From ba7b5f23924720c3cc0896632e01f2fa35be4fb1 Mon Sep 17 00:00:00 2001 From: Youngteac Hong Date: Thu, 20 May 2021 18:01:30 +0900 Subject: [PATCH] Create a member list of the cluster using etcd (#185) --- go.mod | 8 +- go.sum | 180 +++++++++++++++++++--- test/helper/helper.go | 6 +- test/integration/client_test.go | 4 +- test/integration/cluster_mode_test.go | 133 ++++++++++++++++ test/integration/etcd_test.go | 4 + test/integration/main_test.go | 18 ++- test/stress/etcd_stress_test.go | 3 + yorkie/backend/backend.go | 46 +++++- yorkie/backend/sync/etcd/client.go | 32 +++- yorkie/backend/sync/etcd/client_test.go | 2 +- yorkie/backend/sync/etcd/membermap.go | 178 +++++++++++++++++++++ yorkie/backend/sync/etcd/pubsub.go | 34 ++++ yorkie/backend/sync/memory/pubsub.go | 47 +++--- yorkie/backend/sync/memory/pubsub_test.go | 14 +- yorkie/backend/sync/pubsub.go | 61 ++------ yorkie/backend/sync/subscription.go | 74 +++++++++ yorkie/metrics/prometheus/metrics.go | 27 ++-- yorkie/metrics/prometheus/server.go | 10 +- yorkie/metrics/prometheus/server_test.go | 4 +- yorkie/rpc/server.go | 4 +- yorkie/rpc/server_test.go | 4 +- yorkie/yorkie.go | 22 ++- 23 files changed, 765 insertions(+), 150 deletions(-) create mode 100644 test/integration/cluster_mode_test.go create mode 100644 yorkie/backend/sync/etcd/membermap.go create mode 100644 yorkie/backend/sync/subscription.go diff --git a/go.mod b/go.mod index 98a41b511..fd967242e 100644 --- a/go.mod +++ b/go.mod @@ -4,15 +4,14 @@ go 1.16 require ( github.com/gogo/protobuf v1.3.1 - github.com/golang/protobuf v1.4.2 + github.com/golang/protobuf v1.4.3 github.com/golang/snappy v0.0.1 // indirect github.com/golangci/golangci-lint v1.31.0 github.com/google/uuid v1.0.0 github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 - github.com/magiconair/properties v1.8.1 github.com/moby/locker v1.0.1 - github.com/prometheus/client_golang v1.0.0 + github.com/prometheus/client_golang v1.10.0 github.com/rs/xid v1.2.1 github.com/spf13/cobra v1.1.1 github.com/stretchr/testify v1.6.2-0.20201103103935-92707c0b2d50 @@ -21,8 +20,7 @@ require ( github.com/xdg/stringprep v1.0.0 // indirect go.etcd.io/etcd v0.5.0-alpha.5.0.20201125193152-8a03d2e9614b go.mongodb.org/mongo-driver v1.1.2 - go.uber.org/multierr v1.2.0 // indirect - go.uber.org/zap v1.11.0 + go.uber.org/zap v1.13.0 golang.org/x/tools v0.0.0-20201014231627-1610a49f37af // indirect google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a google.golang.org/grpc v1.26.0 diff --git a/go.sum b/go.sum index 381258336..dbdc04fae 100644 --- a/go.sum +++ b/go.sum @@ -16,31 +16,53 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= github.com/Djarvur/go-err113 v0.0.0-20200511133814-5174e21577d5 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v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM= github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= +github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko= github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc= +github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY= +github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= 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= +github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI= github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk= github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= @@ -53,6 +75,7 @@ github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f h1:lBNOc5arjvs8E5mO2tbpBpLoyyu8B6e44T7hJy6potg= github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= +github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY= github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= @@ -68,11 +91,18 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZm github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no= github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4 h1:qk/FSDDxo05wdJH28W+p5yivv7LuLYLRXPPD8KQCtZs= github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk= +github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs= +github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU= +github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I= +github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M= +github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4safvEdbitLhGGK48rN6g= github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4= github.com/fatih/color v1.9.0 h1:8xPHl4/q1VyqGIPif1F+1V3Y3lSmrq01EabUW3CoW5s= github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU= +github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVBjqR7JHJk0brhHOZYGmfBYOrK0ZhYMEtBr4= +github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8/go.mod h1:ZhphrRTfi2rbfLwlschooIH4+wKKDR4Pdxhh+TRoA20= github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4= github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= @@ -81,8 +111,11 @@ github.com/go-critic/go-critic v0.5.2 h1:3RJdgf6u4NZUumoP8nzbqiiNT8e1tC2Oc7jlgqr github.com/go-critic/go-critic v0.5.2/go.mod h1:cc0+HvdE3lFpqLecgqMaJcvWWH77sLdBp+wLGPM1Yyo= github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU= 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-kit/kit v0.10.0/go.mod h1:xUsJbQ/Fp4kEt7AFgCuvyX4a71u8h9jB8tj/ORgOZ7o= 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-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A= github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8= github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk= @@ -111,15 +144,18 @@ github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y= github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8= github.com/gofrs/flock v0.8.0 h1:MSdYClljsF3PbENUUEx85nkWfJSGfzYI9yEBZOJz6CY= github.com/gofrs/flock v0.8.0/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU= +github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFGgqEef3s= github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ= +github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ= github.com/gogo/protobuf v1.2.1/go.mod 