turn hidden --trace into a NOP

The --trace has helped in early stages analyze Podman code.  However,
it's contributing to dependency and binary bloat.  The standard go
tooling can also help in profiling, so let's turn `--trace` into a NOP.

[NO TESTS NEEDED]

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

6 files changed, 0 insertions, 480 deletions

diff --git a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/README.md b/vendor/github.com/uber/jaeger-client-go/rpcmetrics/README.md
deleted file mode 100644
index 879948e9c..000000000
--- a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/README.md
+++ /dev/null
@@ -1,5 +0,0 @@
-An Observer that can be used to emit RPC metrics
-================================================
-
-It can be attached to the tracer during tracer construction.
-See `ExampleObserver` function in [observer_test.go](./observer_test.go).
diff --git a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/doc.go b/vendor/github.com/uber/jaeger-client-go/rpcmetrics/doc.go
deleted file mode 100644
index 51aa11b35..000000000
--- a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/doc.go
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package rpcmetrics implements an Observer that can be used to emit RPC metrics.
-package rpcmetrics
diff --git a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/endpoints.go b/vendor/github.com/uber/jaeger-client-go/rpcmetrics/endpoints.go
deleted file mode 100644
index 30555243d..000000000
--- a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/endpoints.go
+++ /dev/null
@@ -1,63 +0,0 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package rpcmetrics
-
-import "sync"
-
-// normalizedEndpoints is a cache for endpointName -> safeName mappings.
-type normalizedEndpoints struct {
-	names       map[string]string
-	maxSize     int
-	defaultName string
-	normalizer  NameNormalizer
-	mux         sync.RWMutex
-}
-
-func newNormalizedEndpoints(maxSize int, normalizer NameNormalizer) *normalizedEndpoints {
-	return &normalizedEndpoints{
-		maxSize:    maxSize,
-		normalizer: normalizer,
-		names:      make(map[string]string, maxSize),
-	}
-}
-
-// normalize looks up the name in the cache, if not found it uses normalizer
-// to convert the name to a safe name. If called with more than maxSize unique
-// names it returns "" for all other names beyond those already cached.
-func (n *normalizedEndpoints) normalize(name string) string {
-	n.mux.RLock()
-	norm, ok := n.names[name]
-	l := len(n.names)
-	n.mux.RUnlock()
-	if ok {
-		return norm
-	}
-	if l >= n.maxSize {
-		return ""
-	}
-	return n.normalizeWithLock(name)
-}
-
-func (n *normalizedEndpoints) normalizeWithLock(name string) string {
-	norm := n.normalizer.Normalize(name)
-	n.mux.Lock()
-	defer n.mux.Unlock()
-	// cache may have grown while we were not holding the lock
-	if len(n.names) >= n.maxSize {
-		return ""
-	}
-	n.names[name] = norm
-	return norm
-}
diff --git a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/metrics.go b/vendor/github.com/uber/jaeger-client-go/rpcmetrics/metrics.go
deleted file mode 100644
index a8cec2fa6..000000000
--- a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/metrics.go
+++ /dev/null
@@ -1,124 +0,0 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package rpcmetrics
-
-import (
-	"sync"
-
-	"github.com/uber/jaeger-lib/metrics"
-)
-
-const (
-	otherEndpointsPlaceholder = "other"
-	endpointNameMetricTag     = "endpoint"
-)
-
-// Metrics is a collection of metrics for an endpoint describing
-// throughput, success, errors, and performance.
-type Metrics struct {
-	// RequestCountSuccess is a counter of the total number of successes.
-	RequestCountSuccess metrics.Counter `metric:"requests" tags:"error=false"`
-
-	// RequestCountFailures is a counter of the number of times any failure has been observed.
-	RequestCountFailures metrics.Counter `metric:"requests" tags:"error=true"`
-
-	// RequestLatencySuccess is a latency histogram of successful requests.
-	RequestLatencySuccess metrics.Timer `metric:"request_latency" tags:"error=false"`
-
-	// RequestLatencyFailures is a latency histogram of failed requests.
