Configuration

The MikroLB controller reads it's runtime configuration completly from environment variables.

RouterOS

Variable	Required	Default	Description
ROUTEROS_URL	Yes	-	RouterOS URL containing just scheme and hostname.
ROUTEROS_USERNAME	Yes	-	RouterOS username
ROUTEROS_PASSWORD	Yes	-	RouterOS password
ROUTEROS_CA_CERT	No	-	PEM encoded CA certificate for TLS vertification (not a filepath)
ROUTEROS_CACHE_TIMEOUT	No	5m	Timeout for cached information (e.g. user policy)

Kubernetes

Variable	Required	Default	Description
LOAD_BALANCER_CLASS_NAME	No	mikrolb.de/controller	Load balancer class to match in K8s services
LOAD_BALANCER_DEFAULT	No	false	Whether MikroLB is the default load balancer for K8s services

Internal/Development

Variable	Required	Default	Description
METRICS_ADDR	No	:8080	Metrics bind address
PROBE_ADDR	No	:8081	Health/readiness probe bind address
WEBHOOK_PORT	No	9443	Webhook server port
WEBHOOK_CERT_DIR	No	/mnt/k8s-webhook-server/serving-certs	Webhook certificate directory
ALLOCATION_TIMEOUT	No	5m	Timeout for internal allocation state, not yet synced with the K8s API