initial import
This commit is contained in:
kevin
27
example/etcd/demo/Dockerfile
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27
example/etcd/demo/Dockerfile
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@@ -0,0 +1,27 @@
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FROM golang:alpine AS builder
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LABEL stage=gobuilder
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ENV CGO_ENABLED 0
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ENV GOOS linux
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ENV GOPROXY https://goproxy.cn,direct
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RUN apk add upx
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WORKDIR $GOPATH/src/zero
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COPY . .
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RUN go build -ldflags="-s -w" -o /app/etcdmon example/etcd/demo/etcdmon.go
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RUN upx -q /app/etcdmon
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FROM alpine
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RUN apk update --no-cache
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RUN apk add --no-cache ca-certificates
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RUN apk add --no-cache tzdata
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ENV TZ Asia/Shanghai
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WORKDIR /app
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COPY --from=builder /app/etcdmon /app/etcdmon
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CMD ["./etcdmon"]
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13
example/etcd/demo/Makefile
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13
example/etcd/demo/Makefile
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@@ -0,0 +1,13 @@
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version := v$(shell /bin/date "+%y%m%d%H%M%S")
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build:
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#docker pull alpine
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#docker pull golang:alpine
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cd $(GOPATH)/src/zero && docker build -t registry.cn-hangzhou.aliyuncs.com/xapp/etcdmon:$(version) . -f example/etcd/demo/Dockerfile
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#docker image prune --filter label=stage=gobuilder -f
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push: build
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docker push registry.cn-hangzhou.aliyuncs.com/xapp/etcdmon:$(version)
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deploy: push
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kubectl -n xx-xiaoheiban set image deployment/etcdmon-deployment etcdmon=registry-vpc.cn-hangzhou.aliyuncs.com/xapp/etcdmon:$(version)
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169
example/etcd/demo/etcdmon.go
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169
example/etcd/demo/etcdmon.go
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@@ -0,0 +1,169 @@
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package main
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"zero/core/discov"
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"zero/core/logx"
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"zero/core/proc"
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"zero/core/syncx"
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"go.etcd.io/etcd/clientv3"
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)
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var (
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endpoints []string
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keys = []string{
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"user.rpc",
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"classroom.rpc",
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}
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vals = make(map[string]map[string]string)
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barrier syncx.Barrier
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)
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type listener struct {
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key string
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}
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func init() {
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cluster := proc.Env("ETCD_CLUSTER")
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if len(cluster) > 0 {
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endpoints = strings.Split(cluster, ",")
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} else {
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endpoints = []string{"localhost:2379"}
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}
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}
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func (l listener) OnAdd(key, val string) {
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fmt.Printf("add, key: %s, val: %s\n", key, val)
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barrier.Guard(func() {
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if m, ok := vals[l.key]; ok {
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m[key] = val
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} else {
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vals[l.key] = map[string]string{key: val}
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}
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})
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}
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func (l listener) OnDelete(key string) {
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fmt.Printf("del, key: %s\n", key)
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barrier.Guard(func() {
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if m, ok := vals[l.key]; ok {
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delete(m, key)
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}
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})
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}
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func load(cli *clientv3.Client, key string) (map[string]string, error) {
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ctx, cancel := context.WithTimeout(context.Background(), time.Second)
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resp, err := cli.Get(ctx, key, clientv3.WithPrefix())
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cancel()
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if err != nil {
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return nil, err
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}
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ret := make(map[string]string)
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for _, ev := range resp.Kvs {
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ret[string(ev.Key)] = string(ev.Value)
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}
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return ret, nil
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}
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func loadAll(cli *clientv3.Client) (map[string]map[string]string, error) {
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ret := make(map[string]map[string]string)
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for _, key := range keys {
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m, err := load(cli, key)
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if err != nil {
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return nil, err
