Multiple Trac sites on one domain using Apache2 - apache

Question

How do I get one domain to serve up multiple sites under Apache2. What I would like is something like this:
trac.mysite.net/project1
trac.mysite.net/project2
What I have working now, is this:
project1.mysite.net/
project2.mysite.net/
using two separate virtual hosts, which works great. However, every time I create a new project, I have to update the DNS.
What I would like is to have one virtual host configuration that points to a different directory for each project.
What I have tried is creating a 'trac' virtual host with different sections for each site. According to the error log, it tries to access the directory, but gets an access denied.
[Sun Sep 14 16:50:59.022354 2014] [autoindex:error] [pid 9811] [client 10.1.1.112:58207] AH01276: Cannot serve directory /usr/share/trac/projects/project1/htdocs/: No matching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm) found, and server-generated directory index forbidden by Options directive
I tried removing indexes with Options -Indexes but that didn't get rid of the error above.
Here is my virtual host configuration:
<VirtualHost *:80>
ServerName trac.mysite.net
ServerAlias trac
ServerAdmin vv#mysite.net
# trac ####################################################################
DocumentRoot /usr/share/trac/htdocs
<Directory />
Options FollowSymLinks
AllowOverride None
</Directory>
<Directory /usr/share/trac/cgi-bin/>
Options Indexes FollowSymLinks MultiViews
AllowOverride None
AuthType Digest
AuthName login
AuthUserFile /etc/apache2/loginpasswd
Require valid-user
Order allow,deny
allow from all
</Directory>
Alias /chrome/common /usr/share/trac/htdocs/common
Alias /chrome/site /usr/share/trac/htdocs/site
<Directory /usr/share/trac/htdocs/>
Order allow,deny
allow from all
</Directory>
WSGIScriptAlias / /usr/share/trac/cgi-bin/trac.wsgi
# project1 ###############################################################
Alias /project1 /usr/share/trac/projects/project1/htdocs
<Directory /usr/share/trac/projects/project1/htdocs/>
Order allow,deny
allow from all
</Directory>
<Directory /usr/share/trac/projects/project1/cgi-bin/>
Options Indexes FollowSymLinks MultiViews
AllowOverride None
AuthType Digest
AuthName login
AuthUserFile /etc/apache2/loginpasswd
Require valid-user
Order allow,deny
allow from all
</Directory>
Alias /project1/chrome/common /usr/share/trac/projects/project1/htdocs/common
Alias /project1/chrome/site /usr/share/trac/projects/project1/htdocs/site
WSGIScriptAlias /project1 /usr/share/trac/projects/project1/cgi-bin/trac.wsgi
# project2 ################################################################
Alias /project2 /usr/share/trac/projects/project2/htdocs
<Directory /usr/share/trac/projects/project2/htdocs/>
Options FollowSymLinks
AllowOverride None
Order allow,deny
Allow from all
</Directory>
<Directory /usr/share/trac/projects/project2/cgi-bin/>
Options Indexes FollowSymLinks MultiViews
AllowOverride None
AuthType Digest
AuthName login
AuthUserFile /etc/apache2/loginpasswd
Require valid-user
Order allow,deny
Allow from all
</Directory>
Alias /project2/chrome/common /usr/share/trac/projects/project2/htdocs/common
Alias /project2/chrome/site /usr/share/trac/projects/project2/htdocs/site
WSGIScriptAlias /project2/ /usr/share/trac/projects/project2/cgi-bin/trac.wsgi
# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
LogLevel warn
ErrorLog ${APACHE_LOG_DIR}/trac_error.log
CustomLog ${APACHE_LOG_DIR}/trac_access.log combined
</VirtualHost>
I know this is possible, I'm just not sure how. Any suggestions would be appreciated.

Answer 1

Ah. I figured out what I was doing wrong. I was using an Alias for each project directory. The Alias was overriding the WSGIScriptAlias. And it was this WSGIScriptAlias that was necessary for everything to work. It allows urls with /projectX/ in them to be an alias for the trac.wsgi script.
My new vhost config is given below. I cleaned it up a bit by removing the directives for the trac vhost and only left the DocumentRoot.
<VirtualHost *:80>
ServerName trac.mysite.net
ServerAlias trac
ServerAdmin vv#mysite.net
# trac ####################################################################
DocumentRoot /usr/share/trac/htdocs
# project1 ###############################################################
<Directory /usr/share/trac/projects/project1/htdocs/>
Order allow,deny
allow from all
</Directory>
<Directory /usr/share/trac/projects/project1/cgi-bin/>
Options Indexes FollowSymLinks MultiViews
AllowOverride None
AuthType Digest
AuthName login
AuthUserFile /etc/apache2/loginpasswd
Require valid-user
Order allow,deny
allow from all
</Directory>
Alias /project1/chrome/common /usr/share/trac/projects/project1/htdocs/common
Alias /project1/chrome/site /usr/share/trac/projects/project1/htdocs/site
WSGIScriptAlias /project1 /usr/share/trac/projects/project1/cgi-bin/trac.wsgi
# project2 ################################################################
<Directory /usr/share/trac/projects/project2/htdocs/>
Options FollowSymLinks
AllowOverride None
Order allow,deny
Allow from all
</Directory>
<Directory /usr/share/trac/projects/project2/cgi-bin/>
Options Indexes FollowSymLinks MultiViews
AllowOverride None
AuthType Digest
AuthName login
AuthUserFile /etc/apache2/loginpasswd
Require valid-user
Order allow,deny
Allow from all
</Directory>
Alias /project2/chrome/common /usr/share/trac/projects/project2/htdocs/common
Alias /project2/chrome/site /usr/share/trac/projects/project2/htdocs/site
WSGIScriptAlias /project2/ /usr/share/trac/projects/project2/cgi-bin/trac.wsgi
# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
LogLevel warn
ErrorLog ${APACHE_LOG_DIR}/trac_error.log
CustomLog ${APACHE_LOG_DIR}/trac_access.log combined
</VirtualHost>
Thanks for listening.