{"id":48624,"date":"2022-10-31T19:24:58","date_gmt":"2023-08-13T12:53:23","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e4%bd%bf%e7%94%a8terraform%e5%88%9b%e5%bb%baec2%e6%97%b6%ef%bc%8c%e5%a6%82%e6%9e%9c%e6%83%b3%e8%a6%81%e5%9c%a8%e5%88%9d%e6%ac%a1%e5%90%af%e5%8a%a8%e6%97%b6%e6%89%a7%e8%a1%8c%e8%84%9a\/"},"modified":"2024-04-28T22:20:37","modified_gmt":"2024-04-28T14:20:37","slug":"%e5%9c%a8%e4%bd%bf%e7%94%a8terraform%e5%88%9b%e5%bb%baec2%e6%97%b6%ef%bc%8c%e5%a6%82%e6%9e%9c%e6%83%b3%e8%a6%81%e5%9c%a8%e5%88%9d%e6%ac%a1%e5%90%af%e5%8a%a8%e6%97%b6%e6%89%a7%e8%a1%8c%e8%84%9a","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e4%bd%bf%e7%94%a8terraform%e5%88%9b%e5%bb%baec2%e6%97%b6%ef%bc%8c%e5%a6%82%e6%9e%9c%e6%83%b3%e8%a6%81%e5%9c%a8%e5%88%9d%e6%ac%a1%e5%90%af%e5%8a%a8%e6%97%b6%e6%89%a7%e8%a1%8c%e8%84%9a\/","title":{"rendered":"\u5728\u4f7f\u7528Terraform\u521b\u5efaEC2\u65f6\uff0c\u5982\u679c\u60f3\u8981\u5728\u521d\u6b21\u542f\u52a8\u65f6\u6267\u884c\u811a\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528User Data\u5b57\u6bb5\u6765\u8fdb\u884c\u8bbe\u7f6e"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>\u53ef\u4ee5\u5728Terraform\u6587\u4ef6\u4e2d\u5b9a\u4e49EC2\u7684\u7b2c\u4e00\u6b21\u542f\u52a8\u65f6\u4f7f\u7528\u7684\u7528\u6237\u6570\u636e\uff08User Data\uff09\uff0c\u5e76\u4e14\u53ef\u4ee5\u5c06\u81ea\u5b9a\u4e49\u7684Shell\u811a\u672c\u6587\u4ef6\u5b9a\u4e49\u4e3a\u7528\u6237\u6570\u636e\uff0c\u5e76\u5f15\u7528\u8be5\u6587\u4ef6\u3002<\/p>\n<p>\u8981\u5c06Terraform\u7684\u73af\u5883\u53d8\u91cf\u4f20\u9012\u7ed9Shell\u811a\u672c\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u636e\u6e90\u3002<br \/>\n\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u6765\u81eaTerraform\u73af\u5883\u53d8\u91cf\u7684S3\u3001EFS\u6216ECR\u7684\u4fe1\u606f\u4f20\u9012\u7ed9Shell\u811a\u672c\u3002<\/p>\n<p>\u672c\u6b21\uff0c\u6211\u5011\u5c07Shell\u8173\u672c\u6587\u4ef6\u653e\u7f6e\u5728\u7528\u6236\u6578\u64da(User Data)\u4e2d\uff0c\u4e26\u5f9eTerraform\u7684\u74b0\u5883\u8b8a\u91cf\u4e2d\u5c07\u6876\u540d(Bucket Name)\u548c\u5c0d\u8c61\u540d\u7a31(Object Name)\u50b3\u905e\u7d66\u8a72\u8173\u672c\u3002<\/p>\n<p>\u6211\u5011\u5c07\u901a\u904e\u653e\u7f6e\u5728\u7528\u6236\u6578\u64da(User Data)\u4e2d\u7684\u8173\u672c\uff0c\u4ecb\u7d39\u5982\u4f55\u5f9eS3\u4e0b\u8f09\u6587\u4ef6\u5230EC2\u4e0a\u7684\u65b9\u6cd5\u3002<\/p>\n<h2>\u521b\u5efa\u6587\u4ef6<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">variables.tf<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">main.tf<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">script.sh<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">outputs.tf<\/ul>\n<h3>variables.tf \u7684\u610f\u601d\u662f\u53d8\u91cf\u8bbe\u7f6e\u6587\u4ef6\u3002<\/h3>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">variable<\/span> <span class=\"s2\">\"ami\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">description<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"Amazon Machine Image ID\"<\/span>\r\n  <span class=\"nx\">type<\/span>        <span class=\"p\">=<\/span> <span class=\"nx\">string<\/span>\r\n  <span class=\"nx\">default<\/span>     <span class=\"p\">=<\/span> <span class=\"s2\">\"ami-xxxxxxxxxxxxxxxx\"<\/span> <span class=\"c1\"># Replace with your actual AMI ID<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">variable<\/span> <span class=\"s2\">\"InstanceType\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">description<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"EC2 