util

package
v0.1.3 Latest Latest
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 Go to latest Published: Mar 31, 2023 License: Apache-2.0 Imports: 46 Imported by: 0

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Index

Constants

View Source 
const (
	KubeconfigKey        = "kubeconfig"
	AWSCloudProviderName = "aws"
)
View Source 
const (

	// CPOImageName is the name under which components can find the CPO image in the release image..
	CPOImageName = "controlplane-operator"

	// AvailabilityProberImageName is the name under which components can find the availability prober
	// image in the release image.
	AvailabilityProberImageName = "availability-prober"
)
View Source 
const (
	// DebugDeploymentsAnnotation contains a comma separated list of deployment names which should always be scaled to 0
	// for development.
	DebugDeploymentsAnnotation = "hypershift.openshift.io/debug-deployments"
)
View Source 
const HCPRouteLabel = "hypershift.openshift.io/hosted-control-plane"
View Source 
const InternalRouteLabel = "hypershift.openshift.io/internal-route"

Variables

This section is empty.

Functions

func APIPort 

func APIPort(hcp *hyperv1.HostedControlPlane) *int32

func AddHCPRouteLabel 

func AddHCPRouteLabel(target crclient.Object)

func AddInternalRouteLabel 

func AddInternalRouteLabel(target crclient.Object)

func AdvertiseAddress 

func AdvertiseAddress(hcp *hyperv1.HostedControlPlane) *string

func AdvertiseAddressWithDefault 

func AdvertiseAddressWithDefault(hcp *hyperv1.HostedControlPlane, defaultValue string) string

func AllowedCIDRBlocks 

func AllowedCIDRBlocks(hcp *hyperv1.HostedControlPlane) []hyperv1.CIDRBlock

func ApplyCloudProviderCreds 

func ApplyCloudProviderCreds(
	podSpec *corev1.PodSpec,
	cloudProvider string,
	cloudProviderCreds *corev1.LocalObjectReference,
	tokenMinterImage string,
	containerName string,
)

func ApplyClusterIDLabel 

func ApplyClusterIDLabel(ep *prometheusoperatorv1.Endpoint, clusterID string)

func ApplyClusterIDLabelToPodMonitor 

func ApplyClusterIDLabelToPodMonitor(ep *prometheusoperatorv1.PodMetricsEndpoint, clusterID string)

func ApplyClusterIDLabelToRecordingRule 

func ApplyClusterIDLabelToRecordingRule(rule *prometheusoperatorv1.Rule, clusterID string)

func AvailabilityProber 

func AvailabilityProber(target string, image string, spec *corev1.PodSpec, o ...AvailabilityProberOpt)

func BindAPIPortWithDefault 

func BindAPIPortWithDefault(hcp *hyperv1.HostedControlPlane, defaultValue int32) int32

BindAPIPortWithDefault will retrieve the port the kube-apiserver binds on locally in the pod

func BindAPIPortWithDefaultFromHostedCluster 

func BindAPIPortWithDefaultFromHostedCluster(hc *hyperv1.HostedCluster, defaultValue int32) int32

BindAPIPortWithDefaultFromHostedCluster will retrieve the port the kube-apiserver binds on locally in the pod

func BuildContainer 

func BuildContainer(container *corev1.Container, buildFn func(*corev1.Container)) corev1.Container

func BuildVolume 

func BuildVolume(volume *corev1.Volume, buildFn func(*corev1.Volume)) corev1.Volume

func ClusterCIDRs 

func ClusterCIDRs(clusterNetwork []hyperv1.ClusterNetworkEntry) []string

func CollectLBMessageIfNotProvisioned 

func CollectLBMessageIfNotProvisioned(svc *corev1.Service, messageCollector events.MessageCollector) (string, error)

func Compress 

func Compress(payload []byte) (*bytes.Buffer, error)

Compress compresses a given byte array.

func CompressAndEncode 

func CompressAndEncode(payload []byte) (*bytes.Buffer, error)

CompressAndEncode compresses and base-64 encodes a given byte array. Ideal for loading an arbitrary byte array into a ConfigMap or Secret.

func ComputeHash 

func ComputeHash(s string) string

func ConnectsThroughInternetToControlplane 

func ConnectsThroughInternetToControlplane(platform hyperv1.PlatformSpec) bool

HasPrivateAPIServerConnectivity determines if workloads running inside the guest cluster can access the apiserver without using the Internet.

func CopyConfigMap 

func CopyConfigMap(cm, source *corev1.ConfigMap)

