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b5c833ca21
* Update go.mod dependencies before release Signed-off-by: Julius Volz <julius.volz@gmail.com> * Add issue for showing query warnings in promtool Signed-off-by: Julius Volz <julius.volz@gmail.com> * Revert json-iterator back to 1.1.6 It produced errors when marshaling Point values with special float values. Signed-off-by: Julius Volz <julius.volz@gmail.com> * Fix expected step values in promtool tests after client_golang update Signed-off-by: Julius Volz <julius.volz@gmail.com> * Update generated protobuf code after proto dep updates Signed-off-by: Julius Volz <julius.volz@gmail.com>
50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
// Copyright 2017, OpenCensus 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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//
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package ocgrpc
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import (
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"time"
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"context"
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"go.opencensus.io/tag"
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"google.golang.org/grpc/grpclog"
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"google.golang.org/grpc/stats"
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)
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// statsTagRPC gets the tag.Map populated by the application code, serializes
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// its tags into the GRPC metadata in order to be sent to the server.
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func (h *ClientHandler) statsTagRPC(ctx context.Context, info *stats.RPCTagInfo) context.Context {
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startTime := time.Now()
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if info == nil {
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if grpclog.V(2) {
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grpclog.Infof("clientHandler.TagRPC called with nil info.", info.FullMethodName)
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}
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return ctx
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}
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d := &rpcData{
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startTime: startTime,
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method: info.FullMethodName,
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}
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ts := tag.FromContext(ctx)
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if ts != nil {
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encoded := tag.Encode(ts)
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ctx = stats.SetTags(ctx, encoded)
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}
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return context.WithValue(ctx, rpcDataKey, d)
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}
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