CloudFormation_Scripts/NAT-gatewaystack.yaml at main · sdcloud92/CloudFormation_Scripts · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
AWSTemplateFormatVersion: 2010-09-09

Description: This template creates a nat gateway in each public subnet

Parameters:
  ExportVpcStackName:
    Description: The name of the vpc stack that exports values
    Type: String

Resources:
  NatGateway1EIP:
    Type: AWS::EC2::EIP
    Properties:
      Domain: vpc
      Tags:
        - Key: Name
          Value: EIP 1

  NatGateway2EIP:
    Type: AWS::EC2::EIP
    Properties:
      Domain: vpc
      Tags:
        - Key: Name
          Value: EIP 2

  NatGateway1:
    Type: AWS::EC2::NatGateway
    Properties:
      AllocationId: !GetAtt NatGateway1EIP.AllocationId
      SubnetId:
        Fn::ImportValue: !Sub ${ExportVpcStackName}-PublicSubnet1
      Tags:
        - Key: Name
          Value: Nat Gateway Public Subnet 1

  NatGateway2:
    Type: AWS::EC2::NatGateway
    Properties:
      AllocationId: !GetAtt NatGateway2EIP.AllocationId
      SubnetId:
        Fn::ImportValue: !Sub ${ExportVpcStackName}-PublicSubnet2
      Tags:
        - Key: Name
          Value: Nat Gateway Public Subnet 2

  PrivateRouteTable1:
    Type: AWS::EC2::RouteTable
    Properties:
      Tags:
        - Key: Name
          Value: Private Route Table 1
      VpcId:
        Fn::ImportValue: !Sub ${ExportVpcStackName}-VPC

  PrivateRoute1:
    Type: AWS::EC2::Route
    Properties:
      DestinationCidrBlock: 0.0.0.0/0
      NatGatewayId: !Ref NatGateway1
      RouteTableId: !Ref PrivateRouteTable1

  PrivateSubnet1RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PrivateRouteTable1
      SubnetId:
        Fn::ImportValue: !Sub ${ExportVpcStackName}-PrivateSubnet1

  PrivateSubnet3RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PrivateRouteTable1
      SubnetId:
        Fn::ImportValue: !Sub ${ExportVpcStackName}-PrivateSubnet3

  PrivateRouteTable2:
    Type: AWS::EC2::RouteTable
    Properties:
      Tags:
        - Key: Name
          Value: Private Route Table 2
      VpcId:
        Fn::ImportValue: !Sub ${ExportVpcStackName}-VPC

  PrivateRoute2:
    Type: AWS::EC2::Route
    Properties:
      DestinationCidrBlock: 0.0.0.0/0
      NatGatewayId: !Ref NatGateway2
      RouteTableId: !Ref PrivateRouteTable2

  PrivateSubnet2RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PrivateRouteTable2
      SubnetId:
        Fn::ImportValue: !Sub ${ExportVpcStackName}-PrivateSubnet2

  PrivateSubnet4RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PrivateRouteTable2
      SubnetId:
        Fn::ImportValue: !Sub ${ExportVpcStackName}-PrivateSubnet4