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bucket_qos.go
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bucket_qos.go
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package lib
import (
"encoding/xml"
"fmt"
"io/ioutil"
"os"
"strings"
oss "github.com/aliyun/aliyun-oss-go-sdk/oss"
)
var specChineseBucketQos = SpecText{
synopsisText: "设置、查询或者删除bucket的qos配置",
paramText: "bucket_url [local_xml_file] [options]",
syntaxText: `
ossutil bucket-qos --method put oss://bucket local_xml_file [options]
ossutil bucket-qos --method get oss://bucket [local_file] [options]
ossuitl bucket-qos --method delete oss://bucket [options]
`,
detailHelpText: `
bucket-qos命令通过设置method选项值为put、get、delete,可以设置、查询或者删除bucket的qos配置
用法:
该命令有三种用法:
1) ossutil bucket-qos --method put oss://bucket local_xml_file [options]
这个命令从配置文件local_xml_file中读取qos配置,然后设置bucket的qos规则
配置文件是一个xml格式的文件,举例如下
<?xml version="1.0" encoding="UTF-8"?>
<QoSConfiguration>
<TotalUploadBandwidth>10</TotalUploadBandwidth>
<IntranetUploadBandwidth>-1</IntranetUploadBandwidth>
<ExtranetUploadBandwidth>-1</ExtranetUploadBandwidth>
<TotalDownloadBandwidth>10</TotalDownloadBandwidth>
<IntranetDownloadBandwidth>-1</IntranetDownloadBandwidth>
<ExtranetDownloadBandwidth>-1</ExtranetDownloadBandwidth>
<TotalQps>1000</TotalQps>
<IntranetQps>-1</IntranetQps>
<ExtranetQps>-1</ExtranetQps>
</QoSConfiguration>
2) ossutil bucket-qos --method get oss://bucket [local_xml_file] [options]
这个命令查询bucket的qos配置,如果输入参数local_xml_file,qos配置将输出到该文件,否则输出到屏幕上
3) ossutil bucket-qos --method delete oss://bucket [options]
这个命令删除bucket的qos配置
`,
sampleText: `
1) 设置bucket的qos配置
ossutil bucket-qos --method put oss://bucket local_xml_file
2) 查询bucket的qos配置,结果输出到标准输出
ossutil bucket-qos --method get oss://bucket
3) 查询bucket的qos配置,结果输出到本地文件
ossutil bucket-qos --method get oss://bucket local_xml_file
4) 删除bucket的qos配置
ossutil bucket-qos --method delete oss://bucket
`,
}
var specEnglishBucketQos = SpecText{
synopsisText: "Set, get or delete bucket qos configuration",
paramText: "bucket_url [local_xml_file] [options]",
syntaxText: `
ossutil bucket-qos --method put oss://bucket local_xml_file [options]
ossutil bucket-qos --method get oss://bucket [local_xml_file] [options]
ossuitl bucket-qos --method delete oss://bucket [options]
`,
detailHelpText: `
bucket-qos command can set, get and delete the qos configuration of the oss bucket by
set method option value to put, get, delete
Usage:
There are three usages for this command:
1) ossutil bucket-qos --method put oss://bucket local_xml_file [options]
The command sets the qos configuration of bucket from local file local_xml_file
the local_xml_file is xml format,for example
<?xml version="1.0" encoding="UTF-8"?>
<QoSConfiguration>
<TotalUploadBandwidth>10</TotalUploadBandwidth>
<IntranetUploadBandwidth>-1</IntranetUploadBandwidth>
<ExtranetUploadBandwidth>-1</ExtranetUploadBandwidth>
<TotalDownloadBandwidth>10</TotalDownloadBandwidth>
<IntranetDownloadBandwidth>-1</IntranetDownloadBandwidth>
<ExtranetDownloadBandwidth>-1</ExtranetDownloadBandwidth>
<TotalQps>1000</TotalQps>
<IntranetQps>-1</IntranetQps>
<ExtranetQps>-1</ExtranetQps>
</QoSConfiguration>
2) ossutil bucket-qos --method get oss://bucket [local_xml_file] [options]
The command gets the qos configuration of bucket
If you input parameter local_xml_file,the configuration will be output to local_xml_file
If you don't input parameter local_xml_file,the configuration will be output to stdout
3) ossutil bucket-qos --method delete oss://bucket [options]
The command deletes the qos configuration of bucket
`,
sampleText: `
1) put bucket qos
ossutil bucket-qos --method put oss://bucket local_xml_file
2) get bucket qos configuration to stdout
ossutil bucket-qos --method get oss://bucket
3) get bucket qos configuration to local file
ossutil bucket-qos --method get oss://bucket local_xml_file
4) delete bucket qos configuration
ossutil bucket-qos --method delete oss://bucket
`,
}
type bucketQosOptionType struct {
bucketName string
}
type BucketQosCommand struct {