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v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= +github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4= github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2 h1:23T5iq8rbUYlhpt5DB4XJkc6BU31uODLD1o1gKvZmD0= @@ -173,8 +211,9 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= -github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM= github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= 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github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs= github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4 h1:z53tR0945TRRQO/fLEVPI6SMv7ZflF0TEaTAoU7tOzg= github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs= @@ -204,7 +245,9 @@ github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t github.com/grpc-ecosystem/grpc-gateway v1.9.5 h1:UImYN5qQ8tuGpGE16ZmjvcTtTw24zw1QAp/SlnNrZhI= github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY= github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q= +github.com/hashicorp/consul/api v1.3.0/go.mod h1:MmDNSzIMUjNpY/mQ398R4bk2FnqQLoPndWW5VkKPlCE= github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8= +github.com/hashicorp/consul/sdk v0.3.0/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8= github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4= github.com/hashicorp/go-cleanhttp v0.5.1/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80= github.com/hashicorp/go-immutable-radix v1.0.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60= @@ -215,6 +258,7 @@ github.com/hashicorp/go-sockaddr v1.0.0/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerX github.com/hashicorp/go-syslog v1.0.0/go.mod h1:qPfqrKkXGihmCqbJM2mZgkZGvKG1dFdvsLplgctolz4= github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro= github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro= +github.com/hashicorp/go-version v1.2.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA= github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90= github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8= github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8= @@ -225,23 +269,30 @@ github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0m github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I= github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc= github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU= +github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg= github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM= github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8= +github.com/influxdata/influxdb1-client v0.0.0-20191209144304-8bf82d3c094d/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo= github.com/jingyugao/rowserrcheck v0.0.0-20191204022205-72ab7603b68a h1:GmsqmapfzSJkm28dhRoHz2tLRbJmqhU86IPgBtN3mmk= 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h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts= +github.com/samuel/go-zookeeper v0.0.0-20190923202752-2cc03de413da/go.mod h1:gi+0XIa01GRL2eRQVjQkKGqKF3SF9vZR/HnPullcV2E= github.com/sclevine/agouti v3.0.0+incompatible/go.mod h1:b4WX9W9L1sfQKXeJf1mUTLZKJ48R1S7H23Ji7oFO5Bw= github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc= github.com/securego/gosec/v2 v2.4.0 h1:ivAoWcY5DMs9n04Abc1VkqZBO0FL0h4ShTcVsC53lCE= @@ -397,6 +490,7 @@ github.com/soheilhy/cmux v0.1.4 h1:0HKaf1o97UwFjHH9o5XsHUOF+tqmdA7KEzXLpiyaw0E= github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM= github.com/sonatard/noctx v0.0.1 h1:VC1Qhl6Oxx9vvWo3UDgrGXYCeKCe3Wbw7qAWL6FrmTY= github.com/sonatard/noctx v0.0.1/go.mod h1:9D2D/EoULe8Yy2joDHJj7bv3sZoq9AaSb8B4lqBjiZI= +github.com/sony/gobreaker v0.4.1/go.mod h1:ZKptC7FHNvhBz7dN2LGjPVBz2sZJmc0/PkyDJOjmxWY= github.com/sourcegraph/go-diff v0.6.0 h1:WbN9e/jD8ujU+o0vd9IFN5AEwtfB0rn/zM/AANaClqQ= 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v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= +golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= @@ -507,6 +613,7 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= +golang.org/x/lint v0.0.0-20190930215403-16217165b5de h1:5hukYrvBGR8/eNkX5mdUezrA6JiaEZDtJb9Ei+1LlBs= golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE= golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o= @@ -524,6 +631,7 @@ golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73r golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= @@ -531,6 +639,7 @@ golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks= 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 v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= @@ -548,8 +657,9 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= -golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208 h1:qwRHBd0NqMbJxfbotnDhm2ByMI1Shq4Y6oRJo21SGJA= golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20201207232520-09787c993a3a h1:DcqTD9SDLc+1P/r1EmRBwnVsrOwW+kk2vWf9n+1sGhs= +golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/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= @@ -557,6 +667,7 @@ golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5h golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= 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= +golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -566,29 +677,37 @@ 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= +golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys 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golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190110163146-51295c7ec13a/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= @@ -612,10 +731,13 @@ golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtn golang.org/x/tools v0.0.0-20190910044552-dd2b5c81c578/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191108193012-7d206e10da11/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191130070609-6e064ea0cf2d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20200103221440-774c71fcf114/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200117220505-0cba7a3a9ee9/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200321224714-0d839f3cf2ed/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8= golang.org/x/tools