{"id":44759,"date":"2023-04-27T06:23:33","date_gmt":"2023-03-16T20:25:09","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44759-2\/"},"modified":"2024-04-30T01:30:37","modified_gmt":"2024-04-29T17:30:37","slug":"44759-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44759-2\/","title":{"rendered":""},"content":{"rendered":"

\u8868\u984c\u306e\u901a\u308a\u3001Google App Engine\u4e0a\u306eGo\u30a2\u30d7\u30ea\u304b\u3089
\nGoogle Cloud Storage\u4e0a\u306e\u3042\u308b\u30d5\u30a9\u30eb\u30c0\u5185\u306e\u30c7\u30a3\u30b9\u30af\u5bb9\u91cf\u3092\u53d6\u5f97\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u307e\u3060\u3001GAE\/Go\u521d\u5fc3\u8005\u3067\u3059\u304c\u3001\u8a66\u3057\u3066\u307f\u305f\u3089\u8272\u3005\u3068\u3042\u308a\u307e\u3057\u305f\u306e\u3067\u30e1\u30e2\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n

storage\u3092\u8a66\u3059\u524d\u306b\u3001Hello World\u306a\u3069\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u8a66\u3057\u3066\u3001
\ncloud shell\u3092\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u3001storage\u3092\u4f7f\u3046\u6bb5\u968e\u306b\u306a\u3063\u3066
\ncloud shell\u3067\u30c7\u30d7\u30ed\u30a4\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002
\n\u51fa\u6765\u307e\u3057\u305f\u3002 \u53c2\u7167<\/p>\n

\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u8a66\u3057\u3066\u3044\u308b\u6642\u306f\u3001\u65e7appengine\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u3063\u3066\u3044\u3066
\ngo get \u3082\u3059\u308b\u4e8b\u304c\u306a\u304f\u3001cloud shell\u4e0a\u306b\u5fc5\u8981\u306a\u3082\u306e\u304c\u63c3\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3057\u304b\u3057\u3001storage\u3092\u4f7f\u3046\u306b\u306f\u3001 cloud.google.com\/go\/storage \u304c\u5fc5\u8981\u306b\u306a\u308a
\n\u65b0appengine\uff08 google.golang.org\/appengine \uff09\u3082\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\uff08\u591a\u5206\uff09<\/p>\n

\u672c\u683c\u7684\u306b\u958b\u767a\u3057\u3066\u3044\u304f\u305f\u3081\u306b\u306f\u3001\u65b0appengine\u306e\u65b9\u304c\u3044\u3044\u3068\u601d\u3046\u306e\u3067\u79fb\u884c\u3057\u307e\u3057\u305f\u3002
\n\u79fb\u884c\u306e\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u4e0b\u8a18\u30da\u30fc\u30b8\u3092\u53c2\u8003\u306b\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002
\nhttp:\/\/qiita.com\/pside\/items\/72337bb5ac6571b238a4<\/p>\n

\u305d\u3046\u3057\u3066\u3001\u65b0appengine\u306b\u79fb\u884c\u3059\u308b\u3068\u3001 cloud shell\u306f\u4f7f\u3048\u306a\u304f\u306a\u308a\u307e\u3059\u3002\uff08\u591a\u5206\uff09
\n\u306a\u306e\u3067\u3001 \u8ae6\u3081\u3066\u30ed\u30fc\u30ab\u30ebPC\u304b\u3089\u30c7\u30d7\u30ed\u30a4\u3057\u307e\u3059\u3002
\n\uff08\u624b\u9593\u7684\u306b\u306f\u3001\u305d\u3093\u306a\u306b\u5909\u308f\u3089\u306a\u3044\u6c17\u304c\u3057\u307e\u3059\u3002\uff09<\/p>\n

\u305d\u3093\u306a\u3053\u3093\u306a\u304c\u3042\u308a\u3001\u3044\u3088\u3044\u3088\u30b3\u30fc\u30c9\u3067\u3059\u304c<\/p>\n

import (\r\n    \"golang.org\/x\/net\/context\"\r\n\r\n    \"google.golang.org\/appengine\/log\"\r\n    \"google.golang.org\/api\/iterator\"\r\n    \"cloud.google.com\/go\/storage\"\r\n)\r\n\r\nconst bucketname = \"hoge\"\r\n\r\nfunc GetUserItemSize(c context.Context, prefix string, size *int64) {\r\n  client, err := storage.NewClient(c)\r\n  if err != nil {\r\n    log.Debugf(c, \"Failed to get client: %v\", err)\r\n    return\r\n  }\r\n\r\n  var sum int64\r\n  sum = 0\r\n  query := &storage.Query{Prefix: prefix}\r\n  bucket := client.Bucket(bucketname)\r\n  it := bucket.Objects(c, query)\r\n  for {\r\n    obj, err := it.Next()\r\n    if err == iterator.Done {\r\n      break\r\n    }\r\n    if err != nil {\r\n      log.Debugf(\"listBucket: unable to list bucket %s: %v\", bucketName, err)\r\n      return\r\n    }\r\n    log.Debugf(c, \"objAttrs %v\\n\", obj)\r\n    sum += obj.Size\r\n  }\r\n  *size = sum\r\n}\r\n<\/code><\/pre>\n
\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308a\u307e\u3057\u305f\u3002
\n\u3082\u3063\u3068\u3044\u3044\u65b9\u6cd5\u304c\u3042\u308b\u3068\u304b\u3001\u9593\u9055\u3044\u304c\u3042\u308c\u3070\u6559\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8868\u984c\u306e\u901a\u308a\u3001Google App Engine\u4e0a\u306eGo\u30a2\u30d7\u30ea\u304b\u3089 Google Cloud Storage\u4e0a\u306e […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44759","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/44759-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u8868\u984c\u306e\u901a\u308a\u3001Google App Engine\u4e0a\u306eGo\u30a2\u30d7\u30ea\u304b\u3089 Google Cloud Storage\u4e0a\u306e […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/44759-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-03-16T20:25:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T17:30:37+00:00\" \/>\n<meta name=\"author\" content=\"\u6e05, \u5b87\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6e05, \u5b87\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/44759-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/44759-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-03-16T20:25:09+00:00\",\"dateModified\":\"2024-04-29T17:30:37+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/1a6ecd3d914d22a5ac32791ffc1fbd8e\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/44759-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - 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