Class: VCenterDriver::Datastore
Overview
Constant Summary
Constants inherited
from Storage
Storage::CURLBIN
Instance Attribute Summary collapse
Attributes inherited from Storage
#item
Class Method Summary
collapse
Instance Method Summary
collapse
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#all_images ⇒ Object
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#copy_virtual_disk(src_path, target_ds, target_path, new_size = nil) ⇒ Object
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#dc_path ⇒ Object
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#delete_file(img_name) ⇒ Object
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#delete_virtual_disk(img_name) ⇒ Object
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#descriptor?(remote_path) ⇒ Boolean
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#dir_empty?(path) ⇒ Boolean
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#download_file(source_path, target_path) ⇒ Object
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#download_to_stdout(remote_path) ⇒ Object
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#generate_file_url(path) ⇒ Object
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#get_search_params(ds_name, img_path = nil, img_name = nil) ⇒ Object
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#get_text_file(remote_path) ⇒ Object
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#initialize(item, vi_client = nil) ⇒ Datastore
constructor
A new instance of Datastore.
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#move_virtual_disk(disk, dest_path, dest_dsid, vi_client = nil) ⇒ Object
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#rm_directory(directory) ⇒ Object
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#stat(img_str) ⇒ Object
Get file size for image handling.
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#upload_file(source_path, target_path) ⇒ Object
Methods inherited from Storage
#create_directory, #create_virtual_disk, disk_or_iso?, exists_one_by_ref_dc_and_type?, get_image_import_template, get_one_image_ds_by_ref_and_dc, #monitor, #obtain_dc, #obtain_fm, #obtain_vdm, #to_one, #to_one_template
Methods included from Memoize
#[], #[]=, #clear, #clear_all
Constructor Details
#initialize(item, vi_client = nil) ⇒ Datastore
Returns a new instance of Datastore.
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# File 'lib/datastore.rb', line 370
def initialize(item, vi_client = nil)
check_item(item, RbVmomi::VIM::Datastore)
@vi_client = vi_client
@item = item
@one_item = {}
super()
end
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Instance Attribute Details
#one_item ⇒ Object
Returns the value of attribute one_item.
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# File 'lib/datastore.rb', line 368
def one_item
@one_item
end
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Class Method Details
.detach_and_destroy(disk, vm, disk_id, prev_ds_ref, vi_client) ⇒ Object
detach disk from vCenter vm if possible, destroy the disk on FS
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# File 'lib/datastore.rb', line 827
def self.detach_and_destroy(disk, vm, disk_id, prev_ds_ref, vi_client)
is_cd = !(disk['CLONE'].nil? || disk['CLONE'] == 'YES')
begin
ds_ref, img_path = vm.detach_disk(disk)
return if is_cd
if !(ds_ref && img_path && !img_path.empty?)
img_path = vm.disk_real_path(disk, disk_id)
ds_ref = prev_ds_ref
end
ds = VCenterDriver::Datastore.new_from_ref(ds_ref, vi_client)
search_params = ds.get_search_params(ds['name'],
File.dirname(img_path),
File.basename(img_path))
search_task = ds['browser']
.SearchDatastoreSubFolders_Task(search_params)
search_task.wait_for_completion
ds.delete_virtual_disk(img_path)
img_dir = File.dirname(img_path)
ds.rm_directory(img_dir) if ds.dir_empty?(img_dir)
rescue StandardError => e
if !e.message.start_with?('FileNotFound')
raise e.message end
end
end
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.new_from_ref(ref, vi_client) ⇒ Object
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# File 'lib/datastore.rb', line 822
def self.new_from_ref(ref, vi_client)
new(RbVmomi::VIM::Datastore.new(vi_client.vim, ref), vi_client)
end
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Instance Method Details
#all_images ⇒ Object
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# File 'lib/datastore.rb', line 681
def all_images
images = {}
imid = -1
ds_id = nil
ds_name = self['name']
ipool = VCenterDriver::VIHelper
.one_pool(OpenNebula::ImagePool, false)
if ipool.respond_to?(:message)
raise "Could not get OpenNebula ImagePool: #{pool.message}"
end
dpool = VCenterDriver::VIHelper
.one_pool(OpenNebula::DatastorePool, false)
if dpool.respond_to?(:message)
raise "Could not get OpenNebula DatastorePool: #{pool.message}"
end
ds_id = @one_item['ID']
begin
search_params = get_search_params(ds_name)
search_task = self['browser']
.SearchDatastoreSubFolders_Task(search_params)
search_task.wait_for_completion
search_task.info.result.each do |result|
folderpath = ''
size = result.folderPath.size
if result.folderPath[-1] != ']'
if result.folderPath[-1] != '/'
result.folderPath[size] = '/'
end
folderpath = result
.folderPath.sub(/^\[#{ds_name}\] /, '')
end
result.file.each do |image|
image_path = ''
next unless %w[FloppyImageFileInfo
IsoImageFileInfo
VmDiskFileInfo].include? image.class.to_s
image_path << folderpath << image.path
image_name = File.basename(image.path)
.reverse.sub('kdmv.', '').reverse
if image.class.to_s == 'VmDiskFileInfo'
image_type = 'OS'
else
image_type = 'CDROM'
end
image_size = image.capacityKb / 1024 rescue nil
image_size ||= image.fileSize / 1024 / 1024 rescue nil
controller = image.controllerType rescue nil
if controller
if controller == 'VirtualIDEController'
disk_prefix = 'hd'
else
disk_prefix = 'sd'
end
else
disk_prefix = VCenterDriver::VIHelper
.get_default(
'IMAGE/TEMPLATE/DEV_PREFIX'
)
end
key = "#{image_name}#{ds_name}#{image_path}"
import_name = VCenterDriver::VIHelper
.one_name(
OpenNebula::ImagePool,
image_name,
key,
ipool
)
one_image = "NAME=\"#{import_name}\"\n"
one_image << "PATH=\"vcenter://#{image_path}\"\n"
one_image << "PERSISTENT=\"NO\"\n"
one_image << "TYPE=\"#{image_type}\"\n"
unless CONFIG[:delete_images]
one_image << "VCENTER_IMPORTED=\"YES\"\n"
end
one_image << "DEV_PREFIX=\"#{disk_prefix}\"\n"
image_found = VCenterDriver::VIHelper
.find_image_by(
'SOURCE',
OpenNebula::ImagePool,
image_path,
ds_id,
ipool
)
next if image_found
images[import_name] = {
:import_id => imid+=1,
:name => import_name,
:ref => import_name,
:path => image_path,
:size => image_size.to_s,
:type => image.class.to_s,
:dsid => ds_id,
:one => one_image
}
end
end
rescue StandardError => e
raise "Could not find images. \
Reason: #{e.message}/#{e.backtrace}"
end
vname = @vi_client.vc_name || ''
{ vname => images }
end
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#copy_virtual_disk(src_path, target_ds, target_path, new_size = nil) ⇒ Object
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# File 'lib/datastore.rb', line 414
def copy_virtual_disk(src_path, target_ds, target_path, new_size = nil)
source_ds_name = self['name']
target_ds_name = target_ds['name']
leading_dirs = target_path.split('/')[0..-2]
if !leading_dirs.empty?
