web interface on a different machine then Nagios daemon.
kyle.odonnell at gmail.com
kyle.odonnell at gmail.com
Mon Feb 11 14:11:35 CET 2008
woops email cut off..
Add a kill -9 of the tail/script in the nagios stop case.
If you're concerned about file size, create a logrotate script for the file..
--Kyle
On 2/11/08, kyle.odonnell at gmail.com <kyle.odonnell at gmail.com> wrote:
> I found a way around this, but its not pretty:
>
> Modify nagios-src/cgi/cmd.c to write to a flat file instead of the
> command pipe:
>
> int write_command_to_file(char *cmd){
> FILE *fp;
> struct stat statbuf;
>
> /* bail out if the external command file doesn't exist */
> if(stat("/path/to/var/spool/cgi.pipe",&statbuf)){
>
> if(content_type==WML_CONTENT)
> printf("<p>Error: Could not stat() external
> command file!</p>\n");
> else{
> printf("<P><DIV CLASS='errorMessage'>Error:
> Could not stat() command file
> '%s'!</DIV></P>\n","/path/to/var/spool/cgi.pipe");
> printf("<P><DIV CLASS='errorDescription'>");
> printf("The external command file may be
> missing, Nagios may not be running, and/or Nagios may not be checking
> external commands.\n");
> printf("</DIV></P>\n");
> }
>
> return ERROR;
> }
>
> /* open the command for writing (since this is a pipe, it will
> really be appended) */
> fp=fopen("/path/to/var/spool/cgi.pipe","w");
> if(fp==NULL){
>
> if(content_type==WML_CONTENT)
> printf("<p>Error: Could not open command file
> for update!</p>\n");
> else{
> printf("<P><DIV CLASS='errorMessage'>Error:
> Could not open command file '%s' for
> update!</DIV></P>\n","/path/to/var/spool/cgi.pipe");
> printf("<P><DIV CLASS='errorDescription'>");
> printf("The permissions on the external
> command file and/or directory may be incorrect. Read the FAQs on how
> to setup proper permissions.\n");
> printf("</DIV></P>\n");
> }
>
> return ERROR;
> }
>
>
> Create a script like this:
>
> # cat cmdpipe.sh
> #!/bin/sh
> /bin/true > /path/to/var/spool/cgi.pipe
> chown nagios:nagios /path/to/var/spool/cgi.pipe
> /usr/bin/tail -F /path/to/var/spool/cgi.pipe > /path/to/var/spool/nagios.cmd
> &
>
>
> Add it to your nagios start script:
>
> start)
> echo -en "\nStarting network monitor: nagios"
> $NagiosBin -v $NagiosCfgFile > /dev/null 2>&1;
> if [ $? -eq 0 ]; then
> su - $NagiosUser -c "touch $NagiosVarDir/nagios.log
> $NagiosRetentionFile"
> rm -f $NagiosCommandFile
> touch $NagiosRunFile
> chown $NagiosUser:$NagiosGroup $NagiosRunFile
> $NagiosBin -d $NagiosCfgFile
> su - nagios -c "/path/to/cmdpipe.sh" > /dev/null 2>&1 &
>
>
> On 2/11/08, seb <seb at virer.net> wrote:
> > Hi,
> >
> > I have installed nagios 3.0rc2 on a machine
> > and run the nagios daemon process on a other
> > /var/spool/nagios
> > and /var/log/nagios are shared over NFS
> > and it works pretty fine.
> >
> > BUT! when I want to add/remove a comment, reschedule or submit passive
> > results, cmd.cgi freeze !
> >
> > The idea is to have only one virtual machine with apache http service and
> > one with nagios process without httpd running.
> > so if it can works or not please tell me
> >
> > I think permission is OK I have set 2777 nagios.apache on every directory
> > but when I "post" someting to "cmd.cgi" It hangs...
> >
> > I have try on the command line
> >
> > export REQUEST_METHOD="post"
> > export QUERY_STRING="cmd_typ=4&cmd_mod=2&com_id=21"
> > export REMOTE_USER="xxxx"
> >
> > ./cmd.cgi
> >
> > but it also freeze after reply me this :
> >
> > Content-type: text/html
> >
> > <html>
> > <head>
> > <link rel="shortcut icon" href="/nagios/images/favicon.ico"
> > type="image/ico">
> > <title>
> > External Command Interface
> > </title>
> > <LINK REL='stylesheet' TYPE='text/css'
> > HREF='/nagios/stylesheets/common.css'>
> > <LINK REL='stylesheet' TYPE='text/css' HREF='/nagios/stylesheets/cmd.css'>
> > </head>
> > <body CLASS='cmd'>
> >
> > <!-- Produced by Nagios (http://www.nagios.org). Copyright (c) 1999-2007
> > Ethan Galstad. -->
> > <table border=0 width=100%>
> > <tr>
> > <td align=left valign=top width=33%>
> > <TABLE CLASS='infoBox' BORDER=1 CELLSPACING=0 CELLPADDING=0>
> > <TR><TD CLASS='infoBox'>
> > <DIV CLASS='infoBoxTitle'>External Command Interface</DIV>
> > Last Updated: Mon Feb 11 13:32:27 CET 2008<BR>
> > Nagios® 3.0rc2 - <A HREF='http://www.nagios.org' TARGET='_new'
> > CLASS='homepageURL'>www.nagios.org</A><BR>
> > Logged in as <i>xxxx</i><BR>
> > </TD></TR>
> > </TABLE>
> > </td>
> > <td align=center valign=top width=33%>
> > </td>
> > <td align=right valign=bottom width=33%>
> > </td>
> > </tr>
> > </table>
> >
> > Any idea ?
> >
> > Thanks
> >
> > Sebastien CAPS
> >
> >
> >
> > -------------------------------------------------------------------------
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> > ::: Please include Nagios version, plugin version (-v) and OS when
> reporting
> > any issue.
> > ::: Messages without supporting info will risk being sent to /dev/null
> >
>
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