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interfaces.go
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/
interfaces.go
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// Copyright (c) 2020 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package component
import (
"context"
"github.com/gardener/gardener/pkg/apis/core/v1alpha1"
)
// Deployer is used to control the life-cycle of a component.
type Deployer interface {
// Deploy a component.
Deploy(ctx context.Context) error
// Destroy already deployed component.
Destroy(ctx context.Context) error
}
// Waiter waits for life-cycle operations of a component to finish.
type Waiter interface {
// Wait for deployment to finish and component to report ready.
Wait(ctx context.Context) error
// WaitCleanup for destruction to finish and component to be fully removed.
WaitCleanup(ctx context.Context) error
}
// Migrator is used to control the control-plane migration operations of a component.
type Migrator interface {
Restore(ctx context.Context, shootState *v1alpha1.ShootState) error
Migrate(ctx context.Context) error
}
// MigrateWaiter waits for the control-plane migration operations of a component to finish.
type MigrateWaiter interface {
WaitMigrate(ctx context.Context) error
}
// MonitoringComponent exposes configuration for Prometheus as well as the AlertManager.
type MonitoringComponent interface {
// ScrapeConfigs returns the scrape configurations for Prometheus.
ScrapeConfigs() ([]string, error)
// AlertingRules returns the alerting rules configs for AlertManager (mapping file name to rule config).
AlertingRules() (map[string]string, error)
}
// CentralMonitoringConfiguration is a function alias for returning configuration for the central monitoring.
type CentralMonitoringConfiguration func() (CentralMonitoringConfig, error)
// CentralLoggingConfiguration is a function alias for returning configuration for the central logging.
type CentralLoggingConfiguration func() (CentralLoggingConfig, error)
// DeployWaiter controls and waits for life-cycle operations of a component.
type DeployWaiter interface {
Deployer
Waiter
}
// DeployMigrateWaiter controls and waits for the life-cycle and control-plane migration operations of a component.
type DeployMigrateWaiter interface {
Deployer
Migrator
MigrateWaiter
Waiter
}