kops/upup/pkg/fi/cloudup/alitasks/launchconfiguration.go

273 lines
8.8 KiB
Go

/*
Copyright 2018 The Kubernetes Authors.
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 alitasks
import (
"encoding/base64"
"encoding/json"
"fmt"
"strconv"
"github.com/denverdino/aliyungo/common"
"github.com/denverdino/aliyungo/ess"
"github.com/golang/glog"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/cloudup/aliup"
"k8s.io/kops/upup/pkg/fi/cloudup/terraform"
)
//go:generate fitask -type=LaunchConfiguration
type LaunchConfiguration struct {
Lifecycle *fi.Lifecycle
Name *string
ConfigurationId *string
ImageId *string
InstanceType *string
SystemDiskSize *int
SystemDiskCategory *string
RAMRole *RAMRole
ScalingGroup *ScalingGroup
SSHKey *SSHKey
UserData *fi.ResourceHolder
SecurityGroup *SecurityGroup
Tags map[string]string
}
var _ fi.CompareWithID = &LaunchConfiguration{}
func (l *LaunchConfiguration) CompareWithID() *string {
return l.ConfigurationId
}
func (l *LaunchConfiguration) Find(c *fi.Context) (*LaunchConfiguration, error) {
if l.ScalingGroup == nil || l.ScalingGroup.ScalingGroupId == nil {
glog.V(4).Infof("ScalingGroup / ScalingGroupId not found for %s, skipping Find", fi.StringValue(l.Name))
return nil, nil
}
cloud := c.Cloud.(aliup.ALICloud)
describeScalingConfigurationsArgs := &ess.DescribeScalingConfigurationsArgs{
RegionId: common.Region(cloud.Region()),
ScalingConfigurationName: common.FlattenArray{fi.StringValue(l.Name)},
ScalingGroupId: fi.StringValue(l.ScalingGroup.ScalingGroupId),
}
if l.ScalingGroup != nil && l.ScalingGroup.ScalingGroupId != nil {
describeScalingConfigurationsArgs.ScalingGroupId = fi.StringValue(l.ScalingGroup.ScalingGroupId)
}
configList, _, err := cloud.EssClient().DescribeScalingConfigurations(describeScalingConfigurationsArgs)
if err != nil {
return nil, fmt.Errorf("error finding ScalingConfigurations: %v", err)
}
// Don't exist ScalingConfigurations with specified Name.
if len(configList) == 0 {
return nil, nil
}
if len(configList) > 1 {
glog.V(4).Info("The number of specified ScalingConfigurations with the same name and ScalingGroupId exceeds 1, diskName:%q", *l.Name)
}
glog.V(2).Infof("found matching LaunchConfiguration: %q", *l.Name)
actual := &LaunchConfiguration{}
actual.ImageId = fi.String(configList[0].ImageId)
actual.InstanceType = fi.String(configList[0].InstanceType)
actual.SystemDiskCategory = fi.String(string(configList[0].SystemDiskCategory))
actual.ConfigurationId = fi.String(configList[0].ScalingConfigurationId)
actual.Name = fi.String(configList[0].ScalingConfigurationName)
if configList[0].KeyPairName != "" {
actual.SSHKey = &SSHKey{
Name: fi.String(configList[0].KeyPairName),
}
}
if configList[0].RamRoleName != "" {
actual.RAMRole = &RAMRole{
Name: fi.String(configList[0].RamRoleName),
}
}
if configList[0].UserData != "" {
userData, err := base64.StdEncoding.DecodeString(configList[0].UserData)
if err != nil {
return nil, fmt.Errorf("error decoding UserData: %v", err)
}
actual.UserData = fi.WrapResource(fi.NewStringResource(string(userData)))
}
actual.ScalingGroup = &ScalingGroup{
ScalingGroupId: fi.String(configList[0].ScalingGroupId),
}
actual.SecurityGroup = &SecurityGroup{
SecurityGroupId: fi.String(configList[0].SecurityGroupId),
}
if len(configList[0].Tags.Tag) != 0 {
for _, tag := range configList[0].Tags.Tag {
actual.Tags[tag.Key] = tag.Value
}
}
// Ignore "system" fields
actual.Lifecycle = l.Lifecycle
return actual, nil
}
func (l *LaunchConfiguration) Run(c *fi.Context) error {
c.Cloud.(aliup.ALICloud).AddClusterTags(l.Tags)
return fi.DefaultDeltaRunMethod(l, c)
}
func (_ *LaunchConfiguration) CheckChanges(a, e, changes *LaunchConfiguration) error {
//Configuration can not be modified, we need to create a new one
if e.Name == nil {
return fi.RequiredField("Name")
}
if e.ImageId == nil {
return fi.RequiredField("ImageId")
}
if e.InstanceType == nil {
return fi.RequiredField("InstanceType")
}
return nil
}
func (_ *LaunchConfiguration) RenderALI(t *aliup.ALIAPITarget, a, e, changes *LaunchConfiguration) error {
