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cluster.go
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cluster.go
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/*
* Copyright 2019 gosoon.
*
* 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 create
import (
"errors"
"time"
ecsv1 "github.com/gosoon/kubernetes-operator/pkg/apis/ecs/v1"
"github.com/gosoon/kubernetes-operator/pkg/installer/cluster/constants"
"github.com/gosoon/kubernetes-operator/pkg/installer/cluster/nodes"
internalencoding "github.com/gosoon/kubernetes-operator/pkg/internal/apis/config/encoding"
internaltypes "github.com/gosoon/kubernetes-operator/pkg/internal/cluster/create/types"
)
// ClusterOption is a cluster creation option
type ClusterOption func(*internaltypes.ClusterOptions) (*internaltypes.ClusterOptions, error)
// WithNodeImages is kubernetes version image,image contain kubelet,kubectl,kubeadm binary
func WithNodeImage(cluster *ecsv1.KubernetesCluster) ClusterOption {
return func(o *internaltypes.ClusterOptions) (*internaltypes.ClusterOptions, error) {
o.NodeImage = nodes.ConstructImage(cluster)
return o, nil
}
}
// WithNodeAddressAndRole configures the cluster local IP and role from kubernetescluster config
func WithNodeAddressAndRole(cluster *ecsv1.KubernetesCluster) ClusterOption {
return func(o *internaltypes.ClusterOptions) (*internaltypes.ClusterOptions, error) {
nodeAddress, role := nodes.ConfigNodeAddressAndRole(cluster)
if nodeAddress == "" || role == "" {
return o, errors.New("get nodeAddress and role failed")
}
o.NodeAddress, o.Role = nodeAddress, role
return o, nil
}
}
// WithConfig configures creating the cluster using the config file at path
func WithConfig(cluster *ecsv1.KubernetesCluster) ClusterOption {
return func(o *internaltypes.ClusterOptions) (*internaltypes.ClusterOptions, error) {
o.Config = internalencoding.Ecsv1ToInternalCluster(cluster, o.NodeAddress)
return o, nil
}
}
// WithExternalLoadBalancer configures creating the cluster externalLoadBalancer
// if exist externalLoadBalancer that is a vip or select a controlPlane nodeAddress by install server
func WithExternalLoadBalancer(cluster *ecsv1.KubernetesCluster) ClusterOption {
return func(o *internaltypes.ClusterOptions) (*internaltypes.ClusterOptions, error) {
o.ExternalLoadBalancer = cluster.Spec.Cluster.ExternalLoadBalancer
return o, nil
}
}
// WithKubeConfigPath configures creating the cluster kube config path,default ~/.kube/config-default
func WithKubeConfigPath() ClusterOption {
return func(o *internaltypes.ClusterOptions) (*internaltypes.ClusterOptions, error) {
o.KubeConfigPath = nodes.KubeConfigPath(constants.DefaultClusterName)
return o, nil
}
}
// WaitForReady configures create to use interval as maximum wait time for the control plane node to be ready
func WaitForReady(interval time.Duration) ClusterOption {
return func(o *internaltypes.ClusterOptions) (*internaltypes.ClusterOptions, error) {
o.WaitForReady = interval
return o, nil
}
}