Refactor directory structure and update the default value of server

Signed-off-by: Nrain <boyan.wang@zilliz.com>

cmd/master.go

+package main
+
+import (
+	"github.com/czs007/suvlim/pkg/master"
+)
+
+// func main() {
+//	ctx, cancel := context.WithCancel(context.Background())
+//	defer cancel()
+//	cfg := config.NewConfig()
+//	s, err := server.CreateServer(ctx, cfg)
+//	if err != nil {
+//		panic(err)
+//	}
+//	err = s.Run()
+//	if err != nil {
+//		fmt.Println(err)
+//	}
+// }
+
+func init() {
+	//	go mock.FakePulsarProducer()
+}
+func main() {
+	//master.SegmentStatsController()
+	master.CollectionController()
+}

go.mod

@@ -5,31 +5,49 @@ go 1.15
 require (
 	code.cloudfoundry.org/bytefmt v0.0.0-20200131002437-cf55d5288a48 // indirect
 	github.com/BurntSushi/toml v0.3.1
+	github.com/apache/pulsar-client-go v0.2.0
+	github.com/apache/pulsar-client-go/oauth2 v0.0.0-20200825011529-c078454b47b6 // indirect
 	github.com/apache/pulsar/pulsar-client-go v0.0.0-20200901051823-800681aaa9af
 	github.com/coreos/etcd v3.3.25+incompatible // indirect
 	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f
+	github.com/danieljoos/wincred v1.1.0 // indirect
 	github.com/docker/go-units v0.4.0
+	github.com/dvsekhvalnov/jose2go v0.0.0-20200901110807-248326c1351b // indirect
 	github.com/gogo/protobuf v1.3.1
 	github.com/golang/protobuf v1.4.2
 	github.com/google/btree v1.0.0
+	github.com/json-iterator/go v1.1.10
+	github.com/keybase/go-keychain v0.0.0-20200502122510-cda31fe0c86d // indirect
+	github.com/klauspost/compress v1.10.11 // indirect
 	github.com/minio/minio-go/v7 v7.0.5
 	github.com/opentracing/opentracing-go v1.2.0
+	github.com/pierrec/lz4 v2.5.2+incompatible // indirect
 	github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712
 	github.com/pingcap/errors v0.11.4 // indirect
 	github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463
 	github.com/pivotal-golang/bytefmt v0.0.0-20200131002437-cf55d5288a48
+	github.com/prometheus/common v0.13.0 // indirect
 	github.com/sirupsen/logrus v1.6.0
 	github.com/stretchr/testify v1.6.1
 	github.com/tikv/client-go v0.0.0-20200824032810-95774393107b
 	github.com/tikv/pd v2.1.19+incompatible
+	github.com/yahoo/athenz v1.9.16 // indirect
 	go.etcd.io/etcd v0.5.0-alpha.5.0.20191023171146-3cf2f69b5738
 	go.uber.org/zap v1.15.0
-	golang.org/x/net v0.0.0-20200822124328-c89045814202
-	google.golang.org/grpc v1.31.1
+	golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a // indirect
+	golang.org/x/net v0.0.0-20200904194848-62affa334b73
+	golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43 // indirect
+	golang.org/x/sys v0.0.0-20200905004654-be1d3432aa8f // indirect
+	google.golang.org/grpc v1.31.0
 	google.golang.org/grpc/examples v0.0.0-20200828165940-d8ef479ab79a // indirect
-	google.golang.org/protobuf v1.25.0
+	google.golang.org/protobuf v1.25.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0
 	sigs.k8s.io/yaml v1.2.0 // indirect
 )
 
 replace go.etcd.io/bbolt => go.etcd.io/bbolt v1.3.5
+
+//replace go.etcd.io/etcd => go.etcd.io/etcd v0.5.0-alpha.5.0.20200329194405-dd816f0735f8
+replace google.golang.org/grpc => google.golang.org/grpc v1.26.0
+
+replace github.com/coreos/etcd => github.com/ozonru/etcd v3.3.20-grpc1.27-origmodule+incompatible

