kjuulh/terraform-hcloud-kube-hetzner
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ip problem solved

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This commit is contained in:
Karim Naufal 2022-04-09 09:51:11 +02:00
parent 65297f7ded
commit 4117776994
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GPG Key ID: 9CB4A7C28C139CA5
5 changed files with 13 additions and 15 deletions
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6
agents.tf
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@ -12,11 +12,11 @@ module "agents" {
placement_group_id = hcloud_placement_group.k3s.id placement_group_id = hcloud_placement_group.k3s.id
location = each.value.location location = each.value.location
server_type = each.value.server_type server_type = each.value.server_type
ipv4_subnet_id = hcloud_network_subnet.subnet[[for i, v in var.agent_nodepools : i if v.name == each.value.nodepool_name][0] + 2].id ipv4_subnet_id = hcloud_network_subnet.subnet[[for i, v in var.agent_nodepools : i if v.name == each.value.nodepool_name][0] + length(var.control_plane_nodepools) + 1].id
# We leave some room so 100 eventual Hetzner LBs that can be created perfectly safely # We leave some room so 100 eventual Hetzner LBs that can be created perfectly safely
# It leaves the subnet with 254 x 254 - 100 = 64416 IPs to use, so probably enough. # It leaves the subnet with 254 x 254 - 100 = 64416 IPs to use, so probably enough.
private_ipv4 = cidrhost(local.network_ipv4_subnets[[for i, v in var.agent_nodepools : i if v.name == each.value.nodepool_name][0] + 2], each.value.index + 101) private_ipv4 = cidrhost(local.network_ipv4_subnets[[for i, v in var.agent_nodepools : i if v.name == each.value.nodepool_name][0] + length(var.control_plane_nodepools) + 1], each.value.index + 101)
labels = { labels = {
"provisioner" = "terraform", "provisioner" = "terraform",
@ -46,7 +46,7 @@ resource "null_resource" "agents" {
provisioner "file" { provisioner "file" {
content = yamlencode({ content = yamlencode({
node-name = module.agents[each.key].name node-name = module.agents[each.key].name
server = "https://${local.first_control_plane.private_ipv4_address}:6443" server = "https://${module.control_planes[keys(module.control_planes)[0]].private_ipv4_address}:6443"
token = random_password.k3s_token.result token = random_password.k3s_token.result
kubelet-arg = "cloud-provider=external" kubelet-arg = "cloud-provider=external"
flannel-iface = "eth1" flannel-iface = "eth1"

6
control_planes.tf
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@ -12,11 +12,11 @@ module "control_planes" {
placement_group_id = hcloud_placement_group.k3s.id placement_group_id = hcloud_placement_group.k3s.id
location = each.value.location location = each.value.location
server_type = each.value.server_type server_type = each.value.server_type
ipv4_subnet_id = hcloud_network_subnet.subnet[1].id ipv4_subnet_id = hcloud_network_subnet.subnet[[for i, v in var.control_plane_nodepools : i if v.name == each.value.nodepool_name][0] + 1].id
# We leave some room so 100 eventual Hetzner LBs that can be created perfectly safely # We leave some room so 100 eventual Hetzner LBs that can be created perfectly safely
# It leaves the subnet with 254 x 254 - 100 = 64416 IPs to use, so probably enough. # It leaves the subnet with 254 x 254 - 100 = 64416 IPs to use, so probably enough.
private_ipv4 = cidrhost(local.network_ipv4_subnets[1], length([for i, v in var.control_plane_nodepools : i if v.name == each.value.nodepool_name]) + each.value.index + 101) private_ipv4 = cidrhost(local.network_ipv4_subnets[[for i, v in var.control_plane_nodepools : i if v.name == each.value.nodepool_name][0] + 1], each.value.index + 101)
labels = { labels = {
"provisioner" = "terraform", "provisioner" = "terraform",
@ -46,7 +46,7 @@ resource "null_resource" "control_planes" {
provisioner "file" { provisioner "file" {
content = yamlencode({ content = yamlencode({
node-name = module.control_planes[each.key].name node-name = module.control_planes[each.key].name
server = "https://${local.first_control_plane.private_ipv4_address}:6443" server = "https://${module.control_planes[each.key].private_ipv4_address == "10.1.0.101" ? "10.1.0.102" : "10.1.0.101"}:6443"
token = random_password.k3s_token.result token = random_password.k3s_token.result
disable-cloud-controller = true disable-cloud-controller = true
disable = local.disable_extras disable = local.disable_extras