-	RequestLatencyFailures metrics.Timer `metric:"request_latency" tags:"error=true"`
-
-	// HTTPStatusCode2xx is a counter of the total number of requests with HTTP status code 200-299
-	HTTPStatusCode2xx metrics.Counter `metric:"http_requests" tags:"status_code=2xx"`
-
-	// HTTPStatusCode3xx is a counter of the total number of requests with HTTP status code 300-399
-	HTTPStatusCode3xx metrics.Counter `metric:"http_requests" tags:"status_code=3xx"`
-
-	// HTTPStatusCode4xx is a counter of the total number of requests with HTTP status code 400-499
-	HTTPStatusCode4xx metrics.Counter `metric:"http_requests" tags:"status_code=4xx"`
-
-	// HTTPStatusCode5xx is a counter of the total number of requests with HTTP status code 500-599
-	HTTPStatusCode5xx metrics.Counter `metric:"http_requests" tags:"status_code=5xx"`
-}
-
-func (m *Metrics) recordHTTPStatusCode(statusCode uint16) {
-	if statusCode >= 200 && statusCode < 300 {
-		m.HTTPStatusCode2xx.Inc(1)
-	} else if statusCode >= 300 && statusCode < 400 {
-		m.HTTPStatusCode3xx.Inc(1)
-	} else if statusCode >= 400 && statusCode < 500 {
-		m.HTTPStatusCode4xx.Inc(1)
-	} else if statusCode >= 500 && statusCode < 600 {
-		m.HTTPStatusCode5xx.Inc(1)
-	}
-}
-
-// MetricsByEndpoint is a registry/cache of metrics for each unique endpoint name.
-// Only maxNumberOfEndpoints Metrics are stored, all other endpoint names are mapped
-// to a generic endpoint name "other".
-type MetricsByEndpoint struct {
-	metricsFactory    metrics.Factory
-	endpoints         *normalizedEndpoints
-	metricsByEndpoint map[string]*Metrics
-	mux               sync.RWMutex
-}
-
-func newMetricsByEndpoint(
-	metricsFactory metrics.Factory,
-	normalizer NameNormalizer,
-	maxNumberOfEndpoints int,
-) *MetricsByEndpoint {
-	return &MetricsByEndpoint{
-		metricsFactory:    metricsFactory,
-		endpoints:         newNormalizedEndpoints(maxNumberOfEndpoints, normalizer),
-		metricsByEndpoint: make(map[string]*Metrics, maxNumberOfEndpoints+1), // +1 for "other"
-	}
-}
-
-func (m *MetricsByEndpoint) get(endpoint string) *Metrics {
-	safeName := m.endpoints.normalize(endpoint)
-	if safeName == "" {
-		safeName = otherEndpointsPlaceholder
-	}
-	m.mux.RLock()
-	met := m.metricsByEndpoint[safeName]
-	m.mux.RUnlock()
-	if met != nil {
-		return met
-	}
-
-	return m.getWithWriteLock(safeName)
-}
-
-// split to make easier to test
-func (m *MetricsByEndpoint) getWithWriteLock(safeName string) *Metrics {
-	m.mux.Lock()
-	defer m.mux.Unlock()
-
-	// it is possible that the name has been already registered after we released
-	// the read lock and before we grabbed the write lock, so check for that.
-	if met, ok := m.metricsByEndpoint[safeName]; ok {
-		return met
-	}
-
-	// it would be nice to create the struct before locking, since Init() is somewhat
-	// expensive, however some metrics backends (e.g. expvar) may not like duplicate metrics.
-	met := &Metrics{}
-	tags := map[string]string{endpointNameMetricTag: safeName}
-	metrics.Init(met, m.metricsFactory, tags)
-
-	m.metricsByEndpoint[safeName] = met
-	return met
-}
diff --git a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/normalizer.go b/vendor/github.com/uber/jaeger-client-go/rpcmetrics/normalizer.go
deleted file mode 100644
index 148d84b3a..000000000
--- a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/normalizer.go
+++ /dev/null
@@ -1,101 +0,0 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package rpcmetrics
-
-// NameNormalizer is used to convert the endpoint names to strings
-// that can be safely used as tags in the metrics.
