{"id":42305,"date":"2023-03-21T00:58:36","date_gmt":"2022-12-23T06:52:16","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8ansible%e5%bc%80%e5%a7%8b%e9%85%8d%e7%bd%ae%e7%ae%a1%e7%90%86%e5%b7%a5%e5%85%b7-part2\/"},"modified":"2024-04-29T19:52:27","modified_gmt":"2024-04-29T11:52:27","slug":"%e4%bd%bf%e7%94%a8ansible%e5%bc%80%e5%a7%8b%e9%85%8d%e7%bd%ae%e7%ae%a1%e7%90%86%e5%b7%a5%e5%85%b7-part2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8ansible%e5%bc%80%e5%a7%8b%e9%85%8d%e7%bd%ae%e7%ae%a1%e7%90%86%e5%b7%a5%e5%85%b7-part2\/","title":{"rendered":"\u4f7f\u7528Ansible\u5f00\u59cb\u914d\u7f6e\u7ba1\u7406\u5de5\u5177 Part2"},"content":{"rendered":"

\u4f7f\u7528 Ansible \u8fdb\u884c\u914d\u7f6e\u7ba1\u7406\u5de5\u5177_Part2<\/h1>\n

\u6211\u5df2\u7ecf\u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\u63cf\u8ff0\u4e86Ansible\u53d1\u5e03\u7684\u6700\u4f73\u5b9e\u8df5\u914d\u7f6e\uff0c\u4f46\u73b0\u5728\u6211\u8fdb\u884c\u4e86\u8be6\u7ec6\u7684\u8c03\u67e5\u548c\u9a8c\u8bc1\uff0c\u4ee5\u786e\u5b9a\u5e94\u8be5\u5728\u54ea\u4e2a\u6587\u4ef6\u4e2d\u5199\u5165\u5177\u4f53\u5185\u5bb9\u3002<\/p>\n

1.1. Ansible\u7684\u76ee\u5f55\u7ed3\u6784<\/h2>\n
\/etc\/ansible\/\r\n  \u251cinventories\/\r\n  \u2502  \u251cproduction\/\r\n  \u2502  \u2502  \u251chosts                    # \u672c\u756a\u74b0\u5883\u30b5\u30fc\u30d0\u7528\u306e\u30a4\u30f3\u30d9\u30f3\u30c8\u30ea\u30d5\u30a1\u30a4\u30eb\r\n  \u2502  \u2502  \u251cgroup_vars\/\r\n  \u2502  \u2502  \u2502  \u251call.yml\r\n  \u2502  \u2502  \u2502  \u251cwebservers.yml        # \u7279\u5b9a\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u5909\u6570\u3092\u5272\u308a\u5f53\u3066\r\n  \u2502  \u2502  \u2502  \u251cdbservers.yml \r\n  \u2502  \u2502  \u2502  \u2514apservers.yml\r\n  \u2502  \u2502  \u2514host_vars\/\r\n  \u2502  \u2502      \u251cwebservers.yml       # \u7279\u5b9a\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u5909\u6570\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\r\n  \u2502  \u2502      \u251cdbservers.yml\r\n  \u2502  \u2502      \u2514apservers.yml\r\n  \u2502  \u251clocal\/\r\n  \u2502  \u2502  \u251chosts                    # ansible\u30b5\u30fc\u30d0\u7528\u306e\u30a4\u30f3\u30d9\u30f3\u30c8\u30ea\u30d5\u30a1\u30a4\u30eb\r\n  \u2502  \u2502  \u251cgroup_vars\/\r\n  \u2502  \u2502  \u2502 \u2514local.yml \r\n  \u2502  \u2502  \u2514host_vars\/\r\n  \u2502  \u2502      \u2514local.yml \r\n  \u2502  \u2514staging\/\r\n  \u2502      \u251chosts                   # \u958b\u767a\u74b0\u5883\u30b5\u30fc\u30d0\u7528\u306e\u30a4\u30f3\u30d9\u30f3\u30c8\u30ea\u30d5\u30a1\u30a4\u30eb\r\n  \u2502      \u251cgroup_vars\/\r\n  \u2502      \u2502  \u251call.yml\r\n  \u2502      \u2502  \u251cwebservers.yml       # \u30b0\u30eb\u30fc\u30d7\u306b\u5909\u6570\u3092\u5272\u308a\u5f53\u3066\r\n  \u2502      \u2502  \u251cdbservers.yml \r\n  \u2502      \u2502  \u2514apservers.yml\r\n  \u2502      \u2514host_vars\/\r\n  \u2502          \u251cwebservers.yml      # \u30b7\u30b9\u30c6\u30e0\u306b\u5909\u6570\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\r\n  \u2502          \u251cdbservers.yml \r\n  \u2502          \u2514apservers.yml\r\n  \u251clibrary\/                       # \u30ab\u30b9\u30bf\u30e0\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u7f6e\u304d\u307e\u3059\u3002\r\n  \u251cmodule_utils\/                  # module_utils\u3092\u7f6e\u304d\u307e\u3059\u3002\r\n  \u251cfilter_plugins\/                # \u30ab\u30b9\u30bf\u30e0\u30d5\u30a3\u30eb\u30bf\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u914d\u7f6e\u3057\u307e\u3059\u3002\r\n  \u2502\r\n  \u251csite.yml                       # master playbook\r\n  \u251cwebservers.yml                 # playbook for webserver tier\r\n  \u251cdbservers.yml                  # playbook for dbserver tier\r\n  \u251capservers.yml                  # playbook for apserver tier\r\n  \u2502\r\n  \u2514roles\/\r\n      \u251ccommon\/                 # \u3053\u306e\u968e\u5c64\u306f\u300c\u5f79\u5272\u300d\u3092\u8868\u3057\u307e\u3059\r\n      \u2502  \u251ctasks\/\r\n      \u2502  \u2502  \u2514main.yml\r\n      \u2502  \u251chandlers\/\r\n      \u2502  \u2502  \u2514main.yml\r\n      \u2502  \u251ctemplates\/\r\n      \u2502  \u2502  \u2514ntp.conf.j2\r\n      \u2502  \u251cfiles\/\r\n      \u2502  \u2502  \u2514source files     # \u30b3\u30d4\u30fc\u30ea\u30bd\u30fc\u30b9\u3067\u4f7f\u7528\u3059\u308b\u30d5\u30a1\u30a4\u30eb\r\n      \u2502  \u2502  \u2514script files     # \u30b9\u30af\u30ea\u30d7\u30c8\u30ea\u30bd\u30fc\u30b9\u3067\u4f7f\u7528\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u30d5\u30a1\u30a4\u30eb\r\n      \u2502  \u251cvars\/\r\n      \u2502  \u2502  \u2514main.yml         # \u3053\u306e\u30ed\u30fc\u30eb\u306b\u95a2\u9023\u3059\u308b\u5909\u6570\r\n      \u2502  \u251cdefaults\/\r\n      \u2502  \u2502  \u2514main.yml         # \u3053\u306e\u30ed\u30fc\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u512a\u5148\u9806\u4f4d\u306e\u4f4e\u3044\u5909\u6570\r\n      \u2502  \u251cmeta\/\r\n      \u2502  \u2502  \u2514main.yml         # \u30ed\u30fc\u30eb\u4f9d\u5b58\u95a2\u4fc2\r\n      \u2502  \u251clibrary\/            # \u30ab\u30b9\u30bf\u30e0\u30e2\u30b8\u30e5\u30fc\u30eb\u3082\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\r\n      \u2502  \u251cmodule_utils\/       # \u30ab\u30b9\u30bf\u30e0module_utils\u3082\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\r\n      \u2502  \u2514lookup_plugins\/     # \u691c\u7d22\u306e\u3088\u3046\u306b\u3001\u307e\u305f\u306f\u4ed6\u306e\u7a2e\u985e\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\r\n      \u251cwebtier\/               # \u300ccommon\u300d\u3068\u540c\u3058\u69cb\u9020\r\n      \u251cdbtier\/                # \u300ccommon\u300d\u3068\u540c\u3058\u69cb\u9020\r\n      \u251captier\/                # \u300ccommon\u300d\u3068\u540c\u3058\u69cb\u9020\r\n      \u2514monitoring\/            # \u300ccommon\u300d\u3068\u540c\u3058\u69cb\u9020\r\n<\/code><\/pre>\n
\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u76ee\u5f55\u3002
\n\u60a8\u4e5f\u53ef\u4ee5\u53c2\u8003\u4f7f\u7528playbook\u521b\u5efa\u76ee\u5f55\u7ed3\u6784\u7684\u65b9\u6cd5\uff0c\u5c31\u50cf\u4e0b\u9762\u7684URL\u4e00\u6837\u3002
\n“\u6211\u60f3\u8981\u4e00\u51fb\u521b\u5efaAnsible\u6700\u4f73\u5b9e\u8df5\u7684\u76ee\u5f55\u7ed3\u6784\u6a21\u677f”\u3002<\/p>\n
