When a service is deployed to Kubernetes we often need to specify a static IP address. This means that if the service gets recreated it retains the same IP. By default when you deploy a service in Kubernetes on Azure…
Read more
Scenario An organisation wanted to deploy each application into a separate Kubernetes namespace. Each application will be available at a subdomain of example.com, via a wildcard DNS entry of *.example.com pointing to the ingress controller’s service IP address. A single…
Read more
Corporate security policy often requires the flow of traffic to be restricted between between Kubernetes pods. This is similar to how switch access control lists restrict traffic between physical servers. This functionality Kubernetes the traffic flow is configured using network…
Read more
Deploying a Kubernetes service on Azure with a specific IP addresses Each time a Kubernetes service is created within an ACS or AKS cluster a static Azure IP address is assigned. If an IP address exists in the resource group…
Read more
Infrastructure of Code is key to achieving consistent deployment of infrastructure in the cloud. Amazon Web Services enable infrastructure as code using CloudFormation templates ( https://aws.amazon.com/cloudformation/ ). In AWS’s own words: “AWS CloudFormation gives developers and systems administrators an easy…
Read more
Over the past 12 months I have been working with customers on hackfests. We often work with organizations that have highly secured workstations and networks. This proves to be a problem as during the hackfest we need to be using…
Read more
I recently created a set of Azure Resource Manager (ARM) templates ( https://github.com/marrobi/RancherOnAzure/ ) to simplify the deployment of Rancher ( http://rancher.com/rancher/ ) to Azure. Rancher is an Open Source container management platform – https://github.com/rancher/rancher. Rancher offers the facility to…
Read more
Over the past 12 months I have spent many weeks working with customers migrating Linux based workloads to Azure. When we turn up on a customer site we often need to get OSS projects up and running on Azure as…
Read more
Using Docker Machine to provision a VM running Docker on Azure Docker Machine facilitates the creation and management of virtual hosts running Docker engine https://docs.docker.com/machine/overview/ . This could be a host running within a VM on your local machine, via…
Read more
On Tuesday 13th September 2016 I am hosting the DevOps day of TechDays Online. Live stream available here: https://channel9.msdn.com/Events/TechDaysOnline/UK-TechDays-Online-September-2016 The agenda for the day is as follows: 9.30am: Steve Thair – DevOps is the answer! What was the question again? DevOps is…
Read more