-type NameNormalizer interface {
-	Normalize(name string) string
-}
-
-// DefaultNameNormalizer converts endpoint names so that they contain only characters
-// from the safe charset [a-zA-Z0-9-./_]. All other characters are replaced with '-'.
-var DefaultNameNormalizer = &SimpleNameNormalizer{
-	SafeSets: []SafeCharacterSet{
-		&Range{From: 'a', To: 'z'},
-		&Range{From: 'A', To: 'Z'},
-		&Range{From: '0', To: '9'},
-		&Char{'-'},
-		&Char{'_'},
-		&Char{'/'},
-		&Char{'.'},
-	},
-	Replacement: '-',
-}
-
-// SimpleNameNormalizer uses a set of safe character sets.
-type SimpleNameNormalizer struct {
-	SafeSets    []SafeCharacterSet
-	Replacement byte
-}
-
-// SafeCharacterSet determines if the given character is "safe"
-type SafeCharacterSet interface {
-	IsSafe(c byte) bool
-}
-
-// Range implements SafeCharacterSet
-type Range struct {
-	From, To byte
-}
-
-// IsSafe implements SafeCharacterSet
-func (r *Range) IsSafe(c byte) bool {
-	return c >= r.From && c <= r.To
-}
-
-// Char implements SafeCharacterSet
-type Char struct {
-	Val byte
-}
-
-// IsSafe implements SafeCharacterSet
-func (ch *Char) IsSafe(c byte) bool {
-	return c == ch.Val
-}
-
-// Normalize checks each character in the string against SafeSets,
-// and if it's not safe substitutes it with Replacement.
-func (n *SimpleNameNormalizer) Normalize(name string) string {
-	var retMe []byte
-	nameBytes := []byte(name)
-	for i, b := range nameBytes {
-		if n.safeByte(b) {
-			if retMe != nil {
-				retMe[i] = b
-			}
-		} else {
-			if retMe == nil {
-				retMe = make([]byte, len(nameBytes))
-				copy(retMe[0:i], nameBytes[0:i])
-			}
-			retMe[i] = n.Replacement
-		}
-	}
-	if retMe == nil {
-		return name
-	}
-	return string(retMe)
-}
-
-// safeByte checks if b against all safe charsets.
-func (n *SimpleNameNormalizer) safeByte(b byte) bool {
-	for i := range n.SafeSets {
-		if n.SafeSets[i].IsSafe(b) {
-			return true
-		}
-	}
-	return false
-}
diff --git a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/observer.go b/vendor/github.com/uber/jaeger-client-go/rpcmetrics/observer.go
deleted file mode 100644
index eca5ff6f3..000000000
--- a/vendor/github.com/uber/jaeger-client-go/rpcmetrics/observer.go
+++ /dev/null
@@ -1,171 +0,0 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package rpcmetrics
-
-import (
-	"strconv"
-	"sync"
-	"time"
-
-	"github.com/opentracing/opentracing-go"
-	"github.com/opentracing/opentracing-go/ext"
-	"github.com/uber/jaeger-lib/metrics"
-
-	jaeger "github.com/uber/jaeger-client-go"
-)
-
-const defaultMaxNumberOfEndpoints = 200
-
-// Observer is an observer that can emit RPC metrics.
-type Observer struct {
-	metricsByEndpoint *MetricsByEndpoint
-}
-
-// NewObserver creates a new observer that can emit RPC metrics.
-func NewObserver(metricsFactory metrics.Factory, normalizer NameNormalizer) *Observer {
-	return &Observer{
-		metricsByEndpoint: newMetricsByEndpoint(
-			metricsFactory,
-			normalizer,
-			defaultMaxNumberOfEndpoints,
-		),
-	}
-}
-
-// OnStartSpan creates a new Observer for the span.
