feat(kubernetes): add initial setup for ArgoCD, Cert-Manager, MetalLB, and Traefik

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

roles/kubernetes_argocd/tasks/main.yml

@@ -0,0 +1,50 @@
+---
+- name: Install ArgoCD
+  block:
+    - name: Create ArgoCD namespace
+      kubernetes.core.k8s:
+        name: "{{ argocd_namespace }}"
+        api_version: v1
+        kind: Namespace
+        state: present
+
+    - name: Apply ArgoCD manifests
+      kubernetes.core.k8s:
+        src: "{{ argocd_repo }}"
+        state: present
+        namespace: "{{ argocd_namespace }}"
+      register: apply_manifests
+      until: apply_manifests is not failed
+      retries: 5
+      delay: 10
+
+    - name: Wait for ArgoCD server to be ready
+      kubernetes.core.k8s_info:
+        api_version: apps/v1
+        kind: Deployment
+        name: argocd-server
+        namespace: "{{ argocd_namespace }}"
+      register: rollout_status
+      until: rollout_status.resources[0].status.readyReplicas is defined and rollout_status.resources[0].status.readyReplicas == rollout_status.resources[0].spec.replicas
+      retries: 30
+      delay: 10
+
+- name: Apply ArgoCD Ingress
+  kubernetes.core.k8s:
+    definition: "{{ lookup('ansible.builtin.template', 'ingress.yml.j2') | from_yaml }}"
+    state: present
+    namespace: "{{ argocd_namespace }}"
+  register: apply_manifests
+  until: apply_manifests is not failed
+  retries: 5
+  delay: 10
+
+- name: Apply ArgoCD CM
+  kubernetes.core.k8s:
+    src: "files/argocd-cmd-params-cm.yaml"
+    state: present
+    namespace: "{{ argocd_namespace }}"
+  register: apply_manifests
+  until: apply_manifests is not failed
+  retries: 5
+  delay: 10