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objectives_evaluator.go
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/
objectives_evaluator.go
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package analysis
import (
"github.com/go-logr/logr"
metricsapi "github.com/keptn/lifecycle-toolkit/metrics-operator/api/v1"
metricstypes "github.com/keptn/lifecycle-toolkit/metrics-operator/controllers/common/analysis/types"
"github.com/keptn/lifecycle-toolkit/metrics-operator/controllers/common/providers"
"golang.org/x/net/context"
"sigs.k8s.io/controller-runtime/pkg/client"
)
//go:generate moq -pkg fake -skip-ensure -out ./fake/evaluator_mock.go . IObjectivesEvaluator
type IObjectivesEvaluator interface {
Evaluate(ctx context.Context, providerType string, obj chan metricstypes.ProviderRequest)
}
type ObjectivesEvaluator struct {
*metricsapi.Analysis
providers.ProviderFactory
client.Client
log logr.Logger
results chan metricsapi.ProviderResult
cancel context.CancelFunc
}
func (oe ObjectivesEvaluator) Evaluate(ctx context.Context, providerType string, obj chan metricstypes.ProviderRequest) {
provider, err := oe.ProviderFactory(providerType, oe.log, oe.Client)
if err != nil {
oe.log.Error(err, "Failed to get the correct Provider")
oe.cancel()
return
}
for o := range obj {
value := ""
var strErr string
value, err = provider.FetchAnalysisValue(ctx, o.Query, *oe.Analysis, o.Provider)
if err != nil {
strErr = err.Error()
}
result := metricsapi.ProviderResult{
Objective: o.Objective.AnalysisValueTemplateRef,
Query: o.Query,
Value: value,
ErrMsg: strErr,
}
oe.log.Info("provider", "id:", providerType, "finished job:", o.Objective.AnalysisValueTemplateRef.Name, "result:", result)
oe.results <- result
}
}