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Changes between Version 1 and Version 2 of TracEnvironment

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10/09/08 04:57:11 (6 years ago)
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trac
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  • TracEnvironment

    v1 v2  
    1 = Trac Storage - The Environment = 
     1= The Trac Environment = 
    22 
    3 Trac uses a directory structure and a database for storing project data. 
     3Trac uses a directory structure and a database for storing project data. The directory is referred to as the “environment”. 
    44 
    55== Creating an Environment == 
    66 
    7 A new Trac environment is created using [wiki:TracAdmin trac-admin]: 
     7A new Trac environment is created using  [wiki:TracAdmin trac-admin]: 
    88{{{ 
    9 $ trac-admin /path/to/projectenv initenv 
     9$ trac-admin /path/to/myproject initenv 
    1010}}} 
    1111 
    1212[wiki:TracAdmin trac-admin] will ask you for the name of the project, the 
    13 database connection string (explained below), and where your subversion 
    14 repository is located. 
     13database connection string (explained below), and the type and path to 
     14your source code repository. 
    1515 
    16   ''Note: The web server user will require file system write permission to 
     16''Note: The web server user will require file system write permission to  
    1717the environment directory and all the files inside. Please remember to set 
    18 the appropriate permissions. The same applies to the Subversion 
    19 repository, although Trac will only require read access as long as you're 
    20 not using the BDB file system.'' 
     18the appropriate permissions. The same applies to the Subversion repository  
     19Trac is eventually using, although Trac will only require read access as long  
     20as you're not using the BDB file system. Also, it seems that project names 
     21with spaces can be problematic for authentication (see [trac:#7163]).'' 
    2122 
    2223== Database Connection Strings == 
    2324 
    2425Since version 0.9, Trac supports both [http://sqlite.org/ SQLite] and 
    25 [http://www.postgresql.org/ PostgreSQL] as database backends.  The default 
    26 is to use SQLite, which is probably sufficient for most projects. The database file 
    27 is then stored in the environment directory, and can easily be 
     26[http://www.postgresql.org/ PostgreSQL] database backends.  Preliminary 
     27support for [http://mysql.com/ MySQL] was added in 0.10.  The default is 
     28to use SQLite, which is probably sufficient for most projects. The database 
     29file is then stored in the environment directory, and can easily be  
    2830[wiki:TracBackup backed up] together with the rest of the environment. 
    2931 
     32=== Embedded SQLite Connection String === 
    3033The connection string for an embedded SQLite database is: 
    3134{{{ 
     
    3336}}} 
    3437 
    35 If you want to use PostgreSQL instead, you'll have to use a different 
    36 connection string. For example, to connect to a database on the same 
    37 machine called `trac`, that allows access to the user `johndoe` with 
    38 the password `letmein`, use: 
     38=== PostgreSQL Connection String === 
     39If you want to use PostgreSQL or MySQL instead, you'll have to use a 
     40different connection string. For example, to connect to a PostgreSQL 
     41database on the same machine called `trac`, that allows access to the 
     42user `johndoe` with the password `letmein`, use: 
    3943{{{ 
    4044postgres://johndoe:letmein@localhost/trac 
    4145}}} 
     46''Note that due to the way the above string is parsed, the "/" and "@" characters cannot be part of the password.'' 
    4247 
    4348If PostgreSQL is running on a non-standard port (for example 9342), use: 
     
