{"id":267,"date":"2017-06-26T11:15:40","date_gmt":"2017-06-26T03:15:40","guid":{"rendered":"https:\/\/blog.jsjs.org\/?p=267"},"modified":"2017-06-26T11:15:40","modified_gmt":"2017-06-26T03:15:40","slug":"ansible%e5%b0%8f%e7%bb%93%ef%bc%88%e5%85%ab%ef%bc%89ansible-playbook%e7%ae%80%e5%8d%95%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/blog.jsjs.org\/?p=267","title":{"rendered":"ansible\u5c0f\u7ed3\uff08\u516b\uff09ansible-playbook\u7b80\u5355\u4f7f\u7528"},"content":{"rendered":"

ansbile-playbook\u662f\u4e00\u7cfb\u7edfansible\u547d\u4ee4\u7684\u96c6\u5408\uff0c\u5176\u5229\u7528yaml \u8bed\u8a00\u7f16\u5199\uff0c\u8fd0\u884c\u8fc7\u7a0b\uff0cansbile-playbook\u547d\u4ee4\u6839\u636e\u81ea\u4e0a\u800c\u4e0b\u7684\u987a\u5e8f\u4f9d\u6b21\u6267\u884c\u3002\u540c\u65f6\uff0cplaybook\u5f00\u521b\u4e86\u5f88\u591a\u7279\u6027,\u5b83\u53ef\u4ee5\u5141\u8bb8\u4f60\u4f20\u8f93\u67d0\u4e2a\u547d\u4ee4\u7684\u72b6\u6001\u5230\u540e\u9762\u7684\u6307\u4ee4,\u5982\u4f60\u53ef\u4ee5\u4ece\u4e00\u53f0\u673a\u5668\u7684\u6587\u4ef6\u4e2d\u6293\u53d6\u5185\u5bb9\u5e76\u9644\u4e3a\u53d8\u91cf,\u7136\u540e\u5728\u53e6\u4e00\u53f0\u673a\u5668\u4e2d\u4f7f\u7528,\u8fd9\u4f7f\u5f97\u4f60\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e9b\u590d\u6742\u7684\u90e8\u7f72\u673a\u5236,\u8fd9\u662fansible\u547d\u4ee4\u65e0\u6cd5\u5b9e\u73b0\u7684\u3002<\/p>\n

playbook\u901a\u8fc7ansible-playbook\u547d\u4ee4\u4f7f\u7528,\u5b83\u7684\u53c2\u6570\u548cansible\u547d\u4ee4\u7c7b\u4f3c,\u5982\u53c2\u6570-k(\u2013ask-pass) \u548c -K (\u2013ask-sudo) \u6765\u8be2\u95eessh\u5bc6\u7801\u548csudo\u5bc6\u7801,-u\u6307\u5b9a\u7528\u6237,\u8fd9\u4e9b\u6307\u4ee4\u4e5f\u53ef\u4ee5\u901a\u8fc7\u89c4\u5b9a\u7684\u5355\u5143\u5199\u5728playbook \u3002ansible-playbook\u7684\u7b80\u5355\u4f7f\u7528\u65b9\u6cd5: ansible-playbook example-play.yml \u3002<\/p>\n

\u4e00\u3001\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b<\/h3>\n

\u4e0b\u9762\u7ed9\u51fa\u4e00\u4e2a\u7b80\u5355\u7684ansible-playbook\u793a\u4f8b\uff0c\u4e86\u89e3\u4e0b\u5176\u6784\u6210\u3002<\/p>\n

    \n
  1. # cat user.yml<\/span><\/li>\n
  2. –<\/span> name<\/span>:<\/span> create user<\/span><\/li>\n
  3. hosts<\/span>:<\/span> all<\/span><\/li>\n
  4. user<\/span>:<\/span> root<\/span><\/li>\n
  5. gather_facts<\/span>:<\/span> false<\/span><\/li>\n
  6. vars<\/span>:<\/span><\/li>\n
  7. –<\/span> user<\/span>:<\/span> “test”<\/span><\/li>\n
  8. tasks<\/span>:<\/span><\/li>\n
  9. –<\/span> name<\/span>:<\/span> create user<\/span><\/li>\n
  10. user<\/span>:<\/span> name<\/span>=<\/span>“{{ user }}”<\/span><\/li>\n<\/ol>\n