v0.0.0-20200324003944-a576cf524670/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8= @@ -634,12 +756,14 @@ golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8T golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= 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= google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg= google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI= 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= @@ -648,16 +772,21 @@ 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= google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a h1:Ob5/580gVHBJZgXnff1cZDbG+xLtMVE5mDRTe+nIsX4= google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= +google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= +google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM= google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38= google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM= google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM= +google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg= 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 v1.26.0 h1:2dTRdpdFEEhJYQD8EMLB61nnrzSCTbG38PhqdhvOltg= google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= @@ -676,20 +805,24 @@ gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8 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/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= +gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o= gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno= gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= 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 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= 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 v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= @@ -708,3 +841,4 @@ mvdan.cc/unparam v0.0.0-20190720180237-d51796306d8f/go.mod h1:4G1h5nDURzA3bwVMZI rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs= sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o= +sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU= diff --git a/test/helper/helper.go b/test/helper/helper.go index 24d87b5a5..b48b530de 100644 --- a/test/helper/helper.go +++ b/test/helper/helper.go @@ -108,13 +108,13 @@ func ByteCountIEC(b uint64) string { } // TestYorkie returns Yorkie instance for testing. -func TestYorkie() *yorkie.Yorkie { +func TestYorkie(portOffset int) *yorkie.Yorkie { y, err := yorkie.New(&yorkie.Config{ RPC: &rpc.Config{ - Port: RPCPort, + Port: RPCPort + portOffset, }, Metrics: &prometheus.Config{ - Port: MetricsPort, + Port: MetricsPort + portOffset, }, Backend: &backend.Config{ SnapshotThreshold: SnapshotThreshold, diff --git a/test/integration/client_test.go b/test/integration/client_test.go index 016a1b060..42655d13a 100644 --- a/test/integration/client_test.go +++ b/test/integration/client_test.go @@ -29,7 +29,7 @@ import ( func TestClient(t *testing.T) { t.Run("dial and close test", func(t *testing.T) { - cli, err := client.Dial(testYorkie.RPCAddr()) + cli, err := client.Dial(defaultYorkie.RPCAddr()) assert.NoError(t, err) defer func() { @@ -39,7 +39,7 @@ func TestClient(t *testing.T) { }) t.Run("activate/deactivate test", func(t *testing.T) { - cli, err := client.Dial(testYorkie.RPCAddr()) + cli, err := client.Dial(defaultYorkie.RPCAddr()) assert.NoError(t, err) defer func() { err := cli.Close() diff --git a/test/integration/cluster_mode_test.go b/test/integration/cluster_mode_test.go new file mode 100644 index 000000000..ea31e3308 --- /dev/null +++ b/test/integration/cluster_mode_test.go @@ -0,0 +1,133 @@ +// +build integration + +/* + * Copyright 2021 The Yorkie Authors. All rights reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package integration + +import ( + "context" + "io" + "sort" + gosync "sync" + "testing" + "time" + + "github.com/stretchr/testify/assert" + + "github.com/yorkie-team/yorkie/client" + "github.com/yorkie-team/yorkie/pkg/document" + "github.com/yorkie-team/yorkie/pkg/document/proxy" + "github.com/yorkie-team/yorkie/test/helper" + "github.com/yorkie-team/yorkie/yorkie/backend/sync" +) + +func keysFromAgents(m map[string]*sync.AgentInfo) []string { + keys := make([]string, 0, len(m)) + for k := range m { + keys = append(keys, k) + } + + sort.Strings(keys) + + return keys +} + +func TestClusterMode(t *testing.T) { + t.Run("member list test", func(t *testing.T) { + agentA := helper.TestYorkie(1000) + agentB := helper.TestYorkie(2000) + assert.NoError(t, agentA.Start()) + assert.NoError(t, agentB.Start()) + + time.Sleep(time.Second) + + assert.Equal(t, keysFromAgents(agentA.Members()), keysFromAgents(agentB.Members())) + assert.Len(t, defaultYorkie.Members(), 3) + + assert.NoError(t, agentA.Shutdown(true)) + assert.Len(t, defaultYorkie.Members(), 2) + + assert.NoError(t, agentB.Shutdown(true)) + assert.Len(t, defaultYorkie.Members(), 1) + }) + + t.Run("watch document across agents test", func(t *testing.T) { + agentA := helper.TestYorkie(1000) + agentB := helper.TestYorkie(2000) + assert.NoError(t, agentA.Start()) + assert.NoError(t, agentB.Start()) + + defer func() { + assert.NoError(t, agentA.Shutdown(true)) + assert.NoError(t, agentB.Shutdown(true)) + }() + + ctx := context.Background() + clientA, err := client.Dial(agentA.RPCAddr()) + assert.NoError(t, err) + clientB, err := client.Dial(agentB.RPCAddr()) + assert.NoError(t, err) + assert.NoError(t, clientA.Activate(ctx)) + assert.NoError(t, clientB.Activate(ctx)) + + docA := document.New(helper.Collection, t.Name()) + docB := document.New(helper.Collection, t.Name()) + + assert.NoError(t, clientA.Attach(ctx, docA)) + assert.NoError(t, clientB.Attach(ctx, docB)) + + wg := gosync.WaitGroup{} + + wg.Add(1) + rch := clientA.Watch(ctx, docA) + go func() { + defer wg.Done() + + select { + case resp := <-rch: + if resp.Err == io.EOF { + return + } + assert.NoError(t, resp.Err) + + err := clientA.Sync(ctx, resp.Keys...) + assert.NoError(t, err) + case <-time.After(time.Second): + return + } + }() + + err = docB.Update(func(root *proxy.ObjectProxy) error { + root.SetString("hello", "world") + return nil + }) + assert.NoError(t, err) + + wg.Wait() + + // TODO(hackerwins): uncomment below test + // assert.Equal(t, docA.Marshal(), docB.Marshal()) + + defer func() { + assert.NoError(t, clientA.Deactivate(ctx)) + assert.NoError(t, clientA.Close()) + + assert.NoError(t, clientB.Deactivate(ctx)) + assert.NoError(t, clientB.Close()) + }() + }) +} diff --git a/test/integration/etcd_test.go b/test/integration/etcd_test.go index 99fdb5aa0..a8a16b998 100644 --- a/test/integration/etcd_test.go +++ b/test/integration/etcd_test.go @@ -21,9 +21,11 @@ package integration import ( "testing" + "github.com/rs/xid" "github.com/stretchr/testify/assert" "github.com/yorkie-team/yorkie/test/helper" + "github.com/yorkie-team/yorkie/yorkie/backend/sync" "github.com/yorkie-team/yorkie/yorkie/backend/sync/etcd" ) @@ -31,6 +33,8 @@ func TestETCD(t *testing.T) { t.Run("new and close test", func(t *testing.T) { cli, err := etcd.Dial(&etcd.Config{ Endpoints: helper.ETCDEndpoints, + }, &sync.AgentInfo{ + ID: xid.New().String(), }) assert.NoError(t, err) diff --git a/test/integration/main_test.go b/test/integration/main_test.go index c76dd7f94..66c30eb15 100644 --- a/test/integration/main_test.go +++ b/test/integration/main_test.go @@ -34,17 +34,17 @@ import ( "github.com/yorkie-team/yorkie/yorkie" ) -var testYorkie *yorkie.Yorkie +var defaultYorkie *yorkie.Yorkie func TestMain(m *testing.M) { - y := helper.TestYorkie() + y := helper.TestYorkie(0) if err := y.Start(); err != nil { log.Logger.Fatal(err) } - testYorkie = y + defaultYorkie = y code := m.Run() - if testYorkie != nil { - if err := testYorkie.Shutdown(true); err != nil { + if defaultYorkie != nil { + if err := defaultYorkie.Shutdown(true); err != nil { log.Logger.Error(err) } } @@ -84,7 +84,7 @@ func syncClientsThenAssertEqual(t *testing.T, pairs []clientAndDocPair) { } func createConn() (*grpc.ClientConn, error) { - conn, err := grpc.Dial(testYorkie.RPCAddr(), grpc.WithInsecure()) + conn, err := grpc.Dial(defaultYorkie.RPCAddr(), grpc.WithInsecure()) if err != nil { return nil, err } @@ -95,16 +95,19 @@ func createConn() (*grpc.ClientConn, error) { func createActivatedClients(t *testing.T, n int) (clients []*client.Client) { for i := 0; i < n; i++ { c, err := client.Dial( - testYorkie.RPCAddr(), + defaultYorkie.RPCAddr(), client.Option{Metadata: map[string]string{ "name": fmt.Sprintf("name-%d", i), }}, ) assert.NoError(t, err) + err = c.Activate(context.Background()) assert.NoError(t, err) + clients = append(clients, c) } + return } @@ -112,6 +115,7 @@ func cleanupClients(t *testing.T, clients []*client.Client) { for _, c := range clients { err := c.Deactivate(context.Background()) assert.NoError(t, err) + err = c.Close() assert.NoError(t, err) } diff --git a/test/stress/etcd_stress_test.go b/test/stress/etcd_stress_test.go index 73f017a0f..ef84fffb0 100644 --- a/test/stress/etcd_stress_test.go +++ b/test/stress/etcd_stress_test.go @@ -24,6 +24,7 @@ import ( "testing" "time" + "github.com/rs/xid" "github.com/stretchr/testify/assert" "github.com/yorkie-team/yorkie/pkg/log" @@ -36,6 +37,8 @@ func TestETCDStress(t *testing.T) { t.Run("lock/unlock stress test", func(t *testing.T) { cli, err := etcd.Dial(&etcd.Config{ Endpoints: helper.ETCDEndpoints, + }, &sync.AgentInfo{ + ID: xid.New().String(), }) assert.NoError(t, err) defer func() { diff --git a/yorkie/backend/backend.go b/yorkie/backend/backend.go index 68481b4c3..1ba48553e 100644 --- a/yorkie/backend/backend.go +++ b/yorkie/backend/backend.go @@ -17,7 +17,11 @@ package backend import ( + "os" gosync "sync" + "time" + + "github.com/rs/xid" "github.com/yorkie-team/yorkie/pkg/log" "github.com/yorkie-team/yorkie/yorkie/backend/db" @@ -26,7 +30,6 @@ import ( "github.com/yorkie-team/yorkie/yorkie/backend/sync/etcd" "github.com/yorkie-team/yorkie/yorkie/backend/sync/memory" "github.com/yorkie-team/yorkie/yorkie/metrics" - "github.com/yorkie-team/yorkie/yorkie/metrics/prometheus" ) // Config is the configuration for creating a Backend instance. @@ -42,7 +45,8 @@ type Config struct { // Backend manages Yorkie's remote states such as data store, distributed lock // and etc. And it has the server status like the configuration. type Backend struct { - Config *Config + Config *Config + agentInfo *sync.AgentInfo DB db.DB LockerMap sync.LockerMap @@ -65,31 +69,54 @@ func New( conf *Config, mongoConf *mongo.Config, etcdConf *etcd.Config, + rpcAddr string, + met metrics.Metrics, ) (*Backend, error) { - met := prometheus.NewMetrics() + hostname, err := os.Hostname() + if err != nil { + return nil, err + } + + agentInfo := &sync.AgentInfo{ + ID: xid.New().String(), + Hostname: hostname, + RPCAddr: rpcAddr, + UpdatedAt: time.Now(), + } mongoClient, err := mongo.Dial(mongoConf) if err != nil { return nil, err } + // TODO(hackerwins): Merge these instances into Coordinator. var pubSub sync.PubSub var lockerMap sync.LockerMap if etcdConf != nil { - etcdClient, err := etcd.Dial(etcdConf) + etcdClient, err := etcd.Dial(etcdConf, agentInfo) if err != nil { return nil, err } + if err := etcdClient.Initialize(); err != nil { + return nil, err + } + lockerMap = etcdClient - // TODO(hackerwins): We need to replace pubsub with etcdClient. - pubSub = memory.NewPubSub() + pubSub = etcdClient } else { lockerMap = memory.NewLockerMap() - pubSub = memory.NewPubSub() + pubSub = memory.NewPubSub(agentInfo) } + log.Logger.Infof( + "backend created: id: %s, addr: %s", + agentInfo.ID, + agentInfo.RPCAddr, + ) + return &Backend{ Config: conf, + agentInfo: agentInfo, DB: mongoClient, LockerMap: lockerMap, PubSub: pubSub, @@ -133,3 +160,8 @@ func (b *Backend) AttachGoroutine(f func()) { f() }() } + +// Members returns the members of this cluster. +func (b *Backend) Members() map[string]*sync.AgentInfo { + return b.PubSub.Members() +} diff --git a/yorkie/backend/sync/etcd/client.go b/yorkie/backend/sync/etcd/client.go index 2f4cb51c5..45cb440be 100644 --- a/yorkie/backend/sync/etcd/client.go +++ b/yorkie/backend/sync/etcd/client.go @@ -18,6 +18,7 @@ package etcd import ( "context" + gosync "sync" "time" "go.etcd.io/etcd/clientv3" @@ -26,6 +27,7 @@ import ( "github.com/yorkie-team/yorkie/pkg/log" "github.com/yorkie-team/yorkie/yorkie/backend/sync" + "github.com/yorkie-team/yorkie/yorkie/backend/sync/memory" ) const ( @@ -50,10 +52,18 @@ type Config struct { type Client struct { config *Config client *clientv3.Client + + pubSub *memory.PubSub + + memberMapMu *gosync.RWMutex + memberMap map[string]*sync.AgentInfo + + ctx context.Context + cancelFunc context.CancelFunc } // newClient creates a new instance of Client. -func newClient(conf *Config) *Client { +func newClient(conf *Config, agentInfo *sync.AgentInfo) *Client { if conf.DialTimeoutSec == 0 { conf.DialTimeoutSec = DefaultDialTimeoutSec } @@ -61,14 +71,24 @@ func newClient(conf *Config) *Client { conf.LockLeaseTimeSec = DefaultLockLeaseTimeSec } + ctx, cancelFunc := context.WithCancel(context.Background()) + return &Client{ config: conf, + + pubSub: memory.NewPubSub(agentInfo), + + memberMapMu: &gosync.RWMutex{}, + memberMap: make(map[string]*sync.AgentInfo), + + ctx: ctx, + cancelFunc: cancelFunc, } } // Dial creates a new instance of Client and dials the given ETCD. -func Dial(conf *Config) (*Client, error) { - c := newClient(conf) +func Dial(conf *Config, agentInfo *sync.AgentInfo) (*Client, error) { + c := newClient(conf, agentInfo) if err := c.Dial(); err != nil { return nil, err @@ -99,6 +119,12 @@ func (c *Client) Dial() error { // Close all resources of this client. func (c *Client) Close() error { + c.cancelFunc() + + if err := c.removeAgent(context.Background()); err != nil { + log.Logger.Error(err) + } + return c.client.Close() } diff --git a/yorkie/backend/sync/etcd/client_test.go b/yorkie/backend/sync/etcd/client_test.go index 0ef41d274..5190991e4 100644 --- a/yorkie/backend/sync/etcd/client_test.go +++ b/yorkie/backend/sync/etcd/client_test.go @@ -37,7 +37,7 @@ func TestClient(t *testing.T) { _, err = etcd.Dial(&etcd.Config{ Endpoints: []string{"invalid-endpoint:2379"}, DialTimeoutSec: 1, - }) + }, nil) }() wg.Wait() diff --git a/yorkie/backend/sync/etcd/membermap.go b/yorkie/backend/sync/etcd/membermap.go new file mode 100644 index 000000000..3df149f39 --- /dev/null +++ b/yorkie/backend/sync/etcd/membermap.go @@ -0,0 +1,178 @@ +/* + * Copyright 2021 The Yorkie Authors. All rights reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package etcd + +import ( + "context" + "encoding/json" + "fmt" + "time" + + "go.etcd.io/etcd/clientv3" + "go.etcd.io/etcd/mvcc/mvccpb" + + "github.com/yorkie-team/yorkie/pkg/log" + "github.com/yorkie-team/yorkie/yorkie/backend/sync" +) + +const ( + agentsPath = "/agents" + putAgentPeriod = 5 * time.Second + agentValueTTL = 7 * time.Second +) + +// Initialize put this agent to etcd with TTL periodically. +func (c *Client) Initialize() error { + ctx := context.Background() + if err := c.putAgent(ctx); err != nil { + return err + } + if err := c.initializeMemberMap(ctx); err != nil { + return err + } + + go c.syncAgents() + go c.putAgentPeriodically() + + return nil +} + +// Members returns the members of this cluster. +func (c *Client) Members() map[string]*sync.AgentInfo { + c.memberMapMu.RLock() + defer c.memberMapMu.RUnlock() + + memberMap := make(map[string]*sync.AgentInfo) + for _, member := range c.memberMap { + memberMap[member.ID] = &sync.AgentInfo{ + ID: member.ID, + Hostname: member.Hostname, + RPCAddr: member.RPCAddr, + UpdatedAt: member.UpdatedAt, + } + } + + return memberMap +} + +// initializeMemberMap initializes the local member map by loading data from etcd. +func (c *Client) initializeMemberMap(ctx context.Context) error { + getResponse, err := c.client.Get(ctx, agentsPath, clientv3.WithPrefix()) + if err != nil { + return err + } + + for _, kv := range getResponse.Kvs { + var info sync.AgentInfo + if err := json.Unmarshal(kv.Value, &info); err != nil { + return err + } + + c.setAgentInfo(string(kv.Key), info) + } + return nil +} + +// putAgentPeriodically puts the local agent in etcd periodically. +func (c *Client) putAgentPeriodically() { + for { + if err := c.putAgent(c.ctx); err != nil { + log.Logger.Error(err) + } + + select { + case <-time.After(putAgentPeriod): + case <-c.ctx.Done(): + return + } + } +} + +// putAgent puts the local agent in etcd. +func (c *Client) putAgent(ctx context.Context) error { + grantResponse, err := c.client.Grant(ctx, int64(agentValueTTL.Seconds())) + if err != nil { + return fmt.Errorf("grant %s: %w", c.pubSub.AgentInfo.ID, err) + } + + agentInfo := *c.pubSub.AgentInfo + agentInfo.UpdatedAt = time.Now() + bytes, err := json.Marshal(agentInfo) + if err != nil { + return fmt.Errorf("marshal %s: %w", c.pubSub.AgentInfo.ID, err) + } + + key := fmt.Sprintf("%s/%s", agentsPath, c.pubSub.AgentInfo.ID) + _, err = c.client.Put(ctx, key, string(bytes), clientv3.WithLease(grantResponse.ID)) + if err != nil { + return fmt.Errorf("put %s: %w", key, err) + } + return nil +} + +// removeAgent removes the local agent in etcd. +func (c *Client) removeAgent(ctx context.Context) error { + key := fmt.Sprintf("%s/%s", agentsPath, c.pubSub.AgentInfo.ID) + _, err := c.client.Delete(ctx, key) + if err != nil { + return fmt.Errorf("remove %s: %w", key, err) + } + return nil +} + +// syncAgents syncs the local member map with etcd. +func (c *Client) syncAgents() { + // TODO(hackerwins): When the network is recovered, check if we need to + // recover the channels watched in the situation. + watchCh := c.client.Watch(c.ctx, agentsPath, clientv3.WithPrefix()) + for { + select { + case watchResponse := <-watchCh: + for _, event := range watchResponse.Events { + switch event.Type { + case mvccpb.PUT: + var info sync.AgentInfo + if err := json.Unmarshal(event.Kv.Value, &info); err != nil { + log.Logger.Error(err) + continue + } + c.setAgentInfo(string(event.Kv.Key), info) + case mvccpb.DELETE: + c.removeAgentInfo(string(event.Kv.Key)) + } + } + case <-c.ctx.Done(): + return + } + } +} + +// setAgentInfo sets