⎈K8sCalc

$ k8scalc generate --list

Config Generators

Fill in the fields, get production-ready YAML or config output. Copy to clipboard or download directly.

Kubernetes

kubeadm Config Generator

kubeadm-config.yaml

Generate a production-ready kubeadm-config.yaml for bootstrapping a Kubernetes cluster. Outputs ClusterConfiguration, InitConfiguration, and KubeletConfiguration.

HAProxy Kubernetes Config Generator

haproxy.cfg

Generate a production-ready haproxy.cfg for load balancing the Kubernetes API server and Ingress controller. Supports 1–3 control plane nodes with TCP passthrough.

Kubernetes Network Policy Generator

network-policy.yaml

Generate Kubernetes NetworkPolicy YAML with default-deny and allow rules for namespace isolation. Supports ingress allow-lists, egress port rules, DNS, and Prometheus scraping.

etcd Backup CronJob Generator

etcd-backup-cronjob.yaml

Generate a Kubernetes CronJob that automatically takes etcd snapshots and uploads them to S3. Includes the Secret, ServiceAccount, and complete CronJob YAML.

Storage

Longhorn S3 Backup Config Generator

longhorn-s3-backup.yaml

Generate Longhorn S3 backup configuration: credentials Secret, BackupTarget settings, StorageClass, and RecurringJob YAML. Works with Hetzner Object Storage, AWS S3, and any S3-compatible endpoint.