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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>
#
# ========================================================================
''' Provides a class that handles ebuild related tasks. '''
# ========================================================================
# Dependencies
# ------------------------------------------------------------------------
import os.path, re, pwd, grp
from WebappConfig.debug import OUT
import WebappConfig.wrapper as wrapper
from WebappConfig.sandbox import Sandbox
# ========================================================================
# Handler for ebuild related tasks
# ------------------------------------------------------------------------
class Ebuild:
'''
This class handles all ebuild related task. Currently this includes
displaying the post install instruction as well as running hooks
provided by the ebuild.
'''
def __init__(self, config):
self.config = config
self.__root = wrapper.get_root(self.config)
self.__re = re.compile('/+')
self.__sourced = self.__re.sub('/', self.__root
+ self.get_config('my_appdir'))
self.__hooksd = self.__re.sub('/', self.__root
+ self.get_config('my_hookscriptsdir'))
def get_config(self, option):
''' Return a config option.'''
return self.config.config.get('USER', option)
def run_hooks(self, type, server):
'''
Run the hook scripts - if there are any
'''
if self.config.pretend():
return
sandbox = Sandbox(self.config)
# save list of environment variables to set
env_map = self.run_vars(server)
if os.path.isdir(self.__hooksd):
for x in os.listdir(self.__hooksd):
if (os.path.isfile(self.__hooksd + '/' + x) and
os.access(self.__hooksd + '/' + x, os.X_OK)):
OUT.debug('Running hook script', 7)
sandbox.spawn(self.__hooksd + '/' + x + ' ' + type, env_map)
def show_post(self, filename, ptype, server = None):
'''
Display one of the post files.
'''
post_file = self.__sourced + '/' + filename
OUT.debug('Check for instruction file', 7)
if not os.path.isfile(post_file):
return
self.run_vars(server)
post_instructions = open(post_file).readlines()
OUT.debug('Read post instructions', 7)
post = [
'',
'=================================================================',
'POST-' + ptype.upper() + ' INSTRUCTIONS',
'=================================================================',
'']
for i in post_instructions:
i = i.replace('"', '\\"')
post.append(os.popen('echo -n "' + i + '"\n').read()[:-1])
post = post + [
'',
'=================================================================',
'']
for i in post:
OUT.notice(i)
def show_postinst(self, server = None):
'''
Display any post-installation instructions, if there are any.
'''
OUT.debug('Running show_postinst', 6)
self.show_post(filename = 'postinst-en.txt', ptype = 'install', server = server)
def show_postupgrade(self, server = None):
'''
Display any post-upgrade instructions, if there are any.
'''
OUT.debug('Running show_postupgrade', 6)
self.show_post(filename = 'postupgrade-en.txt', ptype = 'upgrade', server = server)
def run_vars(self, server = None):
'''
This function exports the necessary variables to the shell
environment so that they are accessible within the shell scripts
and/or files provided by the ebuild.
'''
v_root = self.get_config('vhost_root')
v_cgi = self.get_config('g_cgibindir')
v_conf = self.get_config('vhost_config_dir')
v_err = v_root + '/' + self.get_config('my_errorsbase')
v_icon = v_root + '/' + self.get_config('my_iconsbase')
g_inst = self.get_config('g_installdir')
g_htd = self.get_config('g_htdocsdir')
g_orig = self.get_config('g_orig_installdir')
vsu = None
vsg = None
if server:
vsu = pwd.getpwuid(server.vhost_server_uid)[0]
vsg = grp.getgrgid(server.vhost_server_gid)[0]
OUT.debug('Exporting variables', 7)
export_map = {'MY_HOSTROOTDIR' : None,
'MY_HTDOCSDIR' : None,
'MY_CGIBINDIR' : None,
'MY_INSTALLDIR' : g_inst,
'MY_ICONSDIR' : None,
'MY_SERVERCONFIGDIR' : None,
'MY_ERRORSDIR' : None,
'MY_SQLSCRIPTSDIR' : None,
'VHOST_ROOT' : None,
'VHOST_HTDOCSDIR' : g_htd,
'VHOST_CGIBINDIR' : v_cgi,
'VHOST_CONFDIR' : v_conf,
'VHOST_ERRORSDIR' : v_err,
'VHOST_ICONSDIR' : v_icon,
'VHOST_HOSTNAME' : None,
'VHOST_SERVER' : None,
'VHOST_APPDIR' : g_orig,
'VHOST_CONFIG_UID' : None,
'VHOST_CONFIG_GID' : None,
'VHOST_SERVER_UID' : vsu,
'VHOST_SERVER_GID' : vsg,
'VHOST_DEFAULT_UID' : None,
'VHOST_DEFAULT_GID' : None,
'VHOST_PERMS_SERVEROWNED_DIR' : None,
'VHOST_PERMS_SERVEROWNED_FILE' : None,
'VHOST_PERMS_CONFIGOWNED_DIR' : None,
'VHOST_PERMS_CONFIGOWNED_FILE' : None,
'VHOST_PERMS_DEFAULTOWNED_DIR' : None,
'VHOST_PERMS_VIRTUALOWNED_FILE': None,
'VHOST_PERMS_INSTALLDIR' : None,
'ROOT' : self.__root,
'PN' : None,
'PVR': None}
result = {}
for i in list(export_map.keys()):
value = export_map[i]
if not value:
value = self.get_config(i.lower())
os.putenv(i, str(value))
result[i] = str(value)
return result
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