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Add GRPC Client Metrics

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This commit is contained in:
Travis Groth 2019-06-21 18:54:39 -04:00
parent 7191ed6fb1
commit 77338bd4e9
9 changed files with 311 additions and 69 deletions
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15
internal/metrics/middleware.go
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@ -6,6 +6,8 @@ import (
"strconv"
"time"
"github.com/pomerium/pomerium/internal/log"
"github.com/pomerium/pomerium/internal/middleware/responsewriter"
"github.com/pomerium/pomerium/internal/tripper"
"go.opencensus.io/stats"
@ -14,11 +16,6 @@ import (
)
var (
keyMethod, _ = tag.NewKey("method")
keyStatus, _ = tag.NewKey("status")
keyService, _ = tag.NewKey("service")
keyHost, _ = tag.NewKey("host")
httpServerRequestCount = stats.Int64("http_server_requests_total", "Total HTTP Requests", "1")
httpServerResponseSize = stats.Int64("http_server_response_size_bytes", "HTTP Server Response Size in bytes", "bytes")
httpServerRequestDuration = stats.Int64("http_server_request_duration_ms", "HTTP Request duration in ms", "ms")
@ -116,7 +113,9 @@ func HTTPMetricsHandler(service string) func(next http.Handler) http.Handler {
tag.Insert(keyStatus, strconv.Itoa(m.Status())),
)
if tagErr == nil {
if tagErr != nil {
log.Warn().Err(tagErr).Str("context", "HTTPMetricsHandler").Msg("Failed to create metrics context tag")
} else {
stats.Record(ctx,
httpServerRequestCount.M(1),
httpServerRequestDuration.M(time.Since(startTime).Nanoseconds()/int64(time.Millisecond)),
@ -145,7 +144,9 @@ func HTTPMetricsRoundTripper(service string) func(next http.RoundTripper) http.R
tag.Insert(keyStatus, strconv.Itoa(resp.StatusCode)),
)
if tagErr == nil {
if tagErr != nil {
log.Warn().Err(tagErr).Str("context", "HTTPMetricsRoundTripper").Msg("Failed to create context tag")
} else {
stats.Record(ctx,
httpClientRequestCount.M(1),
httpClientRequestDuration.M(time.Since(startTime).Nanoseconds()/int64(time.Millisecond)),