Comments (9)
kms9
commented on August 26, 2024
2
@gaoxinge 给到的示例 使用的是 dubbo-go v3里面默认的配置 运行确实没有问题 但是 自己替换 user的暴露的方法时候 遇到了 注册到 k8s dubbo.io/annotation 的 还是 /dubbo/com.ikurento.user.UserProvider/providers 不会根据配置文件改变.
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kms9
commented on August 26, 2024
1
@gaoxinge 基于你给的demo修改后的代码
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kms9
commented on August 26, 2024
1
看了一下 源码 修改一下 账号的配置就可以了.
apiVersion: apps/v1
kind: Deployment
metadata:
name: dserver
spec:
replicas: 2
selector:
matchLabels:
role: dserver
template:
metadata:
labels:
role: dserver
spec:
containers:
- image: 10.8.8.207:6080/rancher/dserver:v1.1
name: server
env:
- name: DUBBO_NAMESPACE
value: "default,tools"
- name: NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
imagePullPolicy: Always
serviceAccountName: dubbo-sa
配置一下 监听的这里
- name: DUBBO_NAMESPACE
value: "default,tools"
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AlexStocks
commented on August 26, 2024
cc @sxllwx
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kms9
commented on August 26, 2024
截止到目前 自己使用最新版本的dubbo-go进行编译运行在k8s环境下直接报错
2021-06-21T14:46:11.273+0800 WARN kubernetes/client.go:178 new kubernetes client: new dubbo-registry controller: init pod informer: read value from env by key (DUBBO_NAMESPACE))
github.com/apache/dubbo-go/remoting/kubernetes.ValidateClient
/root/vendor/github.com/apache/dubbo-go/remoting/kubernetes/client.go:178
github.com/apache/dubbo-go/registry/kubernetes.newKubernetesRegistry
/root/vendor/github.com/apache/dubbo-go/registry/kubernetes/registry.go:166
github.com/apache/dubbo-go/common/extension.GetRegistry
/root/vendor/github.com/apache/dubbo-go/common/extension/registry.go:39
github.com/apache/dubbo-go/registry/protocol.getRegistry
/root/vendor/github.com/apache/dubbo-go/registry/protocol/protocol.go:86
github.com/apache/dubbo-go/registry/protocol.(*registryProtocol).Refer
/root/vendor/github.com/apache/dubbo-go/registry/protocol/protocol.go:142
github.com/apache/dubbo-go/config.(*ReferenceConfig).Refer
/root/vendor/github.com/apache/dubbo-go/config/reference_config.go:135
github.com/apache/dubbo-go/config.loadConsumerConfig
/root/vendor/github.com/apache/dubbo-go/config/config_loader.go:145
github.com/apache/dubbo-go/config.Load
/root/vendor/github.com/apache/dubbo-go/config/config_loader.go:354
main.main
/root/go-client-pure/cmd/client.go:62
runtime.main
/usr/local/go/src/runtime/proc.go:204
2021-06-21T14:46:11.273+0800 ERROR protocol/protocol.go:88 Registry can not connect success, program is going to panic.Error message is new kubernetes client: new dubbo-registry controller: init pod informer: read value from env by key (DUBBO_NAMESPACE)
github.com/apache/dubbo-go/registry/protocol.getRegistry
/root/vendor/github.com/apache/dubbo-go/registry/protocol/protocol.go:88
github.com/apache/dubbo-go/registry/protocol.(*registryProtocol).Refer
/root/vendor/github.com/apache/dubbo-go/registry/protocol/protocol.go:142
github.com/apache/dubbo-go/config.(*ReferenceConfig).Refer
/root/vendor/github.com/apache/dubbo-go/config/reference_config.go:135
github.com/apache/dubbo-go/config.loadConsumerConfig
/root/vendor/github.com/apache/dubbo-go/config/config_loader.go:145
github.com/apache/dubbo-go/config.Load
/root/vendor/github.com/apache/dubbo-go/config/config_loader.go:354
main.main
/root/go-client-pure/cmd/client.go:62
runtime.main
/usr/local/go/src/runtime/proc.go:204
panic: new kubernetes client: new dubbo-registry controller: init pod informer: read value from env by key (DUBBO_NAMESPACE)
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gaoxinge
commented on August 26, 2024
I create a repository for k8s registry, and master branch denotes the latest (latest denotes v3.0.0-rc2 temporarily). @whitekeyboard @kms9
@kms9 To solve your error, add a dubbo namespace environment in client.yaml. This environment variable ([1], [2]) seems to be used for client to watch the namespace where server reside.
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gaoxinge
commented on August 26, 2024
@kms9 是把下面两个文件关于user的暴露的方法都改了，但是pod的annotation的key dubbo.io/annotation对应的value还是没有变？
- https://github.com/dubbo-x/k8s-registry/blob/a77f69b8cb8c89ac646755bb42f74d720d3d6535/server/cmd/server.go#L63
- https://github.com/dubbo-x/k8s-registry/blob/a77f69b8cb8c89ac646755bb42f74d720d3d6535/server/conf/server.yml#L29
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gaoxinge
commented on August 26, 2024
@kms9 你的意思是：虽然改了代码和配置，但是感觉新代码没有生效，pod里面还是跑的老代码？
直接拿你的代码跑了一下，也单独建了一个分支（改了一些路径和镜像名，其他保持一致）跑了一下，新代码应该没有问题（client pod能打印出结果）：
我猜测可能是：client.sh/server.sh中打完镜像，上传镜像，然后k8s去拉镜像（client-k8s.yaml/server-k8s.yaml里面是imagePullPolicy: Always，每次都会拉镜像，写的很细节）的时候，会不会远程hub缓存了老的镜像，导致拉取下来的任然是老的镜像。
你要不每次打镜像的时候，都更新一下tag（现在一直是v1.1），然后多试几次看看。
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kms9
commented on August 26, 2024
@gaoxinge 实验了一下 代码确实可以的. 不过 貌似不支持夸namespace? 不知道是不是我配置的问题.
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