k8s之traefik ingress的使用

概览:

kubernetes

Kubernetes, also known as K8s, is an open-source system for automating deployment, scaling, and management of containerized applications.

traefik

Traefik is an open-source Edge Router that makes publishing your services a fun and easy experience. It receives requests on behalf of your system and finds out which components are responsible for handling them.

使用traefik ingress

配置文件

traefik proxy

注意:我配置了域名,如没有域名。可以用过hosts文件提供。

crd-rbac.yaml

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apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: traefik-ingress-controller

rules:
- apiGroups:
- ""
resources:
- services
- endpoints
- secrets
verbs:
- get
- list
- watch
- apiGroups:
- extensions
- networking.k8s.io
resources:
- ingresses
- ingressclasses
verbs:
- get
- list
- watch
- apiGroups:
- extensions
resources:
- ingresses/status
verbs:
- update
- apiGroups:
- traefik.containo.us
resources:
- middlewares
- middlewaretcps
- ingressroutes
- traefikservices
- ingressroutetcps
- ingressrouteudps
- tlsoptions
- tlsstores
- serverstransports
verbs:
- get
- list
- watch

---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
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

traefik.yaml

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apiVersion: v1
kind: ServiceAccount
metadata:
name: traefik-ingress-controller

---
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: traefik
labels:
app: traefik

spec:
selector:
matchLabels:
app: traefik
template:
metadata:
labels:
app: traefik
spec:
serviceAccountName: traefik-ingress-controller
tolerations:
- operator: "Exists"
effect: "NoSchedule"
nodeSelector:
kubernetes.io/hostname: k8s-m1
containers:
- name: traefik
image: traefik:v2.8.1
args:
- --api
- --accesslog
- --api.insecure
- --api.dashboard
- --log.level=INFO
- --entrypoints.web.address=:80
- --entrypoints.websecure.address=:443
- --providers.kubernetescrd
- --providers.kubernetesingress
- --entryPoints.web.forwardedHeaders.trustedIPs=192.168.9.137
ports:
- name: web
hostPort: 80
containerPort: 80
- name: websecure
hostPort: 443
containerPort: 443
- name: admin
hostPort: 8080
containerPort: 8080
securityContext:
capabilities:
drop:
- ALL
add:
- NET_BIND_SERVICE
---
apiVersion: v1
kind: Service
metadata:
name: traefik
spec:
selector:
app: traefik
ports:
- protocol: TCP
port: 80
name: web
- protocol: TCP
port: 443
name: websecure
- protocol: TCP
port: 8080
name: admin

ingress示例

whoami.yaml

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apiVersion: apps/v1
kind: Deployment
metadata:
name: whoami
namespace: app
labels:
app: whoami

spec:
replicas: 2
selector:
matchLabels:
app: whoami
template:
metadata:
labels:
app: whoami
spec:
containers:
- name: whoami
image: traefik/whoami
ports:
- containerPort: 80

---
apiVersion: v1
kind: Service
metadata:
name: whoami
namespace: app
spec:
ports:
- name: http-80
port: 80
selector:
app: whoami

---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: whoami-ingress
namespace: app
annotations:
traefik.ingress.kubernetes.io/router.entrypoints: web

spec:
rules:
- host: www.guzal.cc
http:
paths:
- path: /whoami
pathType: Exact
backend:
service:
name: whoami
port:
number: 80

开始部署

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kubectl apply -f crd-rbac.yml -f traefik.yml
kubectl apply -f whoami.yaml

检查验证

因为traefik是hostPort暴露端口,所以直接访问k8s集群80端口即可。

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[root@k8s-master-01 app]# kubectl get pod -A | grep -E "traefik|whoami"
app whoami-6bbfdbb69c-d446q 1/1 Running 0 81s
app whoami-6bbfdbb69c-wrc4b 1/1 Running 0 81s
default traefik-b4mff 1/1 Running 0 2m8s

[root@k8s-master-01 app]# kubectl get svc -A | grep -E "traefik|whoami"
app whoami ClusterIP 10.96.2.2 <none> 80/TCP 106s
default traefik ClusterIP 10.96.1.14 <none> 80/TCP,443/TCP,8080/TCP 2m33s

[root@k8s-master-01 app]# kubectl get ingress -A | grep -E "traefik|whoami"
app whoami-ingress <none> www.guzal.cc 80 2m6s

我是用nginx代理了k8s,所以有ssl证书,若没有代理,直接访问80端口的whoami上下文即可。

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(base) mardan@Mardans-Mac-mini exec: 25/1793 current: 0 status: [ ok ]
ttys005 k8s %⚑ <<< curl https://www.guzal.cc/whoami
Hostname: whoami-6bbfdbb69c-d446q
IP: 127.0.0.1
IP: ::1
IP: 10.0.1.249
IP: fe80::18c8:7cff:fe53:37d2
RemoteAddr: 10.0.0.23:33254
GET /whoami HTTP/1.1
Host: www.guzal.cc
User-Agent: curl/7.64.1
Accept: */*
Accept-Encoding: gzip
X-Forwarded-For: 192.168.137.101, 192.168.137.3
X-Forwarded-Host: www.guzal.cc
X-Forwarded-Port: 80
X-Forwarded-Proto: http
X-Forwarded-Server: traefik-b4mff
X-Real-Ip: 192.168.137.101
X-Real-Port: 51898

traefik仪表盘

在traefik里面已经启用过dashboard,所以可以直接访问k8s_ip:8080来访问traefik仪表盘。我在这里使用了ingress来导出。

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apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: traefik-dashboard-ingress
namespace: default
annotations:
traefik.ingress.kubernetes.io/router.entrypoints: web

spec:
rules:
- host: traefik.guzal.cc
http:
paths:
- path: /
pathType: Prefix
backend:
service:
name: traefik
port:
number: 8080

ip:端口访问

域名访问,注意这个才是使用的ingress。

Traffic 进阶

ingress-extension.yml, traefik的高级ingress类型apiVersion: traefik.containo.us/v1alpha1 , kind: IngressRoute,可以提供更复杂的支持。

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# All resources definition must be declared

