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AWSTemplateFormatVersion: ‘2010-09-09’ Description: “Template to setup the AWS CloudWatch Logs collection using Amazon Kinesis Firehose and send the data to provided Sumo Logic URL.” Metadata: AWS:ServerlessRepoApplication Author: Sumo Logic Description: This solution helps to setup the AWS CloudWatch Logs collection using Amazon Kinesis Firehose and send the data to provided Sumo Logic URL. HomePageUrl: https://github.com/SumoLogic/sumologic-aws-lambda Labels: - lambda - sumologic - serverless - kinesis - firehose - cloudwatch - logs Name: sumologic-kinesis-cloudwatch-logs SemanticVersion: 1.0.0 SourceCodeUrl: https://github.com/SumoLogic/sumologic-aws-lambda/tree/master/kinesis-firehose-cloudwatch-collection/logs LicenseUrl: ./LICENSE ReadmeUrl: ./README.md SpdxLicenseId: Apache-2.0 ‘AWS:CloudFormationInterface’ ParameterGroups: - Label: default: “1. Sumo Logic Kinesis Firehose Logs Configuration” Parameters: - Section1aSumoLogicKinesisLogsURL - Label: default: “2. Failed Data AWS S3 Bucket Configuration” Parameters: - Section2aCreateS3Bucket - Section2bFailedDataS3Bucket ParameterLabels: Section1aSumoLogicKinesisLogsURL: default: “Sumo Logic AWS Kinesis Firehose for Logs Source URL” Section2aCreateS3Bucket: default: “Create AWS S3 Bucket” Section2bFailedDataS3Bucket: default: “AWS S3 Bucket Name for Failed Data” Parameters: Section1aSumoLogicKinesisLogsURL: Type: String Description: “Provide HTTP Source Address from AWS Kinesis Firehose for Logs source created on your Sumo Logic account.” AllowedPattern: “.+” ConstraintDescription: “Sumo Logic AWS Kinesis Firehose for Logs Source URL can not be empty.” Section2aCreateS3Bucket: Type: String Default: ‘Yes’ Description: “Yes - Create a new AWS S3 Bucket to store failed data.’. No - Use an existing AWS S3 Bucket to store failed data.” AllowedValues: - ‘Yes’ - ‘No’ Section2bFailedDataS3Bucket: Type: String Description: “Provide a unique name of AWS S3 bucket where you would like to store Failed data. In case of existing AWS S3 bucket, provide the bucket from the current AWS Account. For Logs, failed data will be stored in folder prefix as SumoLogic-Kinesis-Failed-Logs.” AllowedPattern: “[a-z0-9-.]{3,63}$” ConstraintDescription: “3-63 characters; must contain only lowercase letters, numbers, hyphen or period. For more details - https://docs.aws.amazon.com/AmazonS3/latest/userguide/bucketnamingrules.html” Conditions: create_bucket: !Equals [ !Ref Section2aCreateS3Bucket, ‘Yes’ ] Mappings: ArnValue: us-east-1: ArnValue: “aws” us-east-2: ArnValue: “aws” us-west-1: ArnValue: “aws” us-west-2: ArnValue: “aws” af-south-1: ArnValue: “aws” ca-central-1: ArnValue: “aws” eu-central-1: ArnValue: “aws” eu-west-1: ArnValue: “aws” eu-west-2: ArnValue: “aws” eu-south-1: ArnValue: “aws” eu-west-3: ArnValue: “aws” eu-north-1: ArnValue: “aws” ap-east-1: ArnValue: “aws” ap-northeast-1: ArnValue: “aws” ap-northeast-2: ArnValue: “aws” ap-northeast-3: ArnValue: “aws” ap-southeast-1: ArnValue: “aws” ap-southeast-2: ArnValue: “aws” ap-south-1: ArnValue: “aws” me-south-1: ArnValue: “aws” sa-east-1: ArnValue: “aws” us-gov-west-1: ArnValue: “aws-us-gov” us-gov-east-1: ArnValue: “aws-us-gov” cn-north-1: ArnValue: “aws” cn-northwest-1: ArnValue: “aws” Resources: # Common Resources including creating bucket, create logs role and attach bucket policy. FailedDataBucket: Type: AWS:S3:Bucket Condition: create_bucket Metadata: cfn_nag: rules_to_suppress: - id: W51 reason: “Role has been assigned permission to put logs in AWS S3 bucket.” - id: W35 reason: “Access logging not required for AWS S3 Bucket.” - id: W41 reason: “Encryption not required for AWS S3 Bucket.” Properties: BucketName: !Ref Section2bFailedDataS3Bucket AccessControl: Private PublicAccessBlockConfiguration: BlockPublicAcls: true BlockPublicPolicy: true IgnorePublicAcls: true RestrictPublicBuckets: true FirehoseLogsRole: Type: AWS:IAM:Role Properties: AssumeRolePolicyDocument: Version: ‘2012-10-17’ Statement: - Sid: ‘FirehoseAssumeRole’ Effect: Allow Principal: Service: firehose.amazonaws.com Action: sts:AssumeRole Condition: StringEquals: stsExternalId !Ref “AWS::AccountId” AttachBucketPolicyToFirehoseLogsRole: Type: AWS:IAM:Policy Properties: PolicyName: “S3BucketPermissionPolicy” PolicyDocument: Version: ‘2012-10-17’ Statement: - Effect: Allow Action: - s3:AbortMultipartUpload - s3:GetBucketLocation - s3:GetObject - s3:ListBucket - s3:ListBucketMultipartUploads - s3:PutObject Resource: - !Sub - “arn:${arn}s3::${S3Bucket}/*” - arn: !FindInMap [ArnValue, !Ref “AWS::Region”, ArnValue] S3Bucket: !Ref Section2bFailedDataS3Bucket - !Sub - “arn:${arn}s3::${S3Bucket}” - arn: !FindInMap [ArnValue, !Ref “AWS::Region”, ArnValue] S3Bucket: !Ref Section2bFailedDataS3Bucket Roles: - Ref: FirehoseLogsRole # Resources for AWS Kinesis Logs including log group, stream, delivery stream, subscription filter, policy and role. KinesisLogsLogGroup: Type: AWS:Logs:LogGroup Properties: LogGroupName: !Sub - “/aws/kinesisfirehose/Kinesis-Logs-${StackID}” - StackID: !Select - 0 - !Split - “-” - !Select - 2 - !Split [“/”, !Ref “AWS::StackId”] RetentionInDays: 7 KinesisLogsLogStream: Type: AWS:Logs:LogStream Properties: LogGroupName: !Ref KinesisLogsLogGroup LogStreamName: “HttpEndpointDelivery” KinesisLogsLogStreamS3: Type: AWS:Logs:LogStream Properties: LogGroupName: !Ref KinesisLogsLogGroup LogStreamName: “S3Delivery” KinesisLogsRole: Type: AWS:IAM:Role Properties: AssumeRolePolicyDocument: Version: ‘2012-10-17’ Statement: - Sid: ‘LogsAssumeRole’ Effect: Allow Principal: Service: !Sub “logs.