    \u4e0a\u9762\u7684playbook \u5b9e\u73b0\u7684\u529f\u80fd\u662f\u65b0\u589e\u4e00\u4e2a\u7528\u6237\uff1a<\/p>\n

    name\u53c2\u6570\u5bf9\u8be5playbook\u5b9e\u73b0\u7684\u529f\u80fd\u505a\u4e00\u4e2a\u6982\u8ff0\uff0c\u540e\u9762\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u6253\u5370 name\u53d8\u91cf\u7684\u503c \uff1b<\/p>\n

    hosts\u53c2\u6570\u6307\u5b9a\u4e86\u5bf9\u54ea\u4e9b\u4e3b\u673a\u8fdb\u884c\u53c2\u4f5c\uff1b<\/p>\n

    user\u53c2\u6570\u6307\u5b9a\u4e86\u4f7f\u7528\u4ec0\u4e48\u7528\u6237\u767b\u5f55\u8fdc\u7a0b\u4e3b\u673a\u64cd\u4f5c\uff1b<\/p>\n

    gather_facts\u53c2\u6570\u6307\u5b9a\u4e86\u5728\u4ee5\u4e0b\u4efb\u52a1\u90e8\u5206\u6267\u884c\u524d\uff0c\u662f\u5426\u5148\u6267\u884csetup\u6a21\u5757\u83b7\u53d6\u4e3b\u673a\u76f8\u5173\u4fe1\u606f\uff0c\u8fd9\u5728\u540e\u9762\u7684task\u4f1a\u4f7f\u7528\u5230setup\u83b7\u53d6\u7684\u4fe1\u606f\u65f6\u7528\u5230\uff1b<\/p>\n

    vars\u53c2\u6570\uff0c\u6307\u5b9a\u4e86\u53d8\u91cf\uff0c\u8fd9\u91cc\u6307\u5b57\u4e00\u4e2auser\u53d8\u91cf\uff0c\u5176\u503c\u4e3atest \uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u53d8\u91cf\u503c\u4e00\u5b9a\u8981\u7528\u5f15\u53f7\u5f15\u4f4f\uff1b<\/p>\n

    task\u6307\u5b9a\u4e86\u4e00\u4e2a\u4efb\u52a1\uff0c\u5176\u4e0b\u9762\u7684name\u53c2\u6570\u540c\u6837\u662f\u5bf9\u4efb\u52a1\u7684\u63cf\u8ff0\uff0c\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u4f1a\u6253\u5370\u51fa\u6765\u3002user\u63d0\u5b9a\u4e86\u8c03\u7528user\u6a21\u5757\uff0cname\u662fuser\u6a21\u5757\u91cc\u7684\u4e00\u4e2a\u53c2\u6570\uff0c\u800c\u589e\u52a0\u7684\u7528\u6237\u540d\u5b57\u8c03\u7528\u4e86\u4e0a\u9762user\u53d8\u91cf\u7684\u503c\u3002\u5177\u4f53\u6267\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n

      \n
    1. [<\/span>root@361way playbooks<\/span>]<\/span># ansible-playbook user.yml<\/span><\/li>\n
    2. PLAY <\/span>[<\/span>create user<\/span>]<\/span> ************************************************************<\/span><\/li>\n
    3. TASK<\/span>:<\/span> [<\/span>create user <\/span>]<\/span> **********************************************<\/span><\/li>\n
    4. changed<\/span>:<\/span> [<\/span>10.212<\/span>.<\/span>52.252<\/span>]<\/span><\/li>\n
    5. changed<\/span>:<\/span> [<\/span>10.212<\/span>.<\/span>52.14<\/span>]<\/span><\/li>\n
    6. changed<\/span>:<\/span> [<\/span>10.212<\/span>.<\/span>52.16<\/span>]<\/span><\/li>\n
    7. PLAY RECAP <\/span>********************************************************************<\/span><\/li>\n
    8. 10.212<\/span>.<\/span>52.14<\/span> :<\/span> ok<\/span>=<\/span>1<\/span> changed<\/span>=<\/span>1<\/span> unreachable<\/span>=<\/span>0<\/span> failed<\/span>=<\/span>0<\/span><\/li>\n
    9. 10.212<\/span>.<\/span>52.16<\/span> :<\/span> ok<\/span>=<\/span>1<\/span> changed<\/span>=<\/span>1<\/span> unreachable<\/span>=<\/span>0<\/span> failed<\/span>=<\/span>0<\/span><\/li>\n
    10. 10.212<\/span>.<\/span>52.252<\/span> :<\/span> ok<\/span>=<\/span>1<\/span> changed<\/span>=<\/span>1<\/span> unreachable<\/span>=<\/span>0<\/span> failed<\/span>=<\/span>0<\/span><\/li>\n<\/ol>\n

