def _vm_update_access_metadata(self, dom, params):
users = groups = None
if "users" in params:
users = params["users"]
invalid_users = set(users) - set(self.users.get_list())
if len(invalid_users) != 0:
raise InvalidParameter("KCHVM0027E",
{'users': ", ".join(invalid_users)})
if "groups" in params:
groups = params["groups"]
invalid_groups = set(groups) - set(self.groups.get_list())
if len(invalid_groups) != 0:
raise InvalidParameter("KCHVM0028E",
{'groups': ", ".join(invalid_groups)})
if users is None and groups is None:
return
access_xml = (get_metadata_node(dom, "access")
or """<access></access>""")
old_users = xpath_get_text(access_xml, "/access/user")
old_groups = xpath_get_text(access_xml, "/access/group")
users = old_users if users is None else users
groups = old_groups if groups is None else groups
node = self._build_access_elem(users, groups)
set_metadata_node(dom, node)
def _vm_update_access_metadata(self, dom, params):
users = groups = None
if "users" in params:
users = params["users"]
invalid_users = set(users) - set(self.users.get_list())
if len(invalid_users) != 0:
raise InvalidParameter("KCHVM0027E",
{'users': ", ".join(invalid_users)})
if "groups" in params:
groups = params["groups"]
invalid_groups = set(groups) - set(self.groups.get_list())
if len(invalid_groups) != 0:
raise InvalidParameter("KCHVM0028E",
{'groups': ", ".join(invalid_groups)})
if users is None and groups is None:
return
access_xml = (get_metadata_node(dom, "access") or
"""<access></access>""")
old_users = xpath_get_text(access_xml, "/access/user")
old_groups = xpath_get_text(access_xml, "/access/group")
users = old_users if users is None else users
groups = old_groups if groups is None else groups
node = self._build_access_elem(users, groups)
set_metadata_node(dom, node)
def lookup(self, name):
dom = self.get_vm(name, self.conn)
info = dom.info()
state = DOM_STATE_MAP[info[0]]
screenshot = None
# (type, listen, port, passwd, passwdValidTo)
graphics = self._vm_get_graphics(name)
graphics_port = graphics[2]
graphics_port = graphics_port if state == 'running' else None
try:
if state == 'running' and self._has_video(dom):
screenshot = self.vmscreenshot.lookup(name)
elif state == 'shutoff':
# reset vm stats when it is powered off to avoid sending
# incorrect (old) data
stats[dom.UUIDString()] = {}
except NotFoundError:
pass
with self.objstore as session:
try:
extra_info = session.get('vm', dom.UUIDString())
except NotFoundError:
extra_info = {}
icon = extra_info.get('icon')
vm_stats = stats.get(dom.UUIDString(), {})
res = {}
res['cpu_utilization'] = vm_stats.get('cpu', 0)
res['net_throughput'] = vm_stats.get('net_io', 0)
res['net_throughput_peak'] = vm_stats.get('max_net_io', 100)
res['io_throughput'] = vm_stats.get('disk_io', 0)
res['io_throughput_peak'] = vm_stats.get('max_disk_io', 100)
access_xml = (get_metadata_node(dom, "access") or
"""<access></access>""")
users = xpath_get_text(access_xml, "/access/user")
groups = xpath_get_text(access_xml, "/access/group")
return {'name': name,
'state': state,
'stats': res,
'uuid': dom.UUIDString(),
'memory': info[2] >> 10,
'cpus': info[3],
'screenshot': screenshot,
'icon': icon,
# (type, listen, port, passwd, passwdValidTo)
'graphics': {"type": graphics[0],
"listen": graphics[1],
"port": graphics_port,
"passwd": graphics[3],
"passwdValidTo": graphics[4]},
'users': users,
'groups': groups,
'access': 'full',
'persistent': True if dom.isPersistent() else False
}
def lookup(self, name):
dom = self.get_vm(name, self.conn)
info = dom.info()
state = DOM_STATE_MAP[info[0]]
screenshot = None
graphics = self._vm_get_graphics(name)
graphics_type, graphics_listen, graphics_port = graphics
graphics_port = graphics_port if state == 'running' else None
try:
if state == 'running' and self._has_video(dom):
screenshot = self.vmscreenshot.lookup(name)
elif state == 'shutoff':
# reset vm stats when it is powered off to avoid sending
# incorrect (old) data
stats[dom.UUIDString()] = {}
except NotFoundError:
pass
with self.objstore as session:
try:
extra_info = session.get('vm', dom.UUIDString())
except NotFoundError:
extra_info = {}
icon = extra_info.get('icon')
vm_stats = stats.get(dom.UUIDString(), {})
res = {}
res['cpu_utilization'] = vm_stats.get('cpu', 0)
res['net_throughput'] = vm_stats.get('net_io', 0)
res['net_throughput_peak'] = vm_stats.get('max_net_io', 100)
