def update_system():
'''更新系统.
'''
if pylib.os_name == 'centos':
if pylib.os_version >= '7.0':
# 更新核心组件
#
# Python依赖包：openssl, openssl-devel, sqlite-devel
pylib.pkgs_install(['bash', 'bash-completion', 'sudo', 'python', 'coreutils',
'binutils', 'vim', 'openssh', 'openssh-server', 'gzip',
'gcc', 'gcc-c++', 'openssl', 'openssl-devel',
'sqlite-devel'])
# 安装Python拓展包(pip工具)
pylib.pip_install(['pep8'])
def www_uwsgi(app_name, max_mem, max_requests=2000, buffer_size=4, stats=None):
'''配置uWSGI Web服务.
@param app_name 应用名称
@param max_mem 最大使用内存（单位：MB）,必须是2的倍数
@param max_requests 最大请求数
@param buffer_size 缓存大小 （单位：KB），必须是2的倍数，默认4KB。
@param stats 监控端口号，None为不监控
配置逻辑
循环语句
for = <x> <y> <z> ...
... %(_)
endfor =
条件语句
环境变量是否设置
if-env = <ENV>
...
endif =
文件是否存在
if-exists = <file>
...
endif =
普通文件是否存在
if-file = <regular-file>
...
endif =
目录是否存在
if-dir = <dir>
...
endif =
配置选项是否存在
if-opt = <option>
...
endif
@since uWSGI 2.0.11.1 (64bit)
'''
pylib.pip_install(['uwsgi'])
# 端口绑定配置
#
# TODO
#'https': ':1234,x.crt,x.key',
#'http-socket': '127.0.0.1:1234',
#'https-socket': '127.0.0.1:1234,x.crt,x.key',
if __debug__:
# Debug环境下，通过HTTP Web服务
# 端口号为当前用户的ID加上1024
port = os.getuid() + pylib.max_system_port
http_port_config = 'http = :{}'.format(port)
sock_port_config = ''
else:
# 部署环境，采用内部通信方式，通过前段Web Server提供对外服务(nginx)
# 端口号在1025-9999范围内
port = random.randint(pylib.max_system_port+1, 9999)
http_port_config = ''
sock_port_config = 'socket = 127.0.0.1:{}'.format(port)
# 应用配置
if __debug__:
app_path = os.path.join(os.path.expanduser('~'), app_name)
procname_prefix = 'debug'
pidfile_dir = app_path
else:
app_path = os.path.join('/var/spool/www', app_name)
procname_prefix = 'stable'
pidfile_dir = '/var/run'
os.makedirs(app_path, exist_ok=True)
static_path = os.path.join(app_path, 'static')
os.makedirs(static_path, exist_ok=True)
for subdir in ('image', 'css', 'js'):
os.makedirs(os.path.join(static_path, subdir), exist_ok=True)
# 监控配置
if __debug__:
log_dir = app_path
else:
log_dir = '/var/log'
if stats is None:
stats_config = ''
else:
assert isinstance(stats, int)
stats_config = 'stats = 127.0.0.1:{}'.format(stats)
# 生成MIME文件
mime_file = 'mime.types'
if __debug__:
mime_file = os.path.join(app_path, mime_file)
else:
mime_file = os.path.join('/etc', mime_file)
with open(mime_file, 'w') as f:
f.write(pylib.mime_types)
# configparser module not used, because it don't support for '%'
config_ini = '''# uWSGI 2.0.11.1 (64bit) 配置文件
# 由脚本自动生成，请勿修改
[uwsgi]
{http_port_config}
{sock_port_config}
# Concurrency (并发)
master = true
processes = %k
reload-mercy = 8
threads = 2
enable-threads = true
offload-threads = %k
max-requests = {max_requests}
# 应用部署
chdir = {app_path}
wsgi-file = {app_name}.py
auto-procname = true
procname-prefix-spaced = {procname_prefix}
pidfile = {pidfile_dir}/%n.pid
vacuum = true
if-opt = http
mimefile = {app_path}/mime.types
static-check = {app_path}/static
static-map = /image={app_path}/static/image/
static-map = /css={app_path}/static/css/
static-map = /js={app_path}/static/js/
static-index = index.html
static-gzip-ext = txt html css js xml
py-autoreload = 2
endif =
if-opt = socket
mimefile = /etc/mime.types
endif =
touch-reload = {app_path}/%n.ini
# I/O
limit-as = {max_mem}
reload-on-as = {reload_on_as}
reload-on-rss = {reload_on_rss}
cache = true
buffer-size = {buffer_size}
# Monitor (系统监控)
daemonize = {log_dir}/%n.log
#daemonize = 127.0.0.1:4000 UDP服务器
cpu-affinity = 1
no-orphans = true
memory-report = true
{stats_config}
'''.format(http_port_config=http_port_config, sock_port_config=sock_port_config,
max_requests=max_requests, app_path=app_path, app_name=app_name,
max_mem=max_mem, reload_on_as=max_mem//2, reload_on_rss=max_mem//4,
buffer_size=buffer_size*1024, stats_config=stats_config, procname_prefix=procname_prefix,
pidfile_dir=pidfile_dir, log_dir=log_dir)
config_file = 'uwsgi-{}.ini'.format(app_name)
if __debug__:
config_file = os.path.join(app_path, config_file)
else:
config_file = '/var/spool/www/' + config_file
with open(config_file, 'w') as f:
f.write(config_ini)
# 生成默认App文件
app_file = '''#!/usr/bin/env python3
# 此文件由脚本自动生成，可替换成自定义的Web应用
def application(env, start_response):
start_response('200 OK', [('Content-Type','text/plain; charset=utf-8')])
return [b"Hello World"]
'''
with open(os.path.join(app_path, '{}.py'.format(app_name)), 'w') as f:
f.write(app_file)
