terraform script add

packer/ansible/roles/kubernetes_install/tasks/helm-chart-nginx.yml

@@ -0,0 +1,13 @@
+---
+- name: Create Nginx Ingress Controller deployment
+  kubernetes.core.helm:
+    kubeconfig: "{{ role_path }}/files/kubeconfig"
+    name: "{{item}}"
+    release_name: "{{item}}"
+    release_namespace: "{{item}}"
+    chart_ref: "{{ role_path }}/files/{{item}}"
+    create_namespace: yes
+    release_state: present
+  with_items:
+    - nginx-ingress
+

packer/ansible/roles/kubernetes_install/tasks/helm-install.yml

@@ -0,0 +1,60 @@
+---
+- name: Create Helm temporary directory
+  file:
+    path: /tmp/helm
+    state: directory
+    mode: "0755"
+
+- name: Fetch Helm package
+  get_url:
+    url: 'https://get.helm.sh/helm-{{ helm_version }}-linux-amd64.tar.gz'
+    dest: /tmp/helm.tar.gz
+    checksum: '{{ helm_checksum }}'
+
+- name: Extract Helm package
+  unarchive:
+    remote_src: true
+    src: /tmp/helm.tar.gz
+    dest: /tmp/helm
+
+- name: Ensure "docker" group exists
+  group:
+    name: docker
+    state: present
+  become: true
+
+- name: Install helm to /usr/local/bin
+  copy:
+    remote_src: true
+    src: /tmp/helm/linux-amd64/helm
+    dest: /usr/local/bin/helm
+    owner: root
+    group: docker
+    mode: "0755"
+  become: true
+
+- name: Cleanup Helm temporary directory
+  file:
+    path: /tmp/helm
+    state: absent
+
+- name: Cleanup Helm temporary download
+  file:
+    path: /tmp/helm.tar.gz
+    state: absent
+
+- name: Ensure bash_completion.d directory exists
+  file:
+    path: /etc/bash_completion.d
+    state: directory
+    mode: "0755"
+  become: true
+
+- name: Setup Helm tab-completion
+  shell: |
+    set -o pipefail
+    /usr/local/bin/helm completion bash | tee /etc/bash_completion.d/helm
+  args:
+    executable: /bin/bash
+  changed_when: false
+  become: true

packer/ansible/roles/kubernetes_install/tasks/k8s-helm-chart.yml

@@ -0,0 +1,7 @@
+---
+# Set up master.
+- include_tasks: helm-install.yml
+  when: kubernetes_role == 'master'
+
+- include_tasks: helm-chart-nginx.yml
+  when: kubernetes_role == 'master'

packer/ansible/roles/kubernetes_install/tasks/k8s-main.yml

@@ -0,0 +1,68 @@
+---
+- name: Install kubernetes
+  block:
+    - name: 'Add kubernetes repo key'
+      apt_key:
+        url: https://packages.cloud.google.com/apt/doc/apt-key.gpg
+        state: present
+      become: true
+    - name: Add kubernetes repository
+      apt_repository:
+        repo: deb http://apt.kubernetes.io kubernetes-xenial main
+        state: present
+        filename: 'kubernetes'
+      become: true
+    - name: Install kubernetes components
+      apt: 
+        name: ['kubelet={{kubernetes_version}}-*', 'kubeadm={{kubernetes_version}}-*', 'kubectl={{kubernetes_version}}-*']
+        state: present
+        update_cache: yes
+        #force: yes
+        #dpkg_options: force-downgrade
+
+- name: Hold kubernetes packages
+  dpkg_selections:
+    name: "{{item}}"
+    selection: hold
+  with_items:
+    - kubelet
+    - kubectl
+    - kubeadm
+
+- name: Enable kubelet service
+  systemd:
+    name: kubelet
+    enabled: true
+    masked: false
+
+- name: Check if Kubernetes has already been initialized.
+  stat:
+    path: /etc/kubernetes/admin.conf
+  register: kubernetes_init_stat
+
+
+          
+# Set up master.
+- include_tasks: k8s-master.yml
+  when: kubernetes_role == 'master'
+
+# Set up nodes.
+- name: Get the kubeadm join command from the Kubernetes master.
+  command: kubeadm token create --print-join-command
+  changed_when: false
+  when: kubernetes_role == 'master'
+  register: kubernetes_join_command_result
+
+- name: Set the kubeadm join command globally.
+  set_fact:
+    kubernetes_join_command: >
+      {{ kubernetes_join_command_result.stdout }}
+      {{ kubernetes_join_command_extra_opts }}
+  when: kubernetes_join_command_result.stdout is defined
+  delegate_to: "{{ item }}"
+  delegate_facts: true
+  with_items: "{{ groups['all'] }}"
+
+- include_tasks: k8s-node.yml
+  when: kubernetes_role == 'node'
+     