if source_ds_name == target_ds_name
create_directory(leading_dirs.join('/'))
else
target_ds.create_directory(leading_dirs.join('/'))
end
end
copy_params = {
:sourceName => "[#{source_ds_name}] #{src_path}",
:sourceDatacenter => obtain_dc.item
}
if File.extname(src_path) == '.vmdk'
copy_params[:destName] = "[#{target_ds_name}] #{target_path}"
obtain_vdm.CopyVirtualDisk_Task(copy_params).wait_for_completion
if new_size
resize_spec = {
:name => "[#{target_ds_name}] #{target_path}",
:datacenter => target_ds.obtain_dc.item,
:newCapacityKb => new_size,
:eagerZero => false
}
obtain_vdm.ExtendVirtualDisk_Task(
resize_spec
).wait_for_completion
end
else
copy_params[:destinationName] =
"[#{target_ds_name}] #{target_path}"
obtain_fm.CopyDatastoreFile_Task(
copy_params
).wait_for_completion
end
target_path
end
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#dc_path ⇒ Object
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# File 'lib/datastore.rb', line 599
def dc_path
dc = obtain_dc
p = dc.item.parent
path = [dc.item.name]
while p.instance_of? RbVmomi::VIM::Folder
path.unshift(p.name)
p = p.parent
end
path.delete_at(0) path.join('/')
end
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#delete_file(img_name) ⇒ Object
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# File 'lib/datastore.rb', line 396
def delete_file(img_name)
ds_name = self['name']
begin
obtain_fm.DeleteDatastoreFile_Task(
:name => "[#{ds_name}] #{img_name}",
:datacenter => obtain_dc.item
).wait_for_completion
rescue StandardError => e
if !e.message.start_with?('ManagedObjectNotFound') &&
!e.message.start_with?('FileNotFound')
raise e
end
end
end
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#delete_virtual_disk(img_name) ⇒ Object
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# File 'lib/datastore.rb', line 379
def delete_virtual_disk(img_name)
ds_name = self['name']
begin
obtain_vdm.DeleteVirtualDisk_Task(
:name => "[#{ds_name}] #{img_name}",
:datacenter => obtain_dc.item
).wait_for_completion
rescue StandardError => e
if !e.message.start_with?('ManagedObjectNotFound') &&
!e.message.start_with?('FileNotFound')
raise e
end
end
end
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#descriptor?(remote_path) ⇒ Boolean
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# File 'lib/datastore.rb', line 640
def descriptor?(remote_path)
url = generate_file_url(remote_path)
rout, wout = IO.pipe
pid = spawn(CURLBIN,
'-I', '-k', '--noproxy', '*', '-f',
'-b', self['_connection.cookie'],
url,
:out => wout,
:err => '/dev/null')
Process.waitpid(pid, 0)
raise 'read image header failed' unless $?.success?
wout.close
size = rout.readlines.select do |l|
l.downcase.start_with?('content-length')
end[0].downcase.sub('content-length: ', '')
rout.close
size.chomp.to_i < 4096 end
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#dir_empty?(path) ⇒ Boolean
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# File 'lib/datastore.rb', line 503
def dir_empty?(path)
ds_name = self['name']
spec = RbVmomi::VIM::HostDatastoreBrowserSearchSpec.new
search_params = {
'datastorePath' => "[#{ds_name}] #{path}",
'searchSpec' => spec
}
begin
search_task = self['browser']
.SearchDatastoreSubFolders_Task(search_params)
search_task.wait_for_completion
!search_task.info.result.nil? &&
search_task.info.result.length == 1 &&
search_task.info.result.first.file.empty?
rescue StandardError
false
end
end
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#download_file(source_path, target_path) ⇒ Object
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# File 'lib/datastore.rb', line 529
def download_file(source_path, target_path)
@item.download(source_path, target_path)
end
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#download_to_stdout(remote_path) ⇒ Object
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# File 'lib/datastore.rb', line 629
def download_to_stdout(remote_path)
url = generate_file_url(remote_path)
pid = spawn(CURLBIN,
'-k', '--noproxy', '*', '-f',
'-b', self['_connection.cookie'],
url)
Process.waitpid(pid, 0)
raise 'download failed' unless $?.success? end
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#generate_file_url(path) ⇒ Object
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# File 'lib/datastore.rb', line 611
def generate_file_url(path)
if self['_connection.http.use_ssl?']
