{"id":1172,"date":"2023-07-04T23:27:35","date_gmt":"2023-07-04T15:27:35","guid":{"rendered":"https:\/\/www.qiangzhenshuai.com\/?p=1172"},"modified":"2023-08-17T16:14:19","modified_gmt":"2023-08-17T08:14:19","slug":"ansible-playbook","status":"publish","type":"post","link":"https:\/\/www.qiangzhenshuai.com\/?p=1172","title":{"rendered":"Ansible Playbook"},"content":{"rendered":"

1.Ansible Playbook\u57fa\u672c\u6982\u8ff0<\/h1>\n

ansible\u6709\u4e24\u79cd\u6267\u884c\u6a21\u5f0f\uff0c\u4e00\u79cd\u662f\u7528\u5b8c\u5373\u6254\u7684ad-hoc\u6a21\u5f0f\uff0c\u53e6\u4e00\u79cd\u662f\u7c7b\u4f3c\u4e8eshell \u811a\u672c\u7684playbook\u6a21\u5f0f\uff0c\u8fd9\u91cc\u6211\u4eec\u4ecb\u7ecd\u7b2c\u4e8c\u79cd\u3002<\/p>\n

playbook \u5267\u672c\u662f\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u201cplay\u201d\u7ec4\u6210\u7684\u5217\u8868
\nplay\u7684\u4e3b\u8981\u529f\u80fd\u5728\u4e8e\u5c06\u9884\u5b9a\u4e49\u7684\u4e00\u7ec4\u4e3b\u673a\uff0c\u88c5\u626e\u6210\u4e8b\u5148\u901a\u8fc7ansible\u4e2d\u7684task\u5b9a\u4e49\u597d\u7684\u89d2\u8272\u3002<\/p>\n

Task\u5b9e\u9645\u662f\u8c03\u7528ansible\u7684\u4e00\u4e2amodule\uff0c\u5c06\u591a\u4e2aplay\u7ec4\u7ec7\u5728\u4e00\u4e2aplaybook\u4e2d\uff0c\u5373\u53ef\u4ee5\u8ba9\u5b83\u4eec\u8054\u5408\u8d77\u6765\uff0c\u6309\u4e8b\u5148\u7f16\u6392\u7684\u673a\u5236\u6267\u884c\u9884\u5b9a\u4e49\u7684\u52a8\u4f5c<\/p>\n

2.Ansible Playbook\u5982\u4f55\u5de5\u4f5c<\/h1>\n

Ansible \u6a21\u5757\u6267\u884c\u4efb\u52a1\u3002\u53ef\u4ee5\u7ec4\u5408\u4e00\u4e2a\u6216\u591a\u4e2a Ansible \u4efb\u52a1\u6765\u8fdb\u884c\u3002\u53ef\u4ee5\u7ec4\u5408\u4e24\u4e2a\u6216\u591a\u4e2a\u5267\u672c\u6765\u521b\u5efa Ansible Playbook\u3002Ansible Playbook \u662f\u9488\u5bf9\u4e3b\u673a\u81ea\u52a8\u6267\u884c\u7684\u4efb\u52a1\u5217\u8868\u3002\u4e3b\u673a\u7ec4\u6784\u6210\u60a8\u7684 Ansible \u6e05\u5355\u3002<\/p>\n

Ansible Playbook \u4e2d\u7684\u6bcf\u4e2a\u6a21\u5757\u90fd\u6267\u884c\u7279\u5b9a\u7684\u4efb\u52a1\u3002\u6bcf\u4e2a\u6a21\u5757\u90fd\u5305\u542b\u5143\u6570\u636e\uff0c\u8fd9\u4e9b\u5143\u6570\u636e\u786e\u5b9a\u6267\u884c\u4efb\u52a1\u7684\u65f6\u95f4\u548c\u5730\u70b9\uff0c\u4ee5\u53ca\u6267\u884c\u4efb\u52a1\u7684\u7528\u6237\u3002\u8fd8\u6709\u6570\u4ee5\u5343\u8ba1\u7684\u5176\u4ed6 Ansible \u6a21\u5757\u53ef\u4ee5\u6267\u884c\u5404\u79cd IT \u4efb\u52a1\u3002<\/p>\n

3.\u4ec0\u4e48\u662fyaml<\/h1>\n

Ansible Playbook\u662f\u4f7f\u7528YAML\u683c\u5f0f\u7f16\u5199\u7684\u81ea\u52a8\u5316\u4efb\u52a1\u63cf\u8ff0\u6587\u4ef6\u3002YAML\uff08YAML Ain’t Markup Language\uff09\u662f\u4e00\u79cd\u7b80\u6d01\u3001\u4eba\u7c7b\u53ef\u8bfb\u7684\u6570\u636e\u5e8f\u5217\u5316\u683c\u5f0f\uff0c\u975e\u5e38\u9002\u5408\u7528\u4e8e\u63cf\u8ff0\u6570\u636e\u7ed3\u6784\u548c\u914d\u7f6e\u4fe1\u606f\u3002<\/p>\n

\u5728Ansible\u4e2d\uff0cPlaybook\u662f\u7528\u4e8e\u5b9a\u4e49\u81ea\u52a8\u5316\u4efb\u52a1\u7684\u4e3b\u8981\u7ec4\u4ef6\u3002Playbook\u7531\u4e00\u7cfb\u5217\u4efb\u52a1\u7ec4\u6210\uff0c\u6bcf\u4e2a\u4efb\u52a1\u63cf\u8ff0\u4e86\u8981\u6267\u884c\u7684\u5177\u4f53\u64cd\u4f5c\u3002Playbook\u4f7f\u7528YAML\u683c\u5f0f\u6765\u5b9a\u4e49\u4efb\u52a1\u3001\u53d8\u91cf\u3001\u6761\u4ef6\u3001\u5faa\u73af\u3001\u9519\u8bef\u5904\u7406\u7b49\u5185\u5bb9\u3002<\/p>\n

\u4f7f\u7528YAML\u683c\u5f0f\u7f16\u5199Playbook\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/p>\n

\u6613\u4e8e\u9605\u8bfb\u548c\u7f16\u5199\uff1aYAML\u4f7f\u7528\u7f29\u8fdb\u548c\u7279\u5b9a\u7684\u7b26\u53f7\u6765\u8868\u793a\u5c42\u6b21\u7ed3\u6784\uff0c\u4f7f\u5f97Playbook\u7684\u7ed3\u6784\u6e05\u6670\u53ef\u89c1\u3002YAML\u7684\u7b80\u6d01\u8bed\u6cd5\u4f7f\u5f97Playbook\u6613\u4e8e\u9605\u8bfb\u548c\u7f16\u5199\uff0c\u53ef\u8bfb\u6027\u5f3a\u3002<\/p>\n

\u4eba\u7c7b\u53ef\u8bfb\u6027\uff1aYAML\u7684\u8bed\u6cd5\u89c4\u5219\u7b80\u5355\u660e\u4e86\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u6d01\u3001\u76f4\u89c2\u7684\u65b9\u5f0f\u6765\u63cf\u8ff0\u6570\u636e\u7ed3\u6784\u3002\u8fd9\u4f7f\u5f97Playbook\u6587\u4ef6\u5bf9\u4eba\u7c7b\u6765\u8bf4\u66f4\u52a0\u53ef\u8bfb\u548c\u6613\u4e8e\u7406\u89e3\u3002<\/p>\n

