我正在尝试按照用户指南(https://docs.traefik.io/user-guide/kubernetes/)在GKE中运行traefik
。
我没有看到仪表板,而是得到了404
。我想RBAC设置存在问题,但我无法解决。
任何帮助将不胜感激。
入口控制器日志显示恒定流量(每秒一个):
E0714 12:19:56.665790 1Reflector.go:205] github.com/containous/traefik/vendor/k8s.io/client-go/informers/factory.go:86: 无法列出* v1.Service:服务被禁止:用户 “系统:serviceaccount:kube系统:traefik-ingress-controller”不能 列出群集范围内的服务:未知用户 “系统:serviceaccount:kube-system:traefik-ingress-controller”
traefik吊舱本身不断涌出:
E0714 12:17:45.108356 1Reflector.go:205] github.com/containous/traefik/vendor/k8s.io/client-go/informers/factory.go:86: 无法列出* v1beta1.Ingress:禁止ingresses.extensions: 用户“ system:serviceaccount:default:default”无法列出 命名空间“ kube-system”中的ingresses.extensions:未知用户 “ system:serviceaccount:default:default”
E0714 12:17:45.708160 1 Reflections.go:205] github.com/containous/traefik/vendor/k8s.io/client-go/informers/factory.go:86: 无法列出* v1.Service:服务被禁止:用户 “ system:serviceaccount:default:default”无法在 名称空间“默认”:未知用户 “ system:serviceaccount:default:default”
E0714 12:17:45.714057 1 Reflections.go:205] github.com/containous/traefik/vendor/k8s.io/client-go/informers/factory.go:86: 无法列出* v1.Endpoints:禁止使用端点:用户 “ system:serviceaccount:default:default”无法在 命名空间“ kube-system”:未知用户 “ system:serviceaccount:default:default”
E0714 12:17:45.714829 1 Reflections.go:205] github.com/containous/traefik/vendor/k8s.io/client-go/informers/factory.go:86: 无法列出* v1beta1.Ingress:禁止ingresses.extensions: 用户“ system:serviceaccount:default:default”无法列出 名称空间“默认”中的ingresses.extensions:未知用户 “ system:serviceaccount:default:default”
E0714 12:17:45.715653 1 Reflections.go:205] github.com/containous/traefik/vendor/k8s.io/client-go/informers/factory.go:86: 无法列出* v1.Endpoints:禁止使用端点:用户 “ system:serviceaccount:default:default”无法在 名称空间“默认”:未知用户 “ system:serviceaccount:default:default”
E0714 12:17:45.716659 1Reflector.go:205] github.com/containous/traefik/vendor/k8s.io/client-go/informers/factory.go:86: 无法列出* v1.Service:服务被禁止:用户 “ system:serviceaccount:default:default”无法在 命名空间“ kube-system”:未知用户 “ system:serviceaccount:default:default”
我使用以下方法创建了簇角色:
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: traefik-ingress-controller
rules:
- apiGroups: [""]
resources: ["servies", "endpoints", "secrets"]
verbs: ["get", "list", "watch"]
- apiGroups: ["extensions"]
resources: ["ingresses"]
verbs: ["get", "list", "watch"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
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: kube-system
,然后将traefik部署为部署:
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: traefik-ingress-controller
namespace: kube-system
---
kind: Deployment
apiVersion: extensions/v1beta1
metadata:
name: traefik-ingress-controller
namespace: kube-system
labels:
k8s-app: traefik-ingress-lb
spec:
replicas: 1
selector:
matchLabels:
k8s-app: traefik-ingress-lb
template:
metadata:
labels:
k8s-app: traefik-ingress-lb
name: traefik-ingress-lb
spec:
serviceAccountName: traefik-ingress-controller
terminationGracePeriodSeconds: 60
containers:
- image: traefik
name: traefik-ingress-lb
ports:
- name: http
containerPort: 80
- name: admin
containerPort: 8080
args:
- --api
- --kubernetes
- --logLevel=INFO
---
kind: Service
apiVersion: v1
metadata:
name: traefik-ingress-service
namespace: kube-system
spec:
selector:
k8s-app: traefik-ingress-lb
ports:
- protocol: TCP
port: 80
name: web
- protocol: TCP
port: 8080
name: admin
type: LoadBalancer
在使用头盔安装traefik时,我使用了以下值文件:
dashboard:
enabled: true
domain: traefik.example.com
kubernetes:
namespaces:
- default
- kube-system
最后,对于UI,我使用了以下yaml:
---
apiVersion: v1
kind: Service
metadata:
name: traefik-web-ui
namespace: kube-system
spec:
selector:
k8s-app: traefik-ingress-lb
ports:
- name: web
port: 80
targetPort: 8080
---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: traefik-web-ui
namespace: kube-system
spec:
rules:
- host: traefik.example.com
http:
paths:
- path: /
backend:
serviceName: traefik-web-ui
servicePort: web
感谢您的光临!
(编辑:标题中的错字)
答案 0 :(得分:2)
由于名称空间“ kube-system”是由主节点处理的,因此您将无法在该特定名称空间上部署任何内容。 GKE内的“主”节点是一项托管服务,目前用户无法访问。
如果您想拥有此功能,那么我目前只能提供的建议是创建自己的custom cluster from scratch。这样一来,您就可以访问主节点,并且可以根据自己的喜好自定义集群。
编辑:我能够从github中找到有关如何将Traefik用作GKE负载平衡器的说明。我建议先在生产集群中运行它之前对其进行测试。
答案 1 :(得分:1)
我认为您的问题是您正在设置名称为“ traefik-ingress-controller”和名称空间为“ kube-system”的ClusterRoleBinding,但是Traefik在默认的名称空间中使用serviceaccount默认运行。
尝试将您的ClusterRoleBinding更改为:
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: traefik-ingress-controller
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: traefik-ingress-controller
subjects:
- kind: ServiceAccount
name: default
namespace: default
或使用服务帐户“ traefik-ingress-controller”和名称空间“ kube-system”部署系统