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Alerting: Enhancements to /rules (#33085)

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* set processing time

* merge labels and set on response

* use state cache for adding alerts to rules

* minor cleanup

* pr feedback

* Do not initialize mutex unnecessarily

Co-authored-by: Ganesh Vernekar <15064823+codesome@users.noreply.github.com>

* linter

Co-authored-by: Ganesh Vernekar <15064823+codesome@users.noreply.github.com>
This commit is contained in:
David Parrott 2021-04-21 09:30:03 -07:00 committed by GitHub
parent 7480d9e2be
commit 4be1d84f23
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 193 additions and 152 deletions
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67
pkg/services/ngalert/api/api_prometheus.go
View File

@ -5,6 +5,7 @@ import (
"net/http"
"time"
"github.com/grafana/grafana/pkg/services/ngalert/eval"
apiv1 "github.com/prometheus/client_golang/api/prometheus/v1"
ngmodels "github.com/grafana/grafana/pkg/services/ngalert/models"
@ -84,18 +85,9 @@ func (srv PrometheusSrv) RouteGetRuleStatuses(c *models.ReqContext) response.Res
LastEvaluation: time.Time{},
EvaluationTime: 0, // TODO: see if we are able to pass this along with evaluation results
}
for _, rule := range alertRuleQuery.Result {
instanceQuery := ngmodels.ListAlertInstancesQuery{
DefinitionOrgID: c.SignedInUser.OrgId,
DefinitionUID: rule.UID,
}
if err := srv.store.ListAlertInstances(&instanceQuery); err != nil {
ruleResponse.DiscoveryBase.Status = "error"
ruleResponse.DiscoveryBase.Error = fmt.Sprintf("failure getting alerts for rule %s: %s", rule.UID, err.Error())
ruleResponse.DiscoveryBase.ErrorType = apiv1.ErrServer
return response.JSON(http.StatusInternalServerError, ruleResponse)
}
stateMap := srv.stateTracker.GetStatesByRuleUID()
for _, rule := range alertRuleQuery.Result {
alertingRule := apimodels.AlertingRule{
State: "inactive",
Name: rule.Title,
@ -106,36 +98,46 @@ func (srv PrometheusSrv) RouteGetRuleStatuses(c *models.ReqContext) response.Res
newRule := apimodels.Rule{
Name: rule.Title,
Labels: nil, // TODO: NG AlertRule does not have labels but does have annotations
Labels: rule.Labels,
Health: "ok", // TODO: update this in the future when error and noData states are being evaluated and set
Type: apiv1.RuleTypeAlerting,
LastEvaluation: time.Time{}, // TODO: set this to be rule evaluation time once it is being set
EvaluationTime: 0, // TODO: set this once we are saving it or adding it to evaluation results
LastEvaluation: time.Time{},
}
for _, instance := range instanceQuery.Result {
activeAt := instance.CurrentStateSince
for _, alertState := range stateMap[rule.UID] {
activeAt := alertState.StartsAt
alert := &apimodels.Alert{
Labels: map[string]string(instance.Labels),
Annotations: nil, // TODO: set these once they are added to evaluation results
State: translateInstanceState(instance.CurrentState),
Labels: map[string]string(alertState.Labels),
Annotations: alertState.Annotations,
State: alertState.State.String(),
ActiveAt: &activeAt,
Value: "", // TODO: set this once it is added to the evaluation results
}
if instance.LastEvalTime.After(newRule.LastEvaluation) {
newRule.LastEvaluation = instance.LastEvalTime
newGroup.LastEvaluation = instance.LastEvalTime
if alertState.LastEvaluationTime.After(newRule.LastEvaluation) {
newRule.LastEvaluation = alertState.LastEvaluationTime
newGroup.LastEvaluation = alertState.LastEvaluationTime
}
switch alert.State {
case "pending":
alertingRule.Duration = alertState.EvaluationDuration.Seconds()
newRule.EvaluationTime = alertState.EvaluationDuration.Seconds()
switch alertState.State {
case eval.Normal:
case eval.Pending:
if alertingRule.State == "inactive" {
alertingRule.State = "pending"
}
case "firing":
case eval.Alerting:
alertingRule.State = "firing"
case eval.Error:
// handle Error case based on configuration in alertRule
case eval.NoData:
// handle NoData case based on configuration in alertRule
}
alertingRule.Alerts = append(alertingRule.Alerts, alert)
}
alertingRule.Rule = newRule
newGroup.Rules = append(newGroup.Rules, alertingRule)
newGroup.Interval = float64(rule.IntervalSeconds)
@ -144,16 +146,3 @@ func (srv PrometheusSrv) RouteGetRuleStatuses(c *models.ReqContext) response.Res
}
return response.JSON(http.StatusOK, ruleResponse)
}
func translateInstanceState(state ngmodels.InstanceStateType) string {
switch {
case state == ngmodels.InstanceStateFiring:
return "firing"
case state == ngmodels.InstanceStateNormal:
return "inactive"
case state == ngmodels.InstanceStatePending:
return "pending"
default:
return "inactive"
}
}

