mirror of
https://github.com/seaweedfs/seaweedfs.git
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Add etcd filestore
This commit is contained in:
Feng Ye
parent
ca2b81a944
commit
fc0498798b
1
go.mod
1
go.mod
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@ -39,6 +39,7 @@ require (
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github.com/willf/bitset v1.1.10 // indirect
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github.com/willf/bloom v2.0.3+incompatible
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github.com/wsxiaoys/terminal v0.0.0-20160513160801-0940f3fc43a0 // indirect
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go.etcd.io/etcd v3.3.13+incompatible
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gocloud.dev v0.15.0
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gocloud.dev/pubsub/natspubsub v0.15.0
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gocloud.dev/pubsub/rabbitpubsub v0.15.0
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26
go.sum
26
go.sum
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@ -61,10 +61,15 @@ github.com/chrislusf/raft v0.0.0-20190225081310-10d6e2182d92 h1:lM9SFsh0EPXkyJyr
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github.com/chrislusf/raft v0.0.0-20190225081310-10d6e2182d92/go.mod h1:4jyiUCD5y548+yKW+oiHtccBiMaLCCbFBpK2t7X4eUo=
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github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
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github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
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github.com/coreos/bbolt v1.3.2 h1:wZwiHHUieZCquLkDL0B8UhzreNWsPHooDAG3q34zk0s=
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github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
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github.com/coreos/etcd v3.3.10+incompatible h1:jFneRYjIvLMLhDLCzuTuU4rSJUjRplcJQ7pD7MnhC04=
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github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
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github.com/coreos/go-semver v0.2.0 h1:3Jm3tLmsgAYcjC+4Up7hJrFBPr+n7rAqYeSw/SZazuY=
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github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
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github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8=
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github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
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github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f h1:lBNOc5arjvs8E5mO2tbpBpLoyyu8B6e44T7hJy6potg=
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github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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@ -88,6 +93,7 @@ github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV
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github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
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github.com/gabriel-vasile/mimetype v0.3.15 h1:qSK8E/VAF4pxtkxqarYRAVvYNDyCFJXKAYAyGNcESII=
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github.com/gabriel-vasile/mimetype v0.3.15/go.mod h1:kMJbg3SlWZCsj4R73F1WDzbT9AyGCOVmUtIxxwO5pmI=
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github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
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github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
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github.com/go-ini/ini v1.25.4/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
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github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
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@ -102,9 +108,11 @@ github.com/gocql/gocql v0.0.0-20190717234527-2ba2dd7440dc h1:m9VsbhR3h7mWKHLh5a+
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github.com/gocql/gocql v0.0.0-20190717234527-2ba2dd7440dc/go.mod h1:Q7Sru5153KG8D9zwueuQJB3ccJf9/bIwF/x8b3oKgT8=
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github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
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github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
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github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
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github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
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github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
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github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
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github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef h1:veQD95Isof8w9/WXiA+pa3tz3fJXkt5B7QaRBrM62gk=
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github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
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github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
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github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
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@ -140,10 +148,14 @@ github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51
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github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
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github.com/gorilla/mux v1.7.3 h1:gnP5JzjVOuiZD07fKKToCAOjS0yOpj/qPETTXCCS6hw=