the given agentInfo to the local member map. +func (c *Client) setAgentInfo(key string, value sync.AgentInfo) { + c.memberMapMu.Lock() + defer c.memberMapMu.Unlock() + + c.memberMap[key] = &value +} + +// removeAgentInfo removes the given agentInfo from the local member map. +func (c *Client) removeAgentInfo(key string) { + c.memberMapMu.Lock() + defer c.memberMapMu.Unlock() + + delete(c.memberMap, key) +} diff --git a/yorkie/backend/sync/etcd/pubsub.go b/yorkie/backend/sync/etcd/pubsub.go index 356d12213..c94326a50 100644 --- a/yorkie/backend/sync/etcd/pubsub.go +++ b/yorkie/backend/sync/etcd/pubsub.go @@ -15,3 +15,37 @@ */ package etcd + +import ( + "github.com/yorkie-team/yorkie/pkg/document/time" + "github.com/yorkie-team/yorkie/pkg/types" + "github.com/yorkie-team/yorkie/yorkie/backend/sync" +) + +// Subscribe subscribes to the given topics. +func (c *Client) Subscribe( + subscriber types.Client, + topics []string, +) (*sync.Subscription, map[string][]types.Client, error) { + // TODO(hackerwins): build peersMap. + return c.pubSub.Subscribe(subscriber, topics) +} + +// Unsubscribe unsubscribes the given topics. +func (c *Client) Unsubscribe(topics []string, sub *sync.Subscription) { + c.pubSub.Unsubscribe(topics, sub) +} + +// Publish publishes the given event to the given Topic. +func (c *Client) Publish( + publisherID *time.ActorID, + topic string, + event sync.DocEvent, +) { + c.pubSub.Publish(publisherID, topic, event) + + // TODO(hackerwins): broadcast the event to other agents. + // for _, member := range c.Members() { + // member.RPCAddr + // } +} diff --git a/yorkie/backend/sync/memory/pubsub.go b/yorkie/backend/sync/memory/pubsub.go index 62e8f71bf..ec4f54594 100644 --- a/yorkie/backend/sync/memory/pubsub.go +++ b/yorkie/backend/sync/memory/pubsub.go @@ -63,15 +63,17 @@ func (s *subscriptions) Len() int { // PubSub is the memory implementation of PubSub, used for single agent or // tests. type PubSub struct { - mu *gosync.RWMutex - subscriptionsMap map[string]*subscriptions + AgentInfo *sync.AgentInfo + subscriptionsMapMu *gosync.RWMutex + subscriptionsMapByTopic map[string]*subscriptions } // NewPubSub creates an instance of PubSub. -func NewPubSub() *PubSub { +func NewPubSub(info *sync.AgentInfo) *PubSub { return &PubSub{ - mu: &gosync.RWMutex{}, - subscriptionsMap: make(map[string]*subscriptions), + AgentInfo: info, + subscriptionsMapMu: &gosync.RWMutex{}, + subscriptionsMapByTopic: make(map[string]*subscriptions), } } @@ -84,8 +86,8 @@ func (m *PubSub) Subscribe( return nil, nil, sync.ErrEmptyTopics } - m.mu.Lock() - defer m.mu.Unlock() + m.subscriptionsMapMu.Lock() + defer m.subscriptionsMapMu.Unlock() log.Logger.Debugf( `Subscribe(%s,%s) Start`, @@ -97,13 +99,13 @@ func (m *PubSub) Subscribe( peersMap := make(map[string][]types.Client) for _, topic := range topics { - if _, ok := m.subscriptionsMap[topic]; !ok { - m.subscriptionsMap[topic] = newSubscriptions() + if _, ok := m.subscriptionsMapByTopic[topic]; !ok { + m.subscriptionsMapByTopic[topic] = newSubscriptions() } - m.subscriptionsMap[topic].Add(sub) + m.subscriptionsMapByTopic[topic].Add(sub) var peers []types.Client - for _, sub := range m.subscriptionsMap[topic].Map() { + for _, sub := range m.subscriptionsMapByTopic[topic].Map() { peers = append(peers, sub.Subscriber()) } peersMap[topic] = peers @@ -119,20 +121,22 @@ func (m *PubSub) Subscribe( // Unsubscribe unsubscribes the given topics. func (m *PubSub) Unsubscribe(topics []string, sub *sync.Subscription) { - m.mu.Lock() - defer m.mu.Unlock() + m.subscriptionsMapMu.Lock() + defer m.subscriptionsMapMu.Unlock() log.Logger.Debugf(`Unsubscribe(%s,%s) Start`, topics[0], sub.SubscriberID()) for _, topic := range topics { - if subs, ok := m.subscriptionsMap[topic]; ok { + if subs, ok := m.subscriptionsMapByTopic[topic]; ok { subs.Delete(sub.ID()) if subs.Len() == 0 { - delete(m.subscriptionsMap, topic) + delete(m.subscriptionsMapByTopic, topic) } } } + sub.Close() + log.Logger.Debugf(`Unsubscribe(%s,%s) End`, topics[0], sub.SubscriberID()) } @@ -142,12 +146,12 @@ func (m *PubSub) Publish( topic string, event sync.DocEvent, ) { - m.mu.RLock() - defer m.mu.RUnlock() + m.subscriptionsMapMu.RLock() + defer m.subscriptionsMapMu.RUnlock() log.Logger.Debugf(`Publish(%s,%s) Start`, event.DocKey, publisherID.String()) - if subs, ok := m.subscriptionsMap[topic]; ok { + if subs, ok := m.subscriptionsMapByTopic[topic]; ok { for _, sub := range subs.Map() { if sub.Subscriber().ID.Compare(publisherID) != 0 { log.Logger.Debugf( @@ -163,3 +167,10 @@ func (m *PubSub) Publish( log.Logger.Debugf(`Publish(%s,%s) End`, event.DocKey, publisherID.String()) } + +// Members returns the members of this cluster. +func (m *PubSub) Members() map[string]*sync.AgentInfo { + members := make(map[string]*sync.AgentInfo) + members[m.AgentInfo.ID] = m.AgentInfo + return members +} diff --git a/yorkie/backend/sync/memory/pubsub_test.go b/yorkie/backend/sync/memory/pubsub_test.go index 9fcdafa58..346a85d0f 100644 --- a/yorkie/backend/sync/memory/pubsub_test.go +++ b/yorkie/backend/sync/memory/pubsub_test.go @@ -32,8 +32,8 @@ func TestPubSub(t *testing.T) { actorA := types.Client{ID: &time.ActorID{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}} actorB := types.Client{ID: &time.ActorID{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}} - t.Run("subscribe publish test", func(t *testing.T) { - pubsub := memory.NewPubSub() + t.Run("publish subscribe test", func(t *testing.T) { + pubSub := memory.NewPubSub(nil) event := sync.DocEvent{ Type: types.DocumentsWatchedEvent, DocKey: t.Name(), @@ -41,10 +41,10 @@ func TestPubSub(t *testing.T) { } // subscribe the topic by actorA - subA, _, err := pubsub.Subscribe(actorA, []string{t.Name()}) + subA, _, err := pubSub.Subscribe(actorA, []string{t.Name()}) assert.NoError(t, err) defer func() { - pubsub.Unsubscribe([]string{t.Name()}, subA) + pubSub.Unsubscribe([]string{t.Name()}, subA) }() var wg gosync.WaitGroup @@ -56,15 +56,15 @@ func TestPubSub(t *testing.T) { }() // publish the event to the topic by actorB - pubsub.Publish(actorB.ID, t.Name(), event) + pubSub.Publish(actorB.ID, t.Name(), event) wg.Wait() }) t.Run("subscriptions map test", func(t *testing.T) { - pubsub := memory.NewPubSub() + pubSub := memory.NewPubSub(nil) for i := 0; i < 5; i++ { - _, subs, err := pubsub.Subscribe(actorA, []string{t.Name()}) + _, subs, err := pubSub.Subscribe(actorA, []string{t.Name()}) assert.NoError(t, err) assert.Len(t, subs[t.Name()], i+1) } diff --git a/yorkie/backend/sync/pubsub.go b/yorkie/backend/sync/pubsub.go index b47e03c10..c893cc653 100644 --- a/yorkie/backend/sync/pubsub.go +++ b/yorkie/backend/sync/pubsub.go @@ -18,8 +18,7 @@ package sync import ( "errors" - - "github.com/rs/xid" + gotime "time" "github.com/yorkie-team/yorkie/pkg/document/time" "github.com/yorkie-team/yorkie/pkg/types" @@ -37,55 +36,12 @@ type DocEvent struct { Publisher types.Client } -// Subscription represents the subscription of a subscriber. It is used across -// several topics. -type Subscription struct { - id string - subscriber types.Client - closed bool - events chan DocEvent -} - -// NewSubscription creates a new instance of Subscription. -func NewSubscription(subscriber types.Client) *Subscription { - return &Subscription{ - id: xid.New().String(), - subscriber: subscriber, - // [Workaround] The channel buffer size below avoids stopping during - // event issuing to the events channel. This bug occurs in the order - // of Publish and Unsubscribe. - events: make(chan DocEvent, 10), - } -} - -// ID returns the id of this subscription. -func (s *Subscription) ID() string { - return s.id -} - -// Events returns the DocEvent channel of this subscription. -func (s *Subscription) Events() chan DocEvent { - return s.events -} - -// Subscriber returns the subscriber of this subscription. -func (s *Subscription) Subscriber() types.Client { - return s.subscriber -} - -// SubscriberID returns string representation of the subscriber. -func (s *Subscription) SubscriberID() string { - return s.subscriber.ID.String() -} - -// Close closes all resources of this Subscription. -func (s *Subscription) Close() { - if s.closed { - return - } - - s.closed = true - close(s.events) +// AgentInfo represents the information of the Agent. +type AgentInfo struct { + ID string `json:"id"` + Hostname string `json:"hostname"` + RPCAddr string `json:"rpc_addr"` + UpdatedAt gotime.Time `json:"updated_at"` } // PubSub is a structure to support event publishing/subscription. @@ -101,4 +57,7 @@ type PubSub interface { // Publish publishes the given event to the given Topic. Publish(publisherID *time.ActorID, topic string, event DocEvent) + + // Members returns the members of this cluster. + Members() map[string]*AgentInfo } diff --git a/yorkie/backend/sync/subscription.go b/yorkie/backend/sync/subscription.go new file mode 100644 index 000000000..6f8c07d0e --- /dev/null +++ b/yorkie/backend/sync/subscription.go @@ -0,0 +1,74 @@ +/* + * Copyright 2021 The Yorkie Authors. All rights reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package sync + +import ( + "github.com/rs/xid" + + "github.com/yorkie-team/yorkie/pkg/types" +) + +// Subscription represents the subscription of a subscriber. It is used across +// several topics. +type Subscription struct { + id string + subscriber types.Client + closed bool + events chan DocEvent +} + +// NewSubscription creates a new instance of Subscription. +func NewSubscription(subscriber types.Client) *Subscription { + return &Subscription{ + id: xid.New().String(), + subscriber: subscriber, + // [Workaround] The channel buffer size below avoids stopping during + // event issuing to the events channel. This bug occurs in the order + // of Publish and Unsubscribe. + events: make(chan DocEvent, 10), + } +} + +// ID returns the id of this subscription. +func (s *Subscription) ID() string { + return s.id +} + +// Events returns the DocEvent channel of this subscription. +func (s *Subscription) Events() chan DocEvent { + return s.events +} + +// Subscriber returns the subscriber of this subscription. +func (s *Subscription) Subscriber() types.Client { + return s.subscriber +} + +// SubscriberID returns string representation of the subscriber. +func (s *Subscription) SubscriberID() string { + return s.subscriber.ID.String() +} + +// Close closes all resources of this Subscription. +func (s *Subscription) Close() { + if s.closed { + return + } + + s.closed = true + close(s.events) +} diff --git a/yorkie/metrics/prometheus/metrics.go b/yorkie/metrics/prometheus/metrics.go index 8ba1a1798..e4512ebc8 100644 --- a/yorkie/metrics/prometheus/metrics.go +++ b/yorkie/metrics/prometheus/metrics.go @@ -29,50 +29,52 @@ const ( // Metrics manages the metric information that Yorkie is trying to measure. type Metrics struct { - agentVersion *prometheus.GaugeVec + registry *prometheus.Registry - pushPullResponseSeconds prometheus.Histogram - pushPullReceivedChanges prometheus.Gauge - pushPullSentChanges prometheus.Gauge + agentVersion *prometheus.GaugeVec + pushPullResponseSeconds prometheus.Histogram + pushPullReceivedChanges prometheus.Gauge + pushPullSentChanges prometheus.Gauge pushPullSnapshotDurationSeconds prometheus.Histogram pushPullSnapshotBytes prometheus.Gauge } // NewMetrics creates a new instance of Metrics. func NewMetrics() *Metrics { + reg := prometheus.NewRegistry() metrics := &Metrics{ - agentVersion: promauto.NewGaugeVec(prometheus.GaugeOpts{ + agentVersion: promauto.With(reg).NewGaugeVec(prometheus.GaugeOpts{ Namespace: "yorkie", Subsystem: "agent", Name: "version", Help: "Which version is running. 