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net.tf
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net.tf
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resource "hcloud_network" "priv" {
name = "${var.prefix}-private-net"
ip_range = local.network_cidr
labels = var.labels
}
resource "hcloud_network_subnet" "master" {
network_id = hcloud_network.priv.id
type = "server"
network_zone = var.network_zone
ip_range = "10.1.0.0/16"
}
resource "hcloud_network_subnet" "agent" {
network_id = hcloud_network.priv.id
type = "server"
network_zone = var.network_zone
ip_range = "10.2.0.0/16"
}
resource "hcloud_firewall" "master" {
name = "${var.prefix}-master-firewall"
labels = var.labels
rule {
direction = "in"
protocol = "tcp"
port = "6443"
source_ips = [
"0.0.0.0/0",
"::/0"
]
description = "Allow Kubernetes API server port for remotely controlling the K8s cluster"
}
rule {
direction = "in"
protocol = "tcp"
port = "9345"
source_ips = [
"0.0.0.0/0",
"::/0"
]
description = "Allow Kubernetes API server port for remotely controlling the K8s cluster"
}
}
resource "hcloud_firewall" "agent" {
name = "${var.prefix}-agent-firewall"
labels = var.labels
rule {
direction = "in"
protocol = "tcp"
port = "10250"
source_ips = [
"0.0.0.0/0",
"::/0"
]
description = "Allow access to the Kubelet API"
}
rule {
direction = "in"
protocol = "tcp"
port = var.ssh_port
source_ips = [
"0.0.0.0/0",
"::/0"
]
description = "Allow SSH access"
}
rule {
direction = "in"
protocol = "tcp"
port = "any"
source_ips = [
hcloud_network.priv.ip_range,
local.hetzner_metadata_service_ipv4,
local.hetzner_cloud_api_ipv4
]
description = "Allow all TCP traffic from whitelisted IPs"
}
rule {
direction = "in"
protocol = "udp"
port = "any"
source_ips = [
hcloud_network.priv.ip_range,
local.hetzner_metadata_service_ipv4,
local.hetzner_cloud_api_ipv4
]
description = "Allow all UDP traffic from whitelisted IPs"
}
rule {
direction = "in"
protocol = "icmp"
source_ips = [
hcloud_network.priv.ip_range,
local.hetzner_metadata_service_ipv4,
local.hetzner_cloud_api_ipv4
]
description = "Allow all ICMP from whitelisted IPs"
}
}