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Re: Matching multiple docker instances

From: Martin Pala
Subject: Re: Matching multiple docker instances
Date: Thu, 27 Oct 2016 13:04:17 +0200


if the command-line cannot be extended by some unique identifier (so the "check 
program ... matching ..." cannot be used), you can use the "check program" with 
custom script.

Best regards,

> On 27 Oct 2016, at 10:20, Francesco Albanese <address@hidden> wrote:
> Hello,
> recently I put into production a docker image running in multiple containers.
> As the executed command stays the same, doing a process regex matching
> is useless.
> Also, docker does not write PID files out (only ID files).
> My partial workaround is to call "docker top ID" with "check program",
> but I can only get a binary check:
> dead / alive container. Indeed, without a PID file I cannot exert any
> check on the used resources.
> Am I hitting a technical limitation of Monit ? Am I missing something ?
> Do you - core developers - envision the possibility to read a PID from
> a program (e.g. docker inspect) instead of using procfs ?
> Cheers
> --
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