forked from terraform-aws-modules/terraform-aws-vpn-gateway
-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.tf
315 lines (219 loc) · 12.8 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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
locals {
preshared_key_provided = length(var.tunnel1_preshared_key) > 0 && length(var.tunnel2_preshared_key) > 0
preshared_key_not_provided = false == local.preshared_key_provided
internal_cidr_provided = length(var.tunnel1_inside_cidr) > 0 && length(var.tunnel2_inside_cidr) > 0
internal_cidr_not_provided = false == local.internal_cidr_provided
tunnel_details_not_specified = local.internal_cidr_not_provided && local.preshared_key_not_provided
tunnel_details_specified = local.internal_cidr_provided && local.preshared_key_provided
create_tunnel_with_internal_cidr_only = local.internal_cidr_provided && local.preshared_key_not_provided
create_tunnel_with_preshared_key_only = local.internal_cidr_not_provided && local.preshared_key_provided
connection_identifier = var.connect_to_transit_gateway ? "TGW ${var.transit_gateway_id}" : "VPC ${var.vpc_id}"
name_tag = "VPN Connection between ${local.connection_identifier} and Customer Gateway ${var.customer_gateway_id}"
}
### Fully AWS managed
resource "aws_vpn_connection" "default" {
count = var.create_vpn_connection && local.tunnel_details_not_specified ? 1 : 0
vpn_gateway_id = var.vpn_gateway_id
transit_gateway_id = var.transit_gateway_id
customer_gateway_id = var.customer_gateway_id
type = "ipsec.1"
static_routes_only = var.vpn_connection_static_routes_only
tunnel1_phase1_dh_group_numbers = var.tunnel1_phase1_dh_group_numbers
tunnel2_phase1_dh_group_numbers = var.tunnel2_phase1_dh_group_numbers
tunnel1_phase1_encryption_algorithms = var.tunnel1_phase1_encryption_algorithms
tunnel2_phase1_encryption_algorithms = var.tunnel2_phase1_encryption_algorithms
tunnel1_phase1_integrity_algorithms = var.tunnel1_phase1_integrity_algorithms
tunnel2_phase1_integrity_algorithms = var.tunnel2_phase1_integrity_algorithms
tunnel1_phase1_lifetime_seconds = var.tunnel1_phase1_lifetime_seconds
tunnel2_phase1_lifetime_seconds = var.tunnel2_phase1_lifetime_seconds
tunnel1_dpd_timeout_seconds = var.tunnel1_dpd_timeout_seconds
tunnel2_dpd_timeout_seconds = var.tunnel2_dpd_timeout_seconds
tunnel1_dpd_timeout_action = var.tunnel1_dpd_timeout_action
tunnel2_dpd_timeout_action = var.tunnel2_dpd_timeout_action
tunnel1_phase2_dh_group_numbers = var.tunnel1_phase2_dh_group_numbers
tunnel2_phase2_dh_group_numbers = var.tunnel2_phase2_dh_group_numbers
tunnel1_phase2_encryption_algorithms = var.tunnel1_phase2_encryption_algorithms
tunnel2_phase2_encryption_algorithms = var.tunnel2_phase2_encryption_algorithms
tunnel1_phase2_integrity_algorithms = var.tunnel1_phase2_integrity_algorithms
tunnel2_phase2_integrity_algorithms = var.tunnel2_phase2_integrity_algorithms
tunnel1_phase2_lifetime_seconds = var.tunnel1_phase2_lifetime_seconds
tunnel2_phase2_lifetime_seconds = var.tunnel2_phase2_lifetime_seconds
tunnel1_rekey_fuzz_percentage = var.tunnel1_rekey_fuzz_percentage
tunnel2_rekey_fuzz_percentage = var.tunnel2_rekey_fuzz_percentage
tunnel1_rekey_margin_time_seconds = var.tunnel1_rekey_margin_time_seconds
