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fabfile.py
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#!/usr/bin/env python
# coding: utf-8
# yc@2016/12/28
from fabric.api import run, env, sudo, put
from fabric.api import reboot as restart
from fabric.contrib.files import append, contains, comment, sed, exists
from distutils.version import LooseVersion as _V
env.use_ssh_config = True
env.colorize_errors = True
# wget max try
WGET_TRIES = 3
G = {}
def setup(*what):
'''
Fresh setup. Optional arguments: \
letsencrypt, nodejs, yarn, mysql, mongodb, redis, mariadb, solc, mono, go
'''
if what:
for name in what:
func = globals().get('_setup_%s' % name, None)
if func is None:
print 'No such task: %s' % name
else:
func()
return
_disable_ipv6()
_setup_aptget()
_setup_required()
_setup_env()
# _setup_optional()
def _disable_ipv6():
sysconf_no_ipv6 = [
'net.ipv6.conf.all.disable_ipv6 = 1',
'net.ipv6.conf.default.disable_ipv6 = 1',
'net.ipv6.conf.lo.disable_ipv6 = 1',
]
append('/etc/sysctl.conf', sysconf_no_ipv6, use_sudo=True)
sudo('sysctl -p')
def reboot():
'''
Restart a server.
'''
restart()
def _get_ubuntu_info():
# returns {release, codename, is_64bit}
if 'sysinfo' not in G:
G['sysinfo'] = {
'release': run("lsb_release -sr", shell=False).strip(),
'codename': run("lsb_release -sc", shell=False).strip(),
'x64': run('test -d /lib64', warn_only=True).succeeded,
}
return G['sysinfo']
def _setup_aptget():
sudo('apt-get update -yq && apt-get upgrade -yq')
def _setup_env():
sysinfo = _get_ubuntu_info()
# dotfiles
run(
'[ ! -f ~/.tmux.conf ] && { '
'git clone -b minimal --single-branch --recursive '
'https://github.com/ichuan/dotfiles.git '
"&& echo 'y' | bash dotfiles/bootstrap.sh; }",
warn_only=True
)
# UTC timezone
sudo('cp /usr/share/zoneinfo/UTC /etc/localtime', warn_only=True)
# limits.conf, max open files
_limits()
# rc.local after 15.04
# https://wiki.ubuntu.com/SystemdForUpstartUsers
if _V(sysinfo['release']) >= _V('15.04'):
_enable_rc_local()
# sysctl.conf
_sysctl()
# disable ubuntu upgrade check
sudo(
"sed -i 's/^Prompt.*/Prompt=never/' "
"/etc/update-manager/release-upgrades", warn_only=True
)
# douban pip config
run('mkdir -p ~/.pip', warn_only=True)
run(
r'echo -e "[global]\nindex-url = https://pypi.douban.com/simple\n'
r'trusted-host = pypi.douban.com" > ~/.pip/pip.conf'
)
def _limits():
sudo(
r'echo -e "* soft nofile 500000\n* hard nofile 500000'
r'\nroot soft nofile 500000\nroot hard nofile 500000"'
r' > /etc/security/limits.conf'
)
# https://underyx.me/2015/05/18/raising-the-maximum-number-of-file-descriptors
line = 'session required pam_limits.so'
for p in ('/etc/pam.d/common-session',
'/etc/pam.d/common-session-noninteractive'):
if exists(p) and not contains(p, line):
sudo('echo -e "%s" >> %s' % (line, p))
def _sysctl():
path = '/etc/sysctl.conf'
if not contains(path, 'vm.overcommit_memory = 1'):
sudo('echo -e "vm.overcommit_memory = 1" >> %s' % path)
if not contains(path, 'net.core.somaxconn = 65535'):
sudo('echo -e "net.core.somaxconn = 65535" >> %s' % path)
if not contains(path, 'fs.file-max = 6553560'):
sudo('echo -e "fs.file-max = 6553560" >> %s' % path)
def _setup_required():
# git and utils
sudo(
'apt-get install -yq git unzip curl wget tar sudo zip python-pip '
'python-virtualenv sqlite3 tmux ntp build-essential uwsgi gettext '
'uwsgi-plugin-python ack-grep htop python-setuptools'
)
# pillow reqs
sudo(
'apt-get install -yq libtiff5-dev libjpeg8-dev zlib1g-dev liblcms2-dev'
' libfreetype6-dev libwebp-dev tcl8.6-dev tk8.6-dev python-tk'
)