7
pkg/services/ngalert/eval/eval.go
View File

@ -76,6 +76,11 @@ const (
// that evaluated to true (Alerting).
Alerting
// Pending is the eval state for an alert instance condition
// that evaluated to true (Alerting) but has not yet met
// the For duration defined in AlertRule
Pending
// NoData is the eval state for an alert rule condition
// that evaluated to NoData.
NoData
@ -86,7 +91,7 @@ const (
)
func (s State) String() string {
return [...]string{"Normal", "Alerting", "NoData", "Error"}[s]
return [...]string{"Normal", "Alerting", "Pending", "NoData", "Error"}[s]
}
// AlertExecCtx is the context provided for executing an alert condition.

8
pkg/services/ngalert/schedule/schedule.go
View File

@ -78,7 +78,7 @@ func (sch *schedule) ruleRoutine(grafanaCtx context.Context, key models.AlertRul
return err
}
processedStates := stateTracker.ProcessEvalResults(alertRule, results)
processedStates := stateTracker.ProcessEvalResults(alertRule, results, end.Sub(start))
sch.saveAlertStates(processedStates)
alerts := FromAlertStateToPostableAlerts(processedStates)
sch.log.Debug("sending alerts to notifier", "count", len(alerts.PostableAlerts))
@ -321,7 +321,7 @@ func (sch *schedule) saveAlertStates(states []state.AlertState) {
for _, s := range states {
cmd := models.SaveAlertInstanceCommand{
DefinitionOrgID: s.OrgID,
DefinitionUID: s.UID,
DefinitionUID: s.AlertRuleUID,
Labels: models.InstanceLabels(s.Labels),
State: models.InstanceStateType(s.State.String()),
LastEvalTime: s.LastEvaluationTime,
@ -330,7 +330,7 @@ func (sch *schedule) saveAlertStates(states []state.AlertState) {
}
err := sch.store.SaveAlertInstance(&cmd)
if err != nil {
sch.log.Error("failed to save alert state", "uid", s.UID, "orgId", s.OrgID, "labels", s.Labels.String(), "state", s.State.String(), "msg", err.Error())
sch.log.Error("failed to save alert state", "uid", s.AlertRuleUID, "orgId", s.OrgID, "labels", s.Labels.String(), "state", s.State.String(), "msg", err.Error())
}
}
}
@ -355,7 +355,7 @@ func (sch *schedule) WarmStateCache(st *state.StateTracker) {
for _, entry := range cmd.Result {
lbs := map[string]string(entry.Labels)
stateForEntry := state.AlertState{
UID: entry.DefinitionUID,
AlertRuleUID: entry.DefinitionUID,
OrgID: entry.DefinitionOrgID,
CacheId: fmt.Sprintf("%s %s", entry.DefinitionUID, lbs),
Labels: lbs,

