Files
akvorado/outlet/core/enricher_test.go
Vincent Bernat 6e1d3c30d2 outlet/core: accept flows where interface names are missing
This matches the pre-2.0.0 behavior. This may not be a bug, but the idea
is that one interface is enough to be valid. Some implementations seem
to use bogus indexes.

See https://github.com/akvorado/akvorado/discussions/1998#discussioncomment-14992940
2025-11-17 21:08:03 +01:00

891 lines
30 KiB
Go

// SPDX-FileCopyrightText: 2022 Free Mobile
// SPDX-License-Identifier: AGPL-3.0-only
package core
import (
"bytes"
"encoding/gob"
"fmt"
"maps"
"net/netip"
"sync"
"testing"
"time"
"github.com/gin-gonic/gin"
"github.com/go-viper/mapstructure/v2"
"google.golang.org/protobuf/proto"
"akvorado/common/daemon"
"akvorado/common/helpers"
"akvorado/common/httpserver"
"akvorado/common/pb"
"akvorado/common/reporter"
"akvorado/common/schema"
"akvorado/outlet/clickhouse"
"akvorado/outlet/flow"
"akvorado/outlet/kafka"
"akvorado/outlet/metadata"
"akvorado/outlet/routing"
)
func TestEnrich(t *testing.T) {
cases := []struct {
Name string
Configuration gin.H
InputFlow func() *schema.FlowMessage
OutputFlow *schema.FlowMessage
ExpectedMetrics map[string]string
}{
{
Name: "no rule",
Configuration: gin.H{},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
},
},
},
{
Name: "no rule, override sampling rate",
Configuration: gin.H{"overridesamplingrate": gin.H{
"192.0.2.0/24": 100,
"192.0.2.128/25": 500,
"192.0.2.141/32": 1000,
}},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 500,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
},
},
},
{
Name: "no rule, no sampling rate, default is one value",
Configuration: gin.H{"defaultsamplingrate": 500},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 500,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
},
},
},
{
Name: "no rule, no sampling rate, default is map",
Configuration: gin.H{"defaultsamplingrate": gin.H{
"192.0.2.0/24": 100,
"192.0.2.128/25": 500,
"192.0.2.141/32": 1000,
}},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 500,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
},
},
},
{
Name: "exporter rule",
Configuration: gin.H{
"exporterclassifiers": []string{
`Exporter.Name startsWith "hello" && ClassifyRegion("europe")`,
`Exporter.Name startsWith "192_" && ClassifyRegion("asia")`,
`ClassifyRegion("other") && ClassifySite("unknown") && ClassifyTenant("alfred")`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnExporterRegion: "asia",
schema.ColumnExporterTenant: "alfred",
schema.ColumnExporterSite: "unknown",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
},
},
},
{
Name: "exporter rule with an error",
Configuration: gin.H{
"exporterclassifiers": []string{
`ClassifyTenant("alfred")`,
`Exporter.Name > "hello"`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnExporterTenant: "alfred",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
},
},
},
{
Name: "exporter rule with reject",
Configuration: gin.H{
"exporterclassifiers": []string{
`Reject()`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: nil,
},
{
Name: "interface rule with reject",
Configuration: gin.H{
"interfaceclassifiers": []string{
`Reject()`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: nil,
},
{
Name: "interface rule with index",
Configuration: gin.H{
"interfaceclassifiers": []string{
`Interface.Index == 100 && ClassifyProvider("index1")`,
