Class: Azure::Armrest::StorageAccount

Inherits:
BaseModel
  • Object
show all
Defined in:
lib/azure/armrest/model/base_model.rb,
lib/azure/armrest/model/storage_account.rb

Direct Known Subclasses

StorageAccountKey

Defined Under Namespace

Classes: Blob, BlobMetadata, BlobProperty, BlobServiceProperty, BlobServiceStat, BlobSnapshot, Container, ContainerProperty, PrivateImage, ShareDirectory, ShareFile, Table, TableData

Instance Attribute Summary collapse

Attributes inherited from BaseModel

#resource_group, #response_code, #response_headers, #subscription_id

Instance Method Summary collapse

Methods inherited from BaseModel

#==, #[], #[]=, #eql?, #pretty_print, #to_h, #to_hash, #to_json, #to_s, #to_str

Constructor Details

#initialize(json) ⇒ StorageAccount

Returns a new instance of StorageAccount.



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# File 'lib/azure/armrest/model/storage_account.rb', line 37

def initialize(json)
  super
  @storage_api_version = '2016-05-31'
end

Instance Attribute Details

#access_key ⇒ Object

The default access key used when creating a signature for internal http requests.



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# File 'lib/azure/armrest/model/storage_account.rb', line 32

def access_key
  @access_key
end

#configuration ⇒ Object

The parent configuration object



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# File 'lib/azure/armrest/model/storage_account.rb', line 35

def configuration
  @configuration
end

#storage_api_version ⇒ Object

The version string used in headers sent as part any internal http request. The default is 2016-05-31.



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# File 'lib/azure/armrest/model/storage_account.rb', line 29

def storage_api_version
  @storage_api_version
end

Instance Method Details

#add_file_content(share, file, key = access_key, options = {}) ⇒ Object

Add content to file on share. The options hash supports three options, :content, :timeout and :write.

The :content option is just a string, i.e. the content you want to add to the file. Azure allows you to add a maximum of 4mb worth of content per request.

The :timeout option is nil by default. The :write option defaults to ‘update’. If you want to clear a file, set it to ‘clear’.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 349

def add_file_content(share, file, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  timeout = options.delete(:timeout)
  content = options.delete(:content)

  url = File.join(properties.primary_endpoints.file, share, file) + "?comp=range"
  url += "&timeout=#{timeout}" if timeout

  hash = options.transform_keys.each { |okey| 'x-ms-' + okey.to_s.tr('_', '-') }

  hash['verb'] = 'PUT'
  hash['x-ms-write'] ||= 'update'

  if hash['x-ms-write'] == 'clear'
    hash['content-length'] = 0
    hash['x-ms-range'] = "bytes=0-"
  else
    range = 0..(content.size - 1)
    hash['content-length'] = content.size
    hash['x-ms-range'] = "bytes=#{range.min}-#{range.max}"
  end

  headers = build_headers(url, key, :file, hash)

  response = ArmrestService.send(
    :rest_put,
    :url         => url,
    :payload     => content,
    :headers     => headers,
    :proxy       => configuration.proxy,
    :ssl_version => configuration.ssl_version,
    :ssl_verify  => configuration.ssl_verify
  )

  Azure::Armrest::ResponseHeaders.new(response.headers).tap do |rh|
    rh.response_code = response.code
  end
end

#all_blobs(key = access_key, max_threads = 10, options = {}) ⇒ Object

Returns an array of all blobs for all containers. The options hash may contain the same arguments that a call to StorageAccount#blobs would accept.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 580

def all_blobs(key = access_key, max_threads = 10, options = {})
  raise ArgumentError, "No access key specified" unless key

  array = []
  mutex = Mutex.new

  Parallel.each(containers(key), :in_threads => max_threads) do |container|
    begin
      mutex.synchronize { array.concat(blobs(container.name, key, options)) }
    rescue Errno::ECONNREFUSED, Azure::Armrest::TimeoutException => err
      msg = "Unable to gather blob information for #{container.name}: #{err}"
      Azure::Armrest::Configuration.log.try(:log, Logger::WARN, msg)
      next
    end
  end

  array
end

#blob_metadata(container, blob, key = access_key, options = {}) ⇒ Object

Return metadata for the given blob within container. You may specify a date to retrieve metadata for a specific snapshot.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 614

def blob_metadata(container, blob, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = "comp=metadata"
  query << "&snapshot=" + options[:date] if options[:date]

  response = blob_response(key, query, container, blob)

