serveless implementation using aws compute engine and serverless framework
This commit is contained in:
Dheeraj Mummareddy
@ -0,0 +1,166 @@
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/**
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* The MIT License
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* Copyright (c) 2014 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.serverless;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import java.io.Serializable;
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import java.util.Map;
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/**
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* Api gateway response
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*
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* @param <T> serializable object
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*/
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public class ApiGatewayResponse<T extends Serializable> implements Serializable {
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private static final long serialVersionUID = 1181159426782844892L;
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private final Integer statusCode;
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private final String body;
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private final Map<String, String> headers;
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private final Boolean isBase64Encoded;
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/**
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* api gateway response
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*
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* @param statusCode - http status code
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* @param body - response body
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* @param headers - response headers
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* @param isBase64Encoded - base64Encoded flag
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*/
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public ApiGatewayResponse(Integer statusCode, String body, Map<String, String> headers,
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Boolean isBase64Encoded) {
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this.statusCode = statusCode;
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this.body = body;
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this.headers = headers;
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this.isBase64Encoded = isBase64Encoded;
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}
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/**
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* http status code
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*
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* @return statusCode - http status code
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*/
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public Integer getStatusCode() {
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return statusCode;
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}
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/**
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* response body
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*
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* @return string body
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*/
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public String getBody() {
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return body;
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}
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/**
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* response headers
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*
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* @return response headers
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*/
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public Map<String, String> getHeaders() {
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return headers;
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}
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/**
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* base64Encoded flag, API Gateway expects the property to be called "isBase64Encoded"
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*
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* @return base64Encoded flag
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*/
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public Boolean isBase64Encoded() {
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return isBase64Encoded;
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}
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/**
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* ApiGatewayResponse Builder class
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* @param <T> Serializable object
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*/
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public static class ApiGatewayResponseBuilder<T extends Serializable> {
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private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
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private Integer statusCode;
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private T body;
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private Map<String, String> headers;
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private Boolean isBase64Encoded;
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/**
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* http status code
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* @param statusCode - http status code
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* @return ApiGatewayResponseBuilder
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*/
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public ApiGatewayResponseBuilder statusCode(Integer statusCode) {
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this.statusCode = statusCode;
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return this;
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}
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/**
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* Serializable body
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* @param body - Serializable object
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* @return ApiGatewayResponseBuilder
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*/
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public ApiGatewayResponseBuilder body(T body) {
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this.body = body;
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return this;
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}
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/**
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* response headers
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* @param headers - response headers
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* @return ApiGatewayResponseBuilder
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*/
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public ApiGatewayResponseBuilder headers(Map<String, String> headers) {
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this.headers = headers;
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return this;
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}
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/**
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* base64Encoded glag
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* @param isBase64Encoded - base64Encoded flag
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* @return ApiGatewayResponseBuilder
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*/
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public ApiGatewayResponseBuilder base64Encoded(Boolean isBase64Encoded) {
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this.isBase64Encoded = isBase64Encoded;
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return this;
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}
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/**
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* build ApiGatewayResponse
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*
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* @return ApiGatewayResponse
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*/
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public ApiGatewayResponse build() {
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String strBody = null;
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if (this.body != null) {
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try {
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strBody = OBJECT_MAPPER.writeValueAsString(body);
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} catch (JsonProcessingException e) {
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throw new RuntimeException(e);
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}
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}
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return new ApiGatewayResponse(this.statusCode, strBody, this.headers, this.isBase64Encoded);
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}
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}
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}
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140