command Command
bqOption bucketQosOptionType
}
var bucketQosCommand = BucketQosCommand{
command: Command{
name: "bucket-qos",
nameAlias: []string{"bucket-qos"},
minArgc: 1,
maxArgc: 2,
specChinese: specChineseBucketQos,
specEnglish: specEnglishBucketQos,
group: GroupTypeNormalCommand,
validOptionNames: []string{
OptionConfigFile,
OptionEndpoint,
OptionAccessKeyID,
OptionAccessKeySecret,
OptionSTSToken,
OptionProxyHost,
OptionProxyUser,
OptionProxyPwd,
OptionLogLevel,
OptionMethod,
OptionPassword,
OptionMode,
OptionECSRoleName,
OptionTokenTimeout,
OptionRamRoleArn,
OptionRoleSessionName,
OptionReadTimeout,
OptionConnectTimeout,
OptionSTSRegion,
OptionSkipVerfiyCert,
OptionUserAgent,
},
},
}
// function for FormatHelper interface
func (bqc *BucketQosCommand) formatHelpForWhole() string {
return bqc.command.formatHelpForWhole()
}
func (bqc *BucketQosCommand) formatIndependHelp() string {
return bqc.command.formatIndependHelp()
}
// Init simulate inheritance, and polymorphism
func (bqc *BucketQosCommand) Init(args []string, options OptionMapType) error {
return bqc.command.Init(args, options, bqc)
}
// RunCommand simulate inheritance, and polymorphism
func (bqc *BucketQosCommand) RunCommand() error {
strMethod, _ := GetString(OptionMethod, bqc.command.options)
if strMethod == "" {
return fmt.Errorf("--method value is empty")
}
strMethod = strings.ToLower(strMethod)
if strMethod != "put" && strMethod != "get" && strMethod != "delete" {
return fmt.Errorf("--method value is not in the optional value:put|get|delete")
}
srcBucketUrL, err := GetCloudUrl(bqc.command.args[0], "")
if err != nil {
return err
}
bqc.bqOption.bucketName = srcBucketUrL.bucket
if strMethod == "put" {
err = bqc.PutBucketQos()
} else if strMethod == "get" {
err = bqc.GetBucketQos()
} else if strMethod == "delete" {
err = bqc.DeleteBucketQos()
}
return err
}
func (bqc *BucketQosCommand) PutBucketQos() error {
if len(bqc.command.args) < 2 {
return fmt.Errorf("put bucket qos need at least 2 parameters,the local xml file is empty")
}
xmlFile := bqc.command.args[1]
fileInfo, err := os.Stat(xmlFile)
if err != nil {
return err
}
if fileInfo.IsDir() {
return fmt.Errorf("%s is dir,not the expected file", xmlFile)
}
if fileInfo.Size() == 0 {
return fmt.Errorf("%s is empty file", xmlFile)
}
// parsing the xml file
file, err := os.Open(xmlFile)
if err != nil {
return err
}
defer file.Close()
text, err := ioutil.ReadAll(file)
if err != nil {
return err
}
qosConfig := oss.BucketQoSConfiguration{}
err = xml.Unmarshal(text, &qosConfig)
if err != nil {
return err
}
// put bucket qos
client, err := bqc.command.ossClient(bqc.bqOption.bucketName)
if err != nil {
return err
}
return client.SetBucketQoSInfo(bqc.bqOption.bucketName, qosConfig)
}
func (bqc *BucketQosCommand) confirm(str string) bool {
var val string
fmt.Printf(getClearStr(fmt.Sprintf("bucket qos: overwrite \"%s\"(y or N)? ", str)))
if _, err := fmt.Scanln(&val); err != nil || (strings.ToLower(val) != "yes" && strings.ToLower(val) != "y") {
return false
}
return true
}
func (bqc *BucketQosCommand) GetBucketQos() error {
client, err := bqc.command.ossClient(bqc.bqOption.bucketName)
if err != nil {
return err
}
qosRes, err := client.GetBucketQosInfo(bqc.bqOption.bucketName)
if err != nil {
return err
}
output, err := xml.MarshalIndent(qosRes, " ", " ")
if err != nil {
return err
}
var outFile *os.File
if len(bqc.command.args) >= 2 {
fileName := bqc.command.args[1]
_, err = os.Stat(fileName)
if err == nil {
bConitnue := bqc.confirm(fileName)
if !bConitnue {
return nil
}
}
outFile, err = os.OpenFile(fileName, os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0660)
if err != nil {
return err
}
defer outFile.Close()
} else {
outFile = os.Stdout
}
outFile.Write([]byte(xml.Header))
outFile.Write(output)
fmt.Printf("\n\n")
return nil
}
func (bqc *BucketQosCommand) DeleteBucketQos() error {
// delete bucket qos
client, err := bqc.command.ossClient(bqc.bqOption.bucketName)
if err != nil {
return err
}
return client.DeleteBucketQosInfo(bqc.bqOption.bucketName)
}