---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.6.2
creationTimestamp: null
name: ingressroutes.traefik.containo.us
spec:
group: traefik.containo.us
names:
kind: IngressRoute
listKind: IngressRouteList
plural: ingressroutes
singular: ingressroute
scope: Namespaced
versions:
- name: v1alpha1
schema:
openAPIV3Schema:
description: IngressRoute is the CRD implementation of a Traefik HTTP Router.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: IngressRouteSpec defines the desired state of IngressRoute.
properties:
entryPoints:
description: 'EntryPoints defines the list of entry point names to
bind to. Entry points have to be configured in the static configuration.
More info: https://doc.traefik.io/traefik/v2.8/routing/entrypoints/
Default: all.'
items:
type: string
type: array
routes:
description: Routes defines the list of routes.
items:
description: Route holds the HTTP route configuration.
properties:
kind:
description: Kind defines the kind of the route. Rule is the
only supported kind.
enum:
- Rule
type: string
match:
description: 'Match defines the router''s rule. More info: https://doc.traefik.io/traefik/v2.8/routing/routers/#rule'
type: string
middlewares:
description: 'Middlewares defines the list of references to
Middleware resources. More info: https://doc.traefik.io/traefik/v2.8/routing/providers/kubernetes-crd/#kind-middleware'
items:
description: MiddlewareRef is a reference to a Middleware
resource.
properties:
name:
description: Name defines the name of the referenced Middleware
resource.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Middleware resource.
type: string
required:
- name
type: object
type: array
priority:
description: 'Priority defines the router''s priority. More
info: https://doc.traefik.io/traefik/v2.8/routing/routers/#priority'
type: integer
services:
description: Services defines the list of Service. It can contain
any combination of TraefikService and/or reference to a Kubernetes
Service.
items:
description: Service defines an upstream HTTP service to proxy
traffic to.
properties:
kind:
description: Kind defines the kind of the Service.
enum:
- Service
- TraefikService
type: string
name:
description: Name defines the name of the referenced Kubernetes
Service or TraefikService. The differentiation between
the two is specified in the Kind field.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Kubernetes Service or TraefikService.
type: string
passHostHeader:
description: PassHostHeader defines whether the client
Host header is forwarded to the upstream Kubernetes
Service. By default, passHostHeader is true.
type: boolean
port:
anyOf:
- type: integer
- type: string
description: Port defines the port of a Kubernetes Service.
This can be a reference to a named port.
x-kubernetes-int-or-string: true
responseForwarding:
description: ResponseForwarding defines how Traefik forwards
the response from the upstream Kubernetes Service to
the client.
properties:
flushInterval:
description: 'FlushInterval defines the interval,
in milliseconds, in between flushes to the client
while copying the response body. A negative value
means to flush immediately after each write to the
client. This configuration is ignored when ReverseProxy
recognizes a response as a streaming response; for
such responses, writes are flushed to the client
immediately. Default: 100ms'
type: string
type: object
scheme:
description: Scheme defines the scheme to use for the
request to the upstream Kubernetes Service. It defaults
to https when Kubernetes Service port is 443, http otherwise.
type: string
serversTransport:
description: ServersTransport defines the name of ServersTransport
resource to use. It allows to configure the transport
between Traefik and your servers. Can only be used on
a Kubernetes Service.
type: string
sticky:
description: 'Sticky defines the sticky sessions configuration.
More info: https://doc.traefik.io/traefik/v2.8/routing/services/#sticky-sessions'
properties:
cookie:
description: Cookie defines the sticky cookie configuration.
properties:
httpOnly:
description: HTTPOnly defines whether the cookie
can be accessed by client-side APIs, such as
JavaScript.
type: boolean
name:
description: Name defines the Cookie name.
type: string
sameSite:
description: 'SameSite defines the same site policy.
More info: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite'
type: string
secure:
description: Secure defines whether the cookie
can only be transmitted over an encrypted connection
(i.e. HTTPS).
type: boolean
type: object
type: object
strategy:
description: Strategy defines the load balancing strategy
between the servers. RoundRobin is the only supported
value at the moment.
type: string
weight:
description: Weight defines the weight and should only
be specified when Name references a TraefikService object
(and to be precise, one that embeds a Weighted Round
Robin).
type: integer
required:
- name
type: object
type: array
required:
- kind
- match
type: object
type: array
tls:
description: 'TLS defines the TLS configuration. More info: https://doc.traefik.io/traefik/v2.8/routing/routers/#tls'
properties:
certResolver:
description: 'CertResolver defines the name of the certificate
resolver to use. Cert resolvers have to be configured in the
static configuration. More info: https://doc.traefik.io/traefik/v2.8/https/acme/#certificate-resolvers'
type: string
domains:
description: 'Domains defines the list of domains that will be
used to issue certificates. More info: https://doc.traefik.io/traefik/v2.8/routing/routers/#domains'
items:
description: Domain holds a domain name with SANs.
properties:
main:
description: Main defines the main domain name.
type: string
sans:
description: SANs defines the subject alternative domain
names.
items:
type: string
type: array
type: object
type: array
options:
description: 'Options defines the reference to a TLSOption, that
specifies the parameters of the TLS connection. If not defined,
the `default` TLSOption is used. More info: https://doc.traefik.io/traefik/v2.8/https/tls/#tls-options'
properties:
name:
description: 'Name defines the name of the referenced TLSOption.
More info: https://doc.traefik.io/traefik/v2.8/routing/providers/kubernetes-crd/#kind-tlsoption'
type: string
namespace:
description: 'Namespace defines the namespace of the referenced
TLSOption. More info: https://doc.traefik.io/traefik/v2.8/routing/providers/kubernetes-crd/#kind-tlsoption'
type: string
required:
- name
type: object
secretName:
description: SecretName is the name of the referenced Kubernetes
Secret to specify the certificate details.
type: string
store:
description: Store defines the reference to the TLSStore, that
will be used to store certificates. Please note that only `default`
TLSStore can be used.
properties:
name:
description: 'Name defines the name of the referenced TLSStore.
More info: https://doc.traefik.io/traefik/v2.8/routing/providers/kubernetes-crd/#kind-tlsstore'
type: string
namespace:
description: 'Namespace defines the namespace of the referenced
TLSStore. More info: https://doc.traefik.io/traefik/v2.8/routing/providers/kubernetes-crd/#kind-tlsstore'
type: string
required:
- name
type: object
type: object
required:
- routes
type: object
required:
- metadata
- spec
type: object
served: true
storage: true
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []

---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.6.2
creationTimestamp: null
name: ingressroutetcps.traefik.containo.us
spec:
group: traefik.containo.us
names:
kind: IngressRouteTCP
listKind: IngressRouteTCPList
plural: ingressroutetcps
singular: ingressroutetcp
scope: Namespaced
versions:
- name: v1alpha1
schema:
openAPIV3Schema:
description: IngressRouteTCP is the CRD implementation of a Traefik TCP Router.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: IngressRouteTCPSpec defines the desired state of IngressRouteTCP.
properties:
entryPoints:
description: 'EntryPoints defines the list of entry point names to
bind to. Entry points have to be configured in the static configuration.
More info: https://doc.traefik.io/traefik/v2.8/routing/entrypoints/
Default: all.'
items:
type: string
type: array
routes:
description: Routes defines the list of routes.
items:
description: RouteTCP holds the TCP route configuration.
properties:
match:
description: 'Match defines the router''s rule. More info: https://doc.traefik.io/traefik/v2.8/routing/routers/#rule_1'
type: string
middlewares:
description: Middlewares defines the list of references to MiddlewareTCP
resources.
items:
description: ObjectReference is a generic reference to a Traefik
resource.
properties:
name:
description: Name defines the name of the referenced Traefik
resource.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Traefik resource.
type: string
required:
- name
type: object
type: array
priority:
description: 'Priority defines the router''s priority. More
info: https://doc.traefik.io/traefik/v2.8/routing/routers/#priority_1'
type: integer
services:
description: Services defines the list of TCP services.
items:
description: ServiceTCP defines an upstream TCP service to
proxy traffic to.
properties:
name:
description: Name defines the name of the referenced Kubernetes
Service.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Kubernetes Service.
type: string
port:
anyOf:
- type: integer
- type: string
description: Port defines the port of a Kubernetes Service.
This can be a reference to a named port.
x-kubernetes-int-or-string: true
proxyProtocol:
description: 'ProxyProtocol defines the PROXY protocol
configuration. More info: https://doc.traefik.io/traefik/v2.8/routing/services/#proxy-protocol'
properties:
version:
description: Version defines the PROXY Protocol version
to use.
type: integer
type: object
terminationDelay:
description: TerminationDelay defines the deadline that
the proxy sets, after one of its connected peers indicates
it has closed the writing capability of its connection,
to close the reading capability as well, hence fully
terminating the connection. It is a duration in milliseconds,
defaulting to 100. A negative value means an infinite
deadline (i.e. the reading capability is never closed).
type: integer
weight:
description: Weight defines the weight used when balancing
requests between multiple Kubernetes Service.
type: integer
required:
- name
- port
type: object
type: array
required:
- match
type: object
type: array
tls:
description: 'TLS defines the TLS configuration on a layer 4 / TCP
Route. More info: https://doc.traefik.io/traefik/v2.8/routing/routers/#tls_1'
properties:
certResolver:
description: 'CertResolver defines the name of the certificate
resolver to use. Cert resolvers have to be configured in the
static configuration. More info: https://doc.traefik.io/traefik/v2.8/https/acme/#certificate-resolvers'
type: string
domains:
description: 'Domains defines the list of domains that will be
used to issue certificates. More info: https://doc.traefik.io/traefik/v2.8/routing/routers/#domains'
items:
description: Domain holds a domain name with SANs.
properties:
main:
description: Main defines the main domain name.
type: string
sans:
description: SANs defines the subject alternative domain
names.
items:
type: string
type: array
type: object
type: array
options:
description: 'Options defines the reference to a TLSOption, that
specifies the parameters of the TLS connection. If not defined,
the `default` TLSOption is used. More info: https://doc.traefik.io/traefik/v2.8/https/tls/#tls-options'
properties:
name:
description: Name defines the name of the referenced Traefik
resource.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Traefik resource.
type: string
required:
- name
type: object
passthrough:
description: Passthrough defines whether a TLS router will terminate
the TLS connection.
type: boolean
secretName:
description: SecretName is the name of the referenced Kubernetes
Secret to specify the certificate details.
type: string
store:
description: Store defines the reference to the TLSStore, that
will be used to store certificates. Please note that only `default`
TLSStore can be used.
properties:
name:
description: Name defines the name of the referenced Traefik
resource.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Traefik resource.
type: string
required:
- name
type: object
type: object
required:
- routes
type: object
required:
- metadata
- spec
type: object
served: true
storage: true
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []

---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.6.2
creationTimestamp: null
name: ingressrouteudps.traefik.containo.us
spec:
group: traefik.containo.us
names:
kind: IngressRouteUDP
listKind: IngressRouteUDPList
plural: ingressrouteudps
singular: ingressrouteudp
scope: Namespaced
versions:
- name: v1alpha1
schema:
openAPIV3Schema:
description: IngressRouteUDP is a CRD implementation of a Traefik UDP Router.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: IngressRouteUDPSpec defines the desired state of a IngressRouteUDP.
properties:
entryPoints:
description: 'EntryPoints defines the list of entry point names to
bind to. Entry points have to be configured in the static configuration.
More info: https://doc.traefik.io/traefik/v2.8/routing/entrypoints/
Default: all.'
items:
type: string
type: array
routes:
description: Routes defines the list of routes.
items:
description: RouteUDP holds the UDP route configuration.
properties:
services:
description: Services defines the list of UDP services.
items:
description: ServiceUDP defines an upstream UDP service to
proxy traffic to.
properties:
name:
description: Name defines the name of the referenced Kubernetes
Service.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Kubernetes Service.
type: string
port:
anyOf:
- type: integer
- type: string
description: Port defines the port of a Kubernetes Service.
This can be a reference to a named port.
x-kubernetes-int-or-string: true
weight:
description: Weight defines the weight used when balancing
requests between multiple Kubernetes Service.
type: integer
required:
- name
- port
type: object
type: array
type: object
type: array
required:
- routes
type: object
required:
- metadata
- spec
type: object
served: true
storage: true
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []

---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.6.2
creationTimestamp: null
name: middlewares.traefik.containo.us
spec:
group: traefik.containo.us
names:
kind: Middleware
listKind: MiddlewareList
plural: middlewares
singular: middleware
scope: Namespaced
versions:
- name: v1alpha1
schema:
openAPIV3Schema:
description: 'Middleware is the CRD implementation of a Traefik Middleware.
More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/overview/'
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: MiddlewareSpec defines the desired state of a Middleware.
properties:
addPrefix:
description: 'AddPrefix holds the add prefix middleware configuration.
This middleware updates the path of a request before forwarding
it. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/addprefix/'
properties:
prefix:
description: Prefix is the string to add before the current path
in the requested URL. It should include a leading slash (/).
type: string
type: object
basicAuth:
description: 'BasicAuth holds the basic auth middleware configuration.
This middleware restricts access to your services to known users.
More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/basicauth/'
properties:
headerField:
description: 'HeaderField defines a header field to store the
authenticated user. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/basicauth/#headerfield'
type: string
realm:
description: 'Realm allows the protected resources on a server
to be partitioned into a set of protection spaces, each with
its own authentication scheme. Default: traefik.'
type: string
removeHeader:
description: 'RemoveHeader sets the removeHeader option to true
to remove the authorization header before forwarding the request
to your service. Default: false.'
type: boolean
secret:
description: Secret is the name of the referenced Kubernetes Secret
containing user credentials.
type: string
type: object
buffering:
description: 'Buffering holds the buffering middleware configuration.
This middleware retries or limits the size of requests that can
be forwarded to backends. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/buffering/#maxrequestbodybytes'
properties:
maxRequestBodyBytes:
description: 'MaxRequestBodyBytes defines the maximum allowed
body size for the request (in bytes). If the request exceeds
the allowed size, it is not forwarded to the service, and the
client gets a 413 (Request Entity Too Large) response. Default:
0 (no maximum).'
format: int64
type: integer
maxResponseBodyBytes:
description: 'MaxResponseBodyBytes defines the maximum allowed
response size from the service (in bytes). If the response exceeds
the allowed size, it is not forwarded to the client. The client
gets a 500 (Internal Server Error) response instead. Default:
0 (no maximum).'
format: int64
type: integer
memRequestBodyBytes:
description: 'MemRequestBodyBytes defines the threshold (in bytes)
from which the request will be buffered on disk instead of in
memory. Default: 1048576 (1Mi).'
format: int64
type: integer
memResponseBodyBytes:
description: 'MemResponseBodyBytes defines the threshold (in bytes)
from which the response will be buffered on disk instead of
in memory. Default: 1048576 (1Mi).'
format: int64
type: integer
retryExpression:
description: 'RetryExpression defines the retry conditions. It
is a logical combination of functions with operators AND (&&)
and OR (||). More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/buffering/#retryexpression'
type: string
type: object
chain:
description: 'Chain holds the configuration of the chain middleware.
This middleware enables to define reusable combinations of other
pieces of middleware. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/chain/'
properties:
middlewares:
description: Middlewares is the list of MiddlewareRef which composes
the chain.
items:
description: MiddlewareRef is a reference to a Middleware resource.
properties:
name:
description: Name defines the name of the referenced Middleware
resource.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Middleware resource.
type: string
required:
- name
type: object
type: array
type: object
circuitBreaker:
description: CircuitBreaker holds the circuit breaker configuration.
properties:
checkPeriod:
anyOf:
- type: integer
- type: string
description: CheckPeriod is the interval between successive checks
of the circuit breaker condition (when in standby state).
x-kubernetes-int-or-string: true
expression:
description: Expression is the condition that triggers the tripped
state.
type: string
fallbackDuration:
anyOf:
- type: integer
- type: string
description: FallbackDuration is the duration for which the circuit
breaker will wait before trying to recover (from a tripped state).
x-kubernetes-int-or-string: true
recoveryDuration:
anyOf:
- type: integer
- type: string
description: RecoveryDuration is the duration for which the circuit
breaker will try to recover (as soon as it is in recovering
state).
x-kubernetes-int-or-string: true
type: object
compress:
description: 'Compress holds the compress middleware configuration.
This middleware compresses responses before sending them to the
client, using gzip compression. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/compress/'
properties:
excludedContentTypes:
description: ExcludedContentTypes defines the list of content
types to compare the Content-Type header of the incoming requests
and responses before compressing.
items:
type: string
type: array
minResponseBodyBytes:
description: 'MinResponseBodyBytes defines the minimum amount
of bytes a response body must have to be compressed. Default:
1024.'
type: integer
type: object
contentType:
description: ContentType holds the content-type middleware configuration.
This middleware exists to enable the correct behavior until at least
the default one can be changed in a future version.
properties:
autoDetect:
description: AutoDetect specifies whether to let the `Content-Type`
header, if it has not been set by the backend, be automatically
set to a value derived from the contents of the response. As
a proxy, the default behavior should be to leave the header
alone, regardless of what the backend did with it. However,
the historic default was to always auto-detect and set the header
if it was nil, and it is going to be kept that way in order
to support users currently relying on it.
type: boolean
type: object
digestAuth:
description: 'DigestAuth holds the digest auth middleware configuration.
This middleware restricts access to your services to known users.
More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/digestauth/'
properties:
headerField:
description: 'HeaderField defines a header field to store the
authenticated user. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/basicauth/#headerfield'
type: string
realm:
description: 'Realm allows the protected resources on a server
to be partitioned into a set of protection spaces, each with
its own authentication scheme. Default: traefik.'
type: string
removeHeader:
description: RemoveHeader defines whether to remove the authorization
header before forwarding the request to the backend.
type: boolean
secret:
description: Secret is the name of the referenced Kubernetes Secret
containing user credentials.
type: string
type: object
errors:
description: 'ErrorPage holds the custom error middleware configuration.
This middleware returns a custom page in lieu of the default, according
to configured ranges of HTTP Status codes. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/errorpages/'
properties:
query:
description: Query defines the URL for the error page (hosted
by service). The {status} variable can be used in order to insert
the status code in the URL.
type: string
service:
description: 'Service defines the reference to a Kubernetes Service
that will serve the error page. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/errorpages/#service'
properties:
kind:
description: Kind defines the kind of the Service.
enum:
- Service
- TraefikService
type: string
name:
description: Name defines the name of the referenced Kubernetes
Service or TraefikService. The differentiation between the
two is specified in the Kind field.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Kubernetes Service or TraefikService.
type: string
passHostHeader:
description: PassHostHeader defines whether the client Host
header is forwarded to the upstream Kubernetes Service.
By default, passHostHeader is true.
type: boolean
port:
anyOf:
- type: integer
- type: string
description: Port defines the port of a Kubernetes Service.
This can be a reference to a named port.
x-kubernetes-int-or-string: true
responseForwarding:
description: ResponseForwarding defines how Traefik forwards
the response from the upstream Kubernetes Service to the
client.
properties:
flushInterval:
description: 'FlushInterval defines the interval, in milliseconds,
in between flushes to the client while copying the response
body. A negative value means to flush immediately after
each write to the client. This configuration is ignored
when ReverseProxy recognizes a response as a streaming
response; for such responses, writes are flushed to
the client immediately. Default: 100ms'
type: string
type: object
scheme:
description: Scheme defines the scheme to use for the request
to the upstream Kubernetes Service. It defaults to https
when Kubernetes Service port is 443, http otherwise.
type: string
serversTransport:
description: ServersTransport defines the name of ServersTransport
resource to use. It allows to configure the transport between
Traefik and your servers. Can only be used on a Kubernetes
Service.
type: string
sticky:
description: 'Sticky defines the sticky sessions configuration.
More info: https://doc.traefik.io/traefik/v2.8/routing/services/#sticky-sessions'
properties:
cookie:
description: Cookie defines the sticky cookie configuration.
properties:
httpOnly:
description: HTTPOnly defines whether the cookie can
be accessed by client-side APIs, such as JavaScript.
type: boolean
name:
description: Name defines the Cookie name.
type: string
sameSite:
description: 'SameSite defines the same site policy.
More info: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite'
type: string
secure:
description: Secure defines whether the cookie can
only be transmitted over an encrypted connection
(i.e. HTTPS).
type: boolean
type: object
type: object
strategy:
description: Strategy defines the load balancing strategy
between the servers. RoundRobin is the only supported value
at the moment.
type: string
weight:
description: Weight defines the weight and should only be
specified when Name references a TraefikService object (and
to be precise, one that embeds a Weighted Round Robin).
type: integer
required:
- name
type: object
status:
description: Status defines which status or range of statuses
should result in an error page. It can be either a status code
as a number (500), as multiple comma-separated numbers (500,502),
as ranges by separating two codes with a dash (500-599), or
a combination of the two (404,418,500-599).
items:
type: string
type: array
type: object
forwardAuth:
description: 'ForwardAuth holds the forward auth middleware configuration.
This middleware delegates the request authentication to a Service.
More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/forwardauth/'
properties:
address:
description: Address defines the authentication server address.
type: string
authRequestHeaders:
description: AuthRequestHeaders defines the list of the headers
to copy from the request to the authentication server. If not
set or empty then all request headers are passed.
items:
type: string
type: array
authResponseHeaders:
description: AuthResponseHeaders defines the list of headers to
copy from the authentication server response and set on forwarded
request, replacing any existing conflicting headers.
items:
type: string
type: array
authResponseHeadersRegex:
description: 'AuthResponseHeadersRegex defines the regex to match
headers to copy from the authentication server response and
set on forwarded request, after stripping all headers that match
the regex. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/forwardauth/#authresponseheadersregex'
type: string
tls:
description: TLS defines the configuration used to secure the
connection to the authentication server.
properties:
caOptional:
type: boolean
caSecret:
description: CASecret is the name of the referenced Kubernetes
Secret containing the CA to validate the server certificate.
The CA certificate is extracted from key `tls.ca` or `ca.crt`.
type: string
certSecret:
description: CertSecret is the name of the referenced Kubernetes
Secret containing the client certificate. The client certificate
is extracted from the keys `tls.crt` and `tls.key`.
type: string
insecureSkipVerify:
description: InsecureSkipVerify defines whether the server
certificates should be validated.
type: boolean
type: object
trustForwardHeader:
description: 'TrustForwardHeader defines whether to trust (ie:
forward) all X-Forwarded-* headers.'
type: boolean
type: object
headers:
description: 'Headers holds the headers middleware configuration.
This middleware manages the requests and responses headers. More
info: https://doc.traefik.io/traefik/v2.8/middlewares/http/headers/#customrequestheaders'
properties:
accessControlAllowCredentials:
description: AccessControlAllowCredentials defines whether the
request can include user credentials.
type: boolean
accessControlAllowHeaders:
description: AccessControlAllowHeaders defines the Access-Control-Request-Headers
values sent in preflight response.
items:
type: string
type: array
accessControlAllowMethods:
description: AccessControlAllowMethods defines the Access-Control-Request-Method
values sent in preflight response.
items:
type: string
type: array
accessControlAllowOriginList:
description: AccessControlAllowOriginList is a list of allowable
origins. Can also be a wildcard origin "*".
items:
type: string
type: array
accessControlAllowOriginListRegex:
description: AccessControlAllowOriginListRegex is a list of allowable
origins written following the Regular Expression syntax (https://golang.org/pkg/regexp/).
items:
type: string
type: array
accessControlExposeHeaders:
description: AccessControlExposeHeaders defines the Access-Control-Expose-Headers
values sent in preflight response.
items:
type: string
type: array
accessControlMaxAge:
description: AccessControlMaxAge defines the time that a preflight
request may be cached.
format: int64
type: integer
addVaryHeader:
description: AddVaryHeader defines whether the Vary header is
automatically added/updated when the AccessControlAllowOriginList
is set.
type: boolean
allowedHosts:
description: AllowedHosts defines the fully qualified list of
allowed domain names.
items:
type: string
type: array
browserXssFilter:
description: BrowserXSSFilter defines whether to add the X-XSS-Protection
header with the value 1; mode=block.
type: boolean
contentSecurityPolicy:
description: ContentSecurityPolicy defines the Content-Security-Policy
header value.
type: string
contentTypeNosniff:
description: ContentTypeNosniff defines whether to add the X-Content-Type-Options
header with the nosniff value.
type: boolean
customBrowserXSSValue:
