Files
akvorado/inlet/core/enricher_test.go
Vincent Bernat 7196ccf73b inlet/bmp: revert new BMP design
It needs more work to be stable. Let's do a release without it.
2022-11-26 11:42:46 +01:00

479 lines
14 KiB
Go

// SPDX-FileCopyrightText: 2022 Free Mobile
// SPDX-License-Identifier: AGPL-3.0-only
package core
import (
"fmt"
"net"
"testing"
"time"
"github.com/Shopify/sarama"
"github.com/gin-gonic/gin"
"github.com/golang/protobuf/proto"
"github.com/mitchellh/mapstructure"
"akvorado/common/daemon"
"akvorado/common/helpers"
"akvorado/common/http"
"akvorado/common/reporter"
"akvorado/inlet/bmp"
"akvorado/inlet/flow"
"akvorado/inlet/flow/decoder"
"akvorado/inlet/geoip"
"akvorado/inlet/kafka"
"akvorado/inlet/snmp"
)
func TestEnrich(t *testing.T) {
cases := []struct {
Name string
Configuration gin.H
InputFlow func() *flow.Message
OutputFlow *flow.Message
}{
{
Name: "no rule",
Configuration: gin.H{},
InputFlow: func() *flow.Message {
return &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
ExporterName: "192_0_2_142",
InIf: 100,
OutIf: 200,
InIfName: "Gi0/0/100",
OutIfName: "Gi0/0/200",
InIfDescription: "Interface 100",
OutIfDescription: "Interface 200",
InIfSpeed: 1000,
OutIfSpeed: 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() *flow.Message {
return &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &flow.Message{
SamplingRate: 500,
ExporterAddress: net.ParseIP("192.0.2.142"),
ExporterName: "192_0_2_142",
InIf: 100,
OutIf: 200,
InIfName: "Gi0/0/100",
OutIfName: "Gi0/0/200",
InIfDescription: "Interface 100",
OutIfDescription: "Interface 200",
InIfSpeed: 1000,
OutIfSpeed: 1000,
},
}, {
Name: "no rule, no sampling rate, default is one value",
Configuration: gin.H{"defaultsamplingrate": 500},
InputFlow: func() *flow.Message {
return &flow.Message{
ExporterAddress: net.ParseIP("192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &flow.Message{
SamplingRate: 500,
ExporterAddress: net.ParseIP("192.0.2.142"),
ExporterName: "192_0_2_142",
InIf: 100,
OutIf: 200,
InIfName: "Gi0/0/100",
OutIfName: "Gi0/0/200",
InIfDescription: "Interface 100",
OutIfDescription: "Interface 200",
InIfSpeed: 1000,
OutIfSpeed: 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() *flow.Message {
return &flow.Message{
ExporterAddress: net.ParseIP("192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &flow.Message{
SamplingRate: 500,
ExporterAddress: net.ParseIP("192.0.2.142"),
ExporterName: "192_0_2_142",
InIf: 100,
OutIf: 200,
InIfName: "Gi0/0/100",
OutIfName: "Gi0/0/200",
InIfDescription: "Interface 100",
OutIfDescription: "Interface 200",
InIfSpeed: 1000,
OutIfSpeed: 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() *flow.Message {
return &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
ExporterName: "192_0_2_142",
ExporterRegion: "asia",
ExporterTenant: "alfred",
ExporterSite: "unknown",
InIf: 100,
OutIf: 200,
InIfName: "Gi0/0/100",
OutIfName: "Gi0/0/200",
InIfDescription: "Interface 100",
OutIfDescription: "Interface 200",
InIfSpeed: 1000,
OutIfSpeed: 1000,
},
}, {
Name: "interface rule",
Configuration: gin.H{
"interfaceclassifiers": []string{
`
