def copy_data(self, path):
if self.cancelled:
return
out, err = utils.execute(
"ls", "-pA1", "--group-directories-first", path,
run_as_root=True)
for line in out.split('\n'):
if self.cancelled:
return
if len(line) == 0:
continue
src_item = os.path.join(path, line)
dest_item = src_item.replace(self.src, self.dest)
if line[-1] == '/':
if line[0:-1] in self.ignore_list:
continue
utils.execute("mkdir", "-p", dest_item, run_as_root=True)
self.copy_data(src_item)
else:
if line in self.ignore_list:
continue
size, err = utils.execute("stat", "-c", "%s", src_item,
run_as_root=True)
self.current_copy = {'file_path': dest_item,
'size': int(size)}
self._copy_and_validate(src_item, dest_item)
self.current_size += int(size)
LOG.info(six.text_type(self.get_progress()))
def _change_file_mode(self, filepath):
try:
utils.execute("chmod", "666", filepath, run_as_root=True)
except Exception as err:
LOG.error(_LE("Bad response from change file: %s.") % err)
raise err
def _publish_local_config(configpath, pre_lines, exports):
tmp_path = '%s.tmp.%s' % (configpath, time.time())
LOG.debug("tmp_path = %s", tmp_path)
cpcmd = ['install', '-m', '666', configpath, tmp_path]
try:
utils.execute(*cpcmd, run_as_root=True)
except exception.ProcessExecutionError as e:
msg = (_('Failed while publishing ganesha config locally. '
'Error: %s.') % six.text_type(e))
LOG.error(msg)
raise exception.GPFSGaneshaException(msg)
with open(tmp_path, 'w+') as f:
for l in pre_lines:
f.write('%s\n' % l)
for e in exports:
f.write('EXPORT\n{\n')
for attr in exports[e]:
f.write('%s = %s ;\n' % (attr, exports[e][attr]))
f.write('}\n')
mvcmd = ['mv', tmp_path, configpath]
try:
utils.execute(*mvcmd, run_as_root=True)
except exception.ProcessExecutionError as e:
msg = (_('Failed while publishing ganesha config locally. '
'Error: %s.') % six.text_type(e))
LOG.error(msg)
raise exception.GPFSGaneshaException(msg)
LOG.info(_LI('Ganesha config %s published locally.'), configpath)
def reload_ganesha_config(servers, sshlogin, service='ganesha.nfsd'):
"""Request ganesha server reload updated config."""
# Note: dynamic reload of ganesha config is not enabled
# in ganesha v2.0. Therefore, the code uses the ganesha service restart
# option to make sure the config changes are reloaded
for server in servers:
# Until reload is fully implemented and if the reload returns a bad
# status revert to service restart instead
LOG.info(_LI('Restart service %(service)s on %(server)s to force a '
'config file reload'),
{'service': service, 'server': server})
run_local = True
reload_cmd = ['service', service, 'restart']
localserver_iplist = socket.gethostbyname_ex(
socket.gethostname())[2]
if server not in localserver_iplist:
remote_login = sshlogin + '@' + server
reload_cmd = ['ssh', remote_login] + reload_cmd
run_local = False
try:
utils.execute(*reload_cmd, run_as_root=run_local)
except exception.ProcessExecutionError as e:
msg = (_('Could not restart service %(service)s on '
'%(server)s: %(excmsg)s')
% {'service': service,
'server': server,
'excmsg': six.text_type(e)})
LOG.error(msg)
raise exception.GPFSGaneshaException(msg)
def _change_file_mode(self, filepath):
try:
utils.execute('chmod', '666', filepath, run_as_root=True)
except Exception as err:
LOG.error(_LE('Bad response from change file: %s.') % err)
raise err
def _validate_item(src_item, dest_item):
src_sum, err = utils.execute(
"sha256sum", "%s" % src_item, run_as_root=True)
dest_sum, err = utils.execute(
"sha256sum", "%s" % dest_item, run_as_root=True)
if src_sum.split()[0] != dest_sum.split()[0]:
msg = _("Data corrupted while copying. Aborting data copy.")
