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manager.go
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manager.go
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package kubernetes
import (
"errors"
"code.cloudfoundry.org/lager"
"github.com/concourse/atc/creds"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
)
type KubernetesManager struct {
InClusterConfig bool `long:"in-cluster" description:"Enables the in-cluster client."`
ConfigPath string `long:"config-path" description:"Path to Kubernetes config when running ATC outside Kubernetes."`
NamespacePrefix string `long:"namespace-prefix" default:"concourse-" description:"Prefix to use for Kubernetes namespaces under which secrets will be looked up."`
}
func (manager KubernetesManager) IsConfigured() bool {
return manager.InClusterConfig || manager.ConfigPath != ""
}
func (manager KubernetesManager) buildConfig() (*rest.Config, error) {
if manager.InClusterConfig {
return rest.InClusterConfig()
}
return clientcmd.BuildConfigFromFlags("", manager.ConfigPath)
}
func (manager KubernetesManager) Validate() error {
if manager.InClusterConfig && manager.ConfigPath != "" {
return errors.New("Either in-cluster or config-path can be used, not both.")
}
_, err := manager.buildConfig()
return err
}
func (manager KubernetesManager) NewVariablesFactory(logger lager.Logger) (creds.VariablesFactory, error) {
config, err := manager.buildConfig()
if err != nil {
return nil, err
}
config.QPS = 100
config.Burst = 100
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
return nil, err
}
return NewKubernetesFactory(logger, clientset, manager.NamespacePrefix), nil
}