cloud-engineering-academy/cloudformation-project/vpc.yaml at main · daniellehopedev/cloud-engineering-academy · 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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
AWSTemplateFormatVersion: '2010-09-09'
Description: 'CloudFormation for VPC'

Resources:
  # My VPC
  MyVPC:
    Type: 'AWS::EC2::VPC'
    Properties:
      CidrBlock: '172.16.0.0/16'
      EnableDnsSupport: true
      EnableDnsHostnames: true
      Tags:
        - Key: Name
          Value: MyVPC

  # Public Subnet in AZ 1
  PublicSubnet1A:
    Type: 'AWS::EC2::Subnet'
    Properties:
      VpcId: !Ref MyVPC
      CidrBlock: '172.16.1.0/24'
      AvailabilityZone: !Select [0, !GetAZs '']
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: PublicSubnet1A

  # App Private Subnet in AZ 1
  AppPrivateSubnet1A:
    Type: 'AWS::EC2::Subnet'
    Properties:
      VpcId: !Ref MyVPC
      CidrBlock: '172.16.2.0/24'
      AvailabilityZone: !Select [0, !GetAZs '']
      Tags:
        - Key: Name
          Value: AppPrivateSubnet1A

  # Data Private Subnet in AZ 1
  DataPrivateSubnet1A:
    Type: 'AWS::EC2::Subnet'
    Properties:
      VpcId: !Ref MyVPC
      CidrBlock: '172.16.3.0/24'
      AvailabilityZone: !Select [0, !GetAZs '']
      Tags:
        - Key: Name
          Value: DataPrivateSubnet1A

  # Public Subnet in AZ 2
  PublicSubnet1B:
    Type: 'AWS::EC2::Subnet'
    Properties:
      VpcId: !Ref MyVPC
      CidrBlock: '172.16.4.0/24'
      AvailabilityZone: !Select [1, !GetAZs '']
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: PublicSubnet1B

  # App Private Subnet in AZ 2
  AppPrivateSubnet1B:
    Type: 'AWS::EC2::Subnet'
    Properties:
      VpcId: !Ref MyVPC
      CidrBlock: '172.16.5.0/24'
      AvailabilityZone: !Select [1, !GetAZs '']
      Tags:
        - Key: Name
          Value: AppPrivateSubnet1B

  # Data Private Subnet in AZ 2
  DataPrivateSubnet1B:
    Type: 'AWS::EC2::Subnet'
    Properties:
      VpcId: !Ref MyVPC
      CidrBlock: '172.16.6.0/24'
      AvailabilityZone: !Select [1, !GetAZs '']
      Tags:
        - Key: Name
          Value: DataPrivateSubnet1B

  # Internet Gateway IGW
  InternetGateway:
    Type: 'AWS::EC2::InternetGateway'
    Properties:
      Tags:
        - Key: Name
          Value: MyVPC-IGW

  # Attach Gateway
  AttachGateway:
    Type: 'AWS::EC2::VPCGatewayAttachment'
    Properties:
      VpcId: !Ref MyVPC
      InternetGatewayId: !Ref InternetGateway

  # Route Table
  PublicRouteTable:
    Type: 'AWS::EC2::RouteTable'
    Properties:
      VpcId: !Ref MyVPC
      Tags:
        - Key: Name
          Value: PublicRouteTable

  # Public Route
  PublicRoute:
    Type: 'AWS::EC2::Route'
    DependsOn: AttachGateway
    Properties:
      RouteTableId: !Ref PublicRouteTable
      DestinationCidrBlock: '0.0.0.0/0'
      GatewayId: !Ref InternetGateway

  # Public Subnet Association
  PublicSubnet1ARouteTableAssociation:
    Type: 'AWS::EC2::SubnetRouteTableAssociation'
    Properties:
      SubnetId: !Ref PublicSubnet1A
      RouteTableId: !Ref PublicRouteTable

  # Bastion Host EC2
  BastionHost:
    Type: 'AWS::EC2::Instance'
    Properties:
      InstanceType: t2.micro
      KeyName: bastion-kp
      ImageId: ami-01816d07b1128cd2d
      SubnetId: !Ref PublicSubnet1A
      SecurityGroupIds:
        - !Ref BastionSG
      Tags:
        - Key: Name
          Value: BastionHost

  # Bastion Security Group
  BastionSG:
    Type: 'AWS::EC2::SecurityGroup'
    Properties:
      GroupDescription: 'Enable SSH access'
      VpcId: !Ref MyVPC
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: 22
          ToPort: 22
          CidrIp: <local-ip-address>

  # AppInstance1A
  AppInstance1A:
    Type: 'AWS::EC2::Instance'
    Properties:
      InstanceType: t2.micro
      KeyName: bastion-kp
      ImageId: ami-01816d07b1128cd2d
      SubnetId: !Ref AppPrivateSubnet1A
      SecurityGroupIds:
        - !Ref EC2App1aSG
      Tags:
        - Key: Name
          Value: EC2App1A

  # EC2App1aSG
  EC2App1aSG:
    Type: 'AWS::EC2::SecurityGroup'
    Properties:
      GroupDescription: 'Allow SSH from Bastion'
      VpcId: !Ref MyVPC
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: 22
          ToPort: 22
          SourceSecurityGroupId: !Ref BastionSG

  # AppInstance1B
  AppInstance1B:
    Type: 'AWS::EC2::Instance'
    Properties:
      InstanceType: t2.micro
      ImageId: ami-01816d07b1128cd2d
      SubnetId: !Ref AppPrivateSubnet1B
      SecurityGroupIds:
        - !Ref EC2App1bSG
      Tags:
        - Key: Name
          Value: EC2App1B

  # EC2App1bSG
  EC2App1bSG:
    Type: 'AWS::EC2::SecurityGroup'
    Properties:
      GroupDescription: 'Allow ICMP Ping from App1A'
      VpcId: !Ref MyVPC
      SecurityGroupIngress:
        - IpProtocol: icmp
          FromPort: -1
          ToPort: -1
          SourceSecurityGroupId: !Ref EC2App1aSG