3e0493a1c5
Validate clusterRole when adding a cluster Co-authored-by: Xinzhao Xu <z2d@jifangcheng.com>
117 lines
4.5 KiB
Go
117 lines
4.5 KiB
Go
/*
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Copyright 2020 KubeSphere 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 multicluster
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import (
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"errors"
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"time"
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"github.com/spf13/pflag"
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"k8s.io/apimachinery/pkg/util/validation"
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)
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const (
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DefaultResyncPeriod = 120 * time.Second
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DefaultHostClusterName = "host"
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ClusterRoleHost = "host"
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ClusterRoleMember = "member"
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)
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type Options struct {
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// Enable
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// Deprecated: this field will be removed in the future version, use ClusterRole instead.
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Enable bool `json:"enable" yaml:"enable"`
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// ProxyPublishService is the service name of multicluster component tower.
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// If this field provided, apiserver going to use the ingress.ip of this service.
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// This field will be used when generating agent deployment yaml for joining clusters.
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ProxyPublishService string `json:"proxyPublishService,omitempty" yaml:"proxyPublishService,omitempty"`
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// ProxyPublishAddress is the public address of tower for all cluster agents.
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// This field takes precedence over field ProxyPublishService.
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// If both field ProxyPublishService and ProxyPublishAddress are empty, apiserver will
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// return 404 Not Found for all cluster agent yaml requests.
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ProxyPublishAddress string `json:"proxyPublishAddress,omitempty" yaml:"proxyPublishAddress,omitempty"`
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// AgentImage is the image used when generating deployment for all cluster agents.
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AgentImage string `json:"agentImage,omitempty" yaml:"agentImage,omitempty"`
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// ClusterControllerResyncPeriod is the resync period used by cluster controller.
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ClusterControllerResyncPeriod time.Duration `json:"clusterControllerResyncPeriod,omitempty" yaml:"clusterControllerResyncPeriod,omitempty"`
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// HostClusterName is the name of the control plane cluster, default set to host.
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HostClusterName string `json:"hostClusterName,omitempty" yaml:"hostClusterName,omitempty"`
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// ClusterName is the name of the current cluster,
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// this value will be set by the cluster-controller and stored in the kubesphere-config configmap.
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ClusterName string `json:"clusterName,omitempty" yaml:"clusterName,omitempty"`
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// ClusterRole is the role of the current cluster,
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// available values: host, member.
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ClusterRole string `json:"clusterRole,omitempty" yaml:"clusterRole,omitempty"`
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}
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// NewOptions returns a default nil options
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func NewOptions() *Options {
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return &Options{
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Enable: false,
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ProxyPublishAddress: "",
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ProxyPublishService: "",
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AgentImage: "kubesphere/tower:v1.0",
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ClusterControllerResyncPeriod: DefaultResyncPeriod,
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HostClusterName: DefaultHostClusterName,
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}
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}
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func (o *Options) Validate() []error {
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var err []error
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res := validation.IsQualifiedName(o.HostClusterName)
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if len(res) == 0 {
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return err
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}
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err = append(err, errors.New("failed to create the host cluster because of invalid cluster name"))
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for _, str := range res {
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err = append(err, errors.New(str))
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}
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return err
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}
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func (o *Options) AddFlags(fs *pflag.FlagSet, s *Options) {
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fs.BoolVar(&o.Enable, "multiple-clusters", s.Enable, ""+
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"This field instructs KubeSphere to enter multiple-cluster mode or not.")
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fs.StringVar(&o.ProxyPublishService, "proxy-publish-service", s.ProxyPublishService, ""+
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"Service name of tower. APIServer will use its ingress address as proxy publish address."+
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"For example, tower.kubesphere-system.svc.")
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fs.StringVar(&o.ProxyPublishAddress, "proxy-publish-address", s.ProxyPublishAddress, ""+
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"Public address of tower, APIServer will use this field as proxy publish address. This field "+
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"takes precedence over field proxy-publish-service. For example, http://139.198.121.121:8080.")
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fs.StringVar(&o.AgentImage, "agent-image", s.AgentImage, ""+
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"This field is used when generating deployment yaml for agent.")
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fs.DurationVar(&o.ClusterControllerResyncPeriod, "cluster-controller-resync-period", s.ClusterControllerResyncPeriod,
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"Cluster controller resync period to sync cluster resource. e.g. 2m 5m 10m ... default set to 2m")
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fs.StringVar(&o.HostClusterName, "host-cluster-name", s.HostClusterName, "the name of the control plane"+
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" cluster, default set to host")
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}
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