CopyConfigMap copies the .Data field of configMap `source` into configmap `cm`

func CreateTokenForServiceAccount added in v0.1.2 

func CreateTokenForServiceAccount(ctx context.Context, serviceAccount *corev1.ServiceAccount, client *kubernetes.Clientset) (string, error)

func DecodeAndDecompress 

func DecodeAndDecompress(payload []byte) (*bytes.Buffer, error)

DecodeAndDecompress decompresses and base-64 decodes a given byte array. Ideal for consuming a gzipped / base64-encoded byte array from a ConfigMap or Secret.

func DeleteIfNeeded 

func DeleteIfNeeded(ctx context.Context, c client.Client, o client.Object) (exists bool, err error)

func DeploymentAddTrustBundleVolume 

func DeploymentAddTrustBundleVolume(trustBundleConfigMap *corev1.LocalObjectReference, deployment *appsv1.Deployment)

func DeserializeResource 

func DeserializeResource(data string, resource runtime.Object, objectTyper runtime.ObjectTyper) error

func EnsureOwnerRef 

func EnsureOwnerRef(resource client.Object, ownerRef *metav1.OwnerReference)

func EnsurePullSecret 

func EnsurePullSecret(serviceAccount *corev1.ServiceAccount, secretName string)

func FindContainer 

func FindContainer(name string, containers []corev1.Container) *corev1.Container

func FirstClusterCIDR 

func FirstClusterCIDR(clusterNetwork []hyperv1.ClusterNetworkEntry) string

func FirstMachineCIDR 

func FirstMachineCIDR(machineNetwork []hyperv1.MachineNetworkEntry) string

func FirstServiceCIDR 

func FirstServiceCIDR(serviceNetwork []hyperv1.ServiceNetworkEntry) string

func GenerateReconciliationActiveCondition 

func GenerateReconciliationActiveCondition(pausedUntilField *string, objectGeneration int64) metav1.Condition

GenerateReconciliationActiveCondition will generate the resource condition that reflects the state of reconciliation on the resource.

func GetPayloadImage 

func GetPayloadImage(ctx context.Context, releaseImageProvider releaseinfo.Provider, hc *hyperv1.HostedCluster, component string, pullSecret []byte) (string, error)

func GetPayloadVersion 

func GetPayloadVersion(ctx context.Context, releaseImageProvider releaseinfo.Provider, hc *hyperv1.HostedCluster, pullSecret []byte) (*semver.Version, error)

func HashStruct 

func HashStruct(o interface{}) string

HashStruct takes a value, typically a string, and returns a 32-bit FNV-1a hashed version of the value as a string

func ImageLabels 

func ImageLabels(metadata *dockerv1client.DockerImageConfig) map[string]string

ImageLabels returns labels on a given image metadata

func InternalAPIPortFromHostedClusterWithDefault 

func InternalAPIPortFromHostedClusterWithDefault(hc *hyperv1.HostedCluster, defaultValue int32) int32

InternalAPIPortFromHostedClusterWithDefault will retrieve the port to use to contact the APIServer over the Kubernetes service domain kube-apiserver.NAMESPACE.svc.cluster.local:INTERNAL_API_PORT

func InternalAPIPortWithDefault 

func InternalAPIPortWithDefault(hcp *hyperv1.HostedControlPlane, defaultValue int32) int32

InternalAPIPortWithDefault will retrieve the port to use to contact the APIServer over the Kubernetes service domain kube-apiserver.NAMESPACE.svc.cluster.local:INTERNAL_API_PORT

func IsDeploymentReady 

func IsDeploymentReady(ctx context.Context, c crclient.Client, deployment *appsv1.Deployment) (bool, error)

func IsPrivateHC 

func IsPrivateHC(hc *hyperv1.HostedCluster) bool

func IsPrivateHCP 

func IsPrivateHCP(hcp *hyperv1.HostedControlPlane) bool

func IsPublicHCP 

func IsPublicHCP(hcp *hyperv1.HostedControlPlane) bool

func IsPublicKASWithDNS 

func IsPublicKASWithDNS(hostedControlPlane *hyperv1.HostedControlPlane) bool

func IsReconciliationPaused 

func IsReconciliationPaused(logr logr.Logger, pausedUntilField *string) (bool, time.Duration)

IsReconciliationPaused checks the pauseUntil field to see if reconciliation on the resource should be paused and for how long.

func IsRouteKAS 

func IsRouteKAS(hcp *hyperv1.HostedControlPlane) bool

func MachineCIDRs 

func MachineCIDRs(machineNetwork []hyperv1.MachineNetworkEntry) []string

func ParseNamespacedName 

func ParseNamespacedName(name string) types.NamespacedName

ParseNamespacedName expects a string with the format "namespace/name" and returns the proper types.NamespacedName. This is useful when watching a CR annotated with the format above to requeue the CR described in the annotation.