`Interface.Index == 200 && ClassifyProvider("index2")`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfProvider: "index1",
schema.ColumnOutIfProvider: "index2",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
},
},
},
{
Name: "interface rule with rename",
Configuration: gin.H{
"interfaceclassifiers": []string{
`Interface.Name == "Gi0/0/100" && SetName("eth100")`,
`Interface.Name == "Gi0/0/200" && SetDescription("Super Speed")`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfName: "eth100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Super Speed",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
},
},
},
{
Name: "interface rule with VLAN",
Configuration: gin.H{
"interfaceclassifiers": []string{
`Interface.VLAN > 200 && SetName(Format("%s.%d", Interface.Name, Interface.VLAN))`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
SrcVlan: 10,
DstVlan: 300,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 100,
OutIf: 200,
SrcVlan: 10,
DstVlan: 300,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200.300",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
},
},
},
{
Name: "interface rule",
Configuration: gin.H{
"interfaceclassifiers": []string{
`
Interface.Description startsWith "Transit:" &&
ClassifyConnectivity("transit") &&
ClassifyExternal() &&
ClassifyProviderRegex(Interface.Description, "^Transit: ([^ ]+)", "$1")`,
`ClassifyInternal()`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
schema.ColumnInIfBoundary: uint8(schema.InterfaceBoundaryInternal),
schema.ColumnOutIfBoundary: uint8(schema.InterfaceBoundaryInternal),
},
},
},
{
Name: "configure twice boundary",
Configuration: gin.H{
"interfaceclassifiers": []string{
`ClassifyInternal()`,
`ClassifyExternal()`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
schema.ColumnInIfBoundary: uint8(2), // Internal
schema.ColumnOutIfBoundary: uint8(2),
},
},
},
{
Name: "configure twice provider",
Configuration: gin.H{
"interfaceclassifiers": []string{
`ClassifyProvider("telia")`,
`ClassifyProvider("cogent")`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
schema.ColumnInIfProvider: "telia",
schema.ColumnOutIfProvider: "telia",
},
},
},
{
Name: "classify depending on description",
Configuration: gin.H{
"interfaceclassifiers": []string{
`ClassifyProvider("Othello")`,
`ClassifyConnectivityRegex(Interface.Description, " (1\\d+)$", "P$1") && ClassifyExternal()`,
`ClassifyInternal() && ClassifyConnectivity("core")`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
schema.ColumnInIfConnectivity: "p100",
schema.ColumnOutIfConnectivity: "core",
schema.ColumnInIfProvider: "othello",
schema.ColumnOutIfProvider: "othello",
schema.ColumnInIfBoundary: uint8(1), // external
schema.ColumnOutIfBoundary: uint8(2), // internal
},
},
},
{
Name: "use metatada instead of classifier",
Configuration: gin.H{
"interfaceclassifiers": []string{
`ClassifyProvider("Othello")`,
`ClassifyConnectivityRegex(Interface.Description, " (1\\d+)$", "P$1") && ClassifyExternal()`,
`ClassifyInternal() && ClassifyConnectivity("core")`,
},
},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 1010,
OutIf: 2010,
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 1010,
OutIf: 2010,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnExporterGroup: "metadata group",
schema.ColumnExporterRegion: "metadata region",
schema.ColumnExporterRole: "metadata role",
schema.ColumnExporterSite: "metadata site",
schema.ColumnExporterTenant: "metadata tenant",
