# Copyright 2020 Adarsh yadav, Aditya Srivastava
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
---

#Disabling Swap
- name: Disabling Swap on all nodes
  shell: swapoff -a

#Commenting Swap entries
- name: Commenting Swap entries in /etc/fstab
  replace:
   path: /etc/fstab
   regexp: '(^/.*swap*)'
   replace: '# \1'

#Stopping firewalld
- name: 'Stopping firewall'
  service:
   name: firewalld
   state: stopped
   enabled: no

#Disabling SELinux
- name: Disabling SELinux on all nodes
  shell: |
    setenforce 0
    sudo sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config

#installing docker
- name: Installing Docker
  shell: yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

#Adding K8s repo
- name: Adding repository details in Kubernetes repo file.
  blockinfile:
   path: /etc/yum.repos.d/kubernetes.repo
   block: |
    [kubernetes]
    name=Kubernetes
    baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
    enabled=1
    gpgcheck=1
    repo_gpgcheck=1
    gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg
      https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg

#installing K8s ans docker
- name: Installing K8s
  yum:
   name: ['kubeadm', 'kubectl', 'kubelet', 'docker-ce']
   state: present

#Starting docker and kubelet services
- name: Starting and Enabling the required services
  service:
   name: "{{ item }}"
   state: started
   enabled: yes
  with_items:
   - docker
   - kubelet