Add K8S deployment above Vagrant

Set deployment manifest files and scripts
for deploy SDC over Kubernetes inside
Vagrant
Preparation for OOM integration

Change-Id: I1f54b95067538f42d2d68fa3366b512dc9134f43
Issue-ID: SDC-907
Signed-off-by: Areli Fuss <af732p@att.com>

8 files changed, 523 insertions, 0 deletions

diff --git a/sdc-os-chef/scripts/k8s/build_nsenter_exec.sh b/sdc-os-chef/scripts/k8s/build_nsenter_exec.sh
new file mode 100644
index 0000000000..7ee1196d98
--- /dev/null
+++ b/sdc-os-chef/scripts/k8s/build_nsenter_exec.sh
@@ -0,0 +1,22 @@
+# Ubuntu 14.04 don't have nsenter - the straight forward way required me to install build tools and etc.
+# I preferred to keep the system clean and install nsenter in a container and then copy the command to the host
+# Note - its also possible to run nsenter from a container (didn't tried) https://github.com/jpetazzo/nsenter
+
+# start a container
+docker run --name nsenter -it ubuntu:14.04 bash
+
+## in the docker
+apt-get update
+apt-get install git build-essential libncurses5-dev libslang2-dev gettext zlib1g-dev libselinux1-dev debhelper lsb-release pkg-config po-debconf autoconf automake autopoint libtool bison
+
+git clone git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git util-linux
+cd util-linux/
+
+./autogen.sh
+./configure --without-python --disable-all-programs --enable-nsenter
+make
+
+## from different shell - on the host
+echo "[Action requires] From different shell on the host run the following:"
+docker cp nsenter:/util-linux/nsenter /usr/local/bin/
+docker cp nsenter:/util-linux/bash-completion/nsenter /etc/bash_completion.d/nsenter
\ No newline at end of file
diff --git a/sdc-os-chef/scripts/k8s/deploy_k8s_sdc.sh b/sdc-os-chef/scripts/k8s/deploy_k8s_sdc.sh
new file mode 100644
index 0000000000..9a7b57747b
--- /dev/null
+++ b/sdc-os-chef/scripts/k8s/deploy_k8s_sdc.sh
@@ -0,0 +1,74 @@
+#!/bin/sh
+set -x
+
+check_status()
+{
+  local rc=$1
+  shift
+  local comment="$@"
+  if [ ${rc} != 0 ]; then
+    echo "[ERR] Failure detected - ${comment}.  Aborting !"
+    exit 255
+  fi
+}
+
+
+# Should be removed while private dockers (maven build) will be available:
+echo "[INFO] ONAP Docker login"
+sudo docker login -u docker -p docker nexus3.onap.org:10001
+check_status $? "Onap docker registry login"
+
+# Verify the kube-system pods are running:
+# kube-addon-manager, kube-dns, kubernetes-dashboard, storage-provisioner, tiller-deploy
+echo "[INFO] Wait for Kubernetes Service ..." 
+cd ../../kubernetes
+status=0
+while [ ${status} -ne 5 ]
+do 
+  status=$(sudo kubectl get pods --namespace kube-system -o json \
+  | jq -r '
+    .items[]
+    | select(.status.phase == "Running" and 
+    ([ .status.conditions[] | select(.type == "Ready" and .status == "True") ]
+    | length ) == 1 )
+    | .metadata.namespace + "/" + .metadata.name
+    ' \
+  |  wc -l )
+  sleep 3
+done
+
+# Create namespace 
+echo "[INFO] Check Namespace existence"
+exist_namespace=$( sudo kubectl get namespaces  | grep onap-sdc | grep Active | wc -l )
+if [ ${exist_namespace} -eq 0 ]; then
+  sudo kubectl create namespace onap-sdc
+  check_status $? "Create namespace"
+fi
+
+echo "[INFO] Running helm init"
+sudo helm init
+check_status $? "Helm init"
+
+set -x
+
+printf "[INFO] Wait for helm to get ready\n"
+helm_health=1
+while [ ${helm_health} -ne 0 ]
+do 
+  sudo helm version | grep "Server" >/dev/null 2>&1
+  helm_health=$?
