Feature/kubeblocks (#65)

* prepare.sh

* test-environment

* cluster_admin gets kube config

* kubeblocks

* roles

README.md

@@ -24,7 +24,7 @@ Run the included setup scripts to install Ansible in a python virtualenv, and in
 
 ```bash
 source ansible.sh
-./galaxy.sh
+./prepare.sh
 ```
 ### 3. Configure Inventory
 
@@ -43,9 +43,11 @@ Edit the `inventory/yourcluster/group_vars/all/vars.yml` to select features in y
 
 For detailed information, refer to KUBESPRAY.md or [https://kubespray.io/#/](https://kubespray.io/#/).
 
+Run the host-initialization.yml playbook to prep the machines.
+
 ### 4. Manage the Cluster
 
-Run the cluster playbook to deploy the cluster:
+Run the cluster.yml playbook to deploy the cluster:
 
 ```bash
 ./cluster.yml -i inventory/mycluster/hosts --become -K
@@ -59,11 +61,13 @@ Run the reset playbook to delete the cluster:
 
 ### Post-Deployment
 
-After deployment, verify the cluster status:
-NOTE: `~/.kube/config` is copied to all hosts for convenience. Run the cluster.yml playbook with `--skip-tags kube_config` to avoid that.
+After deployment, run the kube-config.yml playbook.
+NOTE: `~/.kube/config` is copied to the user running that playbook, and the `cluster_admin`, if defined, else to the `root` user too.
 
+Use `k9s` as tool to work with the cluster.
 ```bash
-kubectl get nodes
+# Start K9s in readonly mode - with all modification commands disabled
+k9s --readonly
 ```
 
 ### Troubleshooting

ansible.cfg

@@ -20,7 +20,7 @@ roles_path = roles
 
 ; dev and test are available for Vagrant by setting the STAGE environment variable.
 ; set inventory here, or on the command-line when running Ansible.
-inventory = inventory/dev/hosts
+inventory = inventory/test/hosts
 
 # Disabled json fact caching for Semaphore
 # https://github.com/ansible/ansible/issues/68425

kube-config.yml

@@ -0,0 +1,67 @@
+#!/usr/bin/env ansible-playbook
+---
+
+- name: Kube config on controller
+  hosts: kube_control_plane
+  tags: [kube_config]
+  gather_facts: true
+  tasks:
+    - name: Gather facts
+      become: false
+      ansible.builtin.setup:
+        gather_subset: platform
+
+    - name: Set local user
+      become: false
+      ansible.builtin.set_fact:
+        local_user: "{{ lookup('env', 'USER') }}"
+
+    - name: Create local config dirs
+      delegate_to: localhost
+      become: true
+      ansible.builtin.file:
+        path: "~{{ local_user }}/.kube"
+        owner: "{{ local_user }}"
+        state: directory
+        mode: '0700'
+
+    - name: Fetch kube config from master
+      when: inventory_hostname in groups['kube_control_plane']
+      become: true
+      ansible.builtin.fetch:
+        src: /etc/kubernetes/admin.conf
+        dest: "~{{ local_user }}/.kube/config"
+        owner: "{{ local_user }}"
+        mode: '0600'
+        flat: true
+
+    - name: Configure k8s master
+      delegate_to: localhost
+      become: true
+      ansible.builtin.lineinfile:
+        path: "~{{ local_user }}/.kube/config"
+        regexp: '    server.*6443$'
+        line: "    server: https://{{ groups['kube_control_plane'][0] }}:6443"
+        state: present
+        mode: '0600'
+
+    - name: Create local config dirs
+      delegate_to: localhost
+      become: true
+      ansible.builtin.file:
+        path: "~{{ cluster_admin | default('root') }}/.kube"
+        owner: "{{ cluster_admin | default('root') }}"
+        group: "{{ cluster_admin | default('root') }}"
+        state: directory
+        mode: '0700'
+
+    - name: Copy kube config to cluster
+      delegate_to: localhost
+      become: true
+      ansible.builtin.copy:
+        remote_src: true
+        src: "~{{ local_user }}/.kube/config"
+        dest: "~{{ cluster_admin | default('root') }}/.kube/"
+        owner: "{{ cluster_admin | default('root') }}"
+        group: "{{ cluster_admin | default('root') }}"
+        mode: '0600'

kubeblocks.yml

@@ -1,3 +1,4 @@
+#!/usr/bin/env ansible-playbook
 ---
 # ~/.kube/config should be valid
 - name: Manage KubeBlocks
@@ -8,14 +9,6 @@
       ansible.builtin.include_role:
         name: bbaassssiiee.kubeblocks
 
-    - name: Install KubeBlocks add-ons
-      when:
-        - kubeblocks_add_ons|length >= 1
-      ansible.builtin.include_tasks: addons.yml
-      loop: "{{ kubeblocks_add_ons }}"
-
-    - name: Install KubeBlock clusters
-      when:
-        - kubeblocks_clusters|length >= 1
-      ansible.builtin.include_tasks: clusters.yml
-      loop: "{{ kubeblocks_clusters }}"
+    - name: Configure KubeBlocks
+      ansible.builtin.include_role:
+        name: clusterlust.kubeblocks

galaxy.sh → prepare.sh

@@ -1,2 +1,3 @@
 #!/bin/bash
+ansible-galaxy install -r roles/requirements.yml
 ansible-galaxy collection install -r collections/requirements.yml

roles/clusterlust.kubeblocks/tasks/main.yml

@@ -0,0 +1,12 @@
+---
+- name: Install KubeBlocks add-ons
+  when:
+    - kubeblocks_add_ons|length >= 1
+  ansible.builtin.include_tasks: addons.yml
+  loop: "{{ kubeblocks_add_ons }}"
+
+- name: Install KubeBlock clusters
+  when:
+    - kubeblocks_clusters|length >= 1
+  ansible.builtin.include_tasks: clusters.yml
+  loop: "{{ kubeblocks_clusters }}"