  BlobMetadata.new(response.headers)
end

#blob_properties(container, blob, key = access_key, options = {}) ⇒ Object

Return the blob properties for the given blob found in container. You may optionally provide a date to get information for a snapshot.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 468

def blob_properties(container, blob, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  url = File.join(properties.primary_endpoints.blob, container, blob)
  url += "?snapshot=" + options[:date] if options[:date]

  headers = build_headers(url, key, :blob, :verb => 'HEAD')

  response = ArmrestService.send(
    :rest_head,
    :url         => url,
    :headers     => headers,
    :proxy       => configuration.proxy,
    :ssl_version => configuration.ssl_version,
    :ssl_verify  => configuration.ssl_verify
  )

  BlobProperty.new(response.headers.merge(:container => container, :name => blob))
end

#blob_service_properties(key = access_key) ⇒ Object

Returns the blob service properties for the current storage account.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 601

def blob_service_properties(key = access_key)
  raise ArgumentError, "No access key specified" unless key

  response = blob_response(key, "restype=service&comp=properties")
  toplevel = 'StorageServiceProperties'

  doc = Nokogiri::XML(response.body).xpath("//#{toplevel}")
  BlobServiceProperty.new(Hash.from_xml(doc.to_s)[toplevel])
end

#blob_service_stats(key = access_key) ⇒ Object

Retrieves statistics related to replication for the Blob service. Only available on the secondary location endpoint when read-access geo-redundant replication is enabled for the storage account.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 629

def blob_service_stats(key = access_key)
  raise ArgumentError, "No access key specified" unless key

  response = blob_response(key, "restype=service&comp=stats")
  toplevel = 'StorageServiceStats'

  doc = Nokogiri::XML(response.body).xpath("//#{toplevel}")
  BlobServiceStat.new(Hash.from_xml(doc.to_s)[toplevel])
end

#blobs(container, key = access_key, options = {}) ⇒ Object

Return a list of blobs for the given container using the given key or the access_key property of the StorageAccount object.

The following options are supported:

  • prefix

  • delimiter

  • maxresults

  • include

  • timeout

By default Azure uses a value of 5000 for :maxresults.

If the :include option is specified, it should contain an array of one or more of the following values: snapshots, metadata, copy or uncommittedblobs.

Example:

sas  = Azure::Armrest::StorageAccountService.new(conf)
key  = sas.['key1']
acct = sas.get('your_storage_account', 'your_resource_group')

p acct.blobs('vhds', key)
p acct.blobs('vhds', key, :timeout => 30)
p acct.blobs('vhds', key, :include => ['snapshots', 'metadata'])

In cases where a NextMarker element is found in the original response, another call will automatically be made with the marker value included in the URL so that you don’t have to perform such a step manually.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 558

def blobs(container, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = "restype=container&comp=list"
  options.each { |okey, ovalue| query += "&#{okey}=#{[ovalue].flatten.join(',')}" }

  response = blob_response(key, query, container)

  doc = Nokogiri::XML(response.body)

  results = doc.xpath('//Blobs/Blob').collect do |node|
    hash = Hash.from_xml(node.to_s)['Blob'].merge(:container => container)
    hash.key?('Snapshot') ? BlobSnapshot.new(hash) : Blob.new(hash)
  end

  results.concat(next_marker_results(doc, :blobs, container, key, options))
end

#container_acl(name, key = access_key) ⇒ Object

Returns the properties for the given container name using account key.