# add-apt-repository
sudo('apt-get install -yq software-properties-common', warn_only=True)
# letsencrypt
# _setup_letsencrypt()
# nodejs
# _setup_nodejs(sysinfo['x64'])
# yarnpkg
# _setup_yarn()
def _setup_optional():
_setup_mysql()
_setup_mongodb()
def _setup_letsencrypt():
# https://certbot.eff.org/
bin_name = '/usr/bin/certbot-auto'
sudo(
'wget https://dl.eff.org/certbot-auto -O %s --tries %s'
% (bin_name, WGET_TRIES),
warn_only=True
)
sudo('chmod +x %s' % bin_name)
path = run('echo $PATH')
print '-' * 56
print 'Usage:'
print ' new: certbot-auto -d example.com -d www.example.com --nginx'
print 'renew: certbot-auto renew --no-self-upgrade'
print 'Crontab:'
print (
'0 0 * * * PATH=%s %s renew -n --nginx --no-self-upgrade '
'>> /tmp/certbot.log 2>&1' % (path, bin_name)
)
print '-' * 56
def _setup_nodejs():
sysinfo = _get_ubuntu_info()
arch = 'x64' if sysinfo['x64'] else 'x86'
filename = run(
"curl -s https://nodejs.org/dist/latest/SHASUMS256.txt | "
"grep linux-%s.tar.xz | awk '{print $2}'" % arch,
shell=False
)
# already has?
if run(
'which node && test `node --version` = "%s"' % filename.split('-')[1],
warn_only=True
).succeeded:
print 'Already installed nodejs'
return
dist_url = 'https://nodejs.org/dist/latest/%s' % filename.strip()
run('wget -O /tmp/node.tar.xz --tries %s %s' % (WGET_TRIES, dist_url))
sudo(
'tar -C /usr/ --exclude CHANGELOG.md --exclude LICENSE '
'--exclude README.md --strip-components 1 -xf /tmp/node.tar.xz'
)
# can listening on 80 and 443
# sudo('setcap cap_net_bind_service=+ep /usr/bin/node')
def _setup_yarn():
if run('which yarn', warn_only=True).succeeded:
print 'Already installed yarn'
return
sudo('curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -')
sudo(
'echo "deb https://dl.yarnpkg.com/debian/ stable main" | '
'tee /etc/apt/sources.list.d/yarn.list'
)
sudo('apt-get update -yq && apt-get install -yq yarn')
def _setup_mysql():
if run('which mysqld', warn_only=True).succeeded:
print 'Already installed mysql'
return
# user/password => root/root
sudo(
"debconf-set-selections <<< 'mysql-server mysql-server/"
"root_password password root'"
)
sudo(
"debconf-set-selections <<< 'mysql-server mysql-server/"
"root_password_again password root'"
)
sudo(
'apt-get install -yq libmysqld-dev mysql-server mysql-client '
'libmysqlclient-dev'
)
def _setup_mongodb():
if run('which mongod', warn_only=True).succeeded:
print 'Already installed mongod'
return
sysinfo = _get_ubuntu_info()
if not sysinfo['x64']:
print 'mongodb only supports 64bit system'
return
sudo(
'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 '
'--recv 0C49F3730359A14518585931BC711F9BA15703C6'
)
sudo(
'echo "deb [ arch=amd64 ] http://repo.mongodb.org/apt/ubuntu '
'%s/mongodb-org/3.4 multiverse" | tee '
'/etc/apt/sources.list.d/mongodb-org-3.4.list'
% sysinfo['codename']
)
sudo('apt-get update -yq && apt-get install -yq mongodb-org')
def _enable_rc_local():
rc_local = '/etc/rc.local'
put('rc-local.service', '/etc/systemd/system/', use_sudo=True)
sudo('touch %s' % rc_local)
if run(
"head -1 %s | grep -q '^#!\/bin\/sh '" % rc_local, warn_only=True
).failed:
run("sed -i '1s/^/#!\/bin\/sh \\n/' %s" % rc_local)
_append_rc_local(
'echo never > /sys/kernel/mm/transparent_hugepage/enabled'
)
sudo('chmod +x %s' % rc_local)
sudo('systemctl enable rc-local')
def _setup_nginx():
if run('which nginx', warn_only=True).succeeded:
print 'Already installed nginx'
return
sysinfo = _get_ubuntu_info()
# key
sudo('curl https://nginx.org/keys/nginx_signing.key | apt-key add -')
# repo
sudo(
'echo -e "deb http://nginx.org/packages/ubuntu/ %s nginx\\n'