Ansible_Dir=\/etc\/ansible\r\nmkdir -m 755 $Ansible_Dir\/inventories\r\nmkdir -m 755 $Ansible_Dir\/inventories\/production\/\r\nmkdir -m 755 $Ansible_Dir\/inventories\/production\/group_vars\/\r\nmkdir -m 755 $Ansible_Dir\/inventories\/production\/host_vars\/\r\nmkdir -m 755 $Ansible_Dir\/inventories\/staging\/\r\nmkdir -m 755 $Ansible_Dir\/inventories\/staging\/group_vars\/\r\nmkdir -m 755 $Ansible_Dir\/inventories\/staging\/host_vars\/\r\nmkdir -m 755 $Ansible_Dir\/library\r\nmkdir -m 755 $Ansible_Dir\/module_utils\r\nmkdir -m 755 $Ansible_Dir\/filter_plugins\r\nmkdir -m 755 $Ansible_Dir\/roles\r\nmkdir -m 755 $Ansible_Dir\/roles\/common\r\nmkdir -m 755 $Ansible_Dir\/roles\/common\/tasks\r\nmkdir -m 755 $Ansible_Dir\/roles\/common\/handlers\r\nmkdir -m 755 $Ansible_Dir\/roles\/common\/templates\r\nmkdir -m 755 $Ansible_Dir\/roles\/common\/files\r\nmkdir -m 755 $Ansible_Dir\/roles\/common\/vars\r\nmkdir -m 755 $Ansible_Dir\/roles\/common\/defaults\r\nmkdir -m 755 $Ansible_Dir\/roles\/common\/meta\r\nmkdir -m 755 $Ansible_Dir\/roles\/common\/library\r\nmkdir -m 755 $Ansible_Dir\/roles\/common\/module_utils\r\nmkdir -m 755 $Ansible_Dir\/roles\/common\/lookup_plugins\r\nmkdir -m 755 $Ansible_Dir\/roles\/webtier\r\nmkdir -m 755 $Ansible_Dir\/roles\/webtier\/tasks\r\nmkdir -m 755 $Ansible_Dir\/roles\/webtier\/handlers\r\nmkdir -m 755 $Ansible_Dir\/roles\/webtier\/templates\r\nmkdir -m 755 $Ansible_Dir\/roles\/webtier\/files\r\nmkdir -m 755 $Ansible_Dir\/roles\/webtier\/vars\r\nmkdir -m 755 $Ansible_Dir\/roles\/webtier\/defaults\r\nmkdir -m 755 $Ansible_Dir\/roles\/webtier\/meta\r\nmkdir -m 755 $Ansible_Dir\/roles\/webtier\/library\r\nmkdir -m 755 $Ansible_Dir\/roles\/webtier\/module_utils\r\nmkdir -m 755 $Ansible_Dir\/roles\/webtier\/lookup_plugins\r\nmkdir -m 755 $Ansible_Dir\/roles\/dbtier\/\r\nmkdir -m 755 $Ansible_Dir\/roles\/dbtier\/tasks\r\nmkdir -m 755 $Ansible_Dir\/roles\/dbtier\/handlers\r\nmkdir -m 755 $Ansible_Dir\/roles\/dbtier\/templates\r\nmkdir -m 755 $Ansible_Dir\/roles\/dbtier\/files\r\nmkdir -m 755 $Ansible_Dir\/roles\/dbtier\/vars\r\nmkdir -m 755 $Ansible_Dir\/roles\/dbtier\/defaults\r\nmkdir -m 755 $Ansible_Dir\/roles\/dbtier\/meta\r\nmkdir -m 755 $Ansible_Dir\/roles\/dbtier\/library\r\nmkdir -m 755 $Ansible_Dir\/roles\/dbtier\/module_utils\r\nmkdir -m 755 $Ansible_Dir\/roles\/dbtier\/lookup_plugins\r\nmkdir -m 755 $Ansible_Dir\/roles\/aptier\/\r\nmkdir -m 755 $Ansible_Dir\/roles\/aptier\/tasks\r\nmkdir -m 755 $Ansible_Dir\/roles\/aptier\/handlers\r\nmkdir -m 755 $Ansible_Dir\/roles\/aptier\/templates\r\nmkdir -m 755 $Ansible_Dir\/roles\/aptier\/files\r\nmkdir -m 755 $Ansible_Dir\/roles\/aptier\/vars\r\nmkdir -m 755 $Ansible_Dir\/roles\/aptier\/defaults\r\nmkdir -m 755 $Ansible_Dir\/roles\/aptier\/meta\r\nmkdir -m 755 $Ansible_Dir\/roles\/aptier\/library\r\nmkdir -m 755 $Ansible_Dir\/roles\/aptier\/module_utils\r\nmkdir -m 755 $Ansible_Dir\/roles\/aptier\/lookup_plugins\r\n<\/code><\/pre>\n
Ansible\u7684\u914d\u7f6e\u6587\u4ef6\u88ab\u8bbe\u7f6e\u5728\u3010\/etc\/ansible\/ansible.cfg\u3011\u4e2d\u3002<\/h2>\n
\u5173\u4e8eAnsible\u7684\u914d\u7f6e\u503c\uff0c\u8bf7\u53c2\u8003\u5148\u524d\u7684\u603b\u7ed3\u5982\u4e0b\u3002<\/p>\n