tunnel2_rekey_margin_time_seconds = var.tunnel2_rekey_margin_time_seconds
tunnel1_replay_window_size = var.tunnel1_replay_window_size
tunnel2_replay_window_size = var.tunnel2_replay_window_size
tunnel1_startup_action = var.tunnel1_startup_action
tunnel2_startup_action = var.tunnel2_startup_action
tunnel1_ike_versions = var.tunnel1_ike_versions
tunnel2_ike_versions = var.tunnel2_ike_versions
local_ipv4_network_cidr = var.local_ipv4_network_cidr
remote_ipv4_network_cidr = var.remote_ipv4_network_cidr
tags = merge(
{
"Name" = local.name_tag
},
var.tags,
)
}
### Tunnel Inside CIDR only
resource "aws_vpn_connection" "tunnel" {
count = var.create_vpn_connection && local.create_tunnel_with_internal_cidr_only ? 1 : 0
vpn_gateway_id = var.vpn_gateway_id
transit_gateway_id = var.transit_gateway_id
customer_gateway_id = var.customer_gateway_id
type = "ipsec.1"
static_routes_only = var.vpn_connection_static_routes_only
tunnel1_inside_cidr = var.tunnel1_inside_cidr
tunnel2_inside_cidr = var.tunnel2_inside_cidr
tunnel1_phase1_dh_group_numbers = var.tunnel1_phase1_dh_group_numbers
tunnel2_phase1_dh_group_numbers = var.tunnel2_phase1_dh_group_numbers
tunnel1_phase1_encryption_algorithms = var.tunnel1_phase1_encryption_algorithms
tunnel2_phase1_encryption_algorithms = var.tunnel2_phase1_encryption_algorithms
tunnel1_phase1_integrity_algorithms = var.tunnel1_phase1_integrity_algorithms
tunnel2_phase1_integrity_algorithms = var.tunnel2_phase1_integrity_algorithms
tunnel1_phase1_lifetime_seconds = var.tunnel1_phase1_lifetime_seconds
tunnel2_phase1_lifetime_seconds = var.tunnel2_phase1_lifetime_seconds
tunnel1_dpd_timeout_seconds = var.tunnel1_dpd_timeout_seconds
tunnel2_dpd_timeout_seconds = var.tunnel2_dpd_timeout_seconds
tunnel1_dpd_timeout_action = var.tunnel1_dpd_timeout_action
tunnel2_dpd_timeout_action = var.tunnel2_dpd_timeout_action
tunnel1_phase2_dh_group_numbers = var.tunnel1_phase2_dh_group_numbers
tunnel2_phase2_dh_group_numbers = var.tunnel2_phase2_dh_group_numbers
tunnel1_phase2_encryption_algorithms = var.tunnel1_phase2_encryption_algorithms
tunnel2_phase2_encryption_algorithms = var.tunnel2_phase2_encryption_algorithms
tunnel1_phase2_integrity_algorithms = var.tunnel1_phase2_integrity_algorithms
tunnel2_phase2_integrity_algorithms = var.tunnel2_phase2_integrity_algorithms
tunnel1_phase2_lifetime_seconds = var.tunnel1_phase2_lifetime_seconds
tunnel2_phase2_lifetime_seconds = var.tunnel2_phase2_lifetime_seconds
tunnel1_rekey_fuzz_percentage = var.tunnel1_rekey_fuzz_percentage
tunnel2_rekey_fuzz_percentage = var.tunnel2_rekey_fuzz_percentage
tunnel1_rekey_margin_time_seconds = var.tunnel1_rekey_margin_time_seconds
tunnel2_rekey_margin_time_seconds = var.tunnel2_rekey_margin_time_seconds
tunnel1_replay_window_size = var.tunnel1_replay_window_size
tunnel2_replay_window_size = var.tunnel2_replay_window_size
tunnel1_startup_action = var.tunnel1_startup_action
tunnel2_startup_action = var.tunnel2_startup_action
tunnel1_ike_versions = var.tunnel1_ike_versions
tunnel2_ike_versions = var.tunnel2_ike_versions
local_ipv4_network_cidr = var.local_ipv4_network_cidr
remote_ipv4_network_cidr = var.remote_ipv4_network_cidr
