Amazon Web Services - (AWS) Certification is fast becoming the must have certificate for any IT professional working with AWS. This course is designed to help you pass the AWS Certified Developer Associate (CDA) 2020 Exam. Even if you have never logged in to the AWS platform before, by the end of our AWS training videos you will be able to take the CDA exam. No specific programming knowledge is needed (though knowing a language would be advantageous) and no prior AWS experience required. With AWS certification under your belt (and optionally after completing our AWS Certified Solutions Architect course - also available on Udemy), you will be in high demand by many employers and will command a superior salary. We have taught AWS to over half a million students on Udemy in the past 5 years.
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{ "AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "The Amazon Kinesis Data Visualization Sample Application",
"Parameters" : { "InstanceType" : { "Description" : "EC2 instance type", "Type" : "String", "Default" : "t2.micro", "AllowedValues" : [ "t2.micro", "t2.small", "t2.medium", "m3.medium", "m3.large", "m3.xlarge", "m3.2xlarge", "c3.large", "c3.xlarge", "c3.2xlarge", "c3.4xlarge", "c3.8xlarge" ], "ConstraintDescription" : "must be a supported EC2 instance type for this template." },
"KeyName" : { "Description" : "(Optional) Name of an existing EC2 KeyPair to enable SSH access to the instance. If this is not provided you will not be able to SSH on to the EC2 instance.", "Type" : "String", "Default" : "", "MinLength" : "0", "MaxLength" : "255", "AllowedPattern" : "[\x20-\x7E]*", "ConstraintDescription" : "can contain only ASCII characters." },
"SSHLocation" : { "Description" : "The IP address range that can be used to SSH to the EC2 instances", "Type" : "String", "MinLength" : "9", "MaxLength" : "18", "Default" : "0.0.0.0/0", "AllowedPattern" : "(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/(\d{1,2})", "ConstraintDescription" : "must be a valid IP CIDR range of the form x.x.x.x/x." },
"ApplicationArchive" : { "Description" : "A publicly accessible URL to the sample application archive as produced by 'mvn package'", "Type" : "String", "MinLength" : "7", "MaxLength" : "255", "Default" : "https://github.com/awslabs/amazon-kinesis-data-visualization-sample/releases/download/v1.1.1/amazon-kinesis-data-visualization-sample-1.1.1-assembly.zip" } },
"Conditions": { "UseEC2KeyName": {"Fn::Not": [{"Fn::Equals" : [{"Ref" : "KeyName"}, ""]}]} },
"Mappings" : { "AWSInstanceType2Arch" : { "t2.micro" : { "Arch" : "64" }, "t2.small" : { "Arch" : "64" }, "t2.medium" : { "Arch" : "64" }, "m3.medium" : { "Arch" : "64" }, "m3.large" : { "Arch" : "64" }, "m3.xlarge" : { "Arch" : "64" }, "m3.2xlarge" : { "Arch" : "64" }, "c3.large" : { "Arch" : "64" }, "c3.xlarge" : { "Arch" : "64" }, "c3.2xlarge" : { "Arch" : "64" }, "c3.4xlarge" : { "Arch" : "64" }, "c3.8xlarge" : { "Arch" : "64" } },
"AWSRegionArch2AMI" : { "us-east-1" : { "64" : "ami-76817c1e" }, "us-west-2" : { "64" : "ami-d13845e1" }, "eu-west-1" : { "64" : "ami-892fe1fe" }, "ap-southeast-1" : { "64" : "ami-a6b6eaf4" }, "ap-southeast-2" : { "64" : "ami-d9fe9be3" }, "ap-northeast-1" : { "64" : "ami-29dc9228" } } },
"Resources" : { "KinesisStream" : { "Type" : "AWS::Kinesis::Stream", "Properties" : { "ShardCount" : "2" } },