\u6211\u8bd5\u7740\u5c06ansible.cfg\u7684\u9879\u76ee\u5217\u6210\u6e05\u5355\u3002<\/p>\n
Ansible\u914d\u7f6e\u6587\u4ef6(ansible.cfg)\u7684\u5b98\u65b9\u624b\u518c<\/p>\n
\u9996\u5148\uff0c\u5982\u679c\u4e0d\u53d6\u6d88\u4ee5\u4e0b\u7684\u884c\u7684\u6ce8\u91ca\uff0c\u5b83\u5c06\u65e0\u6cd5\u8fd0\u884c\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u884c\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n
retry_files_enabled = False<\/span>\r\nretry_files_save_path = ~\/.ansible-retry<\/span>\r\n<\/code><\/pre>\n
1.3. \u5eab\u5b58\u8a2d\u7f6e<\/h2>\n
\u5728\u90e8\u7f72\u73af\u5883\u548c\u6f14\u7ec3\u73af\u5883\u4e2d\uff0c\u6839\u636eansible-playbook\u547d\u4ee4\u7684-i\u53c2\u6570\u6307\u5b9a\u4e0d\u540c\u7684Inventory\u6587\u4ef6\u6765\u6267\u884c\uff0c\u53ef\u4ee5\u5c06Inventory\u5206\u5f00\u8bb0\u5f55\uff0c\u4ee5\u4fbf\u5c06playbook\u9488\u5bf9\u4e0d\u540c\u7684\u73af\u5883\u8fdb\u884c\u90e8\u7f72\u3002<\/p>\n
\u6b64\u5916\uff0c\u6bcf\u4e2aInventory\u90fd\u6839\u636e\u670d\u52a1\u5668\u7684\u4e0d\u540c\u89d2\u8272\u8fdb\u884c\u5206\u7ec4\uff0c\u4ee5\u4fbf\u914d\u7f6e\u6bcf\u4e2a\u89d2\u8272\u7684playbook\u8fdb\u884c\u6267\u884c\u3002<\/p>\n
\u3010$Ansible \u76ee\u5f55\/\u6e05\u5355\/\u751f\u4ea7\u73af\u5883\/\u4e3b\u673a\u3011<\/p>\n
[<\/span>webservers<\/span>]<\/span>\r\n192.168.100.101<\/span>\r\n192.168.100.102<\/span>\r\n192.168.100.103<\/span>\r\n192.168.100.104<\/span>\r\n[<\/span>dbservers<\/span>]<\/span>\r\n192.168.101.101<\/span>\r\n192.168.101.102<\/span>\r\n[<\/span>apservers<\/span>]<\/span>\r\n192.168.102.101<\/span>\r\n192.168.102.102<\/span>\r\n<\/code><\/pre>\n
\u3010$Ansible_Dir\/inventories\/staging\/hosts\u3011
\n\u3010$ Ansible_Dir\/inventories\/staging\/hosts\u3011<\/p>\n
[<\/span>webservers<\/span>]<\/span>\r\n192.168.200.101<\/span>\r\n192.168.200.102<\/span>\r\n192.168.200.103<\/span>\r\n192.168.200.104<\/span>\r\n[<\/span>dbservers<\/span>]<\/span>\r\n192.168.201.101<\/span>\r\n192.168.201.102<\/span>\r\n[<\/span>apservers<\/span>]<\/span>\r\n192.168.202.101<\/span>\r\n192.168.202.102<\/span>\r\n<\/code><\/pre>\n
1.4. \u4e3b\u63a7\u53f0\u624b\u518c<\/h2>\n
\u5728\u6267\u884cansible-playbook\u547d\u4ee4\u65f6\u9700\u8981\u6307\u5b9a\u7684\u5c31\u662fplaybook\u3002<\/p>\n
\u4e3a\u4e86\u5c3d\u91cf\u7b80\u5316\uff0c\u6211\u4eec\u53ea\u5c06\u6bcf\u4e2a\u670d\u52a1\u5668\u89d2\u8272\u7684YAML\u6587\u4ef6\u7528\u4f5c\u5305\u542b\u3002<\/p>\n
Ansible_Dir\/site.yml \u5728\u4e2d\u6587\u4e2d\u7684\u610f\u601d\u662f”Ansible\u76ee\u5f55\/site.yml”\u3002<\/p>\n
---<\/span>\r\n-<\/span> import_playbook<\/span>:<\/span> webservers.yml<\/span>\r\n-<\/span> import_playbook<\/span>:<\/span> dbservers.yml<\/span>\r\n-<\/span> import_playbook<\/span>:<\/span> apservers.yml<\/span>\r\n<\/code><\/pre>\n
1.5. \u6309\u7167\u670d\u52a1\u5668\u89d2\u8272\u7684playbook<\/h2>\n
\u6839\u636e\u670d\u52a1\u5668\u89d2\u8272\u521b\u5efaplaybook\uff0c\u5e76\u6307\u5b9a\u8981\u5728\u6b64\u6587\u4ef6\u4e2d\u6267\u884c\u7684\u670d\u52a1\u5668\u7ec4\u4ee5\u53ca\u8981\u6267\u884c\u7684\u89d2\u8272\u3002\u5728roles\u4e2d\u6307\u5b9a\u7684common\u662f\u6307\u901a\u7528\u914d\u7f6e\u4ee5\u53ca\u7279\u5b9a\u4e8eweb\u670d\u52a1\u5668\u7684webtier\u914d\u7f6e\u3002Ansible\u7684\u89d2\u8272\u5c06\u5305\u62ecrole\u76ee\u5f55\u4e2d\u6307\u5b9a\u76ee\u5f55\u7684main.yml\uff08\u5bf9\u4e8ecommon\u89d2\u8272\u6765\u8bf4\uff0c\u662f[$Ansible_Dir\/roles\/common]\u76ee\u5f55\u4e0b\u7684main.yml\uff09\u3002<\/p>\n
