Merge pull request #5 from nolte/feature/add_manifests

Add Support for Auto-Deploying Manifests

.travis.yml

@@ -35,6 +35,10 @@ env:
     - MOLECULE_DISTRO: geerlingguy/docker-fedora31-ansible:latest
       MOLECULE_PLAYBOOK: playbook-no-deploy.yml
 
+    # Test auto deploying manifests
+    - MOLECULE_DISTRO: geerlingguy/docker-ubuntu1804-ansible:latest
+      MOLECULE_PLAYBOOK: playbook-auto-deploying-manifests.yml
+      
     # Test multiple masters in control plane with PostgreSQL
     - MOLECULE_DISTRO: geerlingguy/docker-centos8-ansible:latest
       MOLECULE_SCENARIO: highavailability

README.md

@@ -113,7 +113,7 @@ Please note that this may potentially break setting up agents.
 Below are variables that are set against specific hosts in your inventory.
 
 | Variable                         | Description                                                              | Default Value                           |
-|-----------------------------|--------------------------------------------------------------------------|------------------------|
+|----------------------------------|--------------------------------------------------------------------------|-----------------------------------------|
 | `k3s_control_node`               | Define the host as a control plane node, (True/False).                   | `false`                                 |
 | `k3s_node_name`                  | Define the name of this node.                                            | `$(hostname)`                           |
 | `k3s_node_id`                    | Define the ID of this node.                                              | _NULL_                                  |
@@ -125,6 +125,9 @@ Below are variables that are set against specific hosts in your inventory.
 | `k3s_node_taints`                | List of node taints.                                                     | _NULL_                                  |
 | `k3s_node_data_dir`              | Folder to hold state.                                                    | `/var/lib/rancher/k3s`                  |
 | `k3s_tls_san`                    | Add additional hosname or IP as Subject Alternate Name in the TLS cert.  | _NULL_                                  |
+| `k3s_server_manifests_dir`       | Path for place the `k3s_server_manifests_templates`.                     | `/var/lib/rancher/k3s/server/manifests` |
+| `k3s_server_manifests_templates` | A list of Auto-Deploying Manifests Templates.                            | []                                      |
+
 
 #### Important note about `k3s_control_node` and High Availability (HA)
 

defaults/main.yml

@@ -14,6 +14,13 @@ k3s_github_url: https://github.com/rancher/k3s
 # Installation directory for k3s
 k3s_install_dir: /usr/local/bin
 
+# Path for additional Kubernetes Manifests
+# https://rancher.com/docs/k3s/latest/en/advanced/#auto-deploying-manifests
+k3s_server_manifests_dir: /var/lib/rancher/k3s/server/manifests
+
+# A list of templates used for preconfigure the cluster.
+k3s_server_manifests_templates: []
+
 # Use experimental features in k3s?
 k3s_use_experimental: false
 

molecule/default/playbook-auto-deploying-manifests.yml

@@ -0,0 +1,10 @@
+---
+- name: Converge
+  hosts: all
+  become: true
+  vars:
+    molecule_is_test: true
+    k3s_server_manifests_templates:
+      - "molecule/default/templates/00-ns-monitoring.yml.j2"
+  roles:
+    - role: xanmanning.k3s

molecule/default/templates/00-ns-monitoring.yml.j2

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: monitoring

tasks/build/preconfigure-k3s-auto-deploying-manifests.yml

@@ -0,0 +1,14 @@
+---
+
+- name: Ensure that the manifests directory exists, if required
+  file:
+    state: directory
+    path: "{{ k3s_server_manifests_dir }}"
+  when: k3s_server_manifests_templates | length > 0
+
+# https://rancher.com/docs/k3s/latest/en/advanced/#auto-deploying-manifests
+- name: Copy Auto-Deploying Manifests to Cluster
+  template:
+    src: "{{ item }}"
+    dest: "{{ k3s_server_manifests_dir }}/{{ item | basename | replace('.j2','') }}"
+  loop: "{{ k3s_server_manifests_templates }}"

tasks/state-installed.yml

@@ -28,6 +28,8 @@
 
 - import_tasks: build/download-k3s.yml
 
+- import_tasks: build/preconfigure-k3s-auto-deploying-manifests.yml
+
 - import_tasks: build/install-k3s.yml
 
 - import_tasks: build/configure-k3s-cluster.yml