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bucket_resource_group.go
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bucket_resource_group.go
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package lib
import (
"fmt"
"github.com/aliyun/aliyun-oss-go-sdk/oss"
"io/ioutil"
"os"
"strings"
)
var specChineseBucketResourceGroup = SpecText{
synopsisText: "设置、查询bucket的resource group配置",
paramText: "bucket_url local_xml_file [options]",
syntaxText: `
ossutil resource-group --method put oss://bucket local_xml_file [options]
ossutil resource-group --method get oss://bucket [local_xml_file] [options]
`,
detailHelpText: `
resource-group命令通过设置method选项值为put、get,可以设置、查询bucket的resource group配置
用法:
该命令有二种用法:
1) ossutil resource-group --method put oss://bucket local_xml_file [options]
这个命令从配置文件local_xml_file中读取resource group配置,然后设置bucket的resource group规则
配置文件是一个xml格式的文件,可以选择只配置部分规则,下面是一个所有规则的例子
<?xml version="1.0" encoding="UTF-8"?>
<BucketResourceGroupConfiguration>
<ResourceGroupId>rg-xxxxxx</ResourceGroupId>
</BucketResourceGroupConfiguration>
2) ossutil resource-group --method get oss://bucket [local_xml_file] [options]
这个命令查询bucket的resource group配置
如果输入参数local_xml_file,resource group配置将输出到该文件,否则输出到屏幕上
`,
sampleText: `
1) 设置bucket的resource group配置
ossutil resource-group --method put oss://bucket local_xml_file
2) 查询bucket的resource group配置,结果输出到标准输出
ossutil resource-group --method get oss://bucket
3) 查询bucket的resource group配置,结果输出到本地文件
ossutil resource-group --method get oss://bucket local_xml_file
`,
}
var specEnglishBucketResourceGroup = SpecText{
synopsisText: "Set, get bucket resource group configuration",
paramText: "bucket_url local_xml_file [options]",
syntaxText: `
ossutil resource-group --method put oss://bucket local_xml_file [options]
ossutil resource-group --method get oss://bucket [local_xml_file] [options]
`,
detailHelpText: `
resource-group command can set, get the resource group configuration of the oss bucket by
set method option value to put, get
Usage:
1) ossutil resource-group --method put oss://bucket local_xml_file [options]
The command sets the resource group configuration of bucket from local file local_xml_file
the local_xml_file is xml format, you can choose to configure only some rules
The following is an example of all rules:
<?xml version="1.0" encoding="UTF-8"?>
<BucketResourceGroupConfiguration>
<ResourceGroupId>rg-xxxxxx</ResourceGroupId>
</BucketResourceGroupConfiguration>
2) ossutil resource-group --method get oss://bucket [local_xml_file] [options]
The command gets the resource group 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
`,
sampleText: `
1) put bucket resource group
ossutil resource-group --method put oss://bucket local_xml_file
2) get bucket resource group configuration to stdout
ossutil resource-group --method get oss://bucket
3) get bucket resource group configuration to local file
ossutil resource-group --method get oss://bucket local_xml_file
`,
}
type bucketResourceGroupOptionType struct {
bucketName string
}
type BucketResourceGroupCommand struct {
command Command
blOption bucketResourceGroupOptionType
}
var bucketResourceGroupCommand = BucketResourceGroupCommand{
command: Command{
name: "resource-group",
nameAlias: []string{"resource-group"},
minArgc: 1,
maxArgc: 2,
specChinese: specChineseBucketResourceGroup,
specEnglish: specEnglishBucketResourceGroup,
group: GroupTypeNormalCommand,
validOptionNames: []string{
OptionConfigFile,
OptionEndpoint,
OptionAccessKeyID,
OptionAccessKeySecret,
OptionSTSToken,
OptionProxyHost,
OptionProxyUser,
OptionProxyPwd,
OptionLogLevel,
OptionMethod,
OptionPassword,
OptionMode,
OptionECSRoleName,
OptionTokenTimeout,
OptionRamRoleArn,
OptionRoleSessionName,
OptionReadTimeout,
OptionConnectTimeout,
OptionSTSRegion,
OptionSkipVerifyCert,
OptionUserAgent,
OptionSignVersion,
OptionRegion,
OptionCloudBoxID,
},
},
}
// function for FormatHelper interface
func (brgc *BucketResourceGroupCommand) formatHelpForWhole() string {
return brgc.command.formatHelpForWhole()
}
func (brgc *BucketResourceGroupCommand) formatIndependHelp() string {
return brgc.command.formatIndependHelp()
}
// Init simulate inheritance, and polymorphism
func (brgc *BucketResourceGroupCommand) Init(args []string, options OptionMapType) error {
return brgc.command.Init(args, options, brgc)
}
// RunCommand simulate inheritance, and polymorphism
func (brgc *BucketResourceGroupCommand) RunCommand() error {
strMethod, _ := GetString(OptionMethod, brgc.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(brgc.command.args[0], "")
if err != nil {
return err
}
brgc.blOption.bucketName = srcBucketUrL.bucket
switch strMethod {
case "put":
err = brgc.PutBucketResourceGroup()
case "get":
err = brgc.GetBucketResourceGroup()
}
return err
}
func (brgc *BucketResourceGroupCommand) PutBucketResourceGroup() error {
if len(brgc.command.args) < 2 {
return fmt.Errorf("put bucket resource group need at least 2 parameters,the local xml file is empty")
}
xmlFile := brgc.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()
xmlBody, err := ioutil.ReadAll(file)
if err != nil {
return err
}
client, err := brgc.command.ossClient(brgc.blOption.bucketName)
if err != nil {
return err
}
options := []oss.Option{oss.AllowSameActionOverLap(true)}
return client.PutBucketResourceGroupXml(brgc.blOption.bucketName, string(xmlBody), options...)
}
func (brgc *BucketResourceGroupCommand) confirm(str string) bool {
var val string
fmt.Printf(getClearStr(fmt.Sprintf("bucket resource group: 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 (brgc *BucketResourceGroupCommand) GetBucketResourceGroup() error {
client, err := brgc.command.ossClient(brgc.blOption.bucketName)
if err != nil {
return err
}
output, err := client.GetBucketResourceGroupXml(brgc.blOption.bucketName)
if err != nil {
return err
}
var outFile *os.File
if len(brgc.command.args) >= 2 {
fileName := brgc.command.args[1]
_, err = os.Stat(fileName)
if err == nil {
bContinue := brgc.confirm(fileName)
if !bContinue {
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(output))
fmt.Printf("\n\n")
return nil
}