If the returned object does not contain x_ms_blob_public_access then the container is private to the account owner. You can also use the :private? method to determine if the account is public or private.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 456

def container_acl(name, key = access_key)
  raise ArgumentError, "No access key specified" unless key

  response = blob_response(key, "restype=container&comp=acl", name)
  response.headers[:private?] = response.headers.include?(:x_ms_blob_public_access) ? false : true

  ContainerProperty.new(response.headers)
end

#container_properties(name, key = access_key) ⇒ Object

Returns the properties for the given container name using account key.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 442

def container_properties(name, key = access_key)
  raise ArgumentError, "No access key specified" unless key

  response = blob_response(key, "restype=container", name)

  ContainerProperty.new(response.headers)
end

#containers(key = access_key, options = {}) ⇒ Object

Return a list of container names for the given storage account key. If no key is provided, it is assumed that the StorageAccount object includes the access_key property.

# The following options are supported:

  • prefix

  • delimiter

  • maxresults

  • include

  • timeout

By default Azure uses a value of 5000 for :maxresults.

If the :include option is specified, it should contain an array of one element: metadata. More options may be added by Microsoft at a later date.

Example:

sas  = Azure::Armrest::StorageAccountService.new(conf)
key  = sas.['key1']
acct = sas.get('your_storage_account', 'your_resource_group')

p acct.containers(key)
p acct.containers(key, :include => ['metadata'])
p acct.containers(key, :maxresults => 1)

In cases where a NextMarker element is found in the original response, another call will automatically be made with the marker value included in the URL so that you don’t have to perform such a step manually.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 423

def containers(key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = "comp=list"
  options.each { |okey, ovalue| query += "&#{okey}=#{[ovalue].flatten.join(',')}" }

  response = blob_response(key, query)

  doc = Nokogiri::XML(response.body)

  results = doc.xpath('//Containers/Container').collect do |element|
    Container.new(Hash.from_xml(element.to_s)['Container'])
  end

  results.concat(next_marker_results(doc, :containers, key, options))
end

#copy_blob(src_container, src_blob, dst_container, dst_blob = nil, key = access_key) ⇒ Object

Copy the blob from the source container/blob to the destination container/blob. If no destination blob name is provided, it will use the same name as the source.

Example:

source = "Microsoft.Compute/Images/your_container/your-img-osDisk.123xyz.vhd"
storage_acct.copy_blob('system', source, 'vhds', nil, your_key)

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 647

def copy_blob(src_container, src_blob, dst_container, dst_blob = nil, key = access_key)
  raise ArgumentError, "No access key specified" unless key

  dst_blob ||= File.basename(src_blob)

  dst_url = File.join(properties.primary_endpoints.blob, dst_container, dst_blob)
  src_url = File.join(properties.primary_endpoints.blob, src_container, src_blob)

  options = {'x-ms-copy-source' => src_url, 'if-none-match' => '*', :verb => 'PUT'}

  headers = build_headers(dst_url, key, :blob, options)

  response = ArmrestService.send(
    :rest_put,
    :url         => dst_url,
    :payload     => '',
    :headers     => headers,
    :proxy       => configuration.proxy,
    :ssl_version => configuration.ssl_version,
    :ssl_verify  => configuration.ssl_verify
  )

  blob = blob_properties(dst_container, dst_blob, key)
  blob.response_headers = Azure::Armrest::ResponseHeaders.new(response.headers)
  blob.response_code = response.code

  blob
end

#copy_file(src_container, src_file, dst_container = src_container, dst_file = nil, key = access_key) ⇒ Object

Copy a src_file to a destination dst_file within the same storage account.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 312

def copy_file(src_container, src_file, dst_container = src_container, dst_file = nil, key = access_key)
  raise ArgumentError, "No access key specified" unless key

  dst_file ||= File.basename(src_blob)

  dst_url = File.join(properties.primary_endpoints.file, dst_container, dst_file)
  src_url = File.join(properties.primary_endpoints.file, src_container, src_file)

  options = {'x-ms-copy-source' => src_url, :verb => 'PUT'}

  headers = build_headers(dst_url, key, :file, options)

  response = ArmrestService.send(
    :rest_put,
    :url         => dst_url,
    :payload     => '',
    :headers     => headers,
    :proxy       => configuration.proxy,
    :ssl_version => configuration.ssl_version,
    :ssl_verify  => configuration.ssl_verify
  )