$Ansible_Dir\/webservers.yml -> $\u7b54\u6848_\u76ee\u5f55\/webservers.yml<\/p>\n
---<\/span>\r\n-<\/span> hosts<\/span>:<\/span> webservers<\/span>\r\n  roles<\/span>:<\/span>\r\n    -<\/span> common<\/span>\r\n    -<\/span> webtier<\/span>\r\n<\/code><\/pre>\n
$\u4efb\u52a1\u7ba1\u7406\u5668\/\u6570\u636e\u5e93\u670d\u52a1\u5668.yml<\/p>\n
---<\/span>\r\n-<\/span> hosts<\/span>:<\/span> dbservers<\/span>\r\n  roles<\/span>:<\/span>\r\n    -<\/span> common<\/span>\r\n    -<\/span> dbtier<\/span>\r\n<\/code><\/pre>\n
$Ansible_Dir\/apservers.yml \u53ef\u4ee5\u88ab\u7ffb\u8bd1\u4e3a “Ansible\u76ee\u5f55\/apservers.yml”\u3002<\/p>\n
---<\/span>\r\n-<\/span> hosts<\/span>:<\/span> apservers<\/span>\r\n  roles<\/span>:<\/span>\r\n    -<\/span> common<\/span>\r\n    -<\/span> aptier<\/span>\r\n<\/code><\/pre>\n
1.6. role\u4e0b\u7684\u6bcf\u4e2a\u89d2\u8272<\/h2>\n
\u4efb\u52a1<\/h4>\n
\u5b9a\u4e49\u5728\u89d2\u8272(role)\u4e2d\u6267\u884c\u7684\u4efb\u52a1(tasks)\u3002\u7531role\u81ea\u52a8\u52a0\u8f7dmain.yml\u6587\u4ef6\uff0c\u5982\u679c\u60f3\u8981\u5206\u79bb\u5230\u5176\u4ed6\u6587\u4ef6\uff0c\u5219\u53ef\u4ee5\u4ecemain.yml\u4e2d\u8fdb\u884cinclude\u3002<\/p>\n
\u53e6\u5916\uff0c\u5982\u679c\u6709\u591a\u4e2a\u4efb\u52a1\u9700\u8981\u6267\u884c\uff0c\u6211\u4eec\u4f1a\u5b9a\u4e49\u53d8\u91cf\u5e76\u8fdb\u884c\u5faa\u73af\u6267\u884c\u3002<\/p>\n
\u5173\u4e8e\u53d8\u91cf\uff0c\u8bf7\u53c2\u8003\u4e0b\u6587\u4e2d\u7684\u3010vars\u3011\u3002<\/p>\n
$Ansible_Dir\/roles\/common\/tasks\/main.yml \u7684\u76ee\u5f55<\/p>\n
---<\/span>\r\n-<\/span> name<\/span>:<\/span> install yum packages<\/span>\r\n  yum<\/span>:<\/span> name={{ item }} state=latest<\/span>\r\n  notify<\/span>:<\/span> Start handler common<\/span>\r\n  with_items<\/span>:<\/span>\r\n   -<\/span> \"<\/span>{{<\/span> common_packages<\/span> }}\"<\/span>\r\n\r\n -<\/span> name<\/span>:<\/span> users exist<\/span>\r\n   user<\/span>:<\/span> name={{item.name}} state=present password={{item.password}} group={{item.group}} uid={{item.uid}} generate_ssh_key={{item.generate_ssh_key}} home={{item.home}} shell={{item.shell}} create_home={{item.create_home}}<\/span>\r\n  with_items<\/span>:<\/span> \r\n   -<\/span> \"<\/span>{{<\/span> common_users<\/span> }}\"<\/span>\r\n\r\n-<\/span> name<\/span>:<\/span> ~\/.ssh for users exsit<\/span>\r\n  file<\/span>:<\/span> path=\"\/home\/{{item.name}}\/.ssh\" state=directory owner={{item.name}} group={{item.name}} mode=0700<\/span>\r\n  with_items<\/span>:<\/span>\r\n   -<\/span> \"<\/span>{{<\/span> common_users<\/span> }}\"<\/span>\r\n\r\n-<\/span> name<\/span>:<\/span> authorized keys is deployed<\/span>\r\n  copy<\/span>:<\/span> src=\"authorized_keys_for_{{item.name}}\" dest=\"\/home\/{{item.name}}\/.ssh\/authorized_keys\" owner={{item.name}} group={{item.name}} mode=0600<\/span>\r\n  with_items<\/span>:<\/span>\r\n   -<\/span> \"<\/span>{{<\/span> common_users<\/span> }}\"<\/span>\r\n\r\n-<\/span> name<\/span>:<\/span> sudo