tags = merge(
{
"Name" = local.name_tag
},
var.tags,
)
}
### Preshared Key only
resource "aws_vpn_connection" "preshared" {
count = var.create_vpn_connection && local.create_tunnel_with_preshared_key_only ? 1 : 0
vpn_gateway_id = var.vpn_gateway_id
transit_gateway_id = var.transit_gateway_id
customer_gateway_id = var.customer_gateway_id
type = "ipsec.1"
static_routes_only = var.vpn_connection_static_routes_only
tunnel1_preshared_key = var.tunnel1_preshared_key
tunnel2_preshared_key = var.tunnel2_preshared_key
tunnel1_phase1_dh_group_numbers = var.tunnel1_phase1_dh_group_numbers
tunnel2_phase1_dh_group_numbers = var.tunnel2_phase1_dh_group_numbers
tunnel1_phase1_encryption_algorithms = var.tunnel1_phase1_encryption_algorithms
tunnel2_phase1_encryption_algorithms = var.tunnel2_phase1_encryption_algorithms
tunnel1_phase1_integrity_algorithms = var.tunnel1_phase1_integrity_algorithms
tunnel2_phase1_integrity_algorithms = var.tunnel2_phase1_integrity_algorithms
tunnel1_phase1_lifetime_seconds = var.tunnel1_phase1_lifetime_seconds
tunnel2_phase1_lifetime_seconds = var.tunnel2_phase1_lifetime_seconds
tunnel1_dpd_timeout_action = var.tunnel1_dpd_timeout_action
tunnel2_dpd_timeout_action = var.tunnel2_dpd_timeout_action
tunnel1_phase2_dh_group_numbers = var.tunnel1_phase2_dh_group_numbers
tunnel2_phase2_dh_group_numbers = var.tunnel2_phase2_dh_group_numbers
tunnel1_phase2_encryption_algorithms = var.tunnel1_phase2_encryption_algorithms
tunnel2_phase2_encryption_algorithms = var.tunnel2_phase2_encryption_algorithms
tunnel1_phase2_integrity_algorithms = var.tunnel1_phase2_integrity_algorithms
tunnel2_phase2_integrity_algorithms = var.tunnel2_phase2_integrity_algorithms
tunnel1_phase2_lifetime_seconds = var.tunnel1_phase2_lifetime_seconds
tunnel2_phase2_lifetime_seconds = var.tunnel2_phase2_lifetime_seconds
tunnel1_rekey_fuzz_percentage = var.tunnel1_rekey_fuzz_percentage
tunnel2_rekey_fuzz_percentage = var.tunnel2_rekey_fuzz_percentage
tunnel1_rekey_margin_time_seconds = var.tunnel1_rekey_margin_time_seconds
tunnel2_rekey_margin_time_seconds = var.tunnel2_rekey_margin_time_seconds
tunnel1_replay_window_size = var.tunnel1_replay_window_size
tunnel2_replay_window_size = var.tunnel2_replay_window_size
tunnel1_startup_action = var.tunnel1_startup_action
tunnel2_startup_action = var.tunnel2_startup_action
tunnel1_ike_versions = var.tunnel1_ike_versions
tunnel2_ike_versions = var.tunnel2_ike_versions
local_ipv4_network_cidr = var.local_ipv4_network_cidr
remote_ipv4_network_cidr = var.remote_ipv4_network_cidr
tags = merge(
{
"Name" = local.name_tag
},
var.tags,
)
}
### Tunnel Inside CIDR and Preshared Key
resource "aws_vpn_connection" "tunnel_preshared" {
count = var.create_vpn_connection && local.tunnel_details_specified ? 1 : 0
vpn_gateway_id = var.vpn_gateway_id
transit_gateway_id = var.transit_gateway_id
customer_gateway_id = var.customer_gateway_id
type = "ipsec.1"
static_routes_only = var.vpn_connection_static_routes_only
tunnel1_inside_cidr = var.tunnel1_inside_cidr
tunnel2_inside_cidr = var.tunnel2_inside_cidr
tunnel1_preshared_key = var.tunnel1_preshared_key
tunnel2_preshared_key = var.tunnel2_preshared_key