    4651}}} 
    4752 
     53On UNIX, you might want to select a UNIX socket for the transport, 
     54either the default socket as defined by the PGHOST environment variable: 
     55{{{ 
     56postgres://user:password@/database 
     57}}} 
     58or a specific one: 
     59{{{ 
     60postgres://user:password@/database?host=/path/to/socket/dir 
     61}}} 
     62 
    4863Note that with PostgreSQL you will have to create the database before running 
    4964`trac-admin initenv`. 
     65 
     66See the [http://www.postgresql.org/docs/ PostgreSQL documentation] for detailed instructions on how to administer [http://postgresql.org PostgreSQL]. 
     67Generally, the following is sufficient to create a database user named `tracuser`, and a database named `trac`. 
     68{{{ 
     69createuser -U postgres -E -P tracuser 
     70createdb -U postgres -O tracuser -E UTF8 trac 
     71}}} 
     72When running `createuser` you will be prompted for the password for the user 'tracuser'. This new user will not be a superuser, will not be allowed to create other databases and will not be allowed to create other roles. These privileges are not needed to run a trac instance. If no password is desired for the user, simply remove the `-P` and `-E` options from the `createuser` command.  Also note that the database should be created as UTF8. LATIN1 encoding causes errors trac's use of unicode in trac.  SQL_ASCII also seems to work. 
     73 
     74Under some default configurations (debian) one will have run the `createuser` and `createdb` scripts as the `postgres` user.  For example: 
     75{{{ 
     76sudo su - postgres -c 'createuser -U postgres -S -D -R -E -P tracuser' 
     77sudo su - postgres -c 'createdb -U postgres -O tracuser -E UTF8 trac' 
     78}}} 
     79 
     80Trac uses the `public` schema by default but you can specify a different schema in the connection string: 
     81{{{ 
     82postgres://user:pass@server/database?schema=yourschemaname 
     83}}} 
     84 
     85=== MySQL Connection String === 
     86 
     87If you want to use MySQL instead, you'll have to use a 
     88different connection string. For example, to connect to a MySQL 
     89database on the same machine called `trac`, that allows access to the 
     90user `johndoe` with the password `letmein`, the mysql connection string is: 
     91{{{ 
     92mysql://johndoe:letmein@localhost:3306/trac 
     93}}} 
     94 
     95== Source Code Repository == 
     96 
     97You'll first have to provide the ''type'' of your repository (e.g. `svn` for Subversion, 
     98which is the default), then the ''path'' where the repository is located. 
     99 
     100If you don't want to use Trac with a source code repository, simply leave the ''path'' empty 
     101(the ''type'' information doesn't matter, then). 
     102 
     103For some systems, it is possible to specify not only the path to the repository, 
     104but also a ''scope'' within the repository. Trac will then only show information 
     105related to the files and changesets below that scope. The Subversion backend for 
     106Trac supports this; for other types, check the corresponding plugin's documentation. 
     107 
     108Example of a configuration for a Subversion repository: 
     109{{{ 
     110[trac] 
     111repository_type = svn 
     112repository_dir = /path/to/your/repository 
     113}}} 
     114 
     115The configuration for a scoped Subversion repository would be: 
     116{{{ 
     117[trac] 
     118repository_type = svn 
     119repository_dir = /path/to/your/repository/scope/within/repos 
     120}}} 
    50121 
    51122== Directory Structure == 
     
    60131 * `db` 
    61132   * `trac.db` - The SQLite database (if you're using SQLite). 
    62  * `plugins` - Environment-specific [wiki:TracPlugins plugins] (Python eggs) 
    63  * `templates` - Custom environment-specific templates. 
     133 * `htdocs` - directory containing web resources, which can be referenced in Genshi templates. '''''(0.11 only)''''' 
     134 * `log` - default directory for log files, if logging is turned on and a relative path is given. 
     135 * `plugins` - Environment-specific [wiki:TracPlugins plugins] (Python eggs, since [milestone:0.10]) 
     136 * `templates` - Custom ClearSilver environment-specific templates. '''''(0.10 only)''''' 
    64137   * `site_css.cs` - Custom CSS rules. 
    65138   * `site_footer.cs` - Custom page footer. 
    66139   * `site_header.cs` - Custom page header. 
    67  * `wiki-macros` - Environment-specific [wiki:WikiMacros Wiki macros]. 
     140 * `templates` - Custom Genshi environment-specific templates. '''''(0.11 only)''''' 
     141   * `site.html` - method to customize header, footer, and style, described in TracInterfaceCustomization#SiteAppearance 
     142 * `wiki-macros` - Environment-specific [WikiMacros Wiki macros]. '''''(0.10 only)''''' 
     143 
     144  '''Note: don't confuse a Trac environment directory with the source code repository directory. 
     145It happens that the above structure is loosely modelled after the Subversion repository directory  
     146structure, but they are not and ''must not'' be located at the same place.''' 
    68147 
    69148----