go.sum

@@ -13,6 +13,7 @@ cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKV
 cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
 cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
 cloud.google.com/go v0.63.0/go.mod h1:GmezbQc7T2snqkEXWfZ0sy0VfkB/ivI2DdtJL2DEmlg=
+cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
@@ -33,29 +34,71 @@ cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9
 code.cloudfoundry.org/bytefmt v0.0.0-20200131002437-cf55d5288a48 h1:/EMHruHCFXR9xClkGV/t0rmHrdhX4+trQUcBqjwc9xE=
 code.cloudfoundry.org/bytefmt v0.0.0-20200131002437-cf55d5288a48/go.mod h1:wN/zk7mhREp/oviagqUXY3EwuHhWyOvAdsn5Y4CzOrc=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/99designs/keyring v1.1.5 h1:wLv7QyzYpFIyMSwOADq1CLTF9KbjbBfcnfmOGJ64aO4=
+github.com/99designs/keyring v1.1.5/go.mod h1:7hsVvt2qXgtadGevGJ4ujg+u8m6SpJ5TpHqTozIPqf0=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/DataDog/zstd v1.4.6-0.20200617134701-89f69fb7df32 h1:/gZKpgSMydtrih81nvUhlkXpZIUfthKShSCVbRzBt9Y=
+github.com/DataDog/zstd v1.4.6-0.20200617134701-89f69fb7df32/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
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 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa h1:OaNxuTZr7kxeODyLWsRMC+OD03aFUH+mW6r2d+MWa5Y=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
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@@ -66,21 +109,38 @@ github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee
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@@ -132,6 +206,7 @@ github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvq
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@@ -163,8 +238,11 @@ github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+
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@@ -176,16 +254,45 @@ github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgf
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@@ -319,15 +525,25 @@ github.com/ugorji/go/codec v0.0.0-20190204201341-e444a5086c43/go.mod h1:iT03XoTw
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@@ -347,16 +563,24 @@ go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9E
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@@ -393,16 +617,19 @@ golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73r
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 golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -417,16 +644,22 @@ golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/
 golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200506145744-7e3656a0809f/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
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 golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
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 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
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 golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
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 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -435,11 +668,14 @@ golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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 golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -448,11 +684,18 @@ golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -464,10 +707,14 @@ golang.org/x/sys v0.0.0-20200331124033-c3d80250170d/go.mod h1:h1NjWce9XRLGQEsW7w
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 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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@@ -494,6 +741,7 @@ golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBn
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@@ -507,6 +755,7 @@ golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtn
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 golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
@@ -526,11 +775,13 @@ golang.org/x/tools v0.0.0-20200729194436-6467de6f59a7/go.mod h1:njjCfa9FT2d7l9Bc
 golang.org/x/tools v0.0.0-20200804011535-6c149bb5ef0d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200806022845-90696ccdc692 h1:fsn47thVa7Ar/TMyXYlZgOoT7M4+kRpb+KpSAqRQx1w=
 golang.org/x/tools v0.0.0-20200806022845-90696ccdc692/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
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 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
@@ -548,10 +799,12 @@ google.golang.org/api v0.28.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0M
 google.golang.org/api v0.29.0/go.mod h1:Lcubydp8VUV7KeIHD9z2Bys/sm/vGKnG1UHuDBSrHWM=
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 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
+google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/appengine v1.6.6 h1:lMO5rYAqUxkmaj76jAkRUvt5JZgFymx/+Q5Mzfivuhc=
 google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20181004005441-af9cb2a35e7f/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
@@ -559,6 +812,7 @@ google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRn
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/genproto v0.0.0-20190530194941-fb225487d101/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s=
 google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
@@ -584,6 +838,8 @@ google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200806141610-86f49bd18e98 h1:LCO0fg4kb6WwkXQXRQQgUYsFeFb5taTX5WAx5O/Vt28=
 google.golang.org/genproto v0.0.0-20200806141610-86f49bd18e98/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200825200019-8632dd797987 h1:PDIOdWxZ8eRizhKa1AAvY53xsvLB1cWorMjslvY3VA8=
+google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/grpc v0.0.0-20180607172857-7a6a684ca69e/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
@@ -591,12 +847,15 @@ google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ij
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
+google.golang.org/grpc v1.26.0 h1:2dTRdpdFEEhJYQD8EMLB61nnrzSCTbG38PhqdhvOltg=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.0 h1:rRYRFMVgRv6E0D70Skyfsr28tDXIuuPZyWGMPdMcnXg=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
 google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
+google.golang.org/grpc v1.31.0 h1:T7P4R73V3SSDPhH7WW7ATbfViLtmamH0DKrP3f9AuDI=
 google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.31.1 h1:SfXqXS5hkufcdZ/mHtYCh53P2b+92WQq/DZcKLgsFRs=
 google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
@@ -617,10 +876,13 @@ gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLks
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/ini.v1 v1.57.0 h1:9unxIsFcTt4I55uWluz+UmL95q4kdJ0buvQ1ZIqVQww=
 gopkg.in/ini.v1 v1.57.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/linkedin/goavro.v1 v1.0.5 h1:BJa69CDh0awSsLUmZ9+BowBdokpduDZSM9Zk8oKHfN4=
@@ -628,13 +890,19 @@ gopkg.in/linkedin/goavro.v1 v1.0.5/go.mod h1:Aw5GdAbizjOEl0kAMHV9iHmA8reZzW/OKuJ
 gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
+gopkg.in/square/go-jose.v2 v2.4.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 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=
+gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.7/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=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
@@ -651,3 +919,4 @@ rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
+sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=

master/config/config.go

@@ -18,7 +18,9 @@ import (
 	"encoding/json"
 	"flag"
 	"fmt"
+
 	"github.com/czs007/suvlim/util/grpcutil"
+
 	//"google.golang.org/grpc"
 	"net/url"
 	"os"
@@ -37,8 +39,8 @@ import (
 
