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Diffstat (limited to '')
-rw-r--r-- | tests/sla_test.go | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/tests/sla_test.go b/tests/sla_test.go new file mode 100644 index 0000000..6fa3a0e --- /dev/null +++ b/tests/sla_test.go @@ -0,0 +1,385 @@ +package icingadb_test + +import ( + "bytes" + "context" + "encoding/json" + "fmt" + "github.com/icinga/icinga-testing/utils" + "github.com/icinga/icinga-testing/utils/eventually" + "github.com/jmoiron/sqlx" + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + "go.uber.org/zap" + "math" + "net/http" + "testing" + "time" +) + +func TestSla(t *testing.T) { + m := it.MysqlDatabaseT(t) + m.ImportIcingaDbSchema() + + r := it.RedisServerT(t) + i := it.Icinga2NodeT(t, "master") + i.EnableIcingaDb(r) + err := i.Reload() + require.NoError(t, err, "icinga2 should reload without error") + it.IcingaDbInstanceT(t, r, m) + + client := i.ApiClient() + + t.Run("StateEvents", func(t *testing.T) { + t.Parallel() + + hostname := utils.UniqueName(t, "host") + client.CreateHost(t, hostname, map[string]interface{}{ + "attrs": map[string]interface{}{ + "enable_active_checks": false, + "enable_passive_checks": true, + "check_command": "dummy", + "max_check_attempts": 3, + }, + }) + + type StateChange struct { + Time float64 + State int + } + + var stateChanges []StateChange + + processCheckResult := func(exitStatus int, isHard bool) *ObjectsHostsResponse { + time.Sleep(10 * time.Millisecond) // ensure there is a bit of difference in ms resolution + + output := utils.UniqueName(t, "output") + data := ActionsProcessCheckResultRequest{ + Type: "Host", + Filter: fmt.Sprintf(`host.name==%q`, hostname), + ExitStatus: exitStatus, + PluginOutput: output, + } + dataJson, err := json.Marshal(data) + require.NoError(t, err, "marshal request") + response, err := client.PostJson("/v1/actions/process-check-result", bytes.NewBuffer(dataJson)) + require.NoError(t, err, "process-check-result") + require.Equal(t, 200, response.StatusCode, "process-check-result") + + response, err = client.GetJson("/v1/objects/hosts/" + hostname) + require.NoError(t, err, "get host: request") + require.Equal(t, 200, response.StatusCode, "get host: request") + + var hosts ObjectsHostsResponse + err = json.NewDecoder(response.Body).Decode(&hosts) + require.NoError(t, err, "get host: parse response") + + require.Equal(t, 1, len(hosts.Results), "there must be one host in the response") + host := hosts.Results[0] + require.Equal(t, output, host.Attrs.LastCheckResult.Output, + "last check result should be visible in host object") + require.Equal(t, exitStatus, host.Attrs.State, "soft state should match check result") + + if isHard { + require.Equal(t, exitStatus, host.Attrs.LastHardState, "hard state should match check result") + if len(stateChanges) > 0 { + require.Greater(t, host.Attrs.LastHardStateChange, stateChanges[len(stateChanges)-1].Time, + "last_hard_state_change_time of host should have changed") + } + stateChanges = append(stateChanges, StateChange{ + Time: host.Attrs.LastHardStateChange, + State: exitStatus, + }) + } else { + require.NotEmpty(t, stateChanges, "there should be a hard state change prior to a soft one") + require.Equal(t, stateChanges[len(stateChanges)-1].Time, host.Attrs.LastHardStateChange, + "check result should not lead to a hard state change, i.e. last_hard_state_change should not change") + } + + return &hosts + } + + processCheckResult(0, true) // hard (UNKNOWN -> UP) + processCheckResult(1, false) // soft + processCheckResult(1, false) // soft + processCheckResult(1, true) // hard (UP -> DOWN) + processCheckResult(1, false) // hard + processCheckResult(0, true) // hard (DOWN -> UP) + processCheckResult(0, false) // hard + + assert.Equal(t, 3, len(stateChanges), "there should be three hard state changes") + + db, err := sqlx.Connect("mysql", m.DSN()) + require.NoError(t, err, "connecting to mysql") + defer func() { _ = db.Close() }() + + type Row struct { + Time int64 `db:"event_time"` + State int `db:"hard_state"` + } + + eventually.Assert(t, func(t require.TestingT) { + var rows []Row + err = db.Select(&rows, db.Rebind("SELECT s.event_time, s.hard_state FROM sla_history_state s "+ + "JOIN host ON host.id = s.host_id WHERE host.name = ? ORDER BY event_time ASC"), hostname) + require.NoError(t, err, "select sla_history_state") + + assert.Equal(t, len(stateChanges), len(rows), "number of sla_history_state entries") + + for i := range rows { + assert.WithinDuration(t, time.UnixMilli(int64(stateChanges[i].Time*1000)), time.UnixMilli(rows[i].Time), + time.Millisecond, "event time should match state change time") + assert.Equal(t, stateChanges[i].State, rows[i].State, "hard state should match") + } + }, 5*time.Second, 200*time.Millisecond) + + redis := r.Open() + defer func() { _ = redis.Close() }() + + logger := it.Logger(t) + + logger.Debug("redis state history", zap.Bool("before", true)) + eventually.Assert(t, func(t require.TestingT) { + result, err := redis.XRange(context.Background(), "icinga:history:stream:state", "-", "+").Result() + require.NoError(t, err, "reading state history stream should not fail") + logger.Debug("redis state history", zap.Any("values", result)) + assert.Empty(t, result, "redis state history stream should be drained") + }, 5*time.Second, 10*time.Millisecond) + logger.Debug("redis state history", zap.Bool("after", true)) + }) + + t.Run("DowntimeEvents", func(t *testing.T) { + t.Parallel() + + type Options struct { + Fixed bool // Whether to schedule a fixed or flexible downtime. + Cancel bool // Whether to cancel the downtime or let it expire. + } + + downtimeTest := func(t *testing.T, o Options) { + hostname := utils.UniqueName(t, "host") + client.CreateHost(t, hostname, map[string]interface{}{ + "attrs": map[string]interface{}{ + "enable_active_checks": false, + "enable_passive_checks": true, + "check_command": "dummy", + "max_check_attempts": 1, + }, + }) + + processCheckResult := func(status int) time.Time { + output := utils.RandomString(8) + reqBody, err := json.Marshal(ActionsProcessCheckResultRequest{ + Type: "Host", + Filter: fmt.Sprintf(`host.name==%q`, hostname), + ExitStatus: status, + PluginOutput: output, + }) + require.NoError(t, err, "marshal request") + response, err := client.PostJson("/v1/actions/process-check-result", bytes.NewBuffer(reqBody)) + require.NoError(t, err, "process-check-result") + require.Equal(t, 200, response.StatusCode, "process-check-result") + + response, err = client.GetJson("/v1/objects/hosts/" + hostname) + require.NoError(t, err, "get host: request") + require.Equal(t, 200, response.StatusCode, "get host: request") + + var hosts ObjectsHostsResponse + err = json.NewDecoder(response.Body).Decode(&hosts) + require.NoError(t, err, "get host: parse response") + + require.Equal(t, 1, len(hosts.Results), "there must be one host in the response") + host := hosts.Results[0] + require.Equal(t, output, host.Attrs.LastCheckResult.Output, + "last check result should be visible in host object") + require.Equal(t, 1, host.Attrs.StateType, "host should be in hard state") + require.Equal(t, status, host.Attrs.State, "state should match check result") + + sec, nsec := math.Modf(host.Attrs.LastCheckResult.ExecutionEnd) + return time.Unix(int64(sec), int64(nsec*1e9)) + } + + // Ensure that host is in UP state. + processCheckResult(0) + + refTime := time.Now().Truncate(time.Second) + // Schedule the downtime start in the past so that we would notice if Icinga 2/DB would + // use the current time somewhere where we expect the scheduled start time. + downtimeStart := refTime.Add(-1 * time.Hour) + var downtimeEnd time.Time + if o.Cancel || !o.Fixed { + // Downtimes we will cancel can expire long in the future as we don't have to wait for it. + // Same for flexible downtimes as for these, we don't have to wait until the scheduled end but only + // for their duration. + downtimeEnd = refTime.Add(1 * time.Hour) + } else { + // Let all other downtimes expire soon (fixed downtimes where we wait for expiry). + downtimeEnd = refTime.Add(5 * time.Second) + } + + var duration time.Duration + if !o.Fixed { + duration = 10 * time.Second + } + req, err := json.Marshal(ActionsScheduleDowntimeRequest{ + Type: "Host", + Filter: fmt.Sprintf(`host.name==%q`, hostname), + StartTime: downtimeStart.Unix(), + EndTime: downtimeEnd.Unix(), + Fixed: o.Fixed, + Duration: duration.Seconds(), + Author: utils.RandomString(8), + Comment: utils.RandomString(8), + }) + require.NoError(t, err, "marshal request") + response, err := client.PostJson("/v1/actions/schedule-downtime", bytes.NewBuffer(req)) + require.NoError(t, err, "schedule-downtime") + require.Equal(t, 200, response.StatusCode, "schedule-downtime") + + var scheduleResponse ActionsScheduleDowntimeResponse + err = json.NewDecoder(response.Body).Decode(&scheduleResponse) + require.NoError(t, err, "decode schedule-downtime response") + require.Equal(t, 1, len(scheduleResponse.Results), "schedule-downtime should return 1 result") + require.Equal(t, http.StatusOK, scheduleResponse.Results[0].Code, "schedule-downtime should return 1 result") + downtimeName := scheduleResponse.Results[0].Name + + type Row struct { + Start int64 `db:"downtime_start"` + End int64 `db:"downtime_end"` + } + + db, err := sqlx.Connect("mysql", m.DSN()) + require.NoError(t, err, "connecting to mysql") + defer func() { _ = db.Close() }() + + if !o.Fixed { + // Give Icinga 2 and Icinga DB some time that if they would generate an SLA history event in error, + // they have a chance to do so before we check for its absence. + time.Sleep(10 * time.Second) + + var count int + err = db.Get(&count, db.Rebind("SELECT COUNT(*) FROM sla_history_downtime s "+ + "JOIN host ON host.id = s.host_id WHERE host.name = ?"), hostname) + require.NoError(t, err, "select sla_history_state") + assert.Zero(t, count, "there should be no event in sla_history_downtime when scheduling a flexible downtime on an UP host") + } + + // Bring host into DOWN state. + criticalTime := processCheckResult(1) + + eventually.Assert(t, func(t require.TestingT) { + var rows []Row + err = db.Select(&rows, db.Rebind("SELECT s.downtime_start, s.downtime_end FROM sla_history_downtime s "+ + "JOIN host ON host.id = s.host_id WHERE host.name = ?"), hostname) + require.NoError(t, err, "select sla_history_state") + + require.Equal(t, 1, len(rows), "there should be exactly one sla_history_downtime row") + if o.Fixed { + assert.Equal(t, downtimeStart, time.UnixMilli(rows[0].Start), + "downtime_start should match scheduled start time") + assert.Equal(t, downtimeEnd, time.UnixMilli(rows[0].End), + "downtime_end should match scheduled end time") + } else { + assert.WithinDuration(t, criticalTime, time.UnixMilli(rows[0].Start), time.Second, + "downtime_start should match time of host state