packer-cn/builder/jdcloud/step_validate_parameters.go

111 lines
3.4 KiB
Go

package jdcloud
import (
"context"
"fmt"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
vm "github.com/jdcloud-api/jdcloud-sdk-go/services/vm/apis"
vpc "github.com/jdcloud-api/jdcloud-sdk-go/services/vpc/apis"
)
type stepValidateParameters struct {
InstanceSpecConfig *JDCloudInstanceSpecConfig
ui packer.Ui
state multistep.StateBag
}
func (s *stepValidateParameters) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
s.ui = state.Get("ui").(packer.Ui)
s.state = state
s.ui.Say("Validating parameters...")
if err := s.ValidateSubnetFunc(); err != nil {
s.ui.Error(err.Error())
return multistep.ActionHalt
}
if err := s.ValidateImageFunc(); err != nil {
s.ui.Error(err.Error())
return multistep.ActionHalt
}
return multistep.ActionContinue
}
func (s *stepValidateParameters) ValidateSubnetFunc() error {
subnetId := s.InstanceSpecConfig.SubnetId
if len(subnetId) == 0 {
s.ui.Message("\t 'subnet' is not specified, we will create a new one for you :) ")
return s.CreateRandomSubnet()
}
s.ui.Message("\t validating your subnet:" + s.InstanceSpecConfig.SubnetId)
req := vpc.NewDescribeSubnetRequest(Region, subnetId)
resp, err := VpcClient.DescribeSubnet(req)
if err != nil {
return fmt.Errorf("[ERROR] Failed in validating subnet->%s, reasons:%v", subnetId, err)
}
if resp != nil && resp.Error.Code != FINE {
return fmt.Errorf("[ERROR] Something wrong with your subnet->%s, reasons:%v", subnetId, resp.Error)
}
s.ui.Message("\t subnet found:" + resp.Result.Subnet.SubnetName)
return nil
}
func (s *stepValidateParameters) ValidateImageFunc() error {
s.ui.Message("\t validating your base image:" + s.InstanceSpecConfig.ImageId)
imageId := s.InstanceSpecConfig.ImageId
req := vm.NewDescribeImageRequest(Region, imageId)
resp, err := VmClient.DescribeImage(req)
if err != nil {
return fmt.Errorf("[ERROR] Failed in validating your image->%s, reasons:%v", imageId, err)
}
if resp != nil && resp.Error.Code != FINE {
return fmt.Errorf("[ERROR] Something wrong with your image->%s, reasons:%v", imageId, resp.Error)
}
s.ui.Message("\t image found:" + resp.Result.Image.Name)
s.state.Put("source_image", &resp.Result.Image)
return nil
}
func (s *stepValidateParameters) CreateRandomSubnet() error {
newVpc, err := s.CreateRandomVpc()
if err != nil {
return err
}
req := vpc.NewCreateSubnetRequest(Region, newVpc, "created_by_packer", "192.168.0.0/20")
resp, err := VpcClient.CreateSubnet(req)
if err != nil || resp.Error.Code != FINE {
errorMessage := fmt.Sprintf("[ERROR] Failed in creating new subnet :( \n error:%v \n response:%v", err, resp)
s.ui.Error(errorMessage)
return fmt.Errorf(errorMessage)
}
s.InstanceSpecConfig.SubnetId = resp.Result.SubnetId
s.ui.Message("\t\t Hi, we have created a new subnet for you :) its name is 'created_by_packer' and its id=" + resp.Result.SubnetId)
return nil
}
func (s *stepValidateParameters) CreateRandomVpc() (string, error) {
req := vpc.NewCreateVpcRequest(Region, "created_by_packer")
resp, err := VpcClient.CreateVpc(req)
if err != nil || resp.Error.Code != FINE {
errorMessage := fmt.Sprintf("[ERROR] Failed in creating new vpc :( \n error :%v, \n response:%v", err, resp)
s.ui.Error(errorMessage)
return "", fmt.Errorf(errorMessage)
}
return resp.Result.VpcId, nil
}
func (s *stepValidateParameters) Cleanup(state multistep.StateBag) {}