155
pkg/services/ngalert/state/state_tracker.go
View File

@ -5,6 +5,8 @@ import (
"sync"
"time"
prometheusModel "github.com/prometheus/common/model"
"github.com/grafana/grafana/pkg/infra/log"
"github.com/grafana/grafana-plugin-sdk-go/data"
@ -13,7 +15,7 @@ import (
)
type AlertState struct {
UID string
AlertRuleUID string
OrgID int64
CacheId string
Labels data.Labels
@ -22,6 +24,7 @@ type AlertState struct {
StartsAt time.Time
EndsAt time.Time
LastEvaluationTime time.Time
EvaluationDuration time.Duration
Annotations map[string]string
}
@ -31,21 +34,20 @@ type StateEvaluation struct {
}
type cache struct {
cacheMap map[string]AlertState
mu sync.Mutex
states map[string]AlertState
mtxStates sync.Mutex
}
type StateTracker struct {
stateCache cache
cache cache
quit chan struct{}
Log log.Logger
}
func NewStateTracker(logger log.Logger) *StateTracker {
tracker := &StateTracker{
stateCache: cache{
cacheMap: make(map[string]AlertState),
mu: sync.Mutex{},
cache: cache{
states: make(map[string]AlertState),
},
quit: make(chan struct{}),
Log: logger,
@ -54,135 +56,158 @@ func NewStateTracker(logger log.Logger) *StateTracker {
return tracker
}
func (st *StateTracker) getOrCreate(alertRule *ngModels.AlertRule, result eval.Result) AlertState {
st.stateCache.mu.Lock()
defer st.stateCache.mu.Unlock()
lbs := data.Labels{}
if len(result.Instance) > 0 {
lbs = result.Instance
}
func (st *StateTracker) getOrCreate(alertRule *ngModels.AlertRule, result eval.Result, evaluationDuration time.Duration) AlertState {
st.cache.mtxStates.Lock()
defer st.cache.mtxStates.Unlock()
// if duplicate labels exist, alertRule label will take precedence
lbs := mergeLabels(alertRule.Labels, result.Instance)
lbs["__alert_rule_uid__"] = alertRule.UID
lbs["__alert_rule_namespace_uid__"] = alertRule.NamespaceUID
lbs["__alert_rule_title__"] = alertRule.Title
lbs[prometheusModel.AlertNameLabel] = alertRule.Title
id := fmt.Sprintf("%s", map[string]string(lbs))
if state, ok := st.cache.states[id]; ok {
return state
}
annotations := map[string]string{}
if len(alertRule.Annotations) > 0 {
annotations = alertRule.Annotations
}
idString := fmt.Sprintf("%s", map[string]string(lbs))
if state, ok := st.stateCache.cacheMap[idString]; ok {
return state
newResults := []StateEvaluation{
{
EvaluationTime: result.EvaluatedAt,
EvaluationState: result.State,
},
}
st.Log.Debug("adding new alert state cache entry", "cacheId", idString, "state", result.State.String(), "evaluatedAt", result.EvaluatedAt.String())
st.Log.Debug("adding new alert state cache entry", "cacheId", id, "state", result.State.String(), "evaluatedAt", result.EvaluatedAt.String())
newState := AlertState{
UID: alertRule.UID,
AlertRuleUID: alertRule.UID,
OrgID: alertRule.OrgID,
CacheId: idString,
CacheId: id,
Labels: lbs,
State: result.State,
Results: []StateEvaluation{},
Results: newResults,
Annotations: annotations,
EvaluationDuration: evaluationDuration,
}
if result.State == eval.Alerting {
newState.StartsAt = result.EvaluatedAt
}
st.stateCache.cacheMap[idString] = newState
st.cache.states[id] = newState
return newState
}
func (st *StateTracker) set(stateEntry AlertState) {
st.stateCache.mu.Lock()
defer st.stateCache.mu.Unlock()
st.stateCache.cacheMap[stateEntry.CacheId] = stateEntry
func (st *StateTracker) set(entry AlertState) {
st.cache.mtxStates.Lock()
defer st.cache.mtxStates.Unlock()