  Azure::Armrest::ResponseHeaders.new(response.headers).tap do |rh|
    rh.response_code = response.code
  end
end

#create_blob(container, blob, key = access_key, options = {}) ⇒ Object

Create new blob for a container.

The options parameter is a hash that contains information used when creating the blob:

  • type - “BlockBlob”, “PageBlob” or “AppendBlob”. Mandatory.

  • content_disposition

  • content_encoding

  • content_language

  • content_md5

  • content_type

  • cache_control

  • lease_id

  • payload (block blobs only)

  • sequence_number (page blobs only)

  • timeout (part of the request)

Returns a ResponseHeaders object since this method is asynchronous.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 722

def create_blob(container, blob, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  timeout = options.delete(:timeout)
  payload = options.delete(:payload) || ''

  url = File.join(properties.primary_endpoints.blob, container, blob)
  url += "&timeout=#{timeout}" if timeout

  hash = options.transform_keys do |okey|
    if okey.to_s =~ /^if/i
      okey.to_s.tr('_', '-')
    elsif %w[date meta_name lease_id version].include?(okey.to_s)
      'x-ms-' + okey.to_s.tr('_', '-')
    else
      'x-ms-blob-' + okey.to_s.tr('_', '-')
    end
  end

  unless hash['x-ms-blob-type']
    raise ArgumentError, "The :type option must be specified"
  end

  hash['x-ms-date'] ||= Time.now.httpdate
  hash['x-ms-version'] ||= storage_api_version
  hash['verb'] = 'PUT'

  # Content length must be 0 (blank) for Page or Append blobs
  if %w[pageblob appendblob].include?(hash['x-ms-blob-type'].downcase)
    hash['content-length'] = ''
  else
    hash['content-length'] ||= hash['x-ms-blob-content-length']
  end

  # Override the default empty string
  hash['content-type'] ||= hash['x-ms-blob-content-type'] || 'application/octet-stream'

  headers = build_headers(url, key, :blob, hash)

  response = ArmrestService.send(
    :rest_put,
    :url         => url,
    :payload     => payload,
    :headers     => headers,
    :proxy       => configuration.proxy,
    :ssl_version => configuration.ssl_version,
    :ssl_verify  => configuration.ssl_verify
  )

  resp_headers = Azure::Armrest::ResponseHeaders.new(response.headers)
  resp_headers.response_code = response.code

  resp_headers
end

#create_blob_snapshot(container, blob, key = access_key, options = {}) ⇒ Object

Create a read-only snapshot of a blob.

Possible options are:

  • meta_name

  • lease_id

  • client_request_id

  • if_modified_since

  • if_unmodified_since

  • if_match

  • if_none_match

  • timeout

Returns a ResponseHeaders object since this is an asynchronous method.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 792

def create_blob_snapshot(container, blob, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  timeout = options.delete(:timeout) # Part of request

  url = File.join(properties.primary_endpoints.blob, container, blob) + "?comp=snapshot"
  url += "&timeout=#{timeout}" if timeout

  hash = options.transform_keys do |okey|
    if okey.to_s =~ /^if/i
      okey.to_s.tr('_', '-')
    else
      'x-ms-blob-' + okey.to_s.tr('_', '-')
    end
  end

  hash['verb'] = 'PUT'

  headers = build_headers(url, key, :blob, hash)

  response = ArmrestService.send(
    :rest_put,
    :url         => url,
    :payload     => '',
    :headers     => headers,
    :proxy       => configuration.proxy,
    :ssl_version => configuration.ssl_version,
    :ssl_verify  => configuration.ssl_verify
  )

  headers = Azure::Armrest::ResponseHeaders.new(response.headers)
  headers.response_code = response.code

  headers
end

#create_directory(share, directory, key = access_key, options = {}) ⇒ Object

Create a new directory under the specified share or parent directory.

The only supported option at this time is a “timeout” option.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 123

def create_directory(share, directory, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = {:restype => 'directory'}.merge(options).to_query

  response = file_response(key, query, 'put', '', File.join(share, directory))

  Azure::Armrest::ResponseHeaders.new(response.headers).tap do |rh|
    rh.response_code = response.code
  end
end

#create_file(share, file, key = access_key, options = {}) ⇒ Object

Create the specified share file. You may specify any of the following options:

  • cache_control

  • content_disposition

  • content_length (default: 0)

  • content_encoding

  • content_language

  • content_md5

  • content_type (default: application/octet-stream)

  • meta_name

  • timeout

  • version

Note that this does not set the content of the file, it only creates in the file share.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 260

def create_file(share, file, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  timeout = options.delete(:timeout) # Part of request

  url = File.join(properties.primary_endpoints.file, share, file)
  url += "?timeout=#{timeout}" if timeout

  hash = options.transform_keys.each { |okey| 'x-ms-' + okey.to_s.tr('_', '-') }

  hash['verb'] = 'PUT'

  # Mandatory and/or sane defaults
  hash['x-ms-type'] = 'file'
  hash['x-ms-content-length'] ||= 0
  hash['x-ms-content-type'] ||= 'application/octet-stream'

  headers = build_headers(url, key, :file, hash)

  response = ArmrestService.send(
    :rest_put,
    :url         => url,
    :payload     => '',
    :headers     => headers,
    :proxy       => configuration.proxy,
    :ssl_version => configuration.ssl_version,
    :ssl_verify  => configuration.ssl_verify
  )

  Azure::Armrest::ResponseHeaders.new(response.headers).tap do |rh|
    rh.response_code = response.code
  end
end

#delete_blob(container, blob, key = access_key, options = {}) ⇒ Object

Delete the given blob found in container. Pass a :date option if you wish to delete a snapshot.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 679

def delete_blob(container, blob, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  url = File.join(properties.primary_endpoints.blob, container, blob)
  url += "?snapshot=" + options[:date] if options[:date]

  headers = build_headers(url, key, :blob, :verb => 'DELETE')

  response = ArmrestService.send(
    :rest_delete,
    :url         => url,
    :headers     => headers,
    :proxy       => configuration.proxy,
    :ssl_version => configuration.ssl_version,
    :ssl_verify  => configuration.ssl_verify
  )

  headers = Azure::Armrest::ResponseHeaders.new(response.headers)
  headers.response_code = response.code

  headers
end

#delete_directory(share, directory, key = access_key, options = {}) ⇒ Object

Delete the specified share or parent directory.

The only supported option at this time is a “timeout” option.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 139

def delete_directory(share, directory, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = {:restype => 'directory'}.merge(options).to_query

  response = file_response(key, query, 'delete', '', File.join(share, directory))

  Azure::Armrest::ResponseHeaders.new(response.headers).tap do |rh|
    rh.response_code = response.code
  end
end

#delete_file(share, file, key = access_key, options = {}) ⇒ Object

Delete the specified share file.

The only supported option at this time is a “timeout” option.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 298

def delete_file(share, file, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = options.to_query

  response = file_response(key, query, 'delete', '', File.join(share, file))

  Azure::Armrest::ResponseHeaders.new(response.headers).tap do |rh|
    rh.response_code = response.code
  end
end

#directory_metadata(share, directory, key = access_key, options = {}) ⇒ Object

Get metadata for the specified share or parent directory.

The only supported option at this time is a “timeout” option.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 169

def directory_metadata(share, directory, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = {:restype => 'directory', :comp => 'metadata'}.merge(options).to_query

  response = file_response(key, query, 'head', '', File.join(share, directory))

  ShareDirectory.new(response.headers)
end

#directory_properties(share, directory, key = access_key, options = {}) ⇒ Object

Get properties for the specified share or parent directory.

