Dell-Omnia-Clusters-HPC-AI/kubernetes/roles/startmaster/tasks/main.yml

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#      http://www.apache.org/licenses/LICENSE-2.0
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---
- name: Turn Swap OFF (if not already disabled)
  command: /usr/sbin/swapoff -a
  tags: init

- name: Initialize kubeadm
  command: /bin/kubeadm init --pod-network-cidr=10.244.0.0/16 --apiserver-advertise-address={{ master_ip }}
  #command: /bin/kubeadm init 
  register: init_output 
  tags: init

- name: Setup Directory for Kubernetes environment for root
  file: path=/root/.kube state=directory
  tags: init

- name: Copy Kubernetes Config for root #do this for other users too?
  copy: 
    src: /etc/kubernetes/admin.conf 
    dest: /root/.kube/config 
    owner: root 
    group: root 
    mode: 644
    remote_src: yes
  tags: init

- name: Cluster token
  shell: kubeadm token list | cut -d ' ' -f1 | sed -n '2p'
  register: K8S_TOKEN
  tags: init

- name: CA Hash
  shell: openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //'
  register: K8S_MASTER_CA_HASH
  tags: init

- name: Add K8S Master IP, Token, and Hash to dummy host
  add_host:
    name:   "K8S_TOKEN_HOLDER"
    token:  "{{ K8S_TOKEN.stdout }}"
    hash:   "{{ K8S_MASTER_CA_HASH.stdout }}"
    ip:     "{{ master_ip }}"
  tags: init

- name:
  debug:
    msg: "[Master] K8S_TOKEN_HOLDER K8S token is {{ hostvars['K8S_TOKEN_HOLDER']['token'] }}"
  tags: init

- name:
  debug:
    msg: "[Master] K8S_TOKEN_HOLDER K8S Hash is  {{ hostvars['K8S_TOKEN_HOLDER']['hash'] }}"
  tags: init

- name:
  debug:
    msg: "[Master] K8S_MASTER_IP is  {{ master_ip }}"
  tags: init

- name: Setup Calico SDN network
  shell: kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
  tags: init
  
#- name: Setup Flannel SDN network
  #shell: kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml
  #tags: init

- name: Enabled GPU support in Kubernetes
  shell: kubectl create -f https://raw.githubusercontent.com/NVIDIA/k8s-device-plugin/1.0.0-beta4/nvidia-device-plugin.yml
                           #https://raw.githubusercontent.com/NVIDIA/k8s-device-plugin/v1.11/nvidia-device-plugin.yml
  register: gpu_enable
  tags: init

- name: Create yaml repo for setup
  file: 
    path: /root/k8s 
    state: directory
  tags: init

- name: Create Service Account (K8S Dashboard) Files
  copy: src=create_admin_user.yaml dest=/root/k8s/create_admin_user.yaml owner=root group=root mode=655
  tags: init

- name: Create Service Account (K8S Dashboard) - Create
  shell: kubectl create -f /root/k8s/create_admin_user.yaml
  tags: init

- name: Create ClusterRoleBinding (K8S Dashboard) Files
  copy: src=create_clusterRoleBinding.yaml dest=/root/k8s/create_clusterRoleBinding.yaml owner=root group=root mode=655
  tags: init

- name: Create ClusterRoleBinding (K8S Dashboard) - Apply
  shell: kubectl create -f /root/k8s/create_clusterRoleBinding.yaml
  tags: init

- name: Dump Bearer Token for K8S Dashboard Login
  shell: kubectl -n kube-system describe secret $(kubectl -n kube-system get secret | grep admin-user | awk '{print $1}') > /root/k8s/token
  tags: init

- name: Edge / Workstation Install allows pods to scheudle on master
  shell: kubectl taint nodes --all node-role.kubernetes.io/master-
  when: single_node 
  tags: init


# If more debug information is needed during init uncomment the following 2 lines
#- debug: var=init_output.stdout_lines
  #tags: init