 // Config is the pd server configuration.
 type Config struct {
-	flagSet *flag.FlagSet
-	Version bool `json:"-"`
+	flagSet     *flag.FlagSet
+	Version     bool `json:"-"`
 	ConfigCheck bool `json:"-"`
 
 	ClientUrls          string `toml:"client-urls" json:"client-urls"`
@@ -46,31 +48,29 @@ type Config struct {
 	AdvertiseClientUrls string `toml:"advertise-client-urls" json:"advertise-client-urls"`
 	AdvertisePeerUrls   string `toml:"advertise-peer-urls" json:"advertise-peer-urls"`
 
-
-	Name    string `toml:"name" json:"name"`
-	DataDir string     `toml:"data-dir" json:"data-dir"`
+	Name              string `toml:"name" json:"name"`
+	DataDir           string `toml:"data-dir" json:"data-dir"`
 	EnableGRPCGateway bool   `json:"enable-grpc-gateway"`
 
 	InitialCluster      string `toml:"initial-cluster" json:"initial-cluster"`
 	InitialClusterState string `toml:"initial-cluster-state" json:"initial-cluster-state"`
 	InitialClusterToken string `toml:"initial-cluster-token" json:"initial-cluster-token"`
 
-
-	LeaderLease int64 `toml:"lease" json:"lease"`
-	Log     log.Config `toml:"log" json:"log"`
-	LogFileDeprecated  string `toml:"log-file" json:"log-file,omitempty"`
-	LogLevelDeprecated string `toml:"log-level" json:"log-level,omitempty"`
+	LeaderLease        int64      `toml:"lease" json:"lease"`
+	Log                log.Config `toml:"log" json:"log"`
+	LogFileDeprecated  string     `toml:"log-file" json:"log-file,omitempty"`
+	LogLevelDeprecated string     `toml:"log-level" json:"log-level,omitempty"`
 
 	PDServerCfg PDServerConfig `toml:"pd-server" json:"pd-server"`
 
-	TickInterval typeutil.Duration `toml:"tick-interval"`
-	ElectionInterval typeutil.Duration `toml:"election-interval"`
+	TickInterval               typeutil.Duration `toml:"tick-interval"`
+	ElectionInterval           typeutil.Duration `toml:"election-interval"`
 	DisableStrictReconfigCheck bool
 
 	// TsoSaveInterval is the interval to save timestamp.
 	TsoSaveInterval typeutil.Duration `toml:"tso-save-interval" json:"tso-save-interval"`
 
-	PreVote bool `toml:"enable-prevote"`
+	PreVote  bool                    `toml:"enable-prevote"`
 	Security grpcutil.SecurityConfig `toml:"security" json:"security"`
 
 	configFile string
@@ -89,35 +89,35 @@ type Config struct {
 // NewConfig creates a new config.
 func NewConfig() *Config {
 	cfg := &Config{}
+	cfg.HeartbeatStreamBindInterval = typeutil.NewDuration(defaultHeartbeatStreamRebindInterval)
+	cfg.TickInterval = typeutil.NewDuration(defaultTickInterval)
+	cfg.ElectionInterval = typeutil.NewDuration(defaultElectionInterval)
 	cfg.flagSet = flag.NewFlagSet("pd", flag.ContinueOnError)
 	fs := cfg.flagSet
-
 	fs.BoolVar(&cfg.Version, "V", false, "print version information and exit")
 	fs.BoolVar(&cfg.Version, "version", false, "print version information and exit")
 	fs.StringVar(&cfg.configFile, "config", "", "config file")
 	fs.BoolVar(&cfg.ConfigCheck, "config-check", false, "check config file validity and exit")
 
-	fs.StringVar(&cfg.Name, "name", "", "human-readable name for this pd member")
+	fs.StringVar(&cfg.Name, "name", defaultName, "human-readable name for this pd member")
 