Interface.Description startsWith "Transit:" &&
ClassifyConnectivity("transit") &&
ClassifyExternal() &&
ClassifyProviderRegex(Interface.Description, "^Transit: ([^ ]+)", "$1")`,
`ClassifyInternal()`,
},
},
InputFlow: func() *flow.Message {
return &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
ExporterName: "192_0_2_142",
InIf: 100,
OutIf: 200,
InIfName: "Gi0/0/100",
OutIfName: "Gi0/0/200",
InIfDescription: "Interface 100",
OutIfDescription: "Interface 200",
InIfSpeed: 1000,
OutIfSpeed: 1000,
InIfBoundary: 2, // Internal
OutIfBoundary: 2,
},
}, {
Name: "configure twice boundary",
Configuration: gin.H{
"interfaceclassifiers": []string{
`ClassifyInternal()`,
`ClassifyExternal()`,
},
},
InputFlow: func() *flow.Message {
return &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
ExporterName: "192_0_2_142",
InIf: 100,
OutIf: 200,
InIfName: "Gi0/0/100",
OutIfName: "Gi0/0/200",
InIfDescription: "Interface 100",
OutIfDescription: "Interface 200",
InIfSpeed: 1000,
OutIfSpeed: 1000,
InIfBoundary: 2, // Internal
OutIfBoundary: 2,
},
}, {
Name: "configure twice provider",
Configuration: gin.H{
"interfaceclassifiers": []string{
`ClassifyProvider("telia")`,
`ClassifyProvider("cogent")`,
},
},
InputFlow: func() *flow.Message {
return &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
ExporterName: "192_0_2_142",
InIf: 100,
OutIf: 200,
InIfName: "Gi0/0/100",
OutIfName: "Gi0/0/200",
InIfDescription: "Interface 100",
OutIfDescription: "Interface 200",
InIfSpeed: 1000,
OutIfSpeed: 1000,
InIfProvider: "telia",
OutIfProvider: "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() *flow.Message {
return &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
InIf: 100,
OutIf: 200,
}
},
OutputFlow: &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
ExporterName: "192_0_2_142",
InIf: 100,
OutIf: 200,
InIfName: "Gi0/0/100",
OutIfName: "Gi0/0/200",
InIfDescription: "Interface 100",
OutIfDescription: "Interface 200",
InIfSpeed: 1000,
OutIfSpeed: 1000,
InIfConnectivity: "p100",
OutIfConnectivity: "core",
InIfProvider: "othello",
OutIfProvider: "othello",
InIfBoundary: 1, // external
OutIfBoundary: 2, // internal
},
}, {
Name: "use data from BMP",
Configuration: gin.H{},
InputFlow: func() *flow.Message {
return &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
InIf: 100,
OutIf: 200,
SrcAddr: net.ParseIP("192.0.2.142"),
DstAddr: net.ParseIP("192.0.2.10"),
}
},
OutputFlow: &flow.Message{
SamplingRate: 1000,
ExporterAddress: net.ParseIP("192.0.2.142"),
ExporterName: "192_0_2_142",
InIf: 100,
OutIf: 200,
InIfName: "Gi0/0/100",
OutIfName: "Gi0/0/200",
InIfDescription: "Interface 100",
OutIfDescription: "Interface 200",
InIfSpeed: 1000,
OutIfSpeed: 1000,
SrcAddr: net.ParseIP("192.0.2.142").To16(),
DstAddr: net.ParseIP("192.0.2.10").To16(),
SrcAS: 1299,
DstAS: 174,
DstASPath: []uint32{64200, 1299, 174},
DstCommunities: []uint32{100, 200, 400},
DstLargeCommunities: &decoder.FlowMessage_LargeCommunities{
ASN: []uint32{64200}, LocalData1: []uint32{2}, LocalData2: []uint32{3},
},
},
},
}
for _, tc := range cases {
t.Run(tc.Name, func(t *testing.T) {
r := reporter.NewMock(t)
// Prepare all components.
