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@tcsh(Hirokazu HATANO)

[JAWS-UG CLI] API Gateway: #3 RestAPIの作成(slack-echo-command)

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前提条件

API Gatewayへの権限

API Gatewayに対してフル権限があること。

Lambdaへの権限

Lambdaに対してフル権限があること。

AWS CLI

以下のバージョンで動作確認済

  • AWS CLI 1.10.58
コマンド
aws --version
結果(例)

      aws-cli/1.10.58 Python/2.7.11 Darwin/15.6.0 botocore/1.4.48

0. 準備

0.1. リージョンの決定

変数の設定
export AWS_DEFAULT_REGION='ap-northeast-1'

0.2. 変数の確認

プロファイルが想定のものになっていることを確認します。

変数の確認
aws configure list
結果(例)

            Name                    Value             Type    Location
            ----                    -----             ----    --------
         profile       lambdaFull-prjz-mbp13        env    AWS_DEFAULT_PROFILE
      access_key     ****************XXXX shared-credentials-file
      secret_key     ****************XXXX shared-credentials-file
          region        ap-northeast-1        env    AWS_DEFAULT_REGION

1. 事前作業

1.1. API名の指定

変数の設定
APIGW_API_NAME="slack-echo-command-$( date '+%Y%m%d' )" \
        && echo ${APIGW_API_NAME}

同名のREST APIが存在しないことを確認します。

コマンド
aws apigateway get-rest-apis \
        --query "items[?name == \`${APIGW_API_NAME}\`].name"
結果(例)

      []

1.2. AWS IDの取得

コマンド
AWS_ID=$( \
        aws sts get-caller-identity \
          --query 'Account' \
          --output text \
) \
        && echo ${AWS_ID}
結果(例)

      XXXXXXXXXXXX

2. APIの作成

2.1. APIの作成

APIを作成するときは、説明も必ず入れるようにしましょう。

変数の設定
APIGW_API_DESC='API for slack-echo-command'
変数の確認
cat << ETX

        APIGW_API_NAME: ${APIGW_API_NAME}
        APIGW_API_DESC: "${APIGW_API_DESC}"

ETX
コマンド
aws apigateway create-rest-api \
        --name ${APIGW_API_NAME} \
        --description "${APIGW_API_DESC}"
結果(例)

      {
        "id": "xxxxxxxxxx",
        "name": "slack-echo-command-20160829",
        "description": "API for slack-echo-command",
        "createdDate": 1448002904
      }

2.2. APIの確認

コマンド
aws apigateway get-rest-apis \
        --query "items[?name == \`${APIGW_API_NAME}\`].name"
結果(例)

      [
        "slack-echo-command-20160829"
      ]

2.3. API IDの取得

コマンド
APIGW_API_ID=$( \
        aws apigateway get-rest-apis \
          --query "items[?name == \`${APIGW_API_NAME}\`].id" \
          --output text \
) \
        && echo ${APIGW_API_ID}
結果(例)

      xxxxxxxxxx

2.4. APIの確認

コマンド
aws apigateway get-rest-api \
        --rest-api-id ${APIGW_API_ID}
結果(例)

      {
        "id": "xxxxxxxxxx",
        "name": "slack-echo-command-20160829",
        "description": "API for slack-echo-command",
        "createdDate": 1445947998
      }

2.5. モデルの確認

コマンド
aws apigateway get-models \
        --rest-api-id ${APIGW_API_ID}
結果(例)

      {
        "items": [
          {
              "description": "This is a default empty schema model",
              "schema": "{\n  \"$schema\": \"http://json-schema.org/draft-04/schema#\",\n  \"title\" : \"Empty Schema\",n  \"type\" : \"object\"\n}",
              "contentType": "application/json",
              "id": "xxxxxx",
              "name": "Empty"
          },
          {
              "description": "This is a default error schema model",
              "schema": "{\n  \"$schema\" : \"http://json-schema.org/draft-04/schema#\",\n  \"title\" : \"Error Schema\",\n  \"type\" : \"object\",\n  \"properties\" : {\n    \"message\" : { \"type\" : \"string\" }\n  }\n}",
              "contentType": "application/json",
              "id": "xxxxxx",
              "name": "Error"
          }
        ]
      }

