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vpc.yaml
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vpc.yaml
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---
AWSTemplateFormatVersion: '2010-09-09'
Description: 'AWS in Action: chapter 6 (VPC)'
Parameters:
KeyName:
Description: 'Key Pair name'
Type: 'AWS::EC2::KeyPair::KeyName'
Default: mykey
Mappings:
RegionMap:
'ap-south-1':
AMI: 'ami-2ed19c41'
'eu-west-3':
AMI: 'ami-c8a017b5'
'eu-west-2':
AMI: 'ami-e3051987'
'eu-west-1':
AMI: 'ami-760aaa0f'
'ap-northeast-2':
AMI: 'ami-fc862292'
'ap-northeast-1':
AMI: 'ami-2803ac4e'
'sa-east-1':
AMI: 'ami-1678037a'
'ca-central-1':
AMI: 'ami-ef3b838b'
'ap-southeast-1':
AMI: 'ami-dd7935be'
'ap-southeast-2':
AMI: 'ami-1a668878'
'eu-central-1':
AMI: 'ami-e28d098d'
'us-east-1':
AMI: 'ami-6057e21a'
'us-east-2':
AMI: 'ami-aa1b34cf'
'us-west-1':
AMI: 'ami-1a033c7a'
'us-west-2':
AMI: 'ami-32d8124a'
Resources:
SecurityGroup:
Type: 'AWS::EC2::SecurityGroup'
Properties:
GroupDescription: 'Allowing all incoming and outgoing traffic.'
VpcId: !Ref VPC
SecurityGroupIngress:
- IpProtocol: '-1'
FromPort: -1
ToPort: -1
CidrIp: '0.0.0.0/0'
SecurityGroupEgress:
- IpProtocol: '-1'
FromPort: -1
ToPort: -1
CidrIp: '0.0.0.0/0'
Tags:
- Key: Name
Value: 'AWS in Action: chapter 6 (VPC)'
VPC:
Type: 'AWS::EC2::VPC'
Properties:
CidrBlock: '10.0.0.0/16'
EnableDnsHostnames: true
Tags:
- Key: Name
Value: 'AWS in Action: chapter 6 (VPC)'
InternetGateway:
Type: 'AWS::EC2::InternetGateway'
Properties: {}
VPCGatewayAttachment:
Type: 'AWS::EC2::VPCGatewayAttachment'
Properties:
VpcId: !Ref VPC
InternetGatewayId: !Ref InternetGateway
SubnetPublicNAT:
Type: 'AWS::EC2::Subnet'
Properties:
AvailabilityZone: !Select [0, !GetAZs '']
CidrBlock: '10.0.0.0/24'
VpcId: !Ref VPC
Tags:
- Key: Name
Value: 'Public NAT'
RouteTablePublicNAT:
Type: 'AWS::EC2::RouteTable'
Properties:
VpcId: !Ref VPC
RouteTableAssociationPublicNAT:
Type: 'AWS::EC2::SubnetRouteTableAssociation'
Properties:
SubnetId: !Ref SubnetPublicNAT
RouteTableId: !Ref RouteTablePublicNAT
RoutePublicNATToInternet:
Type: 'AWS::EC2::Route'
Properties:
RouteTableId: !Ref RouteTablePublicNAT
DestinationCidrBlock: '0.0.0.0/0'
GatewayId: !Ref InternetGateway
DependsOn: VPCGatewayAttachment
NetworkAclPublicNAT:
Type: 'AWS::EC2::NetworkAcl'
Properties:
VpcId: !Ref VPC
SubnetNetworkAclAssociationPublicNAT:
Type: 'AWS::EC2::SubnetNetworkAclAssociation'
Properties:
SubnetId: !Ref SubnetPublicNAT
NetworkAclId: !Ref NetworkAclPublicNAT
NetworkAclEntryInPublicNATHTTP:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicNAT
RuleNumber: 100
Protocol: 6
PortRange:
From: 80
To: 80
RuleAction: 'allow'
Egress: false
CidrBlock: '10.0.0.0/16'
NetworkAclEntryInPublicNATHTTPS:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicNAT
RuleNumber: 110
Protocol: 6
PortRange:
From: 443
To: 443
RuleAction: 'allow'
Egress: false
CidrBlock: '10.0.0.0/16'
NetworkAclEntryInPublicNATEphemeralPorts:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicNAT
RuleNumber: 200
Protocol: 6
PortRange:
From: 1024
To: 65535
RuleAction: 'allow'
Egress: false
CidrBlock: '0.0.0.0/0'
NetworkAclEntryOutPublicNATHTTP:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicNAT
RuleNumber: 100
Protocol: 6
PortRange:
From: 80
To: 80
RuleAction: 'allow'
Egress: true
CidrBlock: '0.0.0.0/0'
NetworkAclEntryOutPublicNATHTTPS:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicNAT
RuleNumber: 110
Protocol: 6
PortRange:
From: 443
To: 443
RuleAction: 'allow'
Egress: true
CidrBlock: '0.0.0.0/0'
NetworkAclEntryOutPublicNATEphemeralPorts:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicNAT
RuleNumber: 200
Protocol: 6
PortRange:
From: 1024
To: 65535
RuleAction: 'allow'
Egress: true
CidrBlock: '0.0.0.0/0'
SubnetPublicBastionHost:
Type: 'AWS::EC2::Subnet'
Properties:
AvailabilityZone: !Select [0, !GetAZs '']
CidrBlock: '10.0.1.0/24'
VpcId: !Ref VPC
Tags:
- Key: Name
Value: 'Public Bastion Host'
RouteTablePublicBastionHost:
Type: 'AWS::EC2::RouteTable'
Properties:
VpcId: !Ref VPC
RouteTableAssociationPublicBastionHost:
Type: 'AWS::EC2::SubnetRouteTableAssociation'
Properties:
SubnetId: !Ref SubnetPublicBastionHost
RouteTableId: !Ref RouteTablePublicBastionHost
RoutePublicBastionHostToInternet:
Type: 'AWS::EC2::Route'
Properties:
RouteTableId: !Ref RouteTablePublicBastionHost
DestinationCidrBlock: '0.0.0.0/0'
GatewayId: !Ref InternetGateway
DependsOn: VPCGatewayAttachment
NetworkAclPublicBastionHost:
Type: 'AWS::EC2::NetworkAcl'
Properties:
VpcId: !Ref VPC
SubnetNetworkAclAssociationPublicBastionHost:
Type: 'AWS::EC2::SubnetNetworkAclAssociation'
Properties:
SubnetId: !Ref SubnetPublicBastionHost
NetworkAclId: !Ref NetworkAclPublicBastionHost
NetworkAclEntryInPublicBastionHostSSH:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicBastionHost
RuleNumber: 100
Protocol: 6
PortRange:
From: 22
To: 22
RuleAction: 'allow'
Egress: false
CidrBlock: '0.0.0.0/0'
NetworkAclEntryInPublicBastionHostEphemeralPorts:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicBastionHost
RuleNumber: 200
Protocol: 6
PortRange:
From: 1024
To: 65535
RuleAction: 'allow'
Egress: false
CidrBlock: '10.0.0.0/16'
NetworkAclEntryOutPublicBastionHostSSH:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicBastionHost
RuleNumber: 100
Protocol: 6
PortRange:
From: 22
To: 22
RuleAction: 'allow'
Egress: true
CidrBlock: '10.0.0.0/16'
NetworkAclEntryOutPublicBastionHostEphemeralPorts:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicBastionHost
RuleNumber: 200
Protocol: 6
PortRange:
From: 1024
To: 65535
RuleAction: 'allow'
Egress: true
CidrBlock: '0.0.0.0/0'
SubnetPublicVarnishProxy:
Type: 'AWS::EC2::Subnet'
Properties:
AvailabilityZone: !Select [0, !GetAZs '']
CidrBlock: '10.0.2.0/24'
VpcId: !Ref VPC
Tags:
- Key: Name
Value: 'Public Varnish Proxy'
RouteTablePublicVarnishProxy:
Type: 'AWS::EC2::RouteTable'
Properties:
VpcId: !Ref VPC
RouteTableAssociationPublicVarnishProxy:
Type: 'AWS::EC2::SubnetRouteTableAssociation'
Properties:
SubnetId: !Ref SubnetPublicVarnishProxy
RouteTableId: !Ref RouteTablePublicVarnishProxy
RoutePublicVarnishProxyToInternet:
Type: 'AWS::EC2::Route'
Properties:
RouteTableId: !Ref RouteTablePublicVarnishProxy
DestinationCidrBlock: '0.0.0.0/0'
GatewayId: !Ref InternetGateway
DependsOn: VPCGatewayAttachment
NetworkAclPublicVarnishProxy:
Type: 'AWS::EC2::NetworkAcl'
Properties:
VpcId: !Ref VPC
SubnetNetworkAclAssociationPublicVarnishProxy:
Type: 'AWS::EC2::SubnetNetworkAclAssociation'
Properties:
SubnetId: !Ref SubnetPublicVarnishProxy
NetworkAclId: !Ref NetworkAclPublicVarnishProxy
NetworkAclEntryInPublicVarnishProxySSH:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicVarnishProxy
RuleNumber: 100
Protocol: 6
PortRange:
From: 22
To: 22
RuleAction: 'allow'
Egress: false
CidrBlock: 10.0.1.0/24
NetworkAclEntryInPublicVarnishProxyHTTP:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicVarnishProxy
RuleNumber: 110
Protocol: 6
PortRange:
From: 80
To: 80
RuleAction: 'allow'
Egress: false
CidrBlock: '0.0.0.0/0'
NetworkAclEntryInPublicVarnishProxyEphemeralPorts:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicVarnishProxy
RuleNumber: 200
Protocol: 6
PortRange:
From: 1024
To: 65535
RuleAction: 'allow'
Egress: false
CidrBlock: '0.0.0.0/0'
NetworkAclEntryOutPublicVarnishProxyHTTP:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicVarnishProxy
RuleNumber: 100
Protocol: 6
PortRange:
From: 80
To: 80
RuleAction: 'allow'
Egress: true
CidrBlock: '0.0.0.0/0'
NetworkAclEntryOutPublicVarnishProxyHTTPS:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicVarnishProxy
RuleNumber: 110
Protocol: 6
PortRange:
From: 443
To: 443
RuleAction: 'allow'
Egress: true
CidrBlock: '0.0.0.0/0'
NetworkAclEntryOutPublicVarnishProxyEphemeralPorts:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPublicVarnishProxy
RuleNumber: 200
Protocol: 6
PortRange:
From: 1024
To: 65535
RuleAction: 'allow'
Egress: true
CidrBlock: '0.0.0.0/0'
SubnetPrivateApacheWebserver:
Type: 'AWS::EC2::Subnet'
Properties:
AvailabilityZone: !Select [0, !GetAZs '']
CidrBlock: '10.0.3.0/24'
VpcId: !Ref VPC
Tags:
- Key: Name
Value: 'Private Apache Webserver'
RouteTablePrivateApacheWebserver:
Type: 'AWS::EC2::RouteTable'
Properties:
VpcId: !Ref VPC
RouteTableAssociationPrivateApacheWebserver:
Type: 'AWS::EC2::SubnetRouteTableAssociation'
Properties:
SubnetId: !Ref SubnetPrivateApacheWebserver
RouteTableId: !Ref RouteTablePrivateApacheWebserver
RoutePrivateApacheWebserverToInternet:
Type: 'AWS::EC2::Route'
Properties:
RouteTableId: !Ref RouteTablePrivateApacheWebserver
DestinationCidrBlock: '0.0.0.0/0'
NatGatewayId: !Ref NatGateway
NetworkAclPrivateApacheWebserver:
Type: 'AWS::EC2::NetworkAcl'
Properties:
VpcId: !Ref VPC
SubnetNetworkAclAssociationPrivateApacheWebserver:
Type: 'AWS::EC2::SubnetNetworkAclAssociation'
Properties:
SubnetId: !Ref SubnetPrivateApacheWebserver
NetworkAclId: !Ref NetworkAclPrivateApacheWebserver
NetworkAclEntryInPrivateApacheWebserverSSH:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPrivateApacheWebserver
RuleNumber: 100
Protocol: 6
PortRange:
From: 22
To: 22
RuleAction: 'allow'
Egress: false
CidrBlock: 10.0.1.0/24
NetworkAclEntryInPrivateApacheWebserverHTTP:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPrivateApacheWebserver
RuleNumber: 110
Protocol: 6
PortRange:
From: 80
To: 80
RuleAction: 'allow'
Egress: false
CidrBlock: '10.0.2.0/24'
NetworkAclEntryInPrivateApacheWebserverEphemeralPorts:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPrivateApacheWebserver
RuleNumber: 200
Protocol: 6
PortRange:
From: 1024
To: 65535
RuleAction: 'allow'
Egress: false
CidrBlock: '0.0.0.0/0'
NetworkAclEntryOutPrivateApacheWebserverHTTP:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPrivateApacheWebserver
RuleNumber: 100
Protocol: 6
PortRange:
From: 80
To: 80
RuleAction: 'allow'
Egress: true
CidrBlock: '0.0.0.0/0'
