{"id":16570,"date":"2017-12-25T09:00:44","date_gmt":"2017-12-25T00:00:44","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=16570"},"modified":"2018-11-14T16:33:41","modified_gmt":"2018-11-14T07:33:41","slug":"aws-sdk-go-%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e3%81%a8%e3%81%8d%e3%81%ae%e6%b3%a8%e6%84%8f%e7%82%b9","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2017\/12\/25\/aws-sdk-go-%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e3%81%a8%e3%81%8d%e3%81%ae%e6%b3%a8%e6%84%8f%e7%82%b9\/","title":{"rendered":"aws-sdk-go \u3092\u4f7f\u7528\u3059\u308b\u3068\u304d\u306e\u6ce8\u610f\u70b9"},"content":{"rendered":"
\u3053\u3093\u306b\u3061\u306f\u3001\u6cb3\u91ce\u3067\u3059\u3002<\/p>\n
\u3053\u308c\u306fTECHSCORE Advent Calendar 2017<\/a> \u306e 25\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n \u6700\u8fd1\u3001Go\u8a00\u8a9e\u7528\u306eAWS SDK\u3067\u3042\u308baws-sdk-go<\/a>\u3092\u4f7f\u7528\u3057\u3066\u3001CloudWatch Logs\u306e\u30ed\u30b0\u30a4\u30d9\u30f3\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u30c4\u30fc\u30eb\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002aws-sdk-go\u3092\u672c\u683c\u7684\u306b\u4f7f\u3063\u3066\u307f\u308b\u306e\u306f\u521d\u3081\u3066\u3060\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u3044\u304f\u3064\u304b\u6c17\u306b\u306a\u3063\u305f\u3053\u3068\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n \u3044\u308d\u3044\u308d\u3068\u5b9f\u88c5\u3092\u59cb\u3081\u308b\u524d\u306b\u3001\u307e\u305a\u306f http:\/\/docs.aws.amazon.com\/sdk-for-go\/api\/aws\/<\/a><\/p>\n \u5fc5\u9808\u306a\u306e\u304c\u5024\u3068\u30dd\u30a4\u30f3\u30bf\u306e\u5909\u63db\u7528\u306e\u95a2\u6570\u7fa4\u3067\u3059\u3002<\/p>\n \u4f8b\u3048\u3070\u3001<\/p>\n \u3068\u3044\u3063\u305f\u57fa\u672c\u30c7\u30fc\u30bf\u578b\u3001Slice\u3001Map\u306b\u5bfe\u5fdc\u3057\u305f\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n \u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u898b\u308b\u3068\u3001\u96f0\u56f2\u6c17\u304c\u3064\u304b\u3081\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n \u307e\u305f\u3001\u30df\u30ea\u79d2\u3092\u6271\u3046\u305f\u3081\u306e\u95a2\u6570\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n \u6642\u523b\u3092\u6271\u3046\u69cb\u9020\u4f53\u306e aws-sdk-go\u3067\u306f\u3001\u5229\u7528\u3057\u305f\u3044API\u306e\u30e1\u30bd\u30c3\u30c9\u3054\u3068\u306bRequest,Response\u7528\u306e\u69cb\u9020\u4f53\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5168\u3066\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u3088\u3046\u306a\u30eb\u30fc\u30eb\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002 Request\u306e\u60c5\u5831\u3068\u3057\u3066 \u3053\u3053\u3067\u6c17\u306b\u306a\u308b\u306e\u306f\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u578b\u3067\u3059\u3002 \u30dd\u30a4\u30f3\u30bf\u304b\u3089\u5b9f\u4f53\u3092\u53c2\u7167\u3059\u308b\u5834\u5408\u306b\u306f\u3001panic\u304c\u8d77\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u76f4\u63a5\u30c7\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3059\u308b\u3053\u3068\u306f\u907f\u3051\u305f\u307b\u3046\u304c\u826f\u3044\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u6271\u3046\u969b\u306b\u306f\u3001 \u4f8b\u3048\u3070\u30ed\u30b0\u306b\u51fa\u529b\u3057\u305f\u3044\u5834\u5408\u3067\u3082\u3001\u5909\u63db\u95a2\u6570\u3092\u4f7f\u7528\u3057\u305f\u307b\u3046\u304c\u826f\u3044\u3067\u3059\u3002<\/p>\n \u69cb\u9020\u4f53\u306b\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u5834\u5408\u3001 \u3068\u3044\u3046\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002 \u305f\u3060\u3001Go\u3067\u306f\u500b\u5225\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u305f\u3081\u306eSetter\u306f\u898b\u304b\u3051\u306a\u3044\u306e\u3067\u9055\u548c\u611f\u304c\u3042\u308a\u307e\u3059\u3002\u69cb\u9020\u4f53\u30ea\u30c6\u30e9\u30eb\u3092\u4f7f\u7528\u3057\u3066\u66f8\u304f\u3068\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3057\u3001\u5fae\u5999\u306a\u3068\u3053\u308d\u3067\u3059\u306d\u3002<\/p>\n cloudwatchlogs\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u5185\u3067\u306f\u3001\u6642\u523b\u306e\u6271\u3044\u306f\u30df\u30ea\u79d2\u5358\u4f4d\u3067\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u5909\u63db\u7528\u306e\u95a2\u6570\u3082\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3057\u3001\u304a\u305d\u3089\u304f\u5168\u4f53\u7684\u306b\u305d\u3046\u306a\u3093\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n \u4e00\u65b9\u3001\u6a19\u6e96\u306etime\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u306f\u3001Unix\u6642\u9593\u306f\u79d2\u3068\u30ca\u30ce\u79d2\u3067\u6271\u3046\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002time.Time \u3068 int64\u306e\u5909\u63db\u95a2\u6570\u3082\u3042\u308a\u307e\u3059\u304c\u3042\u304f\u307e\u3067\u79d2\u304c\u5358\u4f4d\u306a\u306e\u3067\u3001\u305d\u306e\u307e\u307eaws-sdk-go\u306e\u4e0a\u3067\u6271\u304a\u3046\u3068\u3059\u308b\u3068\u610f\u56f3\u3057\u306a\u3044\u6642\u523b\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n \u5fc5\u305a\u3001<\/p>\n \u3092\u7d4c\u7531\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n \u5148\u7a0b\u304b\u3089\u4f55\u5ea6\u3082\u4f8b\u306b\u51fa\u3057\u3066\u3044\u307e\u3059\u304c\u3001 \u53d6\u5f97\u3057\u305f\u30ed\u30b0\u30a4\u30d9\u30f3\u30c8\u3092\u6271\u3046\u69cb\u9020\u4f53\u306e \u4f8b\u3048\u3070\u6642\u523b\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n aws-sdk-go\u3092\u4f7f\u3046\u969b\u306e\u6ce8\u610f\u70b9\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p>\n \u79c1\u306f\u3053\u306e\u8fba\u308a\u3092\u308f\u304b\u3063\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u30011\u65e5\u307b\u3069\u6642\u9593\u3092\u30e0\u30c0\u306b\u3057\u305f\u6c17\u304c\u3057\u307e\u3059\u3002<\/p>\n aws-sdk-go\u306fAWS\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u5927\u304d\u3044\u5206\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u5927\u304d\u3044\u3067\u3059\u3002\u307e\u3060\u4f7f\u3063\u3066\u3044\u306a\u3044\u30b5\u30fc\u30d3\u30b9\u3082\u3042\u308b\u306e\u3067\u3001\u4ed6\u306b\u3082\u30cf\u30de\u308b\u30dd\u30a4\u30f3\u30c8\u304c\u6709\u308b\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u306d\u3002 \u3053\u3093\u306b\u3061\u306f\u3001\u6cb3\u91ce\u3067\u3059\u3002<\/p>\n \u3053\u308c\u306fTECHSCORE