3. リソースの作成

3.1. 現在のリソースの確認

コマンド
aws apigateway get-resources \
        --rest-api-id ${APIGW_API_ID}
結果(例)

      {
        "items": [
          {
              "path": "/",
              "id": "xxxxxxxxxx"
          }
        ]
      }

3.2. 現在のリソースのリソースID取得

変数の設定
APIGW_RESOURCE_PATH="/"
コマンド
APIGW_RESOURCE_ID=$( \
        aws apigateway get-resources \
          --rest-api-id ${APIGW_API_ID} \
          --query "items[?path == \`${APIGW_RESOURCE_PATH}\`].id" \
          --output text \
) \
        && echo ${APIGW_RESOURCE_ID}
結果(例)

      xxxxxxxxxx
コマンド
aws apigateway get-resource \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID}
結果(例)

      {
        "path": "/",
        "id": "xxxxxxxxxx"
      }

3.3. 新しいリソースの作成

変数の設定
APIGW_PARENT_ID="${APIGW_RESOURCE_ID}"
APIGW_PATH_PART='sayhello'
変数の確認
cat << ETX

        APIGW_API_ID:    ${APIGW_API_ID}
        APIGW_PARENT_ID: ${APIGW_PARENT_ID}
        APIGW_PATH_PART: ${APIGW_PATH_PART}

ETX
コマンド
aws apigateway create-resource \
        --rest-api-id ${APIGW_API_ID} \
        --parent-id ${APIGW_PARENT_ID} \
        --path-part ${APIGW_PATH_PART}
結果(例)

      {
        "path": "/sayhello",
        "pathPart": "sayhello",
        "id": "xxxxxx",
        "parentId": "xxxxxxxxxx"
      }

3.4. 新しいリソースのリソースID取得

変数の設定
APIGW_RESOURCE_PATH="${APIGW_RESOURCE_PATH}${APIGW_PATH_PART}" \
        && echo ${APIGW_RESOURCE_PATH}
コマンド
APIGW_RESOURCE_ID=$( \
        aws apigateway get-resources \
          --rest-api-id ${APIGW_API_ID} \
          --query "items[?path == \`${APIGW_RESOURCE_PATH}\`].id" \
          --output text \
) \
        && echo ${APIGW_RESOURCE_ID}
結果(例)

      xxxxxxxxxx

3.5. 新しいリソースの内容確認

コマンド
aws apigateway get-resource \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID}
結果(例)

      {
        "path": "/sayhello",
        "pathPart": "sayhello",
        "id": "xxxxxx",
        "parentId": "gca9ho3sa4"
      }

4. メソッドの作成

4.1. Lambda関数の指定

変数の設定
LAMBDA_FUNC_NAME='slack-echo-command-20160829'
コマンド
LAMBDA_FUNC_ARN=$( \
        aws lambda get-function \
          --function-name ${LAMBDA_FUNC_NAME} \
          --query 'Configuration.FunctionArn' \
          --output text \
) \
        && echo ${LAMBDA_FUNC_ARN}
結果(例)

      arn:aws:lambda:ap-northeast-1:XXXXXXXXXXXX:function:slack-echo-command-20160829

4.2. API Gateway Integration URLの指定

変数の設定
APIGW_INTEG_URI="arn:aws:apigateway:${AWS_DEFAULT_REGION}:lambda:path/2015-03-31/functions/${LAMBDA_FUNC_ARN}/invocations" \
        && echo ${APIGW_INTEG_URI}
結果(例)

      arn:aws:lambda:ap-northeast-1:XXXXXXXXXXXX:function:slack-echo-command-20160829

4.3. HTTPメソッドの作成

変数の設定
HTTP_METHOD='POST'
AUTH_TYPE='NONE'
変数の確認
cat << ETX

        APIGW_API_ID:      ${APIGW_API_ID}
        APIGW_RESOURCE_ID: ${APIGW_RESOURCE_ID}
        HTTP_METHOD:       ${HTTP_METHOD}
        AUTH_TYPE:         ${AUTH_TYPE}

