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[filebeat][log] Enable status reporter for log input (elastic#40075)
* chore: initial commit, without tests * chore: tests * chore: add test cases * fix: add null check * fix: remove println * fix: lint * goimports * remove println * fix: changelog * update test for windows * fix: fix some comments * chore: add starting state in NewInput * fix: add sample output to verify the status * fix: remove println * fix: add integration tag * Update CHANGELOG.next.asciidoc Co-authored-by: Denis <denis@rdner.de> * fix: remove redundant bool * fix: add degraded --------- Co-authored-by: Pierre HILBERT <pierre.hilbert@elastic.co> Co-authored-by: Denis <denis@rdner.de>
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205 changes: 205 additions & 0 deletions
205
x-pack/filebeat/tests/integration/status_reporter_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,205 @@ | ||
| // Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| // or more contributor license agreements. Licensed under the Elastic License; | ||
| // you may not use this file except in compliance with the Elastic License. | ||
|
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| //go:build integration | ||
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| package integration | ||
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| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "runtime" | ||
| "testing" | ||
| "time" | ||
|
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||
| "github.com/stretchr/testify/require" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/credentials/insecure" | ||
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| "github.com/elastic/elastic-agent-client/v7/pkg/client" | ||
| "github.com/elastic/elastic-agent-client/v7/pkg/client/mock" | ||
| "github.com/elastic/elastic-agent-client/v7/pkg/proto" | ||
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| "github.com/elastic/beats/v7/libbeat/common/reload" | ||
| lbmanagement "github.com/elastic/beats/v7/libbeat/management" | ||
| "github.com/elastic/beats/v7/x-pack/filebeat/cmd" | ||
| "github.com/elastic/beats/v7/x-pack/libbeat/management" | ||
| "github.com/elastic/beats/v7/x-pack/libbeat/management/tests" | ||
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| conf "github.com/elastic/elastic-agent-libs/config" | ||
| ) | ||
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| func TestLogStatusReporter(t *testing.T) { | ||
| unitOneID := mock.NewID() | ||
| unitOutID := mock.NewID() | ||
| token := mock.NewID() | ||
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| tests.InitBeatsForTest(t, cmd.Filebeat()) | ||
| tmpDir := t.TempDir() | ||
| filename := fmt.Sprintf("test-%d", time.Now().Unix()) | ||
| outPath := filepath.Join(tmpDir, filename) | ||
| t.Logf("writing output to file %s", outPath) | ||
| err := os.Mkdir(outPath, 0775) | ||
| require.NoError(t, err) | ||
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| /* | ||
| * valid input stream, shouldn't raise any error. | ||
| */ | ||
| inputStream := getInputStream(unitOneID, filepath.Join(tmpDir, "*.log"), 2) | ||
| require.NoError(t, os.WriteFile(filepath.Join(tmpDir, "test.log"), []byte("Line1\nLine2\nLine3\n"), 0777)) | ||
| /* | ||
| * try to open an irregular file. | ||
| * This should throw "Tried to open non regular file:" and status to degraded | ||
| */ | ||
| nullDeviceFile := "/dev/null" | ||
| if runtime.GOOS == "windows" { | ||
| nullDeviceFile = "NUL" | ||
| } | ||
| inputStreamIrregular := getInputStream(unitOneID, nullDeviceFile, 1) | ||
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| outputExpectedStream := proto.UnitExpected{ | ||
| Id: unitOutID, | ||
| Type: proto.UnitType_OUTPUT, | ||
| ConfigStateIdx: 1, | ||
| State: proto.State_HEALTHY, | ||
| Config: &proto.UnitExpectedConfig{ | ||
| Type: "file", | ||
| Source: tests.RequireNewStruct(map[string]interface{}{ | ||
| "type": "file", | ||
| "enabled": true, | ||
| "path": outPath, | ||
| "filename": "beat-out", | ||
| "number_of_files": 7, | ||
| }), | ||
| }, | ||
| } | ||
|
