Added kubernetes cluster

This commit is contained in:
Kasper Juul Hermansen 2022-06-04 14:07:06 +02:00
parent 5be8d177ae
commit e48fef19cd
Signed by: kjuulh
GPG Key ID: 0F95C140730F2F23
5 changed files with 962 additions and 5634 deletions

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@ -0,0 +1,50 @@
"apiVersion": "kustomize.config.k8s.io/v1beta1"
"kind": "Kustomization"
"patchesStrategicMerge":
- |
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: kured
namespace: kube-system
spec:
selector:
matchLabels:
name: kured
template:
metadata:
labels:
name: kured
spec:
serviceAccountName: kured
containers:
- name: kured
command:
- /usr/bin/kured
- --reboot-command=/usr/bin/systemctl reboot
- |
apiVersion: apps/v1
kind: Deployment
metadata:
name: system-upgrade-controller
namespace: system-upgrade
spec:
template:
spec:
containers:
- name: system-upgrade-controller
volumeMounts:
- name: ca-certificates
mountPath: /var/lib/ca-certificates
volumes:
- name: ca-certificates
hostPath:
path: /var/lib/ca-certificates
type: Directory
- "ccm.yaml"
"resources":
- "https://github.com/hetznercloud/hcloud-cloud-controller-manager/releases/download/v1.12.1/ccm-networks.yaml"
- "https://github.com/weaveworks/kured/releases/download/1.9.2/kured-1.9.2-dockerhub.yaml"
- "https://raw.githubusercontent.com/rancher/system-upgrade-controller/master/manifests/system-upgrade-controller.yaml"
- "https://raw.githubusercontent.com/hetznercloud/csi-driver/v1.6.0/deploy/kubernetes/hcloud-csi.yml"
- "traefik_config.yaml"

52
main.tf
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@ -1,10 +1,28 @@
terraform {
required_version = ">= 1.2.0"
required_providers {
hcloud = {
source = "hetznercloud/hcloud"
version = ">= 1.0.0"
}
}
}
provider "hcloud" {
token = var.hcloud_token
}
module "kube-hetzner" {
providers = {
hcloud = hcloud
}
source = "kube-hetzner/kube-hetzner/hcloud"
hcloud_token = var.hcloud_token
public_key = ".keys/id_ed25519.pub"
private_key = ".keys/id_ed25519"
ssh_public_key = file(".keys/id_ed25519.pub")
ssh_private_key = file(".keys/id_ed25519")
network_region = "eu-central" # change to `us-east` if location is ash
control_plane_nodepools = [
@ -49,7 +67,7 @@ module "kube-hetzner" {
location = "nbg1",
labels = [],
taints = [],
count = 1
count = 0
},
{
name = "storage1",
@ -61,13 +79,14 @@ module "kube-hetzner" {
taints = [
"server-usage=storage:NoSchedule"
],
count = 2
count = 1
}
]
load_balancer_type = "lb11"
load_balancer_location = "fsn1"
traefik_enabled = true
traefik_additional_options = ["--log.level=DEBUG", "--tracing=true"]
metrics_server_enabled = true
automatically_upgrade_k3s = true
initial_k3s_channel = "stable"
@ -95,10 +114,7 @@ module "kube-hetzner" {
}
]
# If you want to configure additional Arguments for traefik, enter them here as a list and in the form of traefik CLI arguments; see https://doc.traefik.io/traefik/reference/static-configuration/cli/
# Example: traefik_additional_options = ["--log.level=DEBUG", "--tracing=true"]
traefik_additional_options = ["--tracing=true"]
enable_cert_manager = true
enable_cert_manager = false
}
module "dns" {
@ -121,13 +137,13 @@ module "dns" {
]
}
module "flux" {
source = "./modules/flux"
path = "clank"
namespace = "flux-system"
url = "ssh://git@git.front.kjuulh.io/clank/kubernetes-state.git"
branch = "main"
ssh_private_key_pem = file(".keys/id_clank")
ssh_public_key_pem = file(".keys/id_clank.pub")
}
#module "flux" {
# source = "./modules/flux"
# path = "clank"
# namespace = "flux-system"
# url = "ssh://git@git.front.kjuulh.io/clank/kubernetes-state.git"
# branch = "main"
#
# ssh_private_key_pem = file(".keys/id_clank")
# ssh_public_key_pem = file(".keys/id_clank.pub")
#}