-	fs.StringVar(&cfg.DataDir, "data-dir", "", "path to the data directory (default 'default.${name}')")
+	fs.StringVar(&cfg.DataDir, "data-dir", "/data/pd/data", "path to the data directory (default 'default.${name}')")
 	fs.StringVar(&cfg.ClientUrls, "client-urls", defaultClientUrls, "url for client traffic")
-	fs.StringVar(&cfg.AdvertiseClientUrls, "advertise-client-urls", "", "advertise url for client traffic (default '${client-urls}')")
+	fs.StringVar(&cfg.AdvertiseClientUrls, "advertise-client-urls", defaultClientUrls, "advertise url for client traffic (default '${client-urls}')")
 	fs.StringVar(&cfg.PeerUrls, "peer-urls", defaultPeerUrls, "url for peer traffic")
-	fs.StringVar(&cfg.AdvertisePeerUrls, "advertise-peer-urls", "", "advertise url for peer traffic (default '${peer-urls}')")
-	fs.StringVar(&cfg.InitialCluster, "initial-cluster", "", "initial cluster configuration for bootstrapping, e,g. pd=http://127.0.0.1:2380")
-
+	fs.StringVar(&cfg.AdvertisePeerUrls, "advertise-peer-urls", defaultPeerUrls, "advertise url for peer traffic (default '${peer-urls}')")
+	fs.StringVar(&cfg.InitialCluster, "initial-cluster", "pd=http://127.0.0.1:12380", "initial cluster configuration for bootstrapping, e,g. pd=http://127.0.0.1:2380")
+	fs.StringVar(&cfg.InitialClusterState, "initial-cluster-start", defaultInitialClusterState, "initial cluster state")
 	fs.StringVar(&cfg.Log.Level, "L", "", "log level: debug, info, warn, error, fatal (default 'info')")
 	fs.StringVar(&cfg.Log.File.Filename, "log-file", "", "log file path")
-
 	return cfg
 }
 
-
 const (
-	defaultLeaderLease             = int64(3)
+	defaultLeaderLease         = int64(3)
 	defaultName                = "pd"
-	defaultClientUrls          = "http://127.0.0.1:2379"
-	defaultPeerUrls            = "http://127.0.0.1:2380"
+	defaultClientUrls          = "http://127.0.0.1:12379,http://127.0.0.1:12378,http://127.0.0.1:12377"
+	defaultPeerUrls            = "http://127.0.0.1:12380,http://127.0.0.1:12381,http://127.0.0.1:12382"
 	defaultInitialClusterState = embed.ClusterStateFlagNew
 	defaultInitialClusterToken = "pd-cluster"
 
@@ -131,7 +131,7 @@ const (
 
 	defaultHeartbeatStreamRebindInterval = time.Minute
 
-	defaultMaxResetTSGap    = 24 * time.Hour
+	defaultMaxResetTSGap       = 24 * time.Hour
 	defaultEnableGRPCGateway   = true
 	defaultDisableErrorVerbose = true
 )
@@ -344,7 +344,6 @@ func (c *Config) Adjust(meta *toml.MetaData) error {
 	adjustDuration(&c.TickInterval, defaultTickInterval)
 	adjustDuration(&c.ElectionInterval, defaultElectionInterval)
 
-
 	if err := c.PDServerCfg.adjust(configMetaData.Child("pd-server")); err != nil {
 		return err
 	}
@@ -389,7 +388,6 @@ func (c *Config) configFromFile(path string) (*toml.MetaData, error) {
 	return &meta, errors.WithStack(err)
 }
 
-
 // PDServerConfig is the configuration for pd server.
 type PDServerConfig struct {
 	// MaxResetTSGap is the max gap to reset the tso.
@@ -404,11 +402,10 @@ func (c *PDServerConfig) adjust(meta *configMetaData) error {
 // Clone returns a cloned PD server config.
 func (c *PDServerConfig) Clone() *PDServerConfig {
 	return &PDServerConfig{
-		MaxResetTSGap:    c.MaxResetTSGap,
+		MaxResetTSGap: c.MaxResetTSGap,
 	}
 }
 
-
 // ParseUrls parse a string into multiple urls.
 // Export for api.
 func ParseUrls(s string) ([]url.URL, error) {
@@ -507,12 +504,11 @@ func (c *Config) GenEmbedEtcdConfig() (*embed.Config, error) {
 	cfg.PeerTLSInfo.CertFile = c.Security.CertPath
 	cfg.PeerTLSInfo.KeyFile = c.Security.KeyPath
 	cfg.PeerTLSInfo.AllowedCN = allowedCN
-	cfg.ZapLoggerBuilder = embed.NewZapCoreLoggerBuilder(c.logger, c.logger.Core(), c.logProps.Syncer)
+	//	cfg.ZapLoggerBuilder = embed.NewZapCoreLoggerBuilder(c.logger, c.logger.Core(), c.logProps.Syncer)
 	cfg.EnableGRPCGateway = c.EnableGRPCGateway
 	cfg.EnableV2 = true
 	cfg.Logger = "zap"
 	var err error
-
 	cfg.LPUrls, err = ParseUrls(c.PeerUrls)
 	if err != nil {
 		return nil, err

master/server.go

@@ -20,11 +20,9 @@ import (
 
 	//"fmt"
 	"math/rand"
-	"path"
 
 	"github.com/czs007/suvlim/master/member"
 
