Added ansible setup and namespace creation to Terraform script

ansible/inventory.ini

@@ -8,3 +8,4 @@
 [all:vars]
 ansible_user=ansible
 ansible_ssh_private_key_file=../terraform/.local/.ssh/id_rsa
+ansible_python_interpreter=/usr/bin/python3

ansible/kubernetes_master/tasks/main.yml

@@ -123,9 +123,7 @@
     mode: "0755"
 
 - name: Download Kubernetes GPG key securely
-  ansible.builtin.shell: |
-    set -o pipefail
-    curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.31/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
+  ansible.builtin.shell: curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.31/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
 
 - name: Add Kubernetes repository
   ansible.builtin.apt_repository:
@@ -139,7 +137,7 @@
       - kubeadm
       - kubectl
     state: present
-    update_cache: true
+    update_cache: yes
 
 - name: Hold kubelet, kubeadm, kubectl packages
   ansible.builtin.command:
@@ -213,6 +211,8 @@
 - name: Initialize Kubernetes control plane
   ansible.builtin.command:
     cmd: kubeadm init --pod-network-cidr=10.244.0.0/16
+    creates: /tmp/kubeadm_output
+  register: kubeadm_init_output
   become: true
   changed_when: false
 
@@ -223,15 +223,17 @@
     owner: ansible
     mode: "0755"
 
-- name: Generate join command
-  ansible.builtin.command: kubeadm token create --print-join-command
-  register: join_command
-
-- name: Copy join command to local file
-  ansible.builtin.copy:
-    content: '"{{ join_command.stdout_lines[0] }}"'
-    dest: '"/tmp/join-command"'
+- name: Store Kubernetes initialization output to file
+  copy:
+    content: "{{ kubeadm_init_output.stdout }}"
+    dest: /tmp/kubeadm_output
+  become: true
   delegate_to: localhost
+
+- name: Generate the Join Command
+  ansible.builtin.shell: cat /tmp/kubeadm_output | tail -n 2 | sed ':a;N;$!ba;s/\\\n\s*/ /g' > /tmp/join-command
+  delegate_to: localhost
+
 - name: Set permissions for the Join Executable
   ansible.builtin.file:
     path: /tmp/join-command

ansible/kubernetes_worker/tasks/main.yml

@@ -11,6 +11,10 @@
     state: present
     update_cache: true
 
+- name: Set a hostname
+  ansible.builtin.hostname:
+    name: worker-{{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}
+
 - name: Install Docker
   ansible.builtin.apt:
     name: docker.io

terraform/main.tf

@@ -10,6 +10,10 @@ terraform {
         source = "hashicorp/template"
         version = "2.2.0"
     }
+    null = {
+      source = "hashicorp/null"
+      version = "3.2.3"
+    }
   }
 }
 
@@ -47,6 +51,9 @@ resource libvirt_volume ubuntu2404_resized {
   count          = local.masternodes + local.workernodes
 }
 
+data template_file private_key {
+  template = file("${path.module}/.local/.ssh/id_rsa")
+}
 
 data template_file public_key {
   template = file("${path.module}/.local/.ssh/id_rsa.pub")
@@ -158,3 +165,30 @@ resource libvirt_domain k8s_workers {
     autoport    = true
   }
 }
+
+resource null_resource run_ansible {
+    depends_on = [ 
+      libvirt_domain.k8s_masters,
+      libvirt_domain.k8s_workers
+ ]     
+
+    provisioner "local-exec" {
+        command = "ANSIBLE_HOST_KEY_CHECKING=False ansible-playbook -vvv -i ../ansible/inventory.ini ../ansible/k8s.yml -K"
+    }
+}
+
+resource null_resource create_namespace {
+    depends_on = [ 
+      null_resource.run_ansible
+ ]
+    provisioner "remote-exec"  {
+      inline = ["sudo mkdir ~/.kube", "sudo cp /etc/kubernetes/admin.conf ~/.kube/", "sudo mv ~/.kube/admin.conf ~/.kube/config", "sudo service kubelet restart", "sudo kubectl --kubeconfig ~/.kube/config create namespace kiratech-test"]
+
+      connection {
+          host        = libvirt_domain.k8s_masters[0].network_interface[0].addresses[0]
+		  type        = "ssh"
+          user        = "ansible"
+          private_key = data.template_file.private_key.rendered
+      } 
+    }
+}