schema.ColumnInIfName: "Gi0/0/1010",
schema.ColumnOutIfName: "Gi0/0/2010",
schema.ColumnInIfDescription: "Interface 1010",
schema.ColumnOutIfDescription: "Interface 2010",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
schema.ColumnInIfConnectivity: "p1010",
schema.ColumnOutIfConnectivity: "metadata connectivity",
schema.ColumnInIfProvider: "othello",
schema.ColumnOutIfProvider: "metadata provider",
schema.ColumnInIfBoundary: uint8(schema.InterfaceBoundaryExternal),
schema.ColumnOutIfBoundary: uint8(schema.InterfaceBoundaryExternal),
},
},
},
{
Name: "use data from routing",
Configuration: gin.H{},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 100,
OutIf: 200,
SrcAddr: netip.MustParseAddr("::ffff:192.0.2.142"),
DstAddr: netip.MustParseAddr("::ffff:192.0.2.10"),
}
},
OutputFlow: &schema.FlowMessage{
SamplingRate: 1000,
InIf: 100,
OutIf: 200,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
SrcAddr: netip.MustParseAddr("::ffff:192.0.2.142"),
DstAddr: netip.MustParseAddr("::ffff:192.0.2.10"),
SrcAS: 1299,
DstAS: 174,
SrcNetMask: 27,
DstNetMask: 27,
OtherColumns: map[schema.ColumnKey]any{
schema.ColumnExporterName: "192_0_2_142",
schema.ColumnInIfName: "Gi0/0/100",
schema.ColumnOutIfName: "Gi0/0/200",
schema.ColumnInIfDescription: "Interface 100",
schema.ColumnOutIfDescription: "Interface 200",
schema.ColumnInIfSpeed: uint32(1000),
schema.ColumnOutIfSpeed: uint32(1000),
schema.ColumnDstASPath: []uint32{64200, 1299, 174},
schema.ColumnDstCommunities: []uint32{100, 200, 400},
schema.ColumnDstLargeCommunities: []schema.UInt128{
{High: 64200, Low: (uint64(2) << 32) + uint64(3)},
},
},
},
},
{
Name: "flow with missing interfaces",
Configuration: gin.H{},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 0,
OutIf: 0,
}
},
OutputFlow: nil,
ExpectedMetrics: map[string]string{
`flows_errors_total{error="input and output interfaces missing",exporter="192.0.2.142"}`: "1",
},
},
{
Name: "flow with metadata cache miss",
Configuration: gin.H{},
InputFlow: func() *schema.FlowMessage {
return &schema.FlowMessage{
SamplingRate: 1000,
ExporterAddress: netip.MustParseAddr("::ffff:192.0.2.142"),
InIf: 999,
OutIf: 0,
}
},
OutputFlow: nil,
ExpectedMetrics: map[string]string{
`flows_errors_total{error="metadata cache miss",exporter="192.0.2.142"}`: "1",
},
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
r := reporter.NewMock(t)
// Prepare all components.
daemonComponent := daemon.NewMock(t)
metadataComponent := metadata.NewMock(t, r, metadata.DefaultConfiguration(),
metadata.Dependencies{Daemon: daemonComponent})
flowComponent, err := flow.New(r, flow.Dependencies{Schema: schema.NewMock(t)})
if err != nil {
t.Fatalf("flow.New() error:\n%+v", err)
}
httpComponent := httpserver.NewMock(t, r)
routingComponent := routing.NewMock(t, r)
routingComponent.PopulateRIB(t)
kafkaComponent, incoming := kafka.NewMock(t, kafka.DefaultConfiguration())
var clickhouseMessages []*schema.FlowMessage
var clickhouseMessagesMutex sync.Mutex
clickhouseComponent := clickhouse.NewMock(t, func(msg *schema.FlowMessage) {
clickhouseMessagesMutex.Lock()
defer clickhouseMessagesMutex.Unlock()
clickhouseMessages = append(clickhouseMessages, msg)
})
// Prepare a configuration
configuration := DefaultConfiguration()
decoder, err := mapstructure.NewDecoder(helpers.GetMapStructureDecoderConfig(&configuration))
if err != nil {
t.Fatalf("NewDecoder() error:\n%+v", err)
}
if err := decoder.Decode(tc.Configuration); err != nil {