ETX
コマンド
aws apigateway put-method \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD} \
        --authorization-type ${AUTH_TYPE}
結果(例)

      {
        "apiKeyRequired": false,
        "httpMethod": "POST",
        "authorizationType": "NONE"
      }
コマンド
aws apigateway get-method \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD}
結果(例)

      {
        "apiKeyRequired": false,
        "httpMethod": "POST",
        "authorizationType": "NONE"
      }
コマンド
aws apigateway get-resource \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID}
結果(例)

      {
        "resourceMethods": {
          "POST": {}
        },
        "pathPart": "sayhello",
        "parentId": "xxxxxxxxxx",
        "path": "/sayhello",
        "id": "xxxxxx"
      }

4.4. integrationの作成

コマンド
aws apigateway get-integration \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD}
結果(例)

      A client error (NotFoundException) occurred when calling the GetIntegration operation: No integration defined for method

Integration Typeの指定

変数の設定
APIGW_INTEG_TYPE='AWS'

IntegrationのHTTPメソッド指定

変数の設定
APIGW_INTEG_METHOD='POST'

Integration RequestのBody Mapping Templates作成

変数の設定
FILE_INPUT="${APIGW_RESOURCE_ID}-BODY_MAPPING_TEMPLATE.json" \
        && echo ${FILE_INPUT}
コマンド
cat << \EOF > ${FILE_INPUT}
      {
        "application/x-www-form-urlencoded": "{ \"body\": $input.json(\"$\") }"
      }
EOF

JSONファイルを作成したら、フォーマットが壊れてないか必ず確認します。

コマンド
jsonlint -q ${FILE_INPUT}

エラーが出力されなければOKです。

変数の設定
APIGW_PASSTHROUGH_BEHAVIOR='WHEN_NO_TEMPLATES'
変数の確認
cat << ETX

        APIGW_API_ID:               ${APIGW_API_ID}
        APIGW_RESOURCE_ID:          ${APIGW_RESOURCE_ID}
        HTTP_METHOD:                ${HTTP_METHOD}
        APIGW_INTEG_TYPE:           ${APIGW_INTEG_TYPE}
        APIGW_INTEG_METHOD:         ${APIGW_INTEG_METHOD}
        APIGW_INTEG_URI:            ${APIGW_INTEG_URI}
        FILE_INPUT:                 ${FILE_INPUT}
        APIGW_PASSTHROUGH_BEHAVIOR: ${APIGW_PASSTHROUGH_BEHAVIOR}

ETX
コマンド
aws apigateway put-integration \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD} \
        --type ${APIGW_INTEG_TYPE} \
        --integration-http-method ${APIGW_INTEG_METHOD} \
        --uri ${APIGW_INTEG_URI} \
        --request-templates file://${FILE_INPUT} \
        --passthrough-behavior ${APIGW_PASSTHROUGH_BEHAVIOR}
結果(例)

