{"id":465,"date":"2022-07-19T17:29:11","date_gmt":"2022-07-19T09:29:11","guid":{"rendered":"https:\/\/frogvps.com\/?p=465"},"modified":"2022-07-19T17:29:11","modified_gmt":"2022-07-19T09:29:11","slug":"ansible-template%e6%a8%a1%e6%9d%bf%e6%96%87%e4%bb%b6%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/frogvps.com\/?p=465","title":{"rendered":"Ansible template\u6a21\u677f\u6587\u4ef6\u6559\u7a0b"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u6a21\u677f\u662f\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\uff0c\u53ef\u4ee5\u505a\u4e3a\u751f\u6210\u6587\u4ef6\u7684\u6a21\u7248\u3002\u6a21\u677f\u6587\u4ef6\u4e2d\u8fd8\u53ef\u5d4c\u5957jinja2\u8bed\u6cd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">jinja2\u8bed\u8a00<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"298\" height=\"119\" src=\"https:\/\/frogvps.com\/wp-content\/uploads\/2022\/07\/1.jpg\" alt=\"\" class=\"wp-image-466\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Jinja2 \u662f\u4e00\u4e2a\u73b0\u4ee3\u7684\uff0c\u8bbe\u8ba1\u8005\u53cb\u597d\u7684\uff0c\u4eff\u7167 Django \u6a21\u677f\u7684 Python \u6a21\u677f\u8bed\u8a00\u3002 \u5b83\u901f\u5ea6\u5feb\uff0c\u88ab\u5e7f\u6cdb\u4f7f\u7528\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e86\u53ef\u9009\u7684\u6c99\u7bb1\u6a21\u677f\u6267\u884c\u73af\u5883\u4fdd\u8bc1\u5b89\u5168\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7279\u6027<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u6c99\u7bb1\u4e2d\u6267\u884c<\/li><li>\u5f3a\u5927\u7684 HTML \u81ea\u52a8\u8f6c\u4e49\u7cfb\u7edf\u4fdd\u62a4\u7cfb\u7edf\u514d\u53d7 XSS<\/li><li>\u6a21\u677f\u7ee7\u627f<\/li><li>\u53ca\u65f6\u7f16\u8bd1\u6700\u4f18\u7684 python \u4ee3\u7801<\/li><li>\u53ef\u9009\u63d0\u524d\u7f16\u8bd1\u6a21\u677f\u7684\u65f6\u95f4<\/li><li>\u6613\u4e8e\u8c03\u8bd5\uff0c\u5f02\u5e38\u7684\u884c\u6570\u76f4\u63a5\u6307\u5411\u6a21\u677f\u4e2d\u7684\u5bf9\u5e94\u884c<\/li><li>\u53ef\u914d\u7f6e\u7684\u8bed\u6cd5<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>jinja2 \u8bed\u8a00\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\u548c\u64cd\u4f5c<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u9762\u91cf\uff0c\u5982: \u5b57\u7b26\u4e32\uff1a\u4f7f\u7528\u5355\u5f15\u53f7\u6216\u53cc\u5f15\u53f7\uff0c\u6570\u5b57\uff1a\u6574\u6570\u3001\u6d6e\u70b9\u6570<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5217\u8868\uff1a[item1, item2, \u2026]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5143\u7ec4\uff1a(item1, item2, \u2026)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u5178\uff1a{key1:value1, key2:value2, \u2026}<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e03\u5c14\u578b\uff1atrue\/false<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b97\u672f\u8fd0\u7b97\uff1a+, -, *, \/, \/\/, %, **<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u8f83\u64cd\u4f5c\uff1a==, !=, &gt;, &gt;=, &lt;, &lt;=<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u903b\u8f91\u8fd0\u7b97\uff1aand\uff0cor\uff0cnot<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d41\u8868\u8fbe\u5f0f\uff1aFor\uff0cIf\uff0cWhen<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">template<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">template\u53ef\u4ee5\u6839\u636e\u548c\u53c2\u8003\u6a21\u5757\u6587\u4ef6\uff0c\u52a8\u6001\u751f\u6210\u76f8\u7c7b\u4f3c\u7684\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">template\u6587\u4ef6\u5fc5\u987b\u5b58\u653e\u5728templates\u76ee\u5f55\u4e0b\uff0c\u5e76\u4e14\u4ee5 .j2 \u7ed3\u5c3e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">yaml\/yml \u6587\u4ef6\u9700\u548ctemplates\u76ee\u5f55\u5e73\u7ea7\uff0c\u76ee\u5f55\u7ed3\u6784\u5982\u4e0b\u793a\u4f8b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>.\/\n\u251c\u2500\u2500 temnginx.yml\n\u2514\u2500\u2500 templates\n     \u2514\u2500\u2500 nginx.conf.j2<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8303\u4f8b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5229\u7528template \u540c\u6b65nginx\u914d\u7f6e\u6587\u4ef6<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u5728templates\u76ee\u5f55\u4e0b\u521b\u5efanginx.conf.j2\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>user nginx;\nworker_processes {{ ansible_processor_vcpus }};\npid \/run\/nginx.pid;\ninclude \/etc\/nginx\/modules-enabled\/*.conf;\n\nevents {\n    worker_connections 1024;\n    multi_accept on;\n}\n\nhttp {\n    charset utf-8;\n    sendfile on;\n    tcp_nopush on;\n    tcp_nodelay on;\n    keepalive_timeout 65;\n    types_hash_max_size 2048;\n    include \/etc\/nginx\/mime.types;\n    default_type application\/octet-stream;\n\n    ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; # Dropping SSLv3, ref: POODLE\n    ssl_prefer_server_ciphers on;\n\n    access_log \/var\/log\/nginx\/access.log;\n    error_log \/var\/log\/nginx\/error.log;\n\n    gzip on;\n\n    include \/etc\/nginx\/conf.d\/*.conf;\n    include \/etc\/nginx\/sites-enabled\/*;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u5efanginx.yml\u540c\u6b65nginx\u914d\u7f6e\u6587\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>---\n#nginx.yml\n- hosts: webservers\n\n  tasks: \n    - name: Create nginx config file\n      template: src=nginx.conf.j2 dest=\/etc\/nginx\/nginx.conf    \n      notify: Restart service\n  handlers:\n    - name: Restart service\n      service: name=nginx state=restarted   <\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6267\u884c\u547d\u4ee4\u540e\uff0c\u8fdc\u7a0b\u4e3b\u673a\u914d\u7f6e\u6587\u4ef6\u7684worker_processes\u7684\u503c\u52a8\u6001\u5730\u53d8\u6210\u4e86CPU\u7684\u6838\u6570\uff08\u8fd9\u91cc\u662f4\u6838\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>worker_processes 4;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>template\u8fd8\u652f\u6301\u7b97\u6570\u8fd0\u7b97\uff0c\u4f8b\u5982\u4e0a\u8ff0\u6a21\u677f\u6587\u4ef6\u53ef\u4ee5\u5199\u6210<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>worker_processes {{ ansible_processor_vcpus+2 }};<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6d41\u7a0b\u63a7\u5236for\u548cif<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">template\u4e2d\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6d41\u7a0b\u63a7\u5236 for \u5faa\u73af\u548c if \u6761\u4ef6\u5224\u65ad\uff0c\u5b9e\u73b0\u52a8\u6001\u751f\u6210\u6587\u4ef6\u529f\u80fd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>for\u5faa\u73af<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u683c\u5f0f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{% for i in EXPR %}\n...\n{% endfor %}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{% for i in range(1,10) %}\nserver_name web{{i}};\n{% endfor %}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8303\u4f8b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u677f\u6587\u4ef6nginx2.conf.j2<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{% for port in ports %}\nlisten {{ port }}\n{% endfor %}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">playbook\u6587\u4ef6nginx2.yml<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>---\n#nginx1.yml\n- hosts: webservers\n  vars:\n    ports:\n      - 80\n      - 81\n      - 82\n  tasks:\n    - name: template config\n      template: src=nginx2.conf.j2 dest=\/tmp\/nginx2.conf<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u547d\u4ee4\u7ed3\u679c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@frog448 ~]#cat \/tmp\/nginx2.conf \nlisten 80\nlisten 81\nlisten 82<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>if \u6761\u4ef6\u5224\u65ad<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6a21\u7248\u6587\u4ef6\u4e2d\u8fd8\u53ef\u4ee5\u4f7f\u7528 if\u6761\u4ef6\u5224\u65ad\uff0c\u51b3\u5b9a\u662f\u5426\u751f\u6210\u76f8\u5173\u7684\u914d\u7f6e\u4fe1\u606f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8303\u4f8b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u677f\u6587\u4ef6nginx3.conf.j2<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{% for vhost in vhosts %}\nserver {\nlisten {{ vhost.port }};\n{% if vhost.server_name is defined %}\nserver_name {{ vhost.server_name }};\n{% endif %}\nroot {{ vhost.root }};\n}\n{% endfor %}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">playbook\u6587\u4ef6nginx3.yml<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>---\n- hosts: webservers\n  vars:\n    vhosts:\n      - port: 80\n        root: \/var\/www\/html1\/\n      - port: 81\n        server_name: frog2.com\n        root: \/var\/www\/html2\/\n      - port: 82\n        server_name: frog3.com\n        root: \/var\/www\/html3\/\n  tasks:\n    - name: Create nginx config file\n      template: src=nginx3.conf.j2 dest=\/tmp\/nginx3.conf<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u547d\u4ee4\u6267\u884c\u7ed3\u679c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;root@frog448 ~]#cat \/tmp\/nginx3.conf \nserver {\nlisten 80;\nroot \/var\/www\/html1\/;\n}\nserver {\nlisten 81;\nserver_name frog2.com;\nroot \/var\/www\/html2\/;\n}\nserver {\nlisten 82;\nserver_name frog3.com;\nroot \/var\/www\/html3\/;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6a21\u677f\u662f\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\uff0c\u53ef\u4ee5\u505a\u4e3a\u751f\u6210\u6587\u4ef6\u7684\u6a21\u7248\u3002\u6a21\u677f\u6587\u4ef6\u4e2d\u8fd8\u53ef\u5d4c\u5957jinja2\u8bed\u6cd5\u3002 jinja2\u8bed\u8a00 Jinja2 \u662f\u4e00\u4e2a\u73b0\u4ee3\u7684\uff0c\u8bbe\u8ba1\u8005\u53cb\u597d\u7684\uff0c\u4eff\u7167 Django \u6a21\u677f\u7684 Python \u6a21\u677f\u8bed\u8a00\u3002 \u5b83\u901f\u5ea6\u5feb\uff0c\u88ab\u5e7f\u6cdb\u4f7f\u7528\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e86\u53ef\u9009\u7684\u6c99\u7bb1\u6a21&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[44],"topic":[],"class_list":["post-465","post","type-post","status-publish","format-standard","hentry","category-ansible","tag-ansible"],"_links":{"self":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/465","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=465"}],"version-history":[{"count":2,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/465\/revisions"}],"predecessor-version":[{"id":468,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/465\/revisions\/468"}],"wp:attachment":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=465"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}