|
| 1 | +terraform { |
| 2 | + required_providers { |
| 3 | + aws = { |
| 4 | + source = "hashicorp/aws" |
| 5 | + version = "4.34.0" |
| 6 | + } |
| 7 | + } |
| 8 | +} |
| 9 | + |
| 10 | +provider "aws" { |
| 11 | + |
| 12 | + region = "eu-central-1" |
| 13 | + access_key = var.aws_credentials.access_key |
| 14 | + secret_key = var.aws_credentials.secret_key |
| 15 | + allowed_account_ids = [var.aws_credentials.account] |
| 16 | + |
| 17 | + skip_get_ec2_platforms = true |
| 18 | + skip_metadata_api_check = true |
| 19 | + skip_region_validation = true |
| 20 | + skip_credentials_validation = true |
| 21 | + |
| 22 | + default_tags { |
| 23 | + tags = var.tags |
| 24 | + } |
| 25 | + |
| 26 | +} |
| 27 | + |
| 28 | + |
| 29 | +resource "aws_key_pair" "ec2-ssh-key" { |
| 30 | + |
| 31 | + key_name = "${var.tags.useCase}-${var.tags.owner}-key" |
| 32 | + public_key = file(var.ssh-public-key-local-path) |
| 33 | +} |
| 34 | + |
| 35 | +/* |
| 36 | +Get the NIC of the LB in the public net |
| 37 | +*/ |
| 38 | +data "aws_network_interface" "lb_nic" { |
| 39 | + |
| 40 | + |
| 41 | + filter { |
| 42 | + name = "description" |
| 43 | + values = ["ELB ${aws_lb.load-balancer.arn_suffix}"] |
| 44 | + } |
| 45 | + |
| 46 | + |
| 47 | + |
| 48 | + filter { |
| 49 | + name = "subnet-id" |
| 50 | + values = [aws_subnet.base-stack-public-subnet.id] |
| 51 | + } |
| 52 | + |
| 53 | +} |
| 54 | + |
| 55 | + |
| 56 | +data "aws_region" "current" {} |
| 57 | + |
| 58 | +data "aws_availability_zones" "available" { |
| 59 | + state = "available" |
| 60 | +} |
| 61 | + |
| 62 | + |
| 63 | +//Get the latest AmazoneLinux2 AMI |
| 64 | +data "aws_ami" "latest_amazon_linux_2" { |
| 65 | + most_recent = true |
| 66 | + filter { |
| 67 | + name = "name" |
| 68 | + values = ["*amzn2-ami-hvm*"] |
| 69 | + } |
| 70 | + filter { |
| 71 | + name = "virtualization-type" |
| 72 | + values = ["hvm"] |
| 73 | + } |
| 74 | + filter { |
| 75 | + name = "architecture" |
| 76 | + values = ["x86_64"] |
| 77 | + } |
| 78 | + owners = ["amazon"] |
| 79 | +} |
| 80 | + |
| 81 | +//Get the latest Ubuntu 22.04 AMI |
| 82 | +data "aws_ami" "ubuntuAMI" { |
| 83 | + most_recent = true |
| 84 | + |
| 85 | + filter { |
| 86 | + name = "name" |
| 87 | + values = ["ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-amd64-server-*"] |
| 88 | + } |
| 89 | + |
| 90 | + filter { |
| 91 | + name = "virtualization-type" |
| 92 | + values = ["hvm"] |
| 93 | + } |
| 94 | + |
| 95 | + owners = ["099720109477"] # Canonical |
| 96 | +} |
| 97 | + |
| 98 | +resource "aws_vpc" "base-stack" { |
| 99 | + |
| 100 | + cidr_block = "10.0.0.0/16" |
| 101 | + enable_dns_hostnames = true |
| 102 | + enable_dns_support = true |
| 103 | + |
| 104 | + tags = { |
| 105 | + Name = "${var.tags.useCase}-${var.tags.owner}-vpc" |
| 106 | + } |
| 107 | + |
| 108 | + |
| 109 | +} |
| 110 | + |
| 111 | +resource "aws_internet_gateway" "base-stack" { |
| 112 | + |
| 113 | + vpc_id = aws_vpc.base-stack.id |
| 114 | + |
| 115 | + |
| 116 | + tags = { |
| 117 | + Name = "${var.tags.useCase}-${var.tags.owner}-gw" |
| 118 | + } |
| 119 | + |
| 120 | +} |
| 121 | +resource "aws_eip" "nat_eip" { |
| 122 | + |
| 123 | + vpc = true |
| 124 | + depends_on = [aws_internet_gateway.base-stack] |
| 125 | + tags = { |
| 126 | + Name = "${var.tags.useCase}-${var.tags.owner}-eip" |
| 127 | + } |
| 128 | + |
| 129 | +} |
| 130 | + |
| 131 | + |
| 132 | +resource "aws_subnet" "base-stack-private-subnet" { |
| 133 | + |
| 134 | + |
| 135 | + tags = { |
| 136 | + Name = "${var.tags.useCase}-${var.tags.owner}-private-subnet" |
| 137 | + } |
| 138 | + |
