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136 lines
3.6 KiB
136 lines
3.6 KiB
package filer2
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import (
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"os"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/spf13/viper"
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)
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const (
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FILER_TOML_EXAMPLE = `
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# A sample TOML config file for SeaweedFS filer store
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[memory]
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# local in memory, mostly for testing purpose
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enabled = false
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[leveldb]
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# local on disk, mostly for simple single-machine setup, fairly scalable
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enabled = false
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dir = "." # directory to store level db files
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####################################################
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# multiple filers on shared storage, fairly scalable
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####################################################
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[mysql]
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# CREATE TABLE IF NOT EXISTS filemeta (
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# dirhash BIGINT COMMENT 'first 64 bits of MD5 hash value of directory field',
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# name VARCHAR(1000) COMMENT 'directory or file name',
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# directory VARCHAR(4096) COMMENT 'full path to parent directory',
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# meta BLOB,
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# PRIMARY KEY (dirhash, name)
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# ) DEFAULT CHARSET=utf8;
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enabled = true
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hostname = "localhost"
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port = 3306
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username = "root"
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password = ""
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database = "" # create or use an existing database
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connection_max_idle = 2
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connection_max_open = 100
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[postgres]
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# CREATE TABLE IF NOT EXISTS filemeta (
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# dirhash BIGINT,
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# name VARCHAR(1000),
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# directory VARCHAR(4096),
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# meta bytea,
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# PRIMARY KEY (dirhash, name)
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# );
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enabled = false
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hostname = "localhost"
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port = 5432
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username = "postgres"
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password = ""
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database = "" # create or use an existing database
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sslmode = "disable"
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connection_max_idle = 100
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connection_max_open = 100
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[cassandra]
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# CREATE TABLE filemeta (
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# directory varchar,
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# name varchar,
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# meta blob,
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# PRIMARY KEY (directory, name)
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# ) WITH CLUSTERING ORDER BY (name ASC);
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enabled = false
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keyspace="seaweedfs"
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hosts=[
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"localhost:9042",
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]
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[redis]
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enabled = true
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address = "localhost:6379"
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password = ""
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db = 0
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`
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)
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var (
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Stores []FilerStore
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)
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func (f *Filer) LoadConfiguration() {
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// find a filer store
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viper.SetConfigName("filer") // name of config file (without extension)
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viper.AddConfigPath(".") // optionally look for config in the working directory
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viper.AddConfigPath("$HOME/.seaweedfs") // call multiple times to add many search paths
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viper.AddConfigPath("/etc/seaweedfs/") // path to look for the config file in
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if err := viper.ReadInConfig(); err != nil { // Handle errors reading the config file
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glog.Fatalf("Failed to load filer.toml file from current directory, or $HOME/.seaweedfs/, or /etc/seaweedfs/" +
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"\n\nPlease follow this example and add a filer.toml file to " +
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"current directory, or $HOME/.seaweedfs/, or /etc/seaweedfs/:\n" + FILER_TOML_EXAMPLE)
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}
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glog.V(0).Infof("Reading filer configuration from %s", viper.ConfigFileUsed())
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for _, store := range Stores {
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if viper.GetBool(store.GetName() + ".enabled") {
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viperSub := viper.Sub(store.GetName())
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if err := store.Initialize(viperSub); err != nil {
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glog.Fatalf("Failed to initialize store for %s: %+v",
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store.GetName(), err)
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}
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f.SetStore(store)
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glog.V(0).Infof("Configure filer for %s from %s", store.GetName(), viper.ConfigFileUsed())
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return
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}
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}
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println()
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println("Supported filer stores are:")
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for _, store := range Stores {
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println(" " + store.GetName())
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}
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println()
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println("Please configure a supported filer store in", viper.ConfigFileUsed())
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println()
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os.Exit(-1)
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}
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// A simplified interface to decouple from Viper
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type Configuration interface {
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GetString(key string) string
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GetBool(key string) bool
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GetInt(key string) int
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GetInt64(key string) int64
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GetFloat64(key string) float64
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GetStringSlice(key string) []string
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}
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