generate required data for Service Principal based Azure service connection

createSPN.sh

#!/bin/bash

##################################################
# Bash script to replace the powershell script referenced at:
#    https://blogs.msdn.microsoft.com/visualstudioalm/2015/10/04/automating-azure-resource-group-deployment-using-a-service-principal-in-visual-studio-online-buildrelease-management/
# Assumptions are:
#   - you have the xplat CLI installed and are logged into the subscription
#   - you have the jq tool installed
#   - you don't value safe bash scripts :)
##################################################

SUBNAME=$1
PASS=$2
SPNROLE="owner"

# from xplat cli
CONNECTIONNAME=$(azure account show --json "$1" | jq -r '.[0].name')
TENANTID=$(azure account show --json "$1" | jq -r '.[0].tenantId')
SUBID=$(azure account show --json "$1" | jq -r '.[0].id')

USERNAME=$USER
NEWGUID=$(uuidgen)
DISPLAYNAME="VSO.$USERNAME.$NEWGUID"
HOMEPAGE="http://$DISPLAYNAME"
IDENTIFIERURI=$HOMEPAGE

# Create a new AD Application
echo "Creating a new Application in AAD (App URI - $IDENTIFIERURI)"
APPID=$(azure ad app create -n "$DISPLAYNAME" --home-page "$HOMEPAGE" -i "$IDENTIFIERURI" -p "$PASS" --json | jq -r '.appId')
echo "APPID is: $APPID"

# Create new SPN
echo "Creating a new SPN"
SPNNAME=$(azure ad sp create --json $APPID | jq -r '.displayName')
echo "SPNNAME is: $SPNNAME"

# Assign role to SPN
echo "Waiting for SPN creation to reflect in Directory before Role assignment"
sleep 20
echo "Assigning role ($SPNROLE) to SPN App ($APPID)"
SPNASSIGN=$(azure role assignment create --roleName "$SPNROLE" --spn $APPID)


# Print the values
echo -e "\nCopy and Paste below values for Service Connection"
echo "***************************************************************************"
echo "Connection Name: $CONNECTIONNAME(SPN)"
echo "Subscription Id: $SUBID"
echo "Subscription Name: $CONNECTIONNAME"
echo "Service Principal Id: $APPID"
echo "Service Principal key: <Password that you typed in>"
echo "Tenant Id: $TENANTID"
echo "***************************************************************************"