serverless/src/main/java/com/iluwatar/serverless/LambdaInfo.java
Normal file
140
serverless/src/main/java/com/iluwatar/serverless/LambdaInfo.java
Normal file
@ -0,0 +1,140 @@
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/**
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* The MIT License
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* Copyright (c) 2014 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.serverless;
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import java.io.Serializable;
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/**
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* Lambda context information
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*/
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public class LambdaInfo implements Serializable {
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private static final long serialVersionUID = 3936130599040848923L;
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private String awsRequestId;
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private String logGroupName;
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private String logStreamName;
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private String functionName;
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private String functionVersion;
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private Integer memoryLimitInMb;
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public String getAwsRequestId() {
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return awsRequestId;
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}
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public void setAwsRequestId(String awsRequestId) {
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this.awsRequestId = awsRequestId;
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}
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public String getLogGroupName() {
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return logGroupName;
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}
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public void setLogGroupName(String logGroupName) {
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this.logGroupName = logGroupName;
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}
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public String getLogStreamName() {
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return logStreamName;
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}
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public void setLogStreamName(String logStreamName) {
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this.logStreamName = logStreamName;
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}
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public String getFunctionName() {
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return functionName;
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}
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public void setFunctionName(String functionName) {
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this.functionName = functionName;
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}
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public String getFunctionVersion() {
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return functionVersion;
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}
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public void setFunctionVersion(String functionVersion) {
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this.functionVersion = functionVersion;
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}
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public Integer getMemoryLimitInMb() {
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return memoryLimitInMb;
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}
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public void setMemoryLimitInMb(Integer memoryLimitInMb) {
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this.memoryLimitInMb = memoryLimitInMb;
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}
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@Override
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public String toString() {
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return "LambdaInfo{"
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+ "awsRequestId='" + awsRequestId + '\''
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+ ", logGroupName='" + logGroupName + '\''
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+ ", logStreamName='" + logStreamName + '\''
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+ ", functionName='" + functionName + '\''
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+ ", functionVersion='" + functionVersion + '\''
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+ ", memoryLimitInMb=" + memoryLimitInMb
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+ '}';
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) {
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return true;
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}
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if (o == null || getClass() != o.getClass()) {
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return false;
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}
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LambdaInfo that = (LambdaInfo) o;
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if (awsRequestId != null ? !awsRequestId.equals(that.awsRequestId) : that.awsRequestId != null) {
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return false;
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}
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if (logGroupName != null ? !logGroupName.equals(that.logGroupName) : that.logGroupName != null) {
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return false;
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}
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if (logStreamName != null ? !logStreamName.equals(that.logStreamName) : that.logStreamName != null) {
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return false;
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}
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if (functionName != null ? !functionName.equals(that.functionName) : that.functionName != null) {
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return false;
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}
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if (functionVersion != null ? !functionVersion.equals(that.functionVersion) : that.functionVersion != null) {
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return false;
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}
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return memoryLimitInMb != null ? memoryLimitInMb.equals(that.memoryLimitInMb) : that.memoryLimitInMb == null;
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}
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@Override
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public int hashCode() {
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int result = awsRequestId != null ? awsRequestId.hashCode() : 0;
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result = 31 * result + (logGroupName != null ? logGroupName.hashCode() : 0);
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result = 31 * result + (logStreamName != null ? logStreamName.hashCode() : 0);
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result = 31 * result + (functionName != null ? functionName.hashCode() : 0);
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result = 31 * result + (functionVersion != null ? functionVersion.hashCode() : 0);
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result = 31 * result + (memoryLimitInMb != null ? memoryLimitInMb.hashCode() : 0);
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return result;
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}
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}
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@ -0,0 +1,83 @@
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/**
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* The MIT License
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* Copyright (c) 2014 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
|
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
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*
|
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* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
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* THE SOFTWARE.
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*/
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package com.iluwatar.serverless.api;
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import com.iluwatar.serverless.ApiGatewayResponse;
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import com.amazonaws.services.lambda.runtime.Context;
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import com.amazonaws.services.lambda.runtime.RequestHandler;
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import com.iluwatar.serverless.LambdaInfo;
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import org.apache.log4j.BasicConfigurator;
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import org.apache.log4j.Logger;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* LambdaInfoApiHandler - simple api to get lambda context
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* Created by dheeraj.mummar on 2/5/18.
