/
remover.go
64 lines (54 loc) · 1.37 KB
/
remover.go
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package knative
import (
"bytes"
"fmt"
"github.com/boson-project/faas/k8s"
"io"
"k8s.io/client-go/tools/clientcmd"
commands "knative.dev/client/pkg/kn/commands"
"os"
"time"
)
func NewRemover(namespaceOverride string) *Remover {
return &Remover{Namespace: namespaceOverride}
}
type Remover struct {
Namespace string
Verbose bool
}
func (remover *Remover) Remove(name string) (err error) {
project, err := k8s.ToSubdomain(name)
if err != nil {
return
}
var output io.Writer
if remover.Verbose {
output = os.Stdout
} else {
output = &bytes.Buffer{}
}
p := commands.KnParams{}
p.Initialize()
p.Output = output
if err != nil {
return err
}
if remover.Namespace == "" {
loadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
clientConfig := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, &clientcmd.ConfigOverrides{})
remover.Namespace, _, _ = clientConfig.Namespace()
}
client, err := p.NewServingClient(remover.Namespace)
if err != nil {
return fmt.Errorf("remover failed to create new serving client: %v", err)
}
err = client.DeleteService(project, time.Second*30)
if err != nil {
if remover.Verbose {
err = fmt.Errorf("remover failed to delete the service: %v", err)
} else {
err = fmt.Errorf("remover failed to delete the service: %v.\nStdOut: %s", err, output.(*bytes.Buffer).String())
}
}
return
}