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}
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ret[key] = m
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}
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return ret, nil
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}
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func compare(a, b map[string]map[string]string) bool {
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if len(a) != len(b) {
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return false
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}
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for k := range a {
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av := a[k]
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bv := b[k]
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if len(av) != len(bv) {
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return false
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}
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for kk := range av {
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if av[kk] != bv[kk] {
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return false
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}
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}
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}
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return true
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}
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func serializeMap(m map[string]map[string]string, prefix string) string {
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var builder strings.Builder
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for k, v := range m {
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fmt.Fprintf(&builder, "%s%s:\n", prefix, k)
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for kk, vv := range v {
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fmt.Fprintf(&builder, "%s\t%s: %s\n", prefix, kk, vv)
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}
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}
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return builder.String()
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}
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func main() {
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registry := discov.NewFacade(endpoints)
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for _, key := range keys {
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registry.Monitor(key, listener{key: key})
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}
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ticker := time.NewTicker(time.Minute)
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defer ticker.Stop()
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for {
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select {
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case <-ticker.C:
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expect, err := loadAll(registry.Client().(*clientv3.Client))
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if err != nil {
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fmt.Println("[ETCD-test] can't load current keys")
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continue
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}
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check := func() bool {
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var match bool
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barrier.Guard(func() {
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match = compare(expect, vals)
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})
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if match {
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logx.Info("match")
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}
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return match
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}
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if check() {
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continue
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}
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time.AfterFunc(time.Second*5, func() {
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if check() {
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return
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}
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var builder strings.Builder
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builder.WriteString(fmt.Sprintf("expect:\n%s\n", serializeMap(expect, "\t")))
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barrier.Guard(func() {
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builder.WriteString(fmt.Sprintf("actual:\n%s\n", serializeMap(vals, "\t")))
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})
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fmt.Println(builder.String())
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})
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}
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}
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}
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15
example/etcd/demo/etcdmon.yaml
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15
example/etcd/demo/etcdmon.yaml
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@@ -0,0 +1,15 @@
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apiVersion: v1
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kind: Pod
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metadata:
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name: etcdmon
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namespace: discov
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spec:
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containers:
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- name: etcdmon
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image: registry-vpc.cn-hangzhou.aliyuncs.com/xapp/etcdmon:v200620093045
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imagePullPolicy: Always
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env:
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- name: ETCD_CLUSTER
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value: etcd.discov:2379
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imagePullSecrets:
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- name: aliyun
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4
example/etcd/discov-namespace.yaml
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4
example/etcd/discov-namespace.yaml
Normal file
@@ -0,0 +1,4 @@
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apiVersion: v1
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kind: Namespace
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metadata:
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name: discovery
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378
example/etcd/etcd.yaml
Normal file
378
example/etcd/etcd.yaml
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@@ -0,0 +1,378 @@
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apiVersion: v1
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kind: Service
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metadata:
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name: discov
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namespace: discovery
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spec:
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ports:
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- name: discov-port