\u9002\u5408\u7248\u672c\u63a7\u5236\uff1aYAML\u4f7f\u7528\u6587\u672c\u6587\u4ef6\u5b58\u50a8\uff0c\u6613\u4e8e\u4e0e\u7248\u672c\u63a7\u5236\u7cfb\u7edf\u96c6\u6210\u3002\u8fd9\u4f7f\u5f97Playbook\u6587\u4ef6\u53ef\u4ee5\u8f7b\u677e\u5730\u8fdb\u884c\u7248\u672c\u7ba1\u7406\u548c\u534f\u4f5c\u5f00\u53d1\u3002<\/p>\n

\u7075\u6d3b\u6027\uff1aYAML\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\u548c\u7ed3\u6784\uff0c\u53ef\u4ee5\u8868\u793a\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u548c\u914d\u7f6e\u4fe1\u606f\u3002\u8fd9\u4f7f\u5f97Playbook\u53ef\u4ee5\u7075\u6d3b\u5730\u5b9a\u4e49\u5404\u79cd\u4efb\u52a1\u548c\u64cd\u4f5c\u3002<\/p>\n

\u603b\u7684\u6765\u8bf4\uff0cAnsible Playbook\u4f7f\u7528YAML\u683c\u5f0f\u7f16\u5199\uff0c\u5229\u7528YAML\u7684\u7b80\u6d01\u3001\u4eba\u7c7b\u53ef\u8bfb\u7684\u7279\u6027\u6765\u63cf\u8ff0\u81ea\u52a8\u5316\u4efb\u52a1\u3002YAML\u7684\u6613\u8bfb\u6027\u548c\u7075\u6d3b\u6027\u4f7f\u5f97Playbook\u6587\u4ef6\u6613\u4e8e\u7f16\u5199\u3001\u7406\u89e3\u548c\u7ef4\u62a4<\/p>\n

Ansible Playbook\u662f\u4e00\u4e2a\u7528\u4e8e\u5b9a\u4e49\u81ea\u52a8\u5316\u4efb\u52a1\u7684YAML\u6587\u4ef6\u3002\u5b83\u5141\u8bb8\u60a8\u63cf\u8ff0\u4e00\u7cfb\u5217\u4efb\u52a1\uff0c\u4ee5\u53ca\u5728\u54ea\u4e9b\u4e3b\u673a\u4e0a\u6267\u884c\u8fd9\u4e9b\u4efb\u52a1\u3002\u4e0b\u9762\u662fAnsible Playbook YAML\u7684\u4e00\u4e9b\u91cd\u8981\u6982\u5ff5\u548c\u529f\u80fd\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff1a<\/p>\n

1. Playbook\u7ed3\u6784\uff1a\u00a0Ansible Playbook\u4f7f\u7528YAML\u683c\u5f0f\uff0c\u4ee5\u6811\u72b6\u7ed3\u6784\u7ec4\u7ec7\u4efb\u52a1\u548c\u914d\u7f6e\u3002\u4e00\u4e2aPlaybook\u53ef\u4ee5\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2aplay\uff0c\u6bcf\u4e2aplay\u53ef\u4ee5\u5305\u542b\u591a\u4e2atask\u3002<\/p>\n

2. Play\uff1a\u00a0Play\u662f\u4e00\u7ec4\u76f8\u5173\u7684\u4efb\u52a1\uff0c\u5b83\u4eec\u5728\u4e00\u7ec4\u4e3b\u673a\u4e0a\u6267\u884c\u3002\u6bcf\u4e2aplay\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u3001\u4e3b\u673a\u5217\u8868\u3001\u53d8\u91cf\u548c\u4efb\u52a1\u5217\u8868\u3002<\/p>\n

3. Task\uff1a\u00a0Task\u662f\u4e00\u4e2a\u8981\u5728\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u6267\u884c\u7684\u64cd\u4f5c\u5355\u5143\u3002\u6bcf\u4e2atask\u90fd\u6709\u4e00\u4e2a\u540d\u79f0\u3001\u6a21\u5757\u548c\u6a21\u5757\u53c2\u6570\u3002<\/p>\n

4. \u6a21\u5757\uff08Module\uff09\uff1a\u00a0\u6a21\u5757\u662fAnsible\u7684\u6838\u5fc3\u7ec4\u4ef6\uff0c\u5b83\u4eec\u63d0\u4f9b\u4e86\u5404\u79cd\u529f\u80fd\uff0c\u5982\u8f6f\u4ef6\u5305\u7ba1\u7406\u3001\u6587\u4ef6\u64cd\u4f5c\u3001\u670d\u52a1\u7ba1\u7406\u7b49\u3002\u60a8\u53ef\u4ee5\u5728Playbook\u4e2d\u4f7f\u7528\u6a21\u5757\u6765\u6267\u884c\u4efb\u52a1\u3002<\/p>\n

5. \u53d8\u91cf\uff08Variable\uff09\uff1a\u00a0\u53d8\u91cf\u662f\u5b58\u50a8\u6570\u636e\u7684\u5bb9\u5668\uff0c\u53ef\u4ee5\u5728Playbook\u4e2d\u4f7f\u7528\u3002\u60a8\u53ef\u4ee5\u5728Playbook\u4e2d\u5b9a\u4e49\u53d8\u91cf\uff0c\u5e76\u5728\u4efb\u52a1\u4e2d\u5f15\u7528\u5b83\u4eec\u3002\u53d8\u91cf\u53ef\u4ee5\u7528\u4e8e\u5b58\u50a8\u4e3b\u673a\u4fe1\u606f\u3001\u914d\u7f6e\u9009\u9879\u3001\u4efb\u52a1\u53c2\u6570\u7b49\u3002<\/p>\n

6. \u6761\u4ef6\u8bed\u53e5\uff08Conditional Statement\uff09\uff1a\u00a0\u6761\u4ef6\u8bed\u53e5\u5141\u8bb8\u60a8\u6839\u636e\u6761\u4ef6\u6765\u6267\u884c\u4e0d\u540c\u7684\u4efb\u52a1\u3002\u60a8\u53ef\u4ee5\u5728Playbook\u4e2d\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u6765\u6839\u636e\u7279\u5b9a\u7684\u6761\u4ef6\u6267\u884c\u4efb\u52a1\u3002<\/p>\n

7. \u5faa\u73af\uff08Loop\uff09\uff1a\u00a0\u5faa\u73af\u5141\u8bb8\u60a8\u5728Playbook\u4e2d\u8fed\u4ee3\u6267\u884c\u4efb\u52a1\u3002\u60a8\u53ef\u4ee5\u5728Playbook\u4e2d\u4f7f\u7528\u5faa\u73af\u6765\u91cd\u590d\u6267\u884c\u4efb\u52a1\uff0c\u6216\u904d\u5386\u5217\u8868\u3001\u5b57\u5178\u7b49\u6570\u636e\u7ed3\u6784\u3002<\/p>\n

