Speaking at Azure Global Bootcamp in Cluj

For the 5th year in a row, ITCamp Community is organising Global Azure Boot Camp (https://global.azurebootcamp.net/).

This is a global event that takes place in over 159 locations around the world. Like last year, Cluj-Napoca is hosting a GABC and appears on the Azure map.

On April 22nd, you are invited to join this event which will have three 90 minute workshops which will be part theoretical and part practical, so we advise you to bring a laptop 🙂

I will be speaking at the event, and my workshop is about ARM templates 🙂

The event will start at 9:00 AM and will finish at around 2:00 PM.

Here are the event workshops:

Azure Functions (Radu Vunvulea)

What are Azure Functions? AWS Lambda from Azure. This is the fastest way how we can present Azure Functions. During this workshop, we will have a challenge to create a system that can process and analyze data without VMs or other computation units. We will use only Azure Functions for it. Sounds interesting, then let’s meet from 09:30 and find out how you can do this.

Machine learning for mere mortals with Azure ML (Silviu Niculita)

Machine learning has been leveraged to radically change many industry verticals. The problem is the learning curve has always been very steep. Exotic languages, complex tools, little or no documentation.But innovative cloud-based ML platforms are changing that and democratizing access. During this session, you will learn the basics of machine learning, and you will see a demo of how you can build a prediction model using real-world data, evaluate several different algorithms and modeling strategies, then deploy the finished model as a scalable RESTful API within minutes.

ARM Templates, how to create them, and use them in your CD pipeline (Florin Loghiade)

Azure has an excellent API that permits the user to automate the creation of every complex environment, using one single JSON document. Those documents are called ARM Templates, and they can be used to create, manage and even refresh any type of resource available in Azure. Using ARM templates and PowerShell combined with a CI/CD tool like VSTS, TeamCity, Jenkins, you can automate the build and deployment of the most complex application out there. In this hands-on lab, you will learn about the benefits of using Azure Resource Manager templates, when and how to use PowerShell in the CI/CD pipeline, and what it takes to create ARM Templates.

Here is the meetup link and I hope to see you at the next Global Azure BootCamp!

Global Azure Bootcamp 2017 powered by ITCamp

Saturday, Apr 22, 2017, 9:00 AM

Endava Office (ISDC)
Avram Iancu 506-508 407280 | Florești Cluj-Napoca, RO

13 ITCamp-ers Went

Acesta este al cincilea an când ITCamp community organizează Global Azure Boot Camp. Acesta este un eveniment la nivel global care are loc în peste 159 de locații. Ca și anul trecut, Clujul nu se lasă mai prejos și apare pe harta Azure. Pe data de 22 Aprilie vă invităm pe toți la acest eveniment din Cluj-Napoca, care va conține 3 workshop-uri.Part…

Check out this Meetup →

Converting existing VM deployment ARM templates to use Managed Disks

In my last blog post, I talked about why we should stop using regular storage accounts for our IaaS VMs and why should we use Managed Disks. In today’s blog post I will talk about how you can modify your existing ARM templates that deploy your VMS to use Managed Disks from now on.

Let’s take a look at a regular storage account based ARM Template:

We have a resources block where we specify a storage account, and we use that resource to create an OS Disk and a Data Disk for the particular VM.

If we want to add more disks then we copy paste the what’s between the dataDisks array a couple of times, modify the LUN and name and we’re happy.

Converting the template to a managed disk format is pretty easy. You first need to reference in the template the API Compute (do note that we’re not modifying storage API) version 2016-04-30-preview or a later version (never use -preview in your production templates!)

You change the storage profile to reference managed disks as shown the code snip below:

Hard? I don’t think so, MS made it very easy to convert existing templates to use Managed Disks. You basically remove some code from the template 🙂

This sample is for single VMs;

If you have multiple VMs in an Availability set, you need to add a “managed” property to the Availability Set block like shown below:

Hope this was usefull, if you have any comments, write them down below 🙂

Have a good one!

NSG in ARM Template – Little nugget to be careful of

A friend of mine was having issues connecting to a couple of VMs that he provisioned using an ARM template. The template worked perfectly until he added the JSON block to add an NSG.

Every time he started a deployment with the NSG block in the ARM template, he wouldn’t be able to connect to the VMs in any way. The fun fact was that even deleting the NSG didn’t solve the issue, so he had to recreate the whole environment from scratch and trust me that took a while 🙂

So what was the problem, you may ask?

He was using a source TAG Internet which for some reason (I still haven’t figured this one out), killed the connectivity on the VMs on both sides (Private and Public IPs) and funnily enough, the logs didn’t show anything.

If you encounter a problem like this one, double check your NSG blocks to not have sourceAddressPrefix: Internet but sourceAddressPrefix: *

Problematic example:

Working example:

So far I haven’t been able to reproduce it, and I’m still looking into what’s causing the issue for that particular ARM template but if you encounter something similar, give it a try and let me know your findings 🙂

Have a good one!

Azure Virtual Network Peering – What is it and how to use it

Virtual network peering is a new mechanism in Azure Resource Manager that allows two virtual networks from the same region to be connected through the Azure backbone network. From a connectivity standpoint, this mechanism allows virtual machines in separate virtual networks to communicate with each other using private IP addresses. In this post, I will talk about what Virtual Network Peering is and how we can use it.

Azure Resource Policies – What they are and how to use them

In a previous post I was talking and demonstrating how to create Custom Role Based Access Controls which could be tailored comply with a company’s requirements. Another company requirement is compliance regarding data governance. Say you have one or multiple Azure Subscriptions and one of the company policies is that nobody should be able to create Azure resources outside a specific region. Some / all of the company’s contracts have a mandatory clause that all the data they produce and keep in the cloud should only reside in a specific geographical region. Microsoft has gone to great lengths to ensure that their cloud services (Azure or Office 365) comply with national, regional, and industry-specific requirements governing the collection and use of individual’s data.

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