kubernetes 部署 traefik2.5

Posted 战狐

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kubernetes 部署 traefik2.5

零、前言

本文不涉及Gateway API,因为仍然是实验功能。

traefik 相关基础知识都在之前的文章写了，本文只关注新装2.5版本，以及在不同k8s版本安装的差异性进行备注

一、系统环境

  • Traefik版本： 2.5.6
  • Kubernetes 版本：1.19

二、helm 安装

2.1 系统环境

  • Kubernetes 1.14+
  • Helm 3.x

2.2 安装

添加Traefik chart 仓库

helm repo add traefik https://helm.traefik.io/traefik

更新仓库

helm repo update

使用helm 安装

helm install traefik traefik/traefik

其他个性化配置查看values.yaml

helm安装官方文档


三、手动安装

3.1 创建CRD

这里要注意你的k8s版本，从k8s 1.16开始废弃apiextensions.k8s.io/v1beta1，1.22完全删除。

对于k8s 1.16 以上版本，使用apiextensions.k8s.io/v1

00-traefik-v2.5-crd.yaml

---
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 an Ingress CRD specification.
        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 is a specification for a IngressRouteSpec
              resource.
            properties:
              entryPoints:
                items:
                  type: string
                type: array
              routes:
                items:
                  description: Route contains the set of routes.
                  properties:
                    kind:
                      enum:
                      - Rule
                      type: string
                    match:
                      type: string
                    middlewares:
                      items:
                        description: MiddlewareRef is a ref to the Middleware resources.
                        properties:
                          name:
                            type: string
                          namespace:
                            type: string
                        required:
                        - name
                        type: object
                      type: array
                    priority:
                      type: integer
                    services:
                      items:
                        description: Service defines an upstream to proxy traffic.
                        properties:
                          kind:
                            enum:
                            - Service
                            - TraefikService
                            type: string
                          name:
                            description: Name is a reference to a Kubernetes Service
                              object (for a load-balancer of servers), or to a TraefikService
                              object (service load-balancer, mirroring, etc). The
                              differentiation between the two is specified in the
                              Kind field.
                            type: string
                          namespace:
                            type: string
                          passHostHeader:
                            type: boolean
                          port:
                            anyOf:
                            - type: integer
                            - type: string
                            x-kubernetes-int-or-string: true
                          responseForwarding:
                            description: ResponseForwarding holds configuration for
                              the forward of the response.
                            properties:
                              flushInterval:
                                type: string
                            type: object
                          scheme:
                            type: string
                          serversTransport:
                            type: string
                          sticky:
                            description: Sticky holds the sticky configuration.
                            properties:
                              cookie:
                                description: Cookie holds the sticky configuration
                                  based on cookie.
                                properties:
                                  httpOnly:
                                    type: boolean
                                  name:
                                    type: string
                                  sameSite:
                                    type: string
                                  secure:
                                    type: boolean
                                type: object
                            type: object
                          strategy:
                            type: string
                          weight:
                            description: Weight 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 contains the TLS certificates configuration of the
                  routes. To enable Lets Encrypt, use an empty TLS struct, e.g. in
                  YAML: \\n \\t tls:  # inline format \\n \\t tls: \\t   secretName:
                  # block format"
                properties:
                  certResolver:
                    type: string
                  domains:
                    items:
                      description: Domain holds a domain name with SANs.
                      properties:
                        main:
                          type: string
                        sans:
                          items:
                            type: string
                          type: array
                      type: object
                    type: array
                  options:
                    description: Options is a reference to a TLSOption, that specifies
                      the parameters of the TLS connection.
                    properties:
                      name:
                        type: string
       
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