$ sam init --runtime go1.x --name positive-line-bot\n\n$ cd positive-line-bot\n\n\/\/\u4f9d\u5b58\u30e2\u30b8\u30e5\u30fc\u30eb\u7ba1\u7406\n$ go mod init line-positive-bot<\/code><\/pre>\nDynamoDB<\/h2>\n
Line\u3068\u9023\u643a\u3059\u308b\u524d\u306b\u3001
\nDynamoDB\u304b\u3089\u81ea\u52d5\u8fd4\u4fe1\u3055\u308c\u308b\u30ef\u30fc\u30c9\u3092\u53d6\u5f97\u3059\u308b\u90e8\u5206\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n
\u4e00\u89a7\u3092DynamoDB\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u53d6\u5f97\u3057\u3066\u304d\u3066\u3001
\n\u305d\u306e\u3046\u30611\u3064\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u62bd\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
type Positive struct {\n ID int `json:"ID"`\n Name string `json:"Name"`\n}\n\nfunc handler(request events.APIGatewayProxyRequest) (events.APIGatewayProxyResponse, error) {\n\n endpoint := os.Getenv("DYNAMODB_ENDPOINT")\n tableName := os.Getenv("DYNAMODB_TABLE_NAME")\n\n sess := session.Must(session.NewSession())\n config := aws.NewConfig().WithRegion("ap-northeast-1")\n if len(endpoint) > 0 {\n config = config.WithEndpoint(endpoint)\n }\n\n db := dynamodb.New(sess, config)\n\n result, err := db.Scan(&dynamodb.ScanInput{\n TableName: aws.String(tableName),\n ConsistentRead: aws.Bool(true),\n ReturnConsumedCapacity: aws.String("NONE"),\n })\n if err != nil {\n return events.APIGatewayProxyResponse{}, err\n }\n\n var positives []Positive\n\n err = dynamodbattribute.UnmarshalListOfMaps(result.Items, &positives)\n if err != nil {\n fmt.Println(err)\n return events.APIGatewayProxyResponse{}, err\n }\n\n var words []string\n for _, positive := range positives {\n words = append(words, positive.Name)\n }\n\n rand.Seed(time.Now().UnixNano())\n i := rand.Intn(len(words))\n word := words[i]\n\n return events.APIGatewayProxyResponse{\n Body: word,\n StatusCode: 200,\n }, nil\n}\n\nfunc main() {\n lambda.Start(handler)\n}<\/code><\/pre>\ntemplate.yml<\/code><\/p>\nResources:\n PositiveLineBotFunction:\n Type: AWS::Serverless::Function\n Properties:\n CodeUri: positive-line-bot\/\n Handler: positive-line-bot\n Runtime: go1.x\n Tracing: Active\n Policies:\n - arn:aws:iam::aws:policy\/AmazonDynamoDBFullAccess\n Events:\n CatchAll:\n Type: Api\n Properties:\n Path: \/positive\n Method: GET\n Environment:\n Variables:\n DYNAMODB_ENDPOINT: ''\n DYNAMODB_TABLE_NAME: 'PositiveLineBotTable'\n\n PositiveLineBotTable:\n Type: AWS::DynamoDB::Table\n Properties:\n TableName: 'PositiveLineBotTable'\n AttributeDefinitions:\n - AttributeName: 'ID'\n AttributeType: 'N'\n KeySchema:\n - AttributeName: 'ID'\n KeyType: 'HASH'\n ProvisionedThroughput:\n ReadCapacityUnits: '2'\n WriteCapacityUnits: '2'<\/code><\/pre>\nDynamoDB Local<\/h3>\n
\u3046\u307e\u304f\u3067\u304d\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u30ed\u30fc\u30ab\u30eb\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n
docker-compose.yml<\/code><\/p>\nversion: '3'\n\nservices:\n dynamodb:\n image: amazon\/dynamodb-local\n container_name: dynamodb\n ports:\n - 8000:8000<\/code><\/pre>\n\u30ed\u30fc\u30ab\u30eb\u30c6\u30b9\u30c8\u3067\u7528\u3044\u308b\u30c6\u30fc\u30d6\u30eb\u5b9a\u7fa9\u304a\u3088\u3073\u3001\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
