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manager.go
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manager.go
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package kubernetes
import (
"encoding/json"
"errors"
"code.cloudfoundry.org/lager"
"github.com/chenbh/concourse/v6/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) MarshalJSON() ([]byte, error) {
// XXX: Get Health
return json.Marshal(&map[string]interface{}{
"in_cluster_config": manager.InClusterConfig,
"config_path": manager.ConfigPath,
"namespace_config": manager.NamespacePrefix,
})
}
func (manager KubernetesManager) Init(log lager.Logger) error {
return nil
}
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) Health() (*creds.HealthResponse, error) {
return nil, nil
}
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) NewSecretsFactory(logger lager.Logger) (creds.SecretsFactory, 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
}
func (manager KubernetesManager) Close(logger lager.Logger) {
// TODO - to implement
}