initial import

example/etcd/sub/Dockerfile

@@ -0,0 +1,22 @@
+FROM golang:1.13-alpine AS builder
+
+LABEL stage=gobuilder
+
+ENV CGO_ENABLED 0
+ENV GOOS linux
+ENV GOPROXY https://goproxy.cn,direct
+
+WORKDIR $GOPATH/src/zero
+COPY . .
+RUN go build -ldflags="-s -w" -o /app/sub example/etcd/sub/sub.go
+
+
+FROM alpine
+
+RUN apk add --no-cache tzdata
+ENV TZ Asia/Shanghai
+
+WORKDIR /app
+COPY --from=builder /app/sub /app/sub
+
+CMD ["./sub"]

example/etcd/sub/Makefile

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+version := v$(shell /bin/date "+%y%m%d%H%M%S")
+
+build:
+	cd $(GOPATH)/src/zero && docker build -t registry.cn-hangzhou.aliyuncs.com/xapp/sub:$(version) . -f example/etcd/sub/Dockerfile
+	docker image prune --filter label=stage=gobuilder -f
+
+push: build
+	docker push registry.cn-hangzhou.aliyuncs.com/xapp/sub:$(version)
+
+deploy: push
+	kubectl -n adhoc set image deployment/sub-deployment sub=registry-vpc.cn-hangzhou.aliyuncs.com/xapp/sub:$(version)

example/etcd/sub/sub.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	"zero/core/discov"
+)
+
+func main() {
+	sub := discov.NewSubscriber([]string{"etcd.discovery:2379"}, "028F2C35852D", discov.Exclusive())
+	ticker := time.NewTicker(time.Second * 3)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ticker.C:
+			fmt.Println("values:", sub.Values())
+		}
+	}
+}

example/etcd/sub/sub.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  labels:
+    app: sub
+  name: sub
+  namespace: adhoc
+spec:
+  containers:
+    - command:
+        - /app/sub
+      image: registry-vpc.cn-hangzhou.aliyuncs.com/xapp/sub:v200213220509
+      name: sub
+  imagePullSecrets:
+    - name: aliyun
+  restartPolicy: Always