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Replace eval.Condition with models.Condition (#31909)

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Sofia Papagiannaki 2021-03-11 18:56:58 +02:00 committed by GitHub
parent 6fe2baf168
commit 53bccf1b77
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3 changed files with 10 additions and 25 deletions
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12
pkg/services/ngalert/api/api.go
View File

@ -62,7 +62,7 @@ func (api *API) RegisterAPIEndpoints() {
// conditionEvalEndpoint handles POST /api/alert-definitions/eval.
func (api *API) conditionEvalEndpoint(c *models.ReqContext, cmd ngmodels.EvalAlertConditionCommand) response.Response {
evalCond := eval.Condition{
evalCond := ngmodels.Condition{
RefID: cmd.Condition,
OrgID: c.SignedInUser.OrgId,
QueriesAndExpressions: cmd.Data,
@ -165,7 +165,7 @@ func (api *API) updateAlertDefinitionEndpoint(c *models.ReqContext, cmd ngmodels
cmd.UID = c.Params(":alertDefinitionUID")
cmd.OrgID = c.SignedInUser.OrgId
evalCond := eval.Condition{
evalCond := ngmodels.Condition{
RefID: cmd.Condition,
OrgID: c.SignedInUser.OrgId,
QueriesAndExpressions: cmd.Data,
@ -185,7 +185,7 @@ func (api *API) updateAlertDefinitionEndpoint(c *models.ReqContext, cmd ngmodels
func (api *API) createAlertDefinitionEndpoint(c *models.ReqContext, cmd ngmodels.SaveAlertDefinitionCommand) response.Response {
cmd.OrgID = c.SignedInUser.OrgId
evalCond := eval.Condition{
evalCond := ngmodels.Condition{
RefID: cmd.Condition,
OrgID: c.SignedInUser.OrgId,
QueriesAndExpressions: cmd.Data,
@ -253,7 +253,7 @@ func (api *API) alertDefinitionUnpauseEndpoint(c *models.ReqContext, cmd ngmodel
}
// LoadAlertCondition returns a Condition object for the given alertDefinitionID.
func (api *API) LoadAlertCondition(alertDefinitionUID string, orgID int64) (*eval.Condition, error) {
func (api *API) LoadAlertCondition(alertDefinitionUID string, orgID int64) (*ngmodels.Condition, error) {
q := ngmodels.GetAlertDefinitionByUIDQuery{UID: alertDefinitionUID, OrgID: orgID}
if err := api.Store.GetAlertDefinitionByUID(&q); err != nil {
return nil, err
@ -265,14 +265,14 @@ func (api *API) LoadAlertCondition(alertDefinitionUID string, orgID int64) (*eva
return nil, err
}
return &eval.Condition{
return &ngmodels.Condition{
RefID: alertDefinition.Condition,
OrgID: alertDefinition.OrgID,
QueriesAndExpressions: alertDefinition.Data,
}, nil
}
func (api *API) validateCondition(c eval.Condition, user *models.SignedInUser, skipCache bool) error {
func (api *API) validateCondition(c ngmodels.Condition, user *models.SignedInUser, skipCache bool) error {
var refID string
if len(c.QueriesAndExpressions) == 0 {

21
pkg/services/ngalert/eval/eval.go
View File

@ -42,15 +42,6 @@ func (e *invalidEvalResultFormatError) Unwrap() error {
return e.err
}
// Condition contains backend expressions and queries and the RefID
// of the query or expression that will be evaluated.
type Condition struct {
RefID string `json:"refId"`
OrgID int64 `json:"-"`
QueriesAndExpressions []models.AlertQuery `json:"queriesAndExpressions"`
}
// ExecutionResults contains the unevaluated results from executing
// a condition.
type ExecutionResults struct {
@ -88,12 +79,6 @@ func (s state) String() string {
return [...]string{"Normal", "Alerting"}[s]
}
// IsValid checks the condition's validity.
func (c Condition) IsValid() bool {
// TODO search for refIDs in QueriesAndExpressions
return len(c.QueriesAndExpressions) != 0
}
// AlertExecCtx is the context provided for executing an alert condition.
type AlertExecCtx struct {
OrgID int64
@ -103,7 +88,7 @@ type AlertExecCtx struct {
}
// execute runs the Condition's expressions or queries.
func (c *Condition) execute(ctx AlertExecCtx, now time.Time, dataService *tsdb.Service) (*ExecutionResults, error) {
func execute(ctx AlertExecCtx, c *models.Condition, now time.Time, dataService *tsdb.Service) (*ExecutionResults, error) {
result := ExecutionResults{}
if !c.IsValid() {
return nil, fmt.Errorf("invalid conditions")
@ -224,13 +209,13 @@ func (evalResults Results) AsDataFrame() data.Frame {
}
// ConditionEval executes conditions and evaluates the result.
func (e *Evaluator) ConditionEval(condition *Condition, now time.Time, dataService *tsdb.Service) (Results, error) {
func (e *Evaluator) ConditionEval(condition *models.Condition, now time.Time, dataService *tsdb.Service) (Results, error) {
alertCtx, cancelFn := context.WithTimeout(context.Background(), alertingEvaluationTimeout)
defer cancelFn()
alertExecCtx := AlertExecCtx{OrgID: condition.OrgID, Ctx: alertCtx, ExpressionsEnabled: e.Cfg.ExpressionsEnabled}
execResult, err := condition.execute(alertExecCtx, now, dataService)
execResult, err := execute(alertExecCtx, condition, now, dataService)
if err != nil {
return nil, fmt.Errorf("failed to execute conditions: %w", err)
}

2
pkg/services/ngalert/schedule/schedule.go
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@ -63,7 +63,7 @@ func (sch *schedule) definitionRoutine(grafanaCtx context.Context, key models.Al
sch.log.Debug("new alert definition version fetched", "title", alertDefinition.Title, "key", key, "version", alertDefinition.Version)
}
condition := eval.Condition{
condition := models.Condition{
RefID: alertDefinition.Condition,
OrgID: alertDefinition.OrgID,
QueriesAndExpressions: alertDefinition.Data,