8. \u6ce8\u518c\u53d8\u91cf\uff08Registered Variable\uff09\uff1a\u00a0\u6ce8\u518c\u53d8\u91cf\u5141\u8bb8\u60a8\u5c06\u4efb\u52a1\u7684\u8f93\u51fa\u5b58\u50a8\u5230\u53d8\u91cf\u4e2d\uff0c\u4ee5\u4fbf\u5728\u540e\u7eed\u4efb\u52a1\u4e2d\u4f7f\u7528\u3002\u60a8\u53ef\u4ee5\u5728\u4efb\u52a1\u4e2d\u4f7f\u7528register\u5173\u952e\u5b57\u6765\u6ce8\u518c\u53d8\u91cf\u3002<\/p>\n

9. \u6a21\u677f\uff08Template\uff09\uff1a\u00a0\u6a21\u677f\u5141\u8bb8\u60a8\u5728Playbook\u4e2d\u4f7f\u7528\u52a8\u6001\u751f\u6210\u7684\u6587\u4ef6\u3002\u6a21\u677f\u6587\u4ef6\u53ef\u4ee5\u5305\u542b\u53d8\u91cf\u548c\u8868\u8fbe\u5f0f\uff0cAnsible\u4f1a\u6839\u636e\u6a21\u677f\u6587\u4ef6\u751f\u6210\u6700\u7ec8\u7684\u6587\u4ef6\u3002<\/p>\n

10. \u9519\u8bef\u5904\u7406\uff08Error Handling\uff09\uff1a\u00a0Ansible Playbook\u63d0\u4f9b\u4e86\u4e00\u4e9b\u673a\u5236\u6765\u5904\u7406\u9519\u8bef\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528failed_when\u5173\u952e\u5b57\u6765\u5b9a\u4e49\u4efb\u52a1\u5931\u8d25\u7684\u6761\u4ef6\uff0c\u5e76\u4f7f\u7528ignore_errors\u5173\u952e\u5b57\u6765\u5ffd\u7565\u9519\u8bef\u3002<\/p>\n

11. \u5305\u542b\uff08Include\uff09\uff1a\u00a0\u60a8\u53ef\u4ee5\u5c06\u591a\u4e2aPlaybook\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u4ee5\u4fbf\u590d\u7528\u548c\u7ec4\u7ec7\u4efb\u52a1\u3002\u4f7f\u7528include\u5173\u952e\u5b57\u53ef\u4ee5\u5c06\u4e00\u4e2aPlaybook\u5305\u542b\u5230\u53e6\u4e00\u4e2aPlaybook\u4e2d\u3002<\/p>\n

\u4ee5\u4e0a\u662fAnsible Playbook YAML\u7684\u4e00\u4e9b\u91cd\u8981\u6982\u5ff5\u548c\u529f\u80fd\u3002Ansible Playbook\u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u5176\u4ed6\u529f\u80fd\uff0c\u5982\u5904\u7406\u6587\u4ef6\u3001\u5904\u7406\u6587\u672c\u3001\u4f7f\u7528\u5916\u90e8\u53d8\u91cf\u6587\u4ef6\u7b49<\/p>\n

yaml \u8bed\u8a00\u7684\u7279\u6027<\/h2>\n

Ansible Playbook\u4f7f\u7528YAML\u8bed\u8a00\u4f5c\u4e3a\u5176\u63cf\u8ff0\u6587\u4ef6\u7684\u683c\u5f0f\u3002\u4e0b\u9762\u662f\u4e00\u4e9bAnsible Playbook\u4e2d\u4f7f\u7528\u7684YAML\u8bed\u8a00\u7684\u7279\u6027\uff1a<\/p>\n

\u5c42\u6b21\u7ed3\u6784\uff1aYAML\u4f7f\u7528\u7f29\u8fdb\u6765\u8868\u793a\u5c42\u6b21\u7ed3\u6784\uff0c\u4f7f\u7528\u7a7a\u683c\u7f29\u8fdb\u6765\u8868\u793a\u5b50\u9879\u3002\u8fd9\u4f7f\u5f97Playbook\u7684\u7ed3\u6784\u6e05\u6670\u53ef\u89c1\uff0c\u6613\u4e8e\u9605\u8bfb\u548c\u7406\u89e3\u3002<\/p>\n

\u952e\u503c\u5bf9\uff1aYAML\u4f7f\u7528\u5192\u53f7\uff08:\uff09\u6765\u5206\u9694\u952e\u548c\u503c\u3002\u952e\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u503c\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\u3001\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5e03\u5c14\u503c\u3001null\u503c\u7b49\u3002<\/p>\n

\u5217\u8868\uff1aYAML\u4f7f\u7528\u77ed\u6a2a\u7ebf\uff08-\uff09\u6765\u8868\u793a\u5217\u8868\u9879\u3002\u53ef\u4ee5\u5728\u4e00\u4e2a\u952e\u4e0b\u5b9a\u4e49\u4e00\u4e2a\u5217\u8868\uff0c\u6bcf\u4e2a\u5217\u8868\u9879\u53ef\u4ee5\u662f\u4e00\u4e2a\u503c\u6216\u4e00\u4e2a\u5b57\u5178\u3002<\/p>\n

\u5b57\u5178\uff1aYAML\u4f7f\u7528\u5192\u53f7\uff08:\uff09\u6765\u8868\u793a\u5b57\u5178\u7684\u952e\u503c\u5bf9\u3002\u53ef\u4ee5\u5728\u4e00\u4e2a\u952e\u4e0b\u5b9a\u4e49\u4e00\u4e2a\u5b57\u5178\uff0c\u5b57\u5178\u7684\u952e\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\uff0c\u503c\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\u3001\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5e03\u5c14\u503c\u3001null\u503c\u7b49\u3002<\/p>\n

\u53d8\u91cf\uff1aYAML\u652f\u6301\u53d8\u91cf\u7684\u5b9a\u4e49\u548c\u5f15\u7528\u3002\u53ef\u4ee5\u5728Playbook\u4e2d\u5b9a\u4e49\u53d8\u91cf\uff0c\u5e76\u5728\u4efb\u52a1\u4e2d\u4f7f\u7528{{ \u53d8\u91cf\u540d }}\u6765\u5f15\u7528\u53d8\u91cf\u7684\u503c\u3002<\/p>\n

\u6761\u4ef6\u8bed\u53e5\uff1aYAML\u652f\u6301\u6761\u4ef6\u8bed\u53e5\uff0c\u53ef\u4ee5\u4f7f\u7528if\u3001elif\u548celse\u6765\u5b9a\u4e49\u6761\u4ef6\u5224\u65ad\u3002\u6761\u4ef6\u8bed\u53e5\u53ef\u4ee5\u6839\u636e\u53d8\u91cf\u7684\u503c\u6765\u6267\u884c\u4e0d\u540c\u7684\u4efb\u52a1\u3002<\/p>\n

\u5faa\u73af\uff1aYAML\u652f\u6301\u5faa\u73af\u8bed\u53e5\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6765\u91cd\u590d\u6267\u884c\u4efb\u52a1\u3002\u53ef\u4ee5\u4f7f\u7528with_items\u5173\u952e\u5b57\u6765\u5b9a\u4e49\u5faa\u73af\uff0c\u5e76\u5728\u4efb\u52a1\u4e2d\u4f7f\u7528{{ item }}\u6765\u5f15\u7528\u5faa\u73af\u53d8\u91cf\u7684\u503c\u3002<\/p>\n