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| observedStates := make(chan *proto.CheckinObserved) | ||
| expectedUnits := make(chan []*proto.UnitExpected) | ||
| done := make(chan struct{}) | ||
| // V2 mock server | ||
| server := &mock.StubServerV2{ | ||
| CheckinV2Impl: func(observed *proto.CheckinObserved) *proto.CheckinExpected { | ||
| select { | ||
| case observedStates <- observed: | ||
| return &proto.CheckinExpected{ | ||
| Units: <-expectedUnits, | ||
| } | ||
| case <-done: | ||
| return nil | ||
| } | ||
| }, | ||
| ActionImpl: func(response *proto.ActionResponse) error { | ||
| return nil | ||
| }, | ||
| } | ||
| require.NoError(t, server.Start()) | ||
| defer server.Stop() | ||
|
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| // start the client | ||
| client := client.NewV2(fmt.Sprintf(":%d", server.Port), token, client.VersionInfo{ | ||
| Name: "program", | ||
| }, client.WithGRPCDialOptions(grpc.WithTransportCredentials(insecure.NewCredentials()))) | ||
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| lbmanagement.SetManagerFactory(func(cfg *conf.C, registry *reload.Registry) (lbmanagement.Manager, error) { | ||
| c := management.DefaultConfig() | ||
| if err := cfg.Unpack(&c); err != nil { | ||
| return nil, err | ||
| } | ||
| return management.NewV2AgentManagerWithClient(c, registry, client, management.WithStopOnEmptyUnits) | ||
| }) | ||
|
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| go func() { | ||
| t.Logf("Running beats...") | ||
| err := cmd.Filebeat().Execute() | ||
| require.NoError(t, err) | ||
| }() | ||
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| scenarios := []struct { | ||
| expectedStatus proto.State | ||
| nextInputunit *proto.UnitExpected | ||
| }{ | ||
| { | ||
| proto.State_HEALTHY, | ||
| &inputStreamIrregular, | ||
| }, | ||
| { | ||
| proto.State_DEGRADED, | ||
| &inputStream, | ||
| }, | ||
| { | ||
| proto.State_HEALTHY, | ||
| &inputStream, | ||
| }, | ||
| // wait for one more checkin, just to be sure it's healthy | ||
| { | ||
| proto.State_HEALTHY, | ||
| &inputStream, | ||
| }, | ||
| } | ||
|
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| timer := time.NewTimer(2 * time.Minute) | ||
| id := 0 | ||
| for id < len(scenarios) { | ||
| select { | ||
| case observed := <-observedStates: | ||
| state := extractState(observed.GetUnits(), unitOneID) | ||
| expectedUnits <- []*proto.UnitExpected{ | ||
| scenarios[id].nextInputunit, | ||
| &outputExpectedStream, | ||
| } | ||
| if state != scenarios[id].expectedStatus { | ||
| continue | ||
| } | ||
| // always ensure that output is healthy | ||
| outputState := extractState(observed.GetUnits(), unitOutID) | ||
| require.Equal(t, outputState, proto.State_HEALTHY) | ||
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| timer.Reset(2 * time.Minute) | ||
| id++ | ||
| case <-timer.C: | ||
| t.Fatal("timeout waiting for checkin") | ||
| default: | ||
| } | ||
| } | ||
| require.Eventually(t, func() bool { | ||
| events := tests.ReadLogLines(t, outPath) | ||
| return events > 0 // wait until we see one output event | ||
| }, 15*time.Second, 1*time.Second) | ||
| } | ||
|
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| func extractState(units []*proto.UnitObserved, idx string) proto.State { | ||
| for _, unit := range units { | ||
| if unit.Id == idx { | ||
| return unit.GetState() | ||
| } | ||
| } | ||
| return -1 | ||
| } | ||
|
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| func getInputStream(id string, path string, stateIdx int) proto.UnitExpected { | ||
| return proto.UnitExpected{ | ||
| Id: id, | ||
| Type: proto.UnitType_INPUT, | ||
| ConfigStateIdx: uint64(stateIdx), | ||
| State: proto.State_HEALTHY, | ||
| Config: &proto.UnitExpectedConfig{ | ||
| Streams: []*proto.Stream{{ | ||
| Id: "filebeat/log-default-system", | ||
| Source: tests.RequireNewStruct(map[string]interface{}{ | ||
| "enabled": true, | ||
| "symlinks": true, | ||
| "type": "log", | ||
| "paths": []interface{}{path}, | ||
| "scan_frequency": "500ms", | ||
| }), | ||
| }}, | ||
| Type: "log", | ||
| Id: "log-input-test", | ||
| Name: "log-1", | ||
| Revision: 1, | ||
| }, | ||
| } | ||
| } |