+  sleep 5
+done
+
+# Remove previous chart
+exist_chart=$( sudo helm ls onap-sdc -q | wc -l )
+if [ ${exist_chart} -ne 0 ];then
+  echo "[INFO] Delete the existing onap-sdc chart"
+  sudo helm del --purge onap-sdc
+  check_status $? "Delete chart"
+fi
+
+# Install updated chart
+echo "[INFO] Create onap-sdc deployment"
+sudo helm install sdc --name onap-sdc
+check_status $? "Install chart"
diff --git a/sdc-os-chef/scripts/k8s/etc/bash_completion.d/nsenter b/sdc-os-chef/scripts/k8s/etc/bash_completion.d/nsenter
new file mode 100644
index 0000000000..ad56f06e48
--- /dev/null
+++ b/sdc-os-chef/scripts/k8s/etc/bash_completion.d/nsenter
@@ -0,0 +1,63 @@
+_nsenter_module()
+{
+	local cur prev OPTS
+	COMPREPLY=()
+	cur="${COMP_WORDS[COMP_CWORD]}"
+	prev="${COMP_WORDS[COMP_CWORD-1]}"
+	case $prev in
+		'-S'|'--uid')
+			COMPREPLY=( $(compgen -W "uid" -- $cur) )
+			return 0
+			;;
+		'-G'|'--gid')
+			COMPREPLY=( $(compgen -W "gid" -- $cur) )
+			return 0
+			;;
+		'-t'|'--target')
+			local PIDS
+			PIDS=$(cd /proc && echo [0-9]*)
+			COMPREPLY=( $(compgen -W "$PIDS" -- $cur) )
+			return 0
+			;;
+		'-h'|'--help'|'-V'|'--version')
+			return 0
+			;;
+	esac
+	case $cur in
+		'=')
+			# FIXME: --root and --wd should use get only
+			# directories as compgen output.  If $cur is
+			# overwrote the same way as below in case segment
+			# for $prev the command-line will get mangled.
+			cur=${cur#=}
+			;;
+		-*)
+			OPTS="
+				--all
+				--target
+				--mount=
+				--uts=
+				--ipc=
+				--net=
+				--pid=
+				--cgroup=
+				--user=
+				--setuid
+				--setgid
+				--preserve-credentials
+				--root=
+				--wd=
+				--no-fork
+				--help
+				--version
+			"
+			COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
+			return 0
+			;;
+	esac
+	local IFS=$'\n'
+	compopt -o filenames
+	COMPREPLY=( $(compgen -f -- $cur) )
+	return 0
+}
+complete -F _nsenter_module nsenter
diff --git a/sdc-os-chef/scripts/k8s/get_helm.sh b/sdc-os-chef/scripts/k8s/get_helm.sh
new file mode 100755
index 0000000000..79e9f35203
--- /dev/null
+++ b/sdc-os-chef/scripts/k8s/get_helm.sh
@@ -0,0 +1,230 @@
+#!/usr/bin/env bash
+
+# Copyright 2016 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# The install script is based off of the MIT-licensed script from glide,
+# the package manager for Go: https://github.com/Masterminds/glide.sh/blob/master/get
+
+PROJECT_NAME="helm"
+
+: ${HELM_INSTALL_DIR:="/usr/local/bin"}
+
+# initArch discovers the architecture for this system.
+initArch() {
+  ARCH=$(uname -m)
+  case $ARCH in
+    armv5*) ARCH="armv5";;
+    armv6*) ARCH="armv6";;
+    armv7*) ARCH="armv7";;
+    aarch64) ARCH="arm64";;
+    x86) ARCH="386";;
+    x86_64) ARCH="amd64";;
+    i686) ARCH="386";;
+    i386) ARCH="386";;
+  esac
+}
+
+# initOS discovers the operating system for this system.