| 139 | + availability_zone = data.aws_availability_zones.available.names[0] |
| 140 | + cidr_block = "10.0.66.0/24" |
| 141 | + vpc_id = aws_vpc.base-stack.id |
| 142 | + map_public_ip_on_launch = false |
| 143 | + |
| 144 | + |
| 145 | +} |
| 146 | + |
| 147 | +resource "aws_subnet" "base-stack-public-subnet" { |
| 148 | + |
| 149 | + |
| 150 | + tags = { |
| 151 | + Name = "${var.tags.useCase}-${var.tags.owner}-public-subnet" |
| 152 | + } |
| 153 | + |
| 154 | + availability_zone = data.aws_availability_zones.available.names[0] |
| 155 | + cidr_block = "10.0.99.0/24" |
| 156 | + vpc_id = aws_vpc.base-stack.id |
| 157 | + |
| 158 | + |
| 159 | +} |
| 160 | + |
| 161 | +resource "aws_nat_gateway" "outbound-nat" { |
| 162 | + |
| 163 | + tags = { |
| 164 | + Name = "${var.tags.useCase}-${var.tags.owner}-outbount-nat" |
| 165 | + } |
| 166 | + allocation_id = aws_eip.nat_eip.id |
| 167 | + subnet_id = aws_subnet.base-stack-public-subnet.id |
| 168 | + |
| 169 | + |
| 170 | +} |
| 171 | +resource "aws_route_table" "private-route-tb" { |
| 172 | + |
| 173 | + vpc_id = aws_vpc.base-stack.id |
| 174 | + |
| 175 | + tags = { |
| 176 | + Name = "${var.tags.useCase}-${var.tags.owner}-private-routetable" |
| 177 | + } |
| 178 | + |
| 179 | +} |
| 180 | + |
| 181 | +resource "aws_route_table" "public-route-tb" { |
| 182 | + |
| 183 | + vpc_id = aws_vpc.base-stack.id |
| 184 | + |
| 185 | + tags = { |
| 186 | + Name = "${var.tags.useCase}-${var.tags.owner}-private-routetable" |
| 187 | + } |
| 188 | + |
| 189 | +} |
| 190 | + |
| 191 | +resource "aws_route" "route-to-world" { |
| 192 | + |
| 193 | + route_table_id = aws_route_table.public-route-tb.id |
| 194 | + destination_cidr_block = "0.0.0.0/0" |
| 195 | + gateway_id = aws_internet_gateway.base-stack.id |
| 196 | + |
| 197 | +} |
| 198 | + |
| 199 | +resource "aws_route" "route-to-nat" { |
| 200 | + |
| 201 | + route_table_id = aws_route_table.private-route-tb.id |
| 202 | + destination_cidr_block = "0.0.0.0/0" |
| 203 | + gateway_id = aws_nat_gateway.outbound-nat.id |
| 204 | + |
| 205 | +} |
| 206 | + |
| 207 | +resource "aws_route_table_association" "route-public" { |
| 208 | + |
| 209 | + subnet_id = aws_subnet.base-stack-public-subnet.id |
| 210 | + route_table_id = aws_route_table.public-route-tb.id |
| 211 | + |
| 212 | + |
| 213 | +} |
| 214 | + |
| 215 | +resource "aws_route_table_association" "route-private" { |
| 216 | + |
| 217 | + subnet_id = aws_subnet.base-stack-private-subnet.id |
| 218 | + route_table_id = aws_route_table.private-route-tb.id |
| 219 | + |
| 220 | + |
| 221 | +} |
| 222 | + |
| 223 | + |
| 224 | + |
| 225 | +resource "aws_security_group_rule" "ingress_rules" { |
| 226 | + count = length(var.ingress_rules_from_trusted) |
| 227 | + |
| 228 | + type = "ingress" |
| 229 | + from_port = var.ingress_rules_from_trusted[count.index].port |
| 230 | + to_port = var.ingress_rules_from_trusted[count.index].port |
| 231 | + protocol = upper(var.ingress_rules_from_trusted[count.index].protocol) |
| 232 | + cidr_blocks = setunion(var.trusted-external-ips, ["${data.aws_network_interface.lb_nic.private_ip}/32"]) |
| 233 | + description = var.ingress_rules_from_trusted[count.index].description |
| 234 | + security_group_id = aws_security_group.private-subnet-sg.id |
| 235 | +} |
| 236 | + |
| 237 | + |
| 238 | +resource "aws_security_group" "private-subnet-sg" { |
| 239 | + |
| 240 | + name = "${var.tags.useCase}-${var.tags.owner}-sg" |
| 241 | + vpc_id = aws_vpc.base-stack.id |
| 242 | + |
| 243 | + |
| 244 | + egress { |
| 245 | + from_port = 0 |
| 246 | + to_port = 0 |
| 247 | + protocol = "-1" |