instance type\"<\/span>\r\n  <span class=\"nx\">type<\/span>        <span class=\"p\">=<\/span> <span class=\"nx\">string<\/span>\r\n  <span class=\"nx\">default<\/span>     <span class=\"p\">=<\/span> <span class=\"s2\">\"t2.micro\"<\/span> <span class=\"c1\"># Replace with your desired instance type<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">variable<\/span> <span class=\"s2\">\"az\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">description<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"Availability Zone\"<\/span>\r\n  <span class=\"nx\">type<\/span>        <span class=\"p\">=<\/span> <span class=\"nx\">string<\/span>\r\n  <span class=\"nx\">default<\/span>     <span class=\"p\">=<\/span> <span class=\"s2\">\"us-east-1a\"<\/span> <span class=\"c1\"># Replace with your desired availability zone<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">variable<\/span> <span class=\"s2\">\"subnets\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">description<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"List of subnet IDs\"<\/span>\r\n  <span class=\"nx\">type<\/span>        <span class=\"p\">=<\/span> <span class=\"nx\">list<\/span><span class=\"p\">(<\/span><span class=\"nx\">string<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"nx\">default<\/span>     <span class=\"p\">=<\/span> <span class=\"p\">[<\/span><span class=\"s2\">\"subnet-xxxxxxxxxxxxxxxx\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"subnet-yyyyyyyyyyyyyyyy\"<\/span><span class=\"p\">]<\/span> <span class=\"c1\"># Replace with your subnet IDs<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">variable<\/span> <span class=\"s2\">\"security_groups\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">description<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"List of security group IDs\"<\/span>\r\n  <span class=\"nx\">type<\/span>        <span class=\"p\">=<\/span> <span class=\"nx\">list<\/span><span class=\"p\">(<\/span><span class=\"nx\">string<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"nx\">default<\/span>     <span class=\"p\">=<\/span> <span class=\"p\">[<\/span><span class=\"s2\">\"sg-xxxxxxxxxxxxxxxx\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"sg-yyyyyyyyyyyyyyyy\"<\/span><span class=\"p\">]<\/span> <span class=\"c1\"># Replace with your security group IDs<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">variable<\/span> <span class=\"s2\">\"key_name\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">description<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"SSH key pair name\"<\/span>\r\n  <span class=\"nx\">type<\/span>        <span class=\"p\">=<\/span> <span class=\"nx\">string<\/span>\r\n  <span class=\"nx\">default<\/span>     <span class=\"p\">=<\/span> <span class=\"s2\">\"your-key-pair\"<\/span> <span class=\"c1\"># Replace with your key pair name<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">variable<\/span> <span class=\"s2\">\"bucket_name\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">description<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"BucketName\"<\/span>\r\n  <span class=\"nx\">type<\/span>        <span class=\"p\">=<\/span> <span class=\"nx\">string<\/span>\r\n  <span class=\"nx\">default<\/span>     <span class=\"p\">=<\/span> <span class=\"s2\">\"common-storage\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n \r\n<span class=\"k\">variable<\/span> <span