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vendor.conf: Bump CNI to v0.6.0
Neither the nominal version nor vendored content had changed since a031b83a (Initial checkin from CRI-O repo, 2017-11-01): $ git ls-tree origin/master -- vendor/github.com/containernetworking/cni 040000 tree 744c091cc1dbb869b2cf714cf6b5e8d33fe17d9c vendor/github.com/containernetworking/cni $ git ls-tree a031b83a -- vendor/github.com/containernetworking/cni 040000 tree 744c091cc1dbb869b2cf714cf6b5e8d33fe17d9c vendor/github.com/containernetworking/cni $ git grep /cni a031b83a -- vendor.conf a031b83a:vendor.conf:github.com/containernetworking/cni v0.4.0 I'm not quite sure which upstream version the old vendored content came from, but it certainly wasn't v0.4.0. I've bumped our nominal version to v0.6.0 and re-vendored with: $ vndr github.com/containernetworking/cni $ git add -A vendor/github.com/containernetworking/cni to generate this commit. The only change to the vendored content is text in the README (unlikely to break anything ;), and sitting on an upstream tag is nice, so I think this is good enough. Signed-off-by: W. Trevor King <wking@tremily.us> Closes: #750 Approved by: mheon
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@ -2,15 +2,25 @@
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[](https://coveralls.io/github/containernetworking/cni?branch=master)
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[](https://cryptic-tundra-43194.herokuapp.com/)
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---
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# Community Sync Meeting
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There is a community sync meeting for users and developers every 1-2 months. The next meeting will help on a Google Hangout and the link is in the [agenda](https://docs.google.com/document/d/10ECyT2mBGewsJUcmYmS8QNo1AcNgy2ZIe2xS7lShYhE/edit?usp=sharing) (Notes from previous meeting are also in this doc). The next meeting will be held on *Wednesday, June 21th* at *3:00pm UTC* [Add to Calendar]https://www.worldtimebuddy.com/?qm=1&lid=100,5,2643743,5391959&h=100&date=2017-6-21&sln=15-16).
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---
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# CNI - the Container Network Interface
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## What is CNI?
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The CNI (_Container Network Interface_) project consists of a specification and libraries for writing plugins to configure network interfaces in Linux containers, along with a number of supported plugins.
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CNI (_Container Network Interface_), a [Cloud Native Computing Foundation](https://cncf.io) project, consists of a specification and libraries for writing plugins to configure network interfaces in Linux containers, along with a number of supported plugins.
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CNI concerns itself only with network connectivity of containers and removing allocated resources when the container is deleted.
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Because of this focus, CNI has a wide range of support and the specification is simple to implement.
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As well as the [specification](SPEC.md), this repository contains the Go source code of a library for integrating CNI into applications, an example command-line tool, a template for making new plugins, and the supported plugins.
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As well as the [specification](SPEC.md), this repository contains the Go source code of a [library for integrating CNI into applications](libcni) and an [example command-line tool](cnitool) for executing CNI plugins. A [separate repository contains reference plugins](https://github.com/containernetworking/plugins) and a template for making new plugins.
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The template code makes it straight-forward to create a CNI plugin for an existing container networking project.
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CNI also makes a good framework for creating a new container networking project from scratch.
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@ -27,7 +37,8 @@ To avoid duplication, we think it is prudent to define a common interface betwee
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- [rkt - container engine](https://coreos.com/blog/rkt-cni-networking.html)
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- [Kurma - container runtime](http://kurma.io/)
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- [Kubernetes - a system to simplify container operations](http://kubernetes.io/docs/admin/network-plugins/)
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- [Cloud Foundry - a platform for cloud applications](https://github.com/cloudfoundry-incubator/netman-release)
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- [OpenShift - Kubernetes with additional enterprise features](https://github.com/openshift/origin/blob/master/docs/openshift_networking_requirements.md)
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- [Cloud Foundry - a platform for cloud applications](https://github.com/cloudfoundry-incubator/cf-networking-release)
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- [Mesos - a distributed systems kernel](https://github.com/apache/mesos/blob/master/docs/cni.md)
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### 3rd party plugins
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@ -37,8 +48,14 @@ To avoid duplication, we think it is prudent to define a common interface betwee
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- [SR-IOV](https://github.com/hustcat/sriov-cni)
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- [Cilium - BPF & XDP for containers](https://github.com/cilium/cilium)
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- [Infoblox - enterprise IP address management for containers](https://github.com/infobloxopen/cni-infoblox)
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- [Multus - a Multi plugin](https://github.com/Intel-Corp/multus-cni)
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- [Romana - Layer 3 CNI plugin supporting network policy for Kubernetes](https://github.com/romana/kube)
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- [CNI-Genie - generic CNI network plugin](https://github.com/Huawei-PaaS/CNI-Genie)
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- [Nuage CNI - Nuage Networks SDN plugin for network policy kubernetes support ](https://github.com/nuagenetworks/nuage-cni)
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- [Silk - a CNI plugin designed for Cloud Foundry](https://github.com/cloudfoundry-incubator/silk)
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- [Linen - a CNI plugin designed for overlay networks with Open vSwitch and fit in SDN/OpenFlow network environment](https://github.com/John-Lin/linen-cni)
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The CNI team also maintains some [core plugins](plugins).