10
init.tf
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@ -3,21 +3,21 @@ resource "null_resource" "first_control_plane" {
user = "root" user = "root"
private_key = local.ssh_private_key private_key = local.ssh_private_key
agent_identity = local.ssh_identity agent_identity = local.ssh_identity
host = local.first_control_plane.ipv4_address host = module.control_planes[keys(module.control_planes)[0]].ipv4_address
} }
# Generating k3s master config file # Generating k3s master config file
provisioner "file" { provisioner "file" {
content = yamlencode({ content = yamlencode({
node-name = local.first_control_plane.name node-name = module.control_planes[keys(module.control_planes)[0]].name
token = random_password.k3s_token.result token = random_password.k3s_token.result
cluster-init = true cluster-init = true
disable-cloud-controller = true disable-cloud-controller = true
disable = local.disable_extras disable = local.disable_extras
flannel-iface = "eth1" flannel-iface = "eth1"
kubelet-arg = "cloud-provider=external" kubelet-arg = "cloud-provider=external"
node-ip = local.first_control_plane.private_ipv4_address node-ip = module.control_planes[keys(module.control_planes)[0]].private_ipv4_address
advertise-address = local.first_control_plane.private_ipv4_address advertise-address = module.control_planes[keys(module.control_planes)[0]].private_ipv4_address
node-taint = var.allow_scheduling_on_control_plane ? [] : ["node-role.kubernetes.io/master:NoSchedule"] node-taint = var.allow_scheduling_on_control_plane ? [] : ["node-role.kubernetes.io/master:NoSchedule"]
node-label = var.automatically_upgrade_k3s ? ["k3s_upgrade=true"] : [] node-label = var.automatically_upgrade_k3s ? ["k3s_upgrade=true"] : []
}) })
@ -66,7 +66,7 @@ resource "null_resource" "kustomization" {
user = "root" user = "root"
private_key = local.ssh_private_key private_key = local.ssh_private_key
agent_identity = local.ssh_identity agent_identity = local.ssh_identity
host = local.first_control_plane.ipv4_address host = module.control_planes[keys(module.control_planes)[0]].ipv4_address
} }
# Upload kustomization.yaml, containing Hetzner CSI & CSM, as well as kured. # Upload kustomization.yaml, containing Hetzner CSI & CSM, as well as kured.

4
kubeconfig.tf
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@ -1,7 +1,7 @@
data "remote_file" "kubeconfig" { data "remote_file" "kubeconfig" {
conn { conn {
host = local.first_control_plane.ipv4_address host = module.control_planes[keys(module.control_planes)[0]].ipv4_address
port = 22 port = 22
user = "root" user = "root"
private_key = local.ssh_private_key private_key = local.ssh_private_key
@ -13,7 +13,7 @@ data "remote_file" "kubeconfig" {
} }
locals { locals {
kubeconfig_external = replace(data.remote_file.kubeconfig.content, "127.0.0.1", local.first_control_plane.ipv4_address) kubeconfig_external = replace(data.remote_file.kubeconfig.content, "127.0.0.1", module.control_planes[keys(module.control_planes)[0]].ipv4_address)
kubeconfig_parsed = yamldecode(local.kubeconfig_external) kubeconfig_parsed = yamldecode(local.kubeconfig_external)
kubeconfig_data = { kubeconfig_data = {
host = local.kubeconfig_parsed["clusters"][0]["cluster"]["server"] host = local.kubeconfig_parsed["clusters"][0]["cluster"]["server"]

2
locals.tf
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@ -210,6 +210,4 @@ locals {
# Default k3s node labels # Default k3s node labels
default_agent_labels = concat([], var.automatically_upgrade_k3s ? ["k3s_upgrade=true"] : []) default_agent_labels = concat([], var.automatically_upgrade_k3s ? ["k3s_upgrade=true"] : [])
default_control_plane_labels = concat([], var.allow_scheduling_on_control_plane ? [] : ["node-role.kubernetes.io/master:NoSchedule"]) default_control_plane_labels = concat([], var.allow_scheduling_on_control_plane ? [] : ["node-role.kubernetes.io/master:NoSchedule"])
first_control_plane = module.control_planes[keys(module.control_planes)[0]]
} }