res['io_throughput'] = vm_stats.get('disk_io', 0)
res['io_throughput_peak'] = vm_stats.get('max_disk_io', 100)
access_xml = (get_metadata_node(dom, "access")
or """<access></access>""")
users = xpath_get_text(access_xml, "/access/user")
groups = xpath_get_text(access_xml, "/access/group")
return {
'name': name,
'state': state,
'stats': res,
'uuid': dom.UUIDString(),
'memory': info[2] >> 10,
'cpus': info[3],
'screenshot': screenshot,
'icon': icon,
'graphics': {
"type": graphics_type,
"listen": graphics_listen,
"port": graphics_port
},
'users': users,
'groups': groups
}
def _get_access_info(self, dom):
users = groups = list()
access_xml = (get_metadata_node(dom, "access",
self.caps.metadata_support) or
"""<access></access>""")
access_info = dictize(access_xml)
auth = config.get("authentication", "method")
if ('auth' in access_info['access'] and
('type' in access_info['access']['auth'] or
len(access_info['access']['auth']) > 1)):
users = xpath_get_text(access_xml,
"/access/auth[@type='%s']/user" % auth)
groups = xpath_get_text(access_xml,
"/access/auth[@type='%s']/group" % auth)
elif auth == 'pam':
# Compatible to old permission tagging
users = xpath_get_text(access_xml, "/access/user")
groups = xpath_get_text(access_xml, "/access/group")
return users, groups
def _get_access_info(self, dom):
users = groups = list()
access_xml = (get_metadata_node(dom, "access",
self.caps.metadata_support) or
"""<access></access>""")
access_info = dictize(access_xml)
auth = config.get("authentication", "method")
if ('auth' in access_info['access'] and
('type' in access_info['access']['auth'] or
len(access_info['access']['auth']) > 1)):
users = xpath_get_text(access_xml,
"/access/auth[@type='%s']/user" % auth)
groups = xpath_get_text(access_xml,
"/access/auth[@type='%s']/group" % auth)
elif auth == 'pam':
# Compatible to old permission tagging
users = xpath_get_text(access_xml, "/access/user")
groups = xpath_get_text(access_xml, "/access/group")
return users, groups
def _build_access_elem(self, dom, users, groups):
auth = config.get("authentication", "method")
access_xml = get_metadata_node(dom, "access",
self.caps.metadata_support)
auth_elem = None
if not access_xml:
# there is no metadata element 'access'
access_elem = E.access()
else:
access_elem = ET.fromstring(access_xml)
same_auth = access_elem.xpath('./auth[@type="%s"]' % auth)
if len(same_auth) > 0:
# there is already a sub-element 'auth' with the same type;
# update it.
auth_elem = same_auth[0]
if users is not None:
for u in auth_elem.findall('user'):
auth_elem.remove(u)
if groups is not None:
for g in auth_elem.findall('group'):
auth_elem.remove(g)
if auth_elem is None:
# there is no sub-element 'auth' with the same type
# (or no 'auth' at all); create it.
auth_elem = E.auth(type=auth)
access_elem.append(auth_elem)
if users is not None:
for u in users:
auth_elem.append(E.user(u))
if groups is not None:
for g in groups:
auth_elem.append(E.group(g))
return access_elem
def _build_access_elem(self, dom, users, groups):
auth = config.get("authentication", "method")
access_xml = get_metadata_node(dom, "access",
self.caps.metadata_support)
auth_elem = None
if not access_xml:
# there is no metadata element 'access'
access_elem = E.access()
else:
access_elem = ET.fromstring(access_xml)
same_auth = access_elem.xpath('./auth[@type="%s"]' % auth)
if len(same_auth) > 0:
# there is already a sub-element 'auth' with the same type;
# update it.
auth_elem = same_auth[0]
if users is not None:
for u in auth_elem.findall('user'):
auth_elem.remove(u)
if groups is not None:
for g in auth_elem.findall('group'):
auth_elem.remove(g)
if auth_elem is None:
# there is no sub-element 'auth' with the same type
# (or no 'auth' at all); create it.
auth_elem = E.auth(type=auth)
access_elem.append(auth_elem)
if users is not None:
for u in users:
auth_elem.append(E.user(u))
if groups is not None:
for g in groups:
auth_elem.append(E.group(g))
return access_elem
def vm_get_os_metadata(dom):
os_xml = get_metadata_node(dom, "os") or """<os></os>"""
os_elem = ET.fromstring(os_xml)
return (os_elem.attrib.get("version"), os_elem.attrib.get("distro"))
def vm_get_os_metadata(dom, metadata_support):
os_xml = (get_metadata_node(dom, "os", metadata_support) or
"""<os></os>""")
os_elem = ET.fromstring(os_xml)
return (os_elem.attrib.get("version"), os_elem.attrib.get("distro"))
