Add log formatting settings

cmd/proxy/actions/basicauth_test.go

@@ -70,7 +70,7 @@ func TestBasicAuth(t *testing.T) {
 			w := httptest.NewRecorder()
 			r := httptest.NewRequest(http.MethodGet, tc.path, nil)
 			r.SetBasicAuth(tc.user, tc.pass)
-			lggr := log.New("none", logrus.DebugLevel)
+			lggr := log.New("none", logrus.DebugLevel, "")
 			buf := &bytes.Buffer{}
 			lggr.Out = buf
 			ctx := log.SetEntryInContext(context.Background(), lggr)

cmd/proxy/main.go

@@ -42,7 +42,7 @@ func main() {
 		stdlog.Fatalf("Could not parse log level %q: %v", conf.LogLevel, err)
 	}
 
-	logger := athenslog.New(conf.CloudRuntime, logLvl)
+	logger := athenslog.New(conf.CloudRuntime, logLvl, conf.LogFormat)
 
 	// Turn standard logger output into logrus Errors.
 	logrusErrorWriter := logger.WriterLevel(logrus.ErrorLevel)

config.dev.toml

@@ -78,6 +78,11 @@ ProtocolWorkers = 30
 # Env override: ATHENS_LOG_LEVEL
 LogLevel = "debug"
 
+# LogFormat determines the format that logs are output in. Defaults to json.
+# It is only used when CloudRuntime is set to none. Values can be "plain" or "json".
+# Env override: ATHENS_LOG_FORMAT
+LogFormat = "json"
+
 # CloudRuntime is the Cloud Provider on which the Proxy/Registry is running.
 # Currently available options are "GCP", or "none". Defaults to "none"
 # Env override: ATHENS_CLOUD_RUNTIME

go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/aws/aws-sdk-go v1.44.220
 	github.com/bsm/redislock v0.7.2
 	github.com/fatih/color v1.13.0
+	github.com/go-playground/validator/v10 v10.19.0
 	github.com/go-redis/redis/v8 v8.11.4
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/gobuffalo/envy v1.7.0
@@ -40,7 +41,6 @@ require (
 	golang.org/x/oauth2 v0.11.0
 	golang.org/x/sync v0.3.0
 	google.golang.org/api v0.126.0
-	gopkg.in/go-playground/validator.v9 v9.20.2
 )
 
 require (
@@ -64,8 +64,9 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/dustin/go-humanize v1.0.0 // indirect
-	github.com/go-playground/locales v0.12.1 // indirect
-	github.com/go-playground/universal-translator v0.16.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-stack/stack v1.8.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang-jwt/jwt/v4 v4.4.2 // indirect
@@ -88,6 +89,7 @@ require (
 	github.com/klauspost/compress v1.9.5 // indirect
 	github.com/klauspost/cpuid v1.2.3 // indirect
 	github.com/kylelemons/godebug v1.1.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/markbates/hmax v1.0.0 // indirect
 	github.com/mattn/go-colorable v0.1.9 // indirect
 	github.com/mattn/go-ieproxy v0.0.0-20190702010315-6dee0af9227d // indirect
@@ -132,9 +134,9 @@ require (
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.7.0 // indirect
 	go.uber.org/zap v1.21.0 // indirect
-	golang.org/x/crypto v0.17.0 // indirect
-	golang.org/x/net v0.17.0 // indirect
-	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/crypto v0.21.0 // indirect
+	golang.org/x/net v0.22.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba // indirect
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
@@ -145,7 +147,6 @@ require (
 	google.golang.org/grpc v1.59.0 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect
 	gopkg.in/DataDog/dd-trace-go.v1 v1.10.0 // indirect
-	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
 	gopkg.in/ini.v1 v1.42.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect

go.sum

@@ -160,6 +160,8 @@ github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYF
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
+github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0=
+github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
@@ -170,10 +172,13 @@ github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vb
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
-github.com/go-playground/locales v0.12.1 h1:2FITxuFt/xuCNP1Acdhv62OzaCiviiE4kotfhkmOqEc=
-github.com/go-playground/locales v0.12.1/go.mod h1:IUMDtCfWo/w/mtMfIE/IG2K+Ey3ygWanZIBtBW0W2TM=
-github.com/go-playground/universal-translator v0.16.0 h1:X++omBR/4cE2MNg91AoC3rmGrCjJ8eAeUP/K/EKx4DM=
-github.com/go-playground/universal-translator v0.16.0/go.mod h1:1AnU7NaIRDWWzGEKwgtJRd2xk99HeFyHw3yid4rvQIY=
+github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
+github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
+github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
+github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
+github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
+github.com/go-playground/validator/v10 v10.19.0 h1:ol+5Fu+cSq9JD7SoSqe04GMI92cbn0+wvQ3bZ8b/AU4=
+github.com/go-playground/validator/v10 v10.19.0/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM=
 github.com/go-redis/redis/v8 v8.11.4 h1:kHoYkfZP6+pe04aFTnhDH6GDROa5yJdHJVNxV3F46Tg=
 github.com/go-redis/redis/v8 v8.11.4/go.mod h1:2Z2wHZXdQpCDXEGzqMockDpNyYvi2l4Pxt6RJr792+w=
 github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfCHuOE=
@@ -375,6 +380,8 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348/go.mod h1:B69LEHPfb2qLo0BaaOLcbitczOKLWTsrBG9LczfCD4k=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
+github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
+github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
 github.com/lib/pq v1.10.7 h1:p7ZhMD+KsSRozJr34udlUrhboJwWAgCg34+/ZZNvZZw=
 github.com/lib/pq v1.10.7/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/markbates/hmax v1.0.0 h1:yo2N0gBoCnUMKhV/VRLHomT6Y9wUm+oQQENuWJqCdlM=
@@ -599,8 +606,8 @@ golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20220314234659-1baeb1ce4c0b/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
-golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
-golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
+golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -684,8 +691,8 @@ golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco=
-golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
-golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
+golang.org/x/net v0.22.0 h1:9sGLhx7iRIHEiX0oAJ3MRZMUCElJgy7Br1nO+AMN3Tc=
+golang.org/x/net v0.22.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -772,8 +779,8 @@ golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
-golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
@@ -980,10 +987,6 @@ gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogR
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
-gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
-gopkg.in/go-playground/validator.v9 v9.20.2 h1:6AVDyt8bk0FDiSYSeWivUfzqEjHyVSCMRkpTr6ZCIgk=
-gopkg.in/go-playground/validator.v9 v9.20.2/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
 gopkg.in/ini.v1 v1.42.0 h1:7N3gPTt50s8GuLortA00n8AqRTk75qOP98+mTPpgzRk=
 gopkg.in/ini.v1 v1.42.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=