t.Fatalf("Decode() error:\n%+v", err)
}
// Instantiate and start core
c, err := New(r, configuration, Dependencies{
Daemon: daemonComponent,
Flow: flowComponent,
Metadata: metadataComponent,
Kafka: kafkaComponent,
ClickHouse: clickhouseComponent,
HTTP: httpComponent,
Routing: routingComponent,
Schema: schema.NewMock(t),
})
if err != nil {
t.Fatalf("New() error:\n%+v", err)
}
helpers.StartStop(t, c)
clickhouseMessagesMutex.Lock()
clickhouseMessages = clickhouseMessages[:0]
clickhouseMessagesMutex.Unlock()
inputFlow := tc.InputFlow()
var buf bytes.Buffer
encoder := gob.NewEncoder(&buf)
if err := encoder.Encode(inputFlow); err != nil {
t.Fatalf("gob.Encode() error: %v", err)
}
rawFlow := &pb.RawFlow{
TimeReceived: uint64(time.Now().Unix()),
Payload: buf.Bytes(),
SourceAddress: inputFlow.ExporterAddress.AsSlice(),
UseSourceAddress: false,
Decoder: pb.RawFlow_DECODER_GOB,
TimestampSource: pb.RawFlow_TS_INPUT,
}
data, err := proto.Marshal(rawFlow)
if err != nil {
t.Fatalf("proto.Marshal() error: %v", err)
}
incoming <- data
time.Sleep(100 * time.Millisecond)
clickhouseMessagesMutex.Lock()
clickhouseMessagesLen := len(clickhouseMessages)
var lastMessage *schema.FlowMessage
if clickhouseMessagesLen > 0 {
lastMessage = clickhouseMessages[clickhouseMessagesLen-1]
}
clickhouseMessagesMutex.Unlock()
if tc.OutputFlow != nil && clickhouseMessagesLen > 0 {
if diff := helpers.Diff(lastMessage, tc.OutputFlow); diff != "" {
t.Errorf("Enriched flow differs (-got, +want):\n%s", diff)
}
}
gotMetrics := r.GetMetrics("akvorado_outlet_core_", "-processing_", "flows_", "received_", "forwarded_")
expectedMetrics := map[string]string{
`flows_http_clients`: "0",
`received_flows_total{exporter="192.0.2.142"}`: "1",
`received_raw_flows_total`: "1",
}
if tc.OutputFlow != nil {
expectedMetrics[`forwarded_flows_total{exporter="192.0.2.142"}`] = "1"
}
maps.Copy(expectedMetrics, tc.ExpectedMetrics)
if diff := helpers.Diff(gotMetrics, expectedMetrics); diff != "" {
t.Fatalf("Metrics (-got, +want):\n%s", diff)
}
})
}
}
func TestGetASNumber(t *testing.T) {
cases := []struct {
Pos helpers.Pos
Addr string
FlowAS uint32
BMPAS uint32
Providers []ASNProvider
Expected uint32
}{
// 1
{helpers.Mark(), "1.0.0.1", 12322, 0, []ASNProvider{ASNProviderFlow}, 12322},
{helpers.Mark(), "::ffff:1.0.0.1", 12322, 0, []ASNProvider{ASNProviderFlow}, 12322},
{helpers.Mark(), "1.0.0.1", 65536, 0, []ASNProvider{ASNProviderFlow}, 65536},
{helpers.Mark(), "1.0.0.1", 65536, 0, []ASNProvider{ASNProviderFlowExceptPrivate}, 0},
{helpers.Mark(), "1.0.0.1", 4_200_000_121, 0, []ASNProvider{ASNProviderFlowExceptPrivate}, 0},
{helpers.Mark(), "1.0.0.1", 65536, 0, []ASNProvider{ASNProviderFlowExceptPrivate, ASNProviderFlow}, 65536},
{helpers.Mark(), "1.0.0.1", 12322, 0, []ASNProvider{ASNProviderFlowExceptPrivate}, 12322},
// 10
{helpers.Mark(), "192.0.2.2", 12322, 174, []ASNProvider{ASNProviderRouting}, 174},
{helpers.Mark(), "192.0.2.129", 12322, 1299, []ASNProvider{ASNProviderRouting}, 1299},
{helpers.Mark(), "192.0.2.254", 12322, 0, []ASNProvider{ASNProviderRouting}, 0},
{helpers.Mark(), "1.0.0.1", 12322, 65300, []ASNProvider{ASNProviderRouting}, 65300},
{helpers.Mark(), "1.0.0.1", 12322, 65300, []ASNProvider{ASNProviderGeoIP, ASNProviderRouting}, 0},
}
for _, tc := range cases {
t.Run(fmt.Sprintf("case %s", tc.Pos), func(t *testing.T) {
r := reporter.NewMock(t)
// We don't need all components as we won't start the component.