1 for 'agent_version' label with current version.", }, []string{"agent_version"}), - pushPullResponseSeconds: promauto.NewHistogram(prometheus.HistogramOpts{ + pushPullResponseSeconds: promauto.With(reg).NewHistogram(prometheus.HistogramOpts{ Namespace: namespace, Subsystem: "rpcserver", Name: "pushpull_response_seconds", Help: "Response time of PushPull API.", }), - pushPullReceivedChanges: promauto.NewGauge(prometheus.GaugeOpts{ + pushPullReceivedChanges: promauto.With(reg).NewGauge(prometheus.GaugeOpts{ Namespace: namespace, Subsystem: "rpcserver", Name: "pushpull_received_changes", Help: "The number of changes included in a request pack in PushPull API.", }), - pushPullSentChanges: promauto.NewGauge(prometheus.GaugeOpts{ + pushPullSentChanges: promauto.With(reg).NewGauge(prometheus.GaugeOpts{ Namespace: namespace, Subsystem: "rpcserver", Name: "pushpull_sent_changes", Help: "The number of changes included in a response pack in PushPull API.", }), - pushPullSnapshotDurationSeconds: promauto.NewHistogram(prometheus.HistogramOpts{ + pushPullSnapshotDurationSeconds: promauto.With(reg).NewHistogram(prometheus.HistogramOpts{ Namespace: namespace, Subsystem: "db", Name: "pushpull_snapshot_duration_seconds", Help: "The creation time of snapshot in PushPull API.", }), - pushPullSnapshotBytes: promauto.NewGauge(prometheus.GaugeOpts{ + pushPullSnapshotBytes: promauto.With(reg).NewGauge(prometheus.GaugeOpts{ Namespace: namespace, Subsystem: "db", Name: "pushpull_snapshot_bytes", @@ -114,3 +116,8 @@ func (m *Metrics) ObservePushPullSnapshotDurationSeconds(seconds float64) { func (m *Metrics) SetPushPullSnapshotBytes(bytes int) { m.pushPullSnapshotBytes.Set(float64(bytes)) } + +// Registry returns the registry of this metrics. +func (m *Metrics) Registry() *prometheus.Registry { + return m.registry +} diff --git a/yorkie/metrics/prometheus/server.go b/yorkie/metrics/prometheus/server.go index ab5894156..79e5703c8 100644 --- a/yorkie/metrics/prometheus/server.go +++ b/yorkie/metrics/prometheus/server.go @@ -34,16 +34,18 @@ type Config struct { // Server provides application-specific and Go metrics. type Server struct { conf *Config + metrics *Metrics metricsServer *http.Server } // NewServer creates an instance of Server. -func NewServer(conf *Config) (*Server, error) { +func NewServer(conf *Config, met *Metrics) (*Server, error) { if conf == nil { return nil, nil } return &Server{ - conf: conf, + conf: conf, + metrics: met, metricsServer: &http.Server{ Addr: fmt.Sprintf(":%d", conf.Port), }, @@ -53,7 +55,9 @@ func NewServer(conf *Config) (*Server, error) { func (s *Server) listenAndServe() error { go func() { log.Logger.Infof(fmt.Sprintf("serving Metrics on %d", s.conf.Port)) - http.Handle("/metrics", promhttp.Handler()) + serveMux := http.NewServeMux() + serveMux.Handle("/metrics", promhttp.HandlerFor(s.metrics.Registry(), promhttp.HandlerOpts{})) + s.metricsServer.Handler = serveMux if err := s.metricsServer.ListenAndServe(); err != http.ErrServerClosed { log.Logger.Error("HTTP server ListenAndServe: %v", err) } diff --git a/yorkie/metrics/prometheus/server_test.go b/yorkie/metrics/prometheus/server_test.go index bc1f5ff33..eb7e608ab 100644 --- a/yorkie/metrics/prometheus/server_test.go +++ b/yorkie/metrics/prometheus/server_test.go @@ -34,14 +34,14 @@ func TestMetricsServer(t *testing.T) { t.Run("new server test", func(t *testing.T) { server, err := prometheus.NewServer(&prometheus.Config{ Port: testMetricsPort, - }) + }, prometheus.NewMetrics()) assert.NoError(t, err) assert.NotNil(t, server) server.Shutdown(true) }) t.Run("new server without config test", func(t *testing.T) { - server, err := prometheus.NewServer(nil) + server, err := prometheus.NewServer(nil, nil) assert.NoError(t, err) assert.Nil(t, server) }) diff --git a/yorkie/rpc/server.go b/yorkie/rpc/server.go index e10de2d42..ac614b561 100644 --- a/yorkie/rpc/server.go +++ b/yorkie/rpc/server.go @@ -413,7 +413,9 @@ func (s *Server) listenAndServeGRPC() error { log.Logger.Infof("serving API on %d", s.conf.Port) if err := s.grpcServer.Serve(lis); err != nil { - log.Logger.Error(err) + if err != grpc.ErrServerStopped { + log.Logger.Error(err) + } } }() diff --git a/yorkie/rpc/server_test.go b/yorkie/rpc/server_test.go index 6dcf61c05..96c6e3128 100644 --- a/yorkie/rpc/server_test.go +++ b/yorkie/rpc/server_test.go @@ -18,6 +18,7 @@ import ( "github.com/yorkie-team/yorkie/yorkie/backend" "github.com/yorkie-team/yorkie/yorkie/backend/db/mongo" "github.com/yorkie-team/yorkie/yorkie/backend/sync/etcd" + "github.com/yorkie-team/yorkie/yorkie/metrics/prometheus" "github.com/yorkie-team/yorkie/yorkie/rpc" ) @@ -32,6 +33,7 @@ var ( invalidClientID, _ = hex.DecodeString("invalid") testRPCServer *rpc.Server + testRPCAddr = fmt.Sprintf("localhost:%d", testRPCPort) testClient api.YorkieClient invalidChangePack = &api.ChangePack{ @@ -52,7 +54,7 @@ func TestMain(m *testing.M) { PingTimeoutSec: helper.MongoPingTimeoutSec, }, &etcd.Config{ Endpoints: helper.ETCDEndpoints, - }) + }, testRPCAddr, prometheus.NewMetrics()) if err != nil { log.Fatal(err) } diff --git a/yorkie/yorkie.go b/yorkie/yorkie.go index 150f424e5..bd72b69cf 100644 --- a/yorkie/yorkie.go +++ b/yorkie/yorkie.go @@ -17,10 +17,11 @@ package yorkie import ( - "sync" + gosync "sync" "github.com/yorkie-team/yorkie/pkg/log" "github.com/yorkie-team/yorkie/yorkie/backend" + "github.com/yorkie-team/yorkie/yorkie/backend/sync" "github.com/yorkie-team/yorkie/yorkie/metrics/prometheus" "github.com/yorkie-team/yorkie/yorkie/rpc" ) @@ -29,7 +30,7 @@ import ( // The agent receives changes from the client, stores them in the repository, // and propagates the changes to clients who subscribe to the document. type Yorkie struct { - lock sync.Mutex + lock gosync.Mutex conf *Config backend *backend.Backend @@ -42,20 +43,24 @@ type Yorkie struct { // New creates a new instance of Yorkie. func New(conf *Config) (*Yorkie, error) { - metricsServer, err := prometheus.NewServer(conf.Metrics) - if err != nil { - return nil, err - } + met := prometheus.NewMetrics() be, err := backend.New( conf.Backend, conf.Mongo, conf.ETCD, + conf.RPCAddr(), + met, ) if err != nil { return nil, err } + metricsServer, err := prometheus.NewServer(conf.Metrics, met) + if err != nil { + return nil, err + } + rpcServer, err := rpc.NewServer(conf.RPC, be) if err != nil { return nil, err @@ -117,3 +122,8 @@ func (r *Yorkie) ShutdownCh() <-chan struct{} { func (r *Yorkie) RPCAddr() string { return r.conf.RPCAddr() } + +// Members returns the members of this cluster. +func (r *Yorkie) Members() map[string]*sync.AgentInfo { + return r.backend.Members() +}