\u6a21\u677f\uff1aYAML\u652f\u6301\u4f7f\u7528Jinja2\u6a21\u677f\u8bed\u8a00\u6765\u52a8\u6001\u751f\u6210\u6587\u4ef6\u5185\u5bb9\u3002\u53ef\u4ee5\u5728Playbook\u4e2d\u4f7f\u7528\u6a21\u677f\u6765\u6839\u636e\u53d8\u91cf\u7684\u503c\u6765\u751f\u6210\u4e0d\u540c\u7684\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n

\u9519\u8bef\u5904\u7406\uff1aYAML\u652f\u6301\u5b9a\u4e49\u4efb\u52a1\u6267\u884c\u65f6\u53d1\u751f\u9519\u8bef\u65f6\u7684\u5904\u7406\u65b9\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528ignore_errors\u5173\u952e\u5b57\u6765\u5ffd\u7565\u9519\u8bef\uff0c\u6216\u4f7f\u7528failed_when\u5173\u952e\u5b57\u6765\u5b9a\u4e49\u4efb\u52a1\u5931\u8d25\u7684\u6761\u4ef6\u3002<\/p>\n

\u8fd9\u4e9b\u662fAnsible Playbook\u4e2d\u4f7f\u7528\u7684\u4e00\u4e9b\u5e38\u89c1\u7684YAML\u8bed\u8a00\u7279\u6027\u3002\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u7279\u6027\uff0c\u53ef\u4ee5\u7f16\u5199\u51fa\u7075\u6d3b\u3001\u53ef\u8bfb\u6027\u5f3a\u7684\u81ea\u52a8\u5316\u4efb\u52a1\u63cf\u8ff0\u6587\u4ef6<\/p>\n

YAML\u7684\u53ef\u8bfb\u6027\u597d
\nYAML\u548c\u811a\u672c\u8bed\u8a00\u7684\u4ea4\u4e92\u6027\u597d
\nYAML\u4f7f\u7528\u5b9e\u73b0\u8bed\u8a00\u7684\u6570\u636e\u7c7b\u578b
\nYAML\u6709\u4e00\u4e2a\u4e00\u81f4\u7684\u4fe1\u606f\u6a21\u578b
\nYAML\u6613\u4e8e\u5b9e\u73b0
\nYAML\u53ef\u4ee5\u57fa\u4e8e\u6d41\u6765\u5904\u7406
\nYAML\u8868\u8fbe\u80fd\u529b\u5f3a\uff0c\u6269\u5c55\u6027\u597d<\/p>\n

4.Ansible Playbook\u4e0eAD-Hoc\u7684\u5173\u7cfb<\/h1>\n

Ansible Playbook\u548cAd-Hoc\u662fAnsible\u7684\u4e24\u79cd\u4e3b\u8981\u7528\u6cd5\uff0c\u5b83\u4eec\u4e4b\u95f4\u5b58\u5728\u4e00\u4e9b\u5173\u7cfb\u548c\u533a\u522b\u3002<\/p>\n

1. Ansible Playbook\uff1a\u00a0Ansible Playbook\u662f\u4e00\u79cd\u4f7f\u7528YAML\u8bed\u6cd5\u7f16\u5199\u7684\u81ea\u52a8\u5316\u4efb\u52a1\u63cf\u8ff0\u6587\u4ef6\u3002\u5b83\u5141\u8bb8\u60a8\u5b9a\u4e49\u590d\u6742\u7684\u4efb\u52a1\u6d41\u7a0b\u3001\u53d8\u91cf\u3001\u6761\u4ef6\u903b\u8f91\u3001\u5faa\u73af\u548c\u9519\u8bef\u5904\u7406\u7b49\u3002Playbook\u901a\u5e38\u7528\u4e8e\u6267\u884c\u957f\u671f\u3001\u590d\u6742\u7684\u81ea\u52a8\u5316\u4efb\u52a1\uff0c\u53ef\u4ee5\u5728\u591a\u4e2a\u4e3b\u673a\u4e0a\u6267\u884c\u591a\u4e2a\u4efb\u52a1\u3002<\/p>\n

2. Ad-Hoc\u547d\u4ee4\uff1a\u00a0Ad-Hoc\u547d\u4ee4\u662f\u4e00\u79cd\u5728\u547d\u4ee4\u884c\u4e0a\u76f4\u63a5\u6267\u884c\u7684\u5355\u4e2aAnsible\u4efb\u52a1\u3002\u5b83\u4f7f\u7528\u7b80\u5355\u7684\u547d\u4ee4\u884c\u8bed\u6cd5\uff0c\u4e0d\u9700\u8981\u7f16\u5199\u548c\u7ef4\u62a4Playbook\u6587\u4ef6\u3002Ad-Hoc\u547d\u4ee4\u901a\u5e38\u7528\u4e8e\u6267\u884c\u7b80\u5355\u548c\u4e34\u65f6\u7684\u4efb\u52a1\uff0c\u4f8b\u5982\u5feb\u901f\u68c0\u67e5\u4e3b\u673a\u72b6\u6001\u3001\u6267\u884c\u4e00\u6b21\u6027\u547d\u4ee4\u6216\u5728\u5c11\u6570\u4e3b\u673a\u4e0a\u6267\u884c\u4efb\u52a1\u3002<\/p>\n

\u5173\u7cfb\uff1a\u00a0Ansible Playbook\u548cAd-Hoc\u90fd\u662f\u4f7f\u7528Ansible\u8fdb\u884c\u81ea\u52a8\u5316\u7684\u4e0d\u540c\u65b9\u5f0f\u3002\u5b83\u4eec\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u5e95\u5c42\u673a\u5236\u548c\u6a21\u5757\u6765\u6267\u884c\u4efb\u52a1\u3002Playbook\u53ef\u4ee5\u5305\u542bAd-Hoc\u547d\u4ee4\uff0c\u5e76\u4e14Ad-Hoc\u547d\u4ee4\u53ef\u4ee5\u5728Playbook\u4e2d\u4f7f\u7528\u3002Playbook\u901a\u5e38\u7528\u4e8e\u7ba1\u7406\u590d\u6742\u7684\u81ea\u52a8\u5316\u6d41\u7a0b\uff0c\u800cAd-Hoc\u547d\u4ee4\u5219\u66f4\u9002\u5408\u4e8e\u5feb\u901f\u6267\u884c\u7b80\u5355\u4efb\u52a1\u3002<\/p>\n

\u533a\u522b\uff1a Ansible Playbook\u548cAd-Hoc\u5728\u8bed\u6cd5\u3001\u7528\u6cd5\u548c\u529f\u80fd\u4e0a\u6709\u4e00\u4e9b\u533a\u522b<\/h4>\n

Playbook\u4f7f\u7528YAML\u8bed\u6cd5\uff0c\u5177\u6709\u66f4\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5b9a\u4e49\u590d\u6742\u7684\u4efb\u52a1\u6d41\u7a0b\u548c\u903b\u8f91\u3002Ad-Hoc\u547d\u4ee4\u4f7f\u7528\u7b80\u5355\u7684\u547d\u4ee4\u884c\u8bed\u6cd5\u3002<\/p>\n

