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@ -20,19 +20,21 @@ import ( |
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) |
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type SyncOptions struct { |
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isActivePassive *bool |
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filerA *string |
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filerB *string |
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aPath *string |
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bPath *string |
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aReplication *string |
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bReplication *string |
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aCollection *string |
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bCollection *string |
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aTtlSec *int |
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bTtlSec *int |
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aDebug *bool |
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bDebug *bool |
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isActivePassive *bool |
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filerA *string |
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filerB *string |
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aPath *string |
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bPath *string |
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aReplication *string |
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bReplication *string |
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aCollection *string |
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bCollection *string |
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aTtlSec *int |
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bTtlSec *int |
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aDebug *bool |
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bDebug *bool |
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aProxyByFiler *bool |
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bProxyByFiler *bool |
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} |
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var ( |
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@ -43,7 +45,7 @@ var ( |
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func init() { |
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cmdFilerSynchronize.Run = runFilerSynchronize // break init cycle
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syncOptions.isActivePassive = cmdFilerSynchronize.Flag.Bool("isActivePassive", false, "one directional follow if true") |
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syncOptions.isActivePassive = cmdFilerSynchronize.Flag.Bool("isActivePassive", false, "one directional follow from A to B if true") |
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syncOptions.filerA = cmdFilerSynchronize.Flag.String("a", "", "filer A in one SeaweedFS cluster") |
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syncOptions.filerB = cmdFilerSynchronize.Flag.String("b", "", "filer B in the other SeaweedFS cluster") |
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syncOptions.aPath = cmdFilerSynchronize.Flag.String("a.path", "/", "directory to sync on filer A") |
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@ -54,6 +56,8 @@ func init() { |
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syncOptions.bCollection = cmdFilerSynchronize.Flag.String("b.collection", "", "collection on filer B") |
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syncOptions.aTtlSec = cmdFilerSynchronize.Flag.Int("a.ttlSec", 0, "ttl in seconds on filer A") |
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syncOptions.bTtlSec = cmdFilerSynchronize.Flag.Int("b.ttlSec", 0, "ttl in seconds on filer B") |
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syncOptions.aProxyByFiler = cmdFilerSynchronize.Flag.Bool("a.filerProxy", true, "read and write file chunks by filer A instead of volume servers") |
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syncOptions.bProxyByFiler = cmdFilerSynchronize.Flag.Bool("b.filerProxy", true, "read and write file chunks by filer B instead of volume servers") |
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syncOptions.aDebug = cmdFilerSynchronize.Flag.Bool("a.debug", false, "debug mode to print out filer A received files") |
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syncOptions.bDebug = cmdFilerSynchronize.Flag.Bool("b.debug", false, "debug mode to print out filer B received files") |
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syncCpuProfile = cmdFilerSynchronize.Flag.String("cpuprofile", "", "cpu profile output file") |
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@ -62,8 +66,8 @@ func init() { |
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var cmdFilerSynchronize = &Command{ |
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UsageLine: "filer.sync -a=<oneFilerHost>:<oneFilerPort> -b=<otherFilerHost>:<otherFilerPort>", |
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Short: "continuously synchronize between two active-active or active-passive SeaweedFS clusters", |
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Long: `continuously synchronize file changes between two active-active or active-passive filers |
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Short: "resumeable continuous synchronization between two active-active or active-passive SeaweedFS clusters", |
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Long: `resumeable continuous synchronization for file changes between two active-active or active-passive filers |
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filer.sync listens on filer notifications. If any file is updated, it will fetch the updated content, |
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and write to the other destination. Different from filer.replicate: |
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@ -86,8 +90,9 @@ func runFilerSynchronize(cmd *Command, args []string) bool { |
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go func() { |
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for { |
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err := doSubscribeFilerMetaChanges(grpcDialOption, *syncOptions.filerA, *syncOptions.aPath, *syncOptions.filerB, |
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*syncOptions.bPath, *syncOptions.bReplication, *syncOptions.bCollection, *syncOptions.bTtlSec, *syncOptions.bDebug) |
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err := doSubscribeFilerMetaChanges(grpcDialOption, *syncOptions.filerA, *syncOptions.aPath, *syncOptions.aProxyByFiler, |
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*syncOptions.filerB, *syncOptions.bPath, *syncOptions.bReplication, *syncOptions.bCollection, *syncOptions.bTtlSec, *syncOptions.bProxyByFiler, |
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*syncOptions.bDebug) |
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if err != nil { |
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glog.Errorf("sync from %s to %s: %v", *syncOptions.filerA, *syncOptions.filerB, err) |
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time.Sleep(1747 * time.Millisecond) |
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@ -98,8 +103,9 @@ func runFilerSynchronize(cmd *Command, args []string) bool { |
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if !*syncOptions.isActivePassive { |
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go func() { |
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for { |
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err := doSubscribeFilerMetaChanges(grpcDialOption, *syncOptions.filerB, *syncOptions.bPath, *syncOptions.filerA, |
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*syncOptions.aPath, *syncOptions.aReplication, *syncOptions.aCollection, *syncOptions.aTtlSec, *syncOptions.aDebug) |
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err := doSubscribeFilerMetaChanges(grpcDialOption, *syncOptions.filerB, *syncOptions.bPath, *syncOptions.bProxyByFiler, |
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*syncOptions.filerA, *syncOptions.aPath, *syncOptions.aReplication, *syncOptions.aCollection, *syncOptions.aTtlSec, *syncOptions.aProxyByFiler, |
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*syncOptions.aDebug) |
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if err != nil { |
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glog.Errorf("sync from %s to %s: %v", *syncOptions.filerB, *syncOptions.filerA, err) |
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time.Sleep(2147 * time.Millisecond) |
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@ -113,8 +119,8 @@ func runFilerSynchronize(cmd *Command, args []string) bool { |
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return true |
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} |
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func doSubscribeFilerMetaChanges(grpcDialOption grpc.DialOption, sourceFiler, sourcePath, targetFiler, targetPath string, |
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replicationStr, collection string, ttlSec int, debug bool) error { |
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func doSubscribeFilerMetaChanges(grpcDialOption grpc.DialOption, sourceFiler, sourcePath string, sourceReadChunkFromFiler bool, targetFiler, targetPath string, |
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replicationStr, collection string, ttlSec int, sinkWriteChunkByFiler, debug bool) error { |
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// read source filer signature
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sourceFilerSignature, sourceErr := replication.ReadFilerSignature(grpcDialOption, sourceFiler) |
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@ -138,9 +144,9 @@ func doSubscribeFilerMetaChanges(grpcDialOption grpc.DialOption, sourceFiler, so |
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// create filer sink
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filerSource := &source.FilerSource{} |
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filerSource.DoInitialize(pb.ServerToGrpcAddress(sourceFiler), sourcePath) |
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filerSource.DoInitialize(sourceFiler, pb.ServerToGrpcAddress(sourceFiler), sourcePath, sourceReadChunkFromFiler) |
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filerSink := &filersink.FilerSink{} |
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filerSink.DoInitialize(pb.ServerToGrpcAddress(targetFiler), targetPath, replicationStr, collection, ttlSec, grpcDialOption) |
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filerSink.DoInitialize(targetFiler, pb.ServerToGrpcAddress(targetFiler), targetPath, replicationStr, collection, ttlSec, grpcDialOption, sinkWriteChunkByFiler) |
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filerSink.SetSourceFiler(filerSource) |
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processEventFn := func(resp *filer_pb.SubscribeMetadataResponse) error { |
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