Advent Calendar 2017 \u306e 25\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n \u6700\u8fd1\u3001Go\u8a00\u8a9e\u7528\u306eAWS SDK\u3067\u3042\u308baws-sdk-go\u3092\u4f7f\u7528\u3057\u3066\u3001CloudWatch Logs\u306e\u30ed\u30b0\u30a4\u30d9\u30f3\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u30c4\u30fc\u30eb\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002aws\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u76ee\u3092\u901a\u3057\u3066\u304a\u304f<\/h2>\n
github.com\/aws\/aws-sdk-go\/aws<\/code>\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u76ee\u3092\u901a\u3057\u3066\u304a\u3044\u305f\u307b\u3046\u304c\u826f\u3044\u3067\u3059\u3002\u3053\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u306f\u3001\u4fbf\u5229\u306a\u95a2\u6570\u3084\u578b\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
\n
func String(v string) *string<\/code><\/li>\n
func StringValue(v *string) string<\/code><\/li>\n<\/ul>\n
var strPtr *string\r\n\r\n\/\/ Without the SDK's conversion functions\r\nstr := \"my string\"\r\nstrPtr = &str\r\n\r\n\/\/ With the SDK's conversion functions\r\nstrPtr = aws.String(\"my string\")\r\n\r\n\/\/ Convert *string to string value\r\nstr = aws.StringValue(strPtr)<\/pre>\n
\n
func MillisecondsTimeValue(v *int64) time.Time<\/code><\/li>\n
func TimeUnixMilli(t time.Time) int64<\/code><\/li>\n<\/ul>\n
time.Time<\/code>\u3068Unix\u6642\u9593(\u30df\u30ea\u79d2)\u3092\u5909\u63db\u3059\u308b\u305f\u3081\u306e\u95a2\u6570\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u69cb\u9020\u4f53\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u30dd\u30a4\u30f3\u30bf\u578b\u304c\u591a\u7528\u3055\u308c\u3066\u3044\u308b<\/h2>\n
\n\u4f8b\u3048\u3070cloudwatchlogs.FilterLogEvents<\/code>\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
func (c *CloudWatchLogs) FilterLogEvents(input *FilterLogEventsInput) (*FilterLogEventsOutput, error)<\/code><\/p>\n
*FilterLogEventsInput<\/code>\u304c\u5fc5\u8981\u3067\u3001Response\u3068\u3057\u3066
*FilterLogEventsOutput<\/code>\u3092\u53d7\u3051\u53d6\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n\u305d\u308c\u305e\u308c\u306e\u69cb\u9020\u4f53\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\uff08\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u30bf\u30b0\u306f\u9664\u5916\u3057\u3066\u3044\u307e\u3059\uff09\u3002<\/p>\ntype FilterLogEventsInput struct {\r\n EndTime *int64\r\n FilterPattern *string\r\n Interleaved *bool\r\n Limit *int64\r\n LogGroupName *string\r\n LogStreamNames []*string\r\n NextToken *string\r\n StartTime *int64\r\n}<\/pre>\n
type FilterLogEventsOutput struct {\r\n Events []*FilteredLogEvent\r\n NextToken *string\r\n SearchedLogStreams []*SearchedLogStream\r\n}<\/pre>\n
*int64<\/code>\u3084
*string<\/code>\u3084
[]*string<\/code>\u3068\u3044\u3046\u3088\u3046\u306a\u57fa\u672c\u30c7\u30fc\u30bf\u578b\u306e\u30dd\u30a4\u30f3\u30bf\u3068\u3057\u3066\u6271\u3046\u30d5\u30a3\u30fc\u30eb\u30c9\u3070\u304b\u308a\u3067\u3059\u3002<\/p>\n
aws.String<\/code>\u3001
aws.StringValue<\/code>\u306a\u3069\u306e\u5909\u63db\u95a2\u6570\u304c\u5fc5\u9808\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