| 248 | + cidr_blocks = ["0.0.0.0/0"] |
| 249 | + } |
| 250 | + |
| 251 | +} |
| 252 | + |
| 253 | + |
| 254 | + |
| 255 | +resource "aws_instance" "ec2-node" { |
| 256 | + |
| 257 | + tags = { |
| 258 | + Name = "${var.tags.useCase}-${var.tags.owner}-ec2" |
| 259 | + } |
| 260 | + |
| 261 | + ami = data.aws_ami.ubuntuAMI.id |
| 262 | + instance_type = "t3.xlarge" |
| 263 | + subnet_id = aws_subnet.base-stack-private-subnet.id |
| 264 | + key_name = aws_key_pair.ec2-ssh-key.key_name |
| 265 | + vpc_security_group_ids = [aws_security_group.private-subnet-sg.id] |
| 266 | + availability_zone = data.aws_availability_zones.available.names[0] |
| 267 | + iam_instance_profile = aws_iam_instance_profile.default_profile.name |
| 268 | + |
| 269 | + root_block_device { |
| 270 | + volume_size = 24 |
| 271 | + tags = var.tags |
| 272 | + } |
| 273 | + |
| 274 | + user_data = templatefile("ubuntu_user_data.sh", { |
| 275 | + awsRegion : data.aws_region.current.name |
| 276 | + tlscacert : file(var.dockerServerCert.tlscacert) |
| 277 | + tlscert : file(var.dockerServerCert.tlscert) |
| 278 | + tlskey : file(var.dockerServerCert.tlskey) |
| 279 | + } |
| 280 | + ) |
| 281 | + |
| 282 | + |
| 283 | +} |
| 284 | + |
| 285 | + |
| 286 | + |
| 287 | +resource "aws_lb" "load-balancer" { |
| 288 | + |
| 289 | + name = "${var.tags.useCase}-${var.tags.owner}-lb" |
| 290 | + internal = false |
| 291 | + load_balancer_type = "network" |
| 292 | + subnets = [aws_subnet.base-stack-public-subnet.id] |
| 293 | + |
| 294 | + |
| 295 | +} |
| 296 | + |
| 297 | +resource "aws_lb_listener" "lb-listener" { |
| 298 | + count = length(var.ingress_rules_from_trusted) |
| 299 | + load_balancer_arn = aws_lb.load-balancer.arn |
| 300 | + port = var.ingress_rules_from_trusted[count.index].port |
| 301 | + protocol = upper(var.ingress_rules_from_trusted[count.index].protocol) |
| 302 | + |
| 303 | + |
| 304 | + default_action { |
| 305 | + type = "forward" |
| 306 | + target_group_arn = aws_lb_target_group.target-group[count.index].arn |
| 307 | + } |
| 308 | + |
| 309 | +} |
| 310 | + |
| 311 | +resource "aws_lb_target_group" "target-group" { |
| 312 | + count = length(var.ingress_rules_from_trusted) |
| 313 | + |
| 314 | + name = "${var.tags.useCase}-${var.tags.owner}-port-${var.ingress_rules_from_trusted[count.index].port}" |
| 315 | + port = var.ingress_rules_from_trusted[count.index].port |
| 316 | + protocol = upper(var.ingress_rules_from_trusted[count.index].protocol) |
| 317 | + target_type = "instance" |
| 318 | + vpc_id = aws_vpc.base-stack.id |
| 319 | + |
| 320 | + |
| 321 | +} |
| 322 | + |
| 323 | + |
| 324 | +resource "aws_lb_target_group_attachment" "ssh-target-hosts" { |
| 325 | + |
| 326 | + count = length(var.ingress_rules_from_trusted) |
| 327 | + |
| 328 | + target_group_arn = aws_lb_target_group.target-group[count.index].arn |
| 329 | + target_id = aws_instance.ec2-node.id |
| 330 | + port = var.ingress_rules_from_trusted[count.index].port |
| 331 | + |
| 332 | +} |
| 333 | + |
| 334 | + |
| 335 | +output "SSH-TO-Node" { |
| 336 | + value = "ssh -v ${var.ec2-username}@${aws_lb.load-balancer.dns_name} -p 22 -o StrictHostKeyChecking=no" |
| 337 | +} |
| 338 | + |
| 339 | +output "Hosts-record" { |
| 340 | + value = "${data.aws_network_interface.lb_nic.association[0].public_ip} jira.test.com docker.domain.se bitbucket.domain.se jira.domain.se jira2.domain.se bitbucket2.domain.se jira.auga.se bitbucket.auga.se jenkins.domain.se harbor.domain.se jenkins-agent.domain.se" |
| 341 | + |
| 342 | +} |
| 343 | + |
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