Add nm bootstrap script

Change-Id: If9421c2ecd8b0608bea2265b1b7f8a731c672f6c

onm/nm-bootstrap-script.sh

@@ -0,0 +1,96 @@
+#!/bin/bash
+
+# Get the public IP
+public_ip=${5:-$(curl -s http://httpbin.org/ip | grep -oP '(?<="origin": ")[^"]*')}
+
+# Set up the script variables
+STARTTIME=$(date +%s)
+PID=$(echo $$)
+LOGFILE="/var/log/nm-bootstrap-script.$PID.$public_ip.log"
+
+# Set up the logging for the script
+sudo touch $LOGFILE
+sudo chown $USER:$USER $LOGFILE
+
+# All the output of this shell script is redirected to the LOGFILE
+exec 3>&1 4>&2
+trap 'exec 2>&4 1>&3' 0 1 2 3
+exec 1>$LOGFILE 2>&1
+
+# A function to print a message to the stdout as well as as the LOGFILE
+log_print(){
+  level=$1
+  Message=$2
+  echo "$level [$(date)]: $Message"
+  echo "$level [$(date)]: $Message" >&3
+}
+
+# "CREATE" or "DELETE" Overlay Node
+ACTION=$1
+# Define Application Node Type ("MASTER","WORKER")
+NODE_TYPE=$2
+# Application UUID
+APPLICATION_UUID=$3
+# Overlay Network Manager Public IP
+ONM_IP=$4
+# SSH Port
+SSH_PORT=${6:-22}
+
+# Get the Application UUID from the environment variable
+application_uuid=$APPLICATION_UUID
+
+# Get the currently logged in user (assuming single user login)
+logged_in_user=$(whoami)
+
+log_print INFO "Starting nm-bootstrap-script with the following parameters: ACTION=$ACTION, NODE_TYPE=$NODE_TYPE,
+                APPLICATION_UUID=$APPLICATION_UUID, ONM_IP=$ONM_IP, PUBLIC_IP=$public_ip,
+                LOGGED_IN_USER=$logged_in_user, SSH_PORT=$SSH_PORT"
+
+# Get the isMaster variable from the environment variable
+if [ "$NODE_TYPE" == "MASTER" ]; then
+  IS_MASTER="true";
+elif [ "$NODE_TYPE" == "WORKER" ]; then
+  IS_MASTER="false"
+fi
+
+# Check if string1 is equal to string2
+if [ "$ACTION" == "CREATE" ]; then
+  log_print INFO "Creating Wireguard folder to home directory..."
+  # Create Wireguard Folder to accept the wireguard scripts
+  mkdir -p /home/${logged_in_user}/wireguard
+
+  log_print INFO "Creating OpenSSH Public/Private Key Pair..."
+  # Create OpenSSH Public/Private Key files
+  ssh-keygen -C wireguard-pub -t rsa -b 4096 -f /home/${logged_in_user}/wireguard/wireguard -N ""
+
+  log_print INFO "Moving wireguard.pub file to authorized_keys file..."
+  cat /home/${logged_in_user}/wireguard/wireguard.pub >> /home/${logged_in_user}/.ssh/authorized_keys
+fi
+
+PRIVATE_KEY_FILE=$(cat /home/${logged_in_user}/wireguard/wireguard | base64 | tr '\n' ' ')
+
+PAYLOAD=$(cat <<EOF
+{
+  "privateKeyBase64": "${PRIVATE_KEY_FILE}",
+  "publicKey": "$(</home/${logged_in_user}/wireguard/wireguard.pub)",
+  "publicIp": "${public_ip}",
+  "applicationUUID": "${application_uuid}",
+  "sshUsername": "${logged_in_user}",
+  "isMaster": "$IS_MASTER",
+  "sshPort": "$SSH_PORT"
+}
+EOF
+)
+
+log_print INFO "Current Payload is: $PAYLOAD"
+
+if [ "$ACTION" == "CREATE" ]; then
+  curl -v -X POST -H "Content-Type: application/json" -d "$PAYLOAD" http://${ONM_IP}:8082/api/v1/node/create
+elif [ "$ACTION" == "DELETE" ]; then
+  curl -v -X DELETE -H "Content-Type: application/json" -d "$PAYLOAD" http://${ONM_IP}:8082/api/v1/node/delete
+fi
+
+# Declare configuration done successfully
+ENDTIME=$(date +%s)
+ELAPSED=$(( ENDTIME - STARTTIME ))
+log_print INFO "nm-bootstrap-script.sh: Configuration done successfully in $ELAPSED seconds "