raise exception.ShareDataCopyFailed(reason=msg)
def cleanup_unmount_temp_folder(self, instance, migration_info):
try:
utils.execute(*migration_info['umount'], run_as_root=True)
except Exception as utfe:
LOG.exception(six.text_type(utfe))
LOG.error(_LE("Could not unmount folder of instance"
" %(instance_id)s for migration of "
"share %(share_id)s") % {
'instance_id': instance['id'],
'share_id': self.share['id']})
def mount_share_instance(self, mount_template, mount_path,
share_instance_id):
path = os.path.join(mount_path, share_instance_id)
if not os.path.exists(path):
os.makedirs(path)
self._check_dir_exists(path)
mount_command = mount_template % {'path': path}
utils.execute(*(mount_command.split()), run_as_root=True)
def cleanup_temp_folder(self, instance, mount_path):
try:
utils.execute('rmdir', mount_path + instance['id'],
check_exit_code=False)
except Exception as tfe:
LOG.exception(six.text_type(tfe))
LOG.error(_LE("Could not cleanup instance %(instance_id)s "
"temporary folders for migration of "
"share %(share_id)s") % {
'instance_id': instance['id'],
'share_id': self.share['id']})
def _ovs_add_port(self, bridge, device_name, port_id, mac_address,
internal=True):
cmd = ['ovs-vsctl', '--', '--may-exist',
'add-port', bridge, device_name]
if internal:
cmd += ['--', 'set', 'Interface', device_name, 'type=internal']
cmd += ['--', 'set', 'Interface', device_name,
'external-ids:iface-id=%s' % port_id,
'--', 'set', 'Interface', device_name,
'external-ids:iface-status=active',
'--', 'set', 'Interface', device_name,
'external-ids:attached-mac=%s' % mac_address]
utils.execute(*cmd, run_as_root=True)
def _publish_remote_config(server, sshlogin, sshkey, configpath):
dest = '%s@%s:%s' % (sshlogin, server, configpath)
scpcmd = ['scp', '-i', sshkey, configpath, dest]
try:
utils.execute(*scpcmd, run_as_root=False)
except exception.ProcessExecutionError as e:
msg = (_('Failed while publishing ganesha config on remote server. '
'Error: %s.') % six.text_type(e))
LOG.error(msg)
raise exception.GPFSGaneshaException(msg)
LOG.info(_LI('Ganesha config %(path)s published to %(server)s.'),
{'path': configpath,
'server': server})
def unmount_share_instance(self, unmount_template, mount_path,
share_instance_id):
path = os.path.join(mount_path, share_instance_id)
unmount_command = unmount_template % {'path': path}
utils.execute(*(unmount_command.split()), run_as_root=True)
try:
if os.path.exists(path):
os.rmdir(path)
self._check_dir_not_exists(path)
except Exception:
LOG.warning(_LW("Folder %s could not be removed."), path)
def _publish_access(self, *cmd):
for server in self.configuration.gpfs_nfs_server_list:
localserver_iplist = socket.gethostbyname_ex(
socket.gethostname())[2]
run_local = True
if server not in localserver_iplist:
sshlogin = self.configuration.gpfs_ssh_login
remote_login = sshlogin + '@' + server
cmd = ['ssh', remote_login] + list(cmd)
run_local = False
try:
utils.execute(*cmd,
run_as_root=run_local,
check_exit_code=True)
except exception.ProcessExecutionError:
raise
def run_vsctl(self, args):
full_args = ["ovs-vsctl", "--timeout=2"] + args
try:
return utils.execute(*full_args, run_as_root=True)
except Exception as e:
LOG.error(_("Unable to execute %(cmd)s. Exception: %(exception)s"),
{'cmd': full_args, 'exception': e})
def _execute(self, *cmd, **kwargs):
for x in range(0, len(self.hosts)):
try:
check_exit_code = kwargs.pop('check_exit_code', True)
host = self.hosts[x]
if host in self.local_hosts:
cmd = self._as_user(cmd,
self.configuration.maprfs_ssh_name)
out, err = utils.execute(*cmd,
check_exit_code=check_exit_code)
else:
