Object Storage Service:Bucket tagging (Go SDK V1)

Observações

• Este tópico utiliza o endpoint público da região China (Hangzhou). Para acessar o OSS a partir de outros serviços da Alibaba Cloud na mesma região, utilize um endpoint interno. Para mais informações sobre as regiões e endpoints do OSS, consulte Regions and endpoints.

• As credenciais de acesso são obtidas a partir de variáveis de ambiente. Para configurar as credenciais de acesso, consulte Configure access credentials.

• Este tópico demonstra como criar uma instância do OSSClient com um endpoint do OSS. Para configurações alternativas, como o uso de um domínio personalizado ou autenticação com credenciais do Security Token Service (STS), consulte Configure a client (Go SDK V1).

Definir tags de buckets

Defina tags para um bucket chamado examplebucket com o código a seguir.

package main

import (
	"fmt"
	"os"

	"github.com/aliyun/aliyun-oss-go-sdk/oss"
)

func main() {
	// Obtain access credentials from environment variables. Before you run this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	// Create an OSSClient instance.
	// Set yourEndpoint to the Endpoint of your bucket. For example, for the China (Hangzhou) region, set the Endpoint to https://oss-cn-hangzhou.aliyuncs.com. For other regions, use the actual Endpoint.
	// Set yourRegion to the region where your bucket is located. For example, for the China (Hangzhou) region, set the region to cn-hangzhou. For other regions, use the actual region.
	clientOptions := []oss.ClientOption{oss.SetCredentialsProvider(&provider)}
	clientOptions = append(clientOptions, oss.Region("yourRegion"))
	// Set the signature version.
	clientOptions = append(clientOptions, oss.AuthVersion(oss.AuthV4))
	client, err := oss.New("yourEndpoint", "", "", clientOptions...)
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	// Initialize tags.
	tag1 := oss.Tag{
		Key:   "key1",
		Value: "value1",
	}
	tag2 := oss.Tag{
		Key:   "key2",
		Value: "value2",
	}
	tagging := oss.Tagging{
		Tags: []oss.Tag{tag1, tag2},
	}
	// Specify the bucket name, for example, examplebucket.
	// Set bucket tags.
	err = client.SetBucketTagging("examplebucket", tagging)
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
}

Visualizar tags de buckets

Visualize as tags de um bucket chamado examplebucket com o código a seguir.

package main

import (
	"fmt"
	"os"

	"github.com/aliyun/aliyun-oss-go-sdk/oss"
)

func main() {
	// Obtain access credentials from environment variables. Before you run this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	// Create an OSSClient instance.
	// Set yourEndpoint to the Endpoint of your bucket. For example, for the China (Hangzhou) region, set the Endpoint to https://oss-cn-hangzhou.aliyuncs.com. For other regions, use the actual Endpoint.
	// Set yourRegion to the region where your bucket is located. For example, for the China (Hangzhou) region, set the region to cn-hangzhou. For other regions, use the actual region.
	clientOptions := []oss.ClientOption{oss.SetCredentialsProvider(&provider)}
	clientOptions = append(clientOptions, oss.Region("yourRegion"))
	// Set the signature version.
	clientOptions = append(clientOptions, oss.AuthVersion(oss.AuthV4))
	client, err := oss.New("yourEndpoint", "", "", clientOptions...)
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	// Specify the bucket name.
	// Get bucket tag information.
	ret, err := client.GetBucketTagging("examplebucket")
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	// Print the number of tags.
	fmt.Println("Tag length: ", len(ret.Tags))
}

Listar buckets com tags especificadas

Especifique as tags desejadas para listar os buckets correspondentes com o código a seguir.

package main

import (
	"fmt"
	"os"

	"github.com/aliyun/aliyun-oss-go-sdk/oss"
)

func main() {
	// Obtain access credentials from environment variables. Before you run this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	// Create an OSSClient instance.
	// Set yourEndpoint to the Endpoint of your bucket. For example, for the China (Hangzhou) region, set the Endpoint to https://oss-cn-hangzhou.aliyuncs.com. For other regions, use the actual Endpoint.
	// Set yourRegion to the region where your bucket is located. For example, for the China (Hangzhou) region, set the region to cn-hangzhou. For other regions, use the actual region.
	clientOptions := []oss.ClientOption{oss.SetCredentialsProvider(&provider)}
	clientOptions = append(clientOptions, oss.Region("yourRegion"))
	// Set the signature version.
	clientOptions = append(clientOptions, oss.AuthVersion(oss.AuthV4))
	client, err := oss.New("yourEndpoint", "", "", clientOptions...)
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	// Find buckets by TagKey.
	ret, err := client.ListBuckets(oss.TagKey("yourTaggingKey"))
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	// Print bucket information.
	for _, bucket := range ret.Buckets {
		fmt.Println("bucket:", bucket)
	}
	// Find buckets by both TagKey and TagValue.
	// The TagValue parameter must be used with the TagKey parameter. You can leave TagValue unspecified. If TagValue is not specified, the results are not filtered by tag value.
	res, err := client.ListBuckets(oss.TagKey("yourTaggingKey"), oss.TagValue("yourTaggingValue"))
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	// Print bucket information.
	for _, b := range res.Buckets {
		fmt.Println("bucket:", b)
	}
}

