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Alma k8s cluster

This is still working in progress. following this blog post Creating the cluster

export controller=`Your DNS record for controller`
kubeadm init --control-plane-endpoint=${controller}

Getting Your kubeconfig from controller plane.

mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config

Joining the worker node to cluster, usually this is going to be output from the previous kubeadm init command

kubeadm join ${controller}:6443 --token ${YOUR_CLUSTER_WORKER_TOKEN} \
  --discovery-token-ca-cert-hash ${YOUR_SHA_CERT}

Once you have access to kubectl and API access to your cluster; you need to use a network addon CNI, in this case we will use calico.

kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.27.2/manifests/calico.yaml

That should make your nodes ready to run workloads.

Pre-requisites

  • sudo apt-get install sshpass *Or the sshpass package is required in your system to be able to run ssh commands with a plain-text password.
cd alma-k8s
ansible all -m ping -v --extra-vars "cluster_ssh_key=$SSH_KEY"

Running playbook

This could be the first run since you dont have nopassword in visudo the first time you create the cluster.

ansible-playbook site.yml --extra-vars "cluster_ssh_key=$SSH_KEY ansible_sudo_pass=$CLUSTER_PASSWORD"

After having run the second time you may only use

ansible-playbook site.yml --extra-vars "cluster_ssh_key=$SSH_KEY"

Argo CD installation

export ARGOCD_VERSION=<desired argo cd release version (e.g. v2.7.0)>
kubectl create namespace argocd
kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/$ARGOCD_VERSION/manifests/install.yaml

act locally Optional running with rancher desktop

Create your .secrets file with content:

proxmox_token_secret=YourProxmoxSecretToken   # Refer to proxmox provider documentantion
proxmox_token_id=YourProxmoxIDTerraform       # Refer to proxmox provider documentantion
cluster_password=YourPassword                 # < Admin user for the VMS
aws_access_key=AWSKeyId                       # Get it from AWS
aws_secret_key=AWSSecret                      # Get it from AWS

export DOCKER_HOST=unix://$HOME/.rd/docker.sock
export tfvars=/Users/angel.castrobasurto/Projects/almalinux_k8s_cluster/terraform/clusters/proxmox/env/homelab/terraform.tfvars
act --secret-file=.secrets --env TFVARS=${tfvars} --artifact-server-path /tmp/artifacts