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Add opentelemetry tracing on gRPC calls
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Otel tracing can be enabled using the flag `--enable-otel-tracing` which
will provide a basic instrumentation of the gRPC calls received by the
driver.
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@Fricounet
Fricounet committed Oct 3, 2023
1 parent 75bb007 commit fd7e938
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Showing 226 changed files with 37,156 additions and 116 deletions.
19 changes: 18 additions & 1 deletion cmd/gce-pd-csi-driver/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@ var (
httpEndpoint = flag.String("http-endpoint", "", "The TCP network address where the prometheus metrics endpoint will listen (example: `:8080`). The default is empty string, which means metrics endpoint is disabled.")
metricsPath = flag.String("metrics-path", "/metrics", "The HTTP path where prometheus metrics will be exposed. Default is `/metrics`.")
grpcLogCharCap = flag.Int("grpc-log-char-cap", 10000, "The maximum amount of characters logged for every grpc responses")
enableOtelTracing = flag.Bool("enable-otel-tracing", false, "If set, enable opentelemetry tracing for the driver. The tracing is disabled by default. Configure the exporter endpoint with OTEL_EXPORTER_OTLP_ENDPOINT and other env variables, see https://opentelemetry.io/docs/specs/otel/configuration/sdk-environment-variables/#general-sdk-configuration.")

errorBackoffInitialDurationMs = flag.Int("backoff-initial-duration-ms", 200, "The amount of ms for the initial duration of the backoff condition for controller publish/unpublish CSI operations. Default is 200.")
errorBackoffMaxDurationMs = flag.Int("backoff-max-duration-ms", 300000, "The amount of ms for the max duration of the backoff condition for controller publish/unpublish CSI operations. Default is 300000 (5m).")
Expand Down Expand Up @@ -101,6 +102,22 @@ func handle() {
}
klog.V(2).Infof("Driver vendor version %v", version)

// Start tracing as soon as possible
if *enableOtelTracing {
exporter, err := driver.InitOtelTracing()
if err != nil {
klog.Fatalf("Failed to initialize otel tracing: %v", err.Error())
}
// Exporter will flush traces on shutdown
defer func() {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
if err := exporter.Shutdown(ctx); err != nil {
klog.Errorf("Could not shutdown otel exporter: %v", err.Error())
}
}()
}

if *runControllerService && *httpEndpoint != "" {
mm := metrics.NewMetricsManager()
mm.InitializeHttpHandler(*httpEndpoint, *metricsPath)
Expand Down Expand Up @@ -178,5 +195,5 @@ func handle() {
gce.WaitForOpBackoff.Steps = *waitForOpBackoffSteps
gce.WaitForOpBackoff.Cap = *waitForOpBackoffCap