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port: 2379
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protocol: TCP
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targetPort: 2379
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selector:
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app: discov
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---
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apiVersion: v1
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kind: Pod
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metadata:
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labels:
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app: discov
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discov_node: discov0
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name: discov0
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namespace: discovery
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spec:
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containers:
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- command:
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- /usr/local/bin/etcd
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- --name
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- discov0
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- --initial-advertise-peer-urls
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- http://discov0:2380
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- --listen-peer-urls
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- http://0.0.0.0:2380
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- --listen-client-urls
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- http://0.0.0.0:2379
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- --advertise-client-urls
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- http://discov0:2379
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- --initial-cluster
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- discov0=http://discov0:2380,discov1=http://discov1:2380,discov2=http://discov2:2380,discov3=http://discov3:2380,discov4=http://discov4:2380
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- --initial-cluster-state
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- new
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image: registry-vpc.cn-hangzhou.aliyuncs.com/xapp/etcd:latest
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name: discov0
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ports:
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- containerPort: 2379
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name: client
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protocol: TCP
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- containerPort: 2380
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name: server
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protocol: TCP
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imagePullSecrets:
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- name: aliyun
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affinity:
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podAntiAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app
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operator: In
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values:
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- discov
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topologyKey: "kubernetes.io/hostname"
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restartPolicy: Always
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---
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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discov_node: discov0
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name: discov0
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namespace: discovery
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spec:
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ports:
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- name: client
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port: 2379
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protocol: TCP
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targetPort: 2379
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- name: server
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port: 2380
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protocol: TCP
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targetPort: 2380
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selector:
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discov_node: discov0
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---
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apiVersion: v1
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kind: Pod
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metadata:
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labels:
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app: discov
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discov_node: discov1
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name: discov1
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namespace: discovery
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spec:
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containers:
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- command:
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- /usr/local/bin/etcd
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- --name
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- discov1
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- --initial-advertise-peer-urls
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- http://discov1:2380
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- --listen-peer-urls
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- http://0.0.0.0:2380
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- --listen-client-urls
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- http://0.0.0.0:2379
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- --advertise-client-urls
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- http://discov1:2379
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- --initial-cluster
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- discov0=http://discov0:2380,discov1=http://discov1:2380,discov2=http://discov2:2380,discov3=http://discov3:2380,discov4=http://discov4:2380
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- --initial-cluster-state
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- new
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image: registry-vpc.cn-hangzhou.aliyuncs.com/xapp/etcd:latest
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name: discov1
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ports:
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- containerPort: 2379
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name: client
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protocol: TCP
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- containerPort: 2380
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name: server
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protocol: TCP
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imagePullSecrets:
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- name: aliyun
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affinity:
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podAntiAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app
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operator: In
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values:
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- discov
