doc: add arm deployment guide

Change-Id: Ib66003003ea4697e9634201802e9169bc53a8ade
Signed-off-by: Yibo Cai <yibo.cai@arm.com>

diff --git a/docs/release/installation/k8s-deploy-arm.rst b/docs/release/installation/k8s-deploy-arm.rst
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+.. This work is licensed under a Creative Commons Attribution 4.0 International Licence.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) by Yibo Cai (Arm)
+
+Validated platform
+==================
+
+================  =========  ================  ========
+        Jump server                     Node
+---------------------------  --------------------------
+distro            libvirt    distro            k8s
+================  =========  ================  ========
+ubuntu 16.04.3    1.3.1      centos7 1708      1.7.5
+================  =========  ================  ========
+
+Prepare jump server
+===================
+This document assumes you are using a baremetal Arm server as Compass4NFV jump server. It's possible to deploy jump server inside a virtual machine, this case is not covered here.
+
+#. Install Ubuntu 16.04.3 aarch64 on jump server.
+
+#. Install required packages.
+
+   .. code-block:: bash
+
+      $ sudo apt install docker.io libvirt-bin virt-manager qemu qemu-efi
+
+#. Disable DHCP of default libvirt network.
+
+   Libvirt creates a default network at intallation, which enables DHCP and occupies port 67. It conflicts with compass-cobbler container.
+
+   .. code-block:: bash
+
+      $ sudo virsh net-edit default
+
+   .. code-block:: xml
+
+      <!-- remove below lines and save/quit ->
+      <dhcp>
+        <range start='192.168.122.2' end='192.168.122.254'/>
+      </dhcp>
+
+   .. code-block:: bash
+
+      $ sudo virsh net-destroy default
+      $ sudo virsh net-start default
+
+#. Make sure ports 67, 69, 80, 443 are free.
+
+   Compass-cobber requires ports 67, 69 to provide DHCP and TFTP services. Compass-deck provides HTTP and HTTPS through ports 80, 443. All these ports should be free before deployment.
+
+#. Tear down apparmor service.
+
+   .. code-block:: bash
+
+      $ sudo service apparmor teardown
+
+#. Enable password-less sudo for current user (optional).
+
+
+Build Arm tarball
+=================
+
+Clone Compass4NFV code. Run below command to build deployment tarball for Arm.
+
+.. code-block:: bash
+
+   $ COMPASS_ISO_REPO='http://people.linaro.org/~yibo.cai/compass' ./build.sh
+
+It downloads and archives Ubuntu/CentOS installation ISO and Compass core docker images for later deployment.
+
+
+Deploy K8s in VM
+================
+This section introduces the steps to deploy K8s cluster in virtual machines running on jump server. Two VM nodes will be created, one master and one minion, with flannel networking.
+
+Clear old Compass core
+----------------------
+
+Compass core consists of five containers which are responsible for deploying K8s clusters.
+
+- *compass-deck*: provides API service and web UI
+- *compass-tasks*: deploy K8s to nodes
+- *compass-cobbler*: deploy OS to nodes
+- *compass-db*: mysql service
+- *compass-mq*: rabbitmq service
+
+Run below command to remove running Compass containers for a clean deployment.
+
+.. code-block:: bash
+
+   $ docker rm -f `docker ps | grep compass | cut -f1 -d' '`
+
+Deploy OS and K8s
+-----------------
+To deploy OS and K8s on two virtual nodes, run:
+
+.. code-block:: bash
+
+   $ ADAPTER_OS_PATTERN='(?i)CentOS-7.*arm.*' \
+     OS_VERSION=centos7 \
+     KUBERNETES_VERSION=v1.7.5 \
+     DHA=${PWD}/deploy/conf/vm_environment/k8-nosdn-nofeature-noha.yml \
+     NETWORK=${PWD}/deploy/conf/vm_environment/network.yml \
+     VIRT_NUMBER=2 VIRT_CPUS=4 VIRT_MEM=8192 VIRT_DISK=50G \
+     ./deploy.sh