Browse Source

remove etcd provider

pull/4/head
andrey 3 months ago
parent
commit
14ab46a1eb
  1. 65
      client_example_test.go
  2. 17
      go.mod
  3. 180
      go.sum
  4. 111
      provider/etcd/provider.go
  5. 115
      provider/etcd/provider_test.go
  6. 46
      test/etcd.go

65
client_example_test.go

@ -11,7 +11,6 @@ import (
"gitoa.ru/go-4devs/config"
"gitoa.ru/go-4devs/config/provider/arg"
"gitoa.ru/go-4devs/config/provider/env"
"gitoa.ru/go-4devs/config/provider/etcd"
"gitoa.ru/go-4devs/config/provider/json"
"gitoa.ru/go-4devs/config/provider/watcher"
"gitoa.ru/go-4devs/config/provider/yaml"
@ -36,21 +35,12 @@ func ExampleClient_Value() {
os.Args = []string{"main.go", "--host=gitoa.ru"}
// configure etcd client
etcdClient, err := test.NewEtcd(ctx)
if err != nil {
log.Print(err)
return
}
// read json config
jsonConfig := test.ReadFile("config.json")
config, err := config.New(
arg.New(),
env.New(test.Namespace, test.AppName),
etcd.NewProvider(namespace, appName, etcdClient),
json.New(jsonConfig),
)
if err != nil {
@ -66,13 +56,6 @@ func ExampleClient_Value() {
return
}
enabled, err := config.Value(ctx, "maintain")
if err != nil {
log.Print("maintain", err)
return
}
title, err := config.Value(ctx, "app.name.title")
if err != nil {
log.Print("app.name.title", err)
@ -82,14 +65,14 @@ func ExampleClient_Value() {
cfgValue, err := config.Value(ctx, "cfg")
if err != nil {
log.Print(err)
log.Print("cfg ", err)
return
}
hostValue, err := config.Value(ctx, "host")
if err != nil {
log.Print(err)
log.Print("host ", err)
return
}
@ -98,58 +81,25 @@ func ExampleClient_Value() {
_ = cfgValue.Unmarshal(&cfg)
fmt.Printf("listen from env: %d\n", port.Int())
fmt.Printf("maintain from etcd: %v\n", enabled.Bool())
fmt.Printf("title from json: %v\n", title.String())
fmt.Printf("struct from json: %+v\n", cfg)
fmt.Printf("replace env host by args: %v\n", hostValue.String())
// Output:
// listen from env: 8080
// maintain from etcd: true
// title from json: config title
// struct from json: {Duration:21m0s Enabled:true}
// replace env host by args: gitoa.ru
}
func ExampleClient_Watch() {
const (
namespace = "fdevs"
appName = "config"
)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// configure etcd client
etcdClient, err := test.NewEtcd(ctx)
if err != nil {
log.Print(err)
return
}
_ = os.Setenv("FDEVS_CONFIG_EXAMPLE_ENABLE", "true")
_, err = etcdClient.KV.Put(ctx, "fdevs/config/example_db_dsn", "pgsql://user@pass:127.0.0.1:5432")
if err != nil {
log.Print(err)
return
}
defer func() {
cancel()
if _, err = etcdClient.KV.Delete(context.Background(), "fdevs/config/example_db_dsn"); err != nil {
log.Print(err)
return
}
}()
watcher, err := config.New(
watcher.New(time.Microsecond, env.New(test.Namespace, test.AppName)),
watcher.New(time.Microsecond, yaml.NewWatch("test/fixture/config.yaml")),
etcd.NewProvider(namespace, appName, etcdClient),
)
if err != nil {
log.Print(err)
@ -158,7 +108,7 @@ func ExampleClient_Watch() {
}
wg := sync.WaitGroup{}
wg.Add(2)
wg.Add(1)
err = watcher.Watch(ctx, func(ctx context.Context, oldVar, newVar config.Value) {
fmt.Println("update example_enable old: ", oldVar.Bool(), " new:", newVar.Bool())
@ -182,19 +132,10 @@ func ExampleClient_Watch() {
return
}
time.AfterFunc(time.Second, func() {
if _, err := etcdClient.KV.Put(ctx, "fdevs/config/example_db_dsn", "mysql://localhost:5432"); err != nil {
log.Print(err)
return
}
})
wg.Wait()
// Output:
// update example_enable old: true new: false
// update example_db_dsn old: pgsql://user@pass:127.0.0.1:5432 new: mysql://localhost:5432
}
func ExampleClient_Value_factory() {

