc_version,
repository_url=('--repository-url %s' % repository_url) if repository_url else '')
timeout = _calculate_build_timeout(self.features) + 5 * 60
# executes hammer.py inside LXC container
self.execute(bld_cmd, timeout=timeout, log_file_path=log_file_path, quiet=self.quiet) # timeout: 40 minutes
ssh_cfg_path = self.dump_ssh_config()
if 'native-pkg' in self.features:
pkgs_dir = os.path.join(self.vagrant_dir, 'pkgs')
if os.path.exists(pkgs_dir):
execute('rm -rf %s' % pkgs_dir)
os.makedirs(pkgs_dir)
# copy results of _build_native_pkg
execute('scp -F %s -r default:~/kea-pkg/* .' % ssh_cfg_path, cwd=pkgs_dir)
file_ext = None
if upload:
repo_url = _get_full_repo_url(repository_url, self.system, self.revision)
if repo_url is None:
raise ValueError('repo_url is None')
upload_cmd = 'curl -v --netrc -f'
if self.system in ['ubuntu', 'debian']:
upload_cmd += ' -X POST -H "Content-Type: multipart/form-data" --data-binary "@%s" '
file_ext = 'deb' # include both '.deb' and '.ddeb' files
elif self.system in ['fedora', 'centos', 'rhel', 'rocky']: