Merge pull request #700 from andyzhangx/statfs-cache

fix: add VolumeStats cache to avoid massive statfs calls

cmd/smbplugin/main.go

@@ -44,6 +44,7 @@ var (
 	enableGetVolumeStats          = flag.Bool("enable-get-volume-stats", true, "allow GET_VOLUME_STATS on agent node")
 	removeSMBMappingDuringUnmount = flag.Bool("remove-smb-mapping-during-unmount", true, "remove SMBMapping during unmount on Windows node")
 	workingMountDir               = flag.String("working-mount-dir", "/tmp", "working directory for provisioner to mount smb shares temporarily")
+	volStatsCacheExpireInMinutes  = flag.Int("vol-stats-cache-expire-in-minutes", 10, "The cache expire time in minutes for volume stats cache")
 )
 
 func main() {
@@ -72,6 +73,7 @@ func handle() {
 		EnableGetVolumeStats:          *enableGetVolumeStats,
 		RemoveSMBMappingDuringUnmount: *removeSMBMappingDuringUnmount,
 		WorkingMountDir:               *workingMountDir,
+		VolStatsCacheExpireInMinutes:  *volStatsCacheExpireInMinutes,
 	}
 	driver := smb.NewDriver(&driverOptions)
 	driver.Run(*endpoint, *kubeconfig, false)

go.mod

@@ -13,8 +13,8 @@ require (
 	github.com/golang/protobuf v1.5.3
 	github.com/kubernetes-csi/csi-lib-utils v0.13.0
 	github.com/kubernetes-csi/csi-proxy/client v1.0.1
-	github.com/onsi/ginkgo/v2 v2.9.4
-	github.com/onsi/gomega v1.27.6
+	github.com/onsi/ginkgo/v2 v2.13.0
+	github.com/onsi/gomega v1.28.0
 	github.com/pborman/uuid v1.2.1
 	github.com/pelletier/go-toml v1.7.0
 	github.com/stretchr/testify v1.8.4
@@ -29,6 +29,7 @@ require (
 	k8s.io/mount-utils v0.28.4
 	k8s.io/pod-security-admission v0.28.4
 	k8s.io/utils v0.0.0-20230726121419-3b25d923346b
+	sigs.k8s.io/cloud-provider-azure v1.28.4
 	sigs.k8s.io/yaml v1.3.0
 )
 
@@ -51,9 +52,9 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/docker/distribution v2.8.2+incompatible // indirect
 	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
-	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
-	github.com/felixge/httpsnoop v1.0.3 // indirect
-	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/evanphx/json-patch v5.7.0+incompatible // indirect
+	github.com/felixge/httpsnoop v1.0.4 // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/go-logr/logr v1.3.0 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-openapi/jsonpointer v0.19.6 // indirect
@@ -65,12 +66,12 @@ require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/google/cel-go v0.16.1 // indirect
 	github.com/google/gnostic-models v0.6.8 // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 // indirect
 	github.com/google/uuid v1.3.1 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.0 // indirect
 	github.com/imdario/mergo v0.3.6 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
@@ -90,30 +91,29 @@ require (
 	github.com/prometheus/client_model v0.4.0 // indirect
 	github.com/prometheus/common v0.44.0 // indirect
 	github.com/prometheus/procfs v0.10.1 // indirect
-	github.com/spf13/cobra v1.7.0 // indirect
+	github.com/spf13/cobra v1.8.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stoewer/go-strcase v1.2.0 // indirect
 	go.etcd.io/etcd/api/v3 v3.5.9 // indirect
 	go.etcd.io/etcd/client/pkg/v3 v3.5.9 // indirect
 	go.etcd.io/etcd/client/v3 v3.5.9 // indirect
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.35.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.35.1 // indirect
-	go.opentelemetry.io/otel v1.10.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.10.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.10.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.10.0 // indirect
-	go.opentelemetry.io/otel/metric v0.31.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.10.0 // indirect
-	go.opentelemetry.io/otel/trace v1.10.0 // indirect
-	go.opentelemetry.io/proto/otlp v0.19.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.46.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.46.0 // indirect
+	go.opentelemetry.io/otel v1.20.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.20.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.20.0 // indirect
+	go.opentelemetry.io/otel/metric v1.20.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.20.0 // indirect
+	go.opentelemetry.io/otel/trace v1.20.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.0.0 // indirect
 	go.uber.org/atomic v1.10.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.19.0 // indirect
 	golang.org/x/crypto v0.14.0 // indirect
 	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e // indirect
 	golang.org/x/mod v0.12.0 // indirect
 	golang.org/x/oauth2 v0.11.0 // indirect
-	golang.org/x/sync v0.3.0 // indirect
+	golang.org/x/sync v0.4.0 // indirect
 	golang.org/x/sys v0.14.0 // indirect
 	golang.org/x/term v0.13.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
@@ -130,13 +130,13 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/apiextensions-apiserver v0.0.0 // indirect
 	k8s.io/apiserver v0.28.4 // indirect
-	k8s.io/cloud-provider v0.0.0 // indirect
+	k8s.io/cloud-provider v0.28.4 // indirect
 	k8s.io/component-helpers v0.28.4 // indirect
 	k8s.io/controller-manager v0.28.4 // indirect
 	k8s.io/kms v0.28.4 // indirect
 	k8s.io/kube-openapi v0.0.0-20230717233707-2695361300d9 // indirect
 	k8s.io/kubectl v0.0.0 // indirect
-	k8s.io/kubelet v0.0.0 // indirect
+	k8s.io/kubelet v0.28.4 // indirect
 	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.1.2 // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect