annotate README @ 83:83e48a76f759

Document what extract_value_for_key returns when the key is not found
author Bernhard Herzog <bh@intevation.de>
date Fri, 31 Aug 2007 17:07:18 +0000
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children 91deff3db739
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1 README for TreePackager
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2 =======================
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3
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4
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5 TreePackager is a tool to automatically build debian packages from SVN.
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6
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7
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8 Prerequisites
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9 -------------
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10
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11 You need the following software to run TreePackager. In the list below,
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12 parentheses contain the name of the corresponding package in Debian Etch
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13 if its not the same as the software. The version required is usually
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14 the one from debian etch.
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15
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16 Python 2.4 (python2.4-minimal)
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17 Debian devscripts (devscripts)
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18 subversion
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19 pbuilder
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20 sudo
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21 bzip2
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22
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23 For the web front-end you also need the following software:
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24
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25 Genshi (python-genshi)
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26 CherryPy (python-cherrypy)
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27
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28 Some of the packagers require additional software. The KDEPIM
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29 enterprise branch packagers require the following additional software:
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30
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31 autoconf2.13
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32 automake1.9
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33
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34
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35 Installation
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36 ------------
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37
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38 You can run the tree packager itself directly from the source tree.
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39 However, you need to configure it first and setup pbuilder.
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40
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41
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42 Configuration
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43 -------------
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44
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45 To understand the configuration, first a few notes about the
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46 architecture of TreePackager. The TreePackager consist of one program
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47 that periodically updates svn working directories and if something has
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48 changed, builds a new debian package from the working directory. The
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49 program should run as a normal user. The sample configuration assumes
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50 that it's the user "builder" with a home directory "/home/builder". The
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51 default configuration manages a directory tree under
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52 "/home/builder/enterprise".
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53
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54 The binary packages are built with pbuilder. Because pbuilder uses a
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55 chroot environment to build the packages, it must be run as root. The
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56 tree packager therefore needs a way to run pbuilder as root even though
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57 itself runs as a non-root user. By default the tree packager uses sudo,
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58 so you have to setup sudo to allow the tree packager user to invoke
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59 pbuilder without a password. This can be accomplished with the
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60 following line in /etc/sudoers (using the default user name):
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61
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62 builder ALL = NOPASSWD: /usr/sbin/pbuilder
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63
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64
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65 Configure TreePackager
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66 ~~~~~~~~~~~~~~~~~~~~~~
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67
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68 The file demo.cfg contains example configuration that contains most of
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69 what is needed to package KDEPIM and kde-i18n from the KDEPIM enterprise
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70 branch. Copy this file to treepkg.cfg and adapt it to your needs. The
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71 comments in the file should provide most of the hints to get you
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72 started. Some more information is in the "Configuring a packager"
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73 section below.
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74
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75
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76 Configuring a packager
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77 ~~~~~~~~~~~~~~~~~~~~~~
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78
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79 The configuration file contains one section for each packager. The
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80 section name starts with a "pkg_" prefix. The possible options are
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81 described in demo.cfg. However there are some things that need to be
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82 set up outside of the config file.
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83
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84 Each packager has a base directory (the base_dir option in the
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85 corresponding pkg_-section). One thing needed by a packager is the
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86 contents of the debian sub-directory of the debian source package. When
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87 creating the source package, the packager simply copies the
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88 sub-directory "debian" of the base_dir into the directory making up the
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89 source tree. How the debian directory is created and maintained is up
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90 to you. Usually it's a good idea to start with the debian sub-directory
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91 an existing debian package for the software.
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92
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93
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94 Configure pbuilder
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95 ~~~~~~~~~~~~~~~~~~
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96
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97 It's best to give the tree packager its own pbuilder configuration and
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98 directories. The default configuration uses a "pbuilder" sub-directory
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99 in /home/builder/enterprise. If you have created the treepkg.cfg file
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100 with at least one packager and the correct root_cmd and pbuilderrc
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101 options (the defaults for both should be OK if you use sudo as described
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102 above), you can create the directories, the pbuilder configuration and
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103 the chroot environment with the script initpbuilder.py like this:
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104
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105 bin/initpbuilder.py --mirrorsite=<URL of preferred debian mirror>
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106
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107 You can specify some more mirrors with the --othermirror option. For
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108 more information run "bin/initpbuilder.py --help" and consult the pbuilder
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109 documentation.
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110
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111
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112 Configure the web front-end
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113 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
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114
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115 The web front-end consists of a single HTML-page with an overview of the
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116 packager status and links to build logs when available. There are two
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117 ways to publish this front-end: as little web-server with a dynamic
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118 web-page or as a directory with a bunch of files making up a static
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119 web-site.
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120
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121 Web-server:
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122
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123 The default configuration should be OK in most cases. If you want you
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124 can customize it in cherrypy.cfg. Start the web front-end with
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125
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126 bin/starttreepkgweb.py
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127
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128 starttreepkgweb has some options to specify which configuration files to use.
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129
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130
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131 Static pages:
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132
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133 The static pages are published using two programs, createstaticweb.py
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134 and publishstaticweb.py. createstaticweb.py is run on the system where
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135 the tree packager runs. publishstaticweb.py is usually run on another
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136 system and connects via ssh and rsync to the tree packager host, creates
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137 the files with createstaticweb.py and copies the files from the tree
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138 packager host to a third host.
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139
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140 The configuration file for publishstaticweb.py is demostaticweb.cfg.
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141 Copy this file to staticweb.cfg and adapt it to your system. The
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142 comments in the file describe the options. Afterwards, run the script
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143 with
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144
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145 bin/publishstaticweb.py
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146
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147
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148 Running the Tree Packager
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149 -------------------------
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150
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151 After configuration, run the tree packager with
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152
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153 bin/runtreepkg.py [options] [packager...]
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154
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155 For each packager listed on the command line -- or all configured
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156 packagers if none are given -- the tree packager checks out or updates
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157 the sources and builds binary packages if the new revision hasn't been
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158 packaged yet.
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159
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160 If the option --once has been given, the tree packager exits after it
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161 has checked each packager once. Without it, the check is done
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162 repeatedly. The interval between two checks can be set in the configuration
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163 file.
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164
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165 Call runtreepkg.py with the --help option to see a list of the available
2eefd12526ff flesh out the REAME file some more
Bernhard Herzog <bh@intevation.de>
parents: 70
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166 options.
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