/
addsite.py
executable file
·247 lines (192 loc) · 7.5 KB
/
addsite.py
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#!/usr/bin/env python
import argparse, re, socket, sys, os, pwd, grp
import config
def is_root():
"""Check admin permissions."""
return os.geteuid() == 0
def get_gid(name):
"""Returns a gid, given a group name."""
try:
result = grp.getgrnam(name)
except KeyError:
result = None
if result is not None:
return result[2]
return None
def get_uid(name):
"""Returns an uid, given a user name."""
try:
result = pwd.getpwnam(name)
except KeyError:
result = None
if result is not None:
return result[2]
return None
def recursive_chown(path, uid, gid):
os.chown(path, uid, gid)
if os.path.isdir(path):
for dirpath, dirnames, filenames in os.walk(path):
for dname in dirnames:
os.chown(os.path.join(dirpath, dname), uid, gid)
for fname in filenames:
os.chown(os.path.join(dirpath, fname), uid, gid)
def recursive_chmod(path, file_mode, dir_mode):
if os.path.isdir(path):
os.chmod(path, dir_mode)
for dirpath, dirnames, filenames in os.walk(path):
for dname in dirnames:
os.chmod(os.path.join(dirpath, dname), dir_mode)
for fname in filenames:
os.chmod(os.path.join(dirpath, fname), file_mode)
else:
os.chmod(path, file_mode)
def can_resolve(hostname):
try:
socket.gethostbyname(hostname)
return True
except socket.error:
return False
def is_correct_user_name(user):
return re.match("^[a-z_]([a-z0-9_-]{0,31}|[a-z0-9_-]{0,30}\$)$", user)
###############################################################################
# Parse arguments
parser = argparse.ArgumentParser(description = 'Add new site.')
parser.add_argument('--site', type=str, nargs=1, required=True,
help='Site domain')
parser.add_argument('--user', type=str, nargs=1, required=True,
help='User owns this site')
parser.add_argument('--wwwuser', type=str, nargs=1, default=[ config.default_wwwuser ],
help="www user (default: '" + config.default_wwwuser + "'")
parser.add_argument('--wwwgroup', type=str, nargs=1, default=[ config.default_wwwgroup ],
help="www group (default: '" + config.default_wwwgroup + "'")
parser.add_argument('--php', action='store_true',
help='Enable PHP')
parser.add_argument('--phpver', type=str, nargs=1, default=[ config.default_phpver ],
help="PHP Version (default: '" + config.default_phpver + "'")
parser.add_argument('--create-user', action='store_true',
help='Create new user for this site')
args = parser.parse_args()
###############################################################################
site = args.site[0]
user = args.user[0]
group = args.user[0]
wwwuser = args.wwwuser[0]
wwwgroup = args.wwwgroup[0]
phpver = args.phpver[0]
keys = {
'site': site,
'user': user,
'group': group,
'wwwuser': wwwuser,
'wwwgroup': wwwgroup,
'phpver': phpver
}
site_home = config.site_home.format(**keys)
user_home = config.user_home.format(**keys)
backup_dir = config.backup_dir.format(**keys)
nginx_conf = config.nginx_conf.format(**keys)
phppool_conf = config.phppool_conf.format(**keys)
logrotate_conf = config.logrotate_conf.format(**keys)
create_user_cmd = config.create_user_cmd.format(**keys)
delete_user_cmd = config.delete_user_cmd.format(**keys)
reload_cmd = config.reload_cmd.format(**keys)
uid = get_uid(user)
gid = get_gid(group)
wwwuid = get_uid(wwwuser)
wwwgid = get_gid(wwwgroup)
###############################################################################
# Check parameters
if args.create_user and not is_correct_user_name(user):
sys.exit("Invalid user name '" + user + "'")
if not args.create_user and uid is None:
sys.exit("User '" + user + "' does not exist")
if os.path.lexists(user_home):
if args.create_user: sys.exit("User home '" + user_home + "' already exist")
else:
if not args.create_user: sys.exit("User home '" + user_home + "' not found")
if wwwuid is None:
sys.exit("User '" + wwwuser + "' does not exist")
if wwwgid is None:
sys.exit("Group '" + wwwgroup + "' does not exist")
if not can_resolve(site):
sys.exit("Cannot resolve '" + site + "'")
if os.path.lexists(site_home):
sys.exit("Site home '" + site_home + "' already exist")
if not os.path.isdir(os.path.dirname(nginx_conf)):
sys.exit("Directory '" + os.path.dirname(nginx_conf) + "' does not exist")
if args.php and not os.path.isdir(os.path.dirname(phppool_conf)):
sys.exit("Directory '" + os.path.dirname(phppool_conf) + "' does not exist")
# Check root rights
if not is_root():
sys.exit("Please, run as root")
###############################################################################
# Choose template and set template keys
if args.php:
template = 'nginx-php';
else:
template = 'nginx-nophp'
template_keys = {
'template': template,
'site': site,
'user': user,
'group': group,
'wwwuser': wwwuser,
'wwwgroup': wwwgroup,
'phpver': phpver,
'site_home': site_home,
'user_home': user_home,
'backup_dir': backup_dir
}
###############################################################################
# Create user if nessesary
if args.create_user:
os.system(create_user_cmd)
uid = get_uid(user)
gid = get_gid(group)
if uid is None: sys.exit("Cannot create user '" + user + "'")
if gid is None: sys.exit("Cannot create group '" + group + "'")
recursive_chmod(user_home, 0o640, 0o750)
if not os.path.exists(backup_dir):
os.mkdir(backup_dir, 0o700)
os.chown(backup_dir, uid, gid);
###############################################################################
# Instantiate template
os.mkdir(site_home)
os.chdir(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'templates', template))
for dirpath, dirnames, filenames in os.walk('.'):
for dirname in dirnames:
os.mkdir(os.path.join(site_home, dirpath, dirname))
for filename in filenames:
if filename == '.emptydir': continue
src = os.path.join(dirpath, filename)
dst = os.path.join(site_home, dirpath, filename)
t = open(src, 'r').read()
t = t.format(**template_keys)
open(dst, 'w').write(t)
# Site home: root:{group} 770
recursive_chown(site_home, 0, gid)
recursive_chmod(site_home, 0o660, 0o770)
# public_html: {user}:{group} 750
recursive_chown(os.path.join(site_home, 'public_html'), uid, gid)
recursive_chmod(os.path.join(site_home, 'public_html'), 0o640, 0o750)
# nginx.conf: root:{group} 640
os.chmod(os.path.join(site_home, 'nginx.conf'), 0o640)
# phppool.conf: root:{group} 640
if args.php:
os.chmod(os.path.join(site_home, 'backup.sh'), 0o640)
###############################################################################
# Link config files
if os.path.lexists(nginx_conf): os.unlink(nginx_conf)
os.symlink(os.path.join(site_home, 'nginx.conf'), nginx_conf)
if os.path.lexists(logrotate_conf): os.unlink(logrotate_conf)
os.symlink(os.path.join(site_home, 'logrotate'), logrotate_conf)
if args.php:
if os.path.lexists(phppool_conf): os.unlink(phppool_conf)
os.symlink(os.path.join(site_home, 'phppool.conf'), phppool_conf)
###############################################################################
# Link site home to user home
os.symlink(site_home, os.path.join(user_home, site))
###############################################################################
# Reload services
print "Reloading services"
os.system(reload_cmd)