k8sutil

package
Version: v0.11.0 Latest Latest
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Published: Oct 10, 2019 License: Apache-2.0 Imports: 11 Imported by: 0

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Index

Constants

View Source
const (
	// KubeConfigEnvVar defines the env variable KUBECONFIG which
	// contains the kubeconfig file path.
	KubeConfigEnvVar = "KUBECONFIG"

	// WatchNamespaceEnvVar is the constant for env variable WATCH_NAMESPACE
	// which is the namespace where the watch activity happens.
	// this value is empty if the operator is running with clusterScope.
	WatchNamespaceEnvVar = "WATCH_NAMESPACE"

	// OperatorNameEnvVar is the constant for env variable OPERATOR_NAME
	// which is the name of the current operator
	OperatorNameEnvVar = "OPERATOR_NAME"

	// PodNameEnvVar is the constant for env variable POD_NAME
	// which is the name of the current pod.
	PodNameEnvVar = "POD_NAME"
)

Variables

View Source
var ErrNoNamespace = fmt.Errorf("namespace not found for current environment")

ErrNoNamespace indicates that a namespace could not be found for the current environment

View Source
var ErrRunLocal = fmt.Errorf("operator run mode forced to local")

ErrRunLocal indicates that the operator is set to run in local mode (this error is returned by functions that only work on operators running in cluster mode)

View Source
var ForceRunModeEnv = "OSDK_FORCE_RUN_MODE"

ForceRunModeEnv indicates if the operator should be forced to run in either local or cluster mode (currently only used for local mode)

Functions

func GetGVKsFromAddToScheme added in v0.9.0

func GetGVKsFromAddToScheme(addToSchemeFunc func(*runtime.Scheme) error) ([]schema.GroupVersionKind, error)

GetGVKsFromAddToScheme takes in the runtime scheme and filters out all generic apimachinery meta types. It returns just the GVK specific to this scheme.

func GetOperatorName

func GetOperatorName() (string, error)

GetOperatorName return the operator name

func GetOperatorNamespace added in v0.4.0

func GetOperatorNamespace() (string, error)

GetOperatorNamespace returns the namespace the operator should be running in.

func GetPod added in v0.6.0

func GetPod(ctx context.Context, client crclient.Client, ns string) (*corev1.Pod, error)

GetPod returns a Pod object that corresponds to the pod in which the code is currently running. It expects the environment variable POD_NAME to be set by the downwards API.

func GetWatchNamespace

func GetWatchNamespace() (string, error)

GetWatchNamespace returns the namespace the operator should be watching for changes

func ResourceExists added in v0.4.0

func ResourceExists(dc discovery.DiscoveryInterface, apiGroupVersion, kind string) (bool, error)

ResourceExists returns true if the given resource kind exists in the given api groupversion

Types

type RunModeType added in v0.10.0

type RunModeType string
const (
	LocalRunMode   RunModeType = "local"
	ClusterRunMode RunModeType = "cluster"
)

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