vm/vm.go

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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 vm

import (
	"csbench/config"
	"csbench/utils"
	"encoding/json"
	"fmt"
	"log"

	"github.com/apache/cloudstack-go/v2/cloudstack"
)

func ListVMs(cs *cloudstack.CloudStackClient, domainId string) ([]*cloudstack.VirtualMachine, error) {
	p := cs.VirtualMachine.NewListVirtualMachinesParams()
	p.SetDomainid(domainId)
	p.SetPage(1)
	p.SetPagesize(config.PageSize)
	resp, err := cs.VirtualMachine.ListVirtualMachines(p)
	if err != nil {
		log.Printf("Failed to list vm due to %v", err)
		return nil, err
	}
	return resp.VirtualMachines, nil
}

func DeployVm(cs *cloudstack.CloudStackClient, domainId string, networkId string, account string) (*cloudstack.DeployVirtualMachineResponse, error) {
	vmName := "Vm-" + utils.RandomString(10)
	p := cs.VirtualMachine.NewDeployVirtualMachineParams(config.ServiceOfferingId, config.TemplateId, vmName)
	p.SetDomainid(domainId)
	p.SetZoneid(config.ZoneId)
	p.SetNetworkids([]string{networkId})
	p.SetName(vmName)
	p.SetAccount(account)

	resp, err := cs.VirtualMachine.DeployVirtualMachine(p)
	if err != nil {
		log.Printf("Failed to deploy vm due to: %v", err)
		return nil, err
	}
	return resp, nil
}

func DestroyVm(cs *cloudstack.CloudStackClient, vmId string) {

	deleteParams := cs.VirtualMachine.NewDestroyVirtualMachineParams(vmId)
	deleteParams.SetExpunge(true)
	delResp, err := cs.VirtualMachine.DestroyVirtualMachine(deleteParams)
	if err != nil {
		log.Printf("Failed to destroy Vm with Id %s due to %v", vmId, err)
	}
	r, err := parseResponse(delResp)
	if err != nil {
		log.Printf("Failed to parse destroy vm response due to %v", err)
		return
	}
	fmt.Printf("Destroy Vm response: %v\n\n", string(r))
}

func parseResponse(resp interface{}) ([]byte, error) {
	b, err := json.MarshalIndent(resp, "", "    ")
	if err != nil {
		log.Printf("%v", err)
		return nil, err
	}
	return b, nil
}