everything.yml

---
# This playbook deploys a single node Kubernetes cluster with Kubeless on Ubuntu 18.04

- hosts: all
  remote_user: root
  tasks:
    - name: upgrade
      apt: update_cache=yes upgrade=full

    - name: reboot
      reboot:
        reboot_timeout: 3600

    - name: docker
      apt:
        name: "docker.io"

    - name: docker systemd
      lineinfile:
        dest: /lib/systemd/system/docker.service
        regexp: '^ExecStart=/usr/bin/dockerd(.*)$'
        line: ExecStart=/usr/bin/dockerd

    - name: enable docker
      systemd:
        name: docker
        enabled: yes
        state: restarted

    - name: kubeadm key
      apt_key:
        url: https://packages.cloud.google.com/apt/doc/apt-key.gpg
        state: present

    - name: kubeadm repo
      apt_repository:
        repo: deb https://apt.kubernetes.io/ kubernetes-xenial main
        state: present

    - name: kubeadm
      apt:
        name: "{{ packages }}"
        update_cache: yes
      vars:
        packages:
        - kubelet
        - kubeadm
        - kubectl
    - dpkg_selections:
        name: kubelet
        selection: hold
    - dpkg_selections:
        name: kubeadm
        selection: hold
    - dpkg_selections:
        name: kubectl
        selection: hold

    - name: kubernetes
      # According to https://docs.projectcalico.org/v3.7/getting-started/kubernetes/
      # this should run with a sudo-enabled regular user. No time for that.
      # Also ignoring errors in case of having only one cpu on the VM
      command: kubeadm init --pod-network-cidr=192.168.0.0/16 --ignore-preflight-errors=all

    - name: make kube config dir
      file:
        path: "{{ ansible_env.HOME }}/.kube"
        state: directory

    - name: cp kube config
      copy:
        src: /etc/kubernetes/admin.conf
        remote_src: yes
        dest: "{{ ansible_env.HOME }}/.kube/config"
        owner: "{{ ansible_user_id }}"
        group: "{{ ansible_user_id }}"

    - name: calico
      command: kubectl apply -f https://docs.projectcalico.org/v3.7/manifests/calico.yaml

    - name: remove taints on the master
      command: kubectl taint nodes --all node-role.kubernetes.io/master-

    - name: kubeless ns
      command: kubectl create ns kubeless
    - name: kubeless create
      shell: |
        RELEASE=$(curl -s https://api.github.com/repos/kubeless/kubeless/releases/latest | grep tag_name | cut -d '"' -f 4)
        kubectl create -f https://github.com/kubeless/kubeless/releases/download/$RELEASE/kubeless-$RELEASE.yaml