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80 lines
2.6 KiB
Go
80 lines
2.6 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package options
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import (
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"fmt"
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"strings"
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"github.com/spf13/pflag"
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nodeipamconfig "k8s.io/kubernetes/pkg/controller/nodeipam/config"
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)
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// NodeIPAMControllerOptions holds the NodeIpamController options.
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type NodeIPAMControllerOptions struct {
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*nodeipamconfig.NodeIPAMControllerConfiguration
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}
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// AddFlags adds flags related to NodeIpamController for controller manager to the specified FlagSet.
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func (o *NodeIPAMControllerOptions) AddFlags(fs *pflag.FlagSet) {
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if o == nil {
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return
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}
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fs.StringVar(&o.ServiceCIDR, "service-cluster-ip-range", o.ServiceCIDR, "CIDR Range for Services in cluster. Requires --allocate-node-cidrs to be true")
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fs.Int32Var(&o.NodeCIDRMaskSize, "node-cidr-mask-size", o.NodeCIDRMaskSize, "Mask size for node cidr in cluster. Default is 24 for IPv4 and 64 for IPv6.")
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fs.Int32Var(&o.NodeCIDRMaskSizeIPv4, "node-cidr-mask-size-ipv4", o.NodeCIDRMaskSizeIPv4, "Mask size for IPv4 node cidr in dual-stack cluster. Default is 24.")
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fs.Int32Var(&o.NodeCIDRMaskSizeIPv6, "node-cidr-mask-size-ipv6", o.NodeCIDRMaskSizeIPv6, "Mask size for IPv6 node cidr in dual-stack cluster. Default is 64.")
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}
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// ApplyTo fills up NodeIpamController config with options.
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func (o *NodeIPAMControllerOptions) ApplyTo(cfg *nodeipamconfig.NodeIPAMControllerConfiguration) error {
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if o == nil {
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return nil
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}
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// split the cidrs list and assign primary and secondary
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serviceCIDRList := strings.Split(o.ServiceCIDR, ",")
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if len(serviceCIDRList) > 0 {
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cfg.ServiceCIDR = serviceCIDRList[0]
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}
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if len(serviceCIDRList) > 1 {
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cfg.SecondaryServiceCIDR = serviceCIDRList[1]
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}
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cfg.NodeCIDRMaskSize = o.NodeCIDRMaskSize
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cfg.NodeCIDRMaskSizeIPv4 = o.NodeCIDRMaskSizeIPv4
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cfg.NodeCIDRMaskSizeIPv6 = o.NodeCIDRMaskSizeIPv6
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return nil
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}
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// Validate checks validation of NodeIPAMControllerOptions.
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func (o *NodeIPAMControllerOptions) Validate() []error {
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if o == nil {
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return nil
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}
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errs := make([]error, 0)
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serviceCIDRList := strings.Split(o.ServiceCIDR, ",")
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if len(serviceCIDRList) > 2 {
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errs = append(errs, fmt.Errorf("--service-cluster-ip-range can not contain more than two entries"))
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}
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return errs
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}
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