mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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52fb033e13
The `go.opentelemetry.io/otel/exporter/trace/jaeger` package was mistakenly released with a `v1.0.0` tag instead of `v0.1.0`. This resulted in all subsequent releases not becoming the default latest, meaning that `go get`s pulled in the incompatible `v0.1.0` release of that package when pulling in more recent packages from other otel packages. Renaming the `exporter` directory to `exporters` fixes this issue by consequentially renaming the package. Additionally, this action also renames *all* exporters. This is understood to be a disruptive action to existing users as they will need to update any dependencies they currently have on our exporters. However, it was decided to take this action regardless. The need to resolve the existing issue explained above is highly important, and given the Alpha state of this project these kinds of breaking changes should be expected (though not without reason). Resolves #331 Co-authored-by: Rahul Patel <rghetia@yahoo.com>
51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
// Copyright 2019, OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package prometheus
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import (
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"strings"
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"unicode"
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)
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// TODO(paivagustavo): we should provide a more uniform and controlled way of sanitizing.
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// Letting users define wether we should try or not to sanitize metric names.
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// This is a copy of sdk/internal/sanitize.go
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// sanitize returns a string that is truncated to 100 characters if it's too
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// long, and replaces non-alphanumeric characters to underscores.
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func sanitize(s string) string {
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if len(s) == 0 {
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return s
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}
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// TODO(paivagustavo): change this to use a bytes buffer to avoid a large number of string allocations.
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s = strings.Map(sanitizeRune, s)
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if unicode.IsDigit(rune(s[0])) {
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s = "key_" + s
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}
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if s[0] == '_' {
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s = "key" + s
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}
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return s
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}
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// converts anything that is not a letter or digit to an underscore
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func sanitizeRune(r rune) rune {
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if unicode.IsLetter(r) || unicode.IsDigit(r) {
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return r
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}
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// Everything else turns into an underscore
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return '_'
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}
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