+initOS() {
+  OS=$(echo `uname`|tr '[:upper:]' '[:lower:]')
+
+  case "$OS" in
+    # Minimalist GNU for Windows
+    mingw*) OS='windows';;
+  esac
+}
+
+# runs the given command as root (detects if we are root already)
+runAsRoot() {
+  local CMD="$*"
+  
+  if [ $EUID -ne 0 ]; then
+    CMD="sudo $CMD"
+  fi
+  
+  $CMD
+}
+
+# verifySupported checks that the os/arch combination is supported for
+# binary builds.
+verifySupported() {
+  local supported="darwin-386\ndarwin-amd64\nlinux-386\nlinux-amd64\nlinux-arm\nlinux-arm64\nlinux-ppc64le\nwindows-386\nwindows-amd64"
+  if ! echo "${supported}" | grep -q "${OS}-${ARCH}"; then
+    echo "No prebuilt binary for ${OS}-${ARCH}."
+    echo "To build from source, go to https://github.com/kubernetes/helm"
+    exit 1
+  fi
+
+  if ! type "curl" > /dev/null && ! type "wget" > /dev/null; then
+    echo "Either curl or wget is required"
+    exit 1
+  fi
+}
+
+# checkDesiredVersion checks if the desired version is available.
+checkDesiredVersion() {
+  # Use the GitHub releases webpage for the project to find the desired version for this project.
+  local release_url="https://github.com/kubernetes/helm/releases/${DESIRED_VERSION:-latest}"
+  if type "curl" > /dev/null; then
+    TAG=$(curl -SsL $release_url | awk '/\/tag\//' | cut -d '"' -f 2 | awk '{n=split($NF,a,"/");print a[n]}' | awk 'a !~ $0{print}; {a=$0}')
+  elif type "wget" > /dev/null; then
+    TAG=$(wget -q -O - $release_url | awk '/\/tag\//' | cut -d '"' -f 2 | awk '{n=split($NF,a,"/");print a[n]}' | awk 'a !~ $0{print}; {a=$0}')
+  fi
+  if [ "x$TAG" == "x" ]; then
+    echo "Cannot determine ${DESIRED_VERSION} tag."
+    exit 1
+  fi
+}
+
+# checkHelmInstalledVersion checks which version of helm is installed and
+# if it needs to be changed.
+checkHelmInstalledVersion() {
+  if [[ -f "${HELM_INSTALL_DIR}/${PROJECT_NAME}" ]]; then
+    local version=$(helm version | grep '^Client' | cut -d'"' -f2)
+    if [[ "$version" == "$TAG" ]]; then
+      echo "Helm ${version} is already ${DESIRED_VERSION:-latest}"
+      return 0
+    else
+      echo "Helm ${TAG} is available. Changing from version ${version}."
+      return 1
+    fi
+  else
+    return 1
+  fi
+}
+
+# downloadFile downloads the latest binary package and also the checksum
+# for that binary.
+downloadFile() {
+  HELM_DIST="helm-$TAG-$OS-$ARCH.tar.gz"
+  DOWNLOAD_URL="https://kubernetes-helm.storage.googleapis.com/$HELM_DIST"
+  CHECKSUM_URL="$DOWNLOAD_URL.sha256"
+  HELM_TMP_ROOT="$(mktemp -dt helm-installer-XXXXXX)"
+  HELM_TMP_FILE="$HELM_TMP_ROOT/$HELM_DIST"
+  HELM_SUM_FILE="$HELM_TMP_ROOT/$HELM_DIST.sha256"
+  echo "Downloading $DOWNLOAD_URL"
+  if type "curl" > /dev/null; then
+    curl -SsL "$CHECKSUM_URL" -o "$HELM_SUM_FILE"
+  elif type "wget" > /dev/null; then
+    wget -q -O "$HELM_SUM_FILE" "$CHECKSUM_URL"
+  fi
+  if type "curl" > /dev/null; then
+    curl -SsL "$DOWNLOAD_URL" -o "$HELM_TMP_FILE"
+  elif type "wget" > /dev/null; then
+    wget -q -O "$HELM_TMP_FILE" "$DOWNLOAD_URL"
+  fi
+}
+
+# installFile verifies the SHA256 for the file, then unpacks and
+# installs it.
