diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a9351e4 --- /dev/null +++ b/.gitignore @@ -0,0 +1,44 @@ +# AWS SAM +.aws-sam/ +samconfig.toml + +# Compiled class file +*.class + +# Log file +*.log + +# BlueJ files +*.ctxt + +# Mobile Tools for Java (J2ME) +.mtj.tmp/ + +# Package Files # +*.jar +*.war +*.nar +*.ear +*.zip +*.tar.gz +*.rar + +# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml +hs_err_pid* + +# Gradle +.gradle +**/build/ +!src/**/build/ + +# Ignore Gradle GUI config +gradle-app.setting + +# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored) +!gradle-wrapper.jar + +# Cache of project +.gradletasknamecache + +# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898 +# gradle/wrapper/gradle-wrapper.properties \ No newline at end of file diff --git a/HelloWorldFunction/.classpath b/HelloWorldFunction/.classpath new file mode 100644 index 0000000..e16509f --- /dev/null +++ b/HelloWorldFunction/.classpath @@ -0,0 +1,12 @@ + + + + + + + + + + + + diff --git a/HelloWorldFunction/.project b/HelloWorldFunction/.project new file mode 100644 index 0000000..d6957ab --- /dev/null +++ b/HelloWorldFunction/.project @@ -0,0 +1,23 @@ + + + HelloWorldFunction + Project HelloWorldFunction created by Buildship. + + + + + org.eclipse.jdt.core.javabuilder + + + + + org.eclipse.buildship.core.gradleprojectbuilder + + + + + + org.eclipse.jdt.core.javanature + org.eclipse.buildship.core.gradleprojectnature + + diff --git a/HelloWorldFunction/.settings/org.eclipse.buildship.core.prefs b/HelloWorldFunction/.settings/org.eclipse.buildship.core.prefs new file mode 100644 index 0000000..7bd0845 --- /dev/null +++ b/HelloWorldFunction/.settings/org.eclipse.buildship.core.prefs @@ -0,0 +1,13 @@ +arguments= +auto.sync=false +build.scans.enabled=false +connection.gradle.distribution=GRADLE_DISTRIBUTION(WRAPPER) +connection.project.dir= +eclipse.preferences.version=1 +gradle.user.home= +java.home=/Library/Java/JavaVirtualMachines/amazon-corretto-11.jdk/Contents/Home +jvm.arguments= +offline.mode=false +override.workspace.settings=true +show.console.view=true +show.executions.view=true diff --git a/HelloWorldFunction/build.gradle b/HelloWorldFunction/build.gradle new file mode 100644 index 0000000..35b3b2a --- /dev/null +++ b/HelloWorldFunction/build.gradle @@ -0,0 +1,14 @@ +plugins { + id 'java' +} + +repositories { + mavenCentral() +} + +dependencies { + implementation 'com.amazonaws:aws-lambda-java-core:1.2.0' + implementation platform('com.amazonaws:aws-java-sdk-bom:1.11.807') + implementation 'com.amazonaws:aws-java-sdk-dynamodb' + //testImplementation 'junit:junit:4.12' +} diff --git a/HelloWorldFunction/gradle/wrapper/gradle-wrapper.jar b/HelloWorldFunction/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..87b738c Binary files /dev/null and b/HelloWorldFunction/gradle/wrapper/gradle-wrapper.jar differ diff --git a/HelloWorldFunction/gradle/wrapper/gradle-wrapper.properties b/HelloWorldFunction/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..558870d --- /dev/null +++ b/HelloWorldFunction/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/HelloWorldFunction/gradlew b/HelloWorldFunction/gradlew new file mode 100755 index 0000000..af6708f --- /dev/null +++ b/HelloWorldFunction/gradlew @@ -0,0 +1,172 @@ +#!/usr/bin/env sh + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn () { + echo "$*" +} + +die () { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; + NONSTOP* ) + nonstop=true + ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin, switch paths to Windows format before running java +if $cygwin ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=$((i+1)) + done + case $i in + (0) set -- ;; + (1) set -- "$args0" ;; + (2) set -- "$args0" "$args1" ;; + (3) set -- "$args0" "$args1" "$args2" ;; + (4) set -- "$args0" "$args1" "$args2" "$args3" ;; + (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Escape application args +save () { + for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done + echo " " +} +APP_ARGS=$(save "$@") + +# Collect all arguments for the java command, following the shell quoting and substitution rules +eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" + +# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong +if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then + cd "$(dirname "$0")" +fi + +exec "$JAVACMD" "$@" diff --git