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iter8.go
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iter8.go
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package business
import (
"encoding/json"
"github.com/kiali/kiali/config"
"github.com/kiali/kiali/kubernetes"
"github.com/kiali/kiali/models"
"github.com/kiali/kiali/prometheus/internalmetrics"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
type Iter8Service struct {
k8s kubernetes.IstioClientInterface
businessLayer *Layer
}
func (in *Iter8Service) GetIter8Info() models.Iter8Info {
var err error
promtimer := internalmetrics.GetGoFunctionMetric("business", "Iter8Service", "GetIter8Info")
defer promtimer.ObserveNow(&err)
conf := config.Get()
// It will be considered enabled if the extension is present in the Kiali configuration and the CRD is enabled on the cluster
if conf.Extensions.Iter8.Enabled && in.k8s.IsIter8Api() {
return models.Iter8Info{
Enabled: true,
}
}
return models.Iter8Info{
Enabled: false,
}
}
func (in *Iter8Service) GetIter8Experiment(namespace string, name string) (models.Iter8ExperimentDetail, error) {
var err error
promtimer := internalmetrics.GetGoFunctionMetric("business", "Iter8Service", "GetIter8Experiment")
defer promtimer.ObserveNow(&err)
iter8ExperimentDetail := models.Iter8ExperimentDetail{}
iter8ExperimentObject, err := in.k8s.GetIter8Experiment(namespace, name)
if err != nil {
return iter8ExperimentDetail, err
}
iter8ExperimentDetail.Parse(iter8ExperimentObject)
return iter8ExperimentDetail, nil
}
func (in *Iter8Service) GetIter8ExperimentsByNamespace(namespace string) ([]models.Iter8ExperimentItem, error) {
var err error
promtimer := internalmetrics.GetGoFunctionMetric("business", "Iter8Service", "GetIter8ExperimentsByNamespace")
defer promtimer.ObserveNow(&err)
return in.fetchIter8Experiments(namespace)
}
func (in *Iter8Service) GetIter8Experiments(namespaces []string) ([]models.Iter8ExperimentItem, error) {
var err error
promtimer := internalmetrics.GetGoFunctionMetric("business", "Iter8Service", "GetIter8Experiments")
defer promtimer.ObserveNow(&err)
experiments := make([]models.Iter8ExperimentItem, 0)
if len(namespaces) == 0 {
allNamespaces, _ := in.businessLayer.Namespace.GetNamespaces()
for _, namespace := range allNamespaces {
namespaces = append(namespaces, namespace.Name)
}
}
for _, namespace := range namespaces {
experimentsOfNamespace, err := in.fetchIter8Experiments(namespace)
if err == nil {
experiments = append(experiments, experimentsOfNamespace...)
}
}
return experiments, nil
}
func (in *Iter8Service) fetchIter8Experiments(namespace string) ([]models.Iter8ExperimentItem, error) {
iter8ExperimentObjects, err := in.k8s.GetIter8Experiments(namespace)
if err != nil {
return []models.Iter8ExperimentItem{}, err
}
experiments := make([]models.Iter8ExperimentItem, 0)
for _, iter8ExperimentObject := range iter8ExperimentObjects {
iter8ExperimentItem := models.Iter8ExperimentItem{}
iter8ExperimentItem.Parse(iter8ExperimentObject)
experiments = append(experiments, iter8ExperimentItem)
}
return experiments, nil
}
func (in *Iter8Service) CreateIter8Experiment(namespace string, body []byte) (models.Iter8ExperimentDetail, error) {
var err error
promtimer := internalmetrics.GetGoFunctionMetric("business", "Iter8Service", "CreateIter8Experiment")
defer promtimer.ObserveNow(&err)
iter8ExperimentDetail := models.Iter8ExperimentDetail{}
json, err := in.ParseJsonForCreate(body)
if err != nil {
return iter8ExperimentDetail, err
}
iter8ExperimentObject, err := in.k8s.CreateIter8Experiment(namespace, json)
if err != nil {
return iter8ExperimentDetail, err
}
iter8ExperimentDetail.Parse(iter8ExperimentObject)
return iter8ExperimentDetail, nil
}
func (in *Iter8Service) ParseJsonForCreate(body []byte) (string, error) {
newExperimentSpec := models.Iter8ExperimentSpec{}
err := json.Unmarshal(body, &newExperimentSpec)
if err != nil {
return "", err
}
object := kubernetes.Iter8ExperimentObject{
TypeMeta: v1.TypeMeta{
APIVersion: kubernetes.Iter8GroupVersion.String(),
Kind: "Experiment",
},
ObjectMeta: v1.ObjectMeta{
Name: newExperimentSpec.Name,
Namespace: newExperimentSpec.Namespace,
},
Spec: kubernetes.Iter8ExperimentSpec{},
Metrics: nil,
Status: kubernetes.Iter8ExperimentStatus{},
}
object.Spec.TargetService.ApiVersion = "v1"
object.Spec.TargetService.Name = newExperimentSpec.Service
object.Spec.TargetService.Baseline = newExperimentSpec.Baseline
object.Spec.TargetService.Candidate = newExperimentSpec.Candidate
object.Spec.TrafficControl.Strategy = newExperimentSpec.TrafficControl.Algorithm
object.Spec.TrafficControl.MaxTrafficPercentage = newExperimentSpec.TrafficControl.MaxTrafficPercentage
b, err2 := json.Marshal(object)
if err2 != nil {
return "", err2
}
return string(b), nil
}