pkg/config/config.go

@@ -10,10 +10,10 @@ import (
 	"strings"
 
 	"github.com/BurntSushi/toml"
+	"github.com/go-playground/validator/v10"
 	"github.com/gomods/athens/pkg/download/mode"
 	"github.com/gomods/athens/pkg/errors"
 	"github.com/kelseyhightower/envconfig"
-	"gopkg.in/go-playground/validator.v9"
 )
 
 const defaultConfigFile = "athens.toml"
@@ -28,7 +28,8 @@ type Config struct {
 	GoGetDir         string    `envconfig:"ATHENS_GOGET_DIR"`
 	ProtocolWorkers  int       `validate:"required" envconfig:"ATHENS_PROTOCOL_WORKERS"`
 	LogLevel         string    `validate:"required" envconfig:"ATHENS_LOG_LEVEL"`
-	CloudRuntime     string    `validate:"required" envconfig:"ATHENS_CLOUD_RUNTIME"`
+	LogFormat        string    `validate:"oneof='' 'json' 'plain'" envconfig:"ATHENS_LOG_FORMAT"`
+	CloudRuntime     string    `validate:"required_without=LogFormat" envconfig:"ATHENS_CLOUD_RUNTIME"`
 	EnablePprof      bool      `envconfig:"ATHENS_ENABLE_PPROF"`
 	PprofPort        string    `envconfig:"ATHENS_PPROF_PORT"`
 	FilterFile       string    `envconfig:"ATHENS_FILTER_FILE"`

pkg/log/format.go

@@ -64,6 +64,10 @@ func sortFields(data logrus.Fields) []string {
 	return keys
 }
 
-func getDefaultFormatter() logrus.Formatter {
+func parseFormat(format string) logrus.Formatter {
+	if format == "plain" {
+		return &logrus.TextFormatter{}
+	}
+
 	return &logrus.JSONFormatter{}
 }

pkg/log/log.go

@@ -14,15 +14,15 @@ type Logger struct {
 // environment and the cloud platform it is
 // running on. TODO: take cloud arg and env
 // to construct the correct JSON formatter.
-func New(cloudProvider string, level logrus.Level) *Logger {
+func New(cloudProvider string, level logrus.Level, format string) *Logger {
 	l := logrus.New()
 	switch cloudProvider {
 	case "GCP":
 		l.Formatter = getGCPFormatter()
 	case "none":
 		l.Formatter = getDevFormatter()
 	default:
-		l.Formatter = getDefaultFormatter()
+		l.Formatter = parseFormat(format)
 	}
 	l.Level = level
 	return &Logger{Logger: l}

pkg/log/log_test.go

@@ -14,6 +14,7 @@ import (
 type input struct {
 	name          string
 	cloudProvider string
+	format        string
 	level         logrus.Level
 	fields        logrus.Fields
 	logFunc       func(e Entry) time.Time
@@ -82,10 +83,10 @@ var testCases = []input{
 		output: `{"message":"warn message","severity":"warning","timestamp":"%v"}` + "\n",
 	},
 	{
-		name:          "default",
-		cloudProvider: "default",
-		level:         logrus.DebugLevel,
-		fields:        logrus.Fields{"xyz": "abc", "abc": "xyz"},
+		name:   "default json",
+		format: "json",
+		level:  logrus.DebugLevel,
+		fields: logrus.Fields{"xyz": "abc", "abc": "xyz"},
 		logFunc: func(e Entry) time.Time {
 			t := time.Now()
 			e.Warnf("warn message")
@@ -98,7 +99,7 @@ var testCases = []input{
 func TestCloudLogger(t *testing.T) {
 	for _, tc := range testCases {
 		t.Run(tc.name, func(t *testing.T) {
-			lggr := New(tc.cloudProvider, tc.level)
+			lggr := New(tc.cloudProvider, tc.level, "")
 			var buf bytes.Buffer
 			lggr.Out = &buf
 			e := lggr.WithFields(tc.fields)

pkg/middleware/log_entry_test.go

@@ -24,7 +24,7 @@ func TestLogContext(t *testing.T) {
 	r.HandleFunc("/test", h)
 
 	var buf bytes.Buffer
-	lggr := log.New("", logrus.DebugLevel)
+	lggr := log.New("", logrus.DebugLevel, "")
 	lggr.Formatter = &logrus.JSONFormatter{DisableTimestamp: true}
 	lggr.Out = &buf