change") + assert.Equal(t, duration, time.UnixMilli(rows[0].End).Sub(time.UnixMilli(rows[0].Start)), + "downtime_end - downtime_start duration should match scheduled duration") + } + }, 5*time.Second, 200*time.Millisecond) + + redis := r.Open() + defer func() { _ = redis.Close() }() + + eventually.Assert(t, func(t require.TestingT) { + result, err := redis.XRange(context.Background(), "icinga:history:stream:downtime", "-", "+").Result() + require.NoError(t, err, "reading downtime history stream should not fail") + assert.Empty(t, result, "redis downtime history stream should be drained") + }, 5*time.Second, 10*time.Millisecond) + + if o.Cancel { + req, err = json.Marshal(ActionsRemoveDowntimeRequest{ + Downtime: downtimeName, + }) + require.NoError(t, err, "marshal remove-downtime request") + response, err = client.PostJson("/v1/actions/remove-downtime", bytes.NewBuffer(req)) + require.NoError(t, err, "remove-downtime") + require.Equal(t, 200, response.StatusCode, "remove-downtime") + } + + downtimeCancel := time.Now() + + if !o.Cancel { + // Wait for downtime to expire + a few extra seconds. The row should not be updated, give + // enough time to have a chance catching if Icinga DB updates it nonetheless. + if !o.Fixed { + time.Sleep(duration + 5*time.Second) + } else { + d := time.Until(downtimeEnd) + 5*time.Second + require.Less(t, d, time.Minute, "bug in tests: don't wait too long") + time.Sleep(d) + } + } + + eventually.Assert(t, func(t require.TestingT) { + var rows []Row + err = db.Select(&rows, db.Rebind("SELECT s.downtime_start, s.downtime_end FROM sla_history_downtime s "+ + "JOIN host ON host.id = s.host_id WHERE host.name = ?"), hostname) + require.NoError(t, err, "select sla_history_state") + + require.Equal(t, 1, len(rows), "there should be exactly one sla_history_downtime row") + if o.Fixed { + assert.Equal(t, downtimeStart, time.UnixMilli(rows[0].Start), + "downtime_start should match scheduled start") + } else { + assert.WithinDuration(t, criticalTime, time.UnixMilli(rows[0].Start), time.Second, + "downtime_start should match critical time") + } + if o.Cancel { + // Allow more delta for the end time after cancel as we did not choose the exact time. + assert.WithinDuration(t, downtimeCancel, time.UnixMilli(rows[0].End), time.Second, + "downtime_end should match cancel time") + } else if o.Fixed { + assert.Equal(t, downtimeEnd, time.UnixMilli(rows[0].End), + "downtime_start should match scheduled end") + } else { + assert.Equal(t, duration, time.UnixMilli(rows[0].End).Sub(time.UnixMilli(rows[0].Start)), + "downtime_end - downtime_start duration should match scheduled duration") + } + }, 5*time.Second, 200*time.Millisecond) + + eventually.Assert(t, func(t require.TestingT) { + result, err := redis.XRange(context.Background(), "icinga:history:stream:downtime", "-", "+").Result() + require.NoError(t, err, "reading downtime history stream should not fail") + assert.Empty(t, result, "redis downtime history stream should be drained") + }, 5*time.Second, 10*time.Millisecond) + } + + t.Run("Fixed", func(t *testing.T) { + t.Parallel() + + t.Run("Cancel", func(t *testing.T) { + t.Parallel() + downtimeTest(t, Options{Fixed: true, Cancel: true}) + }) + + t.Run("Expire", func(t *testing.T) { + t.Parallel() + downtimeTest(t, Options{Fixed: true, Cancel: false}) + }) + }) + + t.Run("Flexible", func(t *testing.T) { + t.Parallel() + + t.Run("Cancel", func(t *testing.T) { + t.Parallel() + downtimeTest(t, Options{Fixed: false, Cancel: true}) + }) + + t.Run("Expire", func(t *testing.T) { + t.Parallel() + downtimeTest(t, Options{Fixed: false, Cancel: false}) + }) + }) + }) +} |