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The CNI team also maintains some [core plugins in a separate repository](https://github.com/containernetworking/plugins).
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## Contributing to CNI
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@ -50,19 +67,16 @@ If you intend to contribute to code or documentation, please read [CONTRIBUTING.
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### Requirements
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CNI requires Go 1.5+ to build.
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The CNI spec is language agnostic. To use the Go language libraries in this repository, you'll need a recent version of Go. Our [automated tests](https://travis-ci.org/containernetworking/cni/builds) cover Go versions 1.7 and 1.8.
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Go 1.5 users will need to set GO15VENDOREXPERIMENT=1 to get vendored
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dependencies. This flag is set by default in 1.6.
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### Reference Plugins
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### Included Plugins
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This repository includes a number of common plugins in the `plugins/` directory.
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Please see the [Documentation/](Documentation/) directory for documentation about particular plugins.
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The CNI project maintains a set of [reference plugins](https://github.com/containernetworking/plugins) that implement the CNI specification.
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NOTE: the reference plugins used to live in this repository but have been split out into a [separate repository](https://github.com/containernetworking/plugins) as of May 2017.
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### Running the plugins
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The scripts/ directory contains two scripts, `priv-net-run.sh` and `docker-run.sh`, that can be used to exercise the plugins.
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After building and installing the [reference plugins](https://github.com/containernetworking/plugins), you can use the `priv-net-run.sh` and `docker-run.sh` scripts in the `scripts/` directory to exercise the plugins.
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**note - priv-net-run.sh depends on `jq`**
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@ -100,14 +114,15 @@ The directory `/etc/cni/net.d` is the default location in which the scripts will
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Next, build the plugins:
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```bash
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$ ./build
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$ cd $GOPATH/src/github.com/containernetworking/plugins
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$ ./build.sh
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```
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Finally, execute a command (`ifconfig` in this example) in a private network namespace that has joined the `mynet` network:
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```bash
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$ CNI_PATH=`pwd`/bin
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$ cd scripts
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$ CNI_PATH=$GOPATH/src/github.com/containernetworking/plugins/bin
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$ cd $GOPATH/src/github.com/containernetworking/cni/scripts
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$ sudo CNI_PATH=$CNI_PATH ./priv-net-run.sh ifconfig
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eth0 Link encap:Ethernet HWaddr f2:c2:6f:54:b8:2b
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inet addr:10.22.0.2 Bcast:0.0.0.0 Mask:255.255.0.0
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@ -115,7 +130,7 @@ eth0 Link encap:Ethernet HWaddr f2:c2:6f:54:b8:2b
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UP BROADCAST MULTICAST MTU:1500 Metric:1
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RX packets:1 errors:0 dropped:0 overruns:0 frame:0
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TX packets:0 errors:0 dropped:1 overruns:0 carrier:0
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collisions:0 txqueuelen:0
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collisions:0 txqueuelen:0
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RX bytes:90 (90.0 B) TX bytes:0 (0.0 B)
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lo Link encap:Local Loopback
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@ -124,7 +139,7 @@ lo Link encap:Local Loopback
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UP LOOPBACK RUNNING MTU:65536 Metric:1
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RX packets:0 errors:0 dropped:0 overruns:0 frame:0
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TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
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collisions:0 txqueuelen:0
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collisions:0 txqueuelen:0
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RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
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```
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@ -136,8 +151,8 @@ Use the instructions in the previous section to define a netconf and build the p
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Next, docker-run.sh script wraps `docker run`, to execute the plugins prior to entering the container:
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```bash
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$ CNI_PATH=`pwd`/bin
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$ cd scripts
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$ CNI_PATH=$GOPATH/src/github.com/containernetworking/plugins/bin
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$ cd $GOPATH/src/github.com/containernetworking/cni/scripts
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$ sudo CNI_PATH=$CNI_PATH ./docker-run.sh --rm busybox:latest ifconfig
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eth0 Link encap:Ethernet HWaddr fa:60:70:aa:07:d1
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inet addr:10.22.0.2 Bcast:0.0.0.0 Mask:255.255.0.0
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@ -145,7 +160,7 @@ eth0 Link encap:Ethernet HWaddr fa:60:70:aa:07:d1
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UP BROADCAST MULTICAST MTU:1500 Metric:1
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RX packets:1 errors:0 dropped:0 overruns:0 frame:0
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TX packets:0 errors:0 dropped:1 overruns:0 carrier:0
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collisions:0 txqueuelen:0
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collisions:0 txqueuelen:0
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RX bytes:90 (90.0 B) TX bytes:0 (0.0 B)
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lo Link encap:Local Loopback
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@ -154,7 +169,7 @@ lo Link encap:Local Loopback
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UP LOOPBACK RUNNING MTU:65536 Metric:1
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RX packets:0 errors:0 dropped:0 overruns:0 frame:0
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TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
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collisions:0 txqueuelen:0
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collisions:0 txqueuelen:0
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RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
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```
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