如何解决牧场主:尽管L7 Ingress工作正常,但L4平衡器仍处于待处理状态
在具有2个节点的群集上运行Rancher v 2.4.5。我试图使用Bitnami的Helm Chart安装Wordpress。
一切顺利,我可以通过入口访问站点,只是由于某种原因,图表创建的L4平衡器仍处于待处理状态。
> kubectl get svc -n wordpress -o wide
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR
ingress-d5bf098ee05c3bbaa0a93a2ceedd8d1a ClusterIP 10.43.51.5 <none> 80/TCP 15m workloadID_ingress-d5bf098ee05c3bbaa0a93a2ceedd8d1a=true
wordpress LoadBalancer 10.43.137.240 <pending> 80:31672/TCP,443:31400/TCP 5d22h app.kubernetes.io/instance=wordpress,app.kubernetes.io/name=wordpress
wordpress-mariadb ClusterIP 10.43.7.73 <none> 3306/TCP 5d22h app=mariadb,component=master,release=wordpress
未将LoadBalancer入口分配给wordpress服务:
> kubectl describe services wordpress -n wordpress
Name: wordpress
Namespace: wordpress
Labels: app.kubernetes.io/instance=wordpress
app.kubernetes.io/managed-by=Tiller
app.kubernetes.io/name=wordpress
helm.sh/chart=wordpress-9.5.1
io.cattle.field/appId=wordpress
Annotations: <none>
Selector: app.kubernetes.io/instance=wordpress,app.kubernetes.io/name=wordpress
Type: LoadBalancer
IP: 10.43.137.240
Port: http 80/TCP
TargetPort: http/TCP
NodePort: http 31672/TCP
Endpoints: 10.42.1.16:8080
Port: https 443/TCP
TargetPort: https/TCP
NodePort: https 31400/TCP
Endpoints: 10.42.1.16:8443
Session Affinity: None
External Traffic Policy: Cluster
Events
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
annotations:
field.cattle.io/creatorId: user-6qmpk
field.cattle.io/ingressState: '{"d29yZHByZXNzLWluZ3Jlc3Mvd29yZHByZXNzL3hpcC5pby8vLzgw":""}'
field.cattle.io/publicEndpoints: '[{"addresses":["10.105.1.77"],"port":80,"protocol":"HTTP","serviceName":"wordpress:wordpress","ingressName":"wordpress:my","hostname":"my.wordpress.10.105.1.77.xip.io","path":"/","allNodes":true}]'
creationTimestamp: "2020-09-01T19:32:27Z"
generation: 3
labels:
cattle.io/creator: norman
managedFields:
- apiVersion: networking.k8s.io/v1beta1
fieldsType: FieldsV1
fieldsV1:
f:status:
f:loadBalancer:
f:ingress: {}
manager: nginx-ingress-controller
operation: Update
time: "2020-09-01T19:32:27Z"
- apiVersion: extensions/v1beta1
fieldsType: FieldsV1
fieldsV1:
f:metadata:
f:annotations:
.: {}
f:field.cattle.io/creatorId: {}
f:field.cattle.io/ingressState: {}
f:field.cattle.io/publicEndpoints: {}
f:labels:
.: {}
f:cattle.io/creator: {}
f:spec:
f:rules: {}
manager: Go-http-client
operation: Update
time: "2020-09-01T19:49:08Z"
name: my
namespace: wordpress
resourceVersion: "6073928"
selfLink: /apis/extensions/v1beta1/namespaces/wordpress/ingresses/my
uid: 8a88e16e-cbda-4f1f-bb1c-9d63d0af1b93
spec:
rules:
- host: my.wordpress.10.105.1.77.xip.io
http:
paths:
- backend:
serviceName: wordpress
servicePort: 80
path: /
pathType: ImplementationSpecific
status:
loadBalancer:
ingress:
- ip: 10.105.1.77
- ip: 10.105.1.78
我已经在Bitnami github上发布了问题,但根据答复,问题出在Rancher / RKE端。
有什么想法吗?
PS。
我应该同时在裸机上运行L7 Ingress和用于Rancher的L4平衡器,还是可以将L7 Ingress配置为负载平衡器,并从该项目中删除L4平衡器?
解决方法
我通过清除防火墙,重新启动docker(这样它获得了新的防火墙),然后安装metallb(或任何您拥有的负载均衡器)解决了这个问题。 如果您还没有L2负载平衡器,则可以跳过此步骤,因为在我的情况下,问题是由未注册负载平衡器的防火墙引起的。
负载均衡器需要从Metallb,您的cloudprovider,cloudflare或类似的东西获取IP。它是外部的,这意味着kubernetes本身不会提供它。
您需要使用提供IP的L2负载平衡器 如果您没有,可以尝试https://metallb.universe.tf
您也可以离开它,永远不会获得外部IP,但是nginx / traefik仍然会路由流量,因为它找不到其他路由。
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。