Re: [pcp] Help with Python API

[Rohan Arora <rarora2012@xxxxxxxxx>]

Hi,

Sorry I still haven't had a chance to really look at the issue with connecting pmlogger to a remote host yet, but in a previous e-mail, Nathan mentioned result->timestamp, which I'm assuming is the result you get from calling context.pmFetch(metric_ids), correct? How do I access this timestamp from Python? I want to put the timestamp for when a metric was fetched into a list of timestamps.

Thanks,

Rohan

On Wed, Jul 1, 2015 at 6:17 PM Ken McDonell <kenj@xxxxxxxxxxxxxxxx> wrote:

On 02/07/15 02:07, Rohan Arora wrote:
> I tried following the directions on that page, the telnet error that I
> get is "Connect failed" rather than "Connection refused". I have
> verified that pmcd is running on the host I am trying to connect to as
> it is shown as running as a service, and I am able to use pminfo as
> well. Does it matter that the host is protected using a putty private
> key when using ssh? I am not sure where to go from here really.

Are you able to use pminfo on the same system connecting to the remote pmcd (i.e. the same client-server arrangement where pmlogger is not working)? That would be odd.

In any event the following output would help diagnose ...

On the client system

$ pminfo -v -Dcontext -h <remotehost> disk.all
$ echo "log mandatory on once { disk.dev }" | pmlogger -Dcontext -h <remotehost> -l /dev/tty foobar
^C
$ pminfo -a foobar

And on the remote system, the contents of:

/etc/pcp/pmcd/pmcd.conf
/var/log/pcp/pmcd/pmcd.log

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