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hammer.py
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#!/usr/bin/env python3
# Copyright (C) 2018-2022 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/.
"""Hammer - Kea development environment management tool."""
from __future__ import print_function
import os
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 subprocess
import multiprocessing
import grp
import pwd
import getpass
try:
import urllib.request
except:
pass
try:
from urllib.parse import urljoin
except:
from urlparse import urljoin
import xml.etree.ElementTree as ET
SYSTEMS = {
'fedora': [
#'27', # EOLed
#'28', # EOLed
#'29', # EOLed
#'30', # EOLed
#'31', # EOLed
'32', # EOLed
'33', # EOLed
'34',
'35',
'36'
],
'centos': [
'7',
'8',
'9',
],
'rhel': [
'8',
'9',
],
'ubuntu': [
#'16.04',
'18.04',
#'18.10', # EOLed
#'19.04', # EOLed
#'19.10', # EOLed
'20.04',
'20.10',
'21.04',
'22.04',
],
'debian': [
#'8',
'9',
'10',
'11'
],
'freebsd': [
'11.2',
'11.4',
'12.0',
'12.1',
'13.0',
],
'alpine': [
#'3.10', # EOLed
#'3.11', # EOLed
#'3.12', # EOLed
'3.13',
'3.14',
'3.15',
'3.16',
],
'arch': []
}
# pylint: disable=C0326
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'},
# 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'},
# 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'},
}
# 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()
if system == 'Linux':
system, revision = None, None
try:
system, revision, _ = platform.dist() # pylint: disable=deprecated-method
if system == 'debian':
revision = revision.split('.')[0]
elif system == 'redhat':
system = 'rhel'
revision = revision[0]
elif system == 'centos':
revision = revision[0]
if not system or not revision:
raise Exception('fallback to /etc/os-release')
except:
if os.path.exists('/etc/os-release'):
vals = {}
with open('/etc/os-release') as f:
for l in f.readlines():
if '=' in l:
key, val = l.split('=', 1)
vals[key.strip()] = val.strip().replace('"', '')
for i in ['ID', 'ID_LIKE']:
if i in vals:
system_candidate=vals[i].strip('"')
if system_candidate in SYSTEMS:
system = system_candidate
break
if system is None:
raise Exception('cannot determine system')
for i in ['VERSION_ID', 'BUILD_ID']:
if i in vals:
revision = vals[i]
break
if revision is None:
raise Exception('cannot determine revision')
if system in ['alpine', 'rhel']:
revision = revision.rsplit('.', 1)[0]
else:
raise Exception('cannot determine system or its revision')
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."""
pass
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('~', execute('cd ~ && pwd', capture=True, super_quiet=True)[1].rstrip())
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')
if log_file_path:
log_file = open(log_file_path, "wb")
for attempt in range(attempts):
if interactive:
p = subprocess.Popen(cmd, cwd=cwd, env=env, shell=True)
exitcode = p.wait()
else:
p = subprocess.Popen(cmd, cwd=cwd, env=env, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
if capture:
output = ''
t0 = time.time()
t1 = time.time()
# repeat until process is running or timeout not occurred
while p.poll() is None and (timeout is None or t1 - t0 < timeout):
line = p.stdout.readline()
if line:
line_decoded = line.decode(encoding='ascii', errors='ignore').rstrip() + '\r'
if not quiet:
log.info(line_decoded)
if capture:
output += line_decoded
if log_file_path:
log_file.write(line)
t1 = time.time()
# If no exitcode yet, ie. process is still running then it means that timeout occurred.
# In such case terminate the process and raise an exception.
if p.poll() is None:
# kill using sudo to be able to kill other sudo commands
execute('sudo kill -s TERM %s' % p.pid)
time.sleep(5)
# if still running, kill harder
if p.poll() is None:
execute('sudo kill -s KILL %s' % p.pid)
msg = "Execution timeout, %d > %d seconds elapsed (start: %d, stop %d), cmd: '%s'"
msg = msg % (t1 - t0, timeout, t0, t1, cmd)
raise ExecutionError(msg)
exitcode = p.returncode
if exitcode == 0:
break
elif attempt < attempts - 1:
txt = 'command failed, retry, attempt %d/%d' % (attempt, attempts)
if log_file_path:
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_path:
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
return exitcode
def _append_to_file(file_name, line):
with open(file_name, encoding='utf-8', mode='a') as f:
f.write(line + '\n')
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('^([^\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] = dict(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] = dict(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] = dict(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']:#, 'alpine']: # TODO: complete caching support for alpine
if system in ['centos', 'rhel', 'fedora']:
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']:
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 -y'
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, pkg_version):
if not repository_url:
return None
repo_name = 'kea-%s-%s-%s' % (pkg_version.rsplit('.', 1)[0], system, revision)
repo_url = urljoin(repository_url, 'repository')
repo_url += '/%s-ci/' % repo_name
return repo_url
class VagrantEnv(object):
"""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 = 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
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") 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('`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:
with urllib.request.urlopen(url) as response:
