Update roles/kube-node/tasks/main.yml

roles/kube-master/tasks/main.yml

@@ -22,7 +22,7 @@
   replace:
     path: /tmp/kube-flannel.yml
     regexp: '10\.244\.0\.0/16'
-    replace: '192.168.2.0/16' # .3.
+    replace: '192.168.2.0/24' # .3.
 
 - name: Corrigir net-conf.json no manifest do Flannel
   become: true
@@ -55,7 +55,7 @@
     argv:
       - kubeadm
       - init
-      - --pod-network-cidr=192.168.2.0/16 # .3. 
+      - --pod-network-cidr=192.168.2.0/24 # .3. 
       - --apiserver-advertise-address=192.168.1.150
     creates: /etc/kubernetes/admin.conf 
 

roles/kube-master/tasks/patch_netconf.py

@@ -10,7 +10,7 @@ with open("/tmp/kube-flannel.yml", "r") as f:
 for doc in docs:
     if doc.get("kind") == "ConfigMap" and doc.get("metadata", {}).get("name") == "kube-flannel-cfg":
         doc["data"]["net-conf.json"] = '''{
-  "Network": "192.168.2.0/16",
+  "Network": "192.168.2.0/24",
   "Backend": {
     "Type": "vxlan"
   },

roles/kube-node/tasks/main.yml

@@ -2,6 +2,30 @@
   hostname:
     name: "ubuntu-{{ ansible_play_hosts.index(inventory_hostname) }}"
 
+
+- name: Obter hostname real do nó
+  become: true
+  command: hostname
+  register: node_hostname
+
+- name: Verificar se o nó já está no cluster
+  shell: |
+    kubectl get nodes --no-headers | grep -w {{ node_hostname.stdout }} || echo "NOT_IN_CLUSTER"
+  register: node_status
+  environment:
+    KUBECONFIG: /etc/kubernetes/kubelet.conf
+
+
 - name: Join Kubernetes cluster
   shell: "{{ hostvars['master1']['kubeadm_join_command'] }}"
-  when: hostvars['master1']['kubeadm_join_command'] is defined
+  when: 
+    - hostvars['master1']['kubeadm_join_command'] is defined
+    - node_status.stdout | trim == "NOT_IN_CLUSTER"
+
+
+- name: Atribuir podCIDR ao nó via hostname real
+  shell: |
+    kubectl patch node {{ node_hostname.stdout }} -p '{"spec":{"podCIDR":"192.168.2.0/24"}}'
+  when: 
+    - hostvars['master1']['kubeadm_join_command'] is defined
+    - node_status.stdout | trim == "NOT_IN_CLUSTER"

roles/kubernetes/tasks/main.yml

@@ -40,7 +40,7 @@
 
 - name: Gerar config.toml padrão do containerd
   become: true
-  command: containerd config default > /etc/containerd/config.toml
+  shell: containerd config default > /etc/containerd/config.toml
   args:
     creates: /etc/containerd/config.toml