st.cache.states[entry.CacheId] = entry
}
func (st *StateTracker) Get(stateId string) AlertState {
st.stateCache.mu.Lock()
defer st.stateCache.mu.Unlock()
return st.stateCache.cacheMap[stateId]
func (st *StateTracker) Get(id string) AlertState {
st.cache.mtxStates.Lock()
defer st.cache.mtxStates.Unlock()
return st.cache.states[id]
}
//Used to ensure a clean cache on startup
func (st *StateTracker) ResetCache() {
st.stateCache.mu.Lock()
defer st.stateCache.mu.Unlock()
st.stateCache.cacheMap = make(map[string]AlertState)
st.cache.mtxStates.Lock()
defer st.cache.mtxStates.Unlock()
st.cache.states = make(map[string]AlertState)
}
func (st *StateTracker) ProcessEvalResults(alertRule *ngModels.AlertRule, results eval.Results) []AlertState {
func (st *StateTracker) ProcessEvalResults(alertRule *ngModels.AlertRule, results eval.Results, evaluationDuration time.Duration) []AlertState {
st.Log.Info("state tracker processing evaluation results", "uid", alertRule.UID, "resultCount", len(results))
var changedStates []AlertState
var states []AlertState
for _, result := range results {
s, _ := st.setNextState(alertRule, result)
changedStates = append(changedStates, s)
s := st.setNextState(alertRule, result, evaluationDuration)
states = append(states, s)
}
st.Log.Debug("returning changed states to scheduler", "count", len(changedStates))
return changedStates
st.Log.Debug("returning changed states to scheduler", "count", len(states))
return states
}
//TODO: When calculating if an alert should not be firing anymore, we should take three things into account:
// 1. The re-send the delay if any, we don't want to send every firing alert every time, we should have a fixed delay across all alerts to avoid saturating the notification system
// 2. The evaluation interval defined for this particular alert - we don't support that yet but will eventually allow you to define how often do you want this alert to be evaluted
// 3. The base interval defined by the scheduler - in the case where #2 is not yet an option we can use the base interval at which every alert runs.
//Set the current state based on evaluation results
//return the state and a bool indicating whether a state transition occurred
func (st *StateTracker) setNextState(alertRule *ngModels.AlertRule, result eval.Result) (AlertState, bool) {
currentState := st.getOrCreate(alertRule, result)
func (st *StateTracker) setNextState(alertRule *ngModels.AlertRule, result eval.Result, evaluationDuration time.Duration) AlertState {
currentState := st.getOrCreate(alertRule, result, evaluationDuration)
st.Log.Debug("setting alert state", "uid", alertRule.UID)
switch {
case currentState.State == result.State:
st.Log.Debug("no state transition", "cacheId", currentState.CacheId, "state", currentState.State.String())
currentState.LastEvaluationTime = result.EvaluatedAt
currentState.EvaluationDuration = evaluationDuration
currentState.Results = append(currentState.Results, StateEvaluation{
EvaluationTime: result.EvaluatedAt,
EvaluationState: result.State,
})
if currentState.State == eval.Alerting {
currentState.EndsAt = result.EvaluatedAt.Add(40 * time.Second)
currentState.EndsAt = result.EvaluatedAt.Add(alertRule.For * time.Second)
}
st.set(currentState)
return currentState, false
return currentState
case currentState.State == eval.Normal && result.State == eval.Alerting:
