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Javi

AWS: VPC 2AZs

Javi
Mar 1st, 2018
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  1. ---
  2. AWSTemplateFormatVersion: '2010-09-09'
  3. Description: '2AZs (pub+priv) (based on cloudonaut.io template)'
  4. # Invoke with
  5. # aws cloudformation create-stack --stack-name <name> --template-body https://pastebin.com/raw/<id> --parameters ParameterKey=Owner,ParameterValue=<owner> ParameterKey=ClassB,ParameterValue=10 ParameterKey=NatSubnetZone,ParameterValue=B --profile awslabs
  6. Metadata:
  7.   'AWS::CloudFormation::Interface':
  8.     ParameterGroups:
  9.     - Label:
  10.         default: 'VPC Parameters'
  11.       Parameters:
  12.      - ClassB
  13. Parameters:
  14.   ClassB:
  15.     Description: 'Class B of VPC (10.XXX.0.0/16)'
  16.     Type: Number
  17.     Default: 0
  18.     ConstraintDescription: 'Must be in the range [0-255]'
  19.     MinValue: 0
  20.     MaxValue: 255
  21.   Owner:
  22.     Description: 'Owner of the resources.'
  23.     Type: String
  24.   NatSubnetZone:
  25.     Description: 'NATgw Subnet zone.'
  26.     Type: String
  27.     Default: A
  28.     AllowedValues:
  29.    - A
  30.     - B
  31. Conditions:
  32.   NatInPublicSubnetA: !Equals [ !Ref NatSubnetZone, A ]    
  33.  
  34. Resources:
  35.   VPC:
  36.     Type: 'AWS::EC2::VPC'
  37.     Properties:
  38.       CidrBlock: !Sub '10.${ClassB}.0.0/16'
  39.       EnableDnsSupport: true
  40.       EnableDnsHostnames: true
  41.       InstanceTenancy: default
  42.       Tags:
  43.       - Key: Name
  44.         Value: !Sub '${Owner}-vpc-${ClassB}'
  45.       - Key: Owner
  46.         Value: !Sub '${Owner}'
  47.   InternetGateway:
  48.     Type: 'AWS::EC2::InternetGateway'
  49.     Properties:
  50.       Tags:
  51.       - Key: Name
  52.         Value: !Sub '${Owner}-igw-${ClassB}'
  53.       - Key: Owner
  54.         Value: !Sub '${Owner}'
  55.   VPCGatewayAttachment:
  56.     Type: 'AWS::EC2::VPCGatewayAttachment'
  57.     Properties:
  58.       VpcId: !Ref VPC
  59.       InternetGatewayId: !Ref InternetGateway
  60.   SubnetAPublic:
  61.     Type: 'AWS::EC2::Subnet'
  62.     Properties:
  63.       AvailabilityZone: !Select [0, !GetAZs '']
  64.       CidrBlock: !Sub '10.${ClassB}.0.0/20'
  65.       MapPublicIpOnLaunch: true
  66.       VpcId: !Ref VPC
  67.       Tags:
  68.       - Key: Name
  69.         Value: !Sub '${Owner}-sub-${ClassB}-A public'
  70.       - Key: Reach
  71.         Value: public
  72.       - Key: Owner
  73.         Value: !Sub '${Owner}'
  74.   SubnetAPrivate:
  75.     Type: 'AWS::EC2::Subnet'
  76.     Properties:
  77.       AvailabilityZone: !Select [0, !GetAZs '']
  78.       CidrBlock: !Sub '10.${ClassB}.16.0/20'
  79.       VpcId: !Ref VPC
  80.       Tags:
  81.       - Key: Name
  82.         Value: !Sub '${Owner}-sub-${ClassB}-A private'
  83.       - Key: Reach
  84.         Value: private
  85.       - Key: Owner
  86.         Value: !Sub '${Owner}'
  87.   SubnetBPublic:
  88.     Type: 'AWS::EC2::Subnet'
  89.     Properties:
  90.       AvailabilityZone: !Select [1, !GetAZs '']
  91.       CidrBlock: !Sub '10.${ClassB}.32.0/20'
  92.       MapPublicIpOnLaunch: true
  93.       VpcId: !Ref VPC
  94.       Tags:
  95.       - Key: Name
  96.         Value: !Sub '${Owner}-sub-${ClassB}-B public'
  97.       - Key: Reach
  98.         Value: public
  99.       - Key: Owner
  100.         Value: !Sub '${Owner}'
  101.   SubnetBPrivate:
  102.     Type: 'AWS::EC2::Subnet'
  103.     Properties:
  104.       AvailabilityZone: !Select [1, !GetAZs '']
  105.       CidrBlock: !Sub '10.${ClassB}.48.0/20'
  106.       VpcId: !Ref VPC
  107.       Tags:
  108.       - Key: Name
  109.         Value: !Sub '${Owner}-sub-${ClassB}-B private'
  110.       - Key: Reach
  111.         Value: private
  112.       - Key: Owner
  113.         Value: !Sub '${Owner}'
  114.   RouteTablePublic:
  115.     Type: 'AWS::EC2::RouteTable'
  116.     Properties:
  117.       VpcId: !Ref VPC
  118.       Tags:
  119.       - Key: Name
  120.         Value: !Sub '${Owner}-rt-${ClassB}-public'
  121.       - Key: Owner
  122.         Value: !Sub '${Owner}'
  123.   RouteTablePrivate:
  124.     Type: 'AWS::EC2::RouteTable'
  125.     Properties:
  126.       VpcId: !Ref VPC
  127.       Tags:
  128.       - Key: Name
  129.         Value: !Sub '${Owner}-rt-${ClassB}-private'
  130.       - Key: Owner
  131.         Value: !Sub '${Owner}'
  132.   RouteTableAssociationAPublic:
  133.     Type: 'AWS::EC2::SubnetRouteTableAssociation'
  134.     Properties:
  135.       SubnetId: !Ref SubnetAPublic
  136.       RouteTableId: !Ref RouteTablePublic
  137.   RouteTableAssociationAPrivate:
  138.     Type: 'AWS::EC2::SubnetRouteTableAssociation'
  139.     Properties:
  140.       SubnetId: !Ref SubnetAPrivate
  141.       RouteTableId: !Ref RouteTablePrivate
  142.   RouteTableAssociationBPublic:
  143.     Type: 'AWS::EC2::SubnetRouteTableAssociation'
  144.     Properties:
  145.       SubnetId: !Ref SubnetBPublic
  146.       RouteTableId: !Ref RouteTablePublic
  147.   RouteTableAssociationBPrivate:
  148.     Type: 'AWS::EC2::SubnetRouteTableAssociation'
  149.     Properties:
  150.       SubnetId: !Ref SubnetBPrivate
  151.       RouteTableId: !Ref RouteTablePrivate
  152.   RouteTablePublicInternetRoute:
  153.     Type: 'AWS::EC2::Route'
  154.     DependsOn: VPCGatewayAttachment
  155.     Properties:
  156.       RouteTableId: !Ref RouteTablePublic
  157.       DestinationCidrBlock: '0.0.0.0/0'
  158.       GatewayId: !Ref InternetGateway
  159.      