func ProcessPausedUntilField 

func ProcessPausedUntilField(pausedUntilField *string, now time.Time) (isPaused bool, duration time.Duration, err error)

ProcessPausedUntilField checks the pauseUntil field to see if reconciliation on the resource should be paused. Input can either be a date in RFC3339 format, or a Boolean. It returns a Boolean isPaused, a duration and an error. If the input is a date, a duration!=0 is returned so consumers can choose to requeueAfter it.

func ReconcileExternalRoute 

func ReconcileExternalRoute(route *routev1.Route, hostname string, defaultIngressDomain string, serviceName string) error

func ReconcileInternalRoute 

func ReconcileInternalRoute(route *routev1.Route, hcName string, serviceName string) error

func ResolveDNSHostname 

func ResolveDNSHostname(ctx context.Context, hostName string) error

ResolveDNSHostname receives a hostname string and tries to resolve it. Returns error if the host can't be resolved.

func SerializeResource 

func SerializeResource(resource runtime.Object, objectTyper runtime.ObjectTyper) (string, error)

func ServiceCIDRs 

func ServiceCIDRs(serviceNetwork []hyperv1.ServiceNetworkEntry) []string

func ServiceExternalDNSHostname 

func ServiceExternalDNSHostname(hcp *hyperv1.HostedControlPlane, serviceType hyperv1.ServiceType) string

func ServicePublishingStrategyByTypeByHC 

func ServicePublishingStrategyByTypeByHC(hc *hyperv1.HostedCluster, svcType hyperv1.ServiceType) *hyperv1.ServicePublishingStrategy

func ServicePublishingStrategyByTypeForHCP 

func ServicePublishingStrategyByTypeForHCP(hcp *hyperv1.HostedControlPlane, svcType hyperv1.ServiceType) *hyperv1.ServicePublishingStrategy

func ShortenRouteHostnameIfNeeded 

func ShortenRouteHostnameIfNeeded(name, namespace string, baseDomain string) string

ShortenRouteHostnameIfNeeded will return a shortened hostname if the route hostname will exceed the allowed DNS name size. If the hostname is not too long, an empty string is returned so that the default can be used.

func StringListContains 

func StringListContains(list string, s string) bool

Contains checks if a comma-delimited string contains a specific string.

func UseDedicatedDNSForKASByHC 

func UseDedicatedDNSForKASByHC(hc *hyperv1.HostedCluster) bool

func UseDedicatedDNSforKAS 

func UseDedicatedDNSforKAS(hcp *hyperv1.HostedControlPlane) bool

Types

type AvailabilityProberOpt 

type AvailabilityProberOpt func(*AvailabilityProberOpts)

type AvailabilityProberOpts 

type AvailabilityProberOpts struct {
	KubeconfigVolumeName          string
	RequiredAPIs                  []schema.GroupVersionKind
	WaitForInfrastructureResource bool
	WaitForLabeledPodsGone        string
}

type ContainerVolumeMounts 

type ContainerVolumeMounts map[string]string

type ImageMetadataProvider 

type ImageMetadataProvider interface {
	ImageMetadata(ctx context.Context, imageRef string, pullSecret []byte) (*dockerv1client.DockerImageConfig, error)
}

type PodVolumeMounts 

type PodVolumeMounts map[string]ContainerVolumeMounts

func (PodVolumeMounts) ContainerMounts 

func (m PodVolumeMounts) ContainerMounts(container string) []corev1.VolumeMount

func (PodVolumeMounts) Path 

func (m PodVolumeMounts) Path(container, volume string) string

type RegistryClientImageMetadataProvider 

type RegistryClientImageMetadataProvider struct{}

func (*RegistryClientImageMetadataProvider) ImageMetadata 

func (*RegistryClientImageMetadataProvider) ImageMetadata(ctx context.Context, imageRef string, pullSecret []byte) (*dockerv1client.DockerImageConfig, error)

ImageMetadata returns metadata for a given image using the given pull secret to authenticate. This lookup uses a cache based on the image digest. If the reference of the image contains a digest (which is the mainline case for images in a release payload), the digest is parsed from the image reference and then used to lookup image metadata in the cache. When the image reference does not contain a digest, a lookup is made to the registry to fetch the digest of the image that the tag refers to. This is because the actual image that the tag is referring to could have changed. Once a digest is obtained, the cache is checked so that no further fetching occurs. Only if both cache lookups fail, the image metadata is fetched and stored in the cache.

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