      \u540c\u6837\uff0c\u5982\u679c\u60f3\u5b9e\u73b0\u628a\u8fd9\u4e2a\u65b0\u589e\u7684\u7528\u6237\u5220\u9664\uff0c\u53ea\u9700\u5c06\u8be5playbook\u6587\u4ef6\u7684\u6700\u540e\u4e00\u884c\u66ff\u6362\u4e3a\u5982\u4e0b\u884c\u518d\u6267\u884c\u76f8\u5e94\u7684playbook\u5373\u53ef\uff1a<\/p>\n

        \n
      1. user: name=”{{ user }}” state=absent remove=yes<\/span><\/li>\n<\/ol>\n

        \u4e8c\u3001\u4e00\u952e\u4fee\u8865bash shellcode\u793a\u4f8b<\/h3>\n

        \u518d\u7ed9\u51fa\u4e00\u4e2a\u7a0d\u5fae\u590d\u6742\u7684\u793a\u4f8b\uff0c\u901a\u8fc7ansible-playbook\u5b9e\u73b0\u5bf9N\u53f0\u4e3b\u673a\u540c\u65f6\u4fee\u8865bash shellcode \u6f0f\u6d1e\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u53ef\u80fd\u73b0\u7f51\u4e3b\u673a\u5206\u5e03\u7740\u4e0d\u540c\u7684\u7cfb\u7edf\u7248\u672c\u3002\u8fd9\u91cc\u5047\u8bbe\u73b0\u7f51\u540c\u65f6\u5b58\u5728centos5\u548c6\u7248\u672c\uff0c\u5177\u4f53playbook\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n

          \n
        1. # cat update_bash.yml<\/span><\/li>\n
        2. –<\/span> hosts<\/span>:<\/span> all<\/span><\/li>\n
        3. remote_user<\/span>:<\/span> root<\/span><\/li>\n
        4. gather_facts<\/span>:<\/span> True<\/span><\/li>\n
        5. tasks<\/span>:<\/span><\/li>\n
        6. –<\/span> name<\/span>:<\/span> update bash <\/span>in<\/span> redhat <\/span>6<\/span> version<\/span><\/li>\n
        7. yum<\/span>:<\/span> name<\/span>=<\/span>http<\/span>:\/\/<\/span>mirrors<\/span>.<\/span>aliyun<\/span>.<\/span>com<\/span>\/<\/span>centos<\/span>\/<\/span>6.6<\/span>\/<\/span>os<\/span>\/<\/span>x86_64<\/span>\/<\/span>Packages<\/span>\/<\/span>bash<\/span>–<\/span>4.1<\/span>.<\/span>2<\/span>–<\/span>29.el6.x86<\/span>_64<\/span>.<\/span>rpm<\/span>.<\/span>rpm state<\/span>=<\/span>present<\/span><\/li>\n
        8. when<\/span>:<\/span> ansible_os_family <\/span>==<\/span> “RedHat”<\/span> and ansible_distribution_version<\/span>|<\/span>int <\/span>>=<\/span>6<\/span><\/li>\n
        9. –<\/span> name<\/span>:<\/span> update bash <\/span>in<\/span> redhat <\/span>5<\/span> version<\/span><\/li>\n
        10. yum<\/span>:<\/span> name<\/span>=<\/span>http<\/span>:\/\/<\/span>mirrors<\/span>.<\/span>hustunique<\/span>.<\/span>com<\/span>\/<\/span>centos<\/span>\/<\/span>5<\/span>\/<\/span>updates<\/span>\/<\/span>x86_64<\/span>\/<\/span>RPMS<\/span>\/<\/span>bash<\/span>–<\/span>3.2<\/span>–<\/span>33.el5.1<\/span>.<\/span>x86_64<\/span>.<\/span>rpm state<\/span>=<\/span>present<\/span><\/li>\n
        11. when<\/span>:<\/span> ansible_os_family <\/span>==<\/span> “RedHat”<\/span> and ansible_distribution_version<\/span>|<\/span>int <\/span><=<\/span>5<\/span><\/li>\n<\/ol>\n