The only supported option at this time is a “timeout” option.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 155

def directory_properties(share, directory, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = {:restype => 'directory'}.merge(options).to_query

  response = file_response(key, query, 'get', '', File.join(share, directory))

  ShareDirectory.new(response.headers)
end

#file_content(share, file, key = access_key, options = {}) ⇒ Object

Returns the raw contents of the specified file.

The only supported option at this time is a “timeout” option.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 218

def file_content(share, file, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = options.to_query

  response = file_response(key, query, 'get', '', File.join(share, file))
  response.body
end

#file_properties(share, file, key = access_key, options = {}) ⇒ Object

Returns the raw contents of the specified file.

The only supported option at this time is a “timeout” option.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 231

def file_properties(share, file, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = options.to_query

  response = file_response(key, query, 'head', '', File.join(share, file))

  Azure::Armrest::ResponseHeaders.new(response.headers).tap do |rh|
    rh.response_code = response.code
  end
end

#files(share, key = access_key, options = {}) ⇒ Object

Returns a list of files for the specified file-share. You may also optionally specify a directory in “share/directory” format.

You may specify multiple options to limit the result set. The possible options are:

  • prefix

  • marker

  • maxresults

  • timeout

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 190

def files(share, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = {:restype => 'directory', :comp => 'list'}.merge(options).to_query

  response = file_response(key, query, 'get', nil, share)

  doc = Nokogiri::XML(response.body)
  results = []

  doc.xpath('//EnumerationResults/Entries').each do |element|
    element.xpath('//Directory').each do |dir|
      results << ShareDirectory.new(Hash.from_xml(dir.to_s)['Directory'])
    end
    element.xpath('//File').each do |file|
      results << ShareFile.new(Hash.from_xml(file.to_s)['File'])
    end
  end

  results.concat(next_marker_results(doc, :files, key, options))

  results
end

#get_blob_raw(container, blob, key = access_key, options = {}) ⇒ Object

Get the contents of the given blob found in container using the given options. This is a low level method to read a range of bytes from the blob directly. The possible options are:

  • range - A range of bytes to collect.

  • start_byte - The starting byte for collection.

  • end_byte - The end byte for collection. Use this or :length with :start_byte.

  • length - The number of bytes to collect starting at start_byte.

  • entire_image - Read all bytes for the blob.

  • md5 - If true, the response headers will include MD5 checksum information.

  • date - Get the blob snapshot for the given date.

If you do not specify a :range or :start_byte, then an error will be raised unless you explicitly set the :entire_image option to true. However, that is not recommended because the blobs can be huge.

Unlike other methods, this method returns a raw response object rather than a wrapper model. Get the information you need using:

  • response.body - blob data.

  • response.headers - blob metadata.

Example:

ret = @storage_acct.get_blob(@container, @blob, key, :start_byte => start_byte, :length => length)
content_md5  = ret.headers[:content_md5].unpack("m0").first.unpack("H*").first
returned_md5 = Digest::MD5.hexdigest(ret.body)
raise "Checksum error: #{range_str}, blob: #{@container}/#{@blob}" unless content_md5 == returned_md5
return ret.body

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 858

def get_blob_raw(container, blob, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  url = File.join(properties.primary_endpoints.blob, container, blob)
  url += "?snapshot=" + options[:date] if options[:date]

  additional_headers = {
    'verb' => 'GET'
  }

  range_str = nil
  if options[:range]
    range_str = "bytes=#{options[:range].min}-#{options[:range].max}"
  elsif options[:start_byte]
    range_str = "bytes=#{options[:start_byte]}-"
    if options[:end_byte]
      range_str << options[:end_byte].to_s
    elsif options[:length]
      range_str << (options[:start_byte] + options[:length] - 1).to_s
    end
  end

  if range_str
    additional_headers['x-ms-range'] = range_str
    additional_headers['x-ms-range-get-content-md5'] = true if options[:md5]
  else
    raise ArgumentError, "must specify byte range or entire_image flag" unless options[:entire_image]
  end

  headers = build_headers(url, key, :blob, additional_headers)

