14324: Use logrus in Azure driver. Fix Sirupsen->sirupsen in imports

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

diff --git a/services/keepstore/config.go b/services/keepstore/config.go
index 9c318d1245abcb285634ed46eaf17ddcabe300b2..2bd989de30c1bffc020777ba1ecbb895591570cf 100644 (file)
--- a/services/keepstore/config.go
+++ b/services/keepstore/config.go
@@ -1,3 +1,7 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
 package main
 
 import (
@@ -5,16 +9,19 @@ import (
        "encoding/json"
        "fmt"
        "io/ioutil"
-       "log"
        "strings"
        "time"
 
        "git.curoverse.com/arvados.git/sdk/go/arvados"
+       "github.com/sirupsen/logrus"
 )
 
 type Config struct {
+       Debug  bool
        Listen string
 
+       LogFormat string
+
        PIDFile string
 
        MaxBuffers  int
@@ -27,19 +34,42 @@ type Config struct {
        EnableDelete        bool
        TrashLifetime       arvados.Duration
        TrashCheckInterval  arvados.Duration
+       PullWorkers         int
+       TrashWorkers        int
+       EmptyTrashWorkers   int
+       TLSCertificateFile  string
+       TLSKeyFile          string
 
        Volumes VolumeList
 
        blobSigningKey  []byte
        systemAuthToken string
+       debugLogf       func(string, ...interface{})
+
+       ManagementToken string
 }
 
-var theConfig = DefaultConfig()
+var (
+       theConfig = DefaultConfig()
+       formatter = map[string]logrus.Formatter{
+               "text": &logrus.TextFormatter{
+                       FullTimestamp:   true,
+                       TimestampFormat: rfc3339NanoFixed,
+               },
+               "json": &logrus.JSONFormatter{
+                       TimestampFormat: rfc3339NanoFixed,
+               },
+       }
+       log = logrus.StandardLogger()
+)
+
+const rfc3339NanoFixed = "2006-01-02T15:04:05.000000000Z07:00"
 
 // DefaultConfig returns the default configuration.
 func DefaultConfig() *Config {
        return &Config{
                Listen:             ":25107",
+               LogFormat:          "json",
                MaxBuffers:         128,
                RequireSignatures:  true,
                BlobSignatureTTL:   arvados.Duration(14 * 24 * time.Hour),
@@ -52,6 +82,21 @@ 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 {
+               log.Level = logrus.DebugLevel
+               cfg.debugLogf = log.Printf
+               cfg.debugLogf("debugging enabled")
+       } else {
+               log.Level = logrus.InfoLevel
+               cfg.debugLogf = func(string, ...interface{}) {}
+       }
+
+       f := formatter[strings.ToLower(cfg.LogFormat)]
+       if f == nil {
+               return fmt.Errorf(`unsupported log format %q (try "text" or "json")`, cfg.LogFormat)
+       }
+       log.Formatter = f
+
        if cfg.MaxBuffers < 0 {
                return fmt.Errorf("MaxBuffers must be greater than zero")
        }
@@ -113,9 +158,9 @@ var VolumeTypes = []func() VolumeWithExamples{}
 
 type VolumeList []Volume
 
-// UnmarshalJSON, given an array of objects, deserializes each object
-// as the volume type indicated by the object's Type field.
-func (vols *VolumeList) UnmarshalJSON(data []byte) error {
+// UnmarshalJSON -- given an array of objects -- deserializes each
+// object as the volume type indicated by the object's Type field.
+func (vl *VolumeList) UnmarshalJSON(data []byte) error {
        typeMap := map[string]func() VolumeWithExamples{}
        for _, factory := range VolumeTypes {
                t := factory().Type()
@@ -148,7 +193,7 @@ func (vols *VolumeList) UnmarshalJSON(data []byte) error {
                if err != nil {
                        return err
                }
-               *vols = append(*vols, vol)
+               *vl = append(*vl, vol)
        }
        return nil
 }