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service_alicloud_ecs.go
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service_alicloud_ecs.go
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package alicloud
import (
"encoding/json"
"fmt"
"github.com/denverdino/aliyungo/common"
"github.com/denverdino/aliyungo/ecs"
"strings"
)
func (client *AliyunClient) DescribeImage(imageId string) (*ecs.ImageType, error) {
pagination := common.Pagination{
PageNumber: 1,
}
args := ecs.DescribeImagesArgs{
Pagination: pagination,
RegionId: client.Region,
Status: ecs.ImageStatusAvailable,
}
var allImages []ecs.ImageType
for {
images, _, err := client.ecsconn.DescribeImages(&args)
if err != nil {
break
}
if len(images) == 0 {
break
}
allImages = append(allImages, images...)
args.Pagination.PageNumber++
}
if len(allImages) == 0 {
return nil, common.GetClientErrorFromString("Not found")
}
var image *ecs.ImageType
imageIds := []string{}
for _, im := range allImages {
if im.ImageId == imageId {
image = &im
}
imageIds = append(imageIds, im.ImageId)
}
if image == nil {
return nil, fmt.Errorf("image_id %s not exists in range %s, all images are %s", imageId, client.Region, imageIds)
}
return image, nil
}
// DescribeZone validate zoneId is valid in region
func (client *AliyunClient) DescribeZone(zoneID string) (*ecs.ZoneType, error) {
zones, err := client.ecsconn.DescribeZones(client.Region)
if err != nil {
return nil, fmt.Errorf("error to list zones not found")
}
var zone *ecs.ZoneType
zoneIds := []string{}
for _, z := range zones {
if z.ZoneId == zoneID {
zone = &ecs.ZoneType{
ZoneId: z.ZoneId,
LocalName: z.LocalName,
AvailableResourceCreation: z.AvailableResourceCreation,
AvailableDiskCategories: z.AvailableDiskCategories,
}
}
zoneIds = append(zoneIds, z.ZoneId)
}
if zone == nil {
return nil, fmt.Errorf("availability_zone not exists in range %s, all zones are %s", client.Region, zoneIds)
}
return zone, nil
}
func (client *AliyunClient) QueryInstancesByIds(ids []string) (instances []ecs.InstanceAttributesType, err error) {
idsStr, jerr := json.Marshal(ids)
if jerr != nil {
return nil, jerr
}
args := ecs.DescribeInstancesArgs{
RegionId: client.Region,
InstanceIds: string(idsStr),
}
instances, _, errs := client.ecsconn.DescribeInstances(&args)
if errs != nil {
return nil, errs
}
return instances, nil
}
func (client *AliyunClient) QueryInstancesById(id string) (instance *ecs.InstanceAttributesType, err error) {
ids := []string{id}
instances, errs := client.QueryInstancesByIds(ids)
if errs != nil {
return nil, errs
}
if len(instances) == 0 {
return nil, common.GetClientErrorFromString(InstanceNotfound)
}
return &instances[0], nil
}
// ResourceAvailable check resource available for zone
func (client *AliyunClient) ResourceAvailable(zone *ecs.ZoneType, resourceType ecs.ResourceType) error {
available := false
for _, res := range zone.AvailableResourceCreation.ResourceTypes {
if res == resourceType {
available = true
}
}
if !available {
return fmt.Errorf("%s is not available in %s zone of %s region", resourceType, zone.ZoneId, client.Region)
}
return nil
}
func (client *AliyunClient) DiskAvailable(zone *ecs.ZoneType, diskCategory ecs.DiskCategory) error {
available := false
for _, dist := range zone.AvailableDiskCategories.DiskCategories {
if dist == diskCategory {
available = true
}
}
if !available {
return fmt.Errorf("%s is not available in %s zone of %s region", diskCategory, zone.ZoneId, client.Region)
}
return nil
}
// todo: support syc
func (client *AliyunClient) JoinSecurityGroups(instanceId string, securityGroupIds []string) error {
for _, sid := range securityGroupIds {
err := client.ecsconn.JoinSecurityGroup(instanceId, sid)
if err != nil {
e, _ := err.(*common.Error)
if e.ErrorResponse.Code != InvalidInstanceIdAlreadyExists {
return err
}
}
}
return nil
}
func (client *AliyunClient) LeaveSecurityGroups(instanceId string, securityGroupIds []string) error {
for _, sid := range securityGroupIds {
err := client.ecsconn.LeaveSecurityGroup(instanceId, sid)
if err != nil {
e, _ := err.(*common.Error)
if e.ErrorResponse.Code != InvalidSecurityGroupIdNotFound {
return err
}
}
}
return nil
}
func (client *AliyunClient) DescribeSecurity(securityGroupId string) (*ecs.DescribeSecurityGroupAttributeResponse, error) {
args := &ecs.DescribeSecurityGroupAttributeArgs{
RegionId: client.Region,
SecurityGroupId: securityGroupId,
}
return client.ecsconn.DescribeSecurityGroupAttribute(args)
}
func (client *AliyunClient) DescribeSecurityGroupRule(securityGroupId, types, ip_protocol, port_range string) (*ecs.PermissionType, error) {
sg, err := client.DescribeSecurity(securityGroupId)
if err != nil {
return nil, err
}
for _, p := range sg.Permissions.Permission {
if strings.ToLower(string(p.IpProtocol)) == ip_protocol && p.PortRange == port_range {
return &p, nil
}
}
return nil, nil
}
func (client *AliyunClient) RevokeSecurityGroup(args *ecs.RevokeSecurityGroupArgs) error {
//todo: handle the specal err
return client.ecsconn.RevokeSecurityGroup(args)
}