-
Notifications
You must be signed in to change notification settings - Fork 8
/
main.tf
176 lines (142 loc) · 5.17 KB
/
main.tf
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
locals {
default_tags = {
Project = var.project
Environment = var.environment
}
subdomains = var.enable_subdomains ? "*." : ""
}
data "aws_partition" "current" {}
resource "aws_security_group" "allow_in80_in443_outALL" {
count = var.alb_custom_security_group ? 0 : 1
name = "allow-in_80-in_443-out_ALL-${var.project}-${var.environment}"
description = "Allow inbound traffic on ports 80 and 443"
vpc_id = var.vpc_id
ingress {
from_port = 80
to_port = 80
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 443
to_port = 443
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
tags = local.default_tags
}
resource "aws_s3_bucket" "alb-logs" {
count = var.enable_logging ? 1 : 0
bucket = "${var.project}-${var.environment}-alb-logs"
acl = "log-delivery-write"
force_destroy = lower(var.environment) == "production" ? "false" : var.force_destroy
tags = local.default_tags
lifecycle_rule {
enabled = var.alb_logs_lifecycle_rule_enabled
expiration {
days = var.alb_logs_expiration_days
}
}
}
data "aws_region" "current" {}
data "aws_iam_policy_document" "alb-logs-policy" {
count = var.enable_logging ? 1 : 0
statement {
effect = "Allow"
actions = [
"s3:PutObject",
]
resources = [
"arn:${data.aws_partition.current.partition}:s3:::${element(concat(aws_s3_bucket.alb-logs.*.id, tolist([""])), 0)}/*",
]
principals {
type = "AWS"
identifiers = [lookup(var.lb_accout_id_per_region, data.aws_region.current.name)]
}
}
}
resource "aws_s3_bucket_policy" "alb-logs" {
count = var.enable_logging ? 1 : 0
bucket = element(aws_s3_bucket.alb-logs.*.id, count.index)
policy = data.aws_iam_policy_document.alb-logs-policy.0.json
}
data "aws_acm_certificate" "this" {
domain = var.acm_cert_domain
statuses = ["ISSUED", "PENDING_VALIDATION"]
most_recent = var.most_recent_certificate
count = data.aws_partition.current.partition == "aws" ? 1 : var.cn_acm == true ? 1 : 0
}
data "aws_iam_server_certificate" "ss_cert" {
name = "${data.aws_region.current.name}.elb.amazonaws.com.cn"
latest = true
count = data.aws_partition.current.partition == "aws-cn" ? var.cn_acm == false ? 1 : 0 : 0
}
module "alb" {
source = "terraform-aws-modules/alb/aws"
version = "~> 6.0"
name = "${var.project}-${var.environment}"
internal = var.default_load_balancer_is_internal
security_groups = [element(concat(
aws_security_group.allow_in80_in443_outALL.*.id,
tolist([var.alb_custom_security_group_id])
), 0)
]
subnets = var.subnets
vpc_id = var.vpc_id
/////// Configure listeners and target groups ///////
https_listeners = [{
certificate_arn = element(concat(
data.aws_acm_certificate.this.*.arn,
data.aws_iam_server_certificate.ss_cert.*.arn
), 0),
port = var.default_https_tcp_listeners_port,
ssl_policy = var.listener_ssl_policy
}]
http_tcp_listeners = [{
port = var.default_http_tcp_listeners_port,
protocol = "HTTP"
}]
target_groups = [{
name = "${var.project}-${var.environment}",
backend_protocol = var.default_target_groups_backend_protocol,
backend_port = var.default_target_groups_port
health_check = var.target_groups_health_check
}]
access_logs = {
enabled = var.enable_logging
bucket = element(concat(aws_s3_bucket.alb-logs.*.id, tolist([""])), 0)
}
tags = merge(local.default_tags, var.tags)
}
data "aws_route53_zone" "alb" {
name = "${var.root_domain}."
count = data.aws_partition.current.partition == "aws" ? 1 : var.cn_route53 == true ? 1 : 0
}
resource "aws_route53_record" "alb" {
zone_id = data.aws_route53_zone.alb[count.index].zone_id
name = var.alb_custom_route53_record_name == "" ? "${var.project}-${var.environment}-${data.aws_region.current.name}.${var.root_domain}" : var.alb_custom_route53_record_name
type = "A"
alias {
name = module.alb.lb_dns_name
zone_id = module.alb.lb_zone_id
evaluate_target_health = true
}
count = data.aws_partition.current.partition == "aws" ? 1 : var.cn_route53 == true ? 1 : 0
}
resource "aws_route53_record" "alb-subdomain" {
count = var.enable_subdomains == true ? data.aws_partition.current.partition == "aws" ? 1 : var.cn_route53 == true ? 1 : 0 : 0
zone_id = data.aws_route53_zone.alb[count.index].zone_id
name = var.alb_custom_route53_record_name == "" ? "${local.subdomains}${var.project}-${var.environment}-${data.aws_region.current.name}.${var.root_domain}" : "${local.subdomains}${var.alb_custom_route53_record_name}"
type = "A"
alias {
name = module.alb.lb_dns_name
zone_id = module.alb.lb_zone_id
evaluate_target_health = true
}
}