gceDriver.Run(*endpoint, *grpcLogCharCap)
gceDriver.Run(*endpoint, *grpcLogCharCap, *enableOtelTracing)
}
14 changes: 13 additions & 1 deletion go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,11 @@ require (
github.com/kubernetes-csi/csi-test/v4 v4.4.0
github.com/onsi/ginkgo/v2 v2.7.1
github.com/onsi/gomega v1.25.0
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.42.0
go.opentelemetry.io/otel v1.16.0
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.16.0
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.16.0
go.opentelemetry.io/otel/sdk v1.16.0
golang.org/x/oauth2 v0.10.0
golang.org/x/sys v0.10.0
google.golang.org/api v0.134.0
Expand All @@ -38,11 +43,13 @@ require (
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/blang/semver/v4 v4.0.0 // indirect
github.com/cenkalti/backoff/v4 v4.2.1 // indirect
github.com/cespare/xxhash/v2 v2.2.0 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/emicklei/go-restful v2.9.5+incompatible // indirect
github.com/fsnotify/fsnotify v1.5.4 // indirect
github.com/go-logr/logr v1.2.3 // indirect
github.com/go-logr/logr v1.2.4 // indirect
github.com/go-logr/stdr v1.2.2 // indirect
github.com/go-openapi/jsonpointer v0.19.5 // indirect
github.com/go-openapi/jsonreference v0.19.6 // indirect
github.com/go-openapi/swag v0.21.1 // indirect
Expand All @@ -55,6 +62,7 @@ require (
github.com/google/s2a-go v0.1.4 // indirect
github.com/googleapis/enterprise-certificate-proxy v0.2.5 // indirect
github.com/googleapis/gax-go/v2 v2.12.0 // indirect
github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0 // indirect
github.com/hashicorp/errwrap v1.0.0 // indirect
github.com/hashicorp/go-multierror v1.1.0 // indirect
github.com/imdario/mergo v0.3.12 // indirect
Expand All @@ -76,6 +84,10 @@ require (
github.com/sirupsen/logrus v1.8.1 // indirect
github.com/spf13/pflag v1.0.5 // indirect
go.opencensus.io v0.24.0 // indirect
go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.16.0 // indirect
go.opentelemetry.io/otel/metric v1.16.0 // indirect
go.opentelemetry.io/otel/trace v1.16.0 // indirect
go.opentelemetry.io/proto/otlp v0.19.0 // indirect
go4.org v0.0.0-20201209231011-d4a079459e60 // indirect
golang.org/x/crypto v0.11.0 // indirect
golang.org/x/net v0.12.0 // indirect
Expand Down
38 changes: 35 additions & 3 deletions go.sum
View file
Original file line number Diff line number Diff line change
Expand Up @@ -280,6 +280,8 @@ github.com/bwmarrin/snowflake v0.0.0/go.mod h1:NdZxfVWX+oR6y2K0o6qAYv6gIOP9rjG0/
github.com/caarlos0/ctrlc v1.0.0/go.mod h1:CdXpj4rmq0q/1Eb44M9zi2nKB0QraNKuRGYGrrHhcQw=
github.com/campoy/unique v0.0.0-20180121183637-88950e537e7e/go.mod h1:9IOqJGCPMSc6E5ydlp5NIonxObaeu/Iub/X03EKPVYo=
github.com/cavaliercoder/go-cpio v0.0.0-20180626203310-925f9528c45e/go.mod h1:oDpT4efm8tSYHXV5tHSdRvBet/b/QzxZ+XyyPehvm3A=
github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
github.com/census-instrumentation/opencensus-proto v0.2.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/certifi/gocertifi v0.0.0-20191021191039-0944d244cd40/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
Expand Down Expand Up @@ -308,6 +310,7 @@ github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWH
github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/cncf/xds/go v0.0.0-20230607035331-e9ce68804cb4 h1:/inchEIKaYC1Akx+H+gqO04wryn5h75LSazbRlnya1k=
github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
github.com/cockroachdb/datadriven v0.0.0-20200714090401-bf6692d28da5/go.mod h1:h6jFvWxBdQXxjopDMZyH2UVceIRfR84bdzbkoKrsWNo=
github.com/cockroachdb/errors v1.2.4/go.mod h1:rQD95gz6FARkaKkQXUksEje/d9a6wBJoCr5oaCLELYA=
Expand Down Expand Up @@ -414,6 +417,7 @@ github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.m
