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available.go
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available.go
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package v1
import (
"errors"
apiconfigv1 "github.com/openshift/api/config/v1"
"github.com/sirupsen/logrus"
"k8s.io/apimachinery/pkg/runtime/schema"
apidiscovery "k8s.io/client-go/discovery"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
)
// isAPIAvailable tracks if the config.openshift.io API is available.
var isAPIAvailable = false
// SetConfigAPIAvailability will discover and set the availability of the
// OpenShift API
func SetConfigAPIAvailability(cfg *rest.Config) error {
if cfg == nil {
return errors.New("cfg cannot be nil")
}
k8sInterface, err := kubernetes.NewForConfig(cfg)
if err != nil {
return err
}
opStatusGV := schema.GroupVersion{
Group: apiconfigv1.GroupName,
Version: apiconfigv1.GroupVersion.Version,
}
err = apidiscovery.ServerSupportsVersion(k8sInterface, opStatusGV)
if err == nil {
logrus.Info("Config API is available")
isAPIAvailable = true
return nil
}
logrus.Warn("Config API is not available")
return nil
}
// IsAPIAvailable returns whether or not the config API is available.
func IsAPIAvailable() bool {
return isAPIAvailable
}