+installFile() {
+  HELM_TMP="$HELM_TMP_ROOT/$PROJECT_NAME"
+  local sum=$(openssl sha1 -sha256 ${HELM_TMP_FILE} | awk '{print $2}')
+  local expected_sum=$(cat ${HELM_SUM_FILE})
+  if [ "$sum" != "$expected_sum" ]; then
+    echo "SHA sum of $HELM_TMP does not match. Aborting."
+    exit 1
+  fi
+
+  mkdir -p "$HELM_TMP"
+  tar xf "$HELM_TMP_FILE" -C "$HELM_TMP"
+  HELM_TMP_BIN="$HELM_TMP/$OS-$ARCH/$PROJECT_NAME"
+  echo "Preparing to install into ${HELM_INSTALL_DIR}"
+  runAsRoot cp "$HELM_TMP_BIN" "$HELM_INSTALL_DIR"
+}
+
+# fail_trap is executed if an error occurs.
+fail_trap() {
+  result=$?
+  if [ "$result" != "0" ]; then
+    if [[ -n "$INPUT_ARGUMENTS" ]]; then
+      echo "Failed to install $PROJECT_NAME with the arguments provided: $INPUT_ARGUMENTS"
+      help
+    else
+      echo "Failed to install $PROJECT_NAME"
+    fi
+    echo -e "\tFor support, go to https://github.com/kubernetes/helm."
+  fi
+  cleanup
+  exit $result
+}
+
+# testVersion tests the installed client to make sure it is working.
+testVersion() {
+  set +e
+  echo "$PROJECT_NAME installed into $HELM_INSTALL_DIR/$PROJECT_NAME"
+  HELM="$(which $PROJECT_NAME)"
+  if [ "$?" = "1" ]; then
+    echo "$PROJECT_NAME not found. Is $HELM_INSTALL_DIR on your "'$PATH?'
+    exit 1
+  fi
+  set -e
+  echo "Run '$PROJECT_NAME init' to configure $PROJECT_NAME."
+}
+
+# help provides possible cli installation arguments
+help () {
+  echo "Accepted cli arguments are:"
+  echo -e "\t[--help|-h ] ->> prints this help"
+  echo -e "\t[--version|-v <desired_version>] . When not defined it defaults to latest"
+  echo -e "\te.g. --version v2.4.0  or -v latest"
+}
+
+# cleanup temporary files to avoid https://github.com/kubernetes/helm/issues/2977
+cleanup() {
+  rm -rf "$HELM_TMP_ROOT"
+}
+
+# Execution
+
+#Stop execution on any error
+trap "fail_trap" EXIT
+set -e
+
+# Parsing input arguments (if any)
+export INPUT_ARGUMENTS="${@}"
+set -u
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    '--version'|-v)
+       shift
+       if [[ $# -ne 0 ]]; then
+           export DESIRED_VERSION="${1}"
+       else
+           echo -e "Please provide the desired version. e.g. --version v2.4.0 or -v latest"
+           exit 0
+       fi
+       ;;
+    '--help'|-h)
+       help
+       exit 0
+       ;;
+    *) exit 1
+       ;;
+  esac
+  shift
+done
+set +u
+
+initArch
+initOS
+verifySupported
+checkDesiredVersion
+if ! checkHelmInstalledVersion; then
+  downloadFile
+  installFile
+fi
+testVersion
+cleanup
diff --git a/sdc-os-chef/scripts/k8s/install_helm.sh b/sdc-os-chef/scripts/k8s/install_helm.sh
new file mode 100644
index 0000000000..a3681d033a
--- /dev/null
+++ b/sdc-os-chef/scripts/k8s/install_helm.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+curl_status=$(curl -w '%{http_code}\n' https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get -o get_helm.sh)
+
+echo $curl_status
+
+if [ ${curl_status} != 200 ]; then
+  echo "[ERROR] Download get_helm failed - $curl_status"
+  exit -1
+fi
+
+chmod 700 get_helm.sh 
+
+echo "[INFO] Running get helm"
+./get_helm.sh --version v2.7.2
+
+if [ $? != 0 ]; then
+  echo "[ERROR] failed to run get_helm"
+fi
+
