Apache2 conf snippit to proxy and rewrite URLs for graphite. https://graphite-admin.example.com ---> https://admin.example.com/graphite Used on a dashboard page that includes graphs from various other domains, and it was annoying typing basic-auth passwords all the time.

apache2-proxy-graphite.conf

    SSLProxyEngine on

    # Graphite URLs that are buried in JS that we can't easily rewrite, we issue an http redirect
    # - /content/js/ext/resources/images/default/s.gif 
    # - /render
    RewriteEngine On
    RewriteCond %{HTTP_HOST} ^admin\.example\.com [NC]
    RewriteRule ^/content/js/ext/resources/images/default/s.gif https://graphite-admin.example.com/content/js/ext/resources/images/default/s.gif [L,R]
    RewriteRule ^/render https://graphite-admin.example.com/render [L,R]

    <Location /graphite>
        ProxyPass https://graphite-admin.example.com
        ProxyPassReverse https://graphite-admin.example.com
        SetOutputFilter INFLATE;proxy-html;DEFLATE
        # Don't mess with anchors
        ProxyHTMLUrlMap ^#(.*) #$1 [R,L]
        # Or with relative urls
        ProxyHTMLUrlMap ^([^/].*) $1 [R,L]
        ProxyHTMLUrlMap ^https://grapite-admin.example.com/(.*) https://admin.example.com/grapite/$1 [R,L]
        ProxyHTMLUrlMap (.*) https://admin.example.com/graphite/$1 R
    </Location>