{"id":892,"date":"2017-03-07T22:41:47","date_gmt":"2017-03-07T14:41:47","guid":{"rendered":"https:\/\/www.ipcpu.com\/?p=892"},"modified":"2017-03-07T22:41:47","modified_gmt":"2017-03-07T14:41:47","slug":"ansible-vars","status":"publish","type":"post","link":"https:\/\/c.ipcpu.com\/2017\/03\/ansible-vars\/","title":{"rendered":"Ansible\u7ed9\u7279\u5b9a\u673a\u5668\u8bbe\u7f6e\u7279\u6b8a\u53d8\u91cf"},"content":{"rendered":"

Ansible\u7ed9\u7279\u5b9a\u673a\u5668\u8bbe\u7f6e\u7279\u6b8a\u53d8\u91cf.md<\/p>\n

\u7ecf\u5e38\u4f1a\u9047\u5230\u8fd9\u6837\u7684\u60c5\u51b5\uff0c4\u53f0\u670d\u52a1\u5668\uff0c3\u53f0\u9ad8\u914d\u7f6e\uff0c1\u53f0\u4f4e\u914d\u7f6e\uff0c\u8fd0\u884c\u540c\u6837\u7684\u7a0b\u5e8f\uff0c\u5176\u53c2\u6570\u662f\u4e0d\u4e00\u81f4\u7684\uff0c\u9700\u8981\u5355\u72ec\u7ed9\u8fd9\u4e2a\u4f4e\u914d\u7f6e\u7684\u673a\u5668\u8bbe\u5b9a\u53d8\u91cf\u3002<\/p>\n

\u4ee5nginx_procs\u4e3a\u4f8b\uff0c\u8868\u793anginx\u4e2d\u8fdb\u7a0b\u6570\u9700\u8981\u548c\u670d\u52a1\u5668CPU\u6570\u91cf\u5bf9\u5e94\u3002<\/p>\n

\u65b9\u6cd5\u4e00\u3001\u53d8\u91cf\u653e\u5165group_vars\uff0c\u4f7f\u7528if\u5224\u65ad\u670d\u52a1\u5668<\/h2>\n
  1. nginx_procs<\/span>:<\/span> <\/span>|<\/span><\/code><\/li>
  2.   <\/span>{%<\/span> <\/span>if<\/span> inventory_hostname <\/span>==<\/span> <\/span>'10.1.1.13'<\/span> <\/span>%}<\/span><\/code><\/li>
  3.         <\/span>4<\/span><\/code><\/li>
  4.   <\/span>{%<\/span> <\/span>elif<\/span>  inventory_hostname <\/span>==<\/span> <\/span>'10.1.1.14'<\/span> <\/span>%}<\/span><\/code><\/li>
  5.         <\/span>4<\/span><\/code><\/li>
  6.   <\/span>{%<\/span> <\/span>else<\/span>  <\/span>%}<\/span><\/code><\/li>
  7.         <\/span>12<\/span><\/code><\/li>
  8.   <\/span>{%<\/span> endif <\/span>%}<\/span><\/code><\/li><\/ol><\/pre>\n
    \u65b9\u6cd5\u4e8c\u3001\u53d8\u91cf\u653e\u5165host_vars\u4e2d<\/h2>\n
    \u653e\u5165host_vars<\/p>\n
    1. # cat 10.1.1.13.yaml<\/span><\/code><\/li>
    2. ---<\/span><\/code><\/li>
    3. <\/code><\/li>
    4. nginx_procs<\/span>:<\/span> <\/span>4<\/span><\/code><\/li><\/ol><\/pre>\n
      \u90a3\u4e48\u95ee\u9898\u6765\u4e86\uff0c\u540c\u65f6\u5b58\u5728group_vars\u548chost_vars\u54ea\u4e2a\u4f1a\u751f\u6548\u5462\uff1f<\/p>\n
      \u5f53\u7136\u662fhost_vars\uff0c\u56e0\u4e3a\u5b83\u7684\u63a7\u5236\u529b\u5ea6\u66f4\u7cbe\u786e\u3002<\/p>\n
      \u5168\u6587\u5b8c\u3002<\/p>\n
      \u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1aIPCPU-\u7f51\u7edc\u4e4b\u8def<\/a> » Ansible\u7ed9\u7279\u5b9a\u673a\u5668\u8bbe\u7f6e\u7279\u6b8a\u53d8\u91cf<\/a><\/p>","protected":false},"excerpt":{"rendered":"
      Ansible\u7ed9\u7279\u5b9a\u673a\u5668\u8bbe\u7f6e\u7279\u6b8a\u53d8\u91cf.md \u7ecf\u5e38\u4f1a\u9047\u5230\u8fd9\u6837\u7684\u60c5\u51b5\uff0c4\u53f0\u670d\u52a1\u5668\uff0c3\u53f0\u9ad8\u914d\u7f6e\uff0c1\u53f0\u4f4e\u914d\u7f6e\uff0c\u8fd0\u884c\u540c\u6837\u7684\u7a0b\u5e8f\uff0c\u5176\u53c2\u6570\u662f\u4e0d\u4e00\u81f4\u7684\uff0c\u9700\u8981\u5355\u72ec\u7ed9\u8fd9\u4e2a\u4f4e\u914d\u7f6e\u7684\u673a\u5668\u8bbe\u5b9a\u53d8\u91cf\u3002 \u4ee5nginx_procs\u4e3a\u4f8b\uff0c\u8868\u793anginx\u4e2d\u8fdb\u7a0b\u6570\u9700\u8981\u548c\u670d\u52a1\u5668CPU\u6570\u91cf\u5bf9\u5e94\u3002 \u65b9\u6cd5\u4e00\u3001\u53d8\u91cf\u653e\u5165group_vars\uff0c\u4f7f\u7528if\u5224\u65ad\u670d\u52a1\u5668 nginx_procs: | {% if inventory_hostname == ‘10.1.1.13’ %} 4 {% elif inventory_hostname == ‘10.1.1.14’ %} 4 {% else %} 12 {% endif %} \u65b9\u6cd5\u4e8c\u3001\u53d8\u91cf\u653e\u5165host_vars\u4e2d \u653e\u5165host_vars # cat 10.1.1.13.yaml—nginx_procs: 4 \u90a3\u4e48\u95ee\u9898\u6765\u4e86\uff0c\u540c\u65f6\u5b58\u5728group_vars\u548chost_vars\u54ea\u4e2a\u4f1a\u751f\u6548\u5462\uff1f \u5f53\u7136\u662fhost_vars\uff0c\u56e0\u4e3a\u5b83\u7684\u63a7\u5236\u529b\u5ea6\u66f4\u7cbe\u786e\u3002 \u5168\u6587\u5b8c\u3002 \u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1aIPCPU-\u7f51\u7edc\u4e4b\u8def » Ansible\u7ed9\u7279\u5b9a\u673a\u5668\u8bbe\u7f6e\u7279\u6b8a\u53d8\u91cf<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[45,17],"_links":{"self":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/892"}],"collection":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/comments?post=892"}],"version-history":[{"count":0,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/892\/revisions"}],"wp:attachment":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/media?parent=892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/categories?post=892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/tags?post=892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}