Playbook\u53ef\u4ee5\u5728\u591a\u4e2a\u4e3b\u673a\u4e0a\u6267\u884c\u591a\u4e2a\u4efb\u52a1\uff0c\u5177\u6709\u66f4\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u6269\u5c55\u6027\u3002Ad-Hoc\u547d\u4ee4\u901a\u5e38\u53ea\u5728\u5355\u4e2a\u4e3b\u673a\u6216\u5c11\u6570\u4e3b\u673a\u4e0a\u6267\u884c\u5355\u4e2a\u4efb\u52a1\u3002<\/p>\n

Playbook\u53ef\u4ee5\u4f7f\u7528\u53d8\u91cf\u3001\u6761\u4ef6\u8bed\u53e5\u3001\u5faa\u73af\u548c\u9519\u8bef\u5904\u7406\u7b49\u529f\u80fd\u3002Ad-Hoc\u547d\u4ee4\u901a\u5e38\u4e0d\u652f\u6301\u8fd9\u4e9b\u9ad8\u7ea7\u529f\u80fd\u3002<\/p>\n

Playbook\u53ef\u4ee5\u88ab\u4fdd\u5b58\u3001\u7248\u672c\u63a7\u5236\u548c\u91cd\u590d\u4f7f\u7528\u3002Ad-Hoc\u547d\u4ee4\u662f\u5373\u65f6\u6267\u884c\u7684\uff0c\u4e0d\u9700\u8981\u4fdd\u5b58\u548c\u7ef4\u62a4\u3002<\/p>\n

\u603b\u4e4b\uff0cAnsible Playbook\u548cAd-Hoc\u662fAnsible\u7684\u4e24\u79cd\u4e3b\u8981\u7528\u6cd5\uff0c\u5b83\u4eec\u5728\u529f\u80fd\u548c\u7528\u6cd5\u4e0a\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u90fd\u53ef\u4ee5\u7528\u4e8e\u81ea\u52a8\u5316\u4efb\u52a1\u3002\u9009\u62e9\u4f7f\u7528\u54ea\u79cd\u65b9\u5f0f\u53d6\u51b3\u4e8e\u4efb\u52a1\u7684\u590d\u6742\u6027\u3001\u6301\u4e45\u6027\u548c\u7075\u6d3b\u6027\u8981\u6c42\u3002<\/p>\n

5.Ansible Playbook\u4e66\u5199\u683c\u5f0f<\/h1>\n

Ansible Playbook\u4f7f\u7528YAML\u8bed\u6cd5\u8fdb\u884c\u7f16\u5199\uff0c\u4ee5\u4e0b\u662f\u4e00\u822c\u7684Ansible Playbook\u7684\u4e66\u5199\u683c\u5f0f\uff1a<\/p>\n