"KCLDynamoDBTable" : { "Type" : "AWS::DynamoDB::Table", "Properties" : { "AttributeDefinitions" : [ { "AttributeName" : "leaseKey", "AttributeType" : "S" } ], "KeySchema" : [ { "AttributeName" : "leaseKey", "KeyType" : "HASH" } ], "ProvisionedThroughput" : { "ReadCapacityUnits" : "10", "WriteCapacityUnits" : "5" } } },
"CountsDynamoDBTable" : { "Type" : "AWS::DynamoDB::Table", "Properties" : { "AttributeDefinitions" : [ { "AttributeName" : "resource", "AttributeType" : "S" }, { "AttributeName" : "timestamp", "AttributeType" : "S" } ], "KeySchema" : [ { "AttributeName" : "resource", "KeyType" : "HASH" }, { "AttributeName" : "timestamp", "KeyType" : "RANGE" } ], "ProvisionedThroughput" : { "ReadCapacityUnits" : "10", "WriteCapacityUnits" : "5" } } },
"Ec2SecurityGroup" : { "Type" : "AWS::EC2::SecurityGroup", "Properties" : { "GroupDescription" : "Enable SSH access and HTTP access on the inbound port", "SecurityGroupIngress" : [{ "IpProtocol" : "tcp", "FromPort" : "22", "ToPort" : "22", "CidrIp" : { "Ref" : "SSHLocation"} }, { "IpProtocol" : "tcp", "FromPort" : "80", "ToPort" : "80", "CidrIp" : "0.0.0.0/0"}] } },
"EIP" : { "Type" : "AWS::EC2::EIP", "Properties" : { "InstanceId" : { "Ref" : "Ec2Instance" } } },
"RootRole": { "Type" : "AWS::IAM::Role", "Properties" : { "AssumeRolePolicyDocument": { "Version" : "2012-10-17", "Statement" : [ { "Effect" : "Allow", "Principal" : { "Service" : [ "ec2.amazonaws.com" ] }, "Action" : [ "sts:AssumeRole" ] } ] }, "Path" : "/" } },
"RolePolicies" : { "Type" : "AWS::IAM::Policy", "Properties" : { "PolicyName" : "root", "PolicyDocument" : { "Version" : "2012-10-17", "Statement" : [ { "Effect" : "Allow", "Action" : "kinesis:*", "Resource" : { "Fn::Join" : [ "", [ "arn:aws:kinesis:", { "Ref" : "AWS::Region" }, ":", { "Ref" : "AWS::AccountId" }, ":stream/", { "Ref" : "KinesisStream" } ]]} }, { "Effect" : "Allow", "Action" : "dynamodb:*", "Resource" : { "Fn::Join" : [ "", [ "arn:aws:dynamodb:", { "Ref" : "AWS::Region" }, ":", { "Ref" : "AWS::AccountId" }, ":table/", { "Ref" : "KCLDynamoDBTable" } ]]} }, { "Effect" : "Allow", "Action" : "dynamodb:*", "Resource" : { "Fn::Join" : [ "", [ "arn:aws:dynamodb:", { "Ref" : "AWS::Region" }, ":", { "Ref" : "AWS::AccountId" }, ":table/", { "Ref" : "CountsDynamoDBTable" } ]]} }, { "Effect" : "Allow", "Action" : "cloudwatch:*", "Resource" : "*" } ] }, "Roles" : [ { "Ref": "RootRole" } ] } },
"RootInstanceProfile" : { "Type" : "AWS::IAM::InstanceProfile", "Properties" : { "Path" : "/", "Roles" : [ { "Ref": "RootRole" } ] } },
"Ec2Instance": { "Type" : "AWS::EC2::Instance", "Metadata" : { "AWS::CloudFormation::Init" : { "config" : { "packages" : { "yum" : { "java-1.7.0-openjdk" : [] } }, "files" : { "/var/kinesis-data-vis-sample-app/watchdog.sh" : { "content" : {"Fn::Join" : ["", [ "#!/bin/bashn", "if ! ps aux | grep HttpReferrerCounterApplication | grep -v grep ; thenn", " # Launch the Kinesis application for counting HTTP referrer pairsn", " java -cp /var/kinesis-data-vis-sample-app/lib/\* com.amazonaws.services.kinesis.samples.datavis.HttpReferrerCounterApplication ", { "Ref" : "KCLDynamoDBTable" }, " ", { "Ref" : "KinesisStream" }, " ", { "Ref" : "CountsDynamoDBTable" }, " ", { "Ref" : "AWS::Region" }, " &>> /home/ec2-user/kinesis-data-vis-sample-app-kcl.log &n", "fin", "if ! ps aux | grep HttpReferrerStreamWriter | grep -v grep ; thenn", " # Launch our Kinesis stream writer to fill our stream with generated HTTP (resource, referrer) pairs.n", " # This