github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1/go.mod h1:KJwIaB5Mv44NWtYuAOFCVOjcI94vtpEz2JU/D2v6IjE=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/envoyproxy/protoc-gen-validate v0.10.1 h1:c0g45+xCJhdgFGw7a5QAfdS4byAbud7miNWJ1WwEVf8=
github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a2zkGnVExMxdzMo3M0Hi/3sEU+cWnZpSni0O6/Yb/P0=
github.com/evanphx/json-patch v0.0.0-20190203023257-5858425f7550/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
github.com/evanphx/json-patch v0.5.2/go.mod h1:ZWS5hhDbVDyob71nXKNL0+PWn6ToqBHMikGIFbs31qQ=
Expand Down Expand Up @@ -472,8 +476,11 @@ github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7
github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
github.com/go-logr/logr v0.4.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
github.com/go-logr/logr v1.2.0/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
github.com/go-logr/zapr v0.1.0/go.mod h1:tabnROwaDl0UNxkVeFRbY8bwB37GwRv0P8lg6aAiEnk=
github.com/go-logr/zapr v0.1.1/go.mod h1:tabnROwaDl0UNxkVeFRbY8bwB37GwRv0P8lg6aAiEnk=
github.com/go-logr/zapr v0.4.0/go.mod h1:tabnROwaDl0UNxkVeFRbY8bwB37GwRv0P8lg6aAiEnk=
Expand Down Expand Up @@ -668,6 +675,8 @@ github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69
github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
github.com/golang/gddo v0.0.0-20190419222130-af0f2af80721/go.mod h1:xEhNfoBDX1hzLm2Nf80qUvZ2sVwoMZ8d6IE2SrsQfh4=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/glog v1.0.0/go.mod h1:EWib/APOK0SL3dFbYqvxE3UYd8E6s1ouQ7iEp/0LWV4=
github.com/golang/glog v1.1.0 h1:/d3pCKDPWNnvIWe0vVUpNP32qc8U3PDVxySP/y360qE=
github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20180513044358-24b0969c4cb7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
Expand Down Expand Up @@ -870,6 +879,8 @@ github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t
github.com/grpc-ecosystem/grpc-gateway v1.12.1/go.mod h1:8XEsbTttt/W+VvjtQhLACqCisSPWTxCZ7sBRjU6iH9c=
github.com/grpc-ecosystem/grpc-gateway v1.12.2/go.mod h1:8XEsbTttt/W+VvjtQhLACqCisSPWTxCZ7sBRjU6iH9c=
github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0 h1:BZHcxBETFHIdVyhyEfOvn/RdU/QGdLI4y34qQGjGWO0=
github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0/go.mod h1:hgWBS7lorOAVIJEQMi4ZsPv9hVvWI6+ch50m39Pf2Ks=
github.com/h2non/gock v1.0.9/go.mod h1:CZMcB0Lg5IWnr9bF79pPMg9WeV6WumxQiUJ1UvdO1iE=
github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
Expand Down Expand Up @@ -1393,8 +1404,8 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
github.com/stretchr/testify v1.8.3 h1:RP3t2pwF7cMEbC1dqtB6poj3niw/9gnV4Cjg5oW5gtY=
github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww=
github.com/tdakkota/asciicheck v0.0.0-20200416190851-d7f85be797a2/go.mod h1:yHp0ai0Z9gUljN3o0xMhYJnH/IcvkdTBOX2fmJ93JEM=
Expand Down Expand Up @@ -1518,16 +1529,34 @@ go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
go.opentelemetry.io/contrib v0.20.0/go.mod h1:G/EtFaa6qaN7+LxqfIAT3GiZa7Wv5DTBUzl5H4LY0Kc=
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.20.0/go.mod h1:oVGt1LRbBOBq1A5BQLlUg9UaU/54aiHw8cgjV3aWZ/E=
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.42.0 h1:ZOLJc06r4CB42laIXg/7udr0pbZyuAihN10A/XuiQRY=
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.42.0/go.mod h1:5z+/ZWJQKXa9YT34fQNx5K8Hd1EoIhvtUygUQPqEOgQ=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.20.0/go.mod h1:2AboqHi0CiIZU0qwhtUfCYD1GeUzvvIXWNkhDt7ZMG4=
go.opentelemetry.io/otel v0.20.0/go.mod h1:Y3ugLH2oa81t5QO+Lty+zXf8zC9L26ax4Nzoxm/dooo=
go.opentelemetry.io/otel v1.16.0 h1:Z7GVAX/UkAXPKsy94IU+i6thsQS4nb7LviLpnaNeW8s=
go.opentelemetry.io/otel v1.16.0/go.mod h1:vl0h9NUa1D5s1nv3A5vZOYWn8av4K8Ml6JDeHrT/bx4=
