Azure Arc is a great tool to manage your on-premises hardware with Azure. This series will focus on managing a Kubernetes (k3s) cluster and will show how to install Azure Arc, and how to use different Azure services to manage the cluster.
Project Requirements and Restrictions
The project for this demo has the following requirements and restrictions:
- Two on-premises Ubuntu 20.04 VMs
- Install and manage a Kubernetes distribution
- Developers must use CI/CD pipelines to deploy their applications
- A firewall blocks all inbound traffic
- Outbound traffic is allowed only on port 443
- Application logging
- Monitor Kubernetes and Vms metrics
- Alerting if something is wrong
The biggest problem with these restrictions is that the firewall blocks all inbound traffic. This makes the developers’ life way hard, for example, using a CD pipeline with Azure DevOps won’t work because Azure DevOps would push the changes from the internet onto the Kubernetes cluster.
All these problems can be solved with Azure Arc though. Let’s see how to implement all this requirements from start to finish.
Securely connect to an on-premises Kubernetes Cluster with Azure Arc
Monitor an on-premises k3s Cluster with Azure Monitor and Azure Arc
Use the TokenRequest API to create Tokens in Kubernetes 1.24
Securely deploy Applications in Azure Arc with the Flux GitOps Extension
Deploy Applications from private Repositories using Flux GitOps and Azure Arc
- CD with Helm Charts using Flux
- Azure Key Vault integration
- Azure App Services running on on-premises infrastructure
- Azure Managed SQL instance running on on-premises infrastructure
- Azure RBAC to access the cluster
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