      {
        "passthroughBehavior": "WHEN_NO_TEMPLATES",
        "cacheKeyParameters": [],
        "uri": "arn:aws:apigateway:ap-northeast-1:lambda:path/2015-03-31/functions/arn:aws:lambda:ap-northeast-1:XXXXXXXXXXXX:function:slack-echo-command-20160829/invocations",
        "httpMethod": "POST",
        "requestTemplates": {
          "application/x-www-form-urlencoded": "{ \"body\": $input.json(\"$\") }"
        },
        "cacheNamespace": "xxxxxx",
        "type": "AWS"
      }
コマンド
aws apigateway get-integration \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD}
結果(例)
      {
        "passthroughBehavior": "WHEN_NO_TEMPLATES",
        "cacheKeyParameters": [],
        "uri": "arn:aws:apigateway:ap-northeast-1:lambda:path/2015-03-31/functions/arn:aws:lambda:ap-northeast-1:XXXXXXXXXXXX:function:slack-echo-command-20160829/invocations",
        "httpMethod": "POST",
        "requestTemplates": {
          "application/x-www-form-urlencoded": "{ \"body\": $input.json(\"$\") }"
        },
        "cacheNamespace": "xxxxxx",
        "type": "AWS"
      }

4.5. Integration Responseの作成

POSTメソッドのリザルトコード200でのIntegration Responseが存在作成しな
いことを確認します。

変数の設定
HTTP_STATUS_CODE='200'
コマンド
aws apigateway get-integration-response \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD} \
        --status-code ${HTTP_STATUS_CODE}
結果(例)

      A client error (NotFoundException) occurred when calling the GetMethodResponse operation: Invalid Response status code specified

POSTメソッドのリザルトコード200でのIntegration Responseを作成します。

変数の確認
cat << ETX

        APIGW_API_ID:       ${APIGW_API_ID}
        APIGW_RESOURCE_ID:  ${APIGW_RESOURCE_ID}
        HTTP_METHOD:        ${HTTP_METHOD}
        HTTP_STATUS_CODE:   ${HTTP_STATUS_CODE}

ETX
コマンド
aws apigateway put-integration-response \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD} \
        --status-code ${HTTP_STATUS_CODE} \
        --selection-pattern ".*"
結果(例)

      {
        "selectionPattern": ".*",
        "statusCode": "200"
      }

POSTメソッドのリザルトコード200でのIntegration Responseを確認します。

コマンド
aws apigateway get-integration-response \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD} \
        --status-code ${HTTP_STATUS_CODE}
結果(例)
{
    "selectionPattern": ".*", 
    "statusCode": "200"
}
コマンド
aws apigateway get-integration \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD}
結果(例)

      {
        "integrationResponses": {
          "200": {
              "selectionPattern": ".*",
              "statusCode": "200"
          }
        },
        "passthroughBehavior": "WHEN_NO_TEMPLATES",
        "cacheKeyParameters": [],
        "uri": "arn:aws:apigateway:ap-northeast-1:lambda:path/2015-03-31/functions/arn:aws:lambda:ap-northeast-1:XXXXXXXXXXXX:function:slack-echo-command-20160829/invocations",
        "httpMethod": "POST",
        "requestTemplates": {
          "application/x-www-form-urlencoded": "{ "body": $input.json("$") }"
        },
        "cacheNamespace": "hrs5il",
        "type": "AWS"
      }

4.6. Lambda関数の実行権限付与

POSTメソッドのリザルトコード200でのIntegration Responseに、Lambda関数
を実行する権限を付与します。

Statement IDを乱数32桁で生成します。

変数の設定
LAMBDA_STAT_ID=$(od -vAn -N16 -tx < /dev/urandom | sed 's/ //g')
変数の設定
RESOURCE_PATH="${APIGW_RESOURCE_PATH}"
変数の確認
cat << ETX

        AWS_ID:        ${AWS_ID}
        APIGW_API_ID:  ${APIGW_API_ID}
        HTTP_METHOD:   ${HTTP_METHOD}
        RESOURCE_PATH: ${RESOURCE_PATH}

ETX
変数の設定
SOURCE_ARN="arn:aws:execute-api:${AWS_DEFAULT_REGION}:${AWS_ID}:${APIGW_API_ID}/*/${HTTP_METHOD}${RESOURCE_PATH}" \
        && echo ${SOURCE_ARN}
変数の設定
LAMBDA_PERMIT_ACTION='lambda:InvokeFunction'
      LAMBDA_PERMIT_PRINCIPAL='apigateway.amazonaws.com'
      RESOURCE_PATH="${APIGW_RESOURCE_PATH}"
変数の確認
cat << ETX

        LAMBDA_FUNC_NAME:        ${LAMBDA_FUNC_NAME}
        LAMBDA_STAT_ID:          ${LAMBDA_STAT_ID}
        LAMBDA_PERMIT_ACTION:    ${LAMBDA_PERMIT_ACTION}
        LAMBDA_PERMIT_PRINCIPAL: ${LAMBDA_PERMIT_PRINCIPAL}
        SOURCE_ARN:              ${SOURCE_ARN}

ETX
コマンド
aws lambda add-permission \
        --function-name ${LAMBDA_FUNC_NAME} \
        --statement-id ${LAMBDA_STAT_ID} \
        --action ${LAMBDA_PERMIT_ACTION} \
        --principal ${LAMBDA_PERMIT_PRINCIPAL} \
        --source-arn ${SOURCE_ARN}
結果(例)

      {
        "Statement": "{\"Condition\":{\"ArnLike\":{\"AWS:SourceArn\":\"arn:aws:execute-api:ap-northeast-1:XXXXXXXXXXXX:xxxxxxxxxx/*/POST/sayhello\"}},\"Action\":[\"lambda:InvokeFunction\"],\"Resource\":\"arn:aws:lambda:ap-northeast-1:XXXXXXXXXXXX:function:slack-echo-command-20160829\",\"Effect\":\"Allow\",\"Principal\":{\"Service\":\"apigateway.amazonaws.com\"},\"Sid\":\"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\"}"
      }
コマンド
aws lambda get-policy \
        --function-name ${LAMBDA_FUNC_NAME} \
        | sed 's/\\//g' | sed 's/\"{/{/' | sed 's/\"$//' \
        | jp.py "Policy.Statement[?Sid == \`${LAMBDA_STAT_ID}\`]"
結果(例)
[
    {
        "Resource": "arn:aws:lambda:ap-northeast-1:XXXXXXXXXXXX:function:slack-echo-command-20160828",
        "Effect": "Allow",        "Sid": "54dee6c20e66aa1d1af183b2b8a2796a",
        "Action": "lambda:InvokeFunction",
        "Condition": {
            "ArnLike": {
                "AWS:SourceArn": "arn:aws:execute-api:ap-northeast-1:XXXXXXXXXXXX:npvefdajeb/*/POST/sayhello"
            }        },
        "Principal": {
            "Service": "apigateway.amazonaws.com"
        }
    }
]

4.7. Method Responseの作成

コマンド
aws apigateway get-method-response \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD} \
        --status-code ${HTTP_STATUS_CODE}
結果(例)

      A client error (NotFoundException) occurred when calling the GetIntegrationResponse operation: Invalid Response status code specified
コマンド
aws apigateway put-method-response \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD} \
        --status-code ${HTTP_STATUS_CODE} \
        --response-models '{}'
結果(例)

      {
        "responseModels": {},
        "statusCode": "200"
      }
コマンド
aws apigateway get-method-response \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD} \
        --status-code ${HTTP_STATUS_CODE}
結果(例)

      {
        "responseModels": {},
        "statusCode": "200"
      }
コマンド
aws apigateway get-method \
        --rest-api-id ${APIGW_API_ID} \
        --resource-id ${APIGW_RESOURCE_ID} \
        --http-method ${HTTP_METHOD}
結果(例)

      {
        "apiKeyRequired": false,
        "httpMethod": "POST",
        "methodIntegration": {
          "integrationResponses": {
              "200": {
                  "selectionPattern": ".*",
                  "statusCode": "200"
              }
          },
          "passthroughBehavior": "WHEN_NO_TEMPLATES",
          "cacheKeyParameters": [],
          "uri": "arn:aws:apigateway:ap-northeast-1:lambda:path/2015-03-31/functions/arn:aws:lambda:ap-northeast-1:XXXXXXXXXXXX:function:slack-echo-command-20160828/invocations",
          "httpMethod": "POST",
          "requestTemplates": {
              "application/x-www-form-urlencoded": "{ "body": $input.json("$") }"
          },
          "cacheNamespace": "0z3hfw",
          "type": "AWS"
        },
        "methodResponses": {
          "200": {
              "responseModels": {},
              "statusCode": "200"
          }
        },
        "authorizationType": "NONE"
      }