protocol = 'https://'
else
protocol = 'http://'
end
hostname = self['_connection.http.address']
port = self['_connection.http.port']
dcpath = dc_path
url_path = "folder/#{path}?dcPath=#{dcpath}&dsName=#{self['name']}"
url = "#{protocol}#{hostname}:#{port}/#{url_path}"
URI.escape(url) end
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#get_search_params(ds_name, img_path = nil, img_name = nil) ⇒ Object
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# File 'lib/datastore.rb', line 566
def get_search_params(ds_name, img_path = nil, img_name = nil)
spec = RbVmomi::VIM::HostDatastoreBrowserSearchSpec.new
vmdisk_query = RbVmomi::VIM::VmDiskFileQuery.new
vmdisk_query.details = RbVmomi::VIM::VmDiskFileQueryFlags(
:diskType => true,
:capacityKb => true,
:hardwareVersion => true,
:controllerType => true
)
spec.query = [vmdisk_query,
RbVmomi::VIM::IsoImageFileQuery.new]
spec.details = RbVmomi::VIM::FileQueryFlags(
:fileOwner => true,
:fileSize => true,
:fileType => true,
:modification => true
)
if img_name.nil?
spec.matchPattern = []
else
spec.matchPattern = [img_name]
end
datastore_path = "[#{ds_name}]"
datastore_path << " #{img_path}" unless img_path.nil?
{ 'datastorePath' => datastore_path,
'searchSpec' => spec }
end
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#get_text_file(remote_path) ⇒ Object
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# File 'lib/datastore.rb', line 662
def get_text_file(remote_path)
url = generate_file_url(remote_path)
rout, wout = IO.pipe
pid = spawn CURLBIN, '-k', '--noproxy', '*', '-f',
'-b', self['_connection.cookie'],
url,
:out => wout,
:err => '/dev/null'
Process.waitpid(pid, 0)
raise 'get text file failed' unless $?.success?
wout.close
output = rout.readlines
rout.close
output
end
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#move_virtual_disk(disk, dest_path, dest_dsid, vi_client = nil) ⇒ Object
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# File 'lib/datastore.rb', line 459
def move_virtual_disk(disk, dest_path, dest_dsid, vi_client = nil)
vi_client ||= @vi_client
target_ds = VCenterDriver::VIHelper.one_item(
OpenNebula::Datastore,
dest_dsid,
false
)
target_ds_ref = target_ds['TEMPLATE/VCENTER_DS_REF']
target_ds_vc = VCenterDriver::Datastore
.new_from_ref(
target_ds_ref,
vi_client
)
dest_name = target_ds_vc['name']
target_ds_vc.create_directory(File.dirname(dest_path))
dpath_ds = "[#{dest_name}] #{dest_path}"
orig_path = "[#{self['name']}] #{disk.path}"
move_params = {
:sourceName => orig_path,
:sourceDatacenter => obtain_dc.item,
:destName => dpath_ds,
:force => true
}
obtain_vdm.MoveVirtualDisk_Task(move_params).wait_for_completion
end
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#rm_directory(directory) ⇒ Object
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# File 'lib/datastore.rb', line 490
def rm_directory(directory)
ds_name = self['name']
rm_directory_params = {
:name => "[#{ds_name}] #{directory}",
:datacenter => obtain_dc.item
}
obtain_fm.DeleteDatastoreFile_Task(
rm_directory_params
).wait_for_completion
end
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#stat(img_str) ⇒ Object
Get file size for image handling
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# File 'lib/datastore.rb', line 534
def stat(img_str)
ds_name = self['name']
img_path = File.dirname img_str
img_name = File.basename img_str
search_params = get_search_params(ds_name, img_path, img_name)
begin
search_task = self['browser']
.SearchDatastoreSubFolders_Task(search_params)
search_task.wait_for_completion
size = search_task
.info.result[0].file[0].capacityKb / 1024 rescue nil
size ||= search_task
.info
.result[0].file[0].fileSize / 1024 / 1024 rescue nil
raise 'Could not get file size or capacity' if size.nil?
size
rescue StandardError
raise 'Could not find file.'
end
end
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#upload_file(source_path, target_path) ⇒ Object
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# File 'lib/datastore.rb', line 525
def upload_file(source_path, target_path)
@item.upload(target_path, source_path)
end
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