NETOBSERV-1974: Refactor network events to return list of maps instead of strings

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/mdlayher/ethernet v0.0.0-20220221185849-529eae5b6118
 	github.com/netobserv/flowlogs-pipeline v1.6.1-crc0.0.20240930010330-bc3d4ebb4a88
 	github.com/netobserv/gopipes v0.3.0
-	github.com/ovn-org/ovn-kubernetes/go-controller v0.0.0-20240902083137-5d2310e77f87
+	github.com/ovn-org/ovn-kubernetes/go-controller v0.0.0-20241126140656-c95491e46334
 	github.com/paulbellamy/ratecounter v0.2.0
 	github.com/prometheus/client_golang v1.20.5
 	github.com/segmentio/kafka-go v0.4.47
@@ -47,7 +47,7 @@ require (
 	github.com/containernetworking/cni v1.1.2 // indirect
 	github.com/containernetworking/plugins v1.2.0 // indirect
 	github.com/coreos/go-iptables v0.6.0 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.3 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
@@ -109,16 +109,17 @@ require (
 	github.com/safchain/ethtool v0.3.1-0.20231027162144-83e5e0097c91 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
-	github.com/urfave/cli/v2 v2.2.0 // indirect
+	github.com/urfave/cli/v2 v2.27.2 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
 	github.com/xdg-go/scram v1.1.2 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/xrash/smetrics v0.0.0-20240312152122-5f08fbb34913 // indirect
 	go.opentelemetry.io/otel v1.29.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.29.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.29.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.26.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.25.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.28.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.27.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.26.0 // indirect
 	go.opentelemetry.io/otel/metric v1.29.0 // indirect
 	go.opentelemetry.io/otel/sdk v1.29.0 // indirect
@@ -141,12 +142,12 @@ require (
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/component-base v0.30.2 // indirect
+	k8s.io/component-base v0.31.1 // indirect
 	k8s.io/klog/v2 v2.130.1 // indirect
 	k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect
 	k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 // indirect
 	lukechampine.com/uint128 v1.2.0 // indirect
-	sigs.k8s.io/controller-runtime v0.18.4 // indirect
+	sigs.k8s.io/controller-runtime v0.19.0 // indirect
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
 	sigs.k8s.io/yaml v1.4.0 // indirect

pkg/decode/decode_protobuf.go

@@ -135,13 +135,7 @@ func RecordToMap(fr *model.Record) config.GenericMap {
 	}
 
 	if len(fr.NetworkMonitorEventsMD) != 0 {
-		var metadata []string
-		for _, md := range fr.NetworkMonitorEventsMD {
-			if md != "" {
-				metadata = append(metadata, md)
-			}
-		}
-		out["NetworkEvents"] = metadata
+		out["NetworkEvents"] = fr.NetworkMonitorEventsMD
 	}
 	return out
 }

pkg/decode/decode_protobuf_test.go

@@ -68,6 +68,26 @@ func TestPBFlowToMap(t *testing.T) {
 		DnsFlags:               0x80,
 		DnsErrno:               0,
 		TimeFlowRtt:            durationpb.New(someDuration),
+		NetworkEventsMetadata: []*pbflow.NetworkEvent{
+			{
+				Events: map[string]string{
+					"Name":      "test1",
+					"Type":      "NetworkPolicy",
+					"Feature":   "acl",
+					"Namespace": "test-namespace",
+					"Direction": "ingress",
+				},
+			},
+			{
+				Events: map[string]string{
+					"Name":      "test2",
+					"Type":      "NetworkPolicy",
+					"Feature":   "acl",
+					"Namespace": "test-namespace",
+					"Direction": "egress",
+				},
+			},
+		},
 	}
 
 	out := PBFlowToMap(flow)
@@ -103,6 +123,22 @@ func TestPBFlowToMap(t *testing.T) {
 		"DnsFlagsResponseCode":   "NoError",
 		"DnsErrno":               uint8(0),
 		"TimeFlowRttNs":          someDuration.Nanoseconds(),
+		"NetworkEvents": []config.GenericMap{
+			{
+				"Name":      "test1",
+				"Type":      "NetworkPolicy",
+				"Feature":   "acl",
+				"Namespace": "test-namespace",
+				"Direction": "ingress",
+			},
+			{
+				"Name":      "test2",
+				"Type":      "NetworkPolicy",
+				"Feature":   "acl",
+				"Namespace": "test-namespace",
+				"Direction": "egress",
+			},
+		},
 	}, out)
 