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github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
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github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
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github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
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github.com/grpc-ecosystem/go-grpc-middleware v1.0.0 h1:Iju5GlWwrvL6UBg4zJJt3btmonfrMlCDdsejg4CZE7c=
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github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
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github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92BcuyuQ/YW4NSIpoGtfXNho=
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github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
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github.com/grpc-ecosystem/grpc-gateway v1.8.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
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github.com/grpc-ecosystem/grpc-gateway v1.9.0 h1:bM6ZAFZmc/wPFaRDi0d5L7hGEZEx/2u+Tmr2evNHDiI=
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github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
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github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed h1:5upAirOpQc1Q53c0bnx2ufif5kANL7bfZWcc6VJWJd8=
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github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed/go.mod h1:tMWxXQ9wFIaZeTI9F+hmhFiGpFmhOHzyShyFUhRm0H4=
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@ -164,6 +176,7 @@ github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8/go.mod h1:Nht
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github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM=
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github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
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github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
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github.com/jonboulle/clockwork v0.1.0 h1:VKV+ZcuP6l3yW9doeqz6ziZGgcynBVQO+obU0+0hcPo=
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github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
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github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
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github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
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@ -180,6 +193,7 @@ github.com/klauspost/crc32 v1.2.0 h1:0VuyqOCruD33/lJ/ojXNvzVyl8Zr5zdTmj9l9qLZ86I
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github.com/klauspost/crc32 v1.2.0/go.mod h1:+ZoRqAPRLkC4NPOvfYeR5KNOrY6TD+/sAC3HXPZgDYg=
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github.com/klauspost/reedsolomon v1.9.2 h1:E9CMS2Pqbv+C7tsrYad4YC9MfhnMVWhMRsTi7U0UB18=
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github.com/klauspost/reedsolomon v1.9.2/go.mod h1:CwCi+NUr9pqSVktrkN+Ondf06rkhYZ/pcNv7fu+8Un4=
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github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
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github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
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github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
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github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
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@ -266,7 +280,9 @@ github.com/satori/go.uuid v0.0.0-20181028125025-b2ce2384e17b h1:8O/3dJ2dGfuLVN0b
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github.com/satori/go.uuid v0.0.0-20181028125025-b2ce2384e17b/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
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github.com/seaweedfs/fuse v0.0.0-20190510212405-310228904eff h1:uLd5zBvf5OA67wcVRePHrFt60bR4LSskaVhgVwyk0Jg=
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github.com/seaweedfs/fuse v0.0.0-20190510212405-310228904eff/go.mod h1:cubdLmQFqEUZ9vNJrznhgc3m3VMAJi/nY2Ix2axXkG0=
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github.com/sirupsen/logrus v1.2.0 h1:juTguoYk5qI21pwyTXY3B3Y5cOTH3ZUyZCg1v/mihuo=
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github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
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github.com/soheilhy/cmux v0.1.4 h1:0HKaf1o97UwFjHH9o5XsHUOF+tqmdA7KEzXLpiyaw0E=
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github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
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github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
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github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI=
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@ -292,10 +308,12 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
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github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
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github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
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github.com/tidwall/pretty v0.0.0-20190325153808-1166b9ac2b65/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
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github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 h1:LnC5Kc/wtumK+WB441p7ynQJzVuNRJiqddSIE3IlSEQ=