Excluir tags de buckets

Excluir uma única tag de bucket

Exclua a tag com a chave key1 de um bucket chamado examplebucket usando o código a seguir.

package main

import (
	"fmt"
	"os"

	"github.com/aliyun/aliyun-oss-go-sdk/oss"
)

func main() {
	// Obtain access credentials from environment variables. Before you run this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	// Create an OSSClient instance.
	// Set yourEndpoint to the Endpoint of your bucket. For example, for the China (Hangzhou) region, set the Endpoint to https://oss-cn-hangzhou.aliyuncs.com. For other regions, use the actual Endpoint.
	// Set yourRegion to the region where your bucket is located. For example, for the China (Hangzhou) region, set the region to cn-hangzhou. For other regions, use the actual region.
	clientOptions := []oss.ClientOption{oss.SetCredentialsProvider(&provider)}
	clientOptions = append(clientOptions, oss.Region("yourRegion"))
	// Set the signature version.
	clientOptions = append(clientOptions, oss.AuthVersion(oss.AuthV4))
	client, err := oss.New("yourEndpoint", "", "", clientOptions...)
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	// Specify the bucket name.
	// Delete the bucket tag whose key is key1.
	err = client.DeleteBucketTagging("examplebucket", oss.AddParam("tagging", "key1"))
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
}

Excluir várias tags de buckets

Exclua as tags com as chaves key1 e key2 de um bucket chamado examplebucket com o código a seguir.

package main

import (
	"fmt"
	"os"

	"github.com/aliyun/aliyun-oss-go-sdk/oss"
)

func main() {
	// Get access credentials from environment variables. Before running this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	// Create an OSSClient instance.
	// Set yourEndpoint to the endpoint of your bucket. For example, if your bucket is in the China (Hangzhou) region, set the endpoint to https://oss-cn-hangzhou.aliyuncs.com. For other regions, set the endpoint accordingly.
	// Set yourRegion to the region where your bucket is located. For example, if your bucket is in the China (Hangzhou) region, set the region to cn-hangzhou. For other regions, set the region accordingly.
	clientOptions := []oss.ClientOption{oss.SetCredentialsProvider(&provider)}
	clientOptions = append(clientOptions, oss.Region("yourRegion"))
	// Set the signature version.
	clientOptions = append(clientOptions, oss.AuthVersion(oss.AuthV4))
	client, err := oss.New("yourEndpoint", "", "", clientOptions...)
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	// Specify the bucket name.
	// Delete the bucket tags whose keys are key1 and key2.
	err = client.DeleteBucketTagging("examplebucket", oss.AddParam("tagging", "key1,key2"))
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
}

Excluir todas as tags de um bucket

Exclua todas as tags do bucket examplebucket usando o código de exemplo a seguir.

package main

import (
	"fmt"
	"os"

	"github.com/aliyun/aliyun-oss-go-sdk/oss"
)

func main() {
	// Obtain access credentials from environment variables. Before running this sample code, make sure that the OSS_ACCESS_KEY_ID and OSS_ACCESS_KEY_SECRET environment variables are set.
	provider, err := oss.NewEnvironmentVariableCredentialsProvider()
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}

	// Create an OSSClient instance.
	// Replace yourEndpoint with the endpoint of the bucket. For example, if the bucket is in the China (Hangzhou) region, set the endpoint to https://oss-cn-hangzhou.aliyuncs.com. For other regions, specify the actual endpoint.
	// Replace yourRegion with the region where the bucket is located. For example, if the bucket is in the China (Hangzhou) region, set the region to cn-hangzhou. For other regions, specify the actual region.
	clientOptions := []oss.ClientOption{oss.SetCredentialsProvider(&provider)}
	clientOptions = append(clientOptions, oss.Region("yourRegion"))
	// Set the signature version.
	clientOptions = append(clientOptions, oss.AuthVersion(oss.AuthV4))
	client, err := oss.New("yourEndpoint", "", "", clientOptions...)
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
	// Specify the bucket name, such as examplebucket.
	// Delete the bucket tags.
	err = client.DeleteBucketTagging("examplebucket")
	if err != nil {
		fmt.Println("Error:", err)
		os.Exit(-1)
	}
}

Referências

• Para mais informações sobre a operação de API para definir tags de buckets, consulte PutBucketTags.

• Para mais informações sobre a operação de API para obter tags de buckets, consulte GetBucketTags.

• Para mais informações sobre a operação de API para excluir tags de buckets, consulte DeleteBucketTags.