[hobbit] hobbitd_larrd is crashing

[Larry Barber]

rrdtool performs as expected:

-bash-2.05b$ /usr/local/rrdtool-1.2.10/bin/rrdtool create /foo.rrd
DS:sec:GAUGE:600:0:U RRA:AVERAGE:0.5:1:576
ERROR: creating '/foo.rrd': Permission denied

Thanks,
Larry Barber


On 6/9/06, Henrik Stoerner <henrik at hswn.dk> wrote:
>
> On Fri, Jun 09, 2006 at 05:01:55PM -0500, Larry Barber wrote:
> > No joy, it is still crashing, stack trace:
>
> Does rrdtool work for you? Try running
>    rrdtool create /foo.rrd DS:sec:GAUGE:600:0:U RRA:AVERAGE:0.5:1:576
> Assuming you're not root, this should print out the message
>    ERROR: creating '/foo.rrd': Permission denied
>
> > I was looking at your patch, and it doesn't look to me like that new
> lines
> > are doing the same thing as the old:
> >
> > -     strcat(filedir, "/"); strcat(filedir, fn);
> > +     snprintf(filedir, sizeof(filedir)-1, "%s/%s/%s", rrddir, hostname,
> fn);
> > +     filedir[sizeof(filedir)-1] = '\0';
> >       creparams[1] = filedir; /* Icky */
> >
> > It looks like the original line creates something like "filedir/fn"
> > while the new lines create something like "filedir/hostname/fn". Is
> > this right?
>
> It is. In the old version, "filedir" contained the rrd top-level
> directory + the hostname, e.g. "/hobbit/rrd/myhost", and then it
> added an extra "/" and the rrd filename.
>
> The new version just uses snprintf() to output the top-level
> directory + the hostname-directory + the rrd filename in one go.
>
>         sprintf(filedir, "%s/%s", rrddir, hostname);
>         if (stat(filedir, &st) == -1) {
>                 ...
>         }
>         snprintf(filedir, sizeof(filedir)-1, "%s/%s/%s", rrddir, hostname,
> fn);
>         filedir[sizeof(filedir)-1] = '\0';
>
>
> Regards,
> Henrik
>
>
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>
>
>
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