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topologyKey: "kubernetes.io/hostname"
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restartPolicy: Always
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---
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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discov_node: discov1
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name: discov1
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namespace: discovery
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spec:
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ports:
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- name: client
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port: 2379
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protocol: TCP
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targetPort: 2379
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- name: server
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port: 2380
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protocol: TCP
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targetPort: 2380
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selector:
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discov_node: discov1
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---
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apiVersion: v1
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kind: Pod
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metadata:
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labels:
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app: discov
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discov_node: discov2
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name: discov2
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namespace: discovery
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spec:
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containers:
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- command:
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- /usr/local/bin/etcd
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- --name
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- discov2
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- --initial-advertise-peer-urls
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- http://discov2:2380
|
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- --listen-peer-urls
|
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- http://0.0.0.0:2380
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- --listen-client-urls
|
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- http://0.0.0.0:2379
|
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- --advertise-client-urls
|
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- http://discov2:2379
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- --initial-cluster
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- discov0=http://discov0:2380,discov1=http://discov1:2380,discov2=http://discov2:2380,discov3=http://discov3:2380,discov4=http://discov4:2380
|
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- --initial-cluster-state
|
||||
- new
|
||||
image: registry-vpc.cn-hangzhou.aliyuncs.com/xapp/etcd:latest
|
||||
name: discov2
|
||||
ports:
|
||||
- containerPort: 2379
|
||||
name: client
|
||||
protocol: TCP
|
||||
- containerPort: 2380
|
||||
name: server
|
||||
protocol: TCP
|
||||
imagePullSecrets:
|
||||
- name: aliyun
|
||||
affinity:
|
||||
podAntiAffinity:
|
||||
requiredDuringSchedulingIgnoredDuringExecution:
|
||||
- labelSelector:
|
||||
matchExpressions:
|
||||
- key: app
|
||||
operator: In
|
||||
values:
|
||||
- discov
|
||||
topologyKey: "kubernetes.io/hostname"
|
||||
restartPolicy: Always
|
||||
|
||||
---
|
||||
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
labels:
|
||||
discov_node: discov2
|
||||
name: discov2
|
||||
namespace: discovery
|
||||
spec:
|
||||
ports:
|
||||
- name: client
|
||||
port: 2379
|
||||
protocol: TCP
|
||||
targetPort: 2379
|
||||
- name: server
|
||||
port: 2380
|
||||
protocol: TCP
|
||||
targetPort: 2380
|
||||
selector:
|
||||
discov_node: discov2
|
||||
|
||||
---
|
||||
|
||||
apiVersion: v1
|
||||
kind: Pod
|
||||
metadata:
|
||||
labels:
|
||||
app: discov
|
||||
discov_node: discov3
|
||||
name: discov3
|
||||
namespace: discovery
|
||||
spec:
|
||||
containers:
|
||||
- command:
|
||||
- /usr/local/bin/etcd
|
||||
- --name
|
||||
- discov3
|
||||
- --initial-advertise-peer-urls
|
||||
- http://discov3:2380
|
||||
- --listen-peer-urls
|
||||
- http://0.0.0.0:2380
|
||||
- --listen-client-urls
|
||||
- http://0.0.0.0:2379
|
||||
- --advertise-client-urls
|
||||
- http://discov3:2379
|
||||
- --initial-cluster
|
||||
- discov0=http://discov0:2380,discov1=http://discov1:2380,discov2=http://discov2:2380,discov3=http://discov3:2380,discov4=http://discov4:2380
|
||||
- --initial-cluster-state
|
||||
- new
|
||||
image: registry-vpc.cn-hangzhou.aliyuncs.com/xapp/etcd:latest
|
||||
name: discov3
|
||||
ports:
|
||||
- containerPort: 2379
|
||||
name: client
|
||||
protocol: TCP
|
||||
- containerPort: 2380
|
||||
name: server
|
||||
protocol: TCP
|
||||
imagePullSecrets:
|
||||
- name: aliyun
|
||||
affinity:
|
||||
podAntiAffinity:
|
||||
requiredDuringSchedulingIgnoredDuringExecution:
|
||||
- labelSelector:
|
||||
matchExpressions:
|
||||
- key: app
|
||||
operator: In
|
||||
values:
|
||||
- discov
|
||||
topologyKey: "kubernetes.io/hostname"
|
||||
restartPolicy: Always
|
||||
|
||||
---
|
||||
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
labels:
|
||||
discov_node: discov3
|
||||
name: discov3
|
||||
namespace: discovery
|
||||
spec:
|
||||
ports:
|
||||
- name: client
|
||||
port: 2379
|
||||
protocol: TCP
|
||||
targetPort: 2379
|
||||
- name: server
|
||||
port: 2380
|
||||
protocol: TCP
|
||||
targetPort: 2380
|
||||
selector:
|
||||
discov_node: discov3
|
||||
|
||||
---
|
||||
|
||||
apiVersion: v1
|
||||
kind: Pod
|
||||
metadata:
|
||||
labels:
|
||||
app: discov
|
||||
discov_node: discov4
|
||||
name: discov4
|
||||
namespace: discovery
|
||||
spec:
|
||||
containers:
|
||||
- command:
|
||||
- /usr/local/bin/etcd
|
||||
- --name
|
||||
- discov4
|
||||
- --initial-advertise-peer-urls
|
||||
- http://discov4:2380
|
||||
- --listen-peer-urls
|
||||
- http://0.0.0.0:2380
|
||||
- --listen-client-urls
|
||||
- http://0.0.0.0:2379
|
||||
- --advertise-client-urls
|
||||
- http://discov4:2379
|
||||
- --initial-cluster
|
||||
- discov0=http://discov0:2380,discov1=http://discov1:2380,discov2=http://discov2:2380,discov3=http://discov3:2380,discov4=http://discov4:2380
|
||||
- --initial-cluster-state
|
||||
- new
|
||||
image: registry-vpc.cn-hangzhou.aliyuncs.com/xapp/etcd:latest
|
||||
name: discov4
|
||||
ports:
|
||||
- containerPort: 2379
|
||||
name: client
|
||||
protocol: TCP
|
||||
- containerPort: 2380
|
||||
name: server
|
||||
protocol: TCP
|
||||
imagePullSecrets:
|
||||
- name: aliyun
|
||||
affinity:
|
||||
podAntiAffinity:
|
||||
requiredDuringSchedulingIgnoredDuringExecution:
|
||||
- labelSelector:
|
||||
matchExpressions:
|
||||
- key: app
|
||||
operator: In
|
||||
values:
|
||||
- discov
|
||||
topologyKey: "kubernetes.io/hostname"
|
||||
restartPolicy: Always
|
||||
|
||||
---
|
||||
|
||||
apiVersion: v1
|
||||
kind: Service
|
||||
metadata:
|
||||
labels:
|
||||
discov_node: discov4
|
||||
name: discov4
|
||||
namespace: discovery
|
||||
spec:
|
||||
ports:
|
||||
- name: client
|
||||
port: 2379
|
||||
protocol: TCP
|
||||
targetPort: 2379
|
||||
- name: server
|
||||
port: 2380
|
||||
protocol: TCP
|
||||
targetPort: 2380
|
||||
selector:
|
||||
discov_node: discov4
|
||||
22
example/etcd/pub/Dockerfile
Normal file
22
example/etcd/pub/Dockerfile
Normal file
@@ -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 $GOPATH/src/zero
|
||||
COPY . .