---\r\n- name: Playbook Name\r\n  hosts: target_hosts\r\n  become: yes\r\n  become_user: root\r\n  vars:\r\n    variable_name: variable_value\r\n  tasks:\r\n    - name: Task Name\r\n      module_name:\r\n        parameter1: value1\r\n        parameter2: value2\r\n<\/pre>\n
\u89e3\u91ca\u4e00\u4e0b\u4e0a\u8ff0\u683c\u5f0f\u7684\u5404\u4e2a\u90e8\u5206\uff1a<\/p>\n
—\uff1a\u8fd9\u662fYAML\u6587\u6863\u7684\u5f00\u59cb\u6807\u5fd7\u3002
\nname\uff1aPlaybook\u7684\u540d\u79f0\uff0c\u7528\u4e8e\u6807\u8bc6\u548c\u63cf\u8ff0Playbook\u3002
\nhosts\uff1a\u6307\u5b9a\u8981\u5728\u54ea\u4e9b\u4e3b\u673a\u4e0a\u6267\u884c\u4efb\u52a1\uff0c\u53ef\u4ee5\u662f\u5355\u4e2a\u4e3b\u673a\u3001\u4e3b\u673a\u7ec4\u6216\u4f7f\u7528\u6a21\u5f0f\u5339\u914d\u3002
\nbecome\uff1a\u6307\u5b9a\u662f\u5426\u5207\u6362\u5230\u7279\u6743\u7528\u6237\u6267\u884c\u4efb\u52a1\uff0c\u9ed8\u8ba4\u4e3ano\u3002
\nbecome_user\uff1a\u6307\u5b9a\u5207\u6362\u5230\u7684\u7279\u6743\u7528\u6237\uff0c\u9ed8\u8ba4\u4e3aroot\u3002
\nvars\uff1a\u6307\u5b9aPlaybook\u4e2d\u4f7f\u7528\u7684\u53d8\u91cf\u3002
\ntasks\uff1a\u6307\u5b9a\u8981\u6267\u884c\u7684\u4efb\u52a1\u5217\u8868\u3002
\nname\uff1a\u4efb\u52a1\u7684\u540d\u79f0\uff0c\u7528\u4e8e\u6807\u8bc6\u548c\u63cf\u8ff0\u4efb\u52a1\u3002
\nmodule_name\uff1a\u8981\u6267\u884c\u7684Ansible\u6a21\u5757\u7684\u540d\u79f0\u3002
\nparameter1,\u00a0parameter2\uff1a\u6a21\u5757\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u6839\u636e\u6a21\u5757\u7684\u8981\u6c42\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n
\u6b64\u5916\uff0cAnsible Playbook\u8fd8\u652f\u6301\u5176\u4ed6\u529f\u80fd\uff0c\u5982\u6761\u4ef6\u8bed\u53e5\u3001\u5faa\u73af\u3001\u9519\u8bef\u5904\u7406\u3001\u6a21\u677f\u7b49\u3002\u60a8\u53ef\u4ee5\u5728Playbook\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u529f\u80fd\u6765\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u81ea\u52a8\u5316\u4efb\u52a1\u3002<\/p>\n
\u7f29\u8fdb\uff1aYAML\u4f7f\u7528\u56fa\u5b9a\u7684\u7f29\u8fdb\u98ce\u683c\u8868\u793a\u5c42\u7ea7\u7ed3\u6784,\u6bcf\u4e2a\u7f29\u8fdb\u7531\u4e24\u4e2a\u7a7a\u683c\u7ec4\u6210, \u4e0d\u80fd\u4f7f\u7528tabs
\n\u5192\u53f7\uff1a\u4ee5\u5192\u53f7\u7ed3\u5c3e\u7684\u9664\u5916\uff0c\u5176\u4ed6\u6240\u6709\u5192\u53f7\u540e\u9762\u6240\u6709\u5fc5\u987b\u6709\u7a7a\u683c
\n\u77ed\u6a2a\u7ebf\uff1a\u8868\u793a\u5217\u8868\u9879\uff0c\u4f7f\u7528\u4e00\u4e2a\u77ed\u6a2a\u6760\u52a0\u4e00\u4e2a\u7a7a\u683c\u3002\u591a\u4e2a\u9879\u4f7f\u7528\u540c\u6837\u7684\u7f29\u8fdb\u7ea7\u522b\u4f5c\u4e3a\u540c\u4e00\u5217\u8868<\/p>\n
\u6ce8\u610f\uff1a\u5728\u7f16\u5199Ansible Playbook\u65f6\uff0c\u8bf7\u6ce8\u610f\u7f29\u8fdb\u548c\u6b63\u786e\u7684YAML\u8bed\u6cd5\u3002Ansible\u5bf9\u4e8e\u7f29\u8fdb\u548c\u683c\u5f0f\u8981\u6c42\u975e\u5e38\u4e25\u683c\uff0c\u56e0\u4e3a\u5b83\u662f\u57fa\u4e8eYAML\u8bed\u6cd5\u7684\u3002\u9519\u8bef\u7684\u7f29\u8fdb\u548c\u683c\u5f0f\u53ef\u80fd\u4f1a\u5bfc\u81f4Playbook\u6267\u884c\u5931\u8d25<\/p>\n
6.Ansible Playbook\u7684\u6307\u4ee4\u8be6\u7ec6\u4fe1\u606f<\/h1>\n
\u5f53\u4f7f\u7528Ansible Playbook\u65f6\uff0c\u6709\u8bb8\u591a\u5e38\u7528\u7684\u6307\u4ee4\u53ef\u7528\u4e8e\u6267\u884c\u4e0d\u540c\u7684\u4efb\u52a1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6307\u4ee4\u7684\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n
name\uff1a\u7528\u4e8e\u7ed9\u4efb\u52a1\u6216\u89d2\u8272\u547d\u540d\uff0c\u4ee5\u4fbf\u63cf\u8ff0\u4efb\u52a1\u7684\u76ee\u7684\u6216\u4f5c\u7528\u3002\u8fd9\u4e2a\u6307\u4ee4\u5bf9\u4e8e\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u975e\u5e38\u91cd\u8981\u3002<\/h4>\n
- name: Install Apache\r\n  apt:\r\n    name: apache2\r\n    state: present\r\n<\/pre>\n
hosts\uff1a\u7528\u4e8e\u6307\u5b9a\u8981\u5728\u54ea\u4e9b\u4e3b\u673a\u4e0a\u6267\u884c\u4efb\u52a1\u6216\u89d2\u8272\u3002\u53ef\u4ee5\u4f7f\u7528\u4e3b\u673a\u7ec4\u6216\u5355\u4e2a\u4e3b\u673a\u6765\u5b9a\u4e49\u3002<\/h4>\n
- hosts: webservers\r\n  tasks:\r\n    - name: Install Apache\r\n      apt:\r\n        name: apache2\r\n        state: present\r\n<\/pre>\n
become\uff1a\u4ee5\u7279\u6743\u7528\u6237\uff08\u4f8b\u5982root\uff09\u8eab\u4efd\u6267\u884c\u4efb\u52a1\u3002\u8fd9\u4e2a\u6307\u4ee4\u5141\u8bb8\u4f60\u5728\u6267\u884c\u9700\u8981\u7279\u6743\u7684\u64cd\u4f5c\u65f6\u5207\u6362\u7528\u6237\u8eab\u4efd\u3002<\/h4>\n
- hosts: webservers\r\n  become: true\r\n  tasks:\r\n    - name: Install Apache\r\n      apt:\r\n        name: apache2\r\n        state: present\r\n<\/pre>\n
vars\uff1a\u7528\u4e8e\u5b9a\u4e49\u53d8\u91cf\uff0c\u4ee5\u4fbf\u5728Playbook\u4e2d\u91cd\u590d\u4f7f\u7528\u3002\u8fd9\u4e2a\u6307\u4ee4\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5728\u4e0d\u540c\u7684\u4efb\u52a1\u4e2d\u5171\u4eab\u6570\u636e\u3002<\/h4>\n
- hosts: webservers\r\n  vars:\r\n    http_port: 80\r\n  tasks:\r\n    - name: Install Apache\r\n      apt:\r\n        name: apache2\r\n        state: present\r\n<\/pre>\n
include\uff1a\u7528\u4e8e\u5305\u542b\u5176\u4ed6Playbook\u6216\u4efb\u52a1\u6587\u4ef6\u3002\u8fd9\u4e2a\u6307\u4ee4\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5c06\u590d\u6742\u7684Playbook\u62c6\u5206\u6210\u66f4\u5c0f\u7684\u6a21\u5757\u3002<\/h4>\n
- include: tasks\/install_apache.yml\r\n<\/pre>\n
when\uff1a\u6839\u636e\u6761\u4ef6\u5224\u65ad\u662f\u5426\u6267\u884c\u4efb\u52a1\u3002\u8fd9\u4e2a\u6307\u4ee4\u5141\u8bb8\u4f60\u6839\u636e\u4e3b\u673a\u5c5e\u6027\u6216\u5176\u4ed6\u6761\u4ef6\u6765\u9009\u62e9\u6267\u884c\u7279\u5b9a\u7684\u4efb\u52a1\u3002<\/h4>\n
- name: Install Apache on Ubuntu\r\n  apt:\r\n    name: apache2\r\n    state: present\r\n  when: ansible_distribution == 'Ubuntu'\r\n<\/pre>\n
register\uff1a\u5c06\u4efb\u52a1\u7684\u8f93\u51fa\u4fdd\u5b58\u5230\u53d8\u91cf\u4e2d\uff0c\u4ee5\u4f9b\u540e\u7eed\u4efb\u52a1\u4f7f\u7528\u3002\u8fd9\u4e2a\u6307\u4ee4\u5141\u8bb8\u4f60\u6355\u83b7\u547d\u4ee4\u6267\u884c\u7684\u7ed3\u679c\u5e76\u5728\u540e\u7eed\u4efb\u52a1\u4e2d\u4f7f\u7528\u3002<\/h4>\n
