Kubernetes Configuration Reference

Dynamic configuration with Kubernetes Custom Resource

Definitions

apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: ingressroutes.traefik.containo.us
spec:
  group: traefik.containo.us
  version: v1alpha1
  names:
    kind: IngressRoute
    plural: ingressroutes
    singular: ingressroute
  scope: Namespaced
---
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: middlewares.traefik.containo.us
spec:
  group: traefik.containo.us
  version: v1alpha1
  names:
    kind: Middleware
    plural: middlewares
    singular: middleware
  scope: Namespaced
---
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: ingressroutetcps.traefik.containo.us
spec:
  group: traefik.containo.us
  version: v1alpha1
  names:
    kind: IngressRouteTCP
    plural: ingressroutetcps
    singular: ingressroutetcp
  scope: Namespaced
---
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: ingressrouteudps.traefik.containo.us
spec:
  group: traefik.containo.us
  version: v1alpha1
  names:
    kind: IngressRouteUDP
    plural: ingressrouteudps
    singular: ingressrouteudp
  scope: Namespaced
---
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: tlsoptions.traefik.containo.us
spec:
  group: traefik.containo.us
  version: v1alpha1
  names:
    kind: TLSOption
    plural: tlsoptions
    singular: tlsoption
  scope: Namespaced
---
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: tlsstores.traefik.containo.us
spec:
  group: traefik.containo.us
  version: v1alpha1
  names:
    kind: TLSStore
    plural: tlsstores
    singular: tlsstore
  scope: Namespaced
---
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: traefikservices.traefik.containo.us
spec:
  group: traefik.containo.us
  version: v1alpha1
  names:
    kind: TraefikService
    plural: traefikservices
    singular: traefikservice
  scope: Namespaced

Resources

apiVersion: traefik.containo.us/v1alpha1
kind: TraefikService
metadata:
  name: wrr2
  namespace: default
spec:
  weighted:
    services:
      - name: s1
        weight: 1
        port: 80
        # Optional, as it is the default value
        kind: Service
      - name: s3
        weight: 1
        port: 80
---
apiVersion: traefik.containo.us/v1alpha1
kind: TraefikService
metadata:
  name: wrr1
  namespace: default
spec:
  weighted:
    services:
      - name: wrr2
        kind: TraefikService
        weight: 1
      - name: s3
        weight: 1
        port: 80
---
apiVersion: traefik.containo.us/v1alpha1
kind: TraefikService
metadata:
  name: mirror1
  namespace: default
spec:
  mirroring:
    name: s1
    port: 80
    mirrors:
      - name: s3
        percent: 20
        port: 80
      - name: mirror2
        kind: TraefikService
        percent: 20
---
apiVersion: traefik.containo.us/v1alpha1
kind: TraefikService
metadata:
  name: mirror2
  namespace: default
spec:
  mirroring:
    name: wrr2
    kind: TraefikService
    mirrors:
      - name: s2
        # Optional
        maxBodySize: 2000000000
        # Optional, as it is the default value
        kind: Service
        percent: 20
        port: 80
---
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
  name: ingressroute
spec:
  entryPoints:
    - web
    - websecure
  routes:
    - match: Host(`example.net`) && PathPrefix(`/bar`)
      kind: Rule
      priority: 12
      # defining several services is possible and allowed, but for now the servers of
      # all the services (for a given route) get merged altogether under the same
      # load-balancing strategy.
      services:
        - name: s1
          port: 80
          # strategy defines the load balancing strategy between the servers. It defaults
          # to Round Robin, and for now only Round Robin is supported anyway.
          strategy: RoundRobin
        - name: s2
          port: 433
    - match: PathPrefix(`/misc`)
      services:
        - name: s3
          port: 80
      middlewares:
        - name: stripprefix
        - name: addprefix
    - match: PathPrefix(`/misc`)
      services:
        - name: s3
          # Optional, as it is the default value
          kind: Service
          port: 8443
          # scheme allow to override the scheme for the service. (ex: https or h2c)
          scheme: https
    - match: PathPrefix(`/lb`)
      services:
        - name: wrr1
          kind: TraefikService
    - match: PathPrefix(`/mirrored`)
      services:
        - name: mirror1
          kind: TraefikService
  # use an empty tls object for TLS with Let's Encrypt
  tls:
    secretName: supersecret
    options:
      name: myTLSOption
      namespace: default
---
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRouteTCP
metadata:
  name: ingressroutetcp.crd
  namespace: default
spec:
  entryPoints:
    - footcp
  routes:
    - match: HostSNI(`example.com`)
      services:
        - name: whoamitcp
          port: 8080
  tls:
    secretName: foosecret
    passthrough: false
    options:
      name: myTLSOption
      namespace: default
---
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRouteUDP
metadata:
  name: ingressrouteudp.crd
  namespace: default
spec:
  entryPoints:
    - footcp
  routes:
    - services:
        - name: whoamiudp
          port: 8080
---
apiVersion: traefik.containo.us/v1alpha1
kind: TLSOption
metadata:
  name: tlsoption
  namespace: default
spec:
  minVersion: foobar
  maxVersion: foobar
  cipherSuites:
    - foobar
    - foobar
  curvePreferences:
    - foobar
    - foobar
  clientAuth:
    caFiles:
      - foobar
      - foobar
    clientAuthType: foobar
  sniStrict: true
  preferServerCipherSuites: true

RBAC

kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: traefik-ingress-controller
rules:
  - apiGroups:
      - ""
    resources:
      - services
      - endpoints
      - secrets
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - extensions
    resources:
      - ingresses
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - extensions
    resources:
      - ingresses/status
    verbs:
      - update
  - apiGroups:
      - traefik.containo.us
    resources:
      - middlewares
      - ingressroutes
      - traefikservices
      - ingressroutetcps
      - ingressrouteudps
      - tlsoptions
      - tlsstores
    verbs:
      - get
      - list
      - watch
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: traefik-ingress-controller
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: traefik-ingress-controller
subjects:
  - kind: ServiceAccount
    name: traefik-ingress-controller
    namespace: default