seaweedfs/weed/server/filer_server.go

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package weed_server
import (
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"net/http"
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"github.com/chrislusf/seaweedfs/weed/filer2"
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_ "github.com/chrislusf/seaweedfs/weed/filer2/cassandra"
_ "github.com/chrislusf/seaweedfs/weed/filer2/leveldb"
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_ "github.com/chrislusf/seaweedfs/weed/filer2/memdb"
_ "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"
_ "github.com/chrislusf/seaweedfs/weed/notification/kafka"
_ "github.com/chrislusf/seaweedfs/weed/notification/log"
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"github.com/chrislusf/seaweedfs/weed/security"
"github.com/spf13/viper"
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)
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type FilerOption struct {
Masters []string
Collection string
DefaultReplication string
RedirectOnRead bool
DisableDirListing bool
MaxMB int
SecretKey string
DirListingLimit int
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DataCenter string
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}
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type FilerServer struct {
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option *FilerOption
secret security.Secret
filer *filer2.Filer
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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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}
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if len(option.Masters) == 0 {
glog.Fatal("master list is required!")
}
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fs.filer = filer2.NewFiler(option.Masters)
go fs.filer.KeepConnectedToMaster()
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LoadConfiguration("filer", true)
v := viper.GetViper()
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fs.filer.LoadConfiguration(v)
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notification.LoadConfiguration(v.Sub("notification"))
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defaultMux.HandleFunc("/favicon.ico", faviconHandler)
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defaultMux.HandleFunc("/", fs.filerHandler)
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if defaultMux != readonlyMux {
readonlyMux.HandleFunc("/", fs.readonlyFilerHandler)
}
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return fs, nil
}
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func (fs *FilerServer) jwt(fileId string) security.EncodedJwt {
return security.GenJwt(fs.secret, fileId)
}
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func LoadConfiguration(configFileName string, required bool) {
// find a filer store
viper.SetConfigName(configFileName) // name of config file (without extension)
viper.AddConfigPath(".") // optionally look for config in the working directory
viper.AddConfigPath("$HOME/.seaweedfs") // call multiple times to add many search paths
viper.AddConfigPath("/etc/seaweedfs/") // path to look for the config file in
glog.V(0).Infof("Reading %s.toml from %s", configFileName, viper.ConfigFileUsed())
if err := viper.ReadInConfig(); err != nil { // Handle errors reading the config file
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glog.V(0).Infof("Reading %s: %v", viper.ConfigFileUsed(), err)
if required {
glog.Fatalf("Failed to load %s.toml file from current directory, or $HOME/.seaweedfs/, or /etc/seaweedfs/"+
"\n\nPlease follow this example and add a filer.toml file to "+
"current directory, or $HOME/.seaweedfs/, or /etc/seaweedfs/:\n"+
" https://github.com/chrislusf/seaweedfs/blob/master/weed/%s.toml\n",
configFileName, configFileName)
}
}
}