10383: Merge branch 'master' into 10383-arv-put-incremental-upload

[arvados.git] / services / keepstore / config.go

diff --git a/services/keepstore/config.go b/services/keepstore/config.go
index 9c318d1245abcb285634ed46eaf17ddcabe300b2..dc06ef549877ba0316294e4a0e7767393ef4436d 100644 (file)
--- a/services/keepstore/config.go
+++ b/services/keepstore/config.go
@@ -13,6 +13,7 @@ import (
 )
 
 type Config struct {
+       Debug  bool
        Listen string
 
        PIDFile string
@@ -32,6 +33,7 @@ type Config struct {
 
        blobSigningKey  []byte
        systemAuthToken string
+       debugLogf       func(string, ...interface{})
 }
 
 var theConfig = DefaultConfig()
@@ -52,6 +54,13 @@ func DefaultConfig() *Config {
 // Start should be called exactly once: after setting all public
 // fields, and before using the config.
 func (cfg *Config) Start() error {
+       if cfg.Debug {
+               cfg.debugLogf = log.Printf
+               cfg.debugLogf("debugging enabled")
+       } else {
+               cfg.debugLogf = func(string, ...interface{}) {}
+       }
+
        if cfg.MaxBuffers < 0 {
                return fmt.Errorf("MaxBuffers must be greater than zero")
        }