${AWS::Region}.amazonaws.com” Action: sts:AssumeRole KinesisLogsRolePolicy: Type: AWS:IAM:Policy Properties: PolicyName: “KinesisFirehoseLogsPolicy” PolicyDocument: Version: ‘2012-10-17’ Statement: - Effect: Allow Action: - firehose:PutRecord - firehose:PutRecordBatch - kinesis:PutRecord - kinesis:PutRecordBatch Resource: !Sub - “arn:${arn}firehose${Region}:${AccountId}:*” - arn: !FindInMap [ArnValue, !Ref “AWS::Region”, ArnValue] Region: !Ref “AWS::Region” AccountId: !Ref “AWS::AccountId” - Effect: Allow Action: - iam:PassRole Resource: !Sub - “arn:${arn}iam:${AccountId}:role/${KinesisLogsRole}” - arn: !FindInMap [ArnValue, !Ref “AWS::Region”, ArnValue] AccountId: !Ref “AWS::AccountId” KinesisLogsRole: !Ref KinesisLogsRole Roles: - Ref: KinesisLogsRole KinesisLogsDeliveryStream: Type: AWS:KinesisFirehose:DeliveryStream Properties: DeliveryStreamName: !Sub - “Kinesis-Logs-${StackID}” - StackID: !Select - 0 - !Split - “-” - !Select - 2 - !Split [“/”, !Ref “AWS::StackId”] DeliveryStreamType: DirectPut HttpEndpointDestinationConfiguration: RoleARN: !GetAtt FirehoseLogsRole.Arn EndpointConfiguration: Url: !Ref Section1aSumoLogicKinesisLogsURL Name: !Sub “${AWS::StackName}-sumologic-logs-endpoint” RequestConfiguration: ContentEncoding: GZIP CloudWatchLoggingOptions: Enabled: true LogGroupName: !Ref KinesisLogsLogGroup LogStreamName: !Ref KinesisLogsLogStream BufferingHints: IntervalInSeconds: 60 SizeInMBs: 4 RetryOptions: DurationInSeconds: 60 S3BackupMode: FailedDataOnly S3Configuration: BucketARN: !If - create_bucket - !GetAtt FailedDataBucket.Arn - !Sub - “arn:${arn}s3::${S3Bucket}” - arn: !FindInMap [ArnValue, !Ref “AWS::Region”, ArnValue] S3Bucket: !Ref Section2bFailedDataS3Bucket CompressionFormat: UNCOMPRESSED ErrorOutputPrefix: “SumoLogic-Kinesis-Failed-Logs/” RoleARN: !GetAtt FirehoseLogsRole.Arn CloudWatchLoggingOptions: Enabled: true LogGroupName: !Ref KinesisLogsLogGroup LogStreamName: !Ref KinesisLogsLogStreamS3 KinesisLogsFirehoseRolePolicy: Type: AWS:IAM:Policy Properties: PolicyName: “KinesisLogsLogStreamPermissionPolicy” PolicyDocument: Version: ‘2012-10-17’ Statement: - Effect: Allow Action: - logs:PutLogEvents Resource: - !GetAtt KinesisLogsLogGroup.Arn - !Sub “${KinesisLogsLogGroup.Arn}log stream*” - Effect: Allow Action: - kinesis:DescribeStream - kinesis:GetShardIterator - kinesis:GetRecords - kinesis:ListShards Resource: - !GetAtt KinesisLogsDeliveryStream.Arn Roles: - Ref: FirehoseLogsRole SubscriptionFilter: Type: AWS:Logs:SubscriptionFilter Properties: RoleArn: !GetAtt KinesisLogsRole.Arn LogGroupName: !Ref KinesisLogsLogGroup FilterPattern: ‘’ DestinationArn: !GetAtt KinesisLogsDeliveryStream.Arn Outputs: FailedDataBucketArn: Description: “S3 Bucket Arn where failed deliveries will be saved” Condition: create_bucket Value: !GetAtt FailedDataBucket.Arn KinesisLogsDeliveryStreamARN: Description: “The ARN for your Kinesis Firehose Delivery Stream, use this as the destination when adding CloudWatch Logs subscription filters.” Value: !GetAtt KinesisLogsDeliveryStream.Arn KinesisLogsRoleARN: Description: “The ARN for your CloudWatch Logs role to write to your delivery stream, use this as the role-arn when adding CloudWatch Logs subscription filters.” Value: !GetAtt KinesisLogsRole.Arn KinesisLogsLogGroupARN: Description: “The CloudWatch log group name where kinesis stream logs will be sent.” Value: !Ref KinesisLogsLogGroup