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Hi, I win !!! :)
Using this configuration ...
---------------------------------------------------
virtual = 192.168.0.235:8080
fallback = 127.0.0.1:8080
real = 192.168.0.28:8080 gate 5
protocol = tcp
checktype = connect
scheduler = wlc
persistent = 120
---------------------------------------------------
... ldirectord check only port 8080 could be connected ...
---------------------------------------------------
[root@midir perl5]# ldirectord -d start
DEBUG2: Running exec(/usr/sbin/ldirectord -d start)
Running exec(/usr/sbin/ldirectord -d start)
DEBUG2: Starting Linux Director v1.77 with pid: 5655
Starting Linux Director v1.77 with pid: 5655
DEBUG2: Running system(/sbin/ipvsadm -A -t 192.168.0.235:8080 -s wlc -p 120 )
Running system(/sbin/ipvsadm -A -t 192.168.0.235:8080 -s wlc -p 120 )
DEBUG2: Added virtual server: 192.168.0.235:8080
Added virtual server: 192.168.0.235:8080
DEBUG2: Running system(/sbin/ipvsadm -a -t 192.168.0.235:8080 -r
127.0.0.1:8080 -g -w 1)
Running system(/sbin/ipvsadm -a -t 192.168.0.235:8080 -r 127.0.0.1:8080 -g
-w 1)
DEBUG2: Added fallback server: 127.0.0.1:8080 (0 x 192.168.0.235:8080)
(Weight set to 1)
Added fallback server: 127.0.0.1:8080 (0 x 192.168.0.235:8080) (Weight set
to 1)
DEBUG2: Checking connect: real server=connect:tcp:192.168.0.28:8080::5:\/:
(virtual=tcp:192.168.0.235:8080)
DEBUG3: Connected to (port 8080)
DEBUG2: Running system(/sbin/ipvsadm -a -t 192.168.0.235:8080 -r
192.168.0.28:8080 -g -w 5)
Running system(/sbin/ipvsadm -a -t 192.168.0.235:8080 -r 192.168.0.28:8080
-g -w 5)
DEBUG2: Added real server: 192.168.0.28:8080 (0 x 192.168.0.235:8080)
(Weight set to 5)
Added real server: 192.168.0.28:8080 (0 x 192.168.0.235:8080) (Weight set to 5)
DEBUG2: Running system(/sbin/ipvsadm -d -t 192.168.0.235:8080 -r
127.0.0.1:8080)
Running system(/sbin/ipvsadm -d -t 192.168.0.235:8080 -r 127.0.0.1:8080)
DEBUG2: Deleted fallback server: 127.0.0.1:8080 (1 x 192.168.0.235:8080)
Deleted fallback server: 127.0.0.1:8080 (1 x 192.168.0.235:8080)
DEBUG2: Enabled server=192.168.0.28
DEBUG3: Activated service 192.168.0.28:8080
DEBUG2: Checking connect: real server=connect:tcp:192.168.0.28:8080::5:\/:
(virtual=tcp:192.168.0.235:8080)
DEBUG3: Connected to (port 8080)
DEBUG3: Activated service 192.168.0.28:8080
---------------------------------------------------
Do you think that it's correct?
If you haven't any other solution ... I'm going to work with this
configuration.
Bye, Morgan
At 15.18 16/04/2004, you wrote:
Hi.