diff --git a/sdc-os-chef/scripts/k8s/install_kubectl.sh b/sdc-os-chef/scripts/k8s/install_kubectl.sh
new file mode 100644
index 0000000000..8d1229b527
--- /dev/null
+++ b/sdc-os-chef/scripts/k8s/install_kubectl.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+kubectl_version=$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)
+
+echo "[INFO] kubectl version - ${kubectl_version}"
+
+curl_status=$(curl -w '%{http_code}\n' -LO https://storage.googleapis.com/kubernetes-release/release/${kubectl_version}/bin/linux/amd64/kubectl)
+
+if [ $curl_status != 200 ] ; then
+  echo "[ERROR] Download kubectl failed - $curl_status"
+  exit -1
+fi
+
+chmod +x ./kubectl
+
+sudo mv ./kubectl /usr/local/bin/kubectl
+
+echo "source <(kubectl completion bash)" >> ~/.bashrc
+
diff --git a/sdc-os-chef/scripts/k8s/install_minikube.sh b/sdc-os-chef/scripts/k8s/install_minikube.sh
new file mode 100644
index 0000000000..b0f0d53cae
--- /dev/null
+++ b/sdc-os-chef/scripts/k8s/install_minikube.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+echo "[INFO] minikube version - v0.24.1"
+
+curl_status=$(curl -w '%{http_code}\n' -Lo minikube https://storage.googleapis.com/minikube/releases/v0.24.1/minikube-linux-amd64)
+
+if [ $curl_status != 200 ] ; then
+  echo "[ERROR] Download minikube failed - $curl_status"
+  exit -1
+fi
+
+chmod +x minikube
+
+sudo mv minikube /usr/local/bin/
+
+export CHANGE_MINIKUBE_NONE_USER=true
+
+sudo minikube start --vm-driver=none
diff --git a/sdc-os-chef/scripts/k8s/kubernetes_run.sh b/sdc-os-chef/scripts/k8s/kubernetes_run.sh
new file mode 100644
index 0000000000..fd9de2e181
--- /dev/null
+++ b/sdc-os-chef/scripts/k8s/kubernetes_run.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+
+####################
+#    Functions     #
+####################
+
+status()
+{
+  local rc=$1
+  if [ ${rc} != 0 ]; then
+    echo "[ERR] Failure detected. Aborting !"
+    exit 255
+  else
+    echo "[INFO] Done "
+  fi
+}
+
+print_header()
+{
+  header=$*
+  echo ""
+  echo "-------------------------"
+  echo "   ${header}"
+  echo "-------------------------"
+  echo ""
+ }
+
+####################
+#      Main        #
+####################
+clear
+
+####################
+# kubectl          #
+####################
+print_header "Kubelet - Install ..."
+sh ./install_kubectl.sh
+status $?
+
+
+####################
+# minikube         #
+####################
+print_header "Minikube - Install ..."
+sh ./install_minikube.sh
+status $?
+
+
+####################
+# dependencies     #
+####################
+print_header "Dependency - Install ..."
+echo "[INFO]   Install - nsenter"
+# Use pre compiled nsenter:
+sudo cp bin/nsenter /usr/local/bin/nsenter
+sudo cp etc/bash_completion.d/nsenter /etc/bash_completion.d/nsenter
+
+## In order to build the nsenter use the below instructions:
+##./build_nsenter_exec.sh
+echo "[INFO]   Install - socat"
+sudo apt-get install -y socat jq
+
+####################
+# helm             #
+####################
+print_header "Helm - Install ..."
+sh ./install_helm.sh
+status $? "$action"
+
+
+####################
+# K8s              #
+####################
+print_header "SDC - Deploy Pods ..."
+sh ./deploy_k8s_sdc.sh
+status $?
+