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*/
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public class LambdaInfoApiHandler implements RequestHandler<Map<String, Object>, ApiGatewayResponse> {
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private static final Logger LOG = Logger.getLogger(LambdaInfoApiHandler.class);
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private static final Integer SUCCESS_STATUS_CODE = 200;
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@Override
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public ApiGatewayResponse handleRequest(Map<String, Object> input, Context context) {
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BasicConfigurator.configure();
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LOG.info("received: " + input);
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return new ApiGatewayResponse
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.ApiGatewayResponseBuilder<LambdaInfo>()
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.headers(headers())
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.statusCode(SUCCESS_STATUS_CODE)
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.body(lambdaInfo(context))
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.build();
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}
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/**
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* lambdaInfo
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* @param context - Lambda context
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* @return LambdaInfo
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*/
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private LambdaInfo lambdaInfo(Context context) {
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LambdaInfo lambdaInfo = new LambdaInfo();
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lambdaInfo.setAwsRequestId(context.getAwsRequestId());
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lambdaInfo.setFunctionName(context.getFunctionName());
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lambdaInfo.setFunctionVersion(context.getFunctionVersion());
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lambdaInfo.setLogGroupName(context.getLogGroupName());
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lambdaInfo.setLogStreamName(context.getLogStreamName());
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lambdaInfo.setMemoryLimitInMb(context.getMemoryLimitInMB());
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return lambdaInfo;
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}
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private Map<String, String> headers() {
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Map<String, String> headers = new HashMap<>();
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headers.put("Content-Type", "application/json");
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return headers;
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}
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}
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29
serverless/src/main/resources/log4j.properties
Normal file
29
serverless/src/main/resources/log4j.properties
Normal file
@ -0,0 +1,29 @@
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#
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# The MIT License
|
||||
# Copyright (c) 2014 Ilkka Seppälä
|
||||
#
|
||||
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
# of this software and associated documentation files (the "Software"), to deal
|
||||
# in the Software without restriction, including without limitation the rights
|
||||
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
# copies of the Software, and to permit persons to whom the Software is
|
||||
# furnished to do so, subject to the following conditions:
|
||||
#
|
||||
# The above copyright notice and this permission notice shall be included in
|
||||
# all copies or substantial portions of the Software.
|
||||
#
|
||||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
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# THE SOFTWARE.
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#
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log = .
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log4j.rootLogger = DEBUG, LAMBDA
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log4j.appender.LAMBDA=com.amazonaws.services.lambda.runtime.log4j.LambdaAppender
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log4j.appender.LAMBDA.layout=org.apache.log4j.PatternLayout
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log4j.appender.LAMBDA.layout.conversionPattern=%d{yyyy-MM-dd HH:mm:ss} <%X{AWSRequestId}> %-5p %c:%L - %m%n
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@ -0,0 +1,49 @@
|
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/**
|
||||
* The MIT License
|
||||
* Copyright (c) 2014 Ilkka Seppälä
|
||||
* <p>
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
* <p>
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
* <p>
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
package com.iluwatar.serverless.api;
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|
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import com.amazonaws.services.lambda.runtime.Context;
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import org.junit.jupiter.api.Test;
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import org.junit.runner.RunWith;
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import org.mockito.runners.MockitoJUnitRunner;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static org.hamcrest.core.IsNull.notNullValue;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.when;
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/**
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* LambdaInfoApiHandlerTest
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*/
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@RunWith(MockitoJUnitRunner.class)
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public class LambdaInfoApiHandlerTest {
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@Test
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public void handleRequestWithMockContext() {
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LambdaInfoApiHandler lambdaInfoApiHandler = new LambdaInfoApiHandler();
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Context context = mock(Context.class);
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when(context.getAwsRequestId()).thenReturn("mock aws request id");
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assertThat(lambdaInfoApiHandler.handleRequest(null, context), notNullValue());
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||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user