configuration := DefaultConfiguration()
configuration.ASNProviders = tc.Providers
routingComponent := routing.NewMock(t, r)
routingComponent.PopulateRIB(t)
c, err := New(r, configuration, Dependencies{
Daemon: daemon.NewMock(t),
Routing: routingComponent,
Schema: schema.NewMock(t),
})
if err != nil {
t.Fatalf("%sNew() error:\n%+v", tc.Pos, err)
}
got := c.getASNumber(tc.FlowAS, tc.BMPAS)
if diff := helpers.Diff(got, tc.Expected); diff != "" {
t.Fatalf("%sgetASNumber() (-got, +want):\n%s", tc.Pos, diff)
}
})
}
}
func TestGetNetMask(t *testing.T) {
cases := []struct {
Pos helpers.Pos
FlowNetMask uint8
BMPNetMask uint8
Providers []NetProvider
Expected uint8
}{
// Flow
{helpers.Mark(), 0, 0, []NetProvider{NetProviderFlow}, 0},
{helpers.Mark(), 32, 0, []NetProvider{NetProviderFlow}, 32},
{helpers.Mark(), 0, 16, []NetProvider{NetProviderFlow}, 0},
// BMP
{helpers.Mark(), 0, 0, []NetProvider{NetProviderRouting}, 0},
{helpers.Mark(), 32, 12, []NetProvider{NetProviderRouting}, 12},
{helpers.Mark(), 0, 16, []NetProvider{NetProviderRouting}, 16},
{helpers.Mark(), 24, 0, []NetProvider{NetProviderRouting}, 0},
// Both, the first provider with a non-default route is taken
{helpers.Mark(), 0, 0, []NetProvider{NetProviderRouting, NetProviderFlow}, 0},
{helpers.Mark(), 12, 0, []NetProvider{NetProviderRouting, NetProviderFlow}, 12},
{helpers.Mark(), 0, 13, []NetProvider{NetProviderRouting, NetProviderFlow}, 13},
{helpers.Mark(), 12, 0, []NetProvider{NetProviderRouting, NetProviderFlow}, 12},
{helpers.Mark(), 12, 24, []NetProvider{NetProviderRouting, NetProviderFlow}, 24},
{helpers.Mark(), 0, 0, []NetProvider{NetProviderFlow, NetProviderRouting}, 0},
{helpers.Mark(), 12, 0, []NetProvider{NetProviderFlow, NetProviderRouting}, 12},
{helpers.Mark(), 0, 13, []NetProvider{NetProviderFlow, NetProviderRouting}, 13},
{helpers.Mark(), 12, 0, []NetProvider{NetProviderFlow, NetProviderRouting}, 12},
{helpers.Mark(), 12, 24, []NetProvider{NetProviderFlow, NetProviderRouting}, 12},
}
for _, tc := range cases {
t.Run(fmt.Sprintf("case %s", tc.Pos), func(t *testing.T) {
r := reporter.NewMock(t)
// We don't need all components as we won't start the component.
configuration := DefaultConfiguration()
configuration.NetProviders = tc.Providers
routingComponent := routing.NewMock(t, r)
routingComponent.PopulateRIB(t)
c, err := New(r, configuration, Dependencies{
Daemon: daemon.NewMock(t),
Routing: routingComponent,
Schema: schema.NewMock(t),
})
if err != nil {
t.Fatalf("New() error:\n%+v", err)
}
got := c.getNetMask(tc.FlowNetMask, uint8(tc.BMPNetMask))
if diff := helpers.Diff(got, tc.Expected); diff != "" {
t.Fatalf("getNetMask() (-got, +want):\n%s", diff)
}
})
}
}
func TestGetNextHop(t *testing.T) {
nh1 := netip.MustParseAddr("2001:db8::1")
nh2 := netip.MustParseAddr("2001:db8::2")
cases := []struct {
Pos helpers.Pos
FlowNextHop netip.Addr
RoutingNextHop netip.Addr
Providers []NetProvider
Expected netip.Addr
}{
// Flow
{helpers.Mark(), netip.IPv6Unspecified(), netip.IPv6Unspecified(), []NetProvider{NetProviderFlow}, netip.IPv6Unspecified()},
{helpers.Mark(), nh1, netip.IPv6Unspecified(), []NetProvider{NetProviderFlow}, nh1},
{helpers.Mark(), netip.IPv6Unspecified(), nh1, []NetProvider{NetProviderFlow}, netip.IPv6Unspecified()},
// Routing
{helpers.Mark(), netip.IPv6Unspecified(), netip.IPv6Unspecified(), []NetProvider{NetProviderRouting}, netip.IPv6Unspecified()},
{helpers.Mark(), nh1, netip.IPv6Unspecified(), []NetProvider{NetProviderRouting}, netip.IPv6Unspecified()},
{helpers.Mark(), netip.IPv6Unspecified(), nh1, []NetProvider{NetProviderRouting}, nh1},
// Both
{helpers.Mark(), netip.IPv6Unspecified(), netip.IPv6Unspecified(), []NetProvider{NetProviderRouting, NetProviderFlow}, netip.IPv6Unspecified()},
{helpers.Mark(), nh1, netip.IPv6Unspecified(), []NetProvider{NetProviderRouting, NetProviderFlow}, nh1},
{helpers.Mark(), netip.IPv6Unspecified(), nh2, []NetProvider{NetProviderRouting, NetProviderFlow}, nh2},
{helpers.Mark(), nh1, netip.IPv6Unspecified(), []NetProvider{NetProviderRouting, NetProviderFlow}, nh1},
{helpers.Mark(), nh1, nh2, []NetProvider{NetProviderRouting, NetProviderFlow}, nh2},
{helpers.Mark(), netip.IPv6Unspecified(), netip.IPv6Unspecified(), []NetProvider{NetProviderFlow, NetProviderRouting}, netip.IPv6Unspecified()},
{helpers.Mark(), nh1, netip.IPv6Unspecified(), []NetProvider{NetProviderFlow, NetProviderRouting}, nh1},
{helpers.Mark(), netip.IPv6Unspecified(), nh2, []NetProvider{NetProviderFlow, NetProviderRouting}, nh2},
{helpers.Mark(), nh1, netip.IPv6Unspecified(), []NetProvider{NetProviderFlow, NetProviderRouting}, nh1},
{helpers.Mark(), nh1, nh2, []NetProvider{NetProviderFlow, NetProviderRouting}, nh1},
}
for _, tc := range cases {
t.Run(fmt.Sprintf("case %s", tc.Pos), func(t *testing.T) {
r := reporter.NewMock(t)
// We don't need all components as we won't start the component.
configuration := DefaultConfiguration()
configuration.NetProviders = tc.Providers
routingComponent := routing.NewMock(t, r)
routingComponent.PopulateRIB(t)
c, err := New(r, configuration, Dependencies{
Daemon: daemon.NewMock(t),
Routing: routingComponent,
Schema: schema.NewMock(t),
})
if err != nil {
t.Fatalf("New() error:\n%+v", err)
}
got := c.getNextHop(tc.FlowNextHop, tc.RoutingNextHop)
if diff := helpers.Diff(got, tc.Expected); diff != "" {
t.Fatalf("getNextHop() (-got, +want):\n%s", diff)
}
})
}
}