tunnel1_phase1_dh_group_numbers = var.tunnel1_phase1_dh_group_numbers
tunnel2_phase1_dh_group_numbers = var.tunnel2_phase1_dh_group_numbers
tunnel1_phase1_encryption_algorithms = var.tunnel1_phase1_encryption_algorithms
tunnel2_phase1_encryption_algorithms = var.tunnel2_phase1_encryption_algorithms
tunnel1_phase1_integrity_algorithms = var.tunnel1_phase1_integrity_algorithms
tunnel2_phase1_integrity_algorithms = var.tunnel2_phase1_integrity_algorithms
tunnel1_phase1_lifetime_seconds = var.tunnel1_phase1_lifetime_seconds
tunnel2_phase1_lifetime_seconds = var.tunnel2_phase1_lifetime_seconds
tunnel1_dpd_timeout_action = var.tunnel1_dpd_timeout_action
tunnel2_dpd_timeout_action = var.tunnel2_dpd_timeout_action
tunnel1_phase2_dh_group_numbers = var.tunnel1_phase2_dh_group_numbers
tunnel2_phase2_dh_group_numbers = var.tunnel2_phase2_dh_group_numbers
tunnel1_phase2_encryption_algorithms = var.tunnel1_phase2_encryption_algorithms
tunnel2_phase2_encryption_algorithms = var.tunnel2_phase2_encryption_algorithms
tunnel1_phase2_integrity_algorithms = var.tunnel1_phase2_integrity_algorithms
tunnel2_phase2_integrity_algorithms = var.tunnel2_phase2_integrity_algorithms
tunnel1_phase2_lifetime_seconds = var.tunnel1_phase2_lifetime_seconds
tunnel2_phase2_lifetime_seconds = var.tunnel2_phase2_lifetime_seconds
tunnel1_rekey_fuzz_percentage = var.tunnel1_rekey_fuzz_percentage
tunnel2_rekey_fuzz_percentage = var.tunnel2_rekey_fuzz_percentage
tunnel1_rekey_margin_time_seconds = var.tunnel1_rekey_margin_time_seconds
tunnel2_rekey_margin_time_seconds = var.tunnel2_rekey_margin_time_seconds
tunnel1_replay_window_size = var.tunnel1_replay_window_size
tunnel2_replay_window_size = var.tunnel2_replay_window_size
tunnel1_startup_action = var.tunnel1_startup_action
tunnel2_startup_action = var.tunnel2_startup_action
tunnel1_ike_versions = var.tunnel1_ike_versions
tunnel2_ike_versions = var.tunnel2_ike_versions
local_ipv4_network_cidr = var.local_ipv4_network_cidr
remote_ipv4_network_cidr = var.remote_ipv4_network_cidr
tags = merge(
{
"Name" = local.name_tag
},
var.tags,
)
}
resource "aws_vpn_gateway_attachment" "default" {
count = var.create_vpn_connection && var.create_vpn_gateway_attachment && !var.connect_to_transit_gateway ? 1 : 0
vpc_id = var.vpc_id
vpn_gateway_id = var.vpn_gateway_id
}
resource "aws_vpn_gateway_route_propagation" "private_subnets_vpn_routing" {
count = var.create_vpn_connection && !var.connect_to_transit_gateway ? var.vpc_subnet_route_table_count : 0
vpn_gateway_id = var.vpn_gateway_id
route_table_id = element(var.vpc_subnet_route_table_ids, count.index)
}
resource "aws_vpn_connection_route" "default" {
count = var.create_vpn_connection && var.vpn_connection_static_routes_only && !var.connect_to_transit_gateway ? length(var.vpn_connection_static_routes_destinations) : 0
vpn_connection_id = local.create_tunnel_with_internal_cidr_only ? aws_vpn_connection.tunnel[0].id : local.create_tunnel_with_preshared_key_only ? aws_vpn_connection.preshared[0].id : local.tunnel_details_specified ? aws_vpn_connection.tunnel_preshared[0].id : aws_vpn_connection.default[0].id
destination_cidr_block = element(var.vpn_connection_static_routes_destinations, count.index)
}