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github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
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github.com/uber-go/atomic v1.3.2/go.mod h1:/Ct5t2lcmbJ4OSe/waGBoaVvVqtO0bmtfVNex1PFV8g=
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github.com/uber/jaeger-client-go v2.15.0+incompatible/go.mod h1:WVhlPFC8FDjOFMMWRy2pZqQJSXxYSwNYOkTr/Z6d3Kk=
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github.com/uber/jaeger-lib v1.5.0/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6+uUTzImX/AauajbLI56U=
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github.com/ugorji/go v1.1.4 h1:j4s+tAvLfL3bZyefP2SEWmhBzmuIlH/eqNuPdFPgngw=
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github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
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github.com/willf/bitset v1.1.10 h1:NotGKqX0KwQ72NUzqrjZq5ipPNDQex9lo3WpaS8L2sc=
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github.com/willf/bitset v1.1.10/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
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@ -305,9 +323,13 @@ github.com/wsxiaoys/terminal v0.0.0-20160513160801-0940f3fc43a0 h1:3UeQBvD0TFrlV
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github.com/wsxiaoys/terminal v0.0.0-20160513160801-0940f3fc43a0/go.mod h1:IXCdmsXIht47RaVFLEdVnh1t+pgYtTAhQGj73kz+2DM=
|
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github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c/go.mod h1:lB8K/P019DLNhemzwFU4jHLhdvlE6uDZjXFejJXr49I=
|
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github.com/xdg/stringprep v1.0.0/go.mod h1:Jhud4/sHMO4oL310DaZAKk9ZaJ08SJfe+sJh0HrGL1Y=
|
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github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 h1:eY9dn8+vbi4tKz5Qo6v2eYzo7kUS51QINcR5jNpbZS8=
|
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github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
|
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github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
|
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go.etcd.io/bbolt v1.3.2 h1:Z/90sZLPOeCy2PwprqkFa25PdkusRzaj9P8zm/KNyvk=
|
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go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
|
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go.etcd.io/etcd v3.3.13+incompatible h1:jCejD5EMnlGxFvcGRyEV4VGlENZc7oPQX6o0t7n3xbw=
|
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go.etcd.io/etcd v3.3.13+incompatible/go.mod h1:yaeTdrJi5lOmYerz05bd8+V7KubZs8YSFZfzsF9A6aI=
|
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go.mongodb.org/mongo-driver v1.0.1/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
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go.opencensus.io v0.15.0/go.mod h1:UffZAU+4sDEINUGP/B7UfBBkq4fqLu9zXAX7ke6CHW0=
|
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go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
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@ -316,8 +338,11 @@ go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
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go.opencensus.io v0.22.0 h1:C9hSCOW830chIVkdja34wa6Ky+IzWllkUinR+BtRZd4=
|
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go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
|
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go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
|
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go.uber.org/atomic v1.4.0 h1:cxzIVoETapQEqDhQu3QfnvXAV4AlzcvUCxkVUFw3+EU=
|
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go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
|
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go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI=
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go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
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go.uber.org/zap v1.10.0 h1:ORx85nbTijNz8ljznvCMR1ZBIPKFn3jQrag10X2AsuM=
|
||||
go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
|
||||
gocloud.dev v0.15.0 h1:Tl8dkOHWVZiYBYPxG2ouhpfmluoQGt3mY323DaAHaC8=
|
||||
gocloud.dev v0.15.0/go.mod h1:ShXCyJaGrJu9y/7a6+DSCyBb9MFGZ1P5wwPa0Wu6w34=
|
||||
|
|
@ -400,6 +425,7 @@ golang.org/x/text v0.3.1-0.20181227161524-e6919f6577db/go.mod h1:bEr9sfX3Q8Zfm5f
|
|||
golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
|
||||
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
|
||||
golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
|
||||
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 h1:SvFZT6jyqRaOeXpc5h/JSfZenJ2O330aBsf7JfSUXmQ=
|
||||
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
|
||||
golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
|
||||
golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
|
||||
|
|
|
|||
|
|
@ -145,6 +145,11 @@ addresses = [
|
|||
]
|
||||
password = ""
|
||||
|
||||
[etcd]
|
||||
enabled = false
|
||||
servers = "localhost:2379"
|
||||
timeout = "3s"
|
||||
|
||||
`
|
||||
|
||||
NOTIFICATION_TOML_EXAMPLE = `
|
||||
|
|
|
|||
186
weed/filer2/etcd/etcd_store.go
Normal file
186
weed/filer2/etcd/etcd_store.go
Normal file
|
|
@ -0,0 +1,186 @@
|
|||
package etcd
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"github.com/chrislusf/seaweedfs/weed/filer2"
|
||||
"github.com/chrislusf/seaweedfs/weed/glog"
|
||||
weed_util "github.com/chrislusf/seaweedfs/weed/util"
|
||||
"go.etcd.io/etcd/clientv3"
|
||||
)
|
||||
|
||||
const (
|
||||
DIR_FILE_SEPARATOR = byte(0x00)
|
||||
)
|
||||
|
||||
func init() {
|
||||
