Thanks for taking the time to respond.
On 2017-03-17 13:02 (-0600), Avinash Sridharan <avin...@mesosphere.io> wrote: > Hi Marcus, > The CNI Spec you are seeing is the latest SPEC of v0.3 . Mesos currently > supports v0.2 and below. You can check out the by looking at the "tags" in > the CNI repo. For e.g., > https://github.com/containernetworking/cni/blob/v0.4.0/SPEC.md > > We have tickets open to support SPEC v0.3. Hopefully we can get to it > pretty soon. > > https://issues.apache.org/jira/browse/MESOS-7175 > > On Fri, Mar 17, 2017 at 11:33 AM, Marcus <shadow...@gmail.com> wrote: > > > Hi, > > I've been working on potentially building a custom CNI plugin. I'm > > following the spec found here: > > > > https://github.com/containernetworking/cni/blob/master/SPEC.md > > > > I've found that the documented JSON result for the ADD command doesn't > > result in Mesos or upstream frameworks being able to identify the assigned > > IP. That is, there is no IP showing at the Mesos API level. This might just > > be a misunderstanding or configuration issue on my part, but input would be > > appreciated. > > > > Looking at > > "src/slave/containerizer/mesos/isolators/network/cni/spec.proto", I > > guessed > > that I should be returning a different structure, and that structure works. > > I don't see this structure explicitly documented anywhere, but the primary > > difference is that there's an "ip" array in the documented spec, and an > > "ip4" object in the working version. > > > > One thing I did notice is per the spec document it shows a prevResult in > > the format that works for me. > > > > I am using master, I'll roll back to maybe the 1.1.1 RC (since it is > > getting attention now on the mailing list) and see if the behavior is any > > different. > > > > Here's my JSON that I believe matches the spec but doesn't show the IP in > > the Mesos frontend: > > > > { > > "cniVersion": "0.3.0", > > "interfaces": [ > > { > > "name": "eth0", > > "mac": "36:c0:43:08:97:f7", > > "sandbox": "" > > } > > ], > > "ip": [ > > { > > "version": "4", > > "address": "10.1.10.170/24", > > "gateway": "10.10.10.1", > > "interface": 0 > > } > > ], > > "dns": { > > "nameservers": [ > > "10.10.10.1" > > ] > > } > > } > > > > And here's the modified JSON that is working: > > > > { > > "cniVersion": "0.3.0", > > "interfaces": [ > > { > > "name": "eth0", > > "mac": "36:c0:43:08:97:f7", > > "sandbox": "" > > } > > ], > > "ip4": { > > "ip": "10.10.10.170/24", > > "gateway": "10.10.10.1", > > "interface": 0 > > }, > > "dns": { > > "nameservers": [ > > "10.10.10.1" > > ] > > } > > } > > > > > > -- > Avinash Sridharan, Mesosphere > +1 (323) 702 5245 >