          \u4e0a\u9762\u4f7f\u7528\u4e86when\u8bed\u53e5\uff0c\u540c\u65f6\u4e5f\u5f00\u542f\u4e86gather_facts setup\u6a21\u5757\uff0c\u8fd9\u91cc\u7684ansible_os_family\u53d8\u91cf\u548cansible_distribution_version\u53d8\u91cf\u5c31\u662f\u76f4\u63a5\u4f7f\u7528\u7684setup\u6a21\u5757\u83b7\u53d6\u7684\u4fe1\u606f\u3002<\/p>\n

          \u5982\u679c\u6709\u5927\u91cf\u4e3b\u673a\uff0c\u5c31\u5728\u8fd0\u884c\u7684\u65f6\u5019\u52a0\u4e0a-f\u7136\u540e\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u5e76\u53d1\u4e3b\u673a\u6570\u91cf\u5373\u53ef\uff0c\u6211\u8fd9\u91cc\u4f7f\u7528\u4e86\u8fd9\u4e2a\uff0c\u5f88\u5feb\u7684\u5c31\u5347\u7ea7\u5b8c\u6210bash\u4e86\u3002<\/p>\n

          \u4e09\u3001playbook\u7684\u6784\u6210<\/h3>\n

          playbook\u662f\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u201cplay\u201d\u7ec4\u6210\u7684\u5217\u8868\u3002play\u7684\u4e3b\u8981\u529f\u80fd\u5728\u4e8e\u5c06\u4e8b\u5148\u5f52\u5e76\u4e3a\u4e00\u7ec4\u7684\u4e3b\u673a\u88c5\u626e\u6210\u4e8b\u5148\u901a\u8fc7ansible\u4e2d\u7684task\u5b9a\u4e49\u597d\u7684\u89d2\u8272\u3002\u4ece\u6839\u672c\u4e0a\u6765\u8bb2\u6240\u8c13task\u65e0\u975e\u662f\u8c03\u7528ansible\u7684\u4e00\u4e2amodule\u3002\u5c06\u591a\u4e2aplay\u7ec4\u7ec7\u5728\u4e00\u4e2aplaybook\u4e2d\u5373\u53ef\u4ee5\u8ba9\u5b83\u4eec\u8054\u540c\u8d77\u6765\u6309\u4e8b\u5148\u7f16\u6392\u7684\u673a\u5236\u540c\u5531\u4e00\u53f0\u5927\u620f\u3002\u5176\u4e3b\u8981\u6709\u4ee5\u4e0b\u56db\u90e8\u5206\u6784\u6210<\/p>\n

            \n
          1. playbooks\u7ec4\u6210\uff1a<\/span><\/li>\n
          2. Target section\uff1a \u5b9a\u4e49\u5c06\u8981\u6267\u884c playbook \u7684\u8fdc\u7a0b\u4e3b\u673a\u7ec4<\/span><\/li>\n
          3. Variable section\uff1a \u5b9a\u4e49 playbook \u8fd0\u884c\u65f6\u9700\u8981\u4f7f\u7528\u7684\u53d8\u91cf<\/span><\/li>\n
          4. Task section\uff1a \u5b9a\u4e49\u5c06\u8981\u5728\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u6267\u884c\u7684\u4efb\u52a1\u5217\u8868<\/span><\/li>\n
          5. Handler section\uff1a \u5b9a\u4e49 task \u6267\u884c\u5b8c\u6210\u4ee5\u540e\u9700\u8981\u8c03\u7528\u7684\u4efb\u52a1<\/span><\/li>\n<\/ol>\n

            \u800c\u5176\u5bf9\u5e94\u7684\u76ee\u5f55\u5c42\u4e3a\u4e94\u4e2a\uff0c\u5982\u4e0b\uff1a<\/p>\n

              \n
            1. \u4e00\u822c\u6240\u9700\u7684\u76ee\u5f55\u5c42\u6709\uff1a(\u89c6\u60c5\u51b5\u53ef\u53d8\u5316)<\/span><\/li>\n
            2. vars \u53d8\u91cf\u5c42<\/span><\/li>\n
            3. tasks \u4efb\u52a1\u5c42<\/span><\/li>\n
            4. handlers \u89e6\u53d1\u6761\u4ef6<\/span><\/li>\n
            5. files \u6587\u4ef6<\/span><\/li>\n
            6. template \u6a21\u677f<\/span><\/li>\n<\/ol>\n

              \u4e0b\u9762\u4ecb\u7ecd\u4e0b\u6784\u6210playbook \u7684\u56db\u5c42\u7ed3\u6784\u3002<\/p>\n