-func (o *Observer) OnStartSpan(
-	operationName string,
-	options opentracing.StartSpanOptions,
-) jaeger.SpanObserver {
-	return NewSpanObserver(o.metricsByEndpoint, operationName, options)
-}
-
-// SpanKind identifies the span as inboud, outbound, or internal
-type SpanKind int
-
-const (
-	// Local span kind
-	Local SpanKind = iota
-	// Inbound span kind
-	Inbound
-	// Outbound span kind
-	Outbound
-)
-
-// SpanObserver collects RPC metrics
-type SpanObserver struct {
-	metricsByEndpoint *MetricsByEndpoint
-	operationName     string
-	startTime         time.Time
-	mux               sync.Mutex
-	kind              SpanKind
-	httpStatusCode    uint16
-	err               bool
-}
-
-// NewSpanObserver creates a new SpanObserver that can emit RPC metrics.
-func NewSpanObserver(
-	metricsByEndpoint *MetricsByEndpoint,
-	operationName string,
-	options opentracing.StartSpanOptions,
-) *SpanObserver {
-	so := &SpanObserver{
-		metricsByEndpoint: metricsByEndpoint,
-		operationName:     operationName,
-		startTime:         options.StartTime,
-	}
-	for k, v := range options.Tags {
-		so.handleTagInLock(k, v)
-	}
-	return so
-}
-
-// handleTags watches for special tags
-// - SpanKind
-// - HttpStatusCode
-// - Error
-func (so *SpanObserver) handleTagInLock(key string, value interface{}) {
-	if key == string(ext.SpanKind) {
-		if v, ok := value.(ext.SpanKindEnum); ok {
-			value = string(v)
-		}
-		if v, ok := value.(string); ok {
-			if v == string(ext.SpanKindRPCClientEnum) {
-				so.kind = Outbound
-			} else if v == string(ext.SpanKindRPCServerEnum) {
-				so.kind = Inbound
-			}
-		}
-		return
-	}
-	if key == string(ext.HTTPStatusCode) {
-		if v, ok := value.(uint16); ok {
-			so.httpStatusCode = v
-		} else if v, ok := value.(int); ok {
-			so.httpStatusCode = uint16(v)
-		} else if v, ok := value.(string); ok {
-			if vv, err := strconv.Atoi(v); err == nil {
-				so.httpStatusCode = uint16(vv)
-			}
-		}
-		return
-	}
-	if key == string(ext.Error) {
-		if v, ok := value.(bool); ok {
-			so.err = v
-		} else if v, ok := value.(string); ok {
-			if vv, err := strconv.ParseBool(v); err == nil {
-				so.err = vv
-			}
-		}
-		return
-	}
-}
-
-// OnFinish emits the RPC metrics. It only has an effect when operation name
-// is not blank, and the span kind is an RPC server.
-func (so *SpanObserver) OnFinish(options opentracing.FinishOptions) {
-	so.mux.Lock()
-	defer so.mux.Unlock()
-
-	if so.operationName == "" || so.kind != Inbound {
-		return
-	}
-
-	mets := so.metricsByEndpoint.get(so.operationName)
-	latency := options.FinishTime.Sub(so.startTime)
-	if so.err {
-		mets.RequestCountFailures.Inc(1)
-		mets.RequestLatencyFailures.Record(latency)
-	} else {
-		mets.RequestCountSuccess.Inc(1)
-		mets.RequestLatencySuccess.Record(latency)
-	}
-	mets.recordHTTPStatusCode(so.httpStatusCode)
-}
-
-// OnSetOperationName records new operation name.
-func (so *SpanObserver) OnSetOperationName(operationName string) {
-	so.mux.Lock()
-	so.operationName = operationName
-	so.mux.Unlock()
-}
-
-// OnSetTag implements SpanObserver
-func (so *SpanObserver) OnSetTag(key string, value interface{}) {
-	so.mux.Lock()
-	so.handleTagInLock(key, value)
-	so.mux.Unlock()
-}