a/HelloWorldFunction/gradlew.bat b/HelloWorldFunction/gradlew.bat new file mode 100644 index 0000000..6d57edc --- /dev/null +++ b/HelloWorldFunction/gradlew.bat @@ -0,0 +1,84 @@ +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto init + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto init + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:init +@rem Get command-line arguments, handling Windows variants + +if not "%OS%" == "Windows_NT" goto win9xME_args + +:win9xME_args +@rem Slurp the command line arguments. +set CMD_LINE_ARGS= +set _SKIP=2 + +:win9xME_args_slurp +if "x%~1" == "x" goto execute + +set CMD_LINE_ARGS=%* + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/HelloWorldFunction/src/main/java/helloworld/App.java b/HelloWorldFunction/src/main/java/helloworld/App.java new file mode 100644 index 0000000..0affc75 --- /dev/null +++ b/HelloWorldFunction/src/main/java/helloworld/App.java @@ -0,0 +1,63 @@ +package helloworld; + +import java.io.BufferedReader; +import java.io.InputStreamReader; +import java.io.IOException; +import java.net.URL; +import java.time.ZoneOffset; +import java.time.ZonedDateTime; +import java.time.format.DateTimeFormatter; +import java.util.HashMap; +import java.util.Map; +import java.util.stream.Collectors; + +import com.amazonaws.services.lambda.runtime.Context; +import com.amazonaws.services.lambda.runtime.RequestHandler; + +import com.amazonaws.AmazonServiceException; +import com.amazonaws.services.dynamodbv2.AmazonDynamoDB; +import com.amazonaws.services.dynamodbv2.AmazonDynamoDBClientBuilder; +import com.amazonaws.services.dynamodbv2.model.AttributeValue; +import com.amazonaws.services.dynamodbv2.model.ResourceNotFoundException; +import java.util.ArrayList; +/** + * Handler for requests to Lambda function. + */ +public class App implements RequestHandler { + + private final String TABLE_NAME = System.getenv("TABLE_NAME"); + public Object handleRequest(final Object input, final Context context) { + Map headers = new HashMap<>(); + headers.put("Content-Type", "application/json"); + headers.put("X-Custom-Header", "application/json"); + try { + final String pageContents = this.getPageContents("https://checkip.amazonaws.com"); + this.storeLocation(pageContents); + String output = String.format("{ \"message\": \"hello world\", \"location\": \"%s\" }", pageContents); + return new GatewayResponse(output, headers, 200); + } catch (Exception e) { + return new GatewayResponse("{}", headers, 500); + } + } + + private String getPageContents(String address) throws IOException { + URL url = new URL(address); + try (BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream()))) { + return br.lines().collect(Collectors.joining(System.lineSeparator())); + } + } + + private void storeLocation(String ipv4) throws AmazonServiceException { + String now = ZonedDateTime.now(ZoneOffset.UTC).format(DateTimeFormatter.ISO_INSTANT); + + HashMap item_values = + new HashMap(); + + item_values.put("location", new AttributeValue(ipv4)); + item_values.put("date", new AttributeValue(now)); + + final AmazonDynamoDB ddb = AmazonDynamoDBClientBuilder.defaultClient(); + + ddb.putItem(TABLE_NAME, item_values); + } +} diff --git a/HelloWorldFunction/src/main/java/helloworld/GatewayResponse.java b/HelloWorldFunction/src/main/java/helloworld/GatewayResponse.java new file mode 100644 index 0000000..ea58a79 --- /dev/null +++ b/HelloWorldFunction/src/main/java/helloworld/GatewayResponse.java @@ -0,0 +1,33 @@ +package helloworld; + +import java.util.Collections; +import java.util.HashMap; +import java.util.Map; + +/** + * POJO containing response object for API Gateway. + */ +public class GatewayResponse { + + private final String body; + private final Map headers; + private final int statusCode; + + public GatewayResponse(final String body, final Map headers, final int statusCode) { + this.statusCode = statusCode; + this.body = body; + this.headers = Collections.unmodifiableMap(new HashMap<>(headers)); + } + + public String getBody() { + return body; + } + + public Map getHeaders() { + return headers; + } + + public int getStatusCode() { + return statusCode; + } +} diff --git a/README.md b/README.md index 91d1dde..9debd5e 100644 --- a/README.md +++ b/README.md @@ -1 +1,2 @@ # amazon-codeguru-sample-lambda-function +This project contains source code and supporting files to test Amazon CodeGuru with a sample