---
################################################################################
# calico
# https://projectcalico.docs.tigera.io/getting-started/kubernetes/self-managed-onprem/onpremises
# https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm/#pod-network
################################################################################

- name: Check if calico is already deployed by getting all pods.
  command: kubectl get pods --all-namespaces
  ignore_errors: true
  changed_when: false
  register: pods

- name: Deploy Calico if not already installed.
  command: "kubectl apply -f {{ calico_manifest_url }}"
  register: calico_result
  changed_when: "'created' in calico_result.stdout"
  when: "'calico' not in pods.stdout"