Initial work on azure-setup script

contrib/azure-setup.sh

@@ -0,0 +1,95 @@
+#!/usr/bin/env bash
+set -e
+
+AZURE_APP_NAME=
+AZURE_RESOURCE_GROUP=
+AZURE_STORAGE_ACCOUNT=
+AZURE_APPLICATION_NAME=
+AZURE_APPLICATION_URL=
+
+showhelp() {
+	echo ""
+	echo "  azure-setup helps automate setting up an Azure account for packer builds"
+	echo ""
+	echo "  The script walks through the process of creating a resource group,"
+	echo "  storage account, application, service principal, and permissions"
+	echo "  and then creates the account and shows you the identifiers you need"
+	echo "  to configure packer."
+	echo ""
+	echo "  azure-setup is meant to be run interactively and will prompt you"
+	echo "  for input. Also, it assumes you will run this against an account"
+	echo "  that has not previously been configured, or that you are OK with"
+	echo "  creating all new resources in Azure. If you want to skip or"
+	echo "  customize these steps, please use the azure-cli directly."
+	echo ""
+	echo "  If the script fails partway through you will have to clean up the"
+	echo "  lingering resources yourself."
+	echo ""
+	echo "REQUIREMENTS"
+	echo ""
+	echo "  You must install the azure-cli from"
+	echo "  https://azure.microsoft.com/en-us/documentation/articles/xplat-cli-install/"
+	echo "  and jq from https://stedolan.github.io/jq/"
+	echo ""
+	echo "  azure-setup will verify these tools are available before starting"
+	echo ""
+	echo "USAGE"
+	echo ""
+	echo "  ./azure-setup.sh setup"
+	echo ""
+}
+
+requirements() {
+	found=0
+
+	azureversion=$(azure -v)
+	if [ $? -eq 0 ]; then
+		found=$((found + 1))
+		echo "Found azure-cli version: $azureversion"
+	else
+		echo "azure-cli is missing. Please install azure-cli from"
+		echo "https://azure.microsoft.com/en-us/documentation/articles/xplat-cli-install/"
+	fi
+
+	jqversion=$(jq --version)
+	if [ $? -eq 0 ]; then
+		found=$((found + 1))
+		echo "Found jq version: $jqversion"
+	else
+		echo "jq is missing. Please install jq from"
+		echo "https://stedolan.github.io/jq/"
+	fi
+
+	if [ $found -lt 2 ]; then
+		exit 1
+	fi
+}
+
+askResourceGroup() {
+	echo -n "Choose a name for the resource"
+	read 
+}
+
+setup() {
+	requirements
+	echo ""
+	echo "Note: Please only use alphanumeric names for Azure resources. For"
+	echo "example:"
+	echo ""
+	echo "  Good: packertest"
+	echo "  Bad: packer-test"
+	echo ""
+	
+}
+
+case "$1" in
+	requirements)
+		requirements
+		;;
+	setup)
+		setup
+		;;
+	*)
+		showhelp
+		;;
+esac