If I use this configuration:
---------------------------------------------------
virtual = 192.168.0.235:8080
fallback = 127.0.0.1:8080
real = 192.168.0.28:8080 gate 5
protocol = tcp
service = http
scheduler = wlc
persistent = 120
request = "http://192.168.0.99/.testpage";
receive = "Bad Request"
---------------------------------------------------
Debug messages are:
---------------------------------------------------
[root@midir perl5]# ldirectord -d start
DEBUG2: Running exec(/usr/sbin/ldirectord -d start)
Running exec(/usr/sbin/ldirectord -d start)
DEBUG2: Starting Linux Director v1.77 with pid: 5553
Starting Linux Director v1.77 with pid: 5553
DEBUG2: Running system(/sbin/ipvsadm -A -t 192.168.0.235:8080 -s wlc -p 120 )
Running system(/sbin/ipvsadm -A -t 192.168.0.235:8080 -s wlc -p 120 )
DEBUG2: Added virtual server: 192.168.0.235:8080
Added virtual server: 192.168.0.235:8080
DEBUG2: Running system(/sbin/ipvsadm -a -t 192.168.0.235:8080 -r
127.0.0.1:8080 -g -w 1)
Running system(/sbin/ipvsadm -a -t 192.168.0.235:8080 -r 127.0.0.1:8080 -g
-w 1)
DEBUG2: Added fallback server: 127.0.0.1:8080 (0 x 192.168.0.235:8080)
(Weight set to 1)
Added fallback server: 127.0.0.1:8080 (0 x 192.168.0.235:8080) (Weight set
to 1)
DEBUG2: Checking negotiate: real
server=negotiate:http:tcp:192.168.0.28:8080::5:\/http\:\/\/10\.120\.128\.98\/\.testpage:Bad\
Request (virtual=tcp:192.168.0.235:8080)
DEBUG2: Checking http:
url="http://192.168.0.28:8080/http://192.168.0.99/.testpage";
LWP::UserAgent::new: ()
LWP::UserAgent::request: ()
LWP::UserAgent::send_request: GET
http://192.168.0.28:8080/http://192.168.0.99/.testpage
LWP::UserAgent::_need_proxy: Not proxied
LWP::Protocol::http::request: ()
LWP::Protocol::collect: read 731 bytes
LWP::Protocol::collect: read 145 bytes
LWP::UserAgent::request: Simple response: Bad Request
DEBUG2: Disabled server=192.168.0.28
DEBUG3: Headers Date: Fri, 16 Apr 2004 13:07:33 GMT
Server: Squid/2.4.STABLE6
Content-Length: 876
Content-Type: text/html
Expires: Fri, 16 Apr 2004 13:07:33 GMT
Client-Date: Fri, 16 Apr 2004 14:10:04 GMT
Client-Response-Num: 1
Mime-Version: 1.0
Proxy-Connection: close
Title: ERRORE: URL cannot be retrivied
X-Cache: MISS from proxy.mydomain.com
X-Squid-Error: ERR_INVALID_URL 0
---------------------------------------------------
So ... I try to use nagios plugins to see squid' responces:
---------------------------------------------------
[root@midir plugins]# ./check_tcp -H 192.168.0.28 -p 8080
TCP OK - 0.001 second response time on port 8080|time= 0.001
[root@midir plugins]# ./check_http -H 192.168.0.28 -p 8080
HTTP WARNING: HTTP/1.0 400 Bad Request
---------------------------------------------------
And if I try with telnet to port 8080:
---------------------------------------------------
[root@midir plugins]# telnet 192.168.0.28 8080
Trying 192.168.0.28...
Connected to 192.168.0.28 (192.168.0.28).
Escape character is '^]'.
GET http://192.168.0.99/.testpage HTTP/1.0
HTTP/1.0 200 OK
Date: Fri, 16 Apr 2004 11:11:06 GMT
Server: Apache/2.0.46 (Red Hat)
Last-Modified: Thu, 15 Apr 2004 15:50:23 GMT
ETag: "57c21-a-d8b0dc0"
Accept-Ranges: bytes
Content-Length: 10
Content-Type: text/plain; charset=UTF-8
Age: 7184
X-Cache: HIT from proxy.mydomain.com
Proxy-Connection: close
test page
Connection closed by foreign host.
---------------------------------------------------
Do you have any suggestions? There isn't any pluging to check if a port is
alive or not? Or to check telnet service?
Thanks!
Morgan
At 13.52 16/04/2004, you wrote:
Morgan Marodin wrote:
>
> Hi.
>
> Is possible to check availability of SQUID's realserver with ldirectord?
> The man page tells about ftp, smtp, http, pop, nntp, imap, ldap or https
> services.
>
> Is there any trick?
possibly but I don't have a squid setup and I don't know what people do.
How about having the squid check a webpage on some local machine
(possibly even on the realservers).
Joe
--
Joseph Mack PhD, High Performance Computing & Scientific Visualization
SAIC, Supporting the EPA Research Triangle Park, NC 919-541-0007
Federal Contact - John B. Smith 919-541-1087 - smith.johnb@xxxxxxx
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