go.opentelemetry.io/otel/exporters/otlp v0.20.0/go.mod h1:YIieizyaN77rtLJra0buKiNBOm9XQfkPEKBeuhoMwAM=
go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.16.0 h1:t4ZwRPU+emrcvM2e9DHd0Fsf0JTPVcbfa/BhTDF03d0=
go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.16.0/go.mod h1:vLarbg68dH2Wa77g71zmKQqlQ8+8Rq3GRG31uc0WcWI=
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.16.0 h1:cbsD4cUcviQGXdw8+bo5x2wazq10SKz8hEbtCRPcU78=
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.16.0/go.mod h1:JgXSGah17croqhJfhByOLVY719k1emAXC8MVhCIJlRs=
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.16.0 h1:TVQp/bboR4mhZSav+MdgXB8FaRho1RC8UwVn3T0vjVc=
go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.16.0/go.mod h1:I33vtIe0sR96wfrUcilIzLoA3mLHhRmz9S9Te0S3gDo=
go.opentelemetry.io/otel/metric v0.20.0/go.mod h1:598I5tYlH1vzBjn+BTuhzTCSb/9debfNp6R3s7Pr1eU=
go.opentelemetry.io/otel/metric v1.16.0 h1:RbrpwVG1Hfv85LgnZ7+txXioPDoh6EdbZHo26Q3hqOo=
go.opentelemetry.io/otel/metric v1.16.0/go.mod h1:QE47cpOmkwipPiefDwo2wDzwJrlfxxNYodqc4xnGCo4=
go.opentelemetry.io/otel/oteltest v0.20.0/go.mod h1:L7bgKf9ZB7qCwT9Up7i9/pn0PWIa9FqQ2IQ8LoxiGnw=
go.opentelemetry.io/otel/sdk v0.20.0/go.mod h1:g/IcepuwNsoiX5Byy2nNV0ySUF1em498m7hBWC279Yc=
go.opentelemetry.io/otel/sdk v1.16.0 h1:Z1Ok1YsijYL0CSJpHt4cS3wDDh7p572grzNrBMiMWgE=
go.opentelemetry.io/otel/sdk v1.16.0/go.mod h1:tMsIuKXuuIWPBAOrH+eHtvhTL+SntFtXF9QD68aP6p4=
go.opentelemetry.io/otel/sdk/export/metric v0.20.0/go.mod h1:h7RBNMsDJ5pmI1zExLi+bJK+Dr8NQCh0qGhm1KDnNlE=
go.opentelemetry.io/otel/sdk/metric v0.20.0/go.mod h1:knxiS8Xd4E/N+ZqKmUPf3gTTZ4/0TjTXukfxjzSTpHE=
go.opentelemetry.io/otel/trace v0.20.0/go.mod h1:6GjCW8zgDjwGHGa6GkyeB8+/5vjT16gUEi0Nf1iBdgw=
go.opentelemetry.io/otel/trace v1.16.0 h1:8JRpaObFoW0pxuVPapkgH8UhHQj+bJW8jJsCZEu5MQs=
go.opentelemetry.io/otel/trace v1.16.0/go.mod h1:Yt9vYq1SdNz3xdjZZK7wcXv1qv2pwLkqr2QVwea0ef0=
go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
go.opentelemetry.io/proto/otlp v0.19.0 h1:IVN6GR+mhC4s5yfcTbmzHYODqvWAp3ZedA2SJPI1Nnw=
go.opentelemetry.io/proto/otlp v0.19.0/go.mod h1:H7XAot3MsfNsj7EXtrA2q5xSNQ10UqI405h3+duxN4U=
go.uber.org/atomic v0.0.0-20181018215023-8dc6146f7569/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
Expand All @@ -1536,6 +1565,7 @@ go.uber.org/atomic v1.5.1/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A=
go.uber.org/goleak v1.2.1 h1:NBol2c7O1ZokfZ0LEU9K6Whx/KnwvepVetCUhtKja4A=
go.uber.org/multierr v0.0.0-20180122172545-ddea229ff1df/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
Expand Down Expand Up @@ -2125,6 +2155,7 @@ google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6D
google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
google.golang.org/genproto v0.0.0-20211118181313-81c1377c94b1/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
google.golang.org/genproto v0.0.0-20230706204954-ccb25ca9f130 h1:Au6te5hbKUV8pIYWHqOUZ1pva5qK/rwbIhoXEUB9Lu8=
google.golang.org/genproto v0.0.0-20230706204954-ccb25ca9f130/go.mod h1:O9kGHb51iE/nOGvQaDUuadVYqovW56s5emA88lQnj6Y=
Expand Down Expand Up @@ -2167,6 +2198,7 @@ google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAG
google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
google.golang.org/grpc v1.42.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
google.golang.org/grpc v1.47.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
google.golang.org/grpc v1.56.2 h1:fVRFRnXvU+x6C4IlHZewvJOVHoOv1TUuQyoRsYnB4bI=
Expand Down
4 changes: 2 additions & 2 deletions pkg/gce-pd-csi-driver/gce-pd-driver.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -162,12 +162,12 @@ func NewControllerServer(gceDriver *GCEDriver, cloudProvider gce.GCECompute, err
}
}

