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allow to disable the gRPC server #2826

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merged 1 commit into from
Aug 21, 2024
+7 −2
Merged

allow to disable the gRPC server #2826

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4 changes: 4 additions & 0 deletions cmd/tetragon/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -767,6 +767,10 @@ func startExporter(ctx context.Context, server *server.Server) error {
}

func Serve(ctx context.Context, listenAddr string, srv *server.Server) error {
// we use an empty listen address to effectively disable the gRPC server
if len(listenAddr) == 0 {
return nil
}
grpcServer := grpc.NewServer()
tetragon.RegisterFineGuidanceSensorsServer(grpcServer, srv)
proto, addr, err := server.SplitListenAddr(listenAddr)
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2 changes: 1 addition & 1 deletion docs/data/tetragon_flags.yaml
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1 change: 1 addition & 0 deletions install/kubernetes/tetragon/templates/tetragon_configmap.yaml
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Expand Up @@ -44,6 +44,7 @@ data:
{{- if .Values.tetragon.grpc.enabled }}
server-address: {{ .Values.tetragon.grpc.address }}
{{- else }}
server-address: ""
{{- end }}
{{- if .Values.tetragon.healthGrpc.enabled }}
health-server-address: :{{ .Values.tetragon.healthGrpc.port }}
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2 changes: 1 addition & 1 deletion pkg/option/flags.go
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Expand Up @@ -296,7 +296,7 @@ func AddFlags(flags *pflag.FlagSet) {
flags.Bool(KeyEnableProcessAncestors, true, "Include ancestors in process exec events")
flags.String(KeyMetricsServer, "", "Metrics server address (e.g. ':2112'). Disabled by default")
flags.String(KeyMetricsLabelFilter, "namespace,workload,pod,binary", "Comma-separated list of enabled metrics labels. Unknown labels will be ignored.")
flags.String(KeyServerAddress, "localhost:54321", "gRPC server address (e.g. 'localhost:54321' or 'unix:///var/run/tetragon/tetragon.sock'")
flags.String(KeyServerAddress, "localhost:54321", "gRPC server address (e.g. 'localhost:54321' or 'unix:///var/run/tetragon/tetragon.sock'). An empty address disables the gRPC server")
flags.String(KeyGopsAddr, "", "gops server address (e.g. 'localhost:8118'). Disabled by default")
flags.Bool(KeyEnableProcessCred, false, "Enable process_cred events")
flags.Bool(KeyEnableProcessNs, false, "Enable namespace information in process_exec and process_kprobe events")
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