              1\u3001Hosts\u548cUsers<\/h4>\n

              playbook\u4e2d\u7684\u6bcf\u4e00\u4e2aplay\u7684\u76ee\u7684\u90fd\u662f\u4e3a\u4e86\u8ba9\u67d0\u4e2a\u6216\u67d0\u4e9b\u4e3b\u673a\u4ee5\u67d0\u4e2a\u6307\u5b9a\u7684\u7528\u6237\u8eab\u4efd\u6267\u884c\u4efb\u52a1\u3002<\/p>\n

              hosts \u7528\u4e8e\u6307\u5b9a\u8981\u6267\u884c\u6307\u5b9a\u4efb\u52a1\u7684\u4e3b\u673a\u5176\u53ef\u4ee5\u662f\u4e00\u4e2a\u6216\u591a\u4e2a\u7531\u5192\u53f7\u5206\u9694\u4e3b\u673a\u7ec4\u3002<\/p>\n

              remote_user \u5219\u7528\u4e8e\u6307\u5b9a\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u7684\u6267\u884c\u4efb\u52a1\u7684\u7528\u6237\u3002
              \n\u4e0d\u8fc7remote_user\u4e5f\u53ef\u7528\u4e8e\u5404task\u4e2d\u3002\u4e5f\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u5176\u901a\u8fc7sudo\u7684\u65b9\u5f0f\u5728\u8fdc\u7a0b\u4e3b\u673a\u4e0a\u6267\u884c\u4efb\u52a1\u5176\u53ef\u7528\u4e8eplay\u5168\u5c40\u6216\u67d0\u4efb\u52a1\u3002
              \n\u6b64\u5916\u751a\u81f3\u53ef\u4ee5\u5728sudo\u65f6\u4f7f\u7528sudo_user\u6307\u5b9asudo\u65f6\u5207\u6362\u7684\u7528\u6237\u3002<\/p>\n

              \u793a\u4f8b\uff1a<\/p>\n

                \n
              1. – hosts: webnodes<\/span><\/li>\n
              2. tasks:<\/span><\/li>\n
              3. – name: test ping connection:<\/span><\/li>\n
              4. remote_user: test<\/span><\/li>\n
              5. sudo: yes<\/span><\/li>\n<\/ol>\n

                2\u3001\u4efb\u52a1\u5217\u8868\u548caction<\/h4>\n

                play\u7684\u4e3b\u4f53\u90e8\u5206\u662ftask list\u3002<\/p>\n

                task list\u4e2d\u7684\u5404\u4efb\u52a1\u6309\u6b21\u5e8f\u9010\u4e2a\u5728hosts\u4e2d\u6307\u5b9a\u7684\u6240\u6709\u4e3b\u673a\u4e0a\u6267\u884c\u5373\u5728\u6240\u6709\u4e3b\u673a\u4e0a\u5b8c\u6210\u7b2c\u4e00\u4e2a\u4efb\u52a1\u540e\u518d\u5f00\u59cb\u7b2c\u4e8c\u4e2a\u3002\u5728\u8fd0\u884c\u81ea\u4e0b\u800c\u4e0b\u67d0playbook\u65f6\u5982\u679c\u4e2d\u9014\u53d1\u751f\u9519\u8bef\u6240\u6709\u5df2\u6267\u884c\u4efb\u52a1\u90fd\u5c06\u56de\u6eda\u56e0\u6b64\u5728\u66f4\u6b63playbook\u540e\u91cd\u65b0\u6267\u884c\u4e00\u6b21\u5373\u53ef\u3002<\/p>\n

                task\u7684\u76ee\u7684\u662f\u4f7f\u7528\u6307\u5b9a\u7684\u53c2\u6570\u6267\u884c\u6a21\u5757\u800c\u5728\u6a21\u5757\u53c2\u6570\u4e2d\u53ef\u4ee5\u4f7f\u7528\u53d8\u91cf\u3002\u6a21\u5757\u6267\u884c\u662f\u5e42\u7b49\u7684\u8fd9\u610f\u5473\u7740\u591a\u6b21\u6267\u884c\u662f\u5b89\u5168\u7684\u56e0\u4e3a\u5176\u7ed3\u679c\u5747\u4e00\u81f4\u3002\u6bcf\u4e2atask\u90fd\u5e94\u8be5\u6709\u5176name\u7528\u4e8eplaybook\u7684\u6267\u884c\u7ed3\u679c\u8f93\u51fa\u5efa\u8bae\u5176\u5185\u5bb9\u5c3d\u53ef\u80fd\u6e05\u6670\u5730\u63cf\u8ff0\u4efb\u52a1\u6267\u884c\u6b65\u9aa4\u3002\u5982\u679c\u672a\u63d0\u4f9bname\u5219action\u7684\u7ed3\u679c\u5c06\u7528\u4e8e\u8f93\u51fa\u3002<\/p>\n

