common

Documentation

Index

• Constants
• func ComputeOffsetIP(subnet *net.IPNet, offset int64) (net.IP, error)
• func DeleteAlertmanager(ctx context.Context, k8sClient client.Client, namespace string) error
• func DeleteGrafanaByRole(ctx context.Context, k8sClient kubernetes.Interface, namespace, role string) error
• func DeleteHvpa(ctx context.Context, c client.Client, namespace string) error
• func DeleteLoki(ctx context.Context, k8sClient client.Client, namespace string) error
• func DeleteReserveExcessCapacity(ctx context.Context, k8sClient client.Client) error
• func DeleteSeedLoggingStack(ctx context.Context, k8sClient client.Client) error
• func FilterEntriesByPrefix(prefix string, entries []string) []string
• func GenerateAddonConfig(values map[string]interface{}, enabled bool) map[string]interface{}

Constants

const (
	// VPNTunnel dictates that VPN is used as a tunnel between seed and shoot networks.
	VPNTunnel string = "vpn-shoot"

	// GrafanaOperatorsPrefix is a constant for a prefix used for the operators Grafana instance.
	GrafanaOperatorsPrefix = "go"

	// GrafanaUsersPrefix is a constant for a prefix used for the users Grafana instance.
	GrafanaUsersPrefix = "gu"

	// PrometheusPrefix is a constant for a prefix used for the Prometheus instance.
	PrometheusPrefix = "p"

	// AlertManagerPrefix is a constant for a prefix used for the AlertManager instance.
	AlertManagerPrefix = "au"

	// LokiPrefix is a constant for a prefix used for the Loki instance.
	LokiPrefix = "l"

	// ManagedResourceShootCoreName is the name of the shoot core managed resource.
	ManagedResourceShootCoreName = "shoot-core"
	// ManagedResourceAddonsName is the name of the addons managed resource.
	ManagedResourceAddonsName = "addons"

	// SeedSpecHash is a constant for a label on `ControllerInstallation`s (similar to `pod-template-hash` on `Pod`s).
	SeedSpecHash = "seed-spec-hash"

	// ControllerDeploymentHash is a constant for a label on `ControllerInstallation`s (similar to `pod-template-hash` on `Pod`s).
	ControllerDeploymentHash = "deployment-hash"
	// RegistrationSpecHash is a constant for a label on `ControllerInstallation`s (similar to `pod-template-hash` on `Pod`s).
	RegistrationSpecHash = "registration-spec-hash"

	// IstioNamespace is the istio-system namespace.
	IstioNamespace = "istio-system"

	// EndUserCrtValidity is the time period a user facing certificate is valid.
	EndUserCrtValidity = 730 * 24 * time.Hour // ~2 years, see https://support.apple.com/en-us/HT210176

	// ShootDNSIngressName is a constant for the DNS resources used for the shoot ingress addon.
	ShootDNSIngressName = "ingress"

	// GardenLokiPriorityClassName is the name of the PriorityClass for the Loki in the garden namespace.
	GardenLokiPriorityClassName = "garden-loki"
)

Functions

func ComputeOffsetIP

func ComputeOffsetIP(subnet *net.IPNet, offset int64) (net.IP, error)

ComputeOffsetIP parses the provided <subnet> and offsets with the value of <offset>. For example, <subnet> = 100.64.0.0/11 and <offset> = 10 the result would be 100.64.0.10 IPv6 and IPv4 is supported.

func DeleteAlertmanager

func DeleteAlertmanager(ctx context.Context, k8sClient client.Client, namespace string) error

DeleteAlertmanager deletes all resources of the Alertmanager in a given namespace.

func DeleteGrafanaByRole

func DeleteGrafanaByRole(ctx context.Context, k8sClient kubernetes.Interface, namespace, role string) error

DeleteGrafanaByRole deletes the monitoring stack for the shoot owner.

func DeleteHvpa

func DeleteHvpa(ctx context.Context, c client.Client, namespace string) error

DeleteHvpa delete all resources required for the HVPA in the given namespace.

func DeleteLoki

func DeleteLoki(ctx context.Context, k8sClient client.Client, namespace string) error

DeleteLoki deletes all resources of the Loki in a given namespace.

func DeleteReserveExcessCapacity

func DeleteReserveExcessCapacity(ctx context.Context, k8sClient client.Client) error

DeleteReserveExcessCapacity deletes the deployment and priority class for excess capacity

func DeleteSeedLoggingStack

func DeleteSeedLoggingStack(ctx context.Context, k8sClient client.Client) error

DeleteSeedLoggingStack deletes all seed resource of the logging stack in the garden namespace.

func FilterEntriesByPrefix

func FilterEntriesByPrefix(prefix string, entries []string) []string

FilterEntriesByPrefix returns a list of strings which begin with the given prefix.

func GenerateAddonConfig

func GenerateAddonConfig(values map[string]interface{}, enabled bool) map[string]interface{}

GenerateAddonConfig returns the provided <values> in case <enabled> is true. Otherwise, nil is being returned.