configured<\/span>\r\n  copy<\/span>:<\/span> src=\"sudoers\" dest=\"\/etc\/sudoers\" owner=root group=root mode=0440<\/span>\r\n\r\n-<\/span> name<\/span>:<\/span> Start the ntp service<\/span>\r\n  service<\/span>:<\/span> name=ntpd state=started enabled=yes<\/span>\r\n  tags<\/span>:<\/span> ntp<\/span>\r\n\r\n-<\/span> template<\/span>:<\/span> src=templates\/ntp.conf.j2 dest=\/etc\/ntp.conf owner=root group=root mode=0644<\/span>\r\n  notify<\/span>:<\/span> restart ntp<\/span>\r\n<\/code><\/pre>\n
$Ansible_Dir\/roles\/webtier\/tasks\/main.yml \u7684\u4f4d\u7f6e\u3002<\/p>\n
---<\/span>\r\n-<\/span> name<\/span>:<\/span> install yum packages<\/span>\r\n  yum<\/span>:<\/span> name={{ item }} state=latest<\/span>\r\n  notify<\/span>:<\/span> Start handler webtier<\/span>\r\n  with_items<\/span>:<\/span>\r\n   -<\/span> \"<\/span>{{<\/span> webtier_packages<\/span> }}\"<\/span>\r\n-<\/span> name<\/span>:<\/span> httpd.conf configured<\/span>\r\n  copy<\/span>:<\/span> src=\"httpd.conf\" dest=\"\/etc\/httpd\/conf\/httpd.conf\" owner=root group=root mode=0644<\/span>\r\n<\/code><\/pre>\n
$Ansible_Dir\/roles\/dbtier\/tasks\/main.yml \u7684\u8def\u5f84<\/p>\n
---<\/span>\r\n-<\/span> name<\/span>:<\/span> install yum packages<\/span>\r\n  yum<\/span>:<\/span> name={{ item }} state=latest<\/span>\r\n  notify<\/span>:<\/span> Start handler dbtier<\/span>\r\n  with_items<\/span>:<\/span>\r\n -<\/span> \"<\/span>{{<\/span> dbtier_packages<\/span> }}\"<\/span>\r\n<\/code><\/pre>\n
$Ansible_Dir\/roles\/aptier\/tasks\/main.yml \u7684\u8def\u5f84<\/p>\n
---<\/span>\r\n-<\/span> name<\/span>:<\/span> install yum packages<\/span>\r\n  yum<\/span>:<\/span> name={{ item }} state=latest<\/span>\r\n  notify<\/span>:<\/span> Start handler aptier<\/span>\r\n  with_items<\/span>:<\/span>\r\n -<\/span> \"<\/span>{{<\/span> aptier_packages<\/span> }}\"<\/span>\r\n-<\/span> name<\/span>:<\/span> tomcat configured<\/span>\r\n  copy<\/span>:<\/span> src=\"tomcat\" dest=\"\/etc\/sysconfig\/tomcat\" owner=root group=root mode=0644<\/span>\r\n<\/code><\/pre>\n
\u9ed8\u8ba4\u8bbe\u7f6e<\/h4>\n
\u5728main.yml\u4e2d\u5b9a\u4e49\u7528\u4e8erole\u4f7f\u7528\u7684\u53d8\u91cf\u7684\u9ed8\u8ba4\u503c\u3002<\/p>\n
\u5728vars\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7group_vars\u7b49\u8986\u76d6\u53d8\u91cf\u3002<\/p>\n
\u53d8\u91cf<\/h4>\n
\u5728main.yml\u4e2d\u5b9a\u4e49\u7528\u4e8e\u89d2\u8272\u7684\u53d8\u91cf\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u6211\u4eec\u4f1a\u5728\u6b64\u5904\u5199\u5165\u6bcf\u4e2a\u73af\u5883\u7279\u5b9a\u7684\u56fa\u5b9a\u503c\u7b49\u3002\u8bf7\u6ce8\u610f\uff0c\u7531\u4e8e\u65e0\u6cd5\u5728group_vars\u7b49\u4e2d\u8986\u76d6\u53d8\u91cf\uff0c\u6240\u4ee5\u9700\u8981\u5c0f\u5fc3\u64cd\u4f5c\u3002<\/p>\n
$Ansible_Dir\/roles\/common\/vars\/main.yml\u7684\u6587\u4ef6\u8def\u5f84<\/p>\n
