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 Topic: Example Using a database (DBD) for vhost, mod_vhost_dbd.so |
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admin
Site Admin
Joined: 15 Oct 2005
Posts: 692
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 Posted: Sat 16 Feb '08 16:52 Post subject: Example Using a database (DBD) for vhost, mod_vhost_dbd.so |
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Received from Tom the following on the use of DBD Virtual Host module - mod_vhost_dbd.so ,
see http://www.apachelounge.com/viewtopic.php?t=2235
Using this database table (hostTable) to send requests to different web roots based on the hostname.
This is like using NameVirtualHost / <VirtualHost>, but the DocumentRoot is looked up in the
database instead of being set inside many <VirtualHost> directives. Records can be added or removed
from the table without needing to restart Apache.
The directive would be:
DBDocRoot "SELECT root FROM hostTable WHERE hostname = ?", HOSTNAME
-------------------------------------
Using a part of a URI is less common, but there are cases where it is useful.
Using this database table (typeTable) to send different requests to different web roots based on the
first 1 part of the URI:
| Code: | type root
----------- ------------
/webmail C:/maildir
/download E:/other
/temp D:/ |
The directive would be:
DBDocRoot "SELECT root FROM typeTable WHERE type = ?", URI1
In this example, a request to http://{server}/webmail/steffen/test/alpha/index.html
would go to C:\maildir\webmail\steffen\test\alpha\index.html
because C:\maildir is the document root.
A request to http://{server}/download/beta/bigfile.pdf
would go to E:\other\download\beta\bigfile.pdf
because E:\other is the document root.
Requests which don't begin with /webmail, /download, or /temp would still go to the regular location
set by the DocumentRoot directive in httpd.conf.
Steffen |
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