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83 lines
2.1 KiB
Go
83 lines
2.1 KiB
Go
package msgqueue
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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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MSG_QUEUE_TOML_EXAMPLE = `
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# A sample TOML config file for SeaweedFS message queue
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[log]
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enabled = true
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[kafka]
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enabled = false
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hosts = [
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"localhost:9092"
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]
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topic = "seaweedfs_filer"
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`
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)
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var (
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MessageQueues []MessageQueue
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Queue MessageQueue
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)
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func LoadConfiguration() {
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// find a filer store
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viper.SetConfigName("message_queue") // 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 message_queue.toml file from current directory, or $HOME/.seaweedfs/, "+
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"or /etc/seaweedfs/"+
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"\n\nPlease follow this example and add a message_queue.toml file to "+
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"current directory, or $HOME/.seaweedfs/, or /etc/seaweedfs/:\n"+MSG_QUEUE_TOML_EXAMPLE)
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}
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glog.V(0).Infof("Reading message queue configuration from %s", viper.ConfigFileUsed())
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for _, store := range MessageQueues {
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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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Queue = store
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glog.V(0).Infof("Configure message queue 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 message queues are:")
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for _, store := range MessageQueues {
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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 message queue 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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