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types.go
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/
types.go
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// SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0
package config
import (
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
componentbaseconfig "k8s.io/component-base/config"
)
const (
// SameRegion Strategy determines a seed candidate for a shoot only if the cloud profile and region are identical
SameRegion CandidateDeterminationStrategy = "SameRegion"
// MinimalDistance Strategy determines a seed candidate for a shoot if the cloud profile are identical. Then chooses the seed with the minimal distance to the shoot.
MinimalDistance CandidateDeterminationStrategy = "MinimalDistance"
// Default Strategy is the default strategy to use when there is no configuration provided
Default CandidateDeterminationStrategy = SameRegion
// SchedulerDefaultLockObjectNamespace is the default lock namespace for leader election.
SchedulerDefaultLockObjectNamespace = "garden"
// SchedulerDefaultLockObjectName is the default lock name for leader election.
SchedulerDefaultLockObjectName = "gardener-scheduler-leader-election"
// SchedulerDefaultConfigurationConfigMapNamespace is the namespace of the scheduler configuration config map
SchedulerDefaultConfigurationConfigMapNamespace = "garden"
// SchedulerDefaultConfigurationConfigMapName is the name of the scheduler configuration config map
SchedulerDefaultConfigurationConfigMapName = "gardener-scheduler-configmap"
// DefaultDiscoveryTTL is the default ttl for the cached discovery client.
DefaultDiscoveryTTL = 10 * time.Second
)
// Strategies defines all currently implemented SeedCandidateDeterminationStrategies
var Strategies = []CandidateDeterminationStrategy{SameRegion, MinimalDistance}
// CandidateDeterminationStrategy defines how seeds for shoots, that do not specify a seed explicitly, are being determined
type CandidateDeterminationStrategy string
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// SchedulerConfiguration provides the configuration for the Gardener scheduler
type SchedulerConfiguration struct {
metav1.TypeMeta
// ClientConnection specifies the kubeconfig file and client connection
// settings for the proxy server to use when communicating with the gardener-apiserver.
ClientConnection componentbaseconfig.ClientConnectionConfiguration
// LeaderElection defines the configuration of leader election client.
LeaderElection *componentbaseconfig.LeaderElectionConfiguration
// LogLevel is the level/severity for the logs. Must be one of [info,debug,error].
LogLevel string
// LogFormat is the output format for the logs. Must be one of [text,json].
LogFormat string
// Server defines the configuration of the HTTP server. This is deprecated in favor of
// HealthServer.
Server ServerConfiguration
// Debugging holds configuration for Debugging related features.
Debugging *componentbaseconfig.DebuggingConfiguration
// Scheduler defines the configuration of the schedulers.
Schedulers SchedulerControllerConfiguration
// FeatureGates is a map of feature names to bools that enable or disable alpha/experimental
// features. This field modifies piecemeal the built-in default values from
// "github.com/gardener/gardener/pkg/scheduler/features/features.go".
// Default: nil
FeatureGates map[string]bool
}
// SchedulerControllerConfiguration defines the configuration of the controllers.
type SchedulerControllerConfiguration struct {
// BackupBucket defines the configuration of the BackupBucket controller.
// +optional
BackupBucket *BackupBucketSchedulerConfiguration
// Shoot defines the configuration of the Shoot controller.
// +optional
Shoot *ShootSchedulerConfiguration
}
// BackupBucketSchedulerConfiguration defines the configuration of the BackupBucket to Seed
// scheduler.
type BackupBucketSchedulerConfiguration struct {
// ConcurrentSyncs is the number of workers used for the controller to work on
// events.
ConcurrentSyncs int
}
// BackupEntrySchedulerConfiguration defines the configuration of the BackupEntry to Seed
// scheduler.
type BackupEntrySchedulerConfiguration struct {
// ConcurrentSyncs is the number of workers used for the controller to work on
// events.
ConcurrentSyncs int
// RetrySyncPeriod is the duration how fast BackupEntries with an errornous operation are
// re-added to the queue so that the operation can be retried. Defaults to 15s.
// +optional
RetrySyncPeriod metav1.Duration
}
// ShootSchedulerConfiguration defines the configuration of the Shoot to Seed
// scheduler.
type ShootSchedulerConfiguration struct {
// ConcurrentSyncs is the number of workers used for the controller to work on
// events.
ConcurrentSyncs int
// Strategy defines how seeds for shoots, that do not specify a seed explicitly, are being determined
Strategy CandidateDeterminationStrategy
}
// ServerConfiguration contains details for the HTTP(S) servers.
type ServerConfiguration struct {
// HealthProbes is the configuration for serving the healthz and readyz endpoints.
HealthProbes *Server
// Metrics is the configuration for serving the metrics endpoint.
Metrics *Server
}
// Server contains information for HTTP(S) server configuration.
type Server struct {
// BindAddress is the IP address on which to listen for the specified port.
BindAddress string
// Port is the port on which to serve unsecured, unauthenticated access.
Port int
}