NetworkAclEntryOutPrivateApacheWebserverHTTPS:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPrivateApacheWebserver
RuleNumber: 110
Protocol: 6
PortRange:
From: 443
To: 443
RuleAction: 'allow'
Egress: true
CidrBlock: '0.0.0.0/0'
NetworkAclEntryOutPrivateApacheWebserverEphemeralPorts:
Type: 'AWS::EC2::NetworkAclEntry'
Properties:
NetworkAclId: !Ref NetworkAclPrivateApacheWebserver
RuleNumber: 200
Protocol: 6
PortRange:
From: 1024
To: 65535
RuleAction: 'allow'
Egress: true
CidrBlock: '10.0.0.0/16'
EIPNatGateway:
Type: 'AWS::EC2::EIP'
Properties:
Domain: 'vpc'
NatGateway:
Type: 'AWS::EC2::NatGateway'
Properties:
AllocationId: !GetAtt 'EIPNatGateway.AllocationId'
SubnetId: !Ref SubnetPublicNAT
BastionHost:
Type: AWS::EC2::Instance
Properties:
ImageId: !FindInMap [RegionMap, !Ref 'AWS::Region', AMI]
InstanceType: 't2.micro'
KeyName: !Ref KeyName
NetworkInterfaces:
- AssociatePublicIpAddress: true
DeleteOnTermination: true
SubnetId: !Ref SubnetPublicBastionHost
DeviceIndex: '0'
GroupSet:
- !Ref SecurityGroup
Tags:
- Key: Name
Value: 'Bastion Host'
DependsOn: VPCGatewayAttachment
VarnishProxy:
Type: AWS::EC2::Instance
Properties:
ImageId: !FindInMap [RegionMap, !Ref 'AWS::Region', AMI]
InstanceType: 't2.micro'
KeyName: !Ref KeyName
NetworkInterfaces:
- AssociatePublicIpAddress: true
DeleteOnTermination: true
SubnetId: !Ref SubnetPublicVarnishProxy
DeviceIndex: '0'
GroupSet:
- !Ref SecurityGroup
UserData:
'Fn::Base64': !Sub |
#!/bin/bash -x
bash -ex << "TRY"
yum -y install varnish-3.0.7
echo "backend default {" > /etc/varnish/default.vcl
echo " .host = \"${ApacheWebserver.PrivateIp}\";" >> /etc/varnish/default.vcl
echo " .port = \"80\";" >> /etc/varnish/default.vcl
echo "}" >> /etc/varnish/default.vcl
sed -i.bak "s/^VARNISH_LISTEN_PORT=.*/VARNISH_LISTEN_PORT=80/" /etc/sysconfig/varnish
service varnish start
TRY
/opt/aws/bin/cfn-signal -e $? --stack ${AWS::StackName} --resource VarnishProxy --region ${AWS::Region}
Tags:
- Key: Name
Value: 'Varnish Proxy'
CreationPolicy:
ResourceSignal:
Timeout: PT5M
DependsOn: VPCGatewayAttachment
ApacheWebserver:
Type: 'AWS::EC2::Instance'
Properties:
ImageId: !FindInMap [RegionMap, !Ref 'AWS::Region', AMI]
InstanceType: 't2.micro'
KeyName: !Ref KeyName
NetworkInterfaces:
- AssociatePublicIpAddress: false
DeleteOnTermination: true
SubnetId: !Ref SubnetPrivateApacheWebserver
DeviceIndex: '0'
GroupSet:
- !Ref SecurityGroup
UserData:
'Fn::Base64': !Sub |
#!/bin/bash -x
bash -ex << "TRY"
yum -y install httpd
service httpd start
TRY
/opt/aws/bin/cfn-signal -e $? --stack ${AWS::StackName} --resource ApacheWebserver --region ${AWS::Region}
Tags:
- Key: Name
Value: 'Apache Webserver'
CreationPolicy:
ResourceSignal:
Timeout: PT10M
DependsOn: RoutePrivateApacheWebserverToInternet
Outputs:
BastionHostPublicName:
Value: !Sub ${BastionHost.PublicDnsName}
Description: 'Public Name of Bastion Host to connect via SSH as user ec2-user.'
VarnishProxyPublicName:
Value: !Sub ${VarnishProxy.PublicDnsName}
Description: 'Public Name of Varnish Proxy handling incoming HTTP requests.'
VarnishProxyPrivateIp:
Value: !Sub ${VarnishProxy.PrivateIp}
Description: 'Private IP of Varnish Proxy to connect via SSH from Bastion Host.'
ApacheWebserverPrivateIp:
Value: !Sub ${ApacheWebserver.PrivateIp}
Description: 'Private IP of Apache Webserver to connect via SSH from Bastion Host.'