17
go.mod

@ -7,29 +7,16 @@ require (
github.com/pelletier/go-toml v1.9.0
github.com/stretchr/testify v1.7.0
github.com/tidwall/gjson v1.7.5
go.etcd.io/etcd/api/v3 v3.5.0-alpha.0
go.etcd.io/etcd/client/v3 v3.5.0-alpha.0
gopkg.in/ini.v1 v1.62.0
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
)
require (
github.com/coreos/go-semver v0.3.0 // indirect
github.com/coreos/go-systemd/v22 v22.1.0 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/gogo/protobuf v1.3.1 // indirect
github.com/golang/protobuf v1.3.5 // indirect
github.com/kr/pretty v0.1.0 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/smartystreets/goconvey v1.6.4 // indirect
github.com/tidwall/match v1.0.3 // indirect
github.com/tidwall/pretty v1.1.0 // indirect
go.etcd.io/etcd/pkg/v3 v3.5.0-alpha.0 // indirect
go.uber.org/atomic v1.6.0 // indirect
go.uber.org/multierr v1.5.0 // indirect
go.uber.org/zap v1.16.0 // indirect
golang.org/x/net v0.0.0-20200602114024-627f9648deb9 // indirect
golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
golang.org/x/text v0.3.0 // indirect
google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884 // indirect
google.golang.org/grpc v1.32.0 // indirect
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
)

180
go.sum

@ -1,115 +1,26 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-systemd/v22 v22.1.0 h1:kq/SbG2BCKLkDKkjQf5OWwKWUKj1lgs3lFI4PxnR5lg=
github.com/coreos/go-systemd/v22 v22.1.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.3.5 h1:F768QJ1E9tib+q5Sc8MkdJi1RxLTbRcTf8LJV56aRls=
github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
github.com/grpc-ecosystem/grpc-gateway v1.14.6/go.mod h1:zdiPV4Yse/1gnckTHtghG4GkDEdKCRJduHpTxT3/jcw=
github.com/iancoleman/strcase v0.3.0 h1:nTXanmYxhfFAMjZL34Ov6gkzEsSJZ5DbhxWjvSASxEI=
github.com/iancoleman/strcase v0.3.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
github.com/pelletier/go-toml v1.9.0 h1:NOd0BRdOKpPf0SxkL3HxSQOG7rNh+4kl6PHcBPFs7Q0=
github.com/pelletier/go-toml v1.9.0/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
github.com/prometheus/client_golang v1.5.1/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
github.com/prometheus/common v0.9.1/go.mod h1:yhUN8i9wzaXS3w1O07YhxHEBxD+W35wd8bs7vj7HSQ4=
github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A=
github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/tidwall/gjson v1.7.5 h1:zmAN/xmX7OtpAkv4Ovfso60r/BiCi5IErCDYGNJu+uc=
@ -118,107 +29,16 @@ github.com/tidwall/match v1.0.3 h1:FQUVvBImDutD8wJLN6c5eMzWtjgONK9MwIBCOrUJKeE=
github.com/tidwall/match v1.0.3/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
github.com/tidwall/pretty v1.1.0 h1:K3hMW5epkdAVwibsQEfR/7Zj0Qgt4DxtNumTq/VloO8=
github.com/tidwall/pretty v1.1.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
go.etcd.io/etcd/api/v3 v3.5.0-alpha.0 h1:+e5nrluATIy3GP53znpkHMFzPTHGYyzvJGFCbuI6ZLc=
go.etcd.io/etcd/api/v3 v3.5.0-alpha.0/go.mod h1:mPcW6aZJukV6Aa81LSKpBjQXTWlXB5r74ymPoSWa3Sw=
go.etcd.io/etcd/client/v3 v3.5.0-alpha.0 h1:dr1EOILak2pu4Nf5XbRIOCNIBjcz6UmkQd7hHRXwxaM=
go.etcd.io/etcd/client/v3 v3.5.0-alpha.0/go.mod h1:wKt7jgDgf/OfKiYmCq5WFGxOFAkVMLxiiXgLDFhECr8=
go.etcd.io/etcd/pkg/v3 v3.5.0-alpha.0 h1:3yLUEC0nFCxw/RArImOyRUI4OAFbg4PFpBbAhSNzKNY=
go.etcd.io/etcd/pkg/v3 v3.5.0-alpha.0/go.mod h1:tV31atvwzcybuqejDoY3oaNRTtlD2l/Ot78Pc9w7DMY=
go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk=
go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
go.uber.org/multierr v1.5.0 h1:KCa4XfM8CWFCpxXRGok+Q0SS/0XBhMDbHHGABQLvD2A=
go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
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go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
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google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
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google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884 h1:fiNLklpBwWK1mth30Hlwk+fcdBmIALlgF5iy77O37Ig=
google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
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gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
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gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