description: CustomBrowserXSSValue defines the X-XSS-Protection
header value. This overrides the BrowserXssFilter option.
type: string
customFrameOptionsValue:
description: CustomFrameOptionsValue defines the X-Frame-Options
header value. This overrides the FrameDeny option.
type: string
customRequestHeaders:
additionalProperties:
type: string
description: CustomRequestHeaders defines the header names and
values to apply to the request.
type: object
customResponseHeaders:
additionalProperties:
type: string
description: CustomResponseHeaders defines the header names and
values to apply to the response.
type: object
featurePolicy:
description: 'Deprecated: use PermissionsPolicy instead.'
type: string
forceSTSHeader:
description: ForceSTSHeader defines whether to add the STS header
even when the connection is HTTP.
type: boolean
frameDeny:
description: FrameDeny defines whether to add the X-Frame-Options
header with the DENY value.
type: boolean
hostsProxyHeaders:
description: HostsProxyHeaders defines the header keys that may
hold a proxied hostname value for the request.
items:
type: string
type: array
isDevelopment:
description: IsDevelopment defines whether to mitigate the unwanted
effects of the AllowedHosts, SSL, and STS options when developing.
Usually testing takes place using HTTP, not HTTPS, and on localhost,
not your production domain. If you would like your development
environment to mimic production with complete Host blocking,
SSL redirects, and STS headers, leave this as false.
type: boolean
permissionsPolicy:
description: PermissionsPolicy defines the Permissions-Policy
header value. This allows sites to control browser features.
type: string
publicKey:
description: PublicKey is the public key that implements HPKP
to prevent MITM attacks with forged certificates.
type: string
referrerPolicy:
description: ReferrerPolicy defines the Referrer-Policy header
value. This allows sites to control whether browsers forward
the Referer header to other sites.
type: string
sslForceHost:
description: 'Deprecated: use RedirectRegex instead.'
type: boolean
sslHost:
description: 'Deprecated: use RedirectRegex instead.'
type: string
sslProxyHeaders:
additionalProperties:
type: string
description: 'SSLProxyHeaders defines the header keys with associated
values that would indicate a valid HTTPS request. It can be
useful when using other proxies (example: "X-Forwarded-Proto":
"https").'
type: object
sslRedirect:
description: 'Deprecated: use EntryPoint redirection or RedirectScheme
instead.'
type: boolean
sslTemporaryRedirect:
description: 'Deprecated: use EntryPoint redirection or RedirectScheme
instead.'
type: boolean
stsIncludeSubdomains:
description: STSIncludeSubdomains defines whether the includeSubDomains
directive is appended to the Strict-Transport-Security header.
type: boolean
stsPreload:
description: STSPreload defines whether the preload flag is appended
to the Strict-Transport-Security header.
type: boolean
stsSeconds:
description: STSSeconds defines the max-age of the Strict-Transport-Security
header. If set to 0, the header is not set.
format: int64
type: integer
type: object
inFlightReq:
description: 'InFlightReq holds the in-flight request middleware configuration.
This middleware limits the number of requests being processed and
served concurrently. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/inflightreq/'
properties:
amount:
description: Amount defines the maximum amount of allowed simultaneous
in-flight request. The middleware responds with HTTP 429 Too
Many Requests if there are already amount requests in progress
(based on the same sourceCriterion strategy).
format: int64
type: integer
sourceCriterion:
description: 'SourceCriterion defines what criterion is used to
group requests as originating from a common source. If several
strategies are defined at the same time, an error will be raised.
If none are set, the default is to use the requestHost. More
info: https://doc.traefik.io/traefik/v2.8/middlewares/http/inflightreq/#sourcecriterion'
properties:
ipStrategy:
description: 'IPStrategy holds the IP strategy configuration
used by Traefik to determine the client IP. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/ipwhitelist/#ipstrategy'
properties:
depth:
description: Depth tells Traefik to use the X-Forwarded-For
header and take the IP located at the depth position
(starting from the right).
type: integer
excludedIPs:
description: ExcludedIPs configures Traefik to scan the
X-Forwarded-For header and select the first IP not in
the list.
items:
type: string
type: array
type: object
requestHeaderName:
description: RequestHeaderName defines the name of the header
used to group incoming requests.
type: string
requestHost:
description: RequestHost defines whether to consider the request
Host as the source.
type: boolean
type: object
type: object
ipWhiteList:
description: 'IPWhiteList holds the IP whitelist middleware configuration.
This middleware accepts / refuses requests based on the client IP.
More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/ipwhitelist/'
properties:
ipStrategy:
description: 'IPStrategy holds the IP strategy configuration used
by Traefik to determine the client IP. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/ipwhitelist/#ipstrategy'
properties:
depth:
description: Depth tells Traefik to use the X-Forwarded-For
header and take the IP located at the depth position (starting
from the right).
type: integer
excludedIPs:
description: ExcludedIPs configures Traefik to scan the X-Forwarded-For
header and select the first IP not in the list.
items:
type: string
type: array
type: object
sourceRange:
description: SourceRange defines the set of allowed IPs (or ranges
of allowed IPs by using CIDR notation).
items:
type: string
type: array
type: object
passTLSClientCert:
description: 'PassTLSClientCert holds the pass TLS client cert middleware
configuration. This middleware adds the selected data from the passed
client TLS certificate to a header. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/passtlsclientcert/'
properties:
info:
description: Info selects the specific client certificate details
you want to add to the X-Forwarded-Tls-Client-Cert-Info header.
properties:
issuer:
description: Issuer defines the client certificate issuer
details to add to the X-Forwarded-Tls-Client-Cert-Info header.
properties:
commonName:
description: CommonName defines whether to add the organizationalUnit
information into the issuer.
type: boolean
country:
description: Country defines whether to add the country
information into the issuer.
type: boolean
domainComponent:
description: DomainComponent defines whether to add the
domainComponent information into the issuer.
type: boolean
locality:
description: Locality defines whether to add the locality
information into the issuer.
type: boolean
organization:
description: Organization defines whether to add the organization
information into the issuer.
type: boolean
province:
description: Province defines whether to add the province
information into the issuer.
type: boolean
serialNumber:
description: SerialNumber defines whether to add the serialNumber
information into the issuer.
type: boolean
type: object
notAfter:
description: NotAfter defines whether to add the Not After
information from the Validity part.
type: boolean
notBefore:
description: NotBefore defines whether to add the Not Before
information from the Validity part.
type: boolean
sans:
description: Sans defines whether to add the Subject Alternative
Name information from the Subject Alternative Name part.
type: boolean
serialNumber:
description: SerialNumber defines whether to add the client
serialNumber information.
type: boolean
subject:
description: Subject defines the client certificate subject
details to add to the X-Forwarded-Tls-Client-Cert-Info header.
properties:
commonName:
description: CommonName defines whether to add the organizationalUnit
information into the subject.
type: boolean
country:
description: Country defines whether to add the country
information into the subject.
type: boolean
domainComponent:
description: DomainComponent defines whether to add the
domainComponent information into the subject.
type: boolean
locality:
description: Locality defines whether to add the locality
information into the subject.
type: boolean
organization:
description: Organization defines whether to add the organization
information into the subject.
type: boolean
organizationalUnit:
description: OrganizationalUnit defines whether to add
the organizationalUnit information into the subject.
type: boolean
province:
description: Province defines whether to add the province
information into the subject.
type: boolean
serialNumber:
description: SerialNumber defines whether to add the serialNumber
information into the subject.
type: boolean
type: object
type: object
pem:
description: PEM sets the X-Forwarded-Tls-Client-Cert header with
the escaped certificate.
type: boolean
type: object
plugin:
additionalProperties:
x-kubernetes-preserve-unknown-fields: true
description: 'Plugin defines the middleware plugin configuration.
More info: https://doc.traefik.io/traefik/plugins/'
type: object
rateLimit:
description: 'RateLimit holds the rate limit configuration. This middleware
ensures that services will receive a fair amount of requests, and
allows one to define what fair is. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/ratelimit/'
properties:
average:
description: Average is the maximum rate, by default in requests/s,
allowed for the given source. It defaults to 0, which means
no rate limiting. The rate is actually defined by dividing Average
by Period. So for a rate below 1req/s, one needs to define a
Period larger than a second.
format: int64
type: integer
burst:
description: Burst is the maximum number of requests allowed to
arrive in the same arbitrarily small period of time. It defaults
to 1.
format: int64
type: integer
period:
anyOf:
- type: integer
- type: string
description: 'Period, in combination with Average, defines the
actual maximum rate, such as: r = Average / Period. It defaults
to a second.'
x-kubernetes-int-or-string: true
sourceCriterion:
description: SourceCriterion defines what criterion is used to
group requests as originating from a common source. If several
strategies are defined at the same time, an error will be raised.
If none are set, the default is to use the request's remote
address field (as an ipStrategy).
properties:
ipStrategy:
description: 'IPStrategy holds the IP strategy configuration
used by Traefik to determine the client IP. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/ipwhitelist/#ipstrategy'
properties:
depth:
description: Depth tells Traefik to use the X-Forwarded-For
header and take the IP located at the depth position
(starting from the right).
type: integer
excludedIPs:
description: ExcludedIPs configures Traefik to scan the
X-Forwarded-For header and select the first IP not in
the list.
items:
type: string
type: array
type: object
requestHeaderName:
description: RequestHeaderName defines the name of the header
used to group incoming requests.
type: string
requestHost:
description: RequestHost defines whether to consider the request
Host as the source.
type: boolean
type: object
type: object
redirectRegex:
description: 'RedirectRegex holds the redirect regex middleware configuration.
This middleware redirects a request using regex matching and replacement.
More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/redirectregex/#regex'
properties:
permanent:
description: Permanent defines whether the redirection is permanent
(301).
type: boolean
regex:
description: Regex defines the regex used to match and capture
elements from the request URL.
type: string
replacement:
description: Replacement defines how to modify the URL to have
the new target URL.
type: string
type: object
redirectScheme:
description: 'RedirectScheme holds the redirect scheme middleware
configuration. This middleware redirects requests from a scheme/port
to another. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/redirectscheme/'
properties:
permanent:
description: Permanent defines whether the redirection is permanent
(301).
type: boolean
port:
description: Port defines the port of the new URL.
type: string
scheme:
description: Scheme defines the scheme of the new URL.
type: string
type: object
replacePath:
description: 'ReplacePath holds the replace path middleware configuration.
This middleware replaces the path of the request URL and store the
original path in an X-Replaced-Path header. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/replacepath/'
properties:
path:
description: Path defines the path to use as replacement in the
request URL.
type: string
type: object
replacePathRegex:
description: 'ReplacePathRegex holds the replace path regex middleware
configuration. This middleware replaces the path of a URL using
regex matching and replacement. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/replacepathregex/'
properties:
regex:
description: Regex defines the regular expression used to match
and capture the path from the request URL.
type: string
replacement:
description: Replacement defines the replacement path format,
which can include captured variables.
type: string
type: object
retry:
description: 'Retry holds the retry middleware configuration. This
middleware reissues requests a given number of times to a backend
server if that server does not reply. As soon as the server answers,
the middleware stops retrying, regardless of the response status.
More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/retry/'
properties:
attempts:
description: Attempts defines how many times the request should
be retried.
type: integer
initialInterval:
anyOf:
- type: integer
- type: string
description: InitialInterval defines the first wait time in the
exponential backoff series. The maximum interval is calculated
as twice the initialInterval. If unspecified, requests will
be retried immediately. The value of initialInterval should
be provided in seconds or as a valid duration format, see https://pkg.go.dev/time#ParseDuration.
x-kubernetes-int-or-string: true
type: object
stripPrefix:
description: 'StripPrefix holds the strip prefix middleware configuration.
This middleware removes the specified prefixes from the URL path.
More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/stripprefix/'
properties:
forceSlash:
description: 'ForceSlash ensures that the resulting stripped path
is not the empty string, by replacing it with / when necessary.
Default: true.'
type: boolean
prefixes:
description: Prefixes defines the prefixes to strip from the request
URL.
items:
type: string
type: array
type: object
stripPrefixRegex:
description: 'StripPrefixRegex holds the strip prefix regex middleware
configuration. This middleware removes the matching prefixes from
the URL path. More info: https://doc.traefik.io/traefik/v2.8/middlewares/http/stripprefixregex/'
properties:
regex:
description: Regex defines the regular expression to match the
path prefix from the request URL.
items:
type: string
type: array
type: object
type: object
required:
- metadata
- spec
type: object
served: true
storage: true
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []

---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.6.2
creationTimestamp: null
name: middlewaretcps.traefik.containo.us
spec:
group: traefik.containo.us
names:
kind: MiddlewareTCP
listKind: MiddlewareTCPList
plural: middlewaretcps
singular: middlewaretcp
scope: Namespaced
versions:
- name: v1alpha1
schema:
openAPIV3Schema:
description: 'MiddlewareTCP is the CRD implementation of a Traefik TCP middleware.
More info: https://doc.traefik.io/traefik/v2.8/middlewares/overview/'
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: MiddlewareTCPSpec defines the desired state of a MiddlewareTCP.
properties:
inFlightConn:
description: InFlightConn defines the InFlightConn middleware configuration.
properties:
amount:
description: Amount defines the maximum amount of allowed simultaneous
connections. The middleware closes the connection if there are
already amount connections opened.
format: int64
type: integer
type: object
ipWhiteList:
description: IPWhiteList defines the IPWhiteList middleware configuration.
properties:
sourceRange:
description: SourceRange defines the allowed IPs (or ranges of
allowed IPs by using CIDR notation).
items:
type: string
type: array
type: object
type: object
required:
- metadata
- spec
type: object
served: true
storage: true
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []

---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.6.2
creationTimestamp: null
name: serverstransports.traefik.containo.us
spec:
group: traefik.containo.us
names:
kind: ServersTransport
listKind: ServersTransportList
plural: serverstransports
singular: serverstransport
scope: Namespaced
versions:
- name: v1alpha1
schema:
openAPIV3Schema:
description: 'ServersTransport is the CRD implementation of a ServersTransport.
If no serversTransport is specified, the default@internal will be used.
The default@internal serversTransport is created from the static configuration.
More info: https://doc.traefik.io/traefik/v2.8/routing/services/#serverstransport_1'
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: ServersTransportSpec defines the desired state of a ServersTransport.
properties:
certificatesSecrets:
description: CertificatesSecrets defines a list of secret storing
client certificates for mTLS.
items:
type: string
type: array
disableHTTP2:
description: DisableHTTP2 disables HTTP/2 for connections with backend
servers.
type: boolean
forwardingTimeouts:
description: ForwardingTimeouts defines the timeouts for requests
forwarded to the backend servers.
properties:
dialTimeout:
anyOf:
- type: integer
- type: string
description: DialTimeout is the amount of time to wait until a
connection to a backend server can be established.
x-kubernetes-int-or-string: true
idleConnTimeout:
anyOf:
- type: integer
- type: string
description: IdleConnTimeout is the maximum period for which an
idle HTTP keep-alive connection will remain open before closing
itself.
x-kubernetes-int-or-string: true
pingTimeout:
anyOf:
- type: integer
- type: string
description: PingTimeout is the timeout after which the HTTP/2
connection will be closed if a response to ping is not received.
x-kubernetes-int-or-string: true
readIdleTimeout:
anyOf:
- type: integer
- type: string
description: ReadIdleTimeout is the timeout after which a health
check using ping frame will be carried out if no frame is received
on the HTTP/2 connection.
x-kubernetes-int-or-string: true
responseHeaderTimeout:
anyOf:
- type: integer
- type: string
description: ResponseHeaderTimeout is the amount of time to wait
for a server's response headers after fully writing the request
(including its body, if any).
x-kubernetes-int-or-string: true
type: object
insecureSkipVerify:
description: InsecureSkipVerify disables SSL certificate verification.
type: boolean
maxIdleConnsPerHost:
description: MaxIdleConnsPerHost controls the maximum idle (keep-alive)
to keep per-host.
type: integer
peerCertURI:
description: PeerCertURI defines the peer cert URI used to match against
SAN URI during the peer certificate verification.
type: string
rootCAsSecrets:
description: RootCAsSecrets defines a list of CA secret used to validate
self-signed certificate.
items:
type: string
type: array
serverName:
description: ServerName defines the server name used to contact the
server.
type: string
type: object
required:
- metadata
- spec
type: object
served: true
storage: true
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []

---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.6.2
creationTimestamp: null
name: tlsoptions.traefik.containo.us
spec:
group: traefik.containo.us
names:
kind: TLSOption
listKind: TLSOptionList
plural: tlsoptions
singular: tlsoption
scope: Namespaced
versions:
- name: v1alpha1
schema:
openAPIV3Schema:
description: 'TLSOption is the CRD implementation of a Traefik TLS Option,
allowing to configure some parameters of the TLS connection. More info:
https://doc.traefik.io/traefik/v2.8/https/tls/#tls-options'
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: TLSOptionSpec defines the desired state of a TLSOption.
properties:
alpnProtocols:
description: 'ALPNProtocols defines the list of supported application
level protocols for the TLS handshake, in order of preference. More
info: https://doc.traefik.io/traefik/v2.8/https/tls/#alpn-protocols'
items:
type: string
type: array
cipherSuites:
description: 'CipherSuites defines the list of supported cipher suites
for TLS versions up to TLS 1.2. More info: https://doc.traefik.io/traefik/v2.8/https/tls/#cipher-suites'
items:
type: string
type: array
clientAuth:
description: ClientAuth defines the server's policy for TLS Client
Authentication.
properties:
clientAuthType:
description: ClientAuthType defines the client authentication
type to apply.
enum:
- NoClientCert
- RequestClientCert
- RequireAnyClientCert
- VerifyClientCertIfGiven
- RequireAndVerifyClientCert
type: string
secretNames:
description: SecretNames defines the names of the referenced Kubernetes
Secret storing certificate details.
items:
type: string
type: array
type: object
curvePreferences:
description: 'CurvePreferences defines the preferred elliptic curves
in a specific order. More info: https://doc.traefik.io/traefik/v2.8/https/tls/#curve-preferences'
items:
type: string
type: array
maxVersion:
description: 'MaxVersion defines the maximum TLS version that Traefik
will accept. Possible values: VersionTLS10, VersionTLS11, VersionTLS12,
VersionTLS13. Default: None.'
type: string
minVersion:
description: 'MinVersion defines the minimum TLS version that Traefik
will accept. Possible values: VersionTLS10, VersionTLS11, VersionTLS12,
VersionTLS13. Default: VersionTLS10.'
type: string
preferServerCipherSuites:
description: 'PreferServerCipherSuites defines whether the server
chooses a cipher suite among his own instead of among the client''s.
It is enabled automatically when minVersion or maxVersion is set.
Deprecated: https://github.com/golang/go/issues/45430'
type: boolean
sniStrict:
description: SniStrict defines whether Traefik allows connections
from clients connections that do not specify a server_name extension.
type: boolean
type: object
required:
- metadata
- spec
type: object
served: true
storage: true
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []

---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.6.2
creationTimestamp: null
name: tlsstores.traefik.containo.us
spec:
group: traefik.containo.us
names:
kind: TLSStore
listKind: TLSStoreList
plural: tlsstores
singular: tlsstore
scope: Namespaced
versions:
- name: v1alpha1
schema:
openAPIV3Schema:
description: 'TLSStore is the CRD implementation of a Traefik TLS Store. For
the time being, only the TLSStore named default is supported. This means
that you cannot have two stores that are named default in different Kubernetes
namespaces. More info: https://doc.traefik.io/traefik/v2.8/https/tls/#certificates-stores'
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: TLSStoreSpec defines the desired state of a TLSStore.
properties:
certificates:
description: Certificates is a list of secret names, each secret holding
a key/certificate pair to add to the store.
items:
description: Certificate holds a secret name for the TLSStore resource.
properties:
secretName:
description: SecretName is the name of the referenced Kubernetes
Secret to specify the certificate details.
type: string
required:
- secretName
type: object
type: array
defaultCertificate:
description: DefaultCertificate defines the default certificate configuration.
properties:
secretName:
description: SecretName is the name of the referenced Kubernetes
Secret to specify the certificate details.
type: string
required:
- secretName
type: object
type: object
required:
- metadata
- spec
type: object
served: true
storage: true
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []

---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.6.2
creationTimestamp: null
name: traefikservices.traefik.containo.us
spec:
group: traefik.containo.us
names:
kind: TraefikService
listKind: TraefikServiceList
plural: traefikservices
singular: traefikservice
scope: Namespaced
versions:
- name: v1alpha1
schema:
openAPIV3Schema:
description: 'TraefikService is the CRD implementation of a Traefik Service.
TraefikService object allows to: - Apply weight to Services on load-balancing
- Mirror traffic on services More info: https://doc.traefik.io/traefik/v2.8/routing/providers/kubernetes-crd/#kind-traefikservice'
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: TraefikServiceSpec defines the desired state of a TraefikService.
properties:
mirroring:
description: Mirroring defines the Mirroring service configuration.
properties:
kind:
description: Kind defines the kind of the Service.
enum:
- Service
- TraefikService
type: string
maxBodySize:
description: MaxBodySize defines the maximum size allowed for
the body of the request. If the body is larger, the request
is not mirrored. Default value is -1, which means unlimited
size.
format: int64
type: integer
mirrors:
description: Mirrors defines the list of mirrors where Traefik
will duplicate the traffic.
items:
description: MirrorService holds the mirror configuration.
properties:
kind:
description: Kind defines the kind of the Service.
enum:
- Service
- TraefikService
type: string
name:
description: Name defines the name of the referenced Kubernetes
Service or TraefikService. The differentiation between
the two is specified in the Kind field.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Kubernetes Service or TraefikService.
type: string
passHostHeader:
description: PassHostHeader defines whether the client Host
header is forwarded to the upstream Kubernetes Service.
By default, passHostHeader is true.
type: boolean
percent:
description: 'Percent defines the part of the traffic to
mirror. Supported values: 0 to 100.'
type: integer
port:
anyOf:
- type: integer
- type: string
description: Port defines the port of a Kubernetes Service.
This can be a reference to a named port.
x-kubernetes-int-or-string: true
responseForwarding:
description: ResponseForwarding defines how Traefik forwards
the response from the upstream Kubernetes Service to the
client.
properties:
flushInterval:
description: 'FlushInterval defines the interval, in
milliseconds, in between flushes to the client while
copying the response body. A negative value means
to flush immediately after each write to the client.
This configuration is ignored when ReverseProxy recognizes
a response as a streaming response; for such responses,
writes are flushed to the client immediately. Default:
100ms'
type: string
type: object
scheme:
description: Scheme defines the scheme to use for the request
to the upstream Kubernetes Service. It defaults to https
when Kubernetes Service port is 443, http otherwise.
type: string
serversTransport:
description: ServersTransport defines the name of ServersTransport
resource to use. It allows to configure the transport
between Traefik and your servers. Can only be used on
a Kubernetes Service.
type: string
sticky:
description: 'Sticky defines the sticky sessions configuration.
More info: https://doc.traefik.io/traefik/v2.8/routing/services/#sticky-sessions'
properties:
cookie:
description: Cookie defines the sticky cookie configuration.
properties:
httpOnly:
description: HTTPOnly defines whether the cookie
can be accessed by client-side APIs, such as JavaScript.
type: boolean
name:
description: Name defines the Cookie name.
type: string
sameSite:
description: 'SameSite defines the same site policy.
More info: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite'
type: string
secure:
description: Secure defines whether the cookie can
only be transmitted over an encrypted connection
(i.e. HTTPS).
type: boolean
type: object
type: object
strategy:
description: Strategy defines the load balancing strategy
between the servers. RoundRobin is the only supported
value at the moment.
type: string
weight:
description: Weight defines the weight and should only be
specified when Name references a TraefikService object
(and to be precise, one that embeds a Weighted Round Robin).
type: integer
required:
- name
type: object
type: array
name:
description: Name defines the name of the referenced Kubernetes
Service or TraefikService. The differentiation between the two
is specified in the Kind field.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Kubernetes Service or TraefikService.
type: string
passHostHeader:
description: PassHostHeader defines whether the client Host header
is forwarded to the upstream Kubernetes Service. By default,
passHostHeader is true.
type: boolean
port:
anyOf:
- type: integer
- type: string
description: Port defines the port of a Kubernetes Service. This
can be a reference to a named port.
x-kubernetes-int-or-string: true
responseForwarding:
description: ResponseForwarding defines how Traefik forwards the
response from the upstream Kubernetes Service to the client.
properties:
flushInterval:
description: 'FlushInterval defines the interval, in milliseconds,
in between flushes to the client while copying the response
body. A negative value means to flush immediately after
each write to the client. This configuration is ignored
when ReverseProxy recognizes a response as a streaming response;
for such responses, writes are flushed to the client immediately.
Default: 100ms'
type: string
type: object
scheme:
description: Scheme defines the scheme to use for the request
to the upstream Kubernetes Service. It defaults to https when
Kubernetes Service port is 443, http otherwise.
type: string
serversTransport:
description: ServersTransport defines the name of ServersTransport
resource to use. It allows to configure the transport between
Traefik and your servers. Can only be used on a Kubernetes Service.
type: string
sticky:
description: 'Sticky defines the sticky sessions configuration.
More info: https://doc.traefik.io/traefik/v2.8/routing/services/#sticky-sessions'
properties:
cookie:
description: Cookie defines the sticky cookie configuration.
properties:
httpOnly:
description: HTTPOnly defines whether the cookie can be
accessed by client-side APIs, such as JavaScript.
type: boolean
name:
description: Name defines the Cookie name.
type: string
sameSite:
description: 'SameSite defines the same site policy. More
info: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite'
type: string
secure:
description: Secure defines whether the cookie can only
be transmitted over an encrypted connection (i.e. HTTPS).
type: boolean
type: object
type: object
strategy:
description: Strategy defines the load balancing strategy between
the servers. RoundRobin is the only supported value at the moment.
type: string
weight:
description: Weight defines the weight and should only be specified
when Name references a TraefikService object (and to be precise,
one that embeds a Weighted Round Robin).
type: integer
required:
- name
type: object
weighted:
description: Weighted defines the Weighted Round Robin configuration.
properties:
services:
description: Services defines the list of Kubernetes Service and/or
TraefikService to load-balance, with weight.
items:
description: Service defines an upstream HTTP service to proxy
traffic to.
properties:
kind:
description: Kind defines the kind of the Service.
enum:
- Service
- TraefikService
type: string
name:
description: Name defines the name of the referenced Kubernetes
Service or TraefikService. The differentiation between
the two is specified in the Kind field.
type: string
namespace:
description: Namespace defines the namespace of the referenced
Kubernetes Service or TraefikService.
type: string
passHostHeader:
description: PassHostHeader defines whether the client Host
header is forwarded to the upstream Kubernetes Service.
By default, passHostHeader is true.
type: boolean
port:
anyOf:
- type: integer
- type: string
description: Port defines the port of a Kubernetes Service.
This can be a reference to a named port.
x-kubernetes-int-or-string: true
responseForwarding:
description: ResponseForwarding defines how Traefik forwards
the response from the upstream Kubernetes Service to the
client.
properties:
flushInterval:
description: 'FlushInterval defines the interval, in
milliseconds, in between flushes to the client while
copying the response body. A negative value means
to flush immediately after each write to the client.
This configuration is ignored when ReverseProxy recognizes
a response as a streaming response; for such responses,
writes are flushed to the client immediately. Default:
100ms'
type: string
type: object
scheme:
description: Scheme defines the scheme to use for the request
to the upstream Kubernetes Service. It defaults to https
when Kubernetes Service port is 443, http otherwise.
type: string
serversTransport:
description: ServersTransport defines the name of ServersTransport
resource to use. It allows to configure the transport
between Traefik and your servers. Can only be used on
a Kubernetes Service.
type: string
sticky:
description: 'Sticky defines the sticky sessions configuration.
More info: https://doc.traefik.io/traefik/v2.8/routing/services/#sticky-sessions'
properties:
cookie:
description: Cookie defines the sticky cookie configuration.
properties:
httpOnly:
description: HTTPOnly defines whether the cookie
can be accessed by client-side APIs, such as JavaScript.
type: boolean
name:
description: Name defines the Cookie name.
type: string
sameSite:
description: 'SameSite defines the same site policy.
More info: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite'
type: string
secure:
description: Secure defines whether the cookie can
only be transmitted over an encrypted connection
(i.e. HTTPS).
type: boolean
type: object
type: object
strategy:
description: Strategy defines the load balancing strategy
between the servers. RoundRobin is the only supported
value at the moment.
type: string
weight:
description: Weight defines the weight and should only be
specified when Name references a TraefikService object
(and to be precise, one that embeds a Weighted Round Robin).
type: integer
required:
- name
type: object
type: array
sticky:
description: 'Sticky defines whether sticky sessions are enabled.
More info: https://doc.traefik.io/traefik/v2.8/routing/providers/kubernetes-crd/#stickiness-and-load-balancing'
properties:
cookie:
description: Cookie defines the sticky cookie configuration.
properties:
httpOnly:
description: HTTPOnly defines whether the cookie can be
accessed by client-side APIs, such as JavaScript.
type: boolean
name:
description: Name defines the Cookie name.
type: string
sameSite:
description: 'SameSite defines the same site policy. More
info: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite'
type: string
secure:
description: Secure defines whether the cookie can only
be transmitted over an encrypted connection (i.e. HTTPS).
type: boolean
type: object
type: object
type: object
type: object
required:
- metadata
- spec
type: object
served: true
storage: true
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []

使用参考:

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apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
name: argocd-server-ingress
namespace: argocd
spec:
entryPoints:
- web
routes:
- kind: Rule
match: Host(`argo.guzal.cc`)
priority: 10
services:
- name: argocd-server
port: 80
- kind: Rule
match: Host(`argo.guzal.cc`) && Headers(`Content-Type`, `application/grpc`)
priority: 11
services:
- name: argocd-server
port: 80
scheme: h2c
tls:
certResolver: default

同时为http和grpc提供支持。

参考

traefik proxy

Real IP and Host Header