- name: Check if Apache is installed\r\n  command: dpkg -s apache2\r\n  register: apache_status\r\n\r\n- name: Print Apache status\r\n  debug:\r\n    var: apache_status.stdout_lines\r\n<\/pre>\n
notify\uff1a\u5728\u4efb\u52a1\u72b6\u6001\u6539\u53d8\u65f6\u89e6\u53d1\u901a\u77e5\u3002\u8fd9\u4e2a\u6307\u4ee4\u901a\u5e38\u7528\u4e8e\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u6216\u6267\u884c\u5176\u4ed6\u64cd\u4f5c\u3002<\/h4>\n
- name: Restart Apache\r\n  service:\r\n    name: apache2\r\n    state: restarted\r\n  notify: Restart Apache\r\n<\/pre>\n
\u8fd9\u4e9b\u662f\u4e00\u4e9b\u5e38\u7528\u7684Ansible Playbook\u6307\u4ee4\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u573a\u666f\u8fdb\u884c\u4f7f\u7528\u3002Ansible\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6307\u4ee4\u548c\u6a21\u5757\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5404\u79cd\u81ea\u52a8\u5316\u4efb\u52a1\u7684\u9700\u6c42<\/p>\n
\u5728Ansible Playbook\u4e2d\uff0chandlers\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u4efb\u52a1\uff0c\u5b83\u4eec\u5728\u7279\u5b9a\u7684\u6761\u4ef6\u4e0b\u89e6\u53d1\u3002Handlers\u901a\u5e38\u7528\u4e8e\u5728\u4efb\u52a1\u6267\u884c\u540e\u6267\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u6216\u6267\u884c\u5176\u4ed6\u64cd\u4f5c\u3002<\/p>\n
Handlers\u7684\u5b9a\u4e49\u548c\u4f7f\u7528\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
handlers:\r\n  - name: Restart Apache\r\n    service:\r\n      name: apache2\r\n      state: restarted\r\n\r\ntasks:\r\n  - name: Install Apache\r\n    apt:\r\n      name: apache2\r\n      state: present\r\n    notify: Restart Apache\r\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aRestart Apache\u7684handler\uff0c\u5b83\u4f7f\u7528service\u6a21\u5757\u91cd\u65b0\u542f\u52a8Apache\u670d\u52a1\u3002\u7136\u540e\uff0c\u5728\u5b89\u88c5Apache\u7684\u4efb\u52a1\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528notify\u6307\u4ee4\u5c06\u8be5handler\u4e0e\u4efb\u52a1\u5173\u8054\u8d77\u6765\u3002\u8fd9\u610f\u5473\u7740\u5f53\u5b89\u88c5Apache\u7684\u4efb\u52a1\u6267\u884c\u5b8c\u6210\u540e\uff0c\u5c06\u89e6\u53d1Restart Apache\u00a0handler\u3002<\/p>\n
Handlers\u4f1a\u5728Playbook\u7684\u6240\u6709\u4efb\u52a1\u6267\u884c\u5b8c\u6210\u540e\u8fdb\u884c\u5904\u7406\u3002\u5982\u679c\u591a\u4e2a\u4efb\u52a1\u89e6\u53d1\u4e86\u76f8\u540c\u7684handler\uff0chandler\u53ea\u4f1a\u6267\u884c\u4e00\u6b21\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u5728\u9700\u8981\u65f6\u53ea\u6267\u884c\u4e00\u6b21\u7279\u5b9a\u7684\u64cd\u4f5c\uff0c\u800c\u4e0d\u4f1a\u91cd\u590d\u6267\u884c\u3002<\/p>\n
Handlers\u8fd8\u53ef\u4ee5\u4f7f\u7528listen\u6307\u4ee4\u6765\u76d1\u542c\u7279\u5b9a\u7684\u4e8b\u4ef6\uff0c\u5e76\u5728\u4e8b\u4ef6\u53d1\u751f\u65f6\u89e6\u53d1\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528listen\u6307\u4ee4\u6765\u76d1\u542c\u6587\u4ef6\u7684\u53d8\u5316\uff0c\u5e76\u5728\u6587\u4ef6\u53d1\u751f\u66f4\u6539\u65f6\u6267\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\u3002<\/p>\n
handlers:\r\n  - name: Restart Apache\r\n    service:\r\n      name: apache2\r\n      state: restarted\r\n    listen: \"File changed\"\r\n\r\ntasks:\r\n  - name: Update config file\r\n    template:\r\n      src: config.j2\r\n      dest: \/etc\/apache2\/config.conf\r\n    notify: \"File changed\"\r\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aRestart Apache\u7684handler\uff0c\u5e76\u4f7f\u7528listen\u6307\u4ee4\u6765\u76d1\u542c\u540d\u4e3aFile changed\u7684\u4e8b\u4ef6\u3002\u7136\u540e\uff0c\u5728\u66f4\u65b0\u914d\u7f6e\u6587\u4ef6\u7684\u4efb\u52a1\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528notify\u6307\u4ee4\u5c06File changed\u4e8b\u4ef6\u4e0e\u8be5\u4efb\u52a1\u5173\u8054\u8d77\u6765\u3002\u8fd9\u610f\u5473\u7740\u5f53\u914d\u7f6e\u6587\u4ef6\u53d1\u751f\u66f4\u6539\u65f6\uff0c\u5c06\u89e6\u53d1File changed\u4e8b\u4ef6\uff0c\u5e76\u6267\u884cRestart Apache\u00a0handler\u3002<\/p>\n
Handlers\u662fAnsible Playbook\u4e2d\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5728\u9700\u8981\u65f6\u6267\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u91cd\u65b0\u542f\u52a8\u670d\u52a1\u6216\u6267\u884c\u5176\u4ed6\u4efb\u52a1<\/p>\n
7.Ansible Playbook\u7684\u4f7f\u7528<\/h1>\n
\u4f7f\u7528\u673a\u5668\u8981\u5728hosts\u6587\u4ef6\u91cc\u5199\u4e0aIP<\/h4>\n
\u5267\u672c<\/h2>\n
\u521b\u5efa\u76ee\u5f55<\/h4>\n
[root@ansible ~]$ mkdir -p \/server\/playbook<\/p>\n
\u5199\u5267\u672c<\/h4>\n
[root@ansible \/server\/playbook]$ cat 01cs.yml\r\n---\r\n- hosts: all\r\n  tasks:\r\n  - name: show name\r\n    command: hostname<\/pre>\n
\u6d4b\u8bd5\u7ed3\u679c<\/h4>\n
[root@ansible \/server\/playbook]$ ansible-playbook 01cs.yml -C<\/p>\n
\"\"<\/a><\/p>\n
\u6267\u884cplaybook\uff0c\u6ce8\u610f\u89c2\u5bdf\u6267\u884c\u8fd4\u56de\u7684\u72b6\u6001\u989c\u8272<\/h2>\n
\u7eff\u8272\uff08Green\uff09\uff1a\u8868\u793a\u4efb\u52a1\u6210\u529f\u6267\u884c
\n\u9ec4\u8272\uff08Yellow\uff09\uff1a\u8868\u793a\u4efb\u52a1\u5df2\u7ecf\u6267\u884c\u8fc7\uff0c\u4f46\u53ef\u80fd\u6709\u4e00\u4e9b\u53d8\u5316\u6216\u8b66\u544a
\n\u7ea2\u8272\uff08Red\uff09\uff1a\u8868\u793a\u4efb\u52a1\u6267\u884c\u5931\u8d25
\n\u84dd\u8272\uff08Blue\uff09\uff1a\u8868\u793a\u4efb\u52a1\u5df2\u7ecf\u88ab\u8df3\u8fc7\uff0c\u56e0\u4e3a\u6761\u4ef6\u4e0d\u6ee1\u8db3\u6216\u8005\u5df2\u7ecf\u88ab\u6807\u8bb0\u4e3a\u8df3\u8fc7
\n\u7d2b\u8272\uff08Purple\uff09\uff1a\u8868\u793a\u4efb\u52a1\u5df2\u7ecf\u88ab\u5ffd\u7565\uff0c\u56e0\u4e3a\u4e4b\u524d\u7684\u4efb\u52a1\u5df2\u7ecf\u5931\u8d25
\n\u65e0\u989c\u8272\uff08No color\uff09\uff1a\u8868\u793a\u4efb\u52a1\u6b63\u5728\u6267\u884c\u4e2d<\/p>\n
\u4f7f\u7528ansible playbook\u5b89\u88c5\u5e76\u914d\u7f6enfs\u670d\u52a1<\/h2>\n
\u5267\u672c<\/h4>\n