---<\/span>\r\ncommon_packages<\/span>:<\/span>\r\n  -<\/span> ntpd<\/span>\r\n  -<\/span> ntpdate<\/span>\r\n  -<\/span> ncompress<\/span>\r\ncommon_users<\/span>:<\/span>\r\n  -<\/span> {<\/span> name<\/span>:<\/span> opeuser<\/span>,<\/span>  password<\/span>:<\/span> \"<\/span>*****\"<\/span>,<\/span> group<\/span>:<\/span> \"<\/span>opegroup\"<\/span>,<\/span> uid<\/span>:<\/span> \"<\/span>1001\"<\/span>,<\/span> home<\/span>:<\/span> \"<\/span>\/home\/opeuser\"<\/span>,<\/span> create_home<\/span>:<\/span> \"<\/span>yes\"<\/span>,<\/span> shell<\/span>:<\/span> \"<\/span>\/bin\/bash\"<\/span>,<\/span> generate_ssh_key<\/span>:<\/span> \"<\/span>yes\"<\/span> }<\/span>\r\n<\/code><\/pre>\n
\u8bf7\u4f7f\u7528openssl\u547d\u4ee4\u8f93\u5165\u7ecf\u8fc7\u54c8\u5e0c\u5904\u7406\u7684\u5bc6\u7801\u4f5c\u4e3a\u5bc6\u7801\u3002
\n\u54c8\u5e0c\u5904\u7406\u65b9\u6cd5\u662f\u4f7f\u7528openssl passwd -l <\u660e\u6587\u5bc6\u7801>\u3002<\/p>\n
$Ansible_Dir\/roles\/webtier\/vars\/main.yml \u7684\u8def\u5f84<\/p>\n
---<\/span>\r\nwebtier_packages<\/span>:<\/span>\r\n  -<\/span> httpd<\/span>\r\n  -<\/span> httpd-tools<\/span>\r\n  -<\/span> apr<\/span>\r\n  -<\/span> apr-util<\/span>\r\n<\/code><\/pre>\n
$Ansible_Dir\/roles\/dbtier\/vars\/main.yml\u7684\u4f4d\u7f6e<\/p>\n
---<\/span>\r\ndbtier_packages<\/span>:<\/span>\r\n  -<\/span> postgresql-server<\/span>\r\n  -<\/span> postgresql-contrib<\/span>\r\n<\/code><\/pre>\n
$Ansible_Dir\/roles\/aptier\/vars\/main.yml \u53ef\u4ee5\u88ab\u7528\u4f5c Ansible \u76ee\u5f55\u4e0b aptier \u89d2\u8272\u7684\u4e3b\u8981\u53d8\u91cf\u6587\u4ef6\u3002<\/p>\n
---<\/span>\r\naptier_packages<\/span>:<\/span>\r\n  -<\/span> tomcat<\/span>\r\n  -<\/span> tomcat-el<\/span>\r\n  -<\/span> tomcat-jsp<\/span>\r\n  -<\/span> tomcat-lib<\/span>\r\n  -<\/span> tomcat-servlet<\/span>\r\n<\/code><\/pre>\n
\u6587\u4ef6<\/h4>\n
\u4f7f\u7528copy\u6a21\u5757\u5c06\u6587\u4ef6\u914d\u7f6e\u8bbe\u7f6e\u3002\u53ef\u4ee5\u662fASCII\u6216\u4e8c\u8fdb\u5236\u683c\u5f0f\u90fd\u53ef\u4ee5\u3002<\/p>\n
\u5982\u679c\u8bbe\u5b9a\u4e86\u4e0a\u8ff0\u7684\u4efb\u52a1\uff0c\u5219\u9700\u8981\u51c6\u5907\u4ee5\u4e0b\u7684\u6587\u4ef6\u3002<\/p>\n
httpd.conf\r\ntomcat\r\nauthorized_keys_for_***\r\n<\/code><\/pre>\n
\u6a21\u677f<\/h4>\n
\u5c06\u4f7f\u7528template\u6a21\u5757\u8bbe\u7f6e\u7684Jinja2\u683c\u5f0f\u7684\u6587\u672c\u6587\u4ef6\u653e\u7f6e\u5728\u6307\u5b9a\u4f4d\u7f6e\u3002
\nJinja2\u683c\u5f0f\u7684\u6587\u672c\u6587\u4ef6\u4e0efiles\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u7684\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\u5b83\u53ef\u4ee5\u5d4c\u5165\u53d8\u91cf\u3002\u8fd9\u4e9b\u53d8\u91cf\u9700\u8981\u5728\u3010default\u3011\u3010group_vars\u3011\u6216\u3010vars\u3011\u4e2d\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n
$Ansible_Dir\/roles\/common\/templates\/ntp.conf.j2 \u7684\u8def\u5f84<\/p>\n
driftfile \/var\/lib\/ntp\/drift\r\n\r\nrestrict 127.0.0.1 \r\nrestrict -6 ::1\r\n\r\nserver {{ ntpserver }}\r\n\r\nincludefile \/etc\/ntp\/crypto\/pw\r\n\r\nkeys \/etc\/ntp\/keys\r\n<\/code><\/pre>\n
\u5143\u6570\u636e<\/h4>\n
\u901a\u8fc7\u8bbe\u7f6emeta\u53ef\u4ee5\u8bbe\u7f6e\u89d2\u8272\u4e4b\u95f4\u7684\u4f9d\u5b58\u5173\u7cfb\u3002\u5728\u4f7f\u7528\u4efb\u52a1\u6267\u884c\u591a\u4e2a\u89d2\u8272\u65f6\uff0c\u901a\u8fc7\u4f9d\u5b58\u5173\u7cfb\u6765\u6307\u5b9a\u5e94\u5148\u6267\u884c\u7684\u89d2\u8272\u3002<\/p>\n
\u64cd\u4f5c\u8005<\/h4>\n
