kubernetes_on_fedora [Doku Wiki]

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===== Getting Kubernetes =====

==== kubernetes.io ====

  * [[https://kubernetes.io/|https://kubernetes.io/]]
    * [[https://kubernetes.io/docs/home/|Documentation]]
    * [[https://kubernetes.io/blog/|Blog]]

==== Main GitHub links ====

  * [[https://github.com/kubernetes/|Top level]]
    * [[https://github.com/kubernetes/kubernetes|Source]]
    * [[https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.10.md#v1100|ChangeLog]] (v1.10.0)

==== Installation script ====

Script is [[https://get.k8s.io/|here]], run one of:

<code>
$ wget -q -O - https://get.k8s.io | bash
$ curl -fsSL https://get.k8s.io | bash
</code>

==== Installation tarballs ====

  * [[https://dl.k8s.io/v1.10.0/kubernetes.tar.gz|kubernetes.tar.gz]]
  * [[https://dl.k8s.io/v1.10.0/kubernetes-src.tar.gz|kubernetes-src.tar.gz]]
  * [[https://dl.k8s.io/v1.10.0/kubernetes-client-linux-amd64.tar.gz|kubernetes-client-linux-amd64.tar.gz]]
  * [[https://dl.k8s.io/v1.10.0/kubernetes-server-linux-amd64.tar.gz|kubernetes-server-linux-amd64.tar.gz]]
  * [[https://dl.k8s.io/v1.10.0/kubernetes-node-linux-amd64.tar.gz|kubernetes-node-linux-amd64.tar.gz]]

===== Installation =====

==== Base tarball ====

Given ''kubernetes.tar.gz'':

<code>
$ tar xzf kubernetes.tar.gz
</code>

then script runs:

  * ''download_kube_binaries''
  * ''create_cluster''

==== download_kube_binaries() ====

Invokes ''get-kube-binaries.sh'':

<code>
# Use the script from inside the Kubernetes tarball to fetch the client and
# server binaries (if not included in kubernetes.tar.gz).
function download_kube_binaries {
  (
    cd kubernetes
    if [[ -x ./cluster/get-kube-binaries.sh ]]; then
      # Make sure to use the same download URL in get-kube-binaries.sh
      KUBERNETES_RELEASE_URL="${KUBERNETES_RELEASE_URL}" \
        ./cluster/get-kube-binaries.sh
    fi
  )
}
</code>

==== create_cluster() ====

Invokes ''kube-up.sh'':

<code>
function create_cluster {
  if [[ -n "${KUBERNETES_SKIP_CREATE_CLUSTER-}" ]]; then
    exit 0
  fi
  echo "Creating a kubernetes on ${KUBERNETES_PROVIDER:-gce}..."
  (
    cd kubernetes
    ./cluster/kube-up.sh
    echo "Kubernetes binaries at ${PWD}/cluster/"
    if [[ ":$PATH:" != *":${PWD}/cluster:"* ]]; then
      echo "You may want to add this directory to your PATH in \$HOME/.profile"
    fi

    echo "Installation successful!"
  )
}
</code>

==== cluster/get-kube-binaries.sh ====

<code>
KUBE_ROOT=$(cd $(dirname "${BASH_SOURCE}")/.. && pwd)
KUBE_VERSION=$(cat "${KUBE_ROOT}/version")
CLIENT_PLATFORM="linux"
CLIENT_ARCH="amd64"
SERVER_TAR="kubernetes-server-${SERVER_PLATFORM}-${SERVER_ARCH}.tar.gz"
CLIENT_TAR="kubernetes-client-${CLIENT_PLATFORM}-${CLIENT_ARCH}.tar.gz"
</code>

Result:

<code>
Will download kubernetes-server-linux-amd64.tar.gz from https://dl.k8s.io/v1.10.0
Will download and extract kubernetes-client-linux-amd64.tar.gz from https://dl.k8s.io/v1.10.0
</code>

==== cluster/kube-up.sh ====

===== Misc =====

  * ''DO081x_edX_Lab_Instructions.pdf''
  * https://access.redhat.com/documentation/en-us/red_hat_container_development_kit/
  * Download Red Hat CDK