cat /etc/hosts

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

10.0.0.50  ansible-master

10.0.0.51  ansible-node1

10.0.0.52  ansible-node2

10.0.0.53  ansible-node3

ssh-keygen -t rsa -P ""

ssh-copy-id -i ~/.ssh/id_rsa.pub root@ansible-node1

ssh-copy-id -i ~/.ssh/id_rsa.pub root@ansible-node2

ssh-copy-id -i ~/.ssh/id_rsa.pub root@ansible-node3

cat /etc/ansible/hosts

[lb]

ansible-node1

[tcsrvs]

ansible-node2

ansible-node3

# 创建角色目录

mkdir -pv /etc/ansible/roles/{nginx,tomcat}/{files,templetes,tasks,vars,handlers,meta,default}

# 配置文件

cat /etc/ansible/roles/nginx/tasks/main.yml

- name: install nginx

  yum: name=nginx state=latest

  when: ansible_os_family == "RedHat"

- name: install conf

  copy: src=lb.conf dest=/etc/nginx/conf.d/

  tags: conf

  notify: restart nginx

- name: start nginx

  service: name=nginx state=started enabled=true

cat /etc/ansible/roles/nginx/handlers/main.yml

- name: restart nginx

  service: name=nginx state=restarted

cat /etc/ansible/roles/nginx/files/lb.conf

upstream tcsrvs {

        server ansible-node2:8080;

        server ansible-node3:8080;

}

server {

        listen 80;

        server_name www.ilinux.net;

        location / {

                proxy_pass http://tcsrvs;

        }

}

cat /etc/ansible/playbooks/nginx-tomcat.yml

- hosts: lb

  remote_user: root

  roles:

  - nginx

- hosts: tcsrvs

  remote_user: root

  roles:

  - {role: jdk,version: 1.8.0}

  - tomcat

ansible-playbook -C nginx.yaml

cat /etc/ansible/roles/tomcat/tasks/main.yml

- name: install package

  yum: name={{ item }} state=latest

  with_item:

  - tomcat

  - tomcat-admin-webapps

  - tomcat-webapps

  - tomcat-docs-webapp

  when: ansible_os_family == "RedHat"

- name: start tomcat

  service: name=tomcat state=started enabled=true

# 安装jdk

mkdir -pv /etc/ansible/roles/jdk/{files,templetes,tasks,vars,handlers,meta,default}

# 系统安装的openjdk不用手动提供java家目录

cat /etc/ansible/roles/jdk/tasks/main.yml

- name: install openjdk

  yum: name=java-{{ version }}-openjdk-devel state=latest

- name: create env file

  copy: src=java.sh dest=/etc/profile.d/

cat files/java.sh

export JAVA_HOME=/usr