separate SP creation (#749)

* separate SP creation

separated Service Principal creation of aks due to issues on some machines with integrated SP creation
fixed typo in README

* Update deploy-sql-big-data-aks.py

removed JSON output

Author: bweissman

samples/features/sql-big-data-cluster/deployment/aks/README.md

@@ -9,14 +9,14 @@ Using this sample Python script, you will deploy a Kubernetes cluster in Azure u
 1. Install latest version of [az cli](https://docs.microsoft.com/en-us/cli/azure/install-azure-cli)
 1. Running the script will require: [python minimum version 3.0](https://www.python.org/downloads)
 1. Install the latest version of [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl/)
-1. Ensure you have installed `mssqlctl` CLI and its prerequisites:
+1. Ensure you have installed `azdata` CLI (previously named mssqlctl) and its prerequisites:
     - Install [pip3](https://pip.pypa.io/en/stable/installing/).
     - Install/update requests package. Run the command below using elevated priviledges (sudo or admin cmd window):
         ```
         python -m pip install requests
         python -m pip install requests --upgrade
         ```
-    - Install latest version of the cluster management tool **azdata** (previously named mssqlctl) using below command. Run the command below using elevated priviledges (sudo or admin cmd window):
+    - Install latest version of the cluster management tool **azdata** using below command. Run the command below using elevated privileges (sudo or admin cmd window):
         ```
         pip3 install -r https://aka.ms/azdata
         ```

samples/features/sql-big-data-cluster/deployment/aks/deploy-sql-big-data-aks.py

@@ -6,9 +6,11 @@
 # Run `az login` at least once BEFORE running this script
 #
 
-from subprocess import check_output, CalledProcessError, STDOUT, Popen, PIPE
+from subprocess import check_output, CalledProcessError, STDOUT, Popen, PIPE, getoutput
+from time import sleep
 import os
 import getpass
+import json
 
 def executeCmd (cmd):
     if os.name=="nt":
@@ -57,16 +59,27 @@ def executeCmd (cmd):
 # os.environ['DOCKER_PASSWORD']=DOCKER_PASSWORD
 os.environ['ACCEPT_EULA']="Yes"
 
-print ("Set azure context to subcription: "+SUBSCRIPTION_ID)
+print ("Set azure context to subscription: "+SUBSCRIPTION_ID)
 command = "az account set -s "+ SUBSCRIPTION_ID
 executeCmd (command)
 
 print ("Creating azure resource group: "+GROUP_NAME)
 command="az group create --name "+GROUP_NAME+" --location "+AZURE_REGION
 executeCmd (command)
 
+SP_NAME = AZURE_REGION + '_' + GROUP_NAME + '_' + CLUSTER_NAME
+print ("Creating Service Principal: "+SP_NAME)
+command = "az ad sp create-for-rbac --skip-assignment --name http://" + SP_NAME
+SP_RESULT=getoutput(command)
+SP_JSON = json.loads(SP_RESULT[SP_RESULT.find("{"):])
+SP_PRINCIPAL = (SP_JSON['appId'])
+SP_PW = (SP_JSON['password'])
+
+# Waiting for 10 seconds for the SP to sync
+sleep(10)
+
 print("Creating AKS cluster: "+CLUSTER_NAME)
-command = "az aks create --name "+CLUSTER_NAME+" --resource-group "+GROUP_NAME+" --generate-ssh-keys --node-vm-size "+VM_SIZE+" --node-count "+AKS_NODE_COUNT
+command = "az aks create --name "+CLUSTER_NAME+" --resource-group "+GROUP_NAME+" --generate-ssh-keys --node-vm-size "+VM_SIZE+" --node-count "+AKS_NODE_COUNT+ " --service-principal " + SP_PRINCIPAL + " --client-secret " + SP_PW
 executeCmd (command)
 
 command = "az aks get-credentials --overwrite-existing --name "+CLUSTER_NAME+" --resource-group "+GROUP_NAME+" --admin"