diff options
| author | Johannes Erdfelt <johannes.erdfelt@rackspace.com> | 2011-09-14 15:00:26 +0000 |
|---|---|---|
| committer | Johannes Erdfelt <johannes.erdfelt@rackspace.com> | 2011-09-14 15:00:26 +0000 |
| commit | ed0d8bfd0fd7bbe81dd5e39683ec3e90fc86c16c (patch) | |
| tree | 3dbcaf19668c72e3226244eed89685de1f42fe92 /nova/virt | |
| parent | 542ea00d6fd22253f50d8bd5fd5319aa42ba9e04 (diff) | |
| parent | 7f1a0a05ec32ecb07c3a5f2286f841c4abc8f5e0 (diff) | |
Merge with trunk
Diffstat (limited to 'nova/virt')
| -rw-r--r-- | nova/virt/disk.py | 41 | ||||
| -rw-r--r-- | nova/virt/libvirt/connection.py | 23 | ||||
| -rw-r--r-- | nova/virt/xenapi/vmops.py | 12 |
3 files changed, 73 insertions, 3 deletions
diff --git a/nova/virt/disk.py b/nova/virt/disk.py index cd3422829..9fe164cfb 100644 --- a/nova/virt/disk.py +++ b/nova/virt/disk.py @@ -52,6 +52,47 @@ flags.DEFINE_integer('timeout_nbd', 10, flags.DEFINE_integer('max_nbd_devices', 16, 'maximum number of possible nbd devices') +# NOTE(yamahata): DEFINE_list() doesn't work because the command may +# include ','. For example, +# mkfs.ext3 -O dir_index,extent -E stride=8,stripe-width=16 +# --label %(fs_label)s %(target)s +# +# DEFINE_list() parses its argument by +# [s.strip() for s in argument.split(self._token)] +# where self._token = ',' +# No escape nor exceptional handling for ','. +# DEFINE_list() doesn't give us what we need. +flags.DEFINE_multistring('virt_mkfs', + ['windows=mkfs.ntfs --fast --label %(fs_label)s ' + '%(target)s', + # NOTE(yamahata): vfat case + #'windows=mkfs.vfat -n %(fs_label)s %(target)s', + 'linux=mkfs.ext3 -L %(fs_label)s -F %(target)s', + 'default=mkfs.ext3 -L %(fs_label)s -F %(target)s'], + 'mkfs commands for ephemeral device. The format is' + '<os_type>=<mkfs command>') + + +_MKFS_COMMAND = {} +_DEFAULT_MKFS_COMMAND = None + + +for s in FLAGS.virt_mkfs: + # NOTE(yamahata): mkfs command may includes '=' for its options. + # So item.partition('=') doesn't work here + os_type, mkfs_command = s.split('=', 1) + if os_type: + _MKFS_COMMAND[os_type] = mkfs_command + if os_type == 'default': + _DEFAULT_MKFS_COMMAND = mkfs_command + + +def mkfs(os_type, fs_label, target): + mkfs_command = (_MKFS_COMMAND.get(os_type, _DEFAULT_MKFS_COMMAND) or + '') % locals() + if mkfs_command: + utils.execute(*mkfs_command.split()) + def extend(image, size): """Increase image to size""" diff --git a/nova/virt/libvirt/connection.py b/nova/virt/libvirt/connection.py index f591ce02c..18e643ea8 100644 --- a/nova/virt/libvirt/connection.py +++ b/nova/virt/libvirt/connection.py @@ -38,6 +38,7 @@ Supports KVM, LXC, QEMU, UML, and XEN. """ import hashlib +import functools import multiprocessing import netaddr import os @@ -466,7 +467,7 @@ class LibvirtConnection(driver.ComputeDriver): shutil.rmtree(temp_dir) @exception.wrap_exception() - def reboot(self, instance, network_info): + def reboot(self, instance, network_info, reboot_type): """Reboot a virtual machine, given an instance reference. This method actually destroys and re-creates the domain to ensure the @@ -778,6 +779,10 @@ class LibvirtConnection(driver.ComputeDriver): if fs_format: utils.execute('mkfs', '-t', fs_format, target) + def _create_ephemeral(self, target, local_size, fs_label, os_type): + self._create_local(target, local_size) + disk.mkfs(os_type, fs_label, target) + def _create_swap(self, target, swap_gb): """Create a swap file of specified size""" self._create_local(target, swap_gb) @@ -866,9 +871,13 @@ class LibvirtConnection(driver.ComputeDriver): local_size=local_gb) for eph in driver.block_device_info_get_ephemerals(block_device_info): - self._cache_image(fn=self._create_local, + fn = functools.partial(self._create_ephemeral, + fs_label='ephemeral%d' % eph['num'], + os_type=inst.os_type) + self._cache_image(fn=fn, target=basepath(_get_eph_disk(eph)), - fname="local_%s" % eph['size'], + fname="ephemeral_%s_%s_%s" % + (eph['num'], eph['size'], inst.os_type), cow=FLAGS.use_cow_images, local_size=eph['size']) @@ -1102,6 +1111,11 @@ class LibvirtConnection(driver.ComputeDriver): nova_context.get_admin_context(), instance['id'], {'root_device_name': '/dev/' + self.default_root_device}) + if local_device: + db.instance_update( + nova_context.get_admin_context(), instance['id'], + {'default_local_device': '/dev/' + self.default_local_device}) + swap = driver.block_device_info_get_swap(block_device_info) if driver.swap_is_usable(swap): xml_info['swap_device'] = block_device.strip_dev( @@ -1110,6 +1124,9 @@ class LibvirtConnection(driver.ComputeDriver): not self._volume_in_mapping(self.default_swap_device, block_device_info)): xml_info['swap_device'] = self.default_swap_device + db.instance_update( + nova_context.get_admin_context(), instance['id'], + {'default_swap_device': '/dev/' + self.default_swap_device}) config_drive = False if instance.get('config_drive') or instance.get('config_drive_id'): diff --git a/nova/virt/xenapi/vmops.py b/nova/virt/xenapi/vmops.py index 5ba62d63e..8ad5ba877 100644 --- a/nova/virt/xenapi/vmops.py +++ b/nova/virt/xenapi/vmops.py @@ -253,6 +253,8 @@ class VMOps(object): self.create_vifs(vm_ref, instance, network_info) self.inject_network_info(instance, network_info, vm_ref) + self.inject_hostname(instance, vm_ref, instance['hostname']) + return vm_ref def _attach_disks(self, instance, disk_image_type, vm_ref, first_vdi_ref, @@ -1168,6 +1170,16 @@ class VMOps(object): resp = self._make_plugin_call('agent', 'resetnetwork', instance, '', args, vm_ref) + def inject_hostname(self, instance, vm_ref, hostname): + """Inject the hostname of the instance into the xenstore.""" + if instance.os_type == "windows": + # NOTE(jk0): Windows hostnames can only be <= 15 chars. + hostname = hostname[:15] + + logging.debug(_("injecting hostname to xs for vm: |%s|"), vm_ref) + self._session.call_xenapi_request("VM.add_to_xenstore_data", + (vm_ref, "vm-data/hostname", hostname)) + def list_from_xenstore(self, vm, path): """ Runs the xenstore-ls command to get a listing of all records |