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@ -1,116 +1,128 @@
# Install
data "flux_install" "main" {
target_path = var.path
network_policy = false
version = "latest"
}
resource "kubernetes_namespace" "flux_system" {
metadata {
name = var.namespace
}
lifecycle {
ignore_changes = [
metadata[0].labels,
]
}
}
resource "kubernetes_namespace" "prod" {
metadata {
name = "prod"
}
lifecycle {
ignore_changes = [
metadata[0].labels,
]
}
}
data "kubectl_file_documents" "apply" {
content = data.flux_install.main.content
}
# Convert documents list to include parsed yaml data
locals {
apply = [for v in data.kubectl_file_documents.apply.documents : {
data : yamldecode(v)
content : v
}
]
}
# Apply manifests on the cluster
resource "kubectl_manifest" "apply" {
for_each = { for v in local.apply : lower(join("/", compact([v.data.apiVersion, v.data.kind, lookup(v.data.metadata, "namespace", ""), v.data.metadata.name]))) => v.content }
depends_on = [kubernetes_namespace.flux_system]
yaml_body = each.value
}
# Sync
data "flux_sync" "main" {
target_path = var.path
url = var.url
branch = var.branch
}
# Split multi-doc YAML with
# https://registry.terraform.io/providers/gavinbunney/kubectl/latest
data "kubectl_file_documents" "sync" {
content = data.flux_sync.main.content
}
# Convert documents list to include parsed yaml data
locals {
sync = [for v in data.kubectl_file_documents.sync.documents : {
data : yamldecode(v)
content : v
}
]
}
# Apply manifests on the cluster
resource "kubectl_manifest" "sync" {
for_each = { for v in local.sync : lower(join("/", compact([v.data.apiVersion, v.data.kind, lookup(v.data.metadata, "namespace", ""), v.data.metadata.name]))) => v.content }
depends_on = [kubernetes_namespace.flux_system]
yaml_body = each.value
}
locals {
known_hosts = <<EOT
git.front.kjuulh.io ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGJdO0Tw0e/Fa78g1Xszc4oKaOPbTwl7RTAaGQb0TrV8
git.front.kjuulh.io ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBO61xoa0ON2Y8rpIB6R9PFxg9HUxMym8Z5I4vYUC+/UnzaDx9YUEGo3Vig9wBo6Hc2lAp0BIwH/d5d6uBBEIj/Y=
EOT
}
# Generate a Kubernetes secret with the Git credentials
resource "kubernetes_secret" "main" {
depends_on = [kubectl_manifest.apply]
metadata {
name = data.flux_sync.main.secret
namespace = data.flux_sync.main.namespace
}
data = {
identity = var.ssh_private_key_pem
"identity.pub" = var.ssh_public_key_pem
# identity = <<EOT
#-----BEGIN OPENSSH PRIVATE KEY-----
#b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
#QyNTUxOQAAACBYZYPLAjLRZhUHfk4yTLmiQTDmdWPIgZTI+dGLgpY/GAAAAJgGvLdRBry3
#UQAAAAtzc2gtZWQyNTUxOQAAACBYZYPLAjLRZhUHfk4yTLmiQTDmdWPIgZTI+dGLgpY/GA
#AAAEBmqJkdSt8H6HIVzV6Na8ukBOj4Bywd970sQVPWAz8Ug1hlg8sCMtFmFQd+TjJMuaJB
#MOZ1Y8iBlMj50YuClj8YAAAAEWNvbnRhY3RAa2p1dWxoLmlvAQIDBA==
#-----END OPENSSH PRIVATE KEY-----
#EOT
# "identity.pub" = <<EOT
#ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFhlg8sCMtFmFQd+TjJMuaJBMOZ1Y8iBlMj50YuClj8Y contact@kjuulh.io
#EOT
known_hosts = local.known_hosts
}
}
#data "flux_install" "main" {
# target_path = var.path
# network_policy = false
# version = "latest"
#}
#
#resource "kubernetes_namespace" "flux_system" {