daemonComponent := daemon.NewMock(t)
snmpComponent := snmp.NewMock(t, r, snmp.DefaultConfiguration(),
snmp.Dependencies{Daemon: daemonComponent})
flowComponent := flow.NewMock(t, r, flow.DefaultConfiguration())
geoipComponent := geoip.NewMock(t, r)
kafkaComponent, kafkaProducer := kafka.NewMock(t, r, kafka.DefaultConfiguration())
httpComponent := http.NewMock(t, r)
bmpComponent, _ := bmp.NewMock(t, r, bmp.DefaultConfiguration())
bmpComponent.PopulateRIB(t)
// 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,
SNMP: snmpComponent,
GeoIP: geoipComponent,
Kafka: kafkaComponent,
HTTP: httpComponent,
BMP: bmpComponent,
})
if err != nil {
t.Fatalf("New() error:\n%+v", err)
}
helpers.StartStop(t, c)
// Inject twice since otherwise, we get a cache miss
received := make(chan bool)
kafkaProducer.ExpectInputWithMessageCheckerFunctionAndSucceed(
func(msg *sarama.ProducerMessage) error {
defer close(received)
got := flow.Message{}
b, err := msg.Value.Encode()
if err != nil {
t.Fatalf("Kafka message encoding error:\n%+v", err)
}
buf := proto.NewBuffer(b)
err = buf.DecodeMessage(&got)
if err != nil {
t.Fatalf("Kakfa message decode error:\n%+v", err)
}
if diff := helpers.Diff(&got, tc.OutputFlow); diff != "" {
t.Errorf("Classifier (-got, +want):\n%s", diff)
}
return nil
})
flowComponent.Inject(t, tc.InputFlow())
time.Sleep(50 * time.Millisecond) // Needed to let poller does its job
flowComponent.Inject(t, tc.InputFlow())
select {
case <-received:
case <-time.After(1 * time.Second):
t.Fatal("Kafka message not received")
}
gotMetrics := r.GetMetrics("akvorado_inlet_core_flows_", "-processing_")
expectedMetrics := map[string]string{
`errors{error="SNMP cache miss",exporter="192.0.2.142"}`: "1",
`http_clients`: "0",
`received{exporter="192.0.2.142"}`: "2",
`forwarded{exporter="192.0.2.142"}`: "1",
}
if diff := helpers.Diff(gotMetrics, expectedMetrics); diff != "" {
t.Fatalf("Metrics (-got, +want):\n%s", diff)
}
})
}
}
func TestGetASNumber(t *testing.T) {
cases := []struct {
Addr string
FlowAS uint32
BMPAS uint32
Providers []ASNProvider
Expected uint32
}{
// 1
{"1.0.0.1", 12322, 0, []ASNProvider{ProviderFlow}, 12322},
{"1.0.0.1", 65536, 0, []ASNProvider{ProviderFlow}, 65536},
{"1.0.0.1", 65536, 0, []ASNProvider{ProviderFlowExceptPrivate}, 0},
{"1.0.0.1", 4_200_000_121, 0, []ASNProvider{ProviderFlowExceptPrivate}, 0},
{"1.0.0.1", 65536, 0, []ASNProvider{ProviderFlowExceptPrivate, ProviderFlow}, 65536},
{"1.0.0.1", 12322, 0, []ASNProvider{ProviderFlowExceptPrivate}, 12322},
{"1.0.0.1", 12322, 0, []ASNProvider{ProviderGeoIP}, 15169},
{"2.0.0.1", 12322, 0, []ASNProvider{ProviderGeoIP}, 0},
{"1.0.0.1", 12322, 0, []ASNProvider{ProviderGeoIP, ProviderFlow}, 15169},
// 10
{"1.0.0.1", 12322, 0, []ASNProvider{ProviderFlow, ProviderGeoIP}, 12322},
{"2.0.0.1", 12322, 0, []ASNProvider{ProviderFlow, ProviderGeoIP}, 12322},
{"2.0.0.1", 12322, 0, []ASNProvider{ProviderGeoIP, ProviderFlow}, 12322},
{"192.0.2.2", 12322, 174, []ASNProvider{ProviderBMP}, 174},
{"192.0.2.129", 12322, 1299, []ASNProvider{ProviderBMP}, 1299},
{"192.0.2.254", 12322, 0, []ASNProvider{ProviderBMP}, 0},
{"1.0.0.1", 12322, 65300, []ASNProvider{ProviderBMP}, 65300},
{"1.0.0.1", 12322, 15169, []ASNProvider{ProviderBMPExceptPrivate, ProviderGeoIP}, 15169},
}
for i, tc := range cases {
i++
t.Run(fmt.Sprintf("case %d", i), 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
bmpComponent, _ := bmp.NewMock(t, r, bmp.DefaultConfiguration())
bmpComponent.PopulateRIB(t)
c, err := New(r, configuration, Dependencies{
Daemon: daemon.NewMock(t),
GeoIP: geoip.NewMock(t, r),
BMP: bmpComponent,
})
if err != nil {
t.Fatalf("New() error:\n%+v", err)
}
got := c.getASNumber(net.ParseIP(tc.Addr), tc.FlowAS, tc.BMPAS)
if diff := helpers.Diff(got, tc.Expected); diff != "" {
t.Fatalf("getASNumber() (-got, +want):\n%s", diff)
}
})
}
}