Introduce kubernetes-node containers

This commit introduces containers for the Kubernetes node
services.  The node container contains the requistite package
to install the node service.  There is a container for each service
(kubelet and kube-proxy) that contain additional packages required to run
each service, as well as an atomic run label and an entrypoint for convinience
(these containers are based off of the node container).

kubernetes/kubelet/Dockerfile

@@ -0,0 +1,14 @@
+FROM fedora/kubernetes-node
+MAINTAINER Solly Ross <[email protected]>
+
+# NOTE: kubelet wants pidof (from sysvinit-tools), but it can't use it
+# properly in a container, so we skip installing it
+
+# Containerized kubelet requires nsenter
+RUN yum install -y util-linux && yum clean all
+
+# cAdvisor wants /etc/machine-id
+# containerized kubelet needs /:/rootfs and /var/lib/kubelet to mount volumes
+LABEL RUN='/usr/bin/docker run -d --privileged --net=host ${OPT1} -v /sys:/sys:ro -v /var/run/docker.sock:/var/run/docker.sock -v /var/lib/docker:/var/lib/docker -v /etc/machine-id:/etc/machine-id:ro -v /var/lib/kubelet:/var/lib/kubelet -v /:/rootfs --name ${NAME} ${IMAGE} --containerized --v=0 ${OPT3}'
+
+ENTRYPOINT ["/usr/bin/kubelet"]

kubernetes/kubelet/README.md

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+dockerfiles-fedora-kubernetes-kubelet
+=====================================
+
+Fedora dockerfile for kubelet.  Tested with Docker 1.7.1.
+
+Get Docker version
+```
+# docker version
+```
+
+To build:
+
+Build or pull the `fedora/kubernetes-node` container.
+
+Copy the source Dockerfile down and do the build:
+```
+# docker build --rm -t <username>/kubernetes-kubelet .
+```
+
+To run (use `--opt1` to pass options to Docker, and `--opt3` to pass options to kubelet):
+
+```
+# atomic run --opt1="-v /etc/kubernetes/manifests:/etc/kubernetes/manifests:ro" --opt3="--address=$MASTER_IP --config=/etc/kubernetes/manifests --hostname_override=$MASTER_IP --api_servers=http://$MASTER_IP:8080" fedora/kubernetes-kubelet
+```
+
+Refer to the Kubernetes documentation for more information about applicable options.

kubernetes/node/Dockerfile

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+FROM fedora
+MAINTAINER Solly Ross <[email protected]>
+
+RUN yum -y update && yum clean all
+RUN yum install -y kubernetes-node && yum clean all

kubernetes/node/README.md

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+dockerfiles-fedora-kubernetes-node
+==================================
+
+Base fedora dockerfile for the kubernetes node services.
+Tested with Docker 1.7.1.
+
+Get Docker version
+```
+# docker version
+```
+
+To build:
+
+Copy the source Dockerfile down and do the build:
+```
+# docker build --rm -t fedora/kubernetes-node .
+```

kubernetes/proxy/Dockerfile

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+FROM fedora/kubernetes-node
+MAINTAINER Solly Ross <[email protected]>
+
+RUN yum install -y iptables && yum clean all
+
+LABEL RUN='/usr/bin/docker run -d --net=host --privileged ${OPT1} --name ${NAME} ${IMAGE} ${OPT3}'
+
+ENTRYPOINT ["/usr/bin/kube-proxy"]

kubernetes/proxy/README.md

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+dockerfiles-fedora-kubernetes-proxy
+===================================
+
+Fedora dockerfile for kube-proxy.  Tested with Docker 1.7.1.
+
+Get Docker version
+```
+# docker version
+```
+
+To build:
+
+Build or pull the `fedora/kubernetes-node` container.
+
+Copy the source Dockerfile down and do the build:
+```
+# docker build --rm -t <username>/kubernetes-proxy .
+```
+
+To run (use `--opt1` to pass options to Docker, and `--opt3` to pass options to proxy):
+
+```
+# atomic run --opt3="--master=http://$MASTER_IP:8080" fedora/kubernetes-proxy
+```
+
+Refer to the Kubernetes documentation for more information about applicable options.