out, err = self._run_ssh(host, cmd, check_exit_code)
# move available cldb host to the beginning
if x > 0:
self.hosts[0], self.hosts[x] = self.hosts[x], self.hosts[0]
return out, err
except exception.ProcessExecutionError as e:
if self._check_error(e):
raise
elif x < len(self.hosts) - 1:
msg = ('Error running SSH command. Trying another host')
LOG.error(msg)
else:
raise
except Exception as e:
if x < len(self.hosts) - 1:
msg = ('Error running SSH command. Trying another host')
LOG.error(msg)
else:
raise exception.ProcessExecutionError(six.text_type(e))
def _mount_for_migration(migration_info):
try:
utils.execute(*migration_info['mount'], run_as_root=True)
except Exception:
LOG.error(_LE("Failed to mount temporary folder for "
"migration of share instance "
"%(share_instance_id)s "
"to %(new_share_instance_id)s") % {
'share_instance_id': share_instance['id'],
'new_share_instance_id': new_share_instance['id']})
helper.cleanup_migration_access(
src_access_ref, src_access)
helper.cleanup_migration_access(
dest_access_ref, dest_access)
raise
def get_progress(self):
if self.current_copy is not None:
try:
size, err = utils.execute("stat", "-c", "%s",
self.current_copy['file_path'],
run_as_root=True)
size = int(size)
except utils.processutils.ProcessExecutionError:
size = 0
total_progress = 0
if self.total_size > 0:
total_progress = self.current_size * 100 / self.total_size
current_file_progress = 0
if self.current_copy['size'] > 0:
current_file_progress = size * 100 / self.current_copy['size']
current_file_path = self.current_copy['file_path']
progress = {
'total_progress': total_progress,
'current_file_path': current_file_path,
'current_file_progress': current_file_progress
}
return progress
else:
return {'total_progress': 100}
def run_vsctl(self, args):
full_args = ["ovs-vsctl", "--timeout=2"] + args
try:
return utils.execute(*full_args, run_as_root=True)
except Exception:
LOG.exception(_LE("Unable to execute %(cmd)s."),
{'cmd': full_args})
def _execute(cls, options, command, args, namespace=None, as_root=False):
opt_list = ['-%s' % o for o in options]
if namespace:
ip_cmd = ['ip', 'netns', 'exec', namespace, 'ip']
else:
ip_cmd = ['ip']
total_cmd = ip_cmd + opt_list + [command] + list(args)
return utils.execute(*total_cmd, run_as_root=as_root)[0]
def _execute(cls, options, command, args, namespace=None, as_root=False):
opt_list = ["-%s" % o for o in options]
if namespace:
ip_cmd = ["ip", "netns", "exec", namespace, "ip"]
else:
ip_cmd = ["ip"]
total_cmd = ip_cmd + opt_list + [command] + list(args)
return utils.execute(*total_cmd, run_as_root=as_root)[0]
def _gpfs_local_execute(self, *cmd, **kwargs):
if 'run_as_root' not in kwargs:
kwargs.update({'run_as_root': True})
if 'ignore_exit_code' in kwargs:
check_exit_code = kwargs.pop('ignore_exit_code')
check_exit_code.append(0)
kwargs.update({'check_exit_code': check_exit_code})
return utils.execute(*cmd, **kwargs)
def _ipv6_configured():
try:
out, err = utils.execute('cat', '/proc/net/if_inet6')
except exception.ProcessExecutionError:
return False
if not out:
return False
return True
def mount_share_instance(self, mount_template, mount_path,
share_instance):
path = os.path.join(mount_path, share_instance['id'])
options = CONF.data_node_mount_options
options = {k.lower(): v for k, v in options.items()}
proto_options = options.get(share_instance['share_proto'].lower())
if not proto_options:
proto_options = ''
if not os.path.exists(path):
os.makedirs(path)
self._check_dir_exists(path)
mount_command = mount_template % {'path': path,
'options': proto_options}
utils.execute(*(mount_command.split()), run_as_root=True)
