我目前正在使用基于 rpi 的 k3s 集群,我正在观察一个奇怪的现象。
我部署了两个应用程序。第一个是 nginx,我可以根据以下入口规则在 url http://external-ip/foo上访问它:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: foo
namespace: foo
annotations:
kubernetes.io/ingress.class: traefik
traefik.ingress.kubernetes.io/rule-type: "PathPrefixStrip"
traefik.ingress.kubernetes.io/rewrite-target: "/"
spec:
rules:
- http:
paths:
- path: /foo
backend:
serviceName: foo-service
servicePort: 8081
另一个是 grafana,根据以下入口规则,我无法在 url http://external-ip/grafana上访问它:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: grafana
namespace: grafana
annotations:
kubernetes.io/ingress.class: traefik
traefik.ingress.kubernetes.io/rule-type: "PathPrefixStrip"
traefik.ingress.kubernetes.io/rewrite-target: "/"
spec:
rules:
- http:
paths:
- path: /grafana
backend:
serviceName: grafana-service
servicePort: 3000
当我直接在 pod 上进行端口转发时,我可以访问 grafana 应用程序,当我在 grafana 服务上使用端口转发时,它也可以工作。
但是,一旦我尝试通过子路径到达它,我就会得到网关超时。
有人猜我错过了什么吗?
这里是grafana部署的部署和服务:
apiVersion: apps/v1
kind: Deployment
metadata:
name: grafana
namespace: grafana
labels:
app: grafana
tier: frontend
service: monitoring
spec:
selector:
matchLabels:
app: grafana
tier: frontend
template:
metadata:
labels:
app: grafana
tier: frontend
service: monitoring
spec:
containers:
- image: grafana
imagePullPolicy: IfNotPresent
name: grafana
envFrom:
- configMapRef:
name: grafana-config
ports:
- name: frontend
containerPort: 3000
protocol: TCP
---
apiVersion: v1
kind: Service
metadata:
name: grafana-service
namespace: grafana
labels:
app: grafana
tier: frontend
service: monitoring
spec:
selector:
app: grafana
tier: frontend
type: NodePort
ports:
- name: frontend
port: 3000
protocol: TCP
targetPort: 3000
解决方案
我必须将以下两个参数添加到我的 configmap 以使其工作:
GF_SERVER_ROOT_URL=http://localhost:3000/grafana/
GF_SERVER_FROM_SUB_PATH=true