# metadata {
# name = var.namespace
# }
#
# lifecycle {
# ignore_changes = [
# metadata[0].labels,
# ]
# }
#}
#
#resource "kubernetes_namespace" "prod" {
# metadata {
# name = "prod"
# }
#
# lifecycle {
# ignore_changes = [
# metadata[0].labels,
# ]
# }
#}
#
#resource "kubernetes_namespace" "platform" {
# metadata {
# name = "platform"
# }
#
# lifecycle {
# ignore_changes = [
# metadata[0].labels,
# ]
# }
#}
#
#data "kubectl_file_documents" "apply" {
# content = data.flux_install.main.content
#}
#
## Convert documents list to include parsed yaml data
#locals {
# apply = [for v in data.kubectl_file_documents.apply.documents : {
# data : yamldecode(v)
# content : v
# }
# ]
#}
#
## Apply manifests on the cluster
#resource "kubectl_manifest" "apply" {
# for_each = { for v in local.apply : lower(join("/", compact([v.data.apiVersion, v.data.kind, lookup(v.data.metadata, "namespace", ""), v.data.metadata.name]))) => v.content }
# depends_on = [kubernetes_namespace.flux_system]
# yaml_body = each.value
#}
#
## Sync
#
#data "flux_sync" "main" {
# target_path = var.path
# url = var.url
# branch = var.branch
#}
#
## Split multi-doc YAML with
## https://registry.terraform.io/providers/gavinbunney/kubectl/latest
#data "kubectl_file_documents" "sync" {
# content = data.flux_sync.main.content
#}
#
## Convert documents list to include parsed yaml data
#locals {
# sync = [for v in data.kubectl_file_documents.sync.documents : {
# data : yamldecode(v)
# content : v
# }
# ]
#}
#
## Apply manifests on the cluster
#resource "kubectl_manifest" "sync" {
# for_each = { for v in local.sync : lower(join("/", compact([v.data.apiVersion, v.data.kind, lookup(v.data.metadata, "namespace", ""), v.data.metadata.name]))) => v.content }
# depends_on = [kubernetes_namespace.flux_system]
# yaml_body = each.value
#}
#
#locals {
# known_hosts = <<EOT
#git.front.kjuulh.io ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGJdO0Tw0e/Fa78g1Xszc4oKaOPbTwl7RTAaGQb0TrV8
#git.front.kjuulh.io ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBO61xoa0ON2Y8rpIB6R9PFxg9HUxMym8Z5I4vYUC+/UnzaDx9YUEGo3Vig9wBo6Hc2lAp0BIwH/d5d6uBBEIj/Y=
#EOT
#}
#
## Generate a Kubernetes secret with the Git credentials
#resource "kubernetes_secret" "main" {
# depends_on = [kubectl_manifest.apply]
#
# metadata {
# name = data.flux_sync.main.secret
# namespace = data.flux_sync.main.namespace
# }
#
# data = {
# identity = var.ssh_private_key_pem
# "identity.pub" = var.ssh_public_key_pem
# # identity = <<EOT
# #-----BEGIN OPENSSH PRIVATE KEY-----
# #b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
# #QyNTUxOQAAACBYZYPLAjLRZhUHfk4yTLmiQTDmdWPIgZTI+dGLgpY/GAAAAJgGvLdRBry3
# #UQAAAAtzc2gtZWQyNTUxOQAAACBYZYPLAjLRZhUHfk4yTLmiQTDmdWPIgZTI+dGLgpY/GA
# #AAAEBmqJkdSt8H6HIVzV6Na8ukBOj4Bywd970sQVPWAz8Ug1hlg8sCMtFmFQd+TjJMuaJB
# #MOZ1Y8iBlMj50YuClj8YAAAAEWNvbnRhY3RAa2p1dWxoLmlvAQIDBA==
# #-----END OPENSSH PRIVATE KEY-----
# #EOT
# # "identity.pub" = <<EOT
# #ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFhlg8sCMtFmFQd+TjJMuaJBMOZ1Y8iBlMj50YuClj8Y contact@kjuulh.io
# #EOT
# known_hosts = local.known_hosts
# }
#}

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