packer/ansible/roles/kubernetes_install/tasks/k8s-master.yml

@@ -0,0 +1,34 @@
+---
+- name: Initialize Kubernetes master with kubeadm init.
+  command: >
+    kubeadm init
+    --pod-network-cidr={{ kubernetes_pod_network.cidr }}
+    --apiserver-advertise-address={{ kubernetes_apiserver_advertise_address | default(ansible_default_ipv4.address, true) }}
+    {{ kubernetes_kubeadm_init_extra_opts }}
+  register: kubeadmin_init
+  when: not kubernetes_init_stat.stat.exists
+
+- name: Print the init output to screen.
+  debug:
+    var: kubeadmin_init.stdout
+    verbosity: 2
+  when: not kubernetes_init_stat.stat.exists
+
+- name: Ensure .kube directory exists.
+  file:
+    path: ~/.kube
+    state: directory
+
+- name: Symlink the kubectl admin.conf to ~/.kube/conf.
+  file:
+    src: /etc/kubernetes/admin.conf
+    dest: ~/.kube/config
+    state: link
+
+- name: Configure Calico networking.
+  command: "{{ item }}"
+  with_items:
+    - kubectl apply -f {{ kubernetes_calico_manifest_file }}
+  register: calico_result
+  changed_when: "'created' in calico_result.stdout"
+  when: kubernetes_pod_network.cni == 'calico'

packer/ansible/roles/kubernetes_install/tasks/k8s-node.yml

@@ -0,0 +1,6 @@
+---
+- name: Join node to Kubernetes master
+  shell: >
+    {{ kubernetes_join_command }}
+    creates=/etc/kubernetes/kubelet.conf
+  tags: ['skip_ansible_lint']

packer/ansible/roles/kubernetes_install/tasks/main.yml

@@ -0,0 +1,10 @@
+---
+- include: os-main.yml
+  tags: os-main
+
+- include: os-runtime.yml
+  tags: os-runtime
+  
+- include: k8s-main.yml
+  tags: k8s-main
+

packer/ansible/roles/kubernetes_install/tasks/os-main.yml

@@ -0,0 +1,70 @@
+---
+- name: Update and upgrade apt packages
+  apt:
+    upgrade: yes
+    update_cache: yes
+    force_apt_get: yes
+    cache_valid_time: 86400
+
+- name: Install apt packages
+  apt:
+    name: ['cloud-utils', 'apt-transport-https', 'ca-certificates', 'curl', 'socat', 'conntrack', 'gnupg', 'lsb-release', 'bash-completion', 'chrony']
+    state: present
+
+- name: Disable ufw 
+  command: 'ufw disable'
+
+- name: Disable SWAP since kubernetes can't work with swap enabled (1/2)
+  command: 'swapoff -a'
+
+- name: Disable SWAP in fstab since kubernetes can't work with swap enabled (2/2)
+  replace:
+    path: /etc/fstab
+    regexp: '^([^#].*?\sswap\s+sw\s+.*)$'
+    replace: '# \1'
+
+- name: Add br_netfilter to module autoload
+  lineinfile:
+    path: /etc/modules-load.d/k8s2.conf
+    line: "{{ item }}"
+    create: true
+  with_items:
+    - 'overlay'
+    - 'br_netfilter'
+
+- name: Add br_netfilter to module autoload
+  modprobe:
+    name: "{{ item }}"
+    state: present
+  become: true
+  with_items:
+    - 'overlay'
+    - 'br_netfilter'
+
+- name: Add br_netfilter to module autoload
+  lineinfile:
+    path: /etc/sysctl.d/k8s2.conf
+    line: "{{ item }}"
+    create: true
+  with_items:
+    - 'net.bridge.bridge-nf-call-iptables  = 1'
+    - 'net.bridge.bridge-nf-call-ip6tables = 1'
+    - 'net.ipv4.ip_forward                 = 1'
+
+- name: Disable net.bridge.bridge-nf-call-iptables
+  sysctl:
+    name: "{{ item }}"
+    value: 1
+  with_items:
+    - 'net.bridge.bridge-nf-call-iptables'
+    - 'net.bridge.bridge-nf-call-ip6tables'
+
+- name: Disable net.ipv4.ip_forward
+  sysctl:
+    name: net.ipv4.ip_forward
+    value: "1"
+
+- name: Setting hosts file
+  template:
+    src: hosts.j2
+    dest: /etc/hosts

packer/ansible/roles/kubernetes_install/tasks/os-runtime.yml

@@ -0,0 +1,45 @@
+---
+- name: Add docker apt key
+  apt_key:
+    url: https://download.docker.com/linux/{{ ansible_distribution | lower }}/gpg
+
+
+- name: Add docker apt repository
+  apt_repository:
+    repo: deb [arch=amd64] https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable
+    filename: docker
+  register: containerd_apt_repo_task
+
+- name: apt update
+  apt:
+    update_cache: yes
+  when: containerd_apt_repo_task.changed
+
+- name: Create containerd configuration directory
+  file:
+    path: /etc/containerd
+    state: directory
+
+- name: Configure containerd
+  template:
+    src: config.toml.j2
+    dest: /etc/containerd/config.toml
+  notify:
+    - Restart containerd service
+
+- name: Install required packages
+  apt:
+    name:
+      - containerd.io
+  notify:
+    - Reload systemd configuration
+    - Restart containerd service
+
+- meta: flush_handlers
+
+- name: Enable containerd service
+  service:
+    name: containerd
+    enabled: True
+    state: started
+