|
||||
RUN go build -ldflags="-s -w" -o /app/pub example/etcd/pub/pub.go
|
||||
|
||||
|
||||
FROM alpine
|
||||
|
||||
RUN apk add --no-cache tzdata
|
||||
ENV TZ Asia/Shanghai
|
||||
|
||||
WORKDIR /app
|
||||
COPY --from=builder /app/pub /app/pub
|
||||
|
||||
CMD ["./pub"]
|
||||
11
example/etcd/pub/Makefile
Normal file
11
example/etcd/pub/Makefile
Normal file
@@ -0,0 +1,11 @@
|
||||
version := v$(shell /bin/date "+%y%m%d%H%M%S")
|
||||
|
||||
build:
|
||||
cd $(GOPATH)/src/zero && docker build -t registry.cn-hangzhou.aliyuncs.com/xapp/pub:$(version) . -f example/etcd/pub/Dockerfile
|
||||
docker image prune --filter label=stage=gobuilder -f
|
||||
|
||||
push: build
|
||||
docker push registry.cn-hangzhou.aliyuncs.com/xapp/pub:$(version)
|
||||
|
||||
deploy: push
|
||||
kubectl -n adhoc set image deployment/pub-deployment pub=registry-vpc.cn-hangzhou.aliyuncs.com/xapp/pub:$(version)
|
||||
27
example/etcd/pub/pub.go
Normal file
27
example/etcd/pub/pub.go
Normal file
@@ -0,0 +1,27 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"flag"
|
||||
"fmt"
|
||||
"log"
|
||||
"time"
|
||||
|
||||
"zero/core/discov"
|
||||
)
|
||||
|
||||
var value = flag.String("v", "value", "the value")
|
||||
|
||||
func main() {
|
||||
flag.Parse()
|
||||
|
||||
client := discov.NewPublisher([]string{"etcd.discovery:2379"}, "028F2C35852D", *value)
|
||||
if err := client.KeepAlive(); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer client.Stop()
|
||||
|
||||
for {
|
||||
time.Sleep(time.Second)
|
||||
fmt.Println(*value)
|
||||
}
|
||||
}
|
||||
26
example/etcd/pub/pub.yaml
Normal file
26
example/etcd/pub/pub.yaml
Normal file
@@ -0,0 +1,26 @@
|
||||
apiVersion: apps/v1
|
||||
kind: Deployment
|
||||
metadata:
|
||||
name: pub-deployment
|
||||
namespace: adhoc
|
||||
labels:
|
||||
app: pub
|
||||
spec:
|
||||
replicas: 1
|
||||
selector:
|
||||
matchLabels:
|
||||
app: pub
|
||||
template:
|
||||
metadata:
|
||||
labels:
|
||||
app: pub
|
||||
spec:
|
||||
containers:
|
||||
- name: pub
|
||||
image: registry-vpc.cn-hangzhou.aliyuncs.com/xapp/pub:v200213172101
|
||||
command:
|
||||
- /app/pub
|
||||
- -v
|
||||
- ccc
|
||||
imagePullSecrets:
|
||||
- name: aliyun
|
||||
22
example/etcd/sub/Dockerfile
Normal file
22
example/etcd/sub/Dockerfile
Normal file
@@ -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 $GOPATH/src/zero
|
||||
COPY . .
|
||||
RUN go build -ldflags="-s -w" -o /app/sub example/etcd/sub/sub.go
|
||||
|
||||
|
||||
FROM alpine
|
||||
|
||||
RUN apk add --no-cache tzdata
|
||||
ENV TZ Asia/Shanghai
|
||||
|
||||
WORKDIR /app
|
||||
COPY --from=builder /app/sub /app/sub
|
||||
|
||||
CMD ["./sub"]
|
||||
11
example/etcd/sub/Makefile
Normal file
11
example/etcd/sub/Makefile
Normal file
@@ -0,0 +1,11 @@
|
||||
version := v$(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)
|
||||
21
example/etcd/sub/sub.go
Normal file
21
example/etcd/sub/sub.go
Normal file
@@ -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())
|
||||
}
|
||||
}
|
||||
}
|
||||
16
example/etcd/sub/sub.yaml
Normal file
16
example/etcd/sub/sub.yaml
Normal file
@@ -0,0 +1,16 @@
|
||||
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
|
||||
Reference in New Issue
Block a user