  ArmrestService.send(
    :rest_get,
    :url         => url,
    :headers     => headers,
    :proxy       => configuration.proxy,
    :ssl_version => configuration.ssl_version,
    :ssl_verify  => configuration.ssl_verify
  )
end

#table_data(name, key = access_key, options = {}) ⇒ Object

Returns a list of TableData objects for the given table name using account key. The exact nature of the TableData object depends on the type of table that it is.

You may specify :filter, :select or :top as options to restrict your result set.

By default you will receive a maximum of 1000 records. If you wish to receive more records, you will need to use the continuation token. You may also set the :all option to true if you want all records, though we recommend using a filter as well if you use that option as there can be thousands of results.

You may also specify a :NextRowKey, :NextPartitionKey or :NextTableset explicitly for paging. Normally you would just pass the collection’s continuation_token, however. See below for an example.

When using continuation tokens, you should retain your original filtering as well, or you may get unexpected results.

Examples:

# Get the first 10 rows of data from the last 3 days
date = (Time.now - (86400 * 3)).iso8601
my_filter = "timestamp ge datetime'#{date}'"
options = {:top => 10, :filter => my_filter}

results = .table_data(table, key, options)

# Now get the next 10 records
if results.continuation_token
  options[:continuation_token] = results.continuation_token
  more_results = .table_data(table, key, options)
end

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 96

def table_data(name, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  query = build_query(options)
  response = table_response(key, query, name)

  klass = Azure::Armrest::StorageAccount::TableData
  data  = Azure::Armrest::ArmrestCollection.create_from_response(response, klass)

  # Continuation tokens are parsed differently for storage
  data.continuation_token = parse_continuation_tokens(response)

  if options[:all] && data.continuation_token
    options[:continuation_token] = data.continuation_token
    data.push(*table_data(name, key, options))
    data.continuation_token = nil # Clear when finished
  end

  data
end

#table_info(table, key = access_key) ⇒ Object

Return information about a single table for the given storage account key. If you are looking for the entities within the table, use the table_data method instead.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 55

def table_info(table, key = access_key)
  raise ArgumentError, "No access key specified" unless key
  response = table_response(key, nil, "Tables('#{table}')")
  Table.new(response.body)
end

#tables(key = access_key) ⇒ Object

Returns a list of tables for the given storage account key. Note that full metadata is returned.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 45

def tables(key = access_key)
  raise ArgumentError, "No access key specified" unless key
  response = table_response(key, nil, "Tables")
  JSON.parse(response.body)['value'].map { |t| Table.new(t) }
end

#update_blob_properties(container, blob, key = access_key, options = {}) ⇒ Object

Update the given blob in container with the provided options. The possible options are:

cache_control content_disposition content_encoding content_language content_length content_md5 content_type lease_id version

The content_length option is only value for page blobs, and is used to resize the blob.

Raises:

  • (ArgumentError) 


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# File 'lib/azure/armrest/model/storage_account.rb', line 504

def update_blob_properties(container, blob, key = access_key, options = {})
  raise ArgumentError, "No access key specified" unless key

  url = File.join(properties.primary_endpoints.blob, container, blob) + "?comp=properties"

  hash = options.transform_keys { |okey| "x-ms-blob-" + okey.to_s.tr('_', '-') }

  hash['verb'] = 'PUT'

  headers = build_headers(url, key, :blob, hash)

  response = ArmrestService.send(
    :rest_put,
    :url         => url,
    :headers     => headers,
    :proxy       => configuration.proxy,
    :ssl_version => configuration.ssl_version,
    :ssl_verify  => configuration.ssl_verify
  )

  BlobProperty.new(response.headers.merge(:container => container, :name => blob))
end