class=\"s2\">\"s3_file_name\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">description<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"s3 file name to download\"<\/span>\r\n  <span class=\"nx\">type<\/span>        <span class=\"p\">=<\/span> <span class=\"nx\">string<\/span>\r\n  <span class=\"nx\">default<\/span>     <span class=\"p\">=<\/span> <span class=\"s2\">\"object1\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h3>\u4e3b.tf<\/h3>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">data<\/span> <span class=\"s2\">\"template_file\"<\/span> <span class=\"s2\">\"user_data\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">template<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"<\/span><span class=\"k\">${<\/span><span class=\"nx\">file<\/span><span class=\"p\">(<\/span><span class=\"s2\">\".\/script.sh\"<\/span><span class=\"p\">)<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span>\r\n  <span class=\"c1\">#template = \"${file(\"${path.module}\/script.sh\")}\" # \u5fc5\u8981\u306b\u5fdc\u3058\u3066module\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u5bfe\u3057\u3001shell\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u5b58\u5728\u3059\u308b\u30d1\u30b9\u3092\u5909\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/span>\r\n  <span class=\"nx\">vars<\/span> <span class=\"p\">=<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nx\">bucket_name<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"<\/span><span class=\"k\">${<\/span><span class=\"kd\">var<\/span><span class=\"p\">.<\/span><span class=\"nx\">bucket_name<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span>\r\n      <span class=\"nx\">s3_file_name<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"<\/span><span class=\"k\">${<\/span><span class=\"kd\">var<\/span><span class=\"p\">.<\/span><span class=\"nx\">s3_file_name<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span>\r\n \r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n \r\n<span class=\"k\">resource<\/span> <span class=\"s2\">\"aws_instance\"<\/span> <span class=\"s2\">\"ec2\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"c1\">#ami                         = var.ami<\/span>\r\n  <span class=\"c1\">#instance_type               = var.InstanceType<\/span>\r\n  <span class=\"c1\">#availability_zone           = var.az<\/span>\r\n  <span class=\"c1\">#subnet_id                   = var.subnets<\/span>\r\n  <span class=\"c1\">#vpc_security_group_ids      = var.security_groups<\/span>\r\n  <span class=\"c1\">#key_name                    = var.key_name<\/span>\r\n  <span class=\"c1\">#\u305d\u306e\u305f\u306eattributes<\/span>\r\n  <span class=\"nx\">user_data<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"<\/span><span class=\"k\">${data<\/span><span class=\"p\">.<\/span><span class=\"nx\">template_file<\/span><span class=\"p\">.<\/span><span class=\"nx\">user_data<\/span><span class=\"p\">.<\/span><span class=\"nx\">rendered<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>script.sh \u7684\u4e2d\u6587\u610f\u601d\u662f\u201c\u811a\u672c.sh\u201d\u3002<\/h3>\n<pre class=\"post-pre\"><code><span class=\"c\">#\u305d\u306e\u4ed6\u306e\u30b3\u30fc\u30c9<\/span>\r\naws s3 <span class=\"nb\">cp <\/span>s3:\/\/<span class=\"k\">${<\/span><span class=\"nv\">bucket_name<\/span><span class=\"k\">}<\/span>\/<span class=\"k\">${<\/span><span class=\"nv\">s3_file_name<\/span><span class=\"k\">}<\/span> <span class=\"nb\">.