'deb-src http://nginx.org/packages/ubuntu/ %s nginx" | tee '
'/etc/apt/sources.list.d/nginx.list'
% (sysinfo['codename'], sysinfo['codename'])
)
sudo('apt-get update -yq && apt-get install -yq nginx')
put('nginx.conf.example', '/etc/nginx/conf.d/', use_sudo=True)
def _setup_redis():
if run('which redis-server', warn_only=True).succeeded:
print 'Already installed redis'
return
sudo('apt-get install redis-server -yq')
def _setup_docker():
# https://docs.docker.com/engine/installation/linux/ubuntu/
if run('which docker', warn_only=True).succeeded:
print 'Already installed docker'
return
sysinfo = _get_ubuntu_info()
if sysinfo['release'] == '14.04':
sudo('apt-get update -yq')
sudo('apt-get install -yq linux-image-extra-virtual '
'linux-image-extra-$(uname -r)')
sudo(
'apt-get install -yq apt-transport-https ca-certificates '
'software-properties-common'
)
sudo(
'curl -fsSL https://download.docker.com/linux/ubuntu/gpg | '
'apt-key add -'
)
sudo(
'add-apt-repository -y "deb [arch=amd64] '
'https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"'
)
sudo('apt-get update -yq && apt-get install -yq docker-ce')
def _append_rc_local(cmd):
rc_local = '/etc/rc.local'
comment(rc_local, r'^exit 0', use_sudo=True)
append(rc_local, [cmd, 'exit 0'], use_sudo=True)
sed(rc_local, '^#exit 0.*', '', use_sudo=True, backup='')
def _setup_mariadb():
'''
can be used to migrate mysql to mariadb
'''
if run('test -f /etc/mysql/conf.d/mariadb.cnf ', warn_only=True).succeeded:
print 'Already installed mariadb'
return
# user/password => root/root
sudo(
"debconf-set-selections <<< 'mariadb-server mysql-server/"
"root_password password root'"
)
sudo(
"debconf-set-selections <<< 'mariadb-server mysql-server/"
"root_password_again password root'"
)
# https://mariadb.com/kb/en/mariadb/installing-mariadb-deb-files/
sysinfo = _get_ubuntu_info()
key = '0xcbcb082a1bb943db'
if _V(sysinfo['release']) >= _V('16.04'):
key = '0xF1656F24C74CD1D8'
sudo(
'apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com:80 %s'
% key
)
sudo('apt-get install -yq software-properties-common')
sudo(
"add-apt-repository -y 'deb http://ftp.osuosl.org/pub/mariadb/repo/"
"10.2/ubuntu %s main'" % sysinfo['codename']
)
sudo('apt-get update -yq')
sudo('service mysql stop', warn_only=True)
sudo('apt-get install -yq mariadb-server libmysqld-dev', warn_only=True)
def _setup_solc():
# https://docs.docker.com/engine/installation/linux/ubuntu/
if run('which solc', warn_only=True).succeeded:
print 'Already installed solc'
return
sudo('add-apt-repository -y ppa:ethereum/ethereum')
sudo('apt-get update -yq')
sudo('apt-get install -yq solc')
def _setup_mono():
# http://www.mono-project.com/download/#download-lin
if run('which mono', warn_only=True).succeeded:
print 'Already installed mono'
return
sudo(
'apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys '
'3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF',
warn_only=True
)
sysinfo = _get_ubuntu_info()
sudo(
'echo "deb http://download.mono-project.com/repo/ubuntu %s main" | tee'
' /etc/apt/sources.list.d/mono-official.list' % sysinfo['codename'],
warn_only=True
)
sudo('apt-get update -yq && apt-get install -y mono-devel')
def _setup_go():
# https://golang.org/doc/install
url = 'https://dl.google.com/go/go1.9.2.linux-amd64.tar.gz'
if run('which go', warn_only=True).succeeded:
print 'Already installed go'
return
sudo(
'wget %s -O - --tries %s | tar -C /usr/local -xzf -'
% (url, WGET_TRIES),
warn_only=True
)
append('/etc/profile', 'export PATH=$PATH:/usr/local/go/bin',
use_sudo=True)