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131 lines
3.9 KiB
131 lines
3.9 KiB
package weed_server
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"time"
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"github.com/chrislusf/seaweedfs/weed/operation"
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"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
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"github.com/chrislusf/seaweedfs/weed/stats"
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"github.com/chrislusf/seaweedfs/weed/util"
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"google.golang.org/grpc"
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"github.com/chrislusf/seaweedfs/weed/filer2"
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_ "github.com/chrislusf/seaweedfs/weed/filer2/cassandra"
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_ "github.com/chrislusf/seaweedfs/weed/filer2/leveldb"
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_ "github.com/chrislusf/seaweedfs/weed/filer2/leveldb2"
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_ "github.com/chrislusf/seaweedfs/weed/filer2/memdb"
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_ "github.com/chrislusf/seaweedfs/weed/filer2/mysql"
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_ "github.com/chrislusf/seaweedfs/weed/filer2/postgres"
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_ "github.com/chrislusf/seaweedfs/weed/filer2/redis"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/notification"
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_ "github.com/chrislusf/seaweedfs/weed/notification/aws_sqs"
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_ "github.com/chrislusf/seaweedfs/weed/notification/gocdk_pub_sub"
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_ "github.com/chrislusf/seaweedfs/weed/notification/google_pub_sub"
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_ "github.com/chrislusf/seaweedfs/weed/notification/kafka"
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_ "github.com/chrislusf/seaweedfs/weed/notification/log"
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"github.com/chrislusf/seaweedfs/weed/security"
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"github.com/spf13/viper"
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)
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type FilerOption struct {
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Masters []string
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Collection string
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DefaultReplication string
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RedirectOnRead bool
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DisableDirListing bool
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MaxMB int
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DirListingLimit int
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DataCenter string
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DefaultLevelDbDir string
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DisableHttp bool
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Port int
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}
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type FilerServer struct {
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option *FilerOption
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secret security.SigningKey
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filer *filer2.Filer
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grpcDialOption grpc.DialOption
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}
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func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption) (fs *FilerServer, err error) {
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fs = &FilerServer{
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option: option,
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grpcDialOption: security.LoadClientTLS(viper.Sub("grpc"), "filer"),
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}
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if len(option.Masters) == 0 {
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glog.Fatal("master list is required!")
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}
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fs.filer = filer2.NewFiler(option.Masters, fs.grpcDialOption)
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go fs.filer.KeepConnectedToMaster()
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v := viper.GetViper()
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if !util.LoadConfiguration("filer", false) {
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v.Set("leveldb2.enabled", true)
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v.Set("leveldb2.dir", option.DefaultLevelDbDir)
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_, err := os.Stat(option.DefaultLevelDbDir)
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if os.IsNotExist(err) {
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os.MkdirAll(option.DefaultLevelDbDir, 0755)
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}
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}
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util.LoadConfiguration("notification", false)
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fs.filer.LoadConfiguration(v)
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notification.LoadConfiguration(v.Sub("notification"))
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handleStaticResources(defaultMux)
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if !option.DisableHttp {
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defaultMux.HandleFunc("/", fs.filerHandler)
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}
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if defaultMux != readonlyMux {
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readonlyMux.HandleFunc("/", fs.readonlyFilerHandler)
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}
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maybeStartMetrics(fs, option)
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return fs, nil
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}
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func maybeStartMetrics(fs *FilerServer, option *FilerOption) {
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isConnected := false
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var metricsAddress string
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var metricsIntervalSec int
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var readErr error
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for !isConnected {
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metricsAddress, metricsIntervalSec, readErr = readFilerConfiguration(fs.grpcDialOption, option.Masters[0])
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if readErr == nil {
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isConnected = true
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} else {
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time.Sleep(7 * time.Second)
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}
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}
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if metricsAddress == "" && metricsIntervalSec <= 0 {
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return
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}
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go stats.LoopPushingMetric("filer", stats.SourceName(option.Port), stats.FilerGather,
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func() (addr string, intervalSeconds int) {
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return metricsAddress, metricsIntervalSec
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})
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}
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func readFilerConfiguration(grpcDialOption grpc.DialOption, masterGrpcAddress string) (metricsAddress string, metricsIntervalSec int, err error) {
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err = operation.WithMasterServerClient(masterGrpcAddress, grpcDialOption, func(masterClient master_pb.SeaweedClient) error {
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resp, err := masterClient.GetMasterConfiguration(context.Background(), &master_pb.GetMasterConfigurationRequest{})
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if err != nil {
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return fmt.Errorf("get master %s configuration: %v", masterGrpcAddress, err)
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}
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metricsAddress, metricsIntervalSec = resp.MetricsAddress, int(resp.MetricsIntervalSeconds)
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return nil
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})
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return
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}
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