\/\/ events\u306fFilterLogEventsOutput\r\nlog.Printf(\"NextToken: %s\", aws.StringValue(events.NextToken))\r\n\/\/ \u5358\u7d14\u306a\u30c7\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u306f NextToken\u304cnil\u3060\u3063\u305f\u5834\u5408\u306bpanic\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u4ee5\u4e0b\u306f\u5b89\u5168\u3067\u306f\u306a\u3044\r\n\/\/ log.Printf(\"NextToken: %s\", *events.NextToken))<\/pre>\n
Setter\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n
Setter<\/code>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 <\/p>\n
Setter<\/code>\u306f\u3001<\/p>\n
\n
\n\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u30e1\u30bd\u30c3\u30c9\u30c1\u30a7\u30a4\u30f3\u3067\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\r\ninput := new(cloudwatchlogs.FilterLogEventsInput).\r\n SetLogGroupName(name).\r\n SetFilterPattern(\"Error\").\r\n SetLimit(10)<\/pre>\n
\r\ninput := &cloudwatchlogs.FilterLogEventsInput{\r\n LogGroupName: &name,\r\n FilterPattern: aws.String(\"Error\"),\r\n Limit: aws.Int64(10),\r\n}<\/pre>\n
\u6642\u523b\u306e\u6271\u3044\u306f\u30df\u30ea\u79d2\u5358\u4f4d<\/h2>\n
\n
func MillisecondsTimeValue(v *int64) time.Time<\/code><\/li>\n
func TimeUnixMilli(t time.Time) int64<\/code><\/li>\n<\/ul>\n
cloudwatchlogs.FilterLogEvents<\/code>\u3067\u6642\u523b\u3092\u6307\u5b9a\u3057\u3066\u30ed\u30b0\u30a4\u30d9\u30f3\u30c8\u3092\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u3001
FilterLogEventsInput<\/code>\u306e
StartTime<\/code>\u3001
EndTime<\/code>\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u3082\u5909\u63db\u95a2\u6570\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n
start := time.Now().Add(-24 * time.Hour) \/\/ 1\u65e5\u524d\r\ninput := new(cloudwatchlogs.FilterLogEventsInput).\r\n SetLogGroupName(name).\r\n SetFilterPattern(\"Error\").\r\n SetLimit(10).\r\n SetStartTime(aws.TimeUnixMilli(start)) \/\/ start.Unix() \u3060\u3068\u610f\u56f3\u3057\u306a\u3044\u6642\u523b\u306b\u306a\u3063\u3066\u3057\u307e\u3046<\/pre>\n
FilteredLogEvent<\/code>\u306f\u3053\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002
Timestamp<\/code>\u306f\u30df\u30ea\u79d2\u306a\u306e\u3067\u3001\u3053\u3061\u3089\u3082\u5909\u63db\u304c\u5fc5\u8981\u306b\u306a\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n
type FilteredLogEvent struct {\r\n EventId *string\r\n IngestionTime *int64\r\n LogStreamName *string\r\n Message *string\r\n Timestamp *int64\r\n}<\/pre>\n
for _, e := range output.Events {\r\n \/\/ \u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3059\u308b\u3068\u610f\u56f3\u3057\u306a\u3044\u6642\u523b\u306b\u306a\u3063\u3066\u3057\u307e\u3046\r\n \/\/ t := time.Unix(aws.Int64Value(e.Timestamp))\r\n\r\n t := aws.MillisecondsTimeValue(e.Timestamp)\r\n log.Printf(\"%s %s\\n\", t.Format(time.RFC3339), aws.StringValue(e.Message))\r\n}<\/pre>\n
\u307e\u3068\u3081<\/h2>\n
\n
\n\u6c17\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u3063\u305f\u3089\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u53c2\u7167\u3059\u308b\u3088\u3046\u306b\u6c17\u3092\u3064\u3051\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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