新增两个节点

inventory/hosts

@@ -2,15 +2,16 @@
 # 如果部署单Master，只保留一个Master节点
 # 默认Naster节点也部署Node组件
 192.168.31.81 node_name=k8s-master-01
-192.168.31.80 node_name=k8s-master-02
+#192.168.31.80 node_name=k8s-master-02
 
 [node]
 192.168.31.82 node_name=k8s-node-01
 192.168.31.83 node_name=k8s-node-02
 192.168.31.84 node_name=k8s-node-03
+192.168.31.85 node_name=k8s-node-04
 
 [etcd]
-192.168.31.80 etcd_name=etcd-2
+#192.168.31.80 etcd_name=etcd-2
 192.168.31.81 etcd_name=etcd-1
 192.168.31.82 etcd_name=etcd-3
 192.168.31.83 etcd_name=etcd-4
@@ -19,11 +20,18 @@
 [lb]
 # 如果部署单Master，该项忽略
 192.168.31.81 lb_name=lb-master
-192.168.31.80 lb_name=lb-backup
+#192.168.31.80 lb_name=lb-backup
 
+[k8s]
 [k8s:children]
 master
 node
+newnode
+
+[off] # 下线机器
+k8s-master-02
 
 [newnode]
-192.168.31.85 node_name=k8s-node-04
+#192.168.31.85 node_name=k8s-node-04
+192.168.31.86 node_name=k8s-node-05
+192.168.31.87 node_name=k8s-node-06

playbooks/add-node.yml

@@ -1,16 +1,25 @@
 ---
+- name: -1.给所有节点添加新节点hosts
+  hosts: k8s
+  tasks:
+  - lineinfile:
+      path: /etc/hosts
+      line: "{{ hostvars[item].inventory_hostname }} {{ hostvars[item].node_name }}"
+    with_items:
+      - "{{ groups['k8s'] }}"
+
 - name: 0.系统初始化
   gather_facts: true
-  hosts: newnode 
+  hosts: newnode
   roles:
     - common
-  tags: common 
+  tags: common
 
 - name: 1.部署Docker
   gather_facts: false
   hosts: newnode
   roles:
-    - docker 
+    - docker
   tags: docker
 
 - name: 2.部署K8S Node