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#!/usr/bin/python -O
#
# /usr/sbin/webapp-config
# Python script for managing the deployment of web-based
# applications
#
# Originally written for the Gentoo Linux distribution
#
# Copyright (c) 1999-2007 Authors
# Released under v2 of the GNU GPL
#
# Author(s) Stuart Herbert
# Renat Lumpau <rl03@gentoo.org>
# Gunnar Wrobel <wrobel@gentoo.org>
#
# ========================================================================
# ========================================================================
# Dependencies
# ------------------------------------------------------------------------
import os, os.path
from WebappConfig.debug import OUT
from WebappConfig.eprefix import EPREFIX
from WebappConfig.worker import WebappRemove, WebappAdd
from WebappConfig.permissions import get_group, get_user
from WebappConfig.wrapper import package_installed
# ========================================================================
# Server classes
# ------------------------------------------------------------------------
class Basic:
name = 'Basic Server'
desc = 'supports installation on all webservers'
dep = ''
def set_server_user(self):
self.vhost_server_uid = get_user(0)
self.vhost_server_gid = get_group(0)
def __init__(self,
directories,
permissions,
handler,
flags,
pm):
if self.dep and not self.supported(pm):
print(self.dep)
OUT.die('Your configuration file sets the server type "' + self.name
+ '"\nbut the corresponding package does not seem to be '
'installed!\nPlease "emerge ' + self.dep + '" or correct '
'your settings.')
try:
self.set_server_user()
except KeyError:
OUT.die('The user for the server type "' + self.name
+ '" does not exist!')
self.__sourced = directories['source']
self.__destd = directories['destination']
self.__hostroot = directories['hostroot']
self.__vhostroot = directories['vhostroot']
# + server owned
if permissions['file']['server-owned'][0] == 0:
permissions['file']['server-owned'][0] = self.vhost_server_uid
permissions['dir']['server-owned'][0] = self.vhost_server_uid
if permissions['file']['server-owned'][1] == 0:
permissions['file']['server-owned'][1] = self.vhost_server_gid
permissions['dir']['server-owned'][1] = self.vhost_server_gid
# and config owned directories have server gid
permissions['dir']['config-owned'][1] = self.vhost_server_gid
# allows server and config owned
permissions['file']['config-server-owned'][1] = self.vhost_server_gid
permissions['dir']['config-server-owned'][1] = self.vhost_server_gid
self.__perm = permissions
self.__handler = handler
self.__flags = flags
self.__ws = handler['source']
self.__content = handler['content']
self.__protect = handler['protect']
self.__dotconfig = handler['dotconfig']
self.__ebuild = handler['ebuild']
self.__db = handler['db']
self.__v = flags['verbose']
self.__p = flags['pretend']
wd = WebappRemove(self.__content,
self.__v,
self.__p)
handler['removal'] = wd
self.__del = wd
# Set by the install function
self.__add = None
def upgrade(self, new_category, new_package, new_version):
# I have switched the order of upgrades
# we are now removing the olde app and then installing the new one
# I am not sure why it was the other way around before
# and this way seems more intuitive and also has the benefit
# of working -- rl03
# first remove the older app
OUT.info('Removing old version ' + self.__dotconfig.packagename())
self.clean()
# now install the new one
self.__content.set_category(new_category)
self.__content.set_version(new_version)
self.__content.set_package(new_package)
self.__db.set_category(new_category)
self.__db.set_version(new_version)
self.__db.set_package(new_package)
self.install(True)
def clean(self):
self.file_behind_flag = False
OUT.debug('Basic server clean', 7)
self.file_behind_flag |= self.__del.remove_files()
self.file_behind_flag |= self.__del.remove_dirs()
OUT.info('Any files or directories listed above must be removed b'
'y hand')
# okay, let's finish off
#
# we don't need the contents file anymore
self.file_behind_flag |= not self.__content.kill()
# right - we need to run the hook scripts now
# if they fail, we don't actually care
# run the hooks
self.__ebuild.run_hooks('clean', self)