5. APIのデプロイ

5.1. APIのデプロイ

コマンド
aws apigateway get-deployments \
        --rest-api-id ${APIGW_API_ID}
結果(例)

      {
          "items": []
      }
変数の設定
APIGW_STAGE_NAME='prod'
APIGW_STAGE_DESC='This is a prod.'
APIGW_DEPLOY_DESC='Calling Lambda functions blueprint.'
変数の確認
cat << ETX

        APIGW_API_ID:      ${APIGW_API_ID}
        APIGW_STAGE_NAME:  ${APIGW_STAGE_NAME}
        APIGW_STAGE_DESC:  "${APIGW_STAGE_DESC}"
        APIGW_DEPLOY_DESC: "${APIGW_DEPLOY_DESC}"

ETX
コマンド
aws apigateway create-deployment \
        --rest-api-id ${APIGW_API_ID} \
        --stage-name ${APIGW_STAGE_NAME} \
        --stage-description "${APIGW_STAGE_DESC}" \
        --description "${APIGW_DEPLOY_DESC}"
結果(例)

      {
        "description": "Calling Lambda functions blueprint.",
        "id": "xxxxxx",
        "createdDate": 1448115971
      }

5.2. APIのステージ名の取得

コマンド
aws apigateway get-stages \
        --rest-api-id ${APIGW_API_ID}
結果(例)

      {
        "item": [
          {
              "description": "This is a prod.",
              "stageName": "test",
              "cacheClusterEnabled": false,
              "cacheClusterStatus": "NOT_AVAILABLE",
              "deploymentId": "xxxxxx",
              "lastUpdatedDate": 1448115971,
              "createdDate": 1448115971,
              "methodSettings": {}
          }
        ]
      }
コマンド
APIGW_STAGE_NAME=$( \
        aws apigateway get-stages \
          --rest-api-id ${APIGW_API_ID} \
          --query "item[?description == \`${APIGW_STAGE_DESC}\`].stageName" \
          --output text \
) \
        && echo ${APIGW_STAGE_NAME}
結果(例)

      prod
コマンド
aws apigateway get-stage \
        --rest-api-id ${APIGW_API_ID} \
        --stage-name ${APIGW_STAGE_NAME}
結果(例)

      {
        "stageName": "prod",
        "description": "This is a prod.",
        "cacheClusterEnabled": false,
        "cacheClusterStatus": "NOT_AVAILABLE",
        "deploymentId": "xxxxxx",
        "lastUpdatedDate": 1448115971,
        "createdDate": 1448115971,
        "methodSettings": {}
      }

6. APIのテスト

変数の設定
APIGW_URI="https://${APIGW_API_ID}.execute-api.${AWS_DEFAULT_REGION}.amazonaws.com/${APIGW_STAGE_NAME}${APIGW_RESOURCE_PATH}" \
        && echo ${APIGW_URI}

7. Slack (API Endpoint追加)

  1. https://${SLACK_TEAM_NAME}.slack.com/apps にアクセスします。(App Directory 画 面)

    • 検索窓に 'Slash Commands' と入力します。
    • 'Slash Commands'が表示されるので、クリックします。

  2. Browse Apps > Slash Commands (画面)

    • (ボタン)をクリックします。

  3. Edit configuration (画面)

    • Integration Settings
      • URL: API Gatewayのエンドポイント

8. slackコマンドの実行

slackから、/sayhelloコマンドに続いて英数字半角のテキストを入力してください。

/sayhello ec2

完了

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