---
# tasks file for kubeslavenode

- debug:
    msg: "Slave Node Configuration"

- name: "Installing docker"
  package:
    name: "docker"
    state: present

- name: "Starting and enabling docker service permanently"
  service:
    name: "docker"
    state: started
    enabled: yes

- name: "configuring yum repo for kubeadm"
  yum_repository:
    name: "K8s-repo"
    description: "Repository for K8s"
    baseurl: "https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64"
    gpgcheck: yes
    repo_gpgcheck: yes
    description: Kubernetes
    gpgkey: https://packages.cloud.google.com/yum/doc/yum-key.gpg https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
    enabled: yes

- name: "Installing kubeadm, kubectl and kubelet"
  package:
    name:
      - kubelet
      - kubeadm
      - kubectl
    state: present

- name: "Starting and enabling kubelet service"
  service:
    name: "kubelet"
    state: started
    enabled: yes
  ignore_errors: True

- name: "Pulling required docker images for kubernetes"
  command: "kubeadm config images pull"

- name: "Changing the driver of docker from cgroupfs to systemd"
  copy:
    dest: "/etc/docker/daemon.json"
    content: '{
              "exec-opts": ["native.cgroupdriver=systemd"]
              }'

- name: "Restarting docker service"
  service:
    name: "docker"
    state: restarted

- name: "Installing iproute-tc software"
  package:
    name: "iproute-tc"
    state: present

- name: appending systcl file
  shell: "cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf \n net.bridge.bridge-nf-call-ip6tables = 1 \n net.bridge.bridge-nf-call-iptables = 1"

- name: "Starting sysctl service"
  command: "sudo sysctl --system"

- name: Copy the join command to server location
  copy: 
    src: /kubeMutiClusterOnAwsRole/joincmd.txt 
    dest: /kubeMutiClusterOnAwsRole/joincmd.sh
    mode: +x 

- name: join command
  shell: "sh /kubeMutiClusterOnAwsRole/joincmd.sh"


- debug:
        msg: "Both Master and slave Nodes are successfully configured... Now, you can lauch the deployment and use it"