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diff --git a/vendor/go.opencensus.io/plugin/ochttp/stats.go b/vendor/go.opencensus.io/plugin/ochttp/stats.go
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--- a/vendor/go.opencensus.io/plugin/ochttp/stats.go
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-// Copyright 2018, OpenCensus 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 ochttp
-
-import (
- "go.opencensus.io/stats"
- "go.opencensus.io/stats/view"
- "go.opencensus.io/tag"
-)
-
-// The following client HTTP measures are supported for use in custom views.
-var (
- ClientRequestCount = stats.Int64("opencensus.io/http/client/request_count", "Number of HTTP requests started", stats.UnitDimensionless)
- ClientRequestBytes = stats.Int64("opencensus.io/http/client/request_bytes", "HTTP request body size if set as ContentLength (uncompressed)", stats.UnitBytes)
- ClientResponseBytes = stats.Int64("opencensus.io/http/client/response_bytes", "HTTP response body size (uncompressed)", stats.UnitBytes)
- ClientLatency = stats.Float64("opencensus.io/http/client/latency", "End-to-end latency", stats.UnitMilliseconds)
-)
-
-// The following server HTTP measures are supported for use in custom views:
-var (
- ServerRequestCount = stats.Int64("opencensus.io/http/server/request_count", "Number of HTTP requests started", stats.UnitDimensionless)
- ServerRequestBytes = stats.Int64("opencensus.io/http/server/request_bytes", "HTTP request body size if set as ContentLength (uncompressed)", stats.UnitBytes)
- ServerResponseBytes = stats.Int64("opencensus.io/http/server/response_bytes", "HTTP response body size (uncompressed)", stats.UnitBytes)
- ServerLatency = stats.Float64("opencensus.io/http/server/latency", "End-to-end latency", stats.UnitMilliseconds)
-)
-
-// The following tags are applied to stats recorded by this package. Host, Path
-// and Method are applied to all measures. StatusCode is not applied to
-// ClientRequestCount or ServerRequestCount, since it is recorded before the status is known.
-var (
- // Host is the value of the HTTP Host header.
- //
- // The value of this tag can be controlled by the HTTP client, so you need
- // to watch out for potentially generating high-cardinality labels in your
- // metrics backend if you use this tag in views.
- Host, _ = tag.NewKey("http.host")
-
- // StatusCode is the numeric HTTP response status code,
- // or "error" if a transport error occurred and no status code was read.
- StatusCode, _ = tag.NewKey("http.status")
-
- // Path is the URL path (not including query string) in the request.
- //
- // The value of this tag can be controlled by the HTTP client, so you need
- // to watch out for potentially generating high-cardinality labels in your
- // metrics backend if you use this tag in views.
- Path, _ = tag.NewKey("http.path")
-
- // Method is the HTTP method of the request, capitalized (GET, POST, etc.).
- Method, _ = tag.NewKey("http.method")
-)
-
-// Default distributions used by views in this package.
-var (
- DefaultSizeDistribution = view.Distribution(0, 1024, 2048, 4096, 16384, 65536, 262144, 1048576, 4194304, 16777216, 67108864, 268435456, 1073741824, 4294967296)
- DefaultLatencyDistribution = view.Distribution(0, 1, 2, 3, 4, 5, 6, 8, 10, 13, 16, 20, 25, 30, 40, 50, 65, 80, 100, 130, 160, 200, 250, 300, 400, 500, 650, 800, 1000, 2000, 5000, 10000, 20000, 50000, 100000)
-)
-
-// Package ochttp provides some convenience views.
-// You need to register the views for data to actually be collected.
-var (
- ClientRequestCountView = &view.View{
- Name: "opencensus.io/http/client/request_count",
- Description: "Count of HTTP requests started",
- Measure: ClientRequestCount,
- Aggregation: view.Count(),
- }
-
- ClientRequestBytesView = &view.View{
- Name: "opencensus.io/http/client/request_bytes",
- Description: "Size distribution of HTTP request body",
- Measure: ClientRequestBytes,
- Aggregation: DefaultSizeDistribution,
- }
-
- ClientResponseBytesView = &view.View{
- Name: "opencensus.io/http/client/response_bytes",
- Description: "Size distribution of HTTP response body",
- Measure: ClientResponseBytes,
- Aggregation: DefaultSizeDistribution,
- }
-
- ClientLatencyView = &view.View{
- Name: "opencensus.io/http/client/latency",
- Description: "Latency distribution of HTTP requests",
- Measure: ClientLatency,
- Aggregation: DefaultLatencyDistribution,
- }
-
- ClientRequestCountByMethod = &view.View{
- Name: "opencensus.io/http/client/request_count_by_method",
- Description: "Client request count by HTTP method",
- TagKeys: []tag.Key{Method},
- Measure: ClientRequestCount,
- Aggregation: view.Count(),
- }
-
- ClientResponseCountByStatusCode = &view.View{
- Name: "opencensus.io/http/client/response_count_by_status_code",
- Description: "Client response count by status code",
- TagKeys: []tag.Key{StatusCode},
- Measure: ClientLatency,
- Aggregation: view.Count(),
- }
-
- ServerRequestCountView = &view.View{
- Name: "opencensus.io/http/server/request_count",
- Description: "Count of HTTP requests started",
- Measure: ServerRequestCount,
- Aggregation: view.Count(),
- }
-
- ServerRequestBytesView = &view.View{
- Name: "opencensus.io/http/server/request_bytes",
- Description: "Size distribution of HTTP request body",
- Measure: ServerRequestBytes,
- Aggregation: DefaultSizeDistribution,
- }
-
- ServerResponseBytesView = &view.View{
- Name: "opencensus.io/http/server/response_bytes",
- Description: "Size distribution of HTTP response body",
- Measure: ServerResponseBytes,
- Aggregation: DefaultSizeDistribution,
- }
-
- ServerLatencyView = &view.View{
- Name: "opencensus.io/http/server/latency",
- Description: "Latency distribution of HTTP requests",
- Measure: ServerLatency,
- Aggregation: DefaultLatencyDistribution,
- }
-
- ServerRequestCountByMethod = &view.View{
- Name: "opencensus.io/http/server/request_count_by_method",
- Description: "Server request count by HTTP method",
- TagKeys: []tag.Key{Method},
- Measure: ServerRequestCount,
- Aggregation: view.Count(),
- }
-
- ServerResponseCountByStatusCode = &view.View{
- Name: "opencensus.io/http/server/response_count_by_status_code",
- Description: "Server response count by status code",
- TagKeys: []tag.Key{StatusCode},
- Measure: ServerLatency,
- Aggregation: view.Count(),
- }
-)
-
-// DefaultClientViews are the default client views provided by this package.
-var DefaultClientViews = []*view.View{
- ClientRequestCountView,
- ClientRequestBytesView,
- ClientResponseBytesView,
- ClientLatencyView,
- ClientRequestCountByMethod,
- ClientResponseCountByStatusCode,
-}
-
-// DefaultServerViews are the default server views provided by this package.
-var DefaultServerViews = []*view.View{
- ServerRequestCountView,
- ServerRequestBytesView,
- ServerResponseBytesView,
- ServerLatencyView,
- ServerRequestCountByMethod,
- ServerResponseCountByStatusCode,
-}