# do we need the dotconfig file?
#
# if the .webapp file is the only one in the dir, we believe
# that we can remove it
self.__dotconfig.kill()
# is the installation directory empty?
if not os.listdir(self.__destd) and os.path.isdir(self.__destd):
if not self.__p:
os.rmdir(self.__destd)
else:
OUT.notice('--- ' + self.__destd)
# update the list of installs
self.__db.remove(self.__destd)
# did we leave anything behind?
if self.file_behind_flag:
OUT.warn('Remove whatever is listed above by hand')
def install(self, upgrade = False):
self.config_protected_dirs = []
OUT.debug('Basic server install', 7)
# The root of the virtual install location needs to exist
if not os.path.isdir(self.__destd) and not self.__p:
OUT.debug('Directory missing', 7)
dir = self.__destd
dirs = []
while dir != EPREFIX + '/':
dirs.insert(0, dir)
dir = os.path.dirname(dir)
a = self.__perm['dir']['install-owned'][2]('0755')
OUT.debug('Strange')
# Create the directories
for i in dirs:
if not os.path.isdir(i):
os.mkdir(i)
os.chmod(i,
self.__perm['dir']['install-owned'][2]('0755'))
os.chown(i,
self.__perm['dir']['install-owned'][0],
self.__perm['dir']['install-owned'][1])
if self.__v:
OUT.info(' Creating installation directory: '
+ i)
# Create the handler for installing
self.__flags['relative'] = True
wa = WebappAdd(self.__sourced,
self.__destd,
self.__perm,
self.__handler,
self.__flags)
self.__add = wa
OUT.info('Installing ' + self.__ws.package_name() + '...')
# we need to create the directories to place our files in
# and we need to copy in the files
OUT.info(' Creating required directories', 1)
OUT.info(' Linking in required files', 1)
OUT.info(' This can take several minutes for larger apps', 1)
self.__add.mkdirs()
self.config_protected_dirs += self.__add.config_protected_dirs
# Create the second handler for installing the root files
self.__flags['relative'] = False
wa = WebappAdd(self.__hostroot,
self.__vhostroot,
self.__perm,
self.__handler,
self.__flags)
self.__add = wa
self.__add.mkdirs()
self.config_protected_dirs += self.__add.config_protected_dirs
OUT.info(' Files and directories installed', 1)
self.__dotconfig.write(self.__ws.category,
self.__ws.pn,
self.__ws.pvr,
self.__flags['host'],
self.__flags['orig'],
str(self.__perm['file']['config-owned'][0])
+ ':' + str(self.__perm['file']['config-owned'][1]),)
self.__db.add(self.__destd,
self.__perm['file']['config-owned'][0],
self.__perm['file']['config-owned'][1])
# run the hooks
self.__ebuild.run_hooks('install', self)
# show the post-installation instructions
if not upgrade:
self.__ebuild.show_postinst(self)
else:
self.__ebuild.show_postupgrade(self)
# to finish, we need to tell the user if they need to run
# etc-update or not
if self.config_protected_dirs:
# work out whether this directory is part of the
# CONFIG_PROTECT list or not
self.__protect.how_to_update(self.config_protected_dirs)
self.__content.write()
# and we're done
OUT.info('Install completed - success', 1)
def supported(self, pm):
# I don't think we should be forcing to have a webserver installed -- rl03
# Maybe, but the test should then be disabled somewhere else.
# Reverted back to the original version for now -- wrobel
if self.dep and package_installed(self.dep, pm):
return True
return False
class Apache(Basic):
name = 'Apache'
desc = 'supports installation on Apache 1 & 2'
dep = '>=www-servers/apache-1.3'
def set_server_user(self):
self.vhost_server_uid = get_user('apache')
self.vhost_server_gid = get_group('apache')
class Lighttpd(Basic):
name = 'Lighttpd'
desc = 'supports installation on lighttpd'
dep = 'www-servers/lighttpd'
def set_server_user(self):
self.vhost_server_uid = get_user('lighttpd')
self.vhost_server_gid = get_group('lighttpd')
class Cherokee(Basic):
name = 'Cherokee'
desc = 'supports installation on Cherokee'
dep = 'www-servers/cherokee'
def set_server_user(self):
self.vhost_server_uid = get_user('cherokee')
self.vhost_server_gid = get_group('cherokee')
class Nginx(Basic):
name = 'Nginx'
desc = 'supports installation on Nginx'
dep = 'www-servers/nginx'
def set_server_user(self):
self.vhost_server_uid = get_user('nginx')
self.vhost_server_gid = get_group('nginx')
class Gatling(Basic):
name = 'Gatling'
desc = 'supports installation on Gatling'
dep = 'www-servers/gatling'
def set_server_user(self):
self.vhost_server_uid = get_user('gatling')
self.vhost_server_gid = get_group('gatling')
class Tracd(Basic):
name = 'Tracd'
desc = 'supports installation on Trac standalone server'
dep = 'www-apps/trac'
def set_server_user(self):
self.vhost_server_uid = get_user('tracd')
self.vhost_server_gid = get_group('tracd')
def listservers():
OUT.notice('\n'.join(['apache',
'lighttpd',
'cherokee',
'nginx',
'gatling',
'tracd',]))
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