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authorSebastian Jug <sejug@redhat.com>2018-10-16 16:30:53 -0400
committerSebastian Jug <seb@stianj.ug>2019-02-18 09:57:08 -0500
commit7141f972700ed454438d8539dd0bec79c0b61cf4 (patch)
treebfa2e524b71757a514a02ef68661b46dca9a3dfe /vendor/github.com/uber/jaeger-client-go/baggage_setter.go
parente738ef16225395f5f5e4b93ba1a43ae9449ae11b (diff)
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OpenTracing support added to start, stop, run, create, pull, and ps
Drop context.Context field from cli.Context Signed-off-by: Sebastian Jug <sejug@redhat.com>
Diffstat (limited to 'vendor/github.com/uber/jaeger-client-go/baggage_setter.go')
-rw-r--r--vendor/github.com/uber/jaeger-client-go/baggage_setter.go77
1 files changed, 77 insertions, 0 deletions
diff --git a/vendor/github.com/uber/jaeger-client-go/baggage_setter.go b/vendor/github.com/uber/jaeger-client-go/baggage_setter.go
new file mode 100644
index 000000000..1037ca0e8
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/baggage_setter.go
@@ -0,0 +1,77 @@
+// 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 jaeger
+
+import (
+ "github.com/opentracing/opentracing-go/log"
+
+ "github.com/uber/jaeger-client-go/internal/baggage"
+)
+
+// baggageSetter is an actor that can set a baggage value on a Span given certain
+// restrictions (eg. maxValueLength).
+type baggageSetter struct {
+ restrictionManager baggage.RestrictionManager
+ metrics *Metrics
+}
+
+func newBaggageSetter(restrictionManager baggage.RestrictionManager, metrics *Metrics) *baggageSetter {
+ return &baggageSetter{
+ restrictionManager: restrictionManager,
+ metrics: metrics,
+ }
+}
+
+// (NB) span should hold the lock before making this call
+func (s *baggageSetter) setBaggage(span *Span, key, value string) {
+ var truncated bool
+ var prevItem string
+ restriction := s.restrictionManager.GetRestriction(span.serviceName(), key)
+ if !restriction.KeyAllowed() {
+ s.logFields(span, key, value, prevItem, truncated, restriction.KeyAllowed())
+ s.metrics.BaggageUpdateFailure.Inc(1)
+ return
+ }
+ if len(value) > restriction.MaxValueLength() {
+ truncated = true
+ value = value[:restriction.MaxValueLength()]
+ s.metrics.BaggageTruncate.Inc(1)
+ }
+ prevItem = span.context.baggage[key]
+ s.logFields(span, key, value, prevItem, truncated, restriction.KeyAllowed())
+ span.context = span.context.WithBaggageItem(key, value)
+ s.metrics.BaggageUpdateSuccess.Inc(1)
+}
+
+func (s *baggageSetter) logFields(span *Span, key, value, prevItem string, truncated, valid bool) {
+ if !span.context.IsSampled() {
+ return
+ }
+ fields := []log.Field{
+ log.String("event", "baggage"),
+ log.String("key", key),
+ log.String("value", value),
+ }
+ if prevItem != "" {
+ fields = append(fields, log.String("override", "true"))
+ }
+ if truncated {
+ fields = append(fields, log.String("truncated", "true"))
+ }
+ if !valid {
+ fields = append(fields, log.String("invalid", "true"))
+ }
+ span.logFieldsNoLocking(fields...)
+}