-	"strconv"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -40,13 +38,14 @@ import (
 	"github.com/czs007/suvlim/master/config"
 	"github.com/czs007/suvlim/master/id"
 	"github.com/czs007/suvlim/master/meta"
-	"github.com/czs007/suvlim/util/typeutil"
 	"github.com/czs007/suvlim/util/logutil"
+	"github.com/czs007/suvlim/util/typeutil"
 
 	//"github.com/czs007/suvlim/master/kv"
 	"github.com/czs007/suvlim/master/tso"
 	"go.etcd.io/etcd/clientv3"
 	"go.etcd.io/etcd/embed"
+
 	//"go.etcd.io/etcd/pkg/types"
 	"go.uber.org/zap"
 	"google.golang.org/grpc"
@@ -125,7 +124,6 @@ type Server struct {
 func CreateServer(ctx context.Context, cfg *config.Config) (*Server, error) {
 	log.Info("PD Config", zap.Reflect("config", cfg))
 	rand.Seed(time.Now().UnixNano())
-
 	s := &Server{
 		cfg:            cfg,
 		persistOptions: config.NewPersistOptions(cfg),
@@ -141,7 +139,6 @@ func CreateServer(ctx context.Context, cfg *config.Config) (*Server, error) {
 	if err != nil {
 		return nil, err
 	}
-
 	etcdCfg.ServiceRegister = func(gs *grpc.Server) {
 		pdpb.RegisterPDServer(gs, s)
 		//diagnosticspb.RegisterDiagnosticsServer(gs, s)
@@ -150,7 +147,6 @@ func CreateServer(ctx context.Context, cfg *config.Config) (*Server, error) {
 
 	s.lg = cfg.GetZapLogger()
 	s.logProps = cfg.GetZapLogProperties()
-
 	s.lg = cfg.GetZapLogger()
 	s.logProps = cfg.GetZapLogProperties()
 	return s, nil
@@ -178,7 +174,6 @@ func (s *Server) startEtcd(ctx context.Context) error {
 	//if err = etcdutil.CheckClusterID(etcd.Server.Cluster().ID(), urlMap, tlsConfig); err != nil {
 	//	return err
 	//}
-
 	select {
 	// Wait etcd until it is ready to use
 	case <-etcd.Server.ReadyNotify():
@@ -233,17 +228,6 @@ func (s *Server) startServer(ctx context.Context) error {
 	// It may lose accuracy if use float64 to store uint64. So we store the
 	// cluster id in label.
 	//metadataGauge.WithLabelValues(fmt.Sprintf("cluster%d", s.clusterID)).Set(0)
-
-	s.rootPath = path.Join(pdRootPath, strconv.FormatUint(s.clusterID, 10))
-
-	s.idAllocator = id.NewAllocatorImpl(s.client, s.rootPath, s.member.MemberValue())
-
-	s.tsoAllocator = tso.NewGlobalTSOAllocator(
-		s.member.GetLeadership(),
-		s.rootPath,
-		s.cfg.TsoSaveInterval.Duration,
-		func() time.Duration { return s.persistOptions.GetMaxResetTSGap() },
-	)
 	kvBase := kv.NewEtcdKVBase(s.client, s.rootPath)
 	// path := filepath.Join(s.cfg.DataDir, "region-meta")
 
@@ -335,7 +319,6 @@ func (s *Server) Run() error {
 	if err := s.startEtcd(s.ctx); err != nil {
 		return err
 	}
-
 	if err := s.startServer(s.ctx); err != nil {
 		return err
 	}

pkg/master/README.md

+# How to start a master
+
+## Requirements
+
+
+## Start from code
+
+
+## Start with docker

pkg/master/common/config.go

+package common
+
+import "time"
+
+const (
+	PULSAR_URL              = "pulsar://localhost:16650"
+	PULSAR_MONITER_INTERVAL = 1 * time.Second
+	PULSAR_TOPIC            = "monitor-topic"
+	ETCD_ROOT_PATH          = "by-dev"
+)

pkg/master/informer/informer.go

+package informer
+
+type Informer interface {
+	Listener(key interface{}) (interface{}, error)
+}

