• Install and configure external-DNS on AWS EKS

  3 min read

  With external DNS the DNS records for the ingress objects we have will be created automatically. We can choose between several cloud providers but we can even configure it to use the standard dynamic zone manipulation defined in RFC-2136. Let's see how to configure it on AWS EKS with Route53

  09/11/2021

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• Install a multi-master K3S cluster with embedded etcd

  2 min read

  
  

  K3s has added full support for embedded etcd as of release v1.19.5+k3s1, so now we can create a multi-master cluster without the need of having an external MySQL database

  08/11/2021

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• Create a comma separated list of quoted strings on terraform

  2 min read

  
  

  Some times we need to generate a quoted comma separated list of strings out of a variable that is list of strings, for example, to generate an IAM policy like this one:

  {
    "Version": "2012-10-17",
    "Statement": [
      {
        "Effect": "Allow",
        "Action": [
          "secretsmanager:GetResourcePolicy",
          "secretsmanager:GetSecretValue",
          "secretsmanager:DescribeSecret",
          "secretsmanager:ListSecretVersionIds"
        ],
        "Resource": [ "arn:aws:secretsmanager:...", "arn:aws:secretsmanager:.." ]
      }
    ]
  }
  

  03/11/2021

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• Pulumi: Deploy Instrastructure as Code using your favorite programming language

  6 min read

  Unlike Terraform that uses it's own language to deploy Instrastructure as Code (IaC), with Pulumi we can choose between any of the supported programming languages. For this tutorial we are going to use python deploying an object to a Kubernetes cluster

  02/11/2021

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