def execute(self, cmds, addl_env={}, check_exit_code=True):
if not self._parent.namespace:
raise Exception(_('No namespace defined for parent'))
else:
env_params = []
if addl_env:
env_params = (['env'] +
['%s=%s' % pair for pair in addl_env.items()])
total_cmd = ['ip', 'netns', 'exec', self._parent.namespace] + \
env_params + list(cmds)
return utils.execute(*total_cmd, run_as_root=True,
check_exit_code=check_exit_code)
def execute(self, cmds, addl_env=None, check_exit_code=True):
if addl_env is None:
addl_env = dict()
if not self._parent.namespace:
raise Exception(_("No namespace defined for parent"))
else:
env_params = []
if addl_env:
env_params = ["env"] + ["%s=%s" % pair for pair in sorted(addl_env.items())]
total_cmd = ["ip", "netns", "exec", self._parent.namespace] + env_params + list(cmds)
return utils.execute(*total_cmd, run_as_root=True, check_exit_code=check_exit_code)
def get_total_size(self, path):
if self.cancelled:
return
out, err = utils.execute(
"ls", "-pA1", "--group-directories-first", path,
run_as_root=True)
for line in out.split('\n'):
if self.cancelled:
return
if len(line) == 0:
continue
src_item = os.path.join(path, line)
if line[-1] == '/':
if line[0:-1] in self.ignore_list:
continue
self.get_total_size(src_item)
else:
if line in self.ignore_list:
continue
size, err = utils.execute("stat", "-c", "%s", src_item,
run_as_root=True)
self.total_size += int(size)
def test_no_retry_on_success(self):
fd, tmpfilename = tempfile.mkstemp()
_, tmpfilename2 = tempfile.mkstemp()
try:
fp = os.fdopen(fd, 'w+')
fp.write('''#!/bin/sh
# If we've already run, bail out.
grep -q foo "$1" && exit 1
# Mark that we've run before.
echo foo > "$1"
# Check that stdin gets passed correctly.
grep foo
''')
fp.close()
os.chmod(tmpfilename, 0o755)
utils.execute(tmpfilename,
tmpfilename2,
process_input='foo',
attempts=2)
finally:
os.unlink(tmpfilename)
os.unlink(tmpfilename2)
def execute(self, cmds, addl_env=None, check_exit_code=True):
if addl_env is None:
addl_env = dict()
if not self._parent.namespace:
raise Exception(_('No namespace defined for parent'))
else:
env_params = []
if addl_env:
env_params = (['env'] + ['%s=%s' % pair
for pair in sorted(addl_env.items())])
total_cmd = (['ip', 'netns', 'exec', self._parent.namespace] +
env_params + list(cmds))
return utils.execute(*total_cmd, run_as_root=True,
check_exit_code=check_exit_code)
def _publish_access(self, *cmd, **kwargs):
check_exit_code = kwargs.get('check_exit_code', True)
outs = []
localserver_iplist = socket.gethostbyname_ex(socket.gethostname())[2]
for server in self.configuration.gpfs_nfs_server_list:
if server in localserver_iplist:
run_command = cmd
run_local = True
else:
sshlogin = self.configuration.gpfs_ssh_login
remote_login = sshlogin + '@' + server
run_command = ['ssh', remote_login] + list(cmd)
run_local = False
try:
out = utils.execute(*run_command,
run_as_root=run_local,
check_exit_code=check_exit_code)
except exception.ProcessExecutionError:
raise
outs.append(out)
return outs
def get_progress(self):
# Empty share or empty contents
if self.completed and self.total_size == 0:
return {'total_progress': 100}
if not self.initialized or self.current_copy is None:
return {'total_progress': 0}
try:
size, err = utils.execute("stat",
"-c",
"%s",
self.current_copy['file_path'],
run_as_root=True)
size = int(size)
except utils.processutils.ProcessExecutionError:
size = 0
current_file_progress = 0
if self.current_copy['size'] > 0:
current_file_progress = size * 100 / self.current_copy['size']
current_file_path = self.current_copy['file_path']
total_progress = 0
if self.total_size > 0:
