796faba4ac
update tests add comment amend var name update comment add check for empty slice fix tests fix mask size in test review feedback add ipv4 and ipv6 flag for mask sizes add to violation exception list remove import alias run update-openapi-spec review feedback run update-bazel review feedback review feedback
78 lines
2.5 KiB
Go
78 lines
2.5 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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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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