filer2.Stores = append(filer2.Stores, &EtcdStore{})
|
||||
}
|
||||
|
||||
type EtcdStore struct {
|
||||
client *clientv3.Client
|
||||
}
|
||||
|
||||
func (store *EtcdStore) GetName() string {
|
||||
return "etcd"
|
||||
}
|
||||
|
||||
func (store *EtcdStore) Initialize(configuration weed_util.Configuration) (err error) {
|
||||
servers := configuration.GetString("servers")
|
||||
if servers == "" {
|
||||
servers = "localhost:2379"
|
||||
}
|
||||
|
||||
timeout := configuration.GetString("timeout")
|
||||
if timeout == "" {
|
||||
timeout = "3s"
|
||||
}
|
||||
|
||||
return store.initialize(servers, timeout)
|
||||
}
|
||||
|
||||
func (store *EtcdStore) initialize(servers string, timeout string) (err error) {
|
||||
glog.Infof("filer store etcd: %s", servers)
|
||||
|
||||
to, err := time.ParseDuration(timeout)
|
||||
if err != nil {
|
||||
return fmt.Errorf("parse timeout %s: %s", timeout, err)
|
||||
}
|
||||
|
||||
store.client, err = clientv3.New(clientv3.Config{
|
||||
Endpoints: strings.Split(servers, ","),
|
||||
DialTimeout: to,
|
||||
})
|
||||
if err != nil {
|
||||
return fmt.Errorf("connect to etcd %s: %s", servers, err)
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func (store *EtcdStore) BeginTransaction(ctx context.Context) (context.Context, error) {
|
||||
return ctx, nil
|
||||
}
|
||||
func (store *EtcdStore) CommitTransaction(ctx context.Context) error {
|
||||
return nil
|
||||
}
|
||||
func (store *EtcdStore) RollbackTransaction(ctx context.Context) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
func (store *EtcdStore) InsertEntry(ctx context.Context, entry *filer2.Entry) (err error) {
|
||||
key := genKey(entry.DirAndName())
|
||||
|
||||
value, err := entry.EncodeAttributesAndChunks()
|
||||
if err != nil {
|
||||
return fmt.Errorf("encoding %s %+v: %v", entry.FullPath, entry.Attr, err)
|
||||
}
|
||||
|
||||
if _, err := store.client.Put(ctx, string(key), string(value)); err != nil {
|
||||
return fmt.Errorf("persisting %s : %v", entry.FullPath, err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (store *EtcdStore) UpdateEntry(ctx context.Context, entry *filer2.Entry) (err error) {
|
||||
return store.InsertEntry(ctx, entry)
|
||||
}
|
||||
|
||||
func (store *EtcdStore) FindEntry(ctx context.Context, fullpath filer2.FullPath) (entry *filer2.Entry, err error) {
|
||||
key := genKey(fullpath.DirAndName())
|
||||
|
||||
resp, err := store.client.Get(ctx, string(key))
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("get %s : %v", entry.FullPath, err)
|
||||
}
|
||||
|
||||
if len(resp.Kvs) == 0 {
|
||||
return nil, filer2.ErrNotFound
|
||||
}
|
||||
|
||||
entry = &filer2.Entry{
|
||||
FullPath: fullpath,
|
||||
}
|
||||
err = entry.DecodeAttributesAndChunks(resp.Kvs[0].Value)
|
||||
if err != nil {
|
||||
return entry, fmt.Errorf("decode %s : %v", entry.FullPath, err)
|
||||
}
|
||||
|
||||
return entry, nil
|
||||
}
|
||||
|
||||
func (store *EtcdStore) DeleteEntry(ctx context.Context, fullpath filer2.FullPath) (err error) {
|
||||
key := genKey(fullpath.DirAndName())
|
||||
|
||||
if _, err := store.client.Delete(ctx, string(key)); err != nil {
|
||||
return fmt.Errorf("delete %s : %v", fullpath, err)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (store *EtcdStore) ListDirectoryEntries(
|
||||
ctx context.Context, fullpath filer2.FullPath, startFileName string, inclusive bool, limit int,
|
||||
) (entries []*filer2.Entry, err error) {
|
||||
directoryPrefix := genDirectoryKeyPrefix(fullpath, "")
|
||||
|
||||
resp, err := store.client.Get(ctx, string(directoryPrefix),
|
||||
clientv3.WithPrefix(), clientv3.WithSort(clientv3.SortByKey, clientv3.SortDescend))
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("list %s : %v", fullpath, err)
|
||||
}
|
||||
|
||||
for _, kv := range resp.Kvs {
|
||||
fileName := getNameFromKey(kv.Key)
|
||||
if fileName == "" {
|
||||
continue
|
||||
}
|
||||
if fileName == startFileName && !inclusive {
|
||||
continue
|
||||
}
|
||||
limit--
|
||||
if limit < 0 {
|
||||
break
|
||||
}
|
||||
entry := &filer2.Entry{
|
||||
FullPath: filer2.NewFullPath(string(fullpath), fileName),
|
||||
}
|
||||
if decodeErr := entry.DecodeAttributesAndChunks(kv.Value); decodeErr != nil {
|
||||
err = decodeErr
|
||||
glog.V(0).Infof("list %s : %v", entry.FullPath, err)
|
||||
break
|
||||
}
|
||||
entries = append(entries, entry)
|
||||
}
|
||||
|
||||
return entries, err
|
||||
}
|
||||
|
||||
func genKey(dirPath, fileName string) (key []byte) {
|
||||
key = []byte(dirPath)
|
||||
key = append(key, DIR_FILE_SEPARATOR)
|
||||
key = append(key, []byte(fileName)...)
|
||||
return key
|
||||
}
|
||||
|
||||
func genDirectoryKeyPrefix(fullpath filer2.FullPath, startFileName string) (keyPrefix []byte) {
|
||||
keyPrefix = []byte(string(fullpath))
|
||||
keyPrefix = append(keyPrefix, DIR_FILE_SEPARATOR)
|
||||
if len(startFileName) > 0 {
|
||||
keyPrefix = append(keyPrefix, []byte(startFileName)...)
|
||||
}
|
||||
return keyPrefix
|
||||
}
|
||||
|
||||
func getNameFromKey(key []byte) string {
|
||||
sepIndex := len(key) - 1
|
||||
for sepIndex >= 0 && key[sepIndex] != DIR_FILE_SEPARATOR {
|
||||
sepIndex--
|
||||
}
|
||||
|
||||
return string(key[sepIndex+1:])
|
||||
}
|
||||
|
|
@ -15,6 +15,7 @@ import (
|
|||
|
||||
"github.com/chrislusf/seaweedfs/weed/filer2"
|
||||
_ "github.com/chrislusf/seaweedfs/weed/filer2/cassandra"
|
||||
_ "github.com/chrislusf/seaweedfs/weed/filer2/etcd"
|
||||
_ "github.com/chrislusf/seaweedfs/weed/filer2/leveldb"
|
||||
_ "github.com/chrislusf/seaweedfs/weed/filer2/leveldb2"
|
||||
_ "github.com/chrislusf/seaweedfs/weed/filer2/memdb"
|
||||
|
|
|
|||
Loading…
Reference in a new issue