🚧 Ansible

Author: judasn

markdown-file/Ansible-Install-And-Settings.md

@@ -168,6 +168,55 @@ PLAY RECAP *********************************************************************
 
 ## 更多 playbook 实战
 
+
+#### 禁用防火墙（CentOS 7.x）
+
+
+- 创建脚本文件：`vim /opt/disable-firewalld-playbook.yml`
+
+```
+- hosts: all
+  remote_user: root
+  tasks:
+    - name: Disable SELinux at next reboot
+      selinux:
+        state: disabled
+    - name: disable firewalld
+      command: "{{ item }}"
+      with_items:
+         - systemctl stop firewalld
+         - systemctl disable firewalld
+         - setenforce 0
+```
+
+
+- 执行命令：`ansible-playbook /opt/disable-firewalld-playbook.yml`
+
+#### 修改 hosts
+
+
+- 创建脚本文件：`vim /opt/hosts-playbook.yml`
+
+```
+- hosts: all
+  remote_user: root
+  tasks:
+    - name: update hosts
+      blockinfile: 
+        path: /etc/hosts
+        block: |
+          192.168.0.223     linux01
+          192.168.0.223     linux02
+          192.168.0.223     linux03
+          192.168.0.223     linux04
+          192.168.0.223     linux05
+```
+
+
+- 执行命令：`ansible-playbook /opt/hosts-playbook.yml`
+
+
+
 #### 部署 JDK 
 
 - 创建脚本文件：`vim /opt/jdk8-playbook.yml`
@@ -184,7 +233,7 @@ PLAY RECAP *********************************************************************
     - name: tar jdk
       shell: chdir={{ java_install_folder }} tar zxf jdk-8u181-linux-x64.tar.gz
       
-    - name: Set JAVA_HOME
+    - name: set JAVA_HOME
       blockinfile: 
         path: /etc/profile
         marker: "#{mark} JDK ENV"
@@ -206,28 +255,62 @@ PLAY RECAP *********************************************************************
 - 执行命令：`ansible-playbook /opt/jdk8-playbook.yml`
 
 
-#### 修改 hosts
 
+#### 部署 Hadoop 集群 
 
-- 创建脚本文件：`vim /opt/hosts-playbook.yml`
+- 创建脚本文件：`vim /opt/hadoop-playbook.yml`
 
 ```
-- hosts: all
+- hosts: hadoop-host
   remote_user: root
   tasks:
-    - name: update hosts
+    - name: Creates directory
+      file:
+        path: /data/hadoop/hdfs/name
+        state: directory
+    - name: Creates directory
+      file:
+        path: /data/hadoop/hdfs/data
+        state: directory
+    - name: Creates directory
+      file:
+        path: /data/hadoop/hdfs/tmp
+        state: directory
+
+    - name: copy gz file
+      copy: src=/opt/hadoop-2.6.5.tar.gz dest=/usr/local
+      
+    - name: tar gz file
+      command: cd /usr/local && tar zxf hadoop-2.6.5.tar.gz
+      
+    - name: check folder existed
+      stat: path=/usr/local/hadoop-2.6.5
+      register: folder_existed
+    
+    - name: rename folder
+      command: mv /usr/local/hadoop-2.6.5 /usr/local/hadoop
+      when: folder_existed.stat.exists == true
+      
+    - name: set HADOOP_HOME
       blockinfile: 
-        path: /etc/hosts
+        path: /etc/profile
+        marker: "#{mark} HADOOP ENV"
         block: |
-          192.168.0.223     linux01
-          192.168.0.223     linux02
-          192.168.0.223     linux03
-          192.168.0.223     linux04
-          192.168.0.223     linux05
+          HADOOP_HOME=/usr/local/hadoop
+          PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin
+          export HADOOP_HOME
+          export PATH
+    
+    - name: source profile
+      shell: source /etc/profile
 ```
 
 
-- 执行命令：`ansible-playbook /opt/hosts-playbook.yml`
+- 执行命令：`ansible-playbook /opt/jdk8-playbook.yml`
+
+
+
+
 
 -------------------------------------------------------------------
 

markdown-file/Wormhole-Install-And-Settings.md

@@ -37,6 +37,7 @@
     - Ansible 批量添加 hosts 请看：[点击我](Ansible-Install-And-Settings.md)
 - 必须（版本请不要随便用，而是按照如下说明来）：
     - 一般情况下，我组件都是放在：`/usr/local`
+    - 批量部署用的是：Ansible（linux01）
     - JDK（所有服务器）：`1.8.0_181`
         - 批量添加 JDK 请看：[点击我](Ansible-Install-And-Settings.md)
     - Hadoop 集群（HDFS，YARN）（linux01、linux02、linux03）：`2.6.5`