                \u5b9a\u4e49task\u7684\u53ef\u4ee5\u4f7f\u7528\u201caction: module options\u201d\u6216\u201cmodule: options\u201d\u7684\u683c\u5f0f\u63a8\u8350\u4f7f\u7528\u540e\u8005\u4ee5\u5b9e\u73b0\u5411\u540e\u517c\u5bb9\u3002\u5982\u679caction\u4e00\u884c\u7684\u5185\u5bb9\u8fc7\u591a\u4e5f\u4e2d\u4f7f\u7528\u5728\u884c\u9996\u4f7f\u7528\u51e0\u4e2a\u7a7a\u767d\u5b57\u7b26\u8fdb\u884c\u6362\u884c\u3002<\/p>\n

                  \n
                1. tasks:<\/span><\/li>\n
                2. – name: make sure apache is running<\/span><\/li>\n
                3. service: name=httpd state=running<\/span><\/li>\n
                4. \u5728\u4f17\u591a\u6a21\u5757\u4e2d\u53ea\u6709command\u548cshell\u6a21\u5757\u4ec5\u9700\u8981\u7ed9\u5b9a\u4e00\u4e2a\u5217\u8868\u800c\u65e0\u9700\u4f7f\u7528\u201ckey=value\u201d\u683c\u5f0f\u4f8b\u5982<\/span><\/li>\n
                5. tasks:<\/span><\/li>\n
                6. – name: disable selinux<\/span><\/li>\n
                7. command: \/sbin\/setenforce 0 \u5982\u679c\u547d\u4ee4\u6216\u811a\u672c\u7684\u9000\u51fa\u7801\u4e0d\u4e3a\u96f6\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u65b9\u5f0f\u66ff\u4ee3<\/span><\/li>\n
                8. tasks:<\/span><\/li>\n
                9. – name: run this command and ignore the result<\/span><\/li>\n
                10. shell: \/usr\/bin\/somecommand || \/bin\/true<\/span><\/li>\n
                11. \u6216\u8005\u4f7f\u7528ignore_errors\u6765\u5ffd\u7565\u9519\u8bef\u4fe1\u606f<\/span><\/li>\n
                12. tasks:<\/span><\/li>\n
                13. – name: run this command and ignore the result<\/span><\/li>\n
                14. shell: \/usr\/bin\/somecommand<\/span><\/li>\n
                15. ignore_errors: True <\/span><\/li>\n<\/ol>\n

                  3\u3001handlers<\/h4>\n

                  \u7528\u4e8e\u5f53\u5173\u6ce8\u7684\u8d44\u6e90\u53d1\u751f\u53d8\u5316\u65f6\u91c7\u53d6\u4e00\u5b9a\u7684\u64cd\u4f5c\u3002
                  \n\u201cnotify\u201d\u8fd9\u4e2aaction\u53ef\u7528\u4e8e\u5728\u6bcf\u4e2aplay\u7684\u6700\u540e\u88ab\u89e6\u53d1\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u591a\u6b21\u6709\u6539\u53d8\u53d1\u751f\u65f6\u6bcf\u6b21\u90fd\u6267\u884c\u6307\u5b9a\u7684\u64cd\u4f5c\u53d6\u800c\u4ee3\u4e4b\u4ec5\u5728\u6240\u6709\u7684\u53d8\u5316\u53d1\u751f\u5b8c\u6210\u540e\u4e00\u6b21\u6027\u5730\u6267\u884c\u6307\u5b9a\u64cd\u4f5c\u3002
                  \n\u5728notify\u4e2d\u5217\u51fa\u7684\u64cd\u4f5c\u79f0\u4e3ahandler\u4e5f\u5373notify\u4e2d\u8c03\u7528 handler\u4e2d\u5b9a\u4e49\u7684\u64cd\u4f5c\u3002<\/p>\n

