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The standard runc containers are working.

What setup can I post to this email thread for us to verify?

Thanks,
Al

On Wed, Nov 20, 2019 at 9:13 AM Ernst, Eric <eric.ernst at intel.com> wrote:

> Networking should be transparent to you.
>
> If you have standard (runc) containers working but see failures with Kata,
> then this is an issue.
>
> Can you please verify your setup as a first step?
>
> Eric
>
> On Nov 20, 2019, at 8:41 AM, Al Lau <lauatic at gmail.com> wrote:
>
> 
>
> Q1. Are these all kata-container VMs
>
> Yes.  These are all kata-containers VMs.
>
>
>
> Q2. Are you using some standard container networking infra, like CNI, to
> link them together?
>
> Yes.  We use the CNI and set up a new bridge plugin in /etc/cni/net.d/
> directory.  This is what I have already done.  I'm still debugging the
> issue I'm facing in getting the VMs to communicate.
>
>
> Thanks,
>
> Al
>
> On Wed, Nov 20, 2019 at 8:18 AM Whaley, Graham <graham.whaley at intel.com>
> wrote:
>
>> I won’t have the answers, but some questions to help clarify…
>>
>>
>>
>> Q1. Are these all kata-container VMs
>>
>>
>>
>> Q2. Are you using some standard container networking infra, like CNI, to
>> link them together?
>>
>>
>>
>> Afaik, kata should ‘just work’ if sat under a CNI setup.
>>
>>
>>
>> Kata has a number of ways it can discover/config/integrate with the
>> networking passed in from the higher levels – iirc, we default to using
>> ‘tcfilter’ at the moment. Have a look in the config file for some more info.
>>
>>
>> https://github.com/kata-containers/runtime/blob/master/cli/config/configuration-qemu.toml.in#L378
>>
>>
>>
>> bottom line is I think, if the higher level orchestration has set up the
>> networking correctly as it would for say ‘runc’, then kata should pick that
>> up and translate/re-configure it into the VM and host side so it works
>> ‘seamlessly’.
>>
>>
>>
>> Graham
>>
>>
>>
>> *From:* Al Lau [mailto:lauatic at gmail.com]
>> *Sent:* Wednesday, November 20, 2019 3:27 PM
>> *To:* kata-dev at lists.katacontainers.io
>> *Subject:* [kata-dev] Networking between containers in qemu processes
>>
>>
>>
>> Hi,
>>
>> I'm looking for information on how to set up communication between
>> containers running within virtual machines.  On a host, there are multiple
>> VMs with containers and set up networking between the containers in
>> different VMs.
>>
>>
>>
>> Thanks,
>>
>> Al
>>
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