mirror of https://github.com/kubernetes/kops.git
142 lines
3.7 KiB
Go
142 lines
3.7 KiB
Go
/*
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Copyright 2019 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 alimodel
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import (
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"fmt"
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"k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/pkg/model"
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"k8s.io/kops/pkg/model/defaults"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/cloudup/alitasks"
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)
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const DefaultVolumeType = "cloud_ssd"
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const DefaultInstanceType = "ecs.n2.medium"
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// ScalingGroupModelBuilder configures ScalingGroup objects
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type ScalingGroupModelBuilder struct {
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*ALIModelContext
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BootstrapScriptBuilder *model.BootstrapScriptBuilder
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Lifecycle *fi.Lifecycle
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SecurityLifecycle *fi.Lifecycle
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}
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var _ fi.ModelBuilder = &ScalingGroupModelBuilder{}
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func (b *ScalingGroupModelBuilder) Build(c *fi.ModelBuilderContext) error {
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var err error
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for _, ig := range b.InstanceGroups {
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name := b.GetScalingGroupName(ig)
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//Create AutoscalingGroup
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var scalingGroup *alitasks.ScalingGroup
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{
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minSize := 1
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maxSize := 1
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if ig.Spec.MinSize != nil {
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minSize = int(fi.Int32Value(ig.Spec.MinSize))
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} else if ig.Spec.Role == kops.InstanceGroupRoleNode {
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minSize = 2
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}
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if ig.Spec.MaxSize != nil {
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maxSize = int(fi.Int32Value(ig.Spec.MaxSize))
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} else if ig.Spec.Role == kops.InstanceGroupRoleNode {
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maxSize = 2
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}
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scalingGroup = &alitasks.ScalingGroup{
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Name: s(name),
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Lifecycle: b.Lifecycle,
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MinSize: i(minSize),
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MaxSize: i(maxSize),
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}
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subnets, err := b.GatherSubnets(ig)
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if err != nil {
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return err
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}
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if len(subnets) == 0 {
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return fmt.Errorf("could not determine any subnets for InstanceGroup %q; subnets was %s", ig.ObjectMeta.Name, ig.Spec.Subnets)
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}
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for _, subnet := range subnets {
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scalingGroup.VSwitchs = append(scalingGroup.VSwitchs, b.LinkToVSwitch(subnet.Name))
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}
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if ig.Spec.Role == kops.InstanceGroupRoleMaster {
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scalingGroup.LoadBalancer = b.LinkLoadBalancer()
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}
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c.AddTask(scalingGroup)
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}
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// LaunchConfiguration
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var launchConfiguration *alitasks.LaunchConfiguration
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{
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volumeSize := fi.Int32Value(ig.Spec.RootVolumeSize)
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if volumeSize == 0 {
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volumeSize, err = defaults.DefaultInstanceGroupVolumeSize(ig.Spec.Role)
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if err != nil {
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return err
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}
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}
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volumeType := fi.StringValue(ig.Spec.RootVolumeType)
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if volumeType == "" {
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volumeType = DefaultVolumeType
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}
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instanceType := ig.Spec.MachineType
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if instanceType == "" {
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instanceType = DefaultInstanceType
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}
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tags, err := b.CloudTagsForInstanceGroup(ig)
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if err != nil {
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return fmt.Errorf("error building cloud tags: %v", err)
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}
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launchConfiguration = &alitasks.LaunchConfiguration{
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Name: s(name),
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Lifecycle: b.Lifecycle,
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ScalingGroup: b.LinkToScalingGroup(ig),
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SecurityGroup: b.LinkToSecurityGroup(ig.Spec.Role),
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RAMRole: b.LinkToRAMRole(ig.Spec.Role),
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ImageID: s(ig.Spec.Image),
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InstanceType: s(instanceType),
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SystemDiskSize: i(int(volumeSize)),
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SystemDiskCategory: s(volumeType),
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Tags: tags,
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}
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if err != nil {
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return err
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}
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launchConfiguration.SSHKey = b.LinkToSSHKey()
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if launchConfiguration.UserData, err = b.BootstrapScriptBuilder.ResourceNodeUp(c, ig); err != nil {
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return err
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}
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}
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c.AddTask(launchConfiguration)
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}
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return nil
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}
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