pkg/master/informer/pulsar.go

+package informer
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/apache/pulsar-client-go/pulsar"
+	"github.com/czs007/suvlim/pkg/master/common"
+	"github.com/czs007/suvlim/pkg/master/mock"
+)
+
+func NewPulsarClient() PulsarClient {
+	client, err := pulsar.NewClient(pulsar.ClientOptions{
+		URL:               common.PULSAR_URL,
+		OperationTimeout:  30 * time.Second,
+		ConnectionTimeout: 30 * time.Second,
+	})
+	if err != nil {
+		log.Fatalf("Could not instantiate Pulsar client: %v", err)
+	}
+
+	return PulsarClient{
+		Client: client,
+	}
+}
+
+type PulsarClient struct {
+	Client pulsar.Client
+}
+
+func (pc PulsarClient) Listener(ssChan chan mock.SegmentStats) error {
+	consumer, err := pc.Client.Subscribe(pulsar.ConsumerOptions{
+		Topic:            common.PULSAR_TOPIC,
+		SubscriptionName: "my-sub",
+		Type:             pulsar.Shared,
+	})
+	if err != nil {
+		log.Fatal(err)
+	}
+	for i := 0; i < 10; i++ {
+		msg, err := consumer.Receive(context.TODO())
+		if err != nil {
+			log.Fatal(err)
+		}
+		m, _ := mock.SegmentUnMarshal(msg.Payload())
+		fmt.Printf("Received message msgId: %#v -- content: '%s'\n",
+			msg.ID(), m.SegementID)
+		ssChan <- m
+		consumer.Ack(msg)
+	}
+
+	if err := consumer.Unsubscribe(); err != nil {
+		log.Fatal(err)
+	}
+	return nil
+}

pkg/master/kv/etcd_kv.go

+package kv
+
+import (
+	"context"
+	"path"
+	"time"
+
+	"github.com/czs007/suvlim/errors"
+	"github.com/czs007/suvlim/util/etcdutil"
+	"github.com/pingcap/log"
+	"go.etcd.io/etcd/clientv3"
+	"go.uber.org/zap"
+)
+
+const (
+	requestTimeout  = 10 * time.Second
+	slowRequestTime = 1 * time.Second
+)
+
+var (
+	errTxnFailed = errors.New("failed to commit transaction")
+)
+
+type etcdKVBase struct {
+	client   *clientv3.Client
+	rootPath string
+}
+
+// NewEtcdKVBase creates a new etcd kv.
+func NewEtcdKVBase(client *clientv3.Client, rootPath string) *etcdKVBase {
+	return &etcdKVBase{
+		client:   client,
+		rootPath: rootPath,
+	}
+}
+
+func (kv *etcdKVBase) Load(key string) (string, error) {
+	key = path.Join(kv.rootPath, key)
+
+	resp, err := etcdutil.EtcdKVGet(kv.client, key)
+	if err != nil {
+		return "", err
+	}
+	if n := len(resp.Kvs); n == 0 {
+		return "", nil
+	} else if n > 1 {
+		return "", errors.Errorf("load more than one kvs: key %v kvs %v", key, n)
+	}
+	return string(resp.Kvs[0].Value), nil
+}
+
+func (kv *etcdKVBase) Save(key, value string) error {
+	key = path.Join(kv.rootPath, key)
+
+	txn := NewSlowLogTxn(kv.client)
+	resp, err := txn.Then(clientv3.OpPut(key, value)).Commit()
+	if err != nil {
+		log.Error("save to etcd meet error", zap.String("key", key), zap.String("value", value))
+		return errors.WithStack(err)
+	}
+	if !resp.Succeeded {
+		return errors.WithStack(errTxnFailed)
+	}
+	return nil
+}
+
+func (kv *etcdKVBase) Remove(key string) error {
+	key = path.Join(kv.rootPath, key)
+
+	txn := NewSlowLogTxn(kv.client)
+	resp, err := txn.Then(clientv3.OpDelete(key)).Commit()
+	if err != nil {
+		log.Error("remove from etcd meet error", zap.String("key", key))
+		return errors.WithStack(err)
+	}
+	if !resp.Succeeded {
+		return errors.WithStack(errTxnFailed)
+	}
+	return nil
+}
+
+// SlowLogTxn wraps etcd transaction and log slow one.
+type SlowLogTxn struct {
+	clientv3.Txn
+	cancel context.CancelFunc
+}
+
+// NewSlowLogTxn create a SlowLogTxn.
+func NewSlowLogTxn(client *clientv3.Client) clientv3.Txn {
+	ctx, cancel := context.WithTimeout(client.Ctx(), requestTimeout)
+	return &SlowLogTxn{
+		Txn:    client.Txn(ctx),
+		cancel: cancel,
+	}
+}
+
+// If takes a list of comparison. If all comparisons passed in succeed,
+// the operations passed into Then() will be executed. Or the operations
+// passed into Else() will be executed.
+func (t *SlowLogTxn) If(cs ...clientv3.Cmp) clientv3.Txn {
+	return &SlowLogTxn{
+		Txn:    t.Txn.If(cs...),
+		cancel: t.cancel,
+	}
+}
+
+// Then takes a list of operations. The Ops list will be executed, if the
+// comparisons passed in If() succeed.
+func (t *SlowLogTxn) Then(ops ...clientv3.Op) clientv3.Txn {
+	return &SlowLogTxn{
+		Txn:    t.Txn.Then(ops...),
+		cancel: t.cancel,
+	}
+}
+
+// Commit implements Txn Commit interface.
+func (t *SlowLogTxn) Commit() (*clientv3.TxnResponse, error) {
+	start := time.Now()
+	resp, err := t.Txn.Commit()
+	t.cancel()
+
+	cost := time.Since(start)
+	if cost > slowRequestTime {
+		log.Warn("txn runs too slow",
+			zap.Error(err),
+			zap.Reflect("response", resp),
+			zap.Duration("cost", cost))
+	}
+	//label := "success"
+	//if err != nil {
+	//	label = "failed"
+	//}
+	//txnCounter.WithLabelValues(label).Inc()
+	//txnDuration.WithLabelValues(label).Observe(cost.Seconds())
+	return resp, errors.WithStack(err)
+}

pkg/master/kv/kv.go

+package kv
+
+type Base interface {
+	Load(key string) (string, error)
+	Save(key, value string) error
+	Remove(key string) error
+}

pkg/master/mock/collection.go

+package mock
+
+import (
+	"time"
+
+	jsoniter "github.com/json-iterator/go"
+)
+
+var json = jsoniter.ConfigCompatibleWithStandardLibrary
+
+type Collection struct {
+	ID            uint64    `json:"id"`
+	Name          string    `json:"name"`
+	CreateTime    time.Time `json:"creat_time"`
+	SegmentIDs    []uint64  `json:"segment_ids"`
+	PartitionTags []string  `json:"partition_tags"`
+}
+
+func FakeCreateCollection(id uint64) Collection {
+	cl := Collection{
+		ID:            id,
+		Name:          "test-collection",
+		CreateTime:    time.Now(),
+		SegmentIDs:    []uint64{uint64(10111)},
+		PartitionTags: []string{"default"},
+	}
+	return cl
+}
+
+func Collection2JSON(c Collection) (string, error) {
+	b, err := json.Marshal(&c)
+	if err != nil {
+		return "", err
+	}
+
+	return string(b), nil
+}
+
+func JSON2Collection(s string) (Collection, error) {
+	var c Collection
+	err := json.Unmarshal([]byte(s), &c)
+	if err != nil {
+		return Collection{}, err
+	}
+	return c, nil
+}

pkg/master/mock/collection_test.go

+package mock
+
+import (
+	"fmt"
+	"testing"
+	"time"
+)
+
+var C = Collection{
+	ID:            uint64(11111),
+	Name:          "test-collection",
+	CreateTime:    time.Now(),
+	SegmentIDs:    []uint64{uint64(10111)},
+	PartitionTags: []string{"default"},
+}
+
+func TestCollection2JSON(t *testing.T) {
+	res, err := Collection2JSON(C)
+	if err != nil {
+		t.Error(err)
+	}
+	fmt.Println(res)
+}

pkg/master/mock/mock.go

+package mock
+
+func MockServer() {
+
+}

pkg/master/mock/pulsar.go

+package mock
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/apache/pulsar-client-go/pulsar"
+	"github.com/czs007/suvlim/pkg/master/common"
+)
+
+func FakePulsarProducer() {
+	client, err := pulsar.NewClient(pulsar.ClientOptions{
+		URL:               common.PULSAR_URL,
+		OperationTimeout:  30 * time.Second,
+		ConnectionTimeout: 30 * time.Second,
+	})
+	if err != nil {
+		log.Fatalf("Could not instantiate Pulsar client: %v", err)
+	}
+
+	producer, err := client.CreateProducer(pulsar.ProducerOptions{
+		Topic: common.PULSAR_TOPIC,
+	})
+	testSegmentStats, _ := SegmentMarshal(SegmentStats{
+		SegementID: uint64(1111),
+		MemorySize: uint64(333322),
+		MemoryRate: float64(0.13),
+	})
+	for {
+		_, err = producer.Send(context.Background(), &pulsar.ProducerMessage{
+			Payload: testSegmentStats,
+		})
+		time.Sleep(1 * time.Second)
+	}
+	defer producer.Close()
+
+	if err != nil {
+		fmt.Println("Failed to publish message", err)
+	}
+	fmt.Println("Published message")
+}
+
+//TODO add a mock: memory increase