func (gceDriver *GCEDriver) Run(endpoint string, grpcLogCharCap int) {
func (gceDriver *GCEDriver) Run(endpoint string, grpcLogCharCap int, enableOtelTracing bool) {
maxLogChar = grpcLogCharCap

klog.V(4).Infof("Driver: %v", gceDriver.name)
//Start the nonblocking GRPC
s := NewNonBlockingGRPCServer()
s := NewNonBlockingGRPCServer(enableOtelTracing)
// TODO(#34): Only start specific servers based on a flag.
// In the future have this only run specific combinations of servers depending on which version this is.
// The schema for that was in util. basically it was just s.start but with some nil servers.
Expand Down
17 changes: 12 additions & 5 deletions pkg/gce-pd-csi-driver/server.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import (
"path/filepath"
"sync"

"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
"google.golang.org/grpc"
"k8s.io/klog/v2"

Expand All @@ -39,14 +40,15 @@ type NonBlockingGRPCServer interface {
ForceStop()
}

func NewNonBlockingGRPCServer() NonBlockingGRPCServer {
return &nonBlockingGRPCServer{}
func NewNonBlockingGRPCServer(enableOtelTracing bool) NonBlockingGRPCServer {
return &nonBlockingGRPCServer{otelTracing: enableOtelTracing}
}

// NonBlocking server
type nonBlockingGRPCServer struct {
wg sync.WaitGroup
server *grpc.Server
wg sync.WaitGroup
server *grpc.Server
otelTracing bool
}

func (s *nonBlockingGRPCServer) Start(endpoint string, ids csi.IdentityServer, cs csi.ControllerServer, ns csi.NodeServer) {
Expand All @@ -71,8 +73,13 @@ func (s *nonBlockingGRPCServer) ForceStop() {
}

func (s *nonBlockingGRPCServer) serve(endpoint string, ids csi.IdentityServer, cs csi.ControllerServer, ns csi.NodeServer) {
grpcInterceptor := grpc.UnaryInterceptor(logGRPC)
if s.otelTracing {
grpcInterceptor = grpc.ChainUnaryInterceptor(logGRPC, otelgrpc.UnaryServerInterceptor())
}

opts := []grpc.ServerOption{
grpc.UnaryInterceptor(logGRPC),
grpcInterceptor,
}

u, err := url.Parse(endpoint)
Expand Down
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