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# Rancher Kubernetes Cluster Module
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Dieses Terraform-Modul erstellt einen verwalteten Kubernetes-Cluster in Rancher mit Harvester als Infrastrukturprovider.
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## Features
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- Unterstützt drei Umgebungen (dev, test, prod) mit unterschiedlichen Node-Konfigurationen
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- Automatische Konfiguration von Cilium als CNI
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- Gateway API Integration
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- Flexible VM-Größen (large, xlarge, xxlarge)
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## Verwendung
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```hcl
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module "rancher_cluster" {
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source = "./modules/rancher-cluster"
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# Rancher Konfiguration
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rancher2_api_url = "https://rancher.example.com"
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rancher2_access_key = "access-key"
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rancher2_secret_key = "secret-key"
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# Cluster Konfiguration
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cluster_name = "mein-cluster"
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cluster_environment = "dev" # Mögliche Werte: dev, test, prod
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cluster_kubernetes_version = "v1.32.5+rke2r1"
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# Harvester Konfiguration
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harvester_cluster_name = "c-xxxxx"
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cluster_vm_namespace = "default"
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cluster_vm_network = "default/vmnetwork"
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cluster_vm_image = "default/image-xxxxx"
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}
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```
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## Inputs
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| Name | Beschreibung | Typ | Erforderlich |
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|------|-------------|-----|-------------|
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| rancher2_api_url | Rancher API URL | string | ja |
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| rancher2_access_key | Rancher Access Key | string | ja |
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| rancher2_secret_key | Rancher Secret Key | string | ja |
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| rancher2_insecure | TLS-Verifizierung überspringen | bool | nein (default: false) |
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| cluster_name | Name des zu erstellenden Clusters | string | ja |
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| cluster_environment | Umgebung (dev/test/prod) | string | ja |
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| cluster_kubernetes_version | Kubernetes Version | string | ja |
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| harvester_cluster_name | Name des Harvester Clusters | string | ja |
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| cluster_vm_namespace | Namespace für VMs | string | ja |
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| cluster_vm_network | Netzwerk für VMs | string | ja |
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| cluster_vm_image | VM Image | string | ja |
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## Outputs
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| Name | Beschreibung |
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|------|-------------|
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| cluster_id | ID des erstellten Clusters |
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| cluster_name | Name des erstellten Clusters |
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| kube_config | Kubeconfig für den Cluster (sensitiv) |
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## Node-Konfigurationen nach Umgebung
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### Dev
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- 1 All-in-One Node (xxlarge)
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### Test
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- 1 Control-Plane Node (large)
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- 1 Worker Node (xlarge)
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### Prod
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- 3 Control-Plane Nodes (large)
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- 2 Worker Nodes (xlarge)
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