<\/span>          <span class=\"c\">#aws s3 cp s3:\/\/\u30d0\u30b1\u30c3\u30c8\u540d\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d \/\u4fdd\u5b58\u5148\u3092\u6307\u5b9a\u3059\u308b\uff08\u4f8b\uff1a\/s3\/bucket\uff09\u4eca\u56de\u306f\u4fdd\u5b58\u5148\".\"\u306b\u3057\u307e\u3057\u305f\u306e\u3067\u3001ec2-user\u306e\u30db\u30fc\u30e0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306bS3\u30d5\u30a1\u30a4\u30eb\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u307e\u3059\u3002<\/span>\r\n<span class=\"c\">#\u305d\u306e\u4ed6\u306e\u30b3\u30fc\u30c9<\/span>\r\n\r\n<\/code><\/pre>\n<h3>\u5176\u8f93\u51fa.tf<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">output<\/span> <span class=\"s2\">\"public_ip_of_ec2\"<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">description<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"public ip of ec2\"<\/span>\r\n  <span class=\"nx\">value<\/span> <span class=\"p\">=<\/span> <span class=\"s2\">\"<\/span><span class=\"k\">${<\/span><span class=\"nx\">aws_instance<\/span><span class=\"p\">.<\/span><span class=\"nx\">ec2<\/span><span class=\"p\">.<\/span><span class=\"nx\">public_ip<\/span><span class=\"k\">}<\/span><span class=\"s2\">\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h2>\u8bb2\u89e3<\/h2>\n<p>data &#8220;template_file&#8221; &#8220;user_data&#8221; \u5757\u7528\u4e8e\u4f7f\u7528Terraform\u4e2d\u5b9a\u4e49\u7684\u53d8\u91cf\u548c\u8d44\u6e90\u503c\u6765\u751f\u6210\u6a21\u677f\u6587\u4ef6\u3002\u5177\u4f53\u800c\u8a00\uff0c\u8fd9\u4e2a\u6570\u636e\u6e90\u4f1a\u8bfb\u53d6\u88ab template \u5c5e\u6027\u6307\u5b9a\u7684\u6a21\u677f\u6587\u4ef6\uff08\u5728\u8fd9\u91cc\u662f script.sh\uff09\uff0c\u5e76\u5c06\u5176\u4e2d\u7684\u53d8\u91cf\uff08\u4f8b\u5982\uff1a${var.bucket_name}\u548c${var.s3_file_name}\uff09\u66ff\u6362\u4e3aTerraform\u53d8\u91cf\u3002<br \/>\nvars \u5757\u7528\u4e8e\u6307\u5b9a\u6a21\u677f\u5185\u5bf9\u5e94\u7684Terraform\u53d8\u91cf\u503c\u3002\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cbucket_name \u548c s3_file_name \u5bf9\u5e94\u4e8e\u8fd9\u4e9b\u53d8\u91cf\u3002<br \/>\n\u5177\u4f53\u7528\u6cd5\u662f\uff0c\u5728 resource &#8220;aws_instance&#8221; &#8220;ec2&#8221; \u5757\u4e2d\u5f15\u7528 user_data \u5c5e\u6027\u4f5c\u4e3a\u8fd9\u4e2a\u6570\u636e\u6e90\u7684\u53c2\u8003\u3002\u8fd9\u6837\uff0c\u5728\u542f\u52a8EC2\u5b9e\u4f8b\u65f6\uff0cUser Data \u4f1a\u4ee5\u5d4c\u5165Terraform\u53d8\u91cf\u7684\u5f62\u5f0f\u63d0\u4f9b\u7ed9\u6a21\u677f\u6587\u4ef6 script.sh\u3002<br \/>\n\u7b80\u800c\u8a00\u4e4b\uff0cdata &#8220;template_file&#8221; \u662f\u4f7f\u7528Terraform\u53d8\u91cf\u751f\u6210\u6587\u4ef6\u5e76\u5728\u5176\u4ed6\u8d44\u6e90\u4e2d\u4f7f\u7528\u7684\u529f\u80fd\u3002<br \/>\n\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u8003data-sources\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">variables.tf: \u304a\u4f7f\u3044\u306e\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u5fc5\u8981\u306a\u5909\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">main.tf: template_file\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001Shell\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u5909\u6570\u3092\u57cb\u3081\u8fbc\u307f\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">script.sh: S3\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308bShell\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">outputs.tf: 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