From 1d6d1bea7a77cbe57317a9e2f629743ce80ccd6c Mon Sep 17 00:00:00 2001
From: "tomas.limpinho" <tomas.limpinho@grupoti.pt>
Date: Sun, 12 Oct 2025 11:55:56 +0100
Subject: [PATCH] v0

---
 .gitea/workflows/deploy-k8s.yml  | 23 +++++++++++++++++++++++
 inventory.ini                    |  9 +++++++++
 playbook.yml                     | 15 +++++++++++++++
 roles/common/tasks/main.yml      | 12 ++++++++++++
 roles/kube-master/tasks/main.yml | 21 +++++++++++++++++++++
 roles/kube-node/tasks/main.yml   |  3 +++
 roles/kubernetes/tasks/main.yml  | 31 +++++++++++++++++++++++++++++++
 7 files changed, 114 insertions(+)
 create mode 100644 .gitea/workflows/deploy-k8s.yml
 create mode 100644 inventory.ini
 create mode 100644 playbook.yml
 create mode 100644 roles/common/tasks/main.yml
 create mode 100644 roles/kube-master/tasks/main.yml
 create mode 100644 roles/kube-node/tasks/main.yml
 create mode 100644 roles/kubernetes/tasks/main.yml

diff --git a/.gitea/workflows/deploy-k8s.yml b/.gitea/workflows/deploy-k8s.yml
new file mode 100644
index 0000000..e1ada71
--- /dev/null
+++ b/.gitea/workflows/deploy-k8s.yml
@@ -0,0 +1,23 @@
+name: IAC
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  hello:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Cloning ansible repository
+        uses: actions/checkout@v4
+        with:
+          path: ansible/iac
+
+      - name: Install Ansible
+        run: sudo apt-get install -y ansible
+
+      - name: Run Ansible Playbook
+        working-directory: ansible/
+        run: |
+          ansible-playbook -i inventory.ini playbook.yml
\ No newline at end of file
diff --git a/inventory.ini b/inventory.ini
new file mode 100644
index 0000000..70d9f51
--- /dev/null
+++ b/inventory.ini
@@ -0,0 +1,9 @@
+[kube-master]
+master1 ansible_host=192.168.1.10 ansible_user=ubuntu
+
+[kube-node]
+node1 ansible_host=192.168.1.11 ansible_user=ubuntu
+node2 ansible_host=192.168.1.12 ansible_user=ubuntu
+
+[all:vars]
+ansible_python_interpreter=/usr/bin/python3
\ No newline at end of file
diff --git a/playbook.yml b/playbook.yml
new file mode 100644
index 0000000..fa4763f
--- /dev/null
+++ b/playbook.yml
@@ -0,0 +1,15 @@
+- name: Configure Kubernetes Master
+  hosts: kube-master
+  become: yes
+  roles:
+    - common
+    - kubernetes
+    - kube-master
+
+- name: Configure Kubernetes Nodes
+  hosts: kube-node
+  become: yes
+  roles:
+    - common
+    - kubernetes
+    - kube-node
diff --git a/roles/common/tasks/main.yml b/roles/common/tasks/main.yml
new file mode 100644
index 0000000..408dd77
--- /dev/null
+++ b/roles/common/tasks/main.yml
@@ -0,0 +1,12 @@
+- name: Update apt cache
+  apt:
+    update_cache: yes
+
+- name: Install basic packages
+  apt:
+    name:
+      - curl
+      - vim
+      - net-tools
+      - gnupg
+    state: present
\ No newline at end of file
diff --git a/roles/kube-master/tasks/main.yml b/roles/kube-master/tasks/main.yml
new file mode 100644
index 0000000..65a2373
--- /dev/null
+++ b/roles/kube-master/tasks/main.yml
@@ -0,0 +1,21 @@
+- name: Initialize Kubernetes master
+  command: kubeadm init --pod-network-cidr=192.168.1.3/16
+  args:
+    creates: /etc/kubernetes/admin.conf
+
+- name: Set up kubeconfig for user
+  copy:
+    src: /etc/kubernetes/admin.conf
+    dest: /home/ubuntu/.kube/config
+    remote_src: yes
+    owner: ubuntu
+    group: ubuntu
+    mode: 0644
+
+- name: Install Calico CNI
+  become: yes
+  become_user: ubuntu
+  shell: |
+    kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
+  environment:
+    KUBECONFIG: /home/ubuntu/.kube/config
diff --git a/roles/kube-node/tasks/main.yml b/roles/kube-node/tasks/main.yml
new file mode 100644
index 0000000..24c1eef
--- /dev/null
+++ b/roles/kube-node/tasks/main.yml
@@ -0,0 +1,3 @@
+- name: Join Kubernetes cluster
+  shell: "{{ hostvars['master1']['kubeadm_join_command'] }}"
+  when: hostvars['master1']['kubeadm_join_command'] is defined
diff --git a/roles/kubernetes/tasks/main.yml b/roles/kubernetes/tasks/main.yml
new file mode 100644
index 0000000..ac7d6c9
--- /dev/null
+++ b/roles/kubernetes/tasks/main.yml
@@ -0,0 +1,31 @@
+- name: Install containerd
+  apt:
+    name: containerd
+    state: present
+
+- name: Add Kubernetes APT key
+  apt_key:
+    url: https://packages.cloud.google.com/apt/doc/apt-key.gpg
+    state: present
+
+- name: Add Kubernetes repo
+  apt_repository:
+    repo: deb http://apt.kubernetes.io/ kubernetes-xenial main
+    state: present
+
+- name: Install Kubernetes components
+  apt:
+    name:
+      - kubelet
+      - kubeadm
+      - kubectl
+    state: present
+    update_cache: yes
+
+- name: Hold Kubernetes packages
+  apt:
+    name:
+      - kubelet
+      - kubeadm
+      - kubectl
+    state: hold