st.Log.Debug("state transition from normal to alerting", "cacheId", currentState.CacheId)
currentState.State = eval.Alerting
currentState.LastEvaluationTime = result.EvaluatedAt
currentState.StartsAt = result.EvaluatedAt
currentState.EndsAt = result.EvaluatedAt.Add(40 * time.Second)
currentState.EndsAt = result.EvaluatedAt.Add(alertRule.For * time.Second)
currentState.EvaluationDuration = evaluationDuration
currentState.Results = append(currentState.Results, StateEvaluation{
EvaluationTime: result.EvaluatedAt,
EvaluationState: result.State,
})
currentState.Annotations["alerting"] = result.EvaluatedAt.String()
st.set(currentState)
return currentState, true
return currentState
case currentState.State == eval.Alerting && result.State == eval.Normal:
st.Log.Debug("state transition from alerting to normal", "cacheId", currentState.CacheId)
currentState.State = eval.Normal
currentState.LastEvaluationTime = result.EvaluatedAt
currentState.EndsAt = result.EvaluatedAt
currentState.EvaluationDuration = evaluationDuration
currentState.Results = append(currentState.Results, StateEvaluation{
EvaluationTime: result.EvaluatedAt,
EvaluationState: result.State,
})
st.set(currentState)
return currentState, true
return currentState
default:
return currentState, false
return currentState
}
}
func (st *StateTracker) GetAll() []AlertState {
var states []AlertState
st.stateCache.mu.Lock()
defer st.stateCache.mu.Unlock()
for _, v := range st.stateCache.cacheMap {
st.cache.mtxStates.Lock()
defer st.cache.mtxStates.Unlock()
for _, v := range st.cache.states {
states = append(states, v)
}
return states
}
func (st *StateTracker) GetStatesByRuleUID() map[string][]AlertState {
ruleMap := make(map[string][]AlertState)
st.cache.mtxStates.Lock()
defer st.cache.mtxStates.Unlock()
for _, state := range st.cache.states {
if ruleStates, ok := ruleMap[state.AlertRuleUID]; ok {
ruleStates = append(ruleStates, state)
ruleMap[state.AlertRuleUID] = ruleStates
} else {
ruleStates := []AlertState{state}
ruleMap[state.AlertRuleUID] = ruleStates
}
}
return ruleMap
}
func (st *StateTracker) cleanUp() {
ticker := time.NewTicker(time.Duration(60) * time.Minute)
st.Log.Debug("starting cleanup process", "intervalMinutes", 60)
@ -200,9 +225,9 @@ func (st *StateTracker) cleanUp() {
func (st *StateTracker) trim() {
st.Log.Info("trimming alert state cache", "now", time.Now())
st.stateCache.mu.Lock()
defer st.stateCache.mu.Unlock()
for _, v := range st.stateCache.cacheMap {
st.cache.mtxStates.Lock()
defer st.cache.mtxStates.Unlock()
for _, v := range st.cache.states {
if len(v.Results) > 100 {
st.Log.Debug("trimming result set", "cacheId", v.CacheId, "count", len(v.Results)-100)
newResults := make([]StateEvaluation, 100)
@ -214,7 +239,7 @@ func (st *StateTracker) trim() {
}
func (a AlertState) Equals(b AlertState) bool {
return a.UID == b.UID &&
return a.AlertRuleUID == b.AlertRuleUID &&
a.OrgID == b.OrgID &&
a.CacheId == b.CacheId &&
a.Labels.String() == b.Labels.String() &&
@ -229,3 +254,17 @@ func (st *StateTracker) Put(states []AlertState) {
st.set(s)
}
}
// if duplicate labels exist, keep the value from the first set
func mergeLabels(a, b data.Labels) data.Labels {
newLbs := data.Labels{}
for k, v := range a {
newLbs[k] = v
}
for k, v := range b {
if _, ok := newLbs[k]; !ok {
newLbs[k] = v
}
}
return newLbs
}

