# ansible-roles **Repository Path**: olinux/ansible-roles ## Basic Information - **Project Name**: ansible-roles - **Description**: 存放已优化过后的ansible-roles 可直接使用 - **Primary Language**: Unknown - **License**: MIT - **Default Branch**: master - **Homepage**: None - **GVP Project**: No ## Statistics - **Stars**: 0 - **Forks**: 1 - **Created**: 2022-01-25 - **Last Updated**: 2022-05-31 ## Categories & Tags **Categories**: Uncategorized **Tags**: None ## README # **Ansible roles 怎么用？** ![GitHub](https://img.shields.io/github/license/lework/Ansible-roles) # 系统环境 os: `Centos 6.7 X64` python: `2.6.6` # 安装ansible和git ```bash [root@node ~]# yum install -y ansible git [root@node ~]# ansible --version ansible 2.2.1.0 config file = /etc/ansible/ansible.cfg configured module search path = Default w/o overrides ``` ## 设置ansible 关闭主机ssh known_hosts检查 配置文件：/etc/ansible/ansible.cfg ```vim 59 host_key_checking = False ``` ## 使用git 克隆ansible role ```bash [root@node roles]# git clone https://github.com/lework/Ansible-roles.git /etc/ansible/roles/ Initialized empty Git repository in /etc/ansible/roles/.git/ remote: Counting objects: 165, done. remote: Compressing objects: 100% (95/95), done. remote: Total 165 (delta 37), reused 152 (delta 24), pack-reused 0 Receiving objects: 100% (165/165), 26.01 KiB | 19 KiB/s, done. Resolving deltas: 100% (37/37), done. [root@node roles]# ll /etc/ansible/roles/ 总用量 36 drwxr-xr-x 5 root root 4096 3月 11 11:54 iptables drwxr-xr-x 5 root root 4096 3月 11 11:54 java drwxr-xr-x 4 root root 4096 3月 11 11:54 mvn drwxr-xr-x 5 root root 4096 3月 11 11:54 nodejs drwxr-xr-x 5 root root 4096 3月 11 11:54 os-init drwxr-xr-x 5 root root 4096 3月 11 11:54 python2.7 drwxr-xr-x 4 root root 4096 3月 11 11:54 repo-epel drwxr-xr-x 4 root root 4096 3月 11 11:54 ruby drwxr-xr-x 5 root root 4096 3月 11 11:54 supervisor [root@node roles]# ``` ## 添加主机清单 这里以192.168.77.130主机为例，并将其设为node2组内。 ``` #/etc/ansible/hosts [node2] 192.168.77.130 ansible_ssh_pass=123456 ``` ## 查看role的README.md文档 ``` # Ansible Role: python2.7 Centos 6.7版本中的python2.6升级到2.7 ## 要求 此角色仅在RHEL及其衍生产品上运行。 ## 测试环境 ansible `2.2.1.0` os `Centos 6.7 X64` ## 角色变量 software_files_path: "/opt/software/" software_install_path: "/usr/local" python_version: "2.7.13" python_file: "Python-{{ python_version }}.tgz" python_file_path: "{{ software_files_path }}/{{ python_file }}" python_file_url: "http://www.python.org/ftp/python/{{ python_version }}/Python-{{ python_version }}.tgz" pip_source_url: "https://pypi.tuna.tsinghua.edu.cn/simple" change_pip_source: true ## 依赖 没有 ## github地址 https://github.com/lework/Ansible-roles/tree/master/python2.7 ## Example Playbook - hosts: servers roles: - python2.7 - hosts: server roles: - { role: python2.7, python_version: "2.7.13"} ``` - 上诉说明了此role在哪个环境下正常运行，其他环境暂不保证运行成功。 - 可以自定义角色变量，达到自己想要的结果。比如想要安装python2.7.12的版本，可以在playbook中定义`python_version: "2.7.12"`,就可以安装2.7.12版本的python了。 - 如果文章中有依赖，必须先安装依赖，才能运行此role。 - 在编写Playbook时也可以参考上列的Playbook例子。 ## 编写playbook 这里以python2.7角色为例，将为node2组内的所有主机安装python2.7服务。 查看[Ansible Role系统环境 之【python2.7】](http://www.jianshu.com/p/2b38b943a177) 使用帮助，根据自身情况设置相应的变量，这里设置python的版本为2.7.14。 文件路径：/etc/ansible/roles/python2.7.yml ```yml --- - hosts: node2 roles: - { role: python2.7, python_version: "2.7.14"} ``` ## 执行playbook ```bash [root@node ansible]# ansible-playbook python2.7.yml PLAY [node2] ******************************************************************* TASK [setup] ******************************************************************* ok: [192.168.77.130] TASK [python2.7 : Copy python file to agent.] ********************************** ok: [192.168.77.130] TASK [python2.7 : Create software files .] ************************************* ok: [192.168.77.130] TASK [python2.7 : Download python file.] *************************************** changed: [192.168.77.130] TASK [python2.7 : Check if python remote soft link is already configured.] ***** ok: [192.168.77.130] TASK [python2.7 : Check if python remote soft old link is already configured.] * ok: [192.168.77.130] TASK [python2.7 : Ensure packages are installed.] ****************************** ok: [192.168.77.130] => (item=[u'zlib', u'zlib-devel', u'openssl', u'openssl-devel', u'python-devel', u'gcc']) TASK [python2.7 : Copy python file to agent.] ********************************** changed: [192.168.77.130] TASK [python2.7 : Build python.] *********************************************** changed: [192.168.77.130] TASK [python2.7 : Move python old version and Create python dir soft link.] **** changed: [192.168.77.130] TASK [python2.7 : Replace file python env path.] ******************************* changed: [192.168.77.130] => (item=/usr/sbin/iotop) changed: [192.168.77.130] => (item=/usr/bin/yum) TASK [python2.7 : Check if pip is already configured.] ************************* ok: [192.168.77.130] TASK [python2.7 : Install python2.7 pip.] ************************************** changed: [192.168.77.130] [WARNING]: Consider using get_url or uri module rather than running curl TASK [python2.7 : Create pip config dir.] ************************************** changed: [192.168.77.130] TASK [python2.7 : Change pip source.] ****************************************** changed: [192.168.77.130] PLAY RECAP ********************************************************************* 192.168.77.130 : ok=15 changed=8 unreachable=0 failed=0 ``` ## 查看主机是否安装了python2.7版本 使用ad-hoc方式查看 ```bash [root@node ansible]# ansible node2 -m shell -a 'python -V' 192.168.77.130 | SUCCESS | rc=0 >> Python 2.7.12 ``` 在主机上查看 ```bash [root@node2 ~]# python -V Python 2.7.12 ``` 至此，ansible role怎么使用大家都明白了把。如果有疑问的话，欢迎大家来QQ群【425931784 已满员】【756527917】交流