\ntest\/positive-line-bot_table.json<\/code><\/p>\n{\n "AttributeDefinitions": [\n {\n "AttributeName": "Id",\n "AttributeType": "N"\n }\n ],\n "TableName": "PositiveLineBotTable",\n "KeySchema": [\n {\n "AttributeName": "Id",\n "KeyType": "HASH"\n }\n ],\n "ProvisionedThroughput": {\n "ReadCapacityUnits": 2,\n "WriteCapacityUnits": 2\n }\n}<\/code><\/pre>\ntest\/positive-line-bot_table_data.json<\/code><\/p>\n{\n "PositiveLineBotTable": [\n {\n "PutRequest": {\n "Item": {\n "ID": {"N": "1"},\n "Name": {"S": "test"}\n }\n }\n },\n {\n "PutRequest": {\n "Item": {\n "ID": {"N": "2"},\n "Name": {"S": "testtest"}\n }\n }\n }\n ]\n}<\/code><\/pre>\n\u30ed\u30fc\u30ab\u30eb\u30c6\u30b9\u30c8\u7528\u306e\u74b0\u5883\u5909\u6570\u3092\u8a2d\u5b9a\u3057\u307e\u3059<\/p>\n
{\n "PositiveLineBotFunction": {\n "DYNAMODB_ENDPOINT": "http:\/\/{\u30dd\u30fc\u30c8\u756a\u53f7}:8000",\n "DYNAMODB_TABLE_NAME": "PositiveLineBotTable"\n }\n}<\/code><\/pre>\nAWS CLI \u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u30c7\u30fc\u30bf\u3092\u53cd\u6620\u3057\u305f\u4e0a\u3067
\n\u5b9f\u884c\u3059\u308b\u3068\u3001\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u5024\u304c1\u3064\u30e9\u30f3\u30c0\u30e0\u3067\u8fd4\u3055\u308c\u307e\u3059<\/p>\n
$ docker-compose up -d\n\n$ aws dynamodb create-table --cli-input-json file:\/\/test\/positive-line-bot_table.json --endpoint-url http:\/\/127.0.0.1:8000\n\n$ aws dynamodb batch-write-item --request-items file:\/\/test\/positive-line-bot_table_data.json --endpoint-url http:\/\/127.0.0.1:8000\n\n$ aws dynamodb scan --table-name PositiveLineBotTable --endpoint-url http:\/\/127.0.0.1:8000\n\n$ sam local start-api --env-vars test\/env.json\u3000--profile dummy\n\n$ curl http:\/\/localhost:3000\/positive\n{"id":1,"name":"testtest"}<\/code><\/pre>\nLine\u3068\u9023\u643a\u3059\u308b<\/h2>\n
Messaging API\u3092\u5229\u7528\u3059\u308b\u306b\u306f<\/a>\u306a\u3069\u3092\u53c2\u8003\u306bLine\u5074\u306e\u8a2d\u5b9a\u884c\u3044\u307e\u3059\u3002<\/p>\n\u8a2d\u5b9a\u6642\u3001ChannelSecret\u3068\u30a2\u30af\u30bb\u30b9\u30c8\u30fc\u30af\u30f3\uff08\u30ed\u30f3\u30b0\u30bf\u30fc\u30e0\uff09\u3092\u30e1\u30e2\u3057\u307e\u3059\u3002<\/p>\n
Line\u306b\u5165\u529b\u3055\u308c\u305f\u5024\u304c\u6e21\u3063\u3066\u304f\u308b\u3088\u3046\u306b\u3001\u30b3\u30fc\u30c9\u3068template.yml\u3092\u4fee\u6b63\u3057\u307e\u3059\u3002<\/p>\n
func UnmarshalLineRequest(data []byte) (LineRequest, error) {\n var r LineRequest\n err := json.Unmarshal(data, &r)\n return r, err\n}\n\ntype LineRequest struct {\n Events []Event `json:"events"`\n Destination string `json:"destination"`\n}\n\ntype Event struct {\n Type string `json:"type"`\n ReplyToken string `json:"replyToken"`\n Source Source `json:"source"`\n Timestamp int64 `json:"timestamp"`\n Message Message `json:"message"`\n}\n\ntype Message struct {\n Type string `json:"type"`\n ID string `json:"id"`\n Text string `json:"text"`\n}\n\ntype Source struct {\n UserID string `json:"userId"`\n Type string `json:"type"`\n}\n\nfunc handler(request events.APIGatewayProxyRequest) (events.APIGatewayProxyResponse, error) {\n\n myLineRequest, err := UnmarshalLineRequest([]byte(request.Body))\n if err != nil {\n log.Fatal(err)\n }\n\n bot, err := linebot.New(\n "ChannelSecret",\n "\u30a2\u30af\u30bb\u30b9\u30c8\u30fc\u30af\u30f3\uff08\u30ed\u30f3\u30b0\u30bf\u30fc\u30e0\uff09")\n if err != nil {\n log.Fatal(err)\n }\n\n \/\/ \u4e2d\u7565\n\n var tmpReplyMessage string\n tmpReplyMessage = word\n if _, err = bot.ReplyMessage(myLineRequest.Events[0].ReplyToken, linebot.NewTextMessage(tmpReplyMessage)).Do(); err != nil {\n log.Fatal(err)\n }\n\n return events.APIGatewayProxyResponse{\n Body: word,\n StatusCode: 200,\n }, nil\n\n}<\/code><\/pre>\ntemplate.yml<\/code><\/p>\nMethod: POST<\/code><\/pre>\n\u30c7\u30d7\u30ed\u30a4<\/h2>\n