will create a writer with 5 threads to send records indefinitely.n", " java -cp /var/kinesis-data-vis-sample-app/lib/\* com.amazonaws.services.kinesis.samples.datavis.HttpReferrerStreamWriter 5 ", { "Ref" : "KinesisStream" }, " ", { "Ref" : "AWS::Region" }, " &>> /home/ec2-user/kinesis-data-vis-sample-app-publisher.log &n", "fin", "if ! ps aux | grep WebServer | grep -v grep ; thenn", " # Launch the webservern", " java -cp /var/kinesis-data-vis-sample-app/lib/\* com.amazonaws.services.kinesis.samples.datavis.WebServer 80 /var/kinesis-data-vis-sample-app/wwwroot ", { "Ref" : "CountsDynamoDBTable" }, " ", { "Ref" : "AWS::Region" }, " &>> /home/ec2-user/kinesis-data-vis-sample-app-www.log &n", "fin" ]]}, "mode" : "000755", "owner" : "ec2-user", "group" : "ec2-user" }, "/var/kinesis-data-vis-sample-app/crontask" : { "content" : {"Fn::Join" : ["", [ "* * * * * bash /var/kinesis-data-vis-sample-app/watchdog.shn" ]]}, "mode" : "000644", "owner" : "ec2-user", "group" : "ec2-user" } }, "sources": { "/var/kinesis-data-vis-sample-app" : { "Ref" : "ApplicationArchive" } } } } },
"Properties" : { "KeyName" : { "Fn::If" : [ "UseEC2KeyName", { "Ref" : "KeyName" }, { "Ref" : "AWS::NoValue" } ]}, "ImageId" : { "Fn::FindInMap" : [ "AWSRegionArch2AMI", { "Ref" : "AWS::Region" }, { "Fn::FindInMap" : [ "AWSInstanceType2Arch", { "Ref" : "InstanceType" }, "Arch" ] } ] }, "InstanceType" : { "Ref" : "InstanceType" }, "SecurityGroups" : [{ "Ref" : "Ec2SecurityGroup" }], "IamInstanceProfile": { "Ref": "RootInstanceProfile" }, "UserData" : { "Fn::Base64" : { "Fn::Join" : ["", [ "#!/bin/bashn", "yum update -y aws-cfn-bootstrapn",
"/opt/aws/bin/cfn-init -s ", { "Ref" : "AWS::StackId" }, " -r Ec2Instance ", " --region ", { "Ref" : "AWS::Region" }, "n",
"# Register watchdog script with cronn", "crontab /var/kinesis-data-vis-sample-app/crontaskn",
"# Launch watchdog script immediately so if it fails this stack fails to startn", "/var/kinesis-data-vis-sample-app/watchdog.shn",
"/opt/aws/bin/cfn-signal -e $? '", { "Ref" : "WaitHandle" }, "'n" ]]}} } },
"WaitHandle" : { "Type" : "AWS::CloudFormation::WaitConditionHandle" },
"WaitCondition" : { "Type" : "AWS::CloudFormation::WaitCondition", "DependsOn" : "Ec2Instance", "Properties" : { "Handle" : {"Ref" : "WaitHandle"}, "Timeout" : "600" } } }, "Outputs" : { "URL" : { "Description" : "URL to the sample application's visualization", "Value" : { "Fn::Join" : [ "", [ "http://", { "Fn::GetAtt" : [ "Ec2Instance", "PublicDnsName" ] }]]} }, "InstanceId" : { "Description" : "InstanceId of the newly created EC2 instance", "Value" : { "Ref" : "Ec2Instance" } }, "AZ" : { "Description" : "Availability Zone of the newly created EC2 instance", "Value" : { "Fn::GetAtt" : [ "Ec2Instance", "AvailabilityZone" ] } }, "StreamName" : { "Description" : "The name of the Kinesis Stream. This was autogenerated by the Kinesis Resource named 'KinesisStream'", "Value" : { "Ref" : "KinesisStream" } }, "ApplicationName" : { "Description" : "The name of the Kinesis Client Application. This was autogenerated by the DynamoDB Resource named 'KCLDynamoDBTable'", "Value" : { "Ref" : "KCLDynamoDBTable" } }, "CountsTable" : { "Description" : "The name of the DynamoDB table where counts are persisted. This was autogenerated by the DynamoDB Resource named 'CountsDynamoDBTable'", "Value" : { "Ref" : "CountsDynamoDBTable" } } } }
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