forked from kyma-project/kyma
/
deployment_service.go
76 lines (60 loc) · 1.8 KB
/
deployment_service.go
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package k8s
import (
"fmt"
"github.com/pkg/errors"
api "k8s.io/api/apps/v1beta2"
"k8s.io/client-go/tools/cache"
)
type deploymentService struct {
informer cache.SharedIndexInformer
}
func newDeploymentService(informer cache.SharedIndexInformer) *deploymentService {
svc := &deploymentService{
informer: informer,
}
informer.AddIndexers(cache.Indexers{
"functionFilter": func(obj interface{}) ([]string, error) {
deployment, err := svc.toDeployment(obj)
if err != nil {
return nil, errors.Wrapf(err, "while indexing by `functionFilter`")
}
_, isFunction := deployment.Labels["function"]
key := fmt.Sprintf("%s/%t", deployment.Namespace, isFunction)
return []string{key}, nil
},
})
return svc
}
func (svc *deploymentService) List(environment string) ([]*api.Deployment, error) {
items, err := svc.informer.GetIndexer().ByIndex("namespace", environment)
if err != nil {
return nil, err
}
return svc.toDeployments(items)
}
func (svc *deploymentService) ListWithoutFunctions(environment string) ([]*api.Deployment, error) {
key := fmt.Sprintf("%s/false", environment)
items, err := svc.informer.GetIndexer().ByIndex("functionFilter", key)
if err != nil {
return nil, err
}
return svc.toDeployments(items)
}
func (svc *deploymentService) toDeployments(items []interface{}) ([]*api.Deployment, error) {
var deployments []*api.Deployment
for _, item := range items {
deployment, err := svc.toDeployment(item)
if err != nil {
return nil, err
}
deployments = append(deployments, deployment)
}
return deployments, nil
}
func (svc *deploymentService) toDeployment(item interface{}) (*api.Deployment, error) {
deployment, ok := item.(*api.Deployment)
if !ok {
return nil, fmt.Errorf("incorrect item type: %T, should be: *Deployment", item)
}
return deployment, nil
}