[root@ansible \/server\/playbook]$ cat 02nfs.yml \r\n---\r\n- hosts: 172.16.1.78\r\n  tasks:\r\n  - name: install nfs\r\n    yum: \r\n      name: rpcbind,nfs-utils\r\n      state: installed\r\n  - name: nfs copy\r\n    copy: \r\n      src: .\/exports.j2 \r\n      dest: \/etc\/exports\r\n      backup: yes\r\n  - name: mkdir dir\r\n    file:\r\n       path: \/data-nfs\r\n       state: directory\r\n       owner: nfsnobody\r\n       group: nfsnobody\r\n  - name: start rpcbind\r\n    systemd: \r\n      name: rpcbind\r\n      state: started\r\n      enabled: yes\r\n  - name: start nfs\r\n    systemd: \r\n      name: nfs\r\n      state: started\r\n      enabled: yes\r\n  - name: mount\r\n    mount:\r\n      src: 172.16.1.78:\/data-nfs\r\n      path: \/mnt\r\n      fstype: nfs\r\n      state: mounted<\/pre>\n
\u6587\u4ef6\uff08\u9700\u8981\u63d0\u524d\u51c6\u5907\u597d\u6587\u4ef6\uff09<\/h4>\n
[root@ansible \/server\/playbook]$ cat exports.j2
\n\/data-nfs 172.16.1.0\/24(rw,all_squash)<\/p>\n
\u6267\u884c\u5267\u672c<\/h4>\n
-C\u5148\u6d4b\u8bd5<\/p>\n
[root@ansible \/server\/playbook]$ ansible-playbook 02nfs.yml<\/p>\n
\"\"<\/a><\/p>\n
\u6302\u8f7dweb\u670d\u52a1\u5668<\/h4>\n
[root@ansible \/server\/playbook]$ cat 03web-nfs.yml \r\n---\r\n- hosts: web\r\n  tasks:\r\n  - name: web-nfs\r\n    mount:\r\n      src: 172.16.1.78:\/data-nfs\r\n      path: \/code\/backup\r\n      fstype: nfs\r\n      state: mounted\r\n<\/pre>\n
\"\"<\/a><\/p>\n
\u4f7f\u7528ansible\u5b89\u88c5\u5e76\u914d\u7f6enginx\u670d\u52a1<\/h2>\n
\u5267\u672c<\/h4>\n
[root@ansible \/server\/playbook]$ cat 04nginx.yml \r\n---\r\n- hosts: 172.16.1.78\r\n  tasks:\r\n  - name: nginx Repo\r\n    yum_repository:\r\n      name: nginx\r\n      description: nginx repo\r\n      baseurl: http:\/\/nginx.org\/packages\/centos\/$releasever\/$basearch\/\r\n      enabled: yes\r\n      gpgcheck: yes\r\n      gpgkey: https:\/\/nginx.org\/keys\/nginx_signing.key\r\n  - name: install nginx\r\n    yum:\r\n      name: nginx\r\n      state: installed\r\n  - name: file\r\n    copy: \r\n      content: \"ansible.playbook.com\"\r\n      dest: \/usr\/share\/nginx\/html\/index.html\r\n  - name: copy nginx\r\n    copy: \r\n      src: .\/www.ansible.com.conf\r\n      dest: \/etc\/nginx\/conf.d\/www.ansible.com.conf\r\n      backup: yes\r\n  - name: state nginx\r\n    systemd:\r\n    name: nginx\r\n    state: started\r\n    enabled: yes<\/pre>\n
\u6267\u884c\u5267\u672c<\/h4>\n
[root@ansible \/server\/playbook]$ ansible-playbook 04nginx.yml<\/p>\n
\"\"<\/a><\/p>\n
\u914d\u7f6e\u6587\u4ef6<\/h4>\n
[root@ansible \/server\/playbook]$ cat www.ansible.com.conf
\nserver {
\nlisten 80;
\nserver_name www.ansible.com;<\/p>\n
location \/ {
\nroot \/usr\/share\/nginx\/html\/;
\nindex index.html index.php;
\n}
\n}<\/p>\n
nginx\u914d\u7f6e\u6587\u4ef6\u53d1\u751f\u53d8\u5316\u91cd\u542f<\/h4>\n
[root@ansible \/server\/playbook]$ cat 04nginx.yml \r\n---\r\n- hosts: 172.16.1.78\r\n  tasks:\r\n  - name: nginx Repo\r\n    yum_repository:\r\n      name: nginx \r\n      description: nginx repo\r\n      baseurl: http:\/\/nginx.org\/packages\/centos\/$releasever\/$basearch\/\r\n      enabled: yes\r\n      gpgcheck: yes\r\n      gpgkey: https:\/\/nginx.org\/keys\/nginx_signing.key\r\n  - name: install nginx\r\n    yum:\r\n      name: nginx\r\n      state: installed\r\n  - name: file\r\n    copy: \r\n      content: \"ansible.playbook.com\"\r\n      dest: \/usr\/share\/nginx\/html\/index.html\r\n  - name: copy nginx\r\n    copy: \r\n      src: .\/www.ansible.com.conf\r\n      dest: \/etc\/nginx\/conf.d\/www.ansible.com.conf\r\n      backup: yes\r\n      notify: Restart Nginx\r\n  - name: state nginx\r\n    systemd:\r\n      name: nginx\r\n      state: started\r\n      enabled: yes\r\n  handlers:\r\n    - name: Restart Nginx\r\n      systemd:\r\n        name: nginx\r\n        state: restarted<\/pre>\n
NFS\u914d\u7f6e\u6587\u4ef6\u53d1\u751f\u53d8\u5316\u91cd\u542f\u4f7f\u7528\u591a\u4e2ahandlers<\/h4>\n
[root@ansible \/server\/playbook]$ cat 02nfs.yml \r\n---\r\n- hosts: 172.16.1.78\r\n  tasks:\r\n  - name: install nfs\r\n    yum: \r\n      name: rpcbind,nfs-utils\r\n      state: installed\r\n  - name: nfs copy\r\n    copy: \r\n      src: .\/exports.j2 \r\n      dest: \/etc\/exports\r\n      backup: yes\r\n    notify: \r\n      - Restart NFS \r\n      - Remount NFS\r\n  - name: mkdir dir\r\n    file:\r\n      path: \/data-nfs\r\n      state: directory\r\n      owner: nfsnobody\r\n      group: nfsnobody\r\n  - name: start rpcbind\r\n    systemd: \r\n      name: rpcbind\r\n      state: started\r\n      enabled: yes\r\n  - name: start nfs\r\n    systemd: \r\n      name: nfs\r\n      state: started\r\n      enabled: yes\r\n  - name: mount\r\n    mount:\r\n      src: '172.16.1.78:\/data-nfs'\r\n      path: \/mnt\r\n      fstype: nfs\r\n      state: mounted\r\n  handlers: \r\n    - name: Restart NFS\r\n      systemd: \r\n        name: nfs\r\n        state: restarted\r\n    - name: Remount NFS\r\n      mount:\r\n        src: '172.16.1.78:\/data-nfs'\r\n        path: \/mnt\r\n        fstype: nfs\r\n        state: remounted<\/pre>\n","protected":false},"excerpt":{"rendered":"
1.Ansible Playbook\u57fa\u672c\u6982\u8ff0 ansible\u6709\u4e24\u79cd\u6267\u884c\u6a21\u5f0f\uff0c\u4e00\u79cd\u662f\u7528\u5b8c\u5373\u6254\u7684ad-hoc\u6a21\u5f0f\uff0c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[24],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts\/1172"}],"collection":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1172"}],"version-history":[{"count":4,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts\/1172\/revisions"}],"predecessor-version":[{"id":1181,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=\/wp\/v2\/posts\/1172\/revisions\/1181"}],"wp:attachment":[{"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qiangzhenshuai.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}