{"id":755,"date":"2022-03-12T19:39:20","date_gmt":"2022-03-12T11:39:20","guid":{"rendered":"https:\/\/www.buyao007.icu\/?p=755"},"modified":"2022-03-12T19:39:21","modified_gmt":"2022-03-12T11:39:21","slug":"6-%e8%87%aa%e5%8a%a8%e5%8c%96%e8%bf%90%e7%bb%b4%e5%b7%a5%e5%85%b7-ansible-jinja2%e6%a8%a1%e6%9d%bf","status":"publish","type":"post","link":"https:\/\/www.buyao007.icu\/?p=755","title":{"rendered":"6.\u81ea\u52a8\u5316\u8fd0\u7ef4\u5de5\u5177-Ansible Jinja2\u6a21\u677f"},"content":{"rendered":"\n<p>\u5b59\u5bcc\u9633\uff0c \u6c5f\u6e56\u4eba\u79f0\u6ca1\u4eba\u79f0\u3002\u591a\u5e74\u4e92\u8054\u7f51\u8fd0\u7ef4\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u66fe\u8d1f\u8d23\u8fc7\u5b59\u5e03\u65af\u5927\u89c4\u6a21\u96c6\u7fa4\u67b6\u6784\u81ea\u52a8\u5316\u8fd0\u7ef4\u7ba1\u7406\u5de5\u4f5c\u3002\u64c5\u957fWeb\u96c6\u7fa4\u67b6\u6784\u4e0e\u81ea\u52a8\u5316\u8fd0\u7ef4\uff0c\u66fe\u8d1f\u8d23\u56fd\u5185\u67d0\u5927\u578b\u535a\u5ba2\u7f51\u7ad9\u8fd0\u7ef4\u5de5\u4f5c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">1.Ansible\u5982\u4f55\u4f7f\u7528Jinja2<\/h2>\n\n\n\n<p>\u4f7f\u7528Ansible\u7684jinja2\u6a21\u677f\u4e5f\u5c31\u662f\u4f7f\u7528template\u6a21\u5757\uff0c\u8be5\u6a21\u5757\u548ccopy\u6a21\u5757\u4e00\u6837\uff0c\u90fd\u662f\u8bb2\u6587\u4ef6\u590d\u5236\u5230\u8fdc\u7aef\u4e3b\u673a\u4e0a\u53bb\uff0c\u4f46\u662f\u533a \u522b\u5728\u4e8e\uff0ctemplate\u6a21\u5757\u53ef\u4ee5\u83b7\u53d6\u5230\u6587\u4ef6\u4e2d\u7684\u53d8\u91cf\uff0c\u800ccopy\u5219\u662f\u539f\u5c01\u4e0d\u52a8\u7684\u628a\u6587\u4ef6\u5185\u5bb9\u590d\u5236\u8fc7\u53bb\u3002\u4e4b\u524d\u6211\u4eec\u5728\u63a8\u9001rsync\u7684 backup\u811a\u672c\u65f6\uff0c\u60f3\u628a\u811a\u672c\u4e2d\u7684\u53d8\u91cf\u540d\u6539\u6210\u4e3b\u673a\u540d\uff0c\u5982\u679c\u4f7f\u7528copy\u6a21\u5757\u5219\u63a8\u9001\u8fc7\u53bb\u7684\u5c31\u662f{{ ansible_fqdn }}\uff0c\u4e0d\u53d8\uff0c\u5982\u679c \u4f7f\u7528template\uff0c\u5219\u4f1a\u53d8\u6210\u5bf9\u5e94\u7684\u4e3b\u673a\u540d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">2.Ansible Jinja2\u6a21\u677f\u4f7f\u7528<\/h2>\n\n\n\n<p><strong>1.<em>Jinja\u6a21\u677f\u57fa\u672c\u8bed\u6cd5<\/em><\/strong><\/p>\n\n\n\n<p>{{ EXPR }}\u8f93\u51fa\u53d8\u91cf\u503c\uff0c\u4f1a\u8f93\u51fa\u81ea\u5b9a\u4e49\u7684\u53d8\u91cf\u503c\u6216facts<br>1)playbook\u6587\u4ef6\u4f7f\u7528template\u6a21\u5757<br>2)\u6a21\u677f\u6587\u4ef6\u91cc\u9762\u53d8\u91cf\u4f7f\u7528{{\u540d\u79f0}}\uff0c\u6bd4\u5982{{PORT}}\u6216\u4f7f\u7528facts<\/p>\n\n\n\n<p><strong><em>2.Jinja2\u6a21\u677f\u903b\u8f91\u8868\u8fbe\u5f0f<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u5faa\u73af\u8868\u8fbe\u5f0f\r\n{% for i in EXPR %}\r\n\u2026\u2026\r\n{% endfor %}\r\n#\u6761\u4ef6\u5224\u65ad\r\n{% if EXPR %}\r\n\u2026\u2026\r\n{% elif EXPR %}\r\n\u2026\u2026\r\n{% else %}\r\n\u2026\u2026\r\n{% endif %}\r\n#\u6ce8\u91ca\r\n{# COMMENT #}\r\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">3.ansible_jinja2\u6a21\u677f\u4f7f\u7528\u793a\u4f8b<\/h2>\n\n\n\n<p><strong><em>1.jinja\u6a21\u677f\u57fa\u672c\u7528\u6cd5<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>##\u7f16\u8f91playbook\r\n&#91;root@mb01 ~]# cat mode.yml\r\n---\r\n- name: mode\r\n  hosts: 172.16.1.7\r\n  tasks:\r\n  - name: mode\r\n    template:\r\n      src: \/root\/mode\r\n      dest: \/etc\/motd\r\n##\u7f16\u8f91\u6a21\u677f\r\n&#91;root@mb01 ~]# cat mode\r\nWelcome to {{ ansible_fqdn }}\r\nThis system total mem is : {{ ansible_memtotal_mb }} MB\r\nThis system free mem is: {{ ansible_memfree_mb }} MB\r<\/code><\/pre>\n\n\n\n<p><strong><em>2.Jinja\u5faa\u73af<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>#\u6a21\u677f\u5b9a\u4e49\u9636\u6bb5<\/strong>\r\n&#91;root@mb01 ~]# cat mode\r\n{% for host in range(7,8) %}\r\n server  172.16.1.