PowerShell script to initialize Azure subscription and storage account. http://manesh.me/2015/02/05/getting-started-with-microsoft-azure-powershell/

SetAzureEnvironment

# Ref: http://manesh.me/2015/02/05/getting-started-with-microsoft-azure-powershell/

# Step 0: Define all variable values
$publishSettingsFile = "C:\Users\Manesh\Documents\AzureSubscriptions.publishsettings";
$location = "West US";
$subscriptionName = "Visual Studio Premium with MSDN";

# Sometimes, you might have multiple MSDN subscriptions 
# If someone else add you as a co-admin on their MSDN subscription etc.
# If so, choose the subscription Id option
$subscriptionId = $null;

# Sometimes, this account is created by someone else. 
# So if the script fails, you might want to change this.
$storageAccountName = "manesh";


# Step 1: Import Azure Publish Settings File
Import-AzurePublishSettingsFile $publishSettingsFile

# Step 2: Set current subscription
Get-AzureSubscription

if ($subscriptionId -eq $null) {
    Select-AzureSubscription -SubscriptionName $subscriptionName -Current
} else { 
    Select-AzureSubscription -SubscriptionId $subscriptionId -Current
}

# Display only current subscription
Get-AzureSubscription -Current

# Step 3: Set current storage account
$isStorageGood = $false;
try {
    Get-AzureStorageAccount –StorageAccountName $storageAccountName -ErrorAction Stop | Out-Null    
    if ((Get-AzureStorageAccount –StorageAccountName $storageAccountName).Location -eq $location) {
        $isStorageGood = $true;
        Write-Host "'$storageAccountName' storage account already exists, skipping creation"
    } else {
        Write-Host "'$storageAccountName' storage account already exists, but in a different location. Try another storage."
    }
}
catch {
    if (!(Test-AzureName -Storage $storageAccountName)) {  
        Write-Host "Creating Storage Account $storageAccountName"
        New-AzureStorageAccount -StorageAccountName $storageAccountName -Location $location 
        $isStorageGood = $true;
    }
    else {
        Write-Host "'$storageAccountName' storage account already exists and is owned by some other subscription. Try a different name."
    }    
}

if ($isStorageGood) {
    if ($subscriptionId -eq $null) {
        Set-AzureSubscription -SubscriptionName $subscriptionName -CurrentStorageAccountName $storageAccountName
    } else { 
        Set-AzureSubscription -SubscriptionId $subscriptionId -CurrentStorageAccountName $storageAccountName
    }

    # You should see the provided subscription and storage account name while executing following command
    Get-AzureSubscription -Current

    Write-Host "All is well"
} else {
    Write-Host "Try a different storage account name and re-run the script"
}