111
provider/etcd/provider.go

@ -1,111 +0,0 @@
package etcd
import (
"context"
"fmt"
"strings"
"gitoa.ru/go-4devs/config"
"gitoa.ru/go-4devs/config/value"
pb "go.etcd.io/etcd/api/v3/mvccpb"
client "go.etcd.io/etcd/client/v3"
)
const (
Name = "etcd"
Separator = "/"
)
var (
_ config.Provider = (*Provider)(nil)
_ config.WatchProvider = (*Provider)(nil)
)
type Client interface {
client.KV
client.Watcher
}
func NewProvider(namespace, appName string, client Client) *Provider {
p := Provider{
client: client,
key: func(s ...string) string {
return strings.Join(s, Separator)
},
name: Name,
prefix: namespace + Separator + appName,
}
return &p
}
type Provider struct {
client Client
key func(...string) string
name string
prefix string
}
func (p *Provider) Name() string {
return p.name
}
func (p *Provider) Key(s []string) string {
return p.prefix + Separator + p.key(s...)
}
func (p *Provider) Value(ctx context.Context, path ...string) (config.Value, error) {
name := p.Key(path)
resp, err := p.client.Get(ctx, name, client.WithPrefix())
if err != nil {
return nil, fmt.Errorf("%w: key:%s, prov:%s", err, name, p.Name())
}
val, err := p.resolve(name, resp.Kvs)
if err != nil {
return nil, fmt.Errorf("%w: key:%s, prov:%s", err, name, p.Name())
}
return val, nil
}
func (p *Provider) Watch(ctx context.Context, callback config.WatchCallback, path ...string) error {
go func(ctx context.Context, key string, callback config.WatchCallback) {
watch := p.client.Watch(ctx, key, client.WithPrevKV(), client.WithPrefix())
for w := range watch {
kvs, olds := p.getEventKvs(w.Events)
if len(kvs) > 0 {
newVar, _ := p.resolve(key, kvs)
oldVar, _ := p.resolve(key, olds)
callback(ctx, oldVar, newVar)
}
}
}(ctx, p.Key(path), callback)
return nil
}
func (p *Provider) getEventKvs(events []*client.Event) ([]*pb.KeyValue, []*pb.KeyValue) {
kvs := make([]*pb.KeyValue, 0, len(events))
old := make([]*pb.KeyValue, 0, len(events))
for i := range events {
kvs = append(kvs, events[i].Kv)
old = append(old, events[i].PrevKv)
}
return kvs, old
}
func (p *Provider) resolve(key string, kvs []*pb.KeyValue) (config.Value, error) {
for _, kv := range kvs {
switch {
case kv == nil:
return nil, nil
case string(kv.Key) == key:
return value.JBytes(kv.Value), nil
}
}
return nil, fmt.Errorf("%w: name %s", config.ErrValueNotFound, key)
}

