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From Avinash sridharan <avin...@mesosphere.io>
Subject Re: Review Request 51097: Added a `PortMapper` class.
Date Mon, 29 Aug 2016 15:58:37 GMT


> On Aug. 29, 2016, 1:59 a.m., Qian Zhang wrote:
> > src/slave/containerizer/mesos/isolators/network/cni/plugins/port_mapper/port_mapper.cpp,
line 49
> > <https://reviews.apache.org/r/51097/diff/13/?file=1487596#file1487596line49>
> >
> >     The indent should be 4 spaces, please see the following code as a reference.
> >     https://github.com/apache/mesos/blob/1.0.0/src/slave/containerizer/mesos/containerizer.cpp#L179:L180
> >     
> >     Ditto for all other places.

Yeah, I saw that. The problem is that vim is doing this indentation, since it sees two function
calls, I think it autoindents to 8 spaces. Not sure if that is the right thing. Let me check
with Jie or one of the other shepherds. Its a bit of a pain to do this manually.


> On Aug. 29, 2016, 1:59 a.m., Qian Zhang wrote:
> > src/slave/containerizer/mesos/isolators/network/cni/spec.cpp, line 63
> > <https://reviews.apache.org/r/51097/diff/13/?file=1487598#file1487598line63>
> >
> >     I would suggest to switch `msg` and `code`.

You mean the parameters right? The default values should always be at the end. May be I didn't
understand the comment?


- Avinash


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https://reviews.apache.org/r/51097/#review147113
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On Aug. 28, 2016, 7:14 p.m., Avinash sridharan wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/51097/
> -----------------------------------------------------------
> 
> (Updated Aug. 28, 2016, 7:14 p.m.)
> 
> 
> Review request for mesos, Jie Yu and Qian Zhang.
> 
> 
> Bugs: MESOS-6023
>     https://issues.apache.org/jira/browse/MESOS-6023
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> This class will embody the logic for implementing the CNI port-mapper
> plugin.
> 
> Also added helper functions in `cni::spec` to be able to log CNI
> plugin error as a JSON formatted string of `spec::error`.
> 
> 
> Diffs
> -----
> 
>   src/Makefile.am 120a715eeeb7fb222d1169500950b5c7643df554 
>   src/slave/containerizer/mesos/isolators/network/cni/plugins/port_mapper/main.cpp PRE-CREATION

>   src/slave/containerizer/mesos/isolators/network/cni/plugins/port_mapper/port_mapper.hpp
PRE-CREATION 
>   src/slave/containerizer/mesos/isolators/network/cni/plugins/port_mapper/port_mapper.cpp
PRE-CREATION 
>   src/slave/containerizer/mesos/isolators/network/cni/spec.hpp e6967415a689184f13d65a986f13b0af54364fb2

>   src/slave/containerizer/mesos/isolators/network/cni/spec.cpp 938a9f3bff2a95c8591450f0edafaddb01833e59

> 
> Diff: https://reviews.apache.org/r/51097/diff/
> 
> 
> Testing
> -------
> 
> Tested the port-mapper with the following CNI config:
> {
>     "name": "mynet",
>     "type": "port-mapper",
>     "chain": "MESOS",
>     "delegate": {
>       "type" : "bridge",
>       "bridge": "cni0",
>       "isGateway": true,
>       "ipMasq": true,
>       "ipam": {
>           "type": "host-local",
>           "subnet": "10.22.0.0/16",
>           "routes": [
>             { "dst": "0.0.0.0/0" }
>           ]
>       }
>     },
>     "args" : {
>       "org.apache.mesos" : {
>         "network_info" : {
>           "port_mappings": {
>             "host_port" : 80,
>             "container_port" : 80
>           }
>         }
>       }
>     }
> }
> 
> and the following environment variables:
> export CNI_COMMAND="ADD"
> export CNI_CONTAINERID="0000000111101110"
> export CNI_PATH="$MESOS_INSTALL:/home/vagrant/dev/go/cni/bin"
> export CNI_IFNAME="eth0"
> export CNI_NETNS="/etc/netns"
> 
> If we remove fields from the above CNI config, or remove certain environment variables
the creation of the `PortMapper` correctly fails. However, if config and environment variables
are passed as is it will create the `PortMapper` correctly.
> 
> 
> Thanks,
> 
> Avinash sridharan
> 
>


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