Set up ansible scripts to install k3s, helm, and ArgoCD in a Debian-based node

.gitignore

@@ -1,3 +1,6 @@
 /target
+/.venv
 
 .env
+
+uv.lock

.python-version

@@ -0,0 +1 @@
+3.12

.vscode/settings.json

@@ -1,3 +1,4 @@
 {
-    "editor.formatOnSave": true
+    "editor.formatOnSave": true,
+    "ansible.python.interpreterPath": "/home/nyeki/Documents/Repositories/payphone/payphone/.venv/bin/python"
 }

inventory.ini

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+[dev]
+dev-node ansible_host=p4.vps.nyeki.dev ansible_user=root

playbooks/dev/01-setup.yml

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+- name: Set up k3s on dev node
+  hosts: dev
+  become: true
+  tasks:
+    - name: Install curl
+      ansible.builtin.apt:
+        name: curl
+        state: present
+      when: ansible_os_family == "Debian"
+
+    - name: Download k3s install script
+      ansible.builtin.get_url:
+        url: https://get.k3s.io
+        dest: /tmp/k3s_install.sh
+        mode: '0755'
+
+    - name: Run k3s installer
+      ansible.builtin.command: /tmp/k3s_install.sh
+      args:
+        creates: /usr/local/bin/k3s
+
+    - name: Ensure k3s service is started and enabled
+      ansible.builtin.systemd:
+        name: k3s
+        enabled: true
+        state: started
+
+    - name: Install Python Kubernetes client
+      ansible.builtin.apt:
+        name: python3-kubernetes
+        state: present
+
+    - name: Download helm install script
+      ansible.builtin.get_url:
+        url: https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
+        dest: /tmp/get_helm.sh
+        mode: '0755'
+
+    - name: Run helm installer
+      ansible.builtin.command: /tmp/get_helm.sh
+      args:
+        creates: /usr/local/bin/helm

playbooks/dev/02-argocd.yml

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+- name: Set up ArgoCD
+  hosts: dev
+  become: true
+  tasks:
+    - name: Create ArgoCD namespace
+      kubernetes.core.k8s:
+        api_version: v1
+        kind: Namespace
+        name: argocd
+        kubeconfig: /etc/rancher/k3s/k3s.yaml
+
+    - name: Apply ArgoCD installation manifest
+      kubernetes.core.k8s:
+        state: present
+        src: https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml
+        namespace: argocd
+        kubeconfig: /etc/rancher/k3s/k3s.yaml
+
+    - name: Get ArgoCD initial admin password
+      ansible.builtin.shell: kubectl -n argocd get secret argocd-initial-admin-secret -o jsonpath="{.data.password}"
+      register: encoded_pass
+      changed_when: false
+
+    - name: Decode ArgoCD password
+      ansible.builtin.set_fact:
+        argocd_pass: "{{ encoded_pass.stdout | b64decode }}"
+
+    - name: Show ArgoCD password
+      ansible.builtin.debug:
+        msg: "ArgoCD admin password: {{ argocd_pass }}"

pyproject.toml

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+[project]
+name = "payphone"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.12"
+dependencies = [
+    "ansible>=11.9.0",
+    "ansible-lint>=25.8.1",
+]