if current_file_progress == 100:
size = 0
total_progress = int(
(self.current_size + size) * 100 / self.total_size)
progress = {
'total_progress': total_progress,
'current_file_path': current_file_path,
'current_file_progress': current_file_progress
}
return progress
def get_progress(self):
# Empty share or empty contents
if self.completed and self.total_size == 0:
return {'total_progress': 100}
if not self.initialized or self.current_copy is None:
return {'total_progress': 0}
try:
size, err = utils.execute("stat", "-c", "%s",
self.current_copy['file_path'],
run_as_root=True)
size = int(size)
except utils.processutils.ProcessExecutionError:
size = 0
current_file_progress = 0
if self.current_copy['size'] > 0:
current_file_progress = size * 100 / self.current_copy['size']
current_file_path = self.current_copy['file_path']
total_progress = 0
if self.total_size > 0:
if current_file_progress == 100:
size = 0
total_progress = int((self.current_size + size) *
100 / self.total_size)
progress = {
'total_progress': total_progress,
'current_file_path': current_file_path,
'current_file_progress': current_file_progress
}
return progress
def copy_data(self, path):
if self.cancelled:
return
out, err = utils.execute("ls",
"-pA1",
"--group-directories-first",
path,
run_as_root=True)
for line in out.split('\n'):
if self.cancelled:
return
if len(line) == 0:
continue
src_item = os.path.join(path, line)
dest_item = src_item.replace(self.src, self.dest)
if line[-1] == '/':
if line[0:-1] in self.ignore_list:
continue
utils.execute("mkdir", "-p", dest_item, run_as_root=True)
self.copy_data(src_item)
else:
if line in self.ignore_list:
continue
size, err = utils.execute("stat",
"-c",
"%s",
src_item,
run_as_root=True)
self.current_copy = {'file_path': dest_item, 'size': int(size)}
utils.execute("cp",
"-P",
"--preserve=all",
src_item,
dest_item,
run_as_root=True)
self.current_size += int(size)
LOG.info(six.text_type(self.get_progress()))
def _publish_local_config(configpath, pre_lines, exports):
tmp_path = '%s.tmp.%s' % (configpath, time.time())
LOG.debug("tmp_path = %s", tmp_path)
cpcmd = ['cp', configpath, tmp_path]
try:
utils.execute(*cpcmd, run_as_root=True)
except exception.ProcessExecutionError as e:
msg = (_('Failed while publishing ganesha config locally. '
'Error: %s.') % six.text_type(e))
LOG.error(msg)
raise exception.GPFSGaneshaException(msg)
# change permission of the tmp file, so that it can be edited
# by a non-root user
chmodcmd = ['chmod', 'o+w', tmp_path]
try:
utils.execute(*chmodcmd, run_as_root=True)
except exception.ProcessExecutionError as e:
msg = (_('Failed while publishing ganesha config locally. '
'Error: %s.') % six.text_type(e))
LOG.error(msg)
raise exception.GPFSGaneshaException(msg)
with open(tmp_path, 'w+') as f:
for l in pre_lines:
f.write('%s\n' % l)
for e in exports:
f.write('EXPORT\n{\n')
for attr in exports[e]:
f.write('%s = %s ;\n' % (attr, exports[e][attr]))
f.write('}\n')
mvcmd = ['mv', tmp_path, configpath]
try:
utils.execute(*mvcmd, run_as_root=True)
except exception.ProcessExecutionError as e:
msg = (_('Failed while publishing ganesha config locally. '
'Error: %s.') % six.text_type(e))
LOG.error(msg)
raise exception.GPFSGaneshaException(msg)
LOG.info(_LI('Ganesha config %s published locally.'), configpath)
def copy_stats(self, path):
if self.cancelled:
return
out, err = utils.execute(
"ls", "-pA1", "--group-directories-first", path,
run_as_root=True)
for line in out.split('\n'):
if self.cancelled:
return
if len(line) == 0:
continue
src_item = os.path.join(path, line)
dest_item = src_item.replace(self.src, self.dest)
