Class: Aliyun::OSS::Client

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/aliyun/oss/client.rb

Overview

OSS服务的客户端，用于获取bucket列表，创建/删除bucket。Object相关的操作请使用Bucket。

Examples:

创建Client

endpoint = 'oss-cn-hangzhou.oss.aliyuncs.com'
client = Client.new(
  :endpoint => endpoint,
  :access_key_id => 'access_key_id',
  :access_key_secret => 'access_key_secret')
buckets = client.list_buckets
client.create_bucket('my-bucket')
client.delete_bucket('my-bucket')
bucket = client.get_bucket('my-bucket')

Constant Summary

Constants included from Logging

Logging::DEFAULT_LOG_FILE

Instance Method Summary collapse

Methods included from Logging

#logger, set_log_file, set_log_level

Constructor Details

#initialize(opts) ⇒ Client

构造OSS client，用于操作buckets。

Examples:

标准endpoint

oss-cn-hangzhou.aliyuncs.com
oss-cn-beijing.aliyuncs.com

用户绑定的域名

my-domain.com
foo.bar.com

Parameters:

  • opts (Hash) —

    构造Client时的参数选项

Options Hash (opts):

  • :endpoint (String) —

    [必填]OSS服务的地址，可以是以oss.aliyuncs.com的标准域名，也可以是用户绑定的域名

  • :access_key_id (String) —

    [可选]用户的ACCESS KEY ID，如果不填则会尝试匿名访问

  • :access_key_secret (String) —

    [可选]用户的ACCESS KEY SECRET，如果不填则会尝试匿名访问

  • :cname (Boolean) —
    可选

    指定endpoint是否是用户绑

    定的域名



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# File 'lib/aliyun/oss/client.rb', line 39

def initialize(opts)
  fail ClientError, "Endpoint must be provided" unless opts[:endpoint]

  @config = Config.new(opts)
  @protocol = Protocol.new(@config)
end

Instance Method Details

#bucket_exists?(name) ⇒ Boolean Also known as: bucket_exist?

判断一个bucket是否存在

Parameters:

  • name (String) —

    Bucket名字

Returns:

  • (Boolean) —

    如果Bucket存在则返回true，否则返回false



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# File 'lib/aliyun/oss/client.rb', line 76

def bucket_exists?(name)
  exist = false

  begin
    @protocol.get_bucket_acl(name)
    exist = true
  rescue ServerError => e
    raise unless e.http_code == 404
  end

  exist
end

#create_bucket(name, opts = {}) ⇒ Object

创建一个bucket

Parameters:

  • name (String) —

    Bucket名字

  • opts (Hash) (defaults to: {}) —

    创建Bucket的属性（可选）

Options Hash (opts):

  • [String] (:location) —

    指定bucket所在的区域，默认为oss-cn-hangzhou



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# File 'lib/aliyun/oss/client.rb', line 62

def create_bucket(name, opts = {})
  @protocol.create_bucket(name, opts)
end

#delete_bucket(name) ⇒ Object

Note:

如果要删除的Bucket不为空（包含有object），则删除会失败

删除一个bucket

Parameters:

  • name (String) —

    Bucket名字



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# File 'lib/aliyun/oss/client.rb', line 69

def delete_bucket(name)
  @protocol.delete_bucket(name)
end

#get_bucket(name) ⇒ Bucket

获取一个Bucket对象，用于操作bucket中的objects。

Parameters:

  • name (String) —

    Bucket名字

Returns:



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# File 'lib/aliyun/oss/client.rb', line 94

def get_bucket(name)
  Bucket.new({:name => name}, @protocol)
end

#list_buckets(opts = {}) ⇒ Enumerator<Bucket>

列出当前所有的bucket

Parameters:

  • opts (Hash) (defaults to: {}) —

    查询选项

Options Hash (opts):

  • :prefix (String) —

    如果设置，则只返回以它为前缀的bucket

Returns:

  • (Enumerator<Bucket>) —

    Bucket的迭代器



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# File 'lib/aliyun/oss/client.rb', line 50

def list_buckets(opts = {})
  if @config.cname
    fail ClientError, "Cannot list buckets for a CNAME endpoint."
  end

  Iterator::Buckets.new(@protocol, opts).to_enum
end