                  \u6ce8\u610f\uff1a\u5728 notify \u4e2d\u5b9a\u4e49\u5185\u5bb9\u4e00\u5b9a\u8981\u548ctasks\u4e2d\u5b9a\u4e49\u7684 – name \u5185\u5bb9\u4e00\u6837\uff0c\u8fd9\u6837\u624d\u80fd\u8fbe\u5230\u89e6\u53d1\u7684\u6548\u679c\uff0c\u5426\u5219\u4f1a\u4e0d\u751f\u6548\u3002<\/p>\n

                    \n
                  1. – name: template configuration file<\/span><\/li>\n
                  2. template: src=template.j2 dest=\/etc\/foo.conf<\/span><\/li>\n
                  3. notify:<\/span><\/li>\n
                  4. – restart memcached<\/span><\/li>\n
                  5. – restart apache<\/span><\/li>\n
                  6. handler\u662ftask\u5217\u8868\u8fd9\u4e9btask\u4e0e\u524d\u8ff0\u7684task\u5e76\u6ca1\u6709\u672c\u8d28\u4e0a\u7684\u4e0d\u540c\u3002<\/span><\/li>\n
                  7. handlers:<\/span><\/li>\n
                  8. – name: restart memcached<\/span><\/li>\n
                  9. service: name=memcached state=restarted<\/span><\/li>\n
                  10. – name: restart apache<\/span><\/li>\n
                  11. service: name=apache state=restarted <\/span><\/li>\n<\/ol>\n

                    4\u3001tags<\/h4>\n

                    tags\u7528\u4e8e\u8ba9\u7528\u6237\u9009\u62e9\u8fd0\u884c\u6216\u7565\u8fc7playbook\u4e2d\u7684\u90e8\u5206\u4ee3\u7801\u3002ansible\u5177\u6709\u5e42\u7b49\u6027\u56e0\u6b64\u4f1a\u81ea\u52a8\u8df3\u8fc7\u6ca1\u6709\u53d8\u5316\u7684\u90e8\u5206\u5373\u4fbf\u5982\u6b64\u6709\u4e9b\u4ee3\u7801\u4e3a\u6d4b\u8bd5\u5176\u786e\u5b9e\u6ca1\u6709\u53d1\u751f\u53d8\u5316\u7684\u65f6\u95f4\u4f9d\u7136\u4f1a\u975e\u5e38\u5730\u957f\u3002
                    \n\u6b64\u65f6\u5982\u679c\u786e\u4fe1\u5176\u6ca1\u6709\u53d8\u5316\u5c31\u53ef\u4ee5\u901a\u8fc7tags\u8df3\u8fc7\u6b64\u4e9b\u4ee3\u7801\u7247\u65ad\u3002<\/p>\n

                    5\u3001\u793a\u4f8b<\/h4>\n

                    \u4e0b\u9762\u518d\u7ed9\u51fa\u4e00\u4e2a\u5b89\u88c5httpd web\u670d\u52a1\u7684\u793a\u4f8b\uff1a<\/p>\n

                      \n
                    1. # cat \/etc\/ansible\/playbook\/install_web.yml<\/span><\/li>\n
                    2. –<\/span> hosts<\/span>:<\/span> webservers<\/span><\/li>\n
                    3. remote_user<\/span>:<\/span> root<\/span><\/li>\n
                    4. gather_fasks<\/span>:<\/span> False<\/span><\/li>\n
                    5. vars<\/span>:<\/span><\/li>\n
                    6. packages<\/span>:<\/span> httpd<\/span><\/li>\n
                    7. tasks<\/span>:<\/span><\/li>\n
                    8. –<\/span> name<\/span>:<\/span> Install<\/span> httpd<\/span><\/li>\n
                    9. yum<\/span>:<\/span> name<\/span>={{<\/span> packages <\/span>}}<\/span> state<\/span>=<\/span>present<\/span><\/li>\n
                    10. –<\/span> name<\/span>:<\/span> Cofiguration<\/span> httpd<\/span><\/li>\n
                    11. copy<\/span>:<\/span> src<\/span>=\/<\/span>root<\/span>\/<\/span>httpd<\/span>.<\/span>conf dest<\/span>=\/<\/span>etc<\/span>\/<\/span>httpd<\/span>\/<\/span>conf<\/span>\/<\/span>httpd<\/span>.<\/span>conf<\/span><\/li>\n
                    12. tags<\/span>:<\/span> httpd_conf<\/span><\/li>\n
                    13. notify<\/span>:<\/span><\/li>\n
                    14. –<\/span> restart httpd<\/span><\/li>\n
                    15. –<\/span> name<\/span>:<\/span> Start<\/span> httpd<\/span><\/li>\n
                    16. service<\/span>:<\/span> name<\/span>=<\/span>httpd state<\/span>=<\/span>started enabled<\/span>=<\/span>no<\/span><\/li>\n
                    17. tags<\/span>:<\/span> start<\/span><\/li>\n
                    18. –<\/span> name<\/span>:<\/span>Add<\/span> centos user<\/span><\/li>\n
                    19. user<\/span>:<\/span> name<\/span>={{<\/span> item <\/span>}}<\/span> state<\/span>=<\/span>absent<\/span><\/li>\n
                    20. tags<\/span>:<\/span> adduser<\/span><\/li>\n
                    21. with_items<\/span>:<\/span><\/li>\n
                    22. –<\/span> centos<\/span><\/li>\n
                    23. –<\/span> admin<\/span><\/li>\n
                    24. handlers<\/span>:<\/span><\/li>\n
                    25. –<\/span> name<\/span>:<\/span> restart httpd<\/span><\/li>\n
                    26. service<\/span>:<\/span> name<\/span>=<\/span>httpd state<\/span>=<\/span>restart<\/span><\/li>\n<\/ol>\n