{{ host }}:80\r\n{% endfor %}\r\n<strong>#\u6a21\u677f\u8c03\u7528\u9636\u6bb5<\/strong>\r\n&#91;root@mb01 ~]# cat mode.yml\r\n---\r\n- name: mode\r\n  hosts: 172.16.1.7\r\n  tasks:\r\n  - name: mode\r\n    template:\r\n      src: \/root\/mode\r\n      dest: \/opt\/motd\r\n<strong>#\u88ab\u63a7\u7aef\u7ed3\u679c<\/strong>\r\n&#91;root@web01 ~]# cat \/opt\/motd \r\nserver  172.16.1.7:80\r\nserver  172.16.1.8:80\r\n<strong>#\u5faa\u73af\u65f6\u8981\u6709&#91; ]\u4e2d\u95f4\u7528\u9017\u53f7\u5206\u5272\uff0c\u6ce8\u610f\u8981\u52a0\u5f15\u53f7\uff0c\u4e0d\u52a0\u5f15\u53f7\u4f1a\u89e3\u6790\u4e3a\u503c<\/strong>\r\n&#91;root@mb01 ~]# cat mode\r\n{% for host in &#91;'group','sweb','saal'] %}\r\n{ server  172.16.1.{{ host }}:80 }\r\n{% endfor %}\r\n<strong>#\u52a0\u5f15\u53f7\u7684\u7ed3\u679c<\/strong>\r\n&#91;root@web01 ~]# cat \/opt\/motd \r\n{ server  172.16.1.group:80 }\r\n{ server  172.16.1.sweb:80 }\r\n{ server  172.16.1.saal:80 }\r\n<strong>#\u4e0d\u52a0\u5f15\u53f7<\/strong>\r\n&#91;root@mb01 ~]# vim mode\r\n{% for host in &#91;group,'sweb','saal'] %}\r\n{ server  172.16.1.{{ host }}:80 }\r\n{% endfor %}\r\n<strong>#\u7ed3\u679c<\/strong>\r\n&#91;root@web01 ~]# cat \/opt\/motd \r\n{ server  172.16.1.123:80 }\r\n{ server  172.16.1.sweb:80 }\r\n{ server  172.16.1.saal:80 }\r<\/code><\/pre>\n\n\n\n<p><strong><em>3.jinja\u5224\u65ad<\/em><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><strong>#\u914d\u7f6e\u6587\u4ef6\u7f16\u8f91\u9636\u6bb5<\/strong>\r\n&#91;root@mb01 ~]# cat keepalived.conf\r\nglobal_defs {\r\n  router_id {{ ansible_fqdn }}\r\n}\r\nvrrp_instance VI_1 {\r\n{% if ansible_fqdn == \"web01\" %}\r\n     istate MASTER\r\n     priority 150\r\n{% else %}#####################\u6b64\u5904\u53ef\u4ee5\u7528elif\u7ee7\u7eed\u5224\u65adelif ansible_fqdn == \"web02\"\r\n    state BACKUP\r\n    priority 100\r\n{% endif %}\r\n   interface eth0\r\n   virtual_router_id 50\r\n   advert_int 1\r\n   authentication {\r\n     auth_type PASS\r\n     auth_pass 1111\r\n}\r\n  virtual_ipaddress {\r\n   10.0.0.3\r\n}\r\n}\r\n<strong>\u8c03\u7528\u9636\u6bb5<\/strong>\r\n&#91;root@mb01 ~]# cat mode.yml\r\n---\r\n- name: mode\r\n  hosts: webs\r\n  tasks:\r\n  - name: mode\r\n    template:\r\n      src: \/root\/keepalived.conf\r\n      dest: \/opt\/motd\r\n<strong>#web01\u67e5\u770b\u7ed3\u679c<\/strong>\r\n&#91;root@web01 ~]# cat \/opt\/motd \r\nglobal_defs {\r\n  router_id web01\r\n}\r\nvrrp_instance VI_1 {\r\n     istate MASTER\r\n     priority 150\r\n   interface eth0\r\n   virtual_router_id 50\r\n   advert_int 1\r\n   authentication {\r\n     auth_type PASS\r\n     auth_pass 1111\r\n}\r\n  virtual_ipaddress {\r\n   10.0.0.3\r\n}\r\n}\r<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5b59\u5bcc\u9633\uff0c \u6c5f\u6e56\u4eba\u79f0\u6ca1\u4eba\u79f0\u3002\u591a\u5e74\u4e92\u8054\u7f51\u8fd0\u7ef4\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u66fe\u8d1f\u8d23\u8fc7\u5b59\u5e03\u65af\u5927\u89c4\u6a21\u96c6\u7fa4\u67b6\u6784\u81ea\u52a8\u5316\u8fd0\u7ef4\u7ba1\u7406\u5de5\u4f5c\u3002\u64c5\u957fWeb\u96c6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"_links":{"self":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/755"}],"collection":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=755"}],"version-history":[{"count":1,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/755\/revisions"}],"predecessor-version":[{"id":757,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/755\/revisions\/757"}],"wp:attachment":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}