data = response.read()
except:
log.exception('ignored exception')
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) 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:
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('default\s+(.+)\(', out)
if not m:
raise Exception('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 bash -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 bash -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') 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
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_path, 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
if not tarball_path:
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 += ' -zcf ~/.hammer-tmp/%s.tar.gz .' % name_ver
execute(cmd)
tarball_path = '~/.hammer-tmp/%s.tar.gz' % name_ver
self.upload(tarball_path)
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.gz' % 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)
if upload:
repo_url = _get_full_repo_url(repository_url, self.system, self.revision, pkg_version)
assert repo_url is not 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'
elif self.system in ['fedora', 'centos', 'rhel']:
upload_cmd += ' --upload-file %s '
file_ext = '.rpm'
elif self.system == 'alpine':
upload_cmd += ' --upload-file %s '
file_ext = ''
repo_url = urljoin(repo_url, '%s/v%s/x86_64/' % (pkg_isc_version, self.revision))
upload_cmd += ' ' + repo_url
for fn in os.listdir(pkgs_dir):
if file_ext and not fn.endswith(file_ext):
continue
fp = os.path.join(pkgs_dir, fn)
cmd = upload_cmd % fp
execute(cmd)
t1 = time.time()
dt = int(t1 - t0)
log.info('Build log file stored to %s', log_file_path)
log.info("")
log.info(">>>>>> Build time %s:%s", dt // 60, dt % 60)
log.info("")
# run unit tests if requested
total = 0
passed = 0
try:
if 'unittest' in self.features:
cmd = 'scp -F %s -r default:/home/vagrant/unit-test-results.json .' % ssh_cfg_path
execute(cmd, cwd=self.vagrant_dir)
results_file = os.path.join(self.vagrant_dir, 'unit-test-results.json')
if os.path.exists(results_file):
with open(results_file) as f:
txt = f.read()
results = json.loads(txt)
total = results['grand_total']
passed = results['grand_passed']
cmd = 'scp -F %s -r default:/home/vagrant/aggregated_tests.xml .' % ssh_cfg_path
execute(cmd, cwd=self.vagrant_dir)
except: # pylint: disable=bare-except
log.exception('ignored issue with parsing unit test results')
return total, passed
def destroy(self):
"""Remove the VM completely."""
if os.path.exists(self.vagrant_dir):
cmd = 'vagrant destroy --force'
execute(cmd, cwd=self.vagrant_dir, timeout=3 * 60, dry_run=self.dry_run) # timeout: 3 minutes
execute('rm -rf %s' % self.vagrant_dir)
def ssh(self):
"""Open interactive session to the VM."""
execute('vagrant ssh', cwd=self.vagrant_dir, timeout=None, dry_run=self.dry_run, interactive=True)
def dump_ssh_config(self):
"""Dump ssh config that allows getting into Vagrant system via SSH."""
ssh_cfg_path = os.path.join(self.vagrant_dir, 'ssh.cfg')
execute('vagrant ssh-config > %s' % ssh_cfg_path, cwd=self.vagrant_dir)
return ssh_cfg_path
def execute(self, cmd, timeout=None, raise_error=True, log_file_path=None, quiet=False, env=None,
attempts=1, sleep_time_after_attempt=None):
"""Execute provided command inside Vagrant system."""
if not env:
env = os.environ.copy()
env['LANGUAGE'] = env['LANG'] = env['LC_ALL'] = 'C'
return execute('vagrant ssh -c "%s"' % cmd, env=env, cwd=self.vagrant_dir, timeout=timeout,
raise_error=raise_error, dry_run=self.dry_run, log_file_path=log_file_path,
quiet=quiet, check_times=self.check_times,
attempts=attempts, sleep_time_after_attempt=sleep_time_after_attempt)
def prepare_system(self):
"""Prepare Vagrant system for building Kea."""
if self.features:
self.features_arg = '--with ' + ' '.join(self.features)
else:
self.features_arg = ''
nofeatures = set(DEFAULT_FEATURES) - self.features
if nofeatures:
self.nofeatures_arg = '--without ' + ' '.join(nofeatures)
else:
self.nofeatures_arg = ''
# install python3 on some systems
if self.system == 'centos':
if self.revision == '7':
self.execute("sudo yum remove -y python-devel")
self.execute("sudo yum install -y python36 rpm-build python3-virtualenv", attempts=3)
else:
self.execute("sudo dnf install -y python36 rpm-build python3-virtualenv", attempts=3)
elif self.system == 'freebsd':
if self.revision.startswith('13'):
self.execute("sudo pkg install -y python3", attempts=3)
# select proper python version for running Hammer inside Vagrant system
if self.system == 'freebsd':
if self.revision.startswith(('11', '12')):
self.python = 'python3.6'
else:
self.python = 'python3'
else:
self.python = 'python3'
# to get python in RHEL 8 beta it is required first register machine in RHEL account
if self.system == 'rhel' and self.revision == '8':
cmd = "sudo subscription-manager repos --list-enabled | grep rhel-8-for-x86_64-baseos-beta-rpms"
exitcode = self.execute(cmd, raise_error=False)
if exitcode != 0:
env = os.environ.copy()
with open(os.path.expanduser('~/rhel-creds.txt')) as f:
env['RHEL_USER'] = f.readline().strip()
env['RHEL_PASSWD'] = f.readline().strip()
self.execute('sudo subscription-manager register --user $RHEL_USER --password "$RHEL_PASSWD"', env=env)
self.execute("sudo subscription-manager refresh")
self.execute("sudo subscription-manager attach --pool 8a85f99a67cdc3e70167e45c85f47429")
self.execute("sudo subscription-manager repos --enable rhel-8-for-x86_64-baseos-beta-rpms")
self.execute("sudo dnf install -y python36")