4
pkg/services/ngalert/tests/schedule_test.go
View File

@ -35,7 +35,7 @@ func TestWarmStateCache(t *testing.T) {
expectedEntries := []state.AlertState{
{
UID: "test_uid",
AlertRuleUID: "test_uid",
OrgID: 123,
CacheId: "test_uid map[test1:testValue1]",
Labels: data.Labels{"test1": "testValue1"},
@ -47,7 +47,7 @@ func TestWarmStateCache(t *testing.T) {
EndsAt: evaluationTime.Add(1 * time.Minute),
LastEvaluationTime: evaluationTime,
}, {
UID: "test_uid",
AlertRuleUID: "test_uid",
OrgID: 123,
CacheId: "test_uid map[test2:testValue2]",
Labels: data.Labels{"test2": "testValue2"},

36
pkg/services/ngalert/tests/state_tracker_test.go
View File

@ -20,7 +20,11 @@ func TestProcessEvalResults(t *testing.T) {
if err != nil {
t.Fatalf("error parsing date format: %s", err.Error())
}
cacheId := "map[__alert_rule_namespace_uid__:test_namespace __alert_rule_title__:test_title __alert_rule_uid__:test_uid label1:value1 label2:value2]"
cacheId := "map[__alert_rule_namespace_uid__:test_namespace __alert_rule_uid__:test_uid alertname:test_title label1:value1 label2:value2 rule_label:rule_value]"
ruleLabels := map[string]string{
"rule_label": "rule_value",
}
alertRule := models.AlertRule{
ID: 1,
OrgID: 123,
@ -28,13 +32,17 @@ func TestProcessEvalResults(t *testing.T) {
Condition: "A",
UID: "test_uid",
NamespaceUID: "test_namespace",
For: 10 * time.Second,
Labels: ruleLabels,
}
processingTime := 10 * time.Millisecond
expectedLabels := data.Labels{
"label1": "value1",
"label2": "value2",
"rule_label": "rule_value",
"__alert_rule_uid__": "test_uid",
"__alert_rule_namespace_uid__": "test_namespace",
"__alert_rule_title__": "test_title",
"alertname": "test_title",
}
testCases := []struct {
desc string
@ -60,7 +68,7 @@ func TestProcessEvalResults(t *testing.T) {
expectedResultCount: 1,
expectedCacheEntries: []state.AlertState{
{
UID: "test_uid",
AlertRuleUID: "test_uid",
OrgID: 123,
CacheId: cacheId,
Labels: expectedLabels,
@ -94,7 +102,7 @@ func TestProcessEvalResults(t *testing.T) {
expectedResultCount: 2,
expectedCacheEntries: []state.AlertState{
{
UID: "test_uid",
AlertRuleUID: "test_uid",
OrgID: 123,
CacheId: cacheId,
Labels: expectedLabels,
@ -104,7 +112,7 @@ func TestProcessEvalResults(t *testing.T) {
{EvaluationTime: evaluationTime.Add(1 * time.Minute), EvaluationState: eval.Alerting},
},
StartsAt: evaluationTime.Add(1 * time.Minute),
EndsAt: evaluationTime.Add(100 * time.Second),
EndsAt: evaluationTime.Add(alertRule.For * time.Second).Add(1 * time.Minute),
LastEvaluationTime: evaluationTime.Add(1 * time.Minute),
},
},
@ -129,7 +137,7 @@ func TestProcessEvalResults(t *testing.T) {
expectedResultCount: 2,
expectedCacheEntries: []state.AlertState{
{
UID: "test_uid",
AlertRuleUID: "test_uid",
OrgID: 123,
CacheId: cacheId,
Labels: expectedLabels,
@ -164,7 +172,7 @@ func TestProcessEvalResults(t *testing.T) {
expectedResultCount: 2,
expectedCacheEntries: []state.AlertState{
{
UID: "test_uid",
AlertRuleUID: "test_uid",
OrgID: 123,
CacheId: cacheId,
Labels: expectedLabels,
@ -174,7 +182,7 @@ func TestProcessEvalResults(t *testing.T) {
{EvaluationTime: evaluationTime.Add(1 * time.Minute), EvaluationState: eval.Alerting},
},
StartsAt: evaluationTime,
EndsAt: evaluationTime.Add(100 * time.Second),
EndsAt: evaluationTime.Add(alertRule.For * time.Second).Add(1 * time.Minute),
LastEvaluationTime: evaluationTime.Add(1 * time.Minute),
},
},
@ -199,7 +207,7 @@ func TestProcessEvalResults(t *testing.T) {
expectedResultCount: 2,
expectedCacheEntries: []state.AlertState{
{
UID: "test_uid",
AlertRuleUID: "test_uid",
OrgID: 123,
CacheId: cacheId,
Labels: expectedLabels,
@ -219,7 +227,7 @@ func TestProcessEvalResults(t *testing.T) {
for _, tc := range testCases {
t.Run("all fields for a cache entry are set correctly", func(t *testing.T) {
st := state.NewStateTracker(log.New("test_state_tracker"))
_ = st.ProcessEvalResults(&alertRule, tc.evalResults)
_ = st.ProcessEvalResults(&alertRule, tc.evalResults, processingTime)
for _, entry := range tc.expectedCacheEntries {
if !entry.Equals(st.Get(entry.CacheId)) {
t.Log(tc.desc)
@ -231,7 +239,7 @@ func TestProcessEvalResults(t *testing.T) {
t.Run("the expected number of entries are added to the cache", func(t *testing.T) {
st := state.NewStateTracker(log.New("test_state_tracker"))
st.ProcessEvalResults(&alertRule, tc.evalResults)
st.ProcessEvalResults(&alertRule, tc.evalResults, processingTime)
assert.Equal(t, len(tc.expectedCacheEntries), len(st.GetAll()))
})
@ -240,15 +248,15 @@ func TestProcessEvalResults(t *testing.T) {
//for a unique set of labels.
t.Run("the expected number of states are returned to the caller", func(t *testing.T) {
st := state.NewStateTracker(log.New("test_state_tracker"))
results := st.ProcessEvalResults(&alertRule, tc.evalResults)
results := st.ProcessEvalResults(&alertRule, tc.evalResults, processingTime)
assert.Equal(t, len(tc.evalResults), len(results))
})
}
}
func printEntryDiff(a, b state.AlertState, t *testing.T) {
if a.UID != b.UID {
t.Log(fmt.Sprintf("%v \t %v\n", a.UID, b.UID))
if a.AlertRuleUID != b.AlertRuleUID {
t.Log(fmt.Sprintf("%v \t %v\n", a.AlertRuleUID, b.AlertRuleUID))
}
if a.OrgID != b.OrgID {
t.Log(fmt.Sprintf("%v \t %v\n", a.OrgID, b.OrgID))