glog.V(2).Infof("Creating LaunchConfiguration for ScalingGroup:%q", fi.StringValue(e.ScalingGroup.ScalingGroupId))
createScalingConfiguration := &ess.CreateScalingConfigurationArgs{
ScalingGroupId: fi.StringValue(e.ScalingGroup.ScalingGroupId),
ImageId: fi.StringValue(e.ImageId),
InstanceType: fi.StringValue(e.InstanceType),
SecurityGroupId: fi.StringValue(e.SecurityGroup.SecurityGroupId),
SystemDisk_Size: common.UnderlineString(strconv.Itoa(fi.IntValue(e.SystemDiskSize))),
SystemDisk_Category: common.UnderlineString(fi.StringValue(e.SystemDiskCategory)),
}
if e.RAMRole != nil && e.RAMRole.Name != nil {
createScalingConfiguration.RamRoleName = fi.StringValue(e.RAMRole.Name)
}
if e.UserData != nil {
userData, err := e.UserData.AsString()
if err != nil {
return fmt.Errorf("error rendering ScalingLaunchConfiguration UserData: %v", err)
}
createScalingConfiguration.UserData = userData
}
if e.SSHKey != nil && e.SSHKey.Name != nil {
createScalingConfiguration.KeyPairName = fi.StringValue(e.SSHKey.Name)
}
if e.Tags != nil {
tagItem, err := json.Marshal(e.Tags)
if err != nil {
return fmt.Errorf("error rendering ScalingLaunchConfiguration Tags: %v", err)
}
createScalingConfiguration.Tags = string(tagItem)
}
createScalingConfigurationResponse, err := t.Cloud.EssClient().CreateScalingConfiguration(createScalingConfiguration)
if err != nil {
return fmt.Errorf("error creating scalingConfiguration: %v", err)
}
e.ConfigurationId = fi.String(createScalingConfigurationResponse.ScalingConfigurationId)
// Disable ScalingGroup, used to bind scalingConfig, we should excute EnableScalingGroup in the task LaunchConfiguration
// If the ScalingGroup is active, we can not excute EnableScalingGroup.
if e.ScalingGroup.Active != nil && fi.BoolValue(e.ScalingGroup.Active) {
glog.V(2).Infof("Disabling LoadBalancer with id:%q", fi.StringValue(e.ScalingGroup.ScalingGroupId))
disableScalingGroupArgs := &ess.DisableScalingGroupArgs{
ScalingGroupId: fi.StringValue(e.ScalingGroup.ScalingGroupId),
}
_, err := t.Cloud.EssClient().DisableScalingGroup(disableScalingGroupArgs)
if err != nil {
return fmt.Errorf("error disabling scalingGroup: %v", err)
}
}
//Enable this configuration
enableScalingGroupArgs := &ess.EnableScalingGroupArgs{
ScalingGroupId: fi.StringValue(e.ScalingGroup.ScalingGroupId),
ActiveScalingConfigurationId: fi.StringValue(e.ConfigurationId),
}
glog.V(2).Infof("Enabling new LaunchConfiguration of LoadBalancer with id:%q", fi.StringValue(e.ScalingGroup.ScalingGroupId))
_, err = t.Cloud.EssClient().EnableScalingGroup(enableScalingGroupArgs)
if err != nil {
return fmt.Errorf("error enabling scalingGroup: %v", err)
}
return nil
}
type terraformLaunchConfiguration struct {
ImageID *string `json:"image_id ,omitempty"`
InstanceType *string `json:"instance_type,omitempty"`
SystemDiskCategory *string `json:"system_disk_category,omitempty"`
UserData *string `json:"user_data,omitempty"`
RAMRole *terraform.Literal `json:"role_name,omitempty"`
ScalingGroup *terraform.Literal `json:"scaling_group_id,omitempty"`
SSHKey *terraform.Literal `json:"key_name,omitempty"`
SecurityGroup *terraform.Literal `json:"security_group_id,omitempty"`
}
func (_ *LaunchConfiguration) RenderTerraform(t *terraform.TerraformTarget, a, e, changes *LaunchConfiguration) error {
data, err := e.UserData.AsBytes()
if err != nil {
return fmt.Errorf("error rendering ScalingLaunchConfiguration UserData: %v", err)
}
userData := base64.StdEncoding.EncodeToString(data)
tf := &terraformLaunchConfiguration{
ImageID: e.ImageId,
InstanceType: e.InstanceType,
SystemDiskCategory: e.SystemDiskCategory,
UserData: &userData,
RAMRole: e.RAMRole.TerraformLink(),
ScalingGroup: e.ScalingGroup.TerraformLink(),
SSHKey: e.SSHKey.TerraformLink(),
SecurityGroup: e.SecurityGroup.TerraformLink(),
}
return t.RenderResource("alicloud_ess_scaling_configuration", *e.Name, tf)
}
func (l *LaunchConfiguration) TerraformLink() *terraform.Literal {
return terraform.LiteralProperty("alicloud_ess_scaling_configuration", *l.Name, "id")
}