gistfile1.vcl

import std;
backend default {
  .host = "127.0.0.1";
  .port = "8008";
}
backend jira {
  .host = "127.0.0.1";
  .port = "8080";
}
backend confluence {
  .host = "127.0.0.1";
  .port = "8090";
}
sub vcl_recv {
	    set req.http.X-Forwarded-For = client.ip;
    # remove unnecessary cookies
    if (req.http.cookie ~ "JSESSIONID") {
        std.log("found jsessionid in request, passing to backend server");
        return (pass);
    } else {
        unset req.http.cookie;
    }
    if (req.http.host == "jira.redcoatgames.com") {
        #You will need the following line only if your backend has multiple virtual host names
        #set req.http.host = "jira.redcoatgames.com";
        set req.backend = jira;
        std.log("Requested URL: " + req.url);
        if (req.url~ "^/login.jsp") {
            error 750 req.url;
        }
    }
    if (req.http.host == "confluence.redcoatgames.com") {
        #You will need the following line only if your backend has multiple virtual host names
        #set req.http.host = "confluence.redcoatgames.com";
        set req.backend = confluence;
        if (req.url~ "^/login.action") {
            error 750 req.url;
        }
        return (lookup);
    }
}
sub vcl_fetch {
    if (req.http.cookie ~ "JSESSIONID" || req.request == "POST") {
        std.log("not removing cookie/passing POST, url " + req.url);
        return (deliver);
    } else {
        # remove all other cookies and prevent backend from setting any
        std.log("removing cookie in url " + req.url);
        unset beresp.http.set-cookie;
        set beresp.ttl = 600s;
    }
    if (req.url ~ "^/") {
        unset beresp.http.set-cookie;
    }
    if (beresp.ttl > 0s) {
        #/* Remove Expires from backend, it's not long enough */
        unset beresp.http.expires;
        #/* Set the clients TTL on this object */
        set beresp.http.cache-control = "max-age=900";
        #/* Set how long Varnish will keep it */
        set beresp.ttl = 1w;
        #/* marker for vcl_deliver to reset Age: */
        set beresp.http.magicmarker = "1";
    }
}
sub vcl_deliver {
    # send some handy statistics back, useful for checking cache
    if (obj.hits > 0) {
        set resp.http.X-Cache-Action = "HIT";
        set resp.http.X-Cache-Hits = obj.hits;
    } else {
        set resp.http.X-Cache-Action = "MISS";
    }
    if (resp.http.magicmarker) {
        #/* Remove the magic marker */
        unset resp.http.magicmarker;
        #/* By definition we have a fresh object */
        set resp.http.age = "0";
    }
}
sub vcl_error {
    if (obj.status == 750) {
        if (obj.response ~ "login.jsp") {
            set obj.http.Location = "http://jira.redcoatgames.com/login.jsp";
        } else if (obj.response ~ "login.action") {
            set obj.http.Location = "http://confluence.redcoatgames.com/login.action";
        }
        set obj.status = 301;
        return(deliver);
    }
    return (deliver);
}