• Install AWS cloud provider on a k3s cluster

    2 min read

    k3s aws cloud provider load balancer

    One of the drawbacks of installing k3s on a EC2 instance versus using EKS is that we loose the AWS integration, so we cannot use AWS load balancers by default. Thanks to the AWS cloud provider we can overcome this limitation

    10/05/2022

    Read more...
  • Connect via ssh to a minikube node

    3 min read

    minikube ssh connect node

    minikube is a great tool for testing: For some activities we might need to access via ssh to the kubernetes nodes, minikube even provides a command to do it so we don't even have to break a sweat

    09/05/2022

    Read more...
  • Backup and restore a K3S cluster

    3 min read

    k3s backup restore etcd

    If we have a K3S Kubernetes cluster that we want to create a backup of, we can use the k3s etcd-snapshot, but that's just going to backup the information related to Pods and other Kubernetes objects, it won't backup data that resides outside of the cluster such as disks (PersistentVolumes, emptyDirs, ...), or even it's state.

    Having clarified that we are just going to backup some of the data, let's take a look how to do it.

    06/05/2022

    Read more...
  • Deploy a lambda function using terraform

    4 min read

    AWS Lambda terraform aws_lambda_function archive_file

    To be able to deploy a lambda function there are several pieces that need to be deployed:

    • IAM roles: It might need to access to the AWS API, so we need to create an IAM role to control it's privileges
    • Triggering: We might want the function to get triggered with some event (that's what we are going to do on this post) or a load balancer
    • Code: What we want to execute
    • Lambda function itself

    05/05/2022

    Read more...
  • Configure an AWS Load Balancer to target an Autoscaling Group using terraform

    3 min read

    Terraform AWS load balancer target auto scaling group

    It's quite convenient to be able to configure a AWS Load Balancer to target an Auto Scaling Group so we don't have to handle how instances are getting in and out of this load balancer. This can be done easily using terraform as follows

    04/05/2022

    Read more...

More recent...

Older content...