 }

pkg/flow/account_test.go

@@ -4,6 +4,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/netobserv/flowlogs-pipeline/pkg/config"
 	"github.com/netobserv/netobserv-ebpf-agent/pkg/ebpf"
 	"github.com/netobserv/netobserv-ebpf-agent/pkg/metrics"
 	"github.com/netobserv/netobserv-ebpf-agent/pkg/model"
@@ -112,7 +113,7 @@ func TestEvict_MaxEntries(t *testing.T) {
 			TimeFlowStart:          now.Add(-(1000 - 123) * time.Nanosecond),
 			TimeFlowEnd:            now.Add(-(1000 - 789) * time.Nanosecond),
 			DupList:                make([]map[string]uint8, 0),
-			NetworkMonitorEventsMD: make([]string, 0),
+			NetworkMonitorEventsMD: make([]config.GenericMap, 0),
 		},
 		k2: {
 			RawRecord: model.RawRecord{
@@ -124,7 +125,7 @@ func TestEvict_MaxEntries(t *testing.T) {
 			TimeFlowStart:          now.Add(-(1000 - 456) * time.Nanosecond),
 			TimeFlowEnd:            now.Add(-(1000 - 456) * time.Nanosecond),
 			DupList:                make([]map[string]uint8, 0),
-			NetworkMonitorEventsMD: make([]string, 0),
+			NetworkMonitorEventsMD: make([]config.GenericMap, 0),
 		},
 	}, received)
 }
@@ -194,7 +195,7 @@ func TestEvict_Period(t *testing.T) {
 		TimeFlowStart:          now.Add(-1000 + 123),
 		TimeFlowEnd:            now.Add(-1000 + 789),
 		DupList:                make([]map[string]uint8, 0),
-		NetworkMonitorEventsMD: make([]string, 0),
+		NetworkMonitorEventsMD: make([]config.GenericMap, 0),
 	}, *records[0])
 	records = receiveTimeout(t, evictor)
 	require.Len(t, records, 1)
@@ -212,7 +213,7 @@ func TestEvict_Period(t *testing.T) {
 		TimeFlowStart:          now.Add(-1000 + 1123),
 		TimeFlowEnd:            now.Add(-1000 + 1456),
 		DupList:                make([]map[string]uint8, 0),
-		NetworkMonitorEventsMD: make([]string, 0),
+		NetworkMonitorEventsMD: make([]config.GenericMap, 0),
 	}, *records[0])
 
 	// no more flows are evicted

pkg/flow/deduper_test.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 
+	"github.com/netobserv/flowlogs-pipeline/pkg/config"
 	"github.com/netobserv/netobserv-ebpf-agent/pkg/ebpf"
 	"github.com/netobserv/netobserv-ebpf-agent/pkg/metrics"
 	"github.com/netobserv/netobserv-ebpf-agent/pkg/model"
@@ -78,7 +79,7 @@ var (
 		DstMac: model.MacAddr{0x2}, SrcMac: model.MacAddr{0x2}, IfIndex: 2,
 	}, Metrics: ebpf.BpfFlowMetrics{
 		Packets: 2, Bytes: 456, Flags: 1, FlowRtt: 100,
-	}}, Interface: "123456789", NetworkMonitorEventsMD: []string{"test netpol1"}}
+	}}, Interface: "123456789", NetworkMonitorEventsMD: []config.GenericMap{{"Name": "test netpol1"}}}
 )
 
 func TestDedupe(t *testing.T) {

pkg/model/record.go

@@ -8,6 +8,7 @@ import (
 	"reflect"
 	"time"
 
+	"github.com/netobserv/flowlogs-pipeline/pkg/config"
 	"github.com/netobserv/netobserv-ebpf-agent/pkg/ebpf"
 )
 
@@ -59,7 +60,7 @@ type Record struct {
 	// Calculated RTT which is set when record is created by calling NewRecord
 	TimeFlowRtt            time.Duration
 	DupList                []map[string]uint8
-	NetworkMonitorEventsMD []string
+	NetworkMonitorEventsMD []config.GenericMap
 }
 
 func NewRecord(
@@ -86,7 +87,7 @@ func NewRecord(
 		record.DNSLatency = time.Duration(metrics.DnsRecord.Latency)
 	}
 	record.DupList = make([]map[string]uint8, 0)
-	record.NetworkMonitorEventsMD = make([]string, 0)
+	record.NetworkMonitorEventsMD = make([]config.GenericMap, 0)
 	return &record
 }
 
@@ -151,7 +152,7 @@ func IP(ia IPAddr) net.IP {
 }
 
 // IntEncodeV4 encodes an IPv4 address as an integer (in network encoding, big endian).
-// It assumes that the passed IP is already IPv4. Otherwise it would just encode the
+// It assumes that the passed IP is already IPv4. Otherwise, it would just encode the
 // last 4 bytes of an IPv6 address
 func IntEncodeV4(ia [net.IPv6len]uint8) uint32 {
 	return binary.BigEndian.Uint32(ia[net.IPv6len-net.IPv4len : net.IPv6len])