# NOTE(ganso): Should re-apply attributes for folders.
if line[-1] == '/':
if line[0:-1] in self.ignore_list:
continue
self.copy_stats(src_item)
utils.execute("chmod", "--reference=%s" % src_item, dest_item,
run_as_root=True)
utils.execute("touch", "--reference=%s" % src_item, dest_item,
run_as_root=True)
utils.execute("chown", "--reference=%s" % src_item, dest_item,
run_as_root=True)
def run_vsctl(self, args):
full_args = ["ovs-vsctl", "--timeout=2"] + args
try:
return utils.execute(*full_args, run_as_root=True)
except Exception:
LOG.exception("Unable to execute %(cmd)s.", {'cmd': full_args})
def copy_share_data(self, context, helper, share, share_instance,
share_server, new_share_instance, new_share_server,
migration_info_src, migration_info_dest):
# NOTE(ganso): This method is here because it is debatable if it can
# be overridden by a driver or not. Personally I think it should not,
# else it would be possible to lose compatibility with generic
# migration between backends, but allows the driver to use it on its
# own implementation if it wants to.
migrated = False
mount_path = self.configuration.safe_get('migration_tmp_location')
src_access = migration_info_src['access']
dest_access = migration_info_dest['access']
if None in (src_access['access_to'], dest_access['access_to']):
msg = _("Access rules not appropriate for mounting share instances"
" for migration of share %(share_id)s,"
" source share access: %(src_ip)s, destination share"
" access: %(dest_ip)s. Aborting.") % {
'src_ip': src_access['access_to'],
'dest_ip': dest_access['access_to'],
'share_id': share['id']
}
raise exception.ShareMigrationFailed(reason=msg)
# NOTE(ganso): Removing any previously conflicting access rules, which
# would cause the following access_allow to fail for one instance.
helper.deny_migration_access(None, src_access, False)
helper.deny_migration_access(None, dest_access, False)
# NOTE(ganso): I would rather allow access to instances separately,
# but I require an access_id since it is a new access rule and
# destination manager must receive an access_id. I can either move
# this code to manager code so I can create the rule in DB manually,
# or ignore duplicate access rule errors for some specific scenarios.
try:
src_access_ref = helper.allow_migration_access(src_access)
except Exception as e:
LOG.error(
_LE("Share migration failed attempting to allow "
"access of %(access_to)s to share "
"instance %(instance_id)s.") % {
'access_to': src_access['access_to'],
'instance_id': share_instance['id']
})
msg = six.text_type(e)
LOG.exception(msg)
raise exception.ShareMigrationFailed(reason=msg)
try:
dest_access_ref = helper.allow_migration_access(dest_access)
except Exception as e:
LOG.error(
_LE("Share migration failed attempting to allow "
"access of %(access_to)s to share "
"instance %(instance_id)s.") % {
'access_to': dest_access['access_to'],
'instance_id': new_share_instance['id']
})
msg = six.text_type(e)
LOG.exception(msg)
helper.cleanup_migration_access(src_access_ref, src_access)
raise exception.ShareMigrationFailed(reason=msg)