pkg/master/mock/segment.go

+package mock
+
+import (
+	"bytes"
+	"encoding/gob"
+	"time"
+)
+
+type SegmentStats struct {
+	SegementID uint64
+	MemorySize uint64
+	MemoryRate float64
+}
+
+func SegmentMarshal(s SegmentStats) ([]byte, error) {
+	var nb bytes.Buffer
+	enc := gob.NewEncoder(&nb)
+	err := enc.Encode(s)
+	if err != nil {
+		return []byte{}, err
+	}
+	return nb.Bytes(), nil
+}
+
+func SegmentUnMarshal(data []byte) (SegmentStats, error) {
+	var ss SegmentStats
+	dec := gob.NewDecoder(bytes.NewBuffer(data))
+	err := dec.Decode(&ss)
+	if err != nil {
+		return SegmentStats{}, err
+	}
+	return ss, nil
+}
+
+type Segment struct {
+	SegmentID      uint64     `json:"segment_id"`
+	Collection     Collection `json:"collection"`
+	PartitionTag   string     `json:"partition_tag"`
+	ChannelStart   int        `json:"channel_start"`
+	ChannelEnd     int        `json:"channel_end"`
+	OpenTimeStamp  time.Time  `json:"open_timestamp"`
+	CloseTimeStamp time.Time  `json:"clost_timestamp"`
+}
+
+func Segment2JSON(s Segment) (string, error) {
+	b, err := json.Marshal(&s)
+	if err != nil {
+		return "", err
+	}
+
+	return string(b), nil
+}
+
+func JSON2Segment(s string) (Segment, error) {
+	var c Segment
+	err := json.Unmarshal([]byte(s), &c)
+	if err != nil {
+		return Segment{}, err
+	}
+	return c, nil
+}
+
+func FakeCreateSegment(id uint64, cl Collection, opentime time.Time, closetime time.Time) Segment {
+	seg := Segment{
+		SegmentID:      id,
+		Collection:     cl,
+		PartitionTag:   "default",
+		ChannelStart:   0,
+		ChannelEnd:     100,
+		OpenTimeStamp:  opentime,
+		CloseTimeStamp: closetime,
+	}
+	return seg
+}

pkg/master/mock/segment_test.go

+package mock
+
+import (
+	"fmt"
+	"testing"
+	"time"
+)
+
+func TestSegmentMarshal(t *testing.T) {
+	s := SegmentStats{
+		SegementID: uint64(12315),
+		MemorySize: uint64(233113),
+		MemoryRate: float64(0.13),
+	}
+
+	data, err := SegmentMarshal(s)
+	if err != nil {
+		t.Error(err)
+	}
+
+	ss, err := SegmentUnMarshal(data)
+	if err != nil {
+		t.Error(err)
+	}
+	if ss.MemoryRate != s.MemoryRate {
+		fmt.Println(ss.MemoryRate)
+		fmt.Println(s.MemoryRate)
+		t.Error("Error when marshal")
+	}
+}
+
+var Ts = Segment{
+	SegmentID: uint64(101111),
+	Collection: Collection{
+		ID:            uint64(11111),
+		Name:          "test-collection",
+		CreateTime:    time.Now(),
+		SegmentIDs:    []uint64{uint64(10111)},
+		PartitionTags: []string{"default"},
+	},
+	PartitionTag:   "default",
+	ChannelStart:   1,
+	ChannelEnd:     100,
+	OpenTimeStamp:  time.Now(),
+	CloseTimeStamp: time.Now().Add(1 * time.Hour),
+}
+
+func TestSegment2JSON(t *testing.T) {
+	res, err := Segment2JSON(Ts)
+	if err != nil {
+		t.Error(err)
+	}
+	fmt.Println(res)
+}

pkg/master/server.go

+package master
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/czs007/suvlim/pkg/master/common"
+	"github.com/czs007/suvlim/pkg/master/informer"
+	"github.com/czs007/suvlim/pkg/master/kv"
+	"github.com/czs007/suvlim/pkg/master/mock"
+	"go.etcd.io/etcd/clientv3"
+)
+
+func SegmentStatsController() {
+	ssChan := make(chan mock.SegmentStats, 10)
+	defer close(ssChan)
+	ssClient := informer.NewPulsarClient()
+	go ssClient.Listener(ssChan)
+	for {
+		select {
+		case ss := <-ssChan:
+			fmt.Println(ss)
+		case <-time.After(5 * time.Second):
+			fmt.Println("timeout")
+			return
+		}
+	}
+}
+
+func GRPCServer() {
+
+}
+
+func CollectionController() {
+	cli, _ := clientv3.New(clientv3.Config{
+		Endpoints:   []string{"127.0.0.1:12379"},
+		DialTimeout: 5 * time.Second,
+	})
+	defer cli.Close()
+	kvbase := kv.NewEtcdKVBase(cli, common.ETCD_ROOT_PATH)
+	c := mock.FakeCreateCollection(uint64(3333))
+	s := mock.FakeCreateSegment(uint64(11111), c, time.Now(), time.Unix(1<<63-1, 0))
+	collectionData, _ := mock.Collection2JSON(c)
+	segmentData, _ := mock.Segment2JSON(s)
+	kvbase.Save("test-collection", collectionData)
+	kvbase.Save("test-segment", segmentData)
+	fmt.Println(kvbase.Load("test-collection"))
+	fmt.Println(kvbase.Load("test-segment"))
+}
+
+func Sync() {
+
+}