                      \u6ce8\uff1a\u4e0a\u9762\u7684\u4ee3\u7801\u6ca1\u6709\u8003\u8651ubuntu\u5e73\u53f0\uff0c\u4ec5\u4ec5\u8003\u8651centos\/redhat\u5e73\u53f0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

                      ansbile-playbook\u662f\u4e00\u7cfb\u7edfansible\u547d\u4ee4\u7684\u96c6\u5408\uff0c\u5176\u5229\u7528yaml \u8bed\u8a00\u7f16\u5199\uff0c\u8fd0\u884c\u8fc7\u7a0b\uff0cansbile-playbook\u547d\u4ee4\u6839\u636e\u81ea\u4e0a\u800c\u4e0b\u7684\u987a\u5e8f\u4f9d\u6b21\u6267\u884c\u3002\u540c\u65f6\uff0cplaybook\u5f00\u521b\u4e86\u5f88\u591a\u7279\u6027,\u5b83\u53ef\u4ee5\u5141\u8bb8\u4f60\u4f20\u8f93\u67d0\u4e2a\u547d\u4ee4\u7684\u72b6\u6001\u5230\u540e\u9762\u7684\u6307\u4ee4,\u5982\u4f60\u53ef\u4ee5\u4ece\u4e00\u53f0\u673a\u5668\u7684\u6587\u4ef6\u4e2d\u6293\u53d6\u5185\u5bb9\u5e76\u9644\u4e3a\u53d8\u91cf,\u7136\u540e\u5728\u53e6\u4e00\u53f0\u673a\u5668\u4e2d\u4f7f\u7528,\u8fd9\u4f7f\u5f97\u4f60\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e9b\u590d\u6742\u7684\u90e8\u7f72\u673a\u5236,\u8fd9\u662fansible\u547d\u4ee4\u65e0\u6cd5\u5b9e\u73b0\u7684\u3002 playbook\u901a\u8fc7ansible-playbook\u547d\u4ee4\u4f7f\u7528,\u5b83\u7684\u53c2\u6570\u548cansible\u547d\u4ee4\u7c7b\u4f3c,\u5982\u53c2\u6570-k(\u2013ask-pass) \u548c -K (\u2013ask-sudo) \u6765\u8be2\u95eessh\u5bc6\u7801\u548csudo\u5bc6\u7801,-u\u6307\u5b9a\u7528\u6237,\u8fd9\u4e9b\u6307\u4ee4\u4e5f\u53ef\u4ee5\u901a\u8fc7\u89c4\u5b9a\u7684\u5355\u5143\u5199\u5728playbook \u3002ansible-playbook\u7684\u7b80\u5355\u4f7f\u7528\u65b9\u6cd5: ansible-playbook example-play.yml \u3002 \u4e00\u3001\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b \u4e0b\u9762\u7ed9\u51fa\u4e00\u4e2a\u7b80\u5355\u7684ansible-playbook\u793a\u4f8b\uff0c\u4e86\u89e3\u4e0b\u5176\u6784\u6210\u3002 # cat user.yml – name: create user […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-267","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts\/267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=267"}],"version-history":[{"count":0,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=\/wp\/v2\/posts\/267\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jsjs.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}