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Upcloud: Added ipsec properties for UpCloud gateway VPN

pull/11386/head
Fredrik Liv 2024-07-24 16:41:49 +02:00
parent 306abc5284
commit e574cab44d
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GPG Key ID: 207869278D64F059
7 changed files with 79 additions and 10 deletions
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15
contrib/terraform/upcloud/README.md
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@ -150,7 +150,20 @@ terraform destroy --var-file cluster-settings.tfvars \
* `remote_routes`: Map of local routes for the connection
* `type`: Type of route
* `static_network`: Destination prefix of the route; needs to be a valid IPv4 prefix
* `remote_address`: The remote address for the tunnel
* `tunnels`: The tunnels to create for this connection
* `remote_address`: The remote address for the tunnel
* `ipsec_properties`: Set properties of IPSec, if not set, defaults will be used
* `child_rekey_time`: IKE child SA rekey time in seconds
* `dpd_delay`: Delay before sending Dead Peer Detection packets if no traffic is detected, in seconds
* `dpd_timeout`: Timeout period for DPD reply before considering the peer to be dead, in seconds
* `ike_lifetime`: Maximum IKE SA lifetime in seconds()
* `rekey_time`: IKE SA rekey time in seconds
* `phase1_algorithms`: List of Phase 1: Proposal algorithms
* `phase1_dh_group_numbers`: List of Phase 1 Diffie-Hellman group numbers
* `phase1_integrity_algorithms`: List of Phase 1 integrity algorithms
* `phase2_algorithms`: List of Phase 2: Security Association algorithms
* `phase2_dh_group_numbers`: List of Phase 2 Diffie-Hellman group numbers
* `phase2_integrity_algorithms`: List of Phase 2 integrity algorithms
* `gateway_vpn_psks`: Separate variable for providing psks for connection tunnels. Environment variable can be exported in the following format `export TF_VAR_gateway_vpn_psks='{"${gateway-name}-${connecton-name}-tunnel":{psk:"..."}}'`
* `static_routes`: Static routes to apply to the router, requires `router_enable` is set to true
* `network_peerings`: Other UpCloud private networks to peer with, requires `router_enable` is set to true

6
contrib/terraform/upcloud/cluster-settings.tfvars
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@ -175,7 +175,11 @@ gateways = {
# static_network = "4.3.2.1/24"
# }
# }
# remote_address = "1.2.3.4"
# tunnels = {
# "tunnel1" = {
# remote_address = "1.2.3.4"
# }
# }
# }
# }
# }

30
contrib/terraform/upcloud/modules/kubernetes-cluster/main.tf
View File

@ -35,14 +35,18 @@ locals {
gateway_connection_tunnels = flatten([
for gateway_name, gateway in var.gateways : [
for connection_name, connection in gateway.connections : {
for connection_name, connection in gateway.connections : [
for tunnel_name, tunnel in connection.tunnels : {
"gateway_id" = upcloud_gateway.gateway[gateway_name].id
"gateway_name" = gateway_name
"connection_id" = upcloud_gateway_connection.gateway_connection["${gateway_name}-${connection_name}"].id
"connection_name" = connection_name
"tunnel_name" = tunnel_name
"local_address_name" = tolist(upcloud_gateway.gateway[gateway_name].address).0.name
"remote_address" = connection.remote_address
}
"remote_address" = tunnel.remote_address
"ipsec_properties" = tunnel.ipsec_properties
}
]
]
])
@ -684,7 +688,7 @@ resource "upcloud_gateway_connection" "gateway_connection" {
resource "upcloud_gateway_connection_tunnel" "gateway_connection_tunnel" {
for_each = {
for gct in local.gateway_connection_tunnels : "${gct.gateway_name}-${gct.connection_name}-tunnel" => gct
for gct in local.gateway_connection_tunnels : "${gct.gateway_name}-${gct.connection_name}-${gct.tunnel_name}-tunnel" => gct
}
connection_id = each.value.connection_id
@ -695,6 +699,24 @@ resource "upcloud_gateway_connection_tunnel" "gateway_connection_tunnel" {
ipsec_auth_psk {
psk = var.gateway_vpn_psks[each.key].psk
}
dynamic "ipsec_properties" {
for_each = each.value.ipsec_properties != null ? { "ip": each.value.ipsec_properties } : {}
content {
child_rekey_time = ipsec_properties.value["child_rekey_time"]
dpd_delay = ipsec_properties.value["dpd_delay"]
dpd_timeout = ipsec_properties.value["dpd_timeout"]
ike_lifetime = ipsec_properties.value["ike_lifetime"]
rekey_time = ipsec_properties.value["rekey_time"]
phase1_algorithms = ipsec_properties.value["phase1_algorithms"]
phase1_dh_group_numbers = ipsec_properties.value["phase1_dh_group_numbers"]
phase1_integrity_algorithms = ipsec_properties.value["phase1_integrity_algorithms"]
phase2_algorithms = ipsec_properties.value["phase2_algorithms"]
phase2_dh_group_numbers = ipsec_properties.value["phase2_dh_group_numbers"]
phase2_integrity_algorithms = ipsec_properties.value["phase2_integrity_algorithms"]
}
}
}
resource "upcloud_network_peering" "peering" {

17
contrib/terraform/upcloud/modules/kubernetes-cluster/variables.tf
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@ -139,7 +139,22 @@ variable "gateways" {
type = string
static_network = string
})))
remote_address = string
tunnels = optional(map(object({
remote_address = string
ipsec_properties = optional(object({
child_rekey_time = number
dpd_delay = number
dpd_timeout = number
ike_lifetime = number
rekey_time = number
phase1_algorithms = set(string)
phase1_dh_group_numbers = set(string)
phase1_integrity_algorithms = set(string)
phase2_algorithms = set(string)
phase2_dh_group_numbers = set(string)
phase2_integrity_algorithms = set(string)
}))
})))
})))
}))
}

2
contrib/terraform/upcloud/modules/kubernetes-cluster/versions.tf
View File

@ -3,7 +3,7 @@ terraform {
required_providers {
upcloud = {
source = "UpCloudLtd/upcloud"
version = "~>5.8.0"
version = "~>5.9.0"
}
}
required_version = ">= 0.13"

17
contrib/terraform/upcloud/variables.tf
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@ -181,7 +181,22 @@ variable "gateways" {
type = string
static_network = string
})), {})
remote_address = string
tunnels = optional(map(object({
remote_address = string
ipsec_properties = optional(object({
child_rekey_time = number
dpd_delay = number
dpd_timeout = number
ike_lifetime = number
rekey_time = number
phase1_algorithms = set(string)
phase1_dh_group_numbers = set(string)
phase1_integrity_algorithms = set(string)
phase2_algorithms = set(string)
phase2_dh_group_numbers = set(string)
phase2_integrity_algorithms = set(string)
}))
})), {})
})), {})
}))
default = {}

2
contrib/terraform/upcloud/versions.tf
View File

@ -3,7 +3,7 @@ terraform {
required_providers {
upcloud = {
source = "UpCloudLtd/upcloud"
version = "~>5.8.0"
version = "~>5.9.0"
}
}
required_version = ">= 0.13"