# NOTE(ganso): From here we have the possibility of not cleaning
# anything when facing an error. At this moment, we have the
# destination instance in "inactive" state, while we are performing
# operations on the source instance. I think it is best to not clean
# the instance, leave it in "inactive" state, but try to clean
# temporary access rules, mounts, folders, etc, since no additional
# harm is done.
def _mount_for_migration(migration_info):
try:
utils.execute(*migration_info['mount'], run_as_root=True)
except Exception:
LOG.error(
_LE("Failed to mount temporary folder for "
"migration of share instance "
"%(share_instance_id)s "
"to %(new_share_instance_id)s") % {
'share_instance_id': share_instance['id'],
'new_share_instance_id': new_share_instance['id']
})
helper.cleanup_migration_access(src_access_ref, src_access)
helper.cleanup_migration_access(dest_access_ref, dest_access)
raise
utils.execute('mkdir', '-p', ''.join(
(mount_path, share_instance['id'])))
utils.execute('mkdir', '-p', ''.join(
(mount_path, new_share_instance['id'])))
# NOTE(ganso): mkdir command sometimes returns faster than it
# actually runs, so we better sleep for 1 second.
time.sleep(1)
try:
_mount_for_migration(migration_info_src)
except Exception as e:
LOG.error(
_LE("Share migration failed attempting to mount "
"share instance %s.") % share_instance['id'])
msg = six.text_type(e)
LOG.exception(msg)
helper.cleanup_temp_folder(share_instance, mount_path)
helper.cleanup_temp_folder(new_share_instance, mount_path)
raise exception.ShareMigrationFailed(reason=msg)
try:
_mount_for_migration(migration_info_dest)
except Exception as e:
LOG.error(
_LE("Share migration failed attempting to mount "
"share instance %s.") % new_share_instance['id'])
msg = six.text_type(e)
LOG.exception(msg)
helper.cleanup_unmount_temp_folder(share_instance,
migration_info_src)
helper.cleanup_temp_folder(share_instance, mount_path)
helper.cleanup_temp_folder(new_share_instance, mount_path)
raise exception.ShareMigrationFailed(reason=msg)
try:
ignore_list = self.configuration.safe_get('migration_ignore_files')
copy = share_utils.Copy(mount_path + share_instance['id'],
mount_path + new_share_instance['id'],
ignore_list)
copy.run()
if copy.get_progress()['total_progress'] == 100:
migrated = True
except Exception as e:
LOG.exception(six.text_type(e))
LOG.error(
_LE("Failed to copy files for "
"migration of share instance %(share_instance_id)s "
"to %(new_share_instance_id)s") % {
'share_instance_id': share_instance['id'],
'new_share_instance_id': new_share_instance['id']
})
# NOTE(ganso): For some reason I frequently get AMQP errors after
# copying finishes, which seems like is the service taking too long to
# copy while not replying heartbeat messages, so AMQP closes the
# socket. There is no impact, it just shows a big trace and AMQP
# reconnects after, although I would like to prevent this situation
# without the use of additional threads. Suggestions welcome.
utils.execute(*migration_info_src['umount'], run_as_root=True)
utils.execute(*migration_info_dest['umount'], run_as_root=True)
utils.execute('rmdir',
''.join((mount_path, share_instance['id'])),
check_exit_code=False)
utils.execute('rmdir',
''.join((mount_path, new_share_instance['id'])),
check_exit_code=False)
helper.deny_migration_access(src_access_ref, src_access)
helper.deny_migration_access(dest_access_ref, dest_access)
if not migrated:
msg = ("Copying from share instance %(instance_id)s "
"to %(new_instance_id)s did not succeed." % {
'instance_id': share_instance['id'],
'new_instance_id': new_share_instance['id']
})
raise exception.ShareMigrationFailed(reason=msg)
LOG.debug("Copying completed in migration for share %s." % share['id'])
def iproute_arg_supported(command, arg):
command += ['help']
stdout, stderr = utils.execute(command, check_exit_code=False,
return_stderr=True)
return any(arg in line for line in stderr.split('\n'))
def _copy_and_validate(self, src_item, dest_item):
utils.execute("cp", "-P", "--preserve=all", src_item,
dest_item, run_as_root=True)
if self.check_hash:
_validate_item(src_item, dest_item)
def _hdfs_local_execute(self, *cmd, **kwargs):
if 'run_as_root' not in kwargs:
kwargs.update({'run_as_root': False})
return utils.execute(*cmd, **kwargs)
def setup(app):
print("**Autodocumenting from %s" % os.path.abspath(os.curdir))
rv = utils.execute('./doc/generate_autodoc_index.sh')
print(rv[0])