serverless app. \ No newline at end of file diff --git a/events/event.json b/events/event.json new file mode 100644 index 0000000..3822fad --- /dev/null +++ b/events/event.json @@ -0,0 +1,63 @@ +{ + "body": "{\"message\": \"hello world\"}", + "resource": "/{proxy+}", + "path": "/path/to/resource", + "httpMethod": "POST", + "isBase64Encoded": false, + "queryStringParameters": { + "foo": "bar" + }, + "pathParameters": { + "proxy": "/path/to/resource" + }, + "stageVariables": { + "baz": "qux" + }, + "headers": { + "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", + "Accept-Encoding": "gzip, deflate, sdch", + "Accept-Language": "en-US,en;q=0.8", + "Cache-Control": "max-age=0", + "CloudFront-Forwarded-Proto": "https", + "CloudFront-Is-Desktop-Viewer": "true", + "CloudFront-Is-Mobile-Viewer": "false", + "CloudFront-Is-SmartTV-Viewer": "false", + "CloudFront-Is-Tablet-Viewer": "false", + "CloudFront-Viewer-Country": "US", + "Host": "1234567890.execute-api.us-east-1.amazonaws.com", + "Upgrade-Insecure-Requests": "1", + "User-Agent": "Custom User Agent String", + "Via": "1.1 08f323deadbeefa7af34d5feb414ce27.cloudfront.net (CloudFront)", + "X-Amz-Cf-Id": "cDehVQoZnx43VYQb9j2-nvCh-9z396Uhbp027Y2JvkCPNLmGJHqlaA==", + "X-Forwarded-For": "127.0.0.1, 127.0.0.2", + "X-Forwarded-Port": "443", + "X-Forwarded-Proto": "https" + }, + "requestContext": { + "accountId": "123456789012", + "resourceId": "123456", + "stage": "prod", + "requestId": "c6af9ac6-7b61-11e6-9a41-93e8deadbeef", + "requestTime": "09/Apr/2015:12:34:56 +0000", + "requestTimeEpoch": 1428582896000, + "identity": { + "cognitoIdentityPoolId": null, + "accountId": null, + "cognitoIdentityId": null, + "caller": null, + "accessKey": null, + "sourceIp": "127.0.0.1", + "cognitoAuthenticationType": null, + "cognitoAuthenticationProvider": null, + "userArn": null, + "userAgent": "Custom User Agent String", + "user": null + }, + "path": "/prod/path/to/resource", + "resourcePath": "/{proxy+}", + "httpMethod": "POST", + "apiId": "1234567890", + "protocol": "HTTP/1.1" + } + } + \ No newline at end of file diff --git a/template.yaml b/template.yaml new file mode 100644 index 0000000..c511bc6 --- /dev/null +++ b/template.yaml @@ -0,0 +1,69 @@ +AWSTemplateFormatVersion: '2010-09-09' +Transform: AWS::Serverless-2016-10-31 +Description: > + amazon-codeguru-sample-lambda-function + + Sample SAM Template for amazon-codeguru-sample-lambda-function + +# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst +Globals: + Function: + Timeout: 20 + +Resources: + + LocationsTable: + Type: AWS::DynamoDB::Table + Properties: + BillingMode: PAY_PER_REQUEST + AttributeDefinitions: + - + AttributeName: "location" + AttributeType: S + - + AttributeName: "date" + AttributeType: S + KeySchema: + - + AttributeName: "location" + KeyType: HASH + - + AttributeName: "date" + KeyType: RANGE + + HelloWorldFunction: + Type: AWS::Serverless::Function # More info about Function Resource: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction + Properties: + CodeUri: HelloWorldFunction + Handler: helloworld.App::handleRequest + Runtime: java11 + MemorySize: 512 + Policies: + - DynamoDBWritePolicy: + TableName: !Ref LocationsTable + Environment: # More info about Env Vars: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#environment-object + Variables: + TABLE_NAME: !Ref LocationsTable + Events: + HelloWorld: + Type: Api # More info about API Event Source: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#api + Properties: + Path: /hello + Method: get + +Outputs: + # ServerlessRestApi is an implicit API created out of Events key under Serverless::Function + # Find out more about other implicit resources you can reference within SAM + # https://github.com/awslabs/serverless-application-model/blob/master/docs/internals/generated_resources.rst#api + HelloWorldApi: + Description: "API Gateway endpoint URL for Prod stage for Hello World function" + Value: !Sub "https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/hello/" + HelloWorldFunction: + Description: "Hello World Lambda Function ARN" + Value: !GetAtt HelloWorldFunction.Arn + HelloWorldFunctionIamRole: + Description: "Implicit IAM Role created for Hello World function" + Value: !GetAtt HelloWorldFunctionRole.Arn + LocationsTableName: + Description: "Locations table name" + Value: !Ref LocationsTable \ No newline at end of file