From 1d51266e6be7933723278b57e5390fe8b1a749d0 Mon Sep 17 00:00:00 2001
From: staffadmin <stephane.gratiasquiquandon@gmail.com>
Date: Sun, 1 Oct 2023 12:27:11 +0200
Subject: [PATCH] Bootstrap kubernetes cluster worker and master ok

---
 host_vars/ubuntu-worker.yml | 25 +++++++++++++++++++++++++
 host_vars/vagrant.yml       |  3 +++
 hosts                       | 21 ++++++++++++++-------
 kube.yml                    | 30 ++++++++++++++++++++++++++----
 4 files changed, 68 insertions(+), 11 deletions(-)
 create mode 100644 host_vars/ubuntu-worker.yml

diff --git a/host_vars/ubuntu-worker.yml b/host_vars/ubuntu-worker.yml
new file mode 100644
index 0000000..8b8f02f
--- /dev/null
+++ b/host_vars/ubuntu-worker.yml
@@ -0,0 +1,25 @@
+---
+kubernetes_version: 1.28
+kubernetes_role: node
+
+kubernetes_alias_bashrc:
+  - path: "/root/.bashrc"
+    regexp: "^source /usr/share/bash-completion/bash_completion"
+    state: present
+    line: "source /usr/share/bash-completion/bash_completion"
+  - path: "/root/.bashrc"
+    regexp: "^source /etc/bash_completion"
+    state: present
+    line: "source /etc/bash_completion"
+  - path: "/root/.bashrc"
+    regexp: "^source <(kubectl completion bash)"
+    state: present
+    line: "source <(kubectl completion bash)"
+  - path: "/root/.bashrc"
+    regexp: "^alias k=kubectl"
+    state: present
+    line: "alias k=kubectl"
+  - path: "/root/.bashrc"
+    regexp: "^complete -F __start_kubectl k"
+    state: present
+    line: "complete -F __start_kubectl k"
\ No newline at end of file
diff --git a/host_vars/vagrant.yml b/host_vars/vagrant.yml
index bc6a8fc..5ad95f4 100644
--- a/host_vars/vagrant.yml
+++ b/host_vars/vagrant.yml
@@ -57,6 +57,9 @@ kubernetes_git_repo: perso-infra
 
 kubernetes_git_url: github.com
 
+
+kubernetes_allow_pods_on_control_plane: false
+
 kubernetes_alias_bashrc:
   - path: "/root/.bashrc"
     regexp: "^source /usr/share/bash-completion/bash_completion"
diff --git a/hosts b/hosts
index 013d25a..ed0f23f 100644
--- a/hosts
+++ b/hosts
@@ -1,10 +1,10 @@
-[perso]
-ovh_fr ansible_host=37.187.127.90 ansible_user=stephane
-scaleway_fr ansible_host=163.172.84.28 ansible_user=stephane
+; [perso]
+; ovh_fr ansible_host=37.187.127.90 ansible_user=stephane
+; scaleway_fr ansible_host=163.172.84.28 ansible_user=stephane
 
-# TO KNOW WHOIS CHISEL SERVER
-[server]
-scaleway_fr ansible_host=163.172.84.28 ansible_user=stephane
+; # TO KNOW WHOIS CHISEL SERVER
+; [server]
+; scaleway_fr ansible_host=163.172.84.28 ansible_user=stephane
 
 ; [ovh]
 ; ovh_fr ansible_host=37.187.127.90 ansible_user=stephane
@@ -13,4 +13,11 @@ scaleway_fr ansible_host=163.172.84.28 ansible_user=stephane
 ; scaleway_fr ansible_host=163.172.84.28 ansible_user=stephane
 
 [local]
-vagrant ansible_host=192.168.33.10 ansible_user=vagrant ansible_password=vagrant
\ No newline at end of file
+vagrant ansible_host=192.168.33.10 ansible_user=vagrant ansible_password=vagrant
+ubuntu-worker ansible_host=192.168.33.11 ansible_user=vagrant ansible_password=vagrant
+
+[workers]
+ubuntu-worker ansible_host=192.168.33.11 ansible_user=vagrant ansible_password=vagrant
+
+
+#kubectl label node ubuntu-worker node-role.kubernetes.io/worker ubuntu-worker
\ No newline at end of file
diff --git a/kube.yml b/kube.yml
index 50ef72d..c90ec75 100644
--- a/kube.yml
+++ b/kube.yml
@@ -7,6 +7,8 @@
 # # @author Stéphane Gratias (2023).
 # #
 
+# Use hostname node and control_plane to join the kubernetes cluster 
+
   pre_tasks:
 
     - name: >-
@@ -25,8 +27,16 @@
         - overlay
         - br_netfilter
       tags: 
-        - always
+        - kubernetes
 
+    - name: Set ipv4 forwarding on kubernetes node only
+      ansible.posix.sysctl:
+        name: net.ipv4.ip_forward
+        value: '1'
+        sysctl_set: true
+      when: kubernetes_role == 'node'
+      tags: 
+        - kubernetes
 
   roles:
     - { role: geerlingguy.containerd, tags: [kubernetes, containerd] }
@@ -34,6 +44,17 @@
 
   tasks:
 
+# labeled worker
+    - name: Labeled workers from master
+      command: "kubectl label node {{ item }} node-role.kubernetes.io/worker={{ item }}"
+      loop: "{{ groups['workers'] }}"
+      when:
+        - kubernetes_role == 'control_plane'
+        - groups['workers'] is defined
+      tags: 
+        - kubernetes
+        - alias
+
     - name: Add kubectl alias and completion
       ansible.builtin.lineinfile:
         path: "{{ item.path }}"
@@ -55,10 +76,11 @@
       with_items:
         - "{{ kubernetes_tree_base_dir | last }}"
         - "{{ kubernetes_tree_base_dir | last }}/{{ kubernetes_service }}"
-      tags: 
-        - kubernetes
+      tags:
         - git
 
+#kubectl label node <node name> node-role.kubernetes.io/<role name>=<key
+
     # - name: Allow pods on control plane (if configured).
     #   command: "kubectl taint nodes --all node-role.kubernetes.io/control-plane-"
     #   when:
@@ -85,7 +107,7 @@
       tags: 
         - test
 
-    - name: Apply metrics-server manifest to the cluster.
+    - name: Apply argocd manifest to the cluster.
       kubernetes.core.k8s:
         state: present
         namespace: argocd