115
provider/etcd/provider_test.go

@ -1,115 +0,0 @@
package etcd_test
import (
"context"
"fmt"
"sync"
"sync/atomic"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"gitoa.ru/go-4devs/config"
"gitoa.ru/go-4devs/config/provider/etcd"
"gitoa.ru/go-4devs/config/test"
)
func TestProvider(t *testing.T) {
t.Parallel()
ctx := context.Background()
et, err := test.NewEtcd(ctx)
require.NoError(t, err)
provider := etcd.NewProvider("fdevs", "config", et)
read := []test.Read{
test.NewRead(test.DSN, "db_dsn"),
test.NewRead(12*time.Minute, "duration"),
test.NewRead(8080, "port"),
test.NewRead(true, "maintain"),
test.NewRead(test.Time("2020-01-02T15:04:05Z"), "start_at"),
test.NewRead(.064, "percent"),
test.NewRead(uint(2020), "count"),
test.NewRead(int64(2021), "int64"),
test.NewRead(int64(2022), "uint64"),
test.NewReadConfig("config"),
}
test.Run(t, provider, read)
}
func value(cnt int32) string {
return fmt.Sprintf("test data: %d", cnt)
}
func TestWatcher(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
key := "test_watch"
et, err := test.NewEtcd(ctx)
require.NoError(t, err)
defer func() {
_, err = et.KV.Delete(context.Background(), "fdevs/config/test_watch")
require.NoError(t, err)
}()
var cnt, cnt2 int32
prov := etcd.NewProvider("fdevs", "config", et)
wg := sync.WaitGroup{}
wg.Add(6)
watch := func(cnt *int32) func(ctx context.Context, oldVar, newVar config.Value) {
return func(ctx context.Context, oldVar, newVar config.Value) {
switch *cnt {
case 0:
assert.Equal(t, value(*cnt), newVar.String())
assert.Nil(t, oldVar)
case 1:
assert.Equal(t, value(*cnt), newVar.String())
assert.Equal(t, value(*cnt-1), oldVar.String())
case 2:
_, perr := newVar.ParseString()
assert.NoError(t, perr)
assert.Equal(t, "", newVar.String())
assert.Equal(t, value(*cnt-1), oldVar.String())
default:
assert.Fail(t, "unexpected watch")
}
wg.Done()
atomic.AddInt32(cnt, 1)
}
}
err = prov.Watch(ctx, watch(&cnt), key)
err = prov.Watch(ctx, watch(&cnt2), key)
require.NoError(t, err)
time.AfterFunc(time.Second, func() {
_, err = et.KV.Put(ctx, "fdevs/config/test_watch", value(0))
require.NoError(t, err)
_, err = et.KV.Put(ctx, "fdevs/config/test_watch", value(1))
require.NoError(t, err)
_, err = et.KV.Delete(ctx, "fdevs/config/test_watch")
require.NoError(t, err)
})
time.AfterFunc(time.Second*10, func() {
assert.Fail(t, "failed watch after 5 sec")
cancel()
})
go func() {
wg.Wait()
cancel()
}()
<-ctx.Done()
}

46
test/etcd.go

@ -1,46 +0,0 @@
package test
import (
"context"
"os"
"time"
client "go.etcd.io/etcd/client/v3"
)
func NewEtcd(ctx context.Context) (*client.Client, error) {
dsn, ok := os.LookupEnv("FDEVS_CONFIG_ETCD_HOST")
if !ok {
dsn = "127.0.0.1:2379"
}
et, err := client.New(client.Config{
Endpoints: []string{dsn},
DialTimeout: time.Second,
})
if err != nil {
return nil, err
}
values := map[string]string{
"fdevs/config/db_dsn": "pgsql://user@pass:127.0.0.1:5432",
"fdevs/config/duration": "12m",
"fdevs/config/port": "8080",
"fdevs/config/maintain": "true",
"fdevs/config/start_at": "2020-01-02T15:04:05Z",
"fdevs/config/percent": "0.064",
"fdevs/config/count": "2020",
"fdevs/config/int64": "2021",
"fdevs/config/uint64": "2022",
"fdevs/config/config": ConfigJSON,
}
for name, val := range values {
_, err = et.KV.Put(ctx, name, val)
if err != nil {
return nil, err
}
}
return et, nil
}
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