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options.go
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options.go
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// Copyright 2021 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 service
import (
"github.com/spf13/pflag"
"github.com/gardener/gardener/extensions/pkg/controller/cmd"
)
// ControllerOptions are command line options that can be set for controller.Options.
type ControllerOptions struct {
// MaxConcurrentReconciles are the maximum concurrent reconciles.
MaxConcurrentReconciles int
// HostIP is the host ip.
HostIP string
// Zone0IP is the IP address to be used for the zone 0 istio ingress gateway.
Zone0IP string
// Zone1IP is the IP address to be used for the zone 1 istio ingress gateway.
Zone1IP string
// Zone2IP is the IP address to be used for the zone 2 istio ingress gateway.
Zone2IP string
config *ControllerConfig
}
// AddFlags implements Flagger.AddFlags.
func (c *ControllerOptions) AddFlags(fs *pflag.FlagSet) {
fs.IntVar(&c.MaxConcurrentReconciles, cmd.MaxConcurrentReconcilesFlag, c.MaxConcurrentReconciles, "The maximum number of concurrent reconciliations.")
fs.StringVar(&c.HostIP, "host-ip", c.HostIP, "Overwrite Host IP to use for kube-apiserver service LoadBalancer")
fs.StringVar(&c.Zone0IP, "zone-0-ip", c.Zone0IP, "Overwrite IP to use for kube-apiserver service LoadBalancer in zone 0")
fs.StringVar(&c.Zone1IP, "zone-1-ip", c.Zone1IP, "Overwrite IP to use for kube-apiserver service LoadBalancer in zone 1")
fs.StringVar(&c.Zone2IP, "zone-2-ip", c.Zone2IP, "Overwrite IP to use for kube-apiserver service LoadBalancer in zone 2")
}
// Complete implements Completer.Complete.
func (c *ControllerOptions) Complete() error {
c.config = &ControllerConfig{c.MaxConcurrentReconciles, c.HostIP, c.Zone0IP, c.Zone1IP, c.Zone2IP}
return nil
}
// Completed returns the completed ControllerConfig. Only call this if `Complete` was successful.
func (c *ControllerOptions) Completed() *ControllerConfig {
return c.config
}
// ControllerConfig is a completed controller configuration.
type ControllerConfig struct {
// MaxConcurrentReconciles is the maximum number of concurrent reconciles.
MaxConcurrentReconciles int
// HostIP is the host ip.
HostIP string
// Zone0IP is the IP address to be used for the zone 0 istio ingress gateway.
Zone0IP string
// Zone1IP is the IP address to be used for the zone 1 istio ingress gateway.
Zone1IP string
// Zone2IP is the IP address to be used for the zone 2 istio ingress gateway.
Zone2IP string
}
// Apply sets the values of this ControllerConfig in the given AddOptions.
func (c *ControllerConfig) Apply(opts *AddOptions) {
opts.Controller.MaxConcurrentReconciles = c.MaxConcurrentReconciles
opts.HostIP = c.HostIP
opts.Zone0IP = c.Zone0IP
opts.Zone1IP = c.Zone1IP
opts.Zone2IP = c.Zone2IP
}