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* trace sdk initial commit. * fix imports and comments. * remove tracestate * split trace.go * add attribute over limit test. * add comments and restructure span.go and tracer.go * refactor MessageEvent * defer unlock * some more cleanup in span.go * rename *MessageEvent* to *Event* * cleanup comments in trace_test.go * fix typos. * return full string ID for traceID and spanID.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| // Copyright 2019, OpenTelemetry Authors | ||
| // | ||
| // 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. | ||
|
|
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| package internal // import "go.opentelemetry.io/sdk/internal" | ||
|
|
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| import ( | ||
| "fmt" | ||
| "time" | ||
|
|
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| opentelemetry "go.opentelemetry.io/sdk" | ||
| ) | ||
|
|
||
| // UserAgent is the user agent to be added to the outgoing | ||
| // requests from the exporters. | ||
| var UserAgent = fmt.Sprintf("opentelemetry-go/%s", opentelemetry.Version()) | ||
|
|
||
| // MonotonicEndTime returns the end time at present | ||
| // but offset from start, monotonically. | ||
| // | ||
| // The monotonic clock is used in subtractions hence | ||
| // the duration since start added back to start gives | ||
| // end as a monotonic time. | ||
| // See https://golang.org/pkg/time/#hdr-Monotonic_Clocks | ||
| func MonotonicEndTime(start time.Time) time.Time { | ||
| return start.Add(time.Since(start)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| // Copyright 2019, OpenTelemetry Authors | ||
| // | ||
| // 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 internal | ||
|
|
||
| import ( | ||
| "strings" | ||
| "unicode" | ||
| ) | ||
|
|
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| const labelKeySizeLimit = 100 | ||
|
|
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| // Sanitize returns a string that is trunacated to 100 characters if it's too | ||
| // long, and replaces non-alphanumeric characters to underscores. | ||
| func Sanitize(s string) string { | ||
| if len(s) == 0 { | ||
| return s | ||
| } | ||
| if len(s) > labelKeySizeLimit { | ||
| s = s[:labelKeySizeLimit] | ||
| } | ||
| s = strings.Map(sanitizeRune, s) | ||
| if unicode.IsDigit(rune(s[0])) { | ||
| s = "key_" + s | ||
| } | ||
| if s[0] == '_' { | ||
| s = "key" + s | ||
| } | ||
| return s | ||
| } | ||
|
|
||
| // converts anything that is not a letter or digit to an underscore | ||
| func sanitizeRune(r rune) rune { | ||
| if unicode.IsLetter(r) || unicode.IsDigit(r) { | ||
| return r | ||
| } | ||
| // Everything else turns into an underscore | ||
| return '_' | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| // Copyright 2019, OpenTelemetry Authors | ||
| // | ||
| // 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 internal | ||
|
|
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| import ( | ||
| "strings" | ||
| "testing" | ||
| ) | ||
|
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| func TestSanitize(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| input string | ||
| want string | ||
| }{ | ||
| { | ||
| name: "trunacate long string", | ||
| input: strings.Repeat("a", 101), | ||
| want: strings.Repeat("a", 100), | ||
| }, | ||
| { | ||
| name: "replace character", | ||
| input: "test/key-1", | ||
| want: "test_key_1", | ||
| }, | ||
| { | ||
| name: "add prefix if starting with digit", | ||
| input: "0123456789", | ||
| want: "key_0123456789", | ||
| }, | ||
| { | ||
| name: "add prefix if starting with _", | ||
| input: "_0123456789", | ||
| want: "key_0123456789", | ||
| }, | ||
| { | ||
| name: "starts with _ after sanitization", | ||
| input: "/0123456789", | ||
| want: "key_0123456789", | ||
| }, | ||
| { | ||
| name: "valid input", | ||
| input: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_0123456789", | ||
| want: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_0123456789", | ||
| }, | ||
| } | ||
|
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| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| if got, want := Sanitize(tt.input), tt.want; got != want { | ||
| t.Errorf("sanitize() = %q; want %q", got, want) | ||
| } | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| // Copyright 2019, OpenTelemetry Authors | ||
| // | ||
| // 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. | ||
|
|
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| // Package opentelemetry contains Go support for OpenTelemetry. | ||
| package opentelemetry // import "go.opentelemetry.io/sdk" | ||
|
|
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| // Version is the current release version of OpenTelemetry in use. | ||
| func Version() string { | ||
| return "0.1.0" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| // Copyright 2019, OpenTelemetry Authors | ||
| // | ||
| // 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. | ||
|
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| package trace | ||
|
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| import ( | ||
| "time" | ||
|
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| "go.opentelemetry.io/api/core" | ||
| apievent "go.opentelemetry.io/api/event" | ||
| ) | ||
|
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| // event is used to describe an event with a message string and set of | ||
| // attributes. | ||
| type event struct { | ||
| msg string | ||
| attributes []core.KeyValue | ||
| time time.Time | ||
| } | ||
|
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| var _ apievent.Event = &event{} | ||
|
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| func (me *event) Message() string { | ||
| return me.msg | ||
| } | ||
|
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| func (me *event) Attributes() []core.KeyValue { | ||
| return me.attributes | ||
| } |
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