\u6700\u5f8c\u306b\u30c7\u30d7\u30ed\u30a4\u3092\u3057\u3066\u5b9f\u969b\u306b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
$ sam validate --profile my_profile --debug\n\n$ sam build --template template.yaml --profile my_profile\n\n$ sam deploy --guided --profile my_profile<\/code><\/pre>\n\u4f5c\u6210\u3055\u308c\u305fdynamoDB\u30c6\u30fc\u30d6\u30eb\u306b\u30c7\u30fc\u30bf\u3092\u5165\u308c\u305f\u72b6\u614b\u3067
\n\u8a66\u3057\u306b\u81ea\u8eab\u306e\u643a\u5e2f\u304b\u3089\u78ba\u8a8d\u3057\u305f\u3068\u3053\u308d\u7121\u4e8b\u81ea\u52d5\u8fd4\u7b54\u304c\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
![\"\"](\"\/images\/2020-04-12-positive-line-bot\/line.jpg\")
<\/p>\n
\u53c2\u8003\u30b5\u30a4\u30c8<\/h2>\n\n- AWS SAM + DynamoDB Local + Go \u3067\u59cb\u3081\u308b\u30b5\u30fc\u30d0\u30ec\u30b9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a<\/a><\/li>\n
- Lambda\u3067\u306f\u3058\u3081\u3066\u306eLINE Bot\u3092\u4f5c\u308b<\/a><\/li>\n
- [\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8]AWS SAM\u306e\u30c7\u30d7\u30ed\u30a4\u304c\u7c21\u5358\u306b\u306a\u308a\u307e\u3057\u305f<\/a><\/li>\n
- \u30aa\u30a6\u30e0\u8fd4\u3057\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8 LINE API\uff0bLambda\uff0bGo\u8a00\u8a9e(\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u5229\u7528\u306a\u3057)<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
\u3053\u3093\u306b\u3061\u306f\u3001\u95a2\u53e3\u3067\u3059\u3002 \u6700\u8fd1\u306fUber Eats\u3068Amazon\u30d5\u30ec\u30c3\u30b7\u30e5\u3092\u591a\u7528\u3057\u3066\u4ee5\u524d\u306b\u3082\u307e\u3057\u3066\u5f15\u304d\u3053\u3082\u308a\u6c17\u5473\u3067\u3059\u3002 \u4eca\u56de\u306f\u73fe\u72b6\u6240\u5c5e\u3057\u3066\u3044\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30ad\u30e3\u30c3\u30c1\u30a2\u30c3\u30d7\u7684\u610f\u5473\u5408\u3044\u3092\u8fbc\u3081\u3066\u3001 \u30dd\u30b8\u30c6\u30a3\u30d6\u306a\u30ef\u30fc\u30c9\u3092\u8fd4\u3057\u3066\u304f\u308c\u308b\u81ea\u52d5LineBot\u3092 AWS SAM\u3068DynamoDB\u3067\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002 \u96db\u5f62\u4f5c\u6210 \u307e\u305a\u306f\u96db\u5f62\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002 $ sam init –runtime go1.x […]<\/p>\n","protected":false},"author":10,"featured_media":826,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,21],"tags":[264],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/posts\/627"}],"collection":[{"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/comments?post=627"}],"version-history":[{"count":0,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/posts\/627\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/media\/826"}],"wp:attachment":[{"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/media?parent=627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/categories?post=627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/wp-json\/wp\/v2\/tags?post=627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}