  160.      
  161.      
  162.   EIP:
  163.     Type: 'AWS::EC2::EIP'
  164.     Properties:
  165.       Domain: vp      
  166.   NatGateway:
  167.     Type: 'AWS::EC2::NatGateway'
  168.     Properties:
  169.       AllocationId: !GetAtt 'EIP.AllocationId'
  170.       SubnetId: !If [NatInPublicSubnetA, !Ref SubnetAPublic, !Ref SubnetBPublic]
  171.   Route:
  172.     Type: AWS::EC2::Route
  173.     Properties:
  174.       RouteTableId: !Ref RouteTablePrivate
  175.       DestinationCidrBlock: '0.0.0.0/0'
  176.       NatGatewayId: !Ref NatGateway  
  177.  
  178.  
  179.      
  180. Outputs:
  181.   TemplateID:
  182.     Description: 'cloudonaut.io template id'
  183.     Value: 'vpc/vpc-2azs'
  184.   StackName:
  185.     Description: 'Stack name'
  186.     Value: !Sub '${AWS::StackName}'
  187.   AZs:
  188.     Description: 'AZs'
  189.     Value: 2
  190.     Export:
  191.       Name: !Sub '${AWS::StackName}-AZs'
  192.   AZA:
  193.     Description: 'AZ of A'
  194.     Value: !Select [0, !GetAZs '']
  195.     Export:
  196.       Name: !Sub '${AWS::StackName}-AZA'
  197.   AZB:
  198.     Description: 'AZ of B'
  199.     Value: !Select [1, !GetAZs '']
  200.     Export:
  201.       Name: !Sub '${AWS::StackName}-AZB'
  202.   ClassB:
  203.     Description: 'Class B.'
  204.     Value: !Ref ClassB
  205.     Export:
  206.       Name: !Sub '${AWS::StackName}-ClassB'
  207.   VPC:
  208.     Description: 'VPC.'
  209.     Value: !Ref VPC
  210.     Export:
  211.       Name: !Sub '${AWS::StackName}-VPC'
  212.   SubnetsPublic:
  213.     Description: 'Subnets public.'
  214.     Value: !Join [',', [!Ref SubnetAPublic, !Ref SubnetBPublic]]
  215.     Export:
  216.       Name: !Sub '${AWS::StackName}-SubnetsPublic'
  217.   SubnetsPrivate:
  218.     Description: 'Subnets private.'
  219.     Value: !Join [',', [!Ref SubnetAPrivate, !Ref SubnetBPrivate]]
  220.     Export:
  221.       Name: !Sub '${AWS::StackName}-SubnetsPrivate'
  222.   SubnetAPublic:
  223.     Description: 'Subnet A public.'
  224.     Value: !Ref SubnetAPublic
  225.     Export:
  226.       Name: !Sub '${AWS::StackName}-SubnetAPublic'
  227.   SubnetPrivate:
  228.     Description: 'Subnet A private.'
  229.     Value: !Ref SubnetAPrivate
  230.     Export:
  231.       Name: !Sub '${AWS::StackName}-SubnetAPrivate'
  232.   SubnetBPublic:
  233.     Description: 'Subnet B public.'
  234.     Value: !Ref SubnetBPublic
  235.     Export:
  236.       Name: !Sub '${AWS::StackName}-SubnetBPublic'
  237.   SubnetBPrivate:
  238.     Description: 'Subnet B private.'
  239.     Value: !Ref SubnetBPrivate
  240.     Export:
  241.       Name: !Sub '${AWS::StackName}-SubnetBPrivate'
  242.   RouteTablePrivate:
  243.     Description: 'Route table private (deprecated in v4, will be removed in v5).'
  244.     Value: !Ref RouteTablePrivate
  245.     Export:
  246.       Name: !Sub '${AWS::StackName}-RouteTablePrivate'
  247.   RouteTablePublic:
  248.     Description: 'Route table public (deprecated in v4, will be removed in v5).'
  249.     Value: !Ref RouteTablePublic
  250.     Export:
  251.       Name: !Sub '${AWS::StackName}-RouteTablePublic'
  252.   NATIPAddress:
  253.     Description: 'The public IP address of the NAT gateway.'
  254.     Value: !Ref EIP
  255.     Export:
  256.       Name: !Sub '${AWS::StackName}-NATIPAddress'
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