\u5728handlers\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u89e6\u53d1\u4e8b\u4ef6\u4efb\u52a1\uff08\u6bd4\u5982\u91cd\u65b0\u542f\u52a8\u670d\u52a1\uff09\u3002\u5728\u53e6\u4e00\u4e2a\u89d2\u8272\u4e2d\uff0c\u5f53\u6211\u4eec\u4fee\u6539\u4e86Apache\u914d\u7f6e\u6587\u4ef6\u4e4b\u540e\uff0c\u5e0c\u671b\u91cd\u65b0\u542f\u52a8Apache\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u6211\u4eec\u4ece\u53e6\u4e00\u4e2a\u89d2\u8272\u901a\u77e5handler\u6267\u884c\u201c\u91cd\u65b0\u542f\u52a8Apache2\u670d\u52a1\u201d\u7684\u64cd\u4f5c\uff0c\u90a3\u4e48\u5c31\u4f1a\u5f97\u5230\u671f\u671b\u7684\u884c\u4e3a\u3002<\/p>\n
$Ansible_Dir\/roles\/common\/handlers\/main.yml\u53ef\u4ee5\u8f6c\u8ff0\u4e3a\uff1a
\n$Ansible_Dir\/\u89d2\u8272\/\u5e38\u89c4\/\u5904\u7406\u7a0b\u5e8f\/\u4e3b\u8981.yml<\/p>\n
---<\/span>\r\n-<\/span> name<\/span>:<\/span> restart ntp<\/span>\r\n  service<\/span>:<\/span> name=ntpd state=restarted<\/span>\r\n  listen:restart ntp<\/span>\r\n<\/code><\/pre>\n
$Ansible_Dir\/roles\/webtier\/handlers\/main.yml \u7684\u4f4d\u7f6e\u3002<\/p>\n
---<\/span>\r\n-<\/span> name<\/span>:<\/span> restart httpd<\/span>\r\n  service<\/span>:<\/span> name=httpd state=restarted<\/span>\r\n  listen:Start handler webtier<\/span>\r\n<\/code><\/pre>\n
$Ansible_Dir\/roles\/dbtier\/handlers\/main.yml \uff1a\u5c06\u4ee5\u4e0b\u5185\u5bb9\u7528\u4e2d\u6587\u8fdb\u884c\u91cd\u8ff0\uff0c\u53ea\u9700\u63d0\u4f9b\u4e00\u79cd\u9009\u9879\uff1a
\n$Ansible_Dir\/roles\/dbtier\/handlers\/main.yml<\/p>\n
---<\/span>\r\n-<\/span> name<\/span>:<\/span> restart postgrad<\/span>\r\n  service<\/span>:<\/span> name=postgrad state=restarted<\/span>\r\n  listen:Start handler dbtier<\/span>\r\n<\/code><\/pre>\n
$Ansible_Dir\/roles\/aptier\/handlers\/main.yml\u7684\u4e2d\u6587\u7ffb\u8bd1\u4e3a\uff1a$Ansible_Dir\/roles\/aptier\/handlers\/main.yml\u3002<\/p>\n
---<\/span>\r\n-<\/span> name<\/span>:<\/span> restart tomcat<\/span>\r\n  service<\/span>:<\/span> name=tomcat state=restarted<\/span>\r\n  listen:Start handler aptier<\/span>\r\n<\/code><\/pre>\n
\u53d8\u91cf\u7ec4<\/h4>\n
\u5c06\u5171\u901a\u8bbe\u7f6e\u53d8\u91cf\u5b58\u50a8\u3002<\/p>\n
$Ansible_Dir\/inventories\/production\/group_vars\/all.yml<\/p>\n
---<\/span>\r\nntpserver<\/span>:<\/span> 192.168.1.2<\/span>\r\n<\/code><\/pre>\n
$Ansible_Dir\/inventories\/staging\/group_vars\/all.yml \u53ef\u4ee5\u88ab\u53d8\u6362\u4e3a\uff1a$Ansible_Dir\/\u5e93\u5b58\/\u6682\u5b58\/\u7fa4\u7ec4\u53d8\u91cf\/\u5168\u90e8.yml<\/p>\n
---<\/span>\r\nntpserver<\/span>:<\/span> 192.168.1.2<\/span>\r\n<\/code><\/pre>\n
\u6700\u540e<\/h2>\n
\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5f53\u5728Git\u4e0a\u63a8\u9001\u5230\u6784\u5efa\u7528\u4ed3\u5e93\u540e\uff0cJenkins\u4f1a\u6784\u5efaAnsible\u670d\u52a1\u5668\uff0c\u5e76\u4eceJenkins\u6267\u884cAnsible\u7684playbook\uff0c\u4ee5\u5b8c\u6210\u5404\u670d\u52a1\u5668\u7684\u914d\u7f6e\u3002<\/p>\n
\u5982\u679c\u53ef\u80fd\u7684\u8bdd\uff0c\u6211\u5e0c\u671b\u80fd\u591f\u81ea\u52a8\u5316\u865a\u62df\u673a\u914d\u7f6e\u3001\u64cd\u4f5c\u7cfb\u7edf\u5b89\u88c5\u548c\u5355\u5143\u6d4b\u8bd5\uff0c\u4f46\u8fd9\u53ef\u4ee5\u5728\u4ee5\u540e\u5b8c\u6210\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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