Define a basic but working complete k3s-kubernetes setup

This commit is contained in:
2025-03-10 01:21:02 +01:00
parent 2d93766c09
commit 1eb2ce341a
11 changed files with 404 additions and 32 deletions

119
main.tf
View File

@@ -1,3 +1,54 @@
resource "hcloud_ssh_key" "this" {
for_each = var.ssh_keys
name = each.key
public_key = each.value
}
resource "hcloud_primary_ip" "k8s_ipv4" {
name = "k8s_primary_ipv4"
datacenter = "fsn1-dc14"
type = "ipv4"
assignee_type = "server"
auto_delete = false # change to true and apply before deleting!
}
resource "hcloud_primary_ip" "k8s_ipv6" {
name = "k8s_primary_ipv6"
datacenter = "fsn1-dc14"
type = "ipv6"
assignee_type = "server"
auto_delete = false # change to true and apply before deleting!
}
data "external" "my_ip" {
program = [
"sh",
"-c",
"(dig TXT +short -4 o-o.myaddr.l.google.com @ns1.google.com && dig TXT +short -6 o-o.myaddr.l.google.com @ns1.google.com) | jq '{(.): .}' | jq -s add"
]
}
module "k8s" {
source = "./modules/hetzner/kubernetes"
development_ips = [ for ip in data.external.my_ip.result : ip ]
name = "cluster1"
ssh_keys = [for o in hcloud_ssh_key.this : o.id]
# Only odd numbers of servers make any sense
servers = [{
ipv4_id = hcloud_primary_ip.k8s_ipv4.id
ipv6_id = hcloud_primary_ip.k8s_ipv6.id
type = "cax11"
location = "fsn1"
}]
agents = [{
type = "cax11"
location = "fsn1"
count = 1
}]
}
locals {
dns_zones = {
# costs-table:
@@ -12,58 +63,72 @@ locals {
"goperte.de" = {
zone_ttl = 900
records = [
{ name = "@", type = "A", value = "62.138.6.205" },
{ name = "*", type = "A", value = "62.138.6.205" },
{ name = "@", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "*", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "@", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
{ name = "*", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
]
},
"nehrke.info" = {
zone_ttl = 3600
zone_ttl = 900
records = [
{ name = "@", ttl = 900, type = "A", value = "62.138.6.205" },
{ name = "*", ttl = 900, type = "A", value = "62.138.6.205" },
{ name = "@", type = "MX", value = "1 smtp.google.com." },
{ name = "@", type = "TXT", value = "v=spf1 include:_spf.google.com a mx ~all" },
{ name = "_dmarc", type = "TXT", value = "v=DMARC1; p=none;" },
{ name = "google._domainkey", type = "TXT", value = var.nehrke_info_dkim },
{ name = "@", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "*", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "@", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
{ name = "*", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
{ name = "@", ttl = 86400, type = "MX", value = "1 smtp.google.com." },
{ name = "@", ttl = 86400, type = "TXT", value = "v=spf1 include:_spf.google.com a mx ~all" },
{ name = "_dmarc", ttl = 86400, type = "TXT", value = "v=DMARC1; p=none;" },
{ name = "google._domainkey", ttl = 86400, type = "TXT", value = var.nehrke_info_dkim },
]
},
"sozpaedil.net" = {
zone_ttl = 3600
zone_ttl = 900
records = [
{ name = "@", ttl = 900, type = "A", value = "62.138.6.205" },
{ name = "*", ttl = 900, type = "A", value = "62.138.6.205" },
{ name = "@", type = "MX", value = "1 smtp.google.com." },
{ name = "@", type = "TXT", value = "v=spf1 include:_spf.google.com a mx ~all" },
{ name = "_dmarc", type = "TXT", value = "v=DMARC1; p=none;" },
{ name = "google._domainkey", type = "TXT", value = var.sozpaedil_net_dkim },
{ name = "@", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "*", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "@", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
{ name = "*", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
{ name = "@", ttl = 86400, type = "MX", value = "1 smtp.google.com." },
{ name = "@", ttl = 86400, type = "TXT", value = "v=spf1 include:_spf.google.com a mx ~all" },
{ name = "_dmarc", ttl = 86400, type = "TXT", value = "v=DMARC1; p=none;" },
{ name = "google._domainkey", ttl = 86400, type = "TXT", value = var.sozpaedil_net_dkim },
]
},
"tovot.de" = {
zone_ttl = 900
records = [
{ name = "@", type = "A", value = "62.138.6.205" },
{ name = "*", type = "A", value = "62.138.6.205" },
{ name = "@", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "*", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "@", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
{ name = "*", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
]
},
"tovot.net" = {
zone_ttl = 900
records = [
{ name = "@", type = "A", value = "62.138.6.205" },
{ name = "*", type = "A", value = "62.138.6.205" },
{ name = "@", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "*", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "@", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
{ name = "*", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
]
},
"tovot.org" = {
zone_ttl = 900
records = [
{ name = "@", type = "A", value = "62.138.6.205" },
{ name = "*", type = "A", value = "62.138.6.205" },
{ name = "@", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "*", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "@", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
{ name = "*", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
]
},
"xn--alleingnger-r8a.de" = {
zone_ttl = 900
records = [
{ name = "@", type = "A", value = "62.138.6.205" },
{ name = "*", type = "A", value = "62.138.6.205" },
{ name = "@", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "*", type = "A", value = hcloud_primary_ip.k8s_ipv4.ip_address },
{ name = "@", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
{ name = "*", type = "AAAA", value = hcloud_primary_ip.k8s_ipv6.ip_address },
]
},
}
@@ -77,9 +142,3 @@ module "dns" {
records = lookup(each.value, "records")
}
resource "hcloud_ssh_key" "this" {
for_each = var.ssh_keys
name = each.key
public_key = each.value
}