def set_deep_meta_attr(attr, value, rsc_id):
'''
If the referenced rsc is a primitive that belongs to a group,
then set its attribute.
Otherwise, go up to the topmost resource which contains this
resource and set the attribute there (i.e. if the resource is
cloned).
If it's a group then check its children. If any of them has
the attribute set to a value different from the one given,
then ask the user whether to reset them or not (exact
behaviour depends on the value of config.core.manage_children).
'''
target_node = xmlutil.RscState().rsc2node(rsc_id)
if target_node is None:
common_error("resource %s does not exist" % rsc_id)
return False
if target_node.tag == 'tag':
return set_deep_meta_attr_tag(target_node, attr, value)
if not (target_node.tag == "primitive" and
target_node.getparent().tag == "group"):
target_node = xmlutil.get_topmost_rsc(target_node)
if not set_deep_meta_attr_node(target_node, attr, value):
return False
return xmlutil.commit_rsc(target_node)
def check_node(self, node, lvl):
node_id = node.get("id")
if not node_id:
return
if self.id_in_use(node_id):
common_error("id_store: id %s is in use" % node_id)
self.ok = False
return
def check_node(node, lvl):
global ok
node_id = node.get("id")
if not node_id:
return
if id_in_use(node_id):
common_error("id_store: id %s is in use" % node_id)
ok = False
return
def cibdump2elem(section=None):
if section:
cmd = "%s -o %s" % (cib_dump, section)
else:
cmd = cib_dump
rc, outp, errp = sudocall(cmd)
if rc == 0:
return cibtext2elem(outp)
elif rc != constants.cib_no_section_rc:
common_error("running %s: %s" % (cmd, errp))
return None
def cibdump2elem(section=None):
if section:
cmd = "%s -o %s" % (cib_dump, section)
else:
cmd = cib_dump
rc, outp, errp = sudocall(cmd)
if rc == 0:
return cibtext2elem(outp)
elif rc != constants.cib_no_section_rc:
common_error("running %s: %s" % (cmd, errp))
return None
def set_deep_meta_attr(rsc, attr, value, commit=True):
"""
If the referenced rsc is a primitive that belongs to a group,
then set its attribute.
Otherwise, go up to the topmost resource which contains this
resource and set the attribute there (i.e. if the resource is
cloned).
If it's a group then check its children. If any of them has
the attribute set to a value different from the one given,
then ask the user whether to reset them or not (exact
behaviour depends on the value of config.core.manage_children).
"""
def update_obj(obj):
"""
set the meta attribute in the given object
"""
node = obj.node
obj.set_updated()
if not (node.tag == "primitive" and
node.getparent().tag == "group"):
node = xmlutil.get_topmost_rsc(node)
return set_deep_meta_attr_node(node, attr, value)
def flatten(objs):
for obj in objs:
if isinstance(obj, list):
for subobj in obj:
yield subobj
else:
yield obj
def resolve(obj):
if obj.obj_type == 'tag':
return [cib_factory.find_object(o) for o in obj.node.xpath('./obj_ref/@id')]
return obj
objs = cib_factory.find_objects(rsc)
while any(obj for obj in objs if obj.obj_type == 'tag'):
objs = list(flatten(resolve(obj) for obj in objs))
common_debug("set_deep_meta_attr: %s" % (', '.join([obj.obj_id for obj in objs])))
if not objs:
common_error("Resource not found: %s" % (rsc))
return False
ok = all(update_obj(obj) for obj in objs)
if not ok:
common_error("Failed to update meta attributes for %s" % (rsc))
return False
if not commit:
return True
ok = cib_factory.commit()
if not ok:
common_error("Failed to commit updates to %s" % (rsc))
return False
return True
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
try:
(outp, err_outp) = p.communicate()
p.wait()
rc = p.returncode
except IOError, msg:
common_err("running %s: %s" % (cmd, msg))
return None
if rc == 0:
return cibtext2elem(outp)
elif rc == vars.cib_no_section_rc:
return None
else:
common_error("running %s: %s" % (cmd, err_outp))
return None
cib_piped = "cibadmin -p"
def commit_rsc(node):
"Replace a resource definition using cibadmin -R"
xml_processnodes(node, is_emptynvpairs, rmnodes)
xml_processnodes(node, is_emptyops, rmnodes)
rc = pipe_string("%s -R -o %s" % (cib_piped, "resources"),
etree.tostring(node))
return rc == 0
print ".EXT", cmd
p = subprocess.Popen(
cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
try:
(outp, err_outp) = p.communicate()
p.wait()
rc = p.returncode
except IOError, msg:
common_err("running %s: %s" % (cmd, msg))
return None
if rc == 0:
return cibtext2elem(outp)
elif rc == constants.cib_no_section_rc:
return None
else:
common_error("running %s: %s" % (cmd, err_outp))
return None
def read_cib(fun, params=None):
cib_elem = fun(params)
if cib_elem is None or cib_elem.tag != "cib":
return None
return cib_elem
def sanity_check_nvpairs(id, node, attr_list):
rc = 0
for nvpair in node.iterchildren("nvpair"):
n = nvpair.get("name")
if n and not n in attr_list:
def set_deep_meta_attr(rsc, attr, value, commit=True):
"""
If the referenced rsc is a primitive that belongs to a group,
then set its attribute.
Otherwise, go up to the topmost resource which contains this
resource and set the attribute there (i.e. if the resource is
cloned).
If it's a group then check its children. If any of them has
the attribute set to a value different from the one given,
then ask the user whether to reset them or not (exact
behaviour depends on the value of config.core.manage_children).
"""
def update_obj(obj):
"""
set the meta attribute in the given object
"""
node = obj.node
obj.set_updated()
if not (node.tag == "primitive" and
node.getparent().tag == "group"):
node = xmlutil.get_topmost_rsc(node)
return set_deep_meta_attr_node(node, attr, value)
def flatten(objs):
for obj in objs:
if isinstance(obj, list):
for subobj in obj:
yield subobj
else:
yield obj
def resolve(obj):
if obj.obj_type == 'tag':
ret = [cib_factory.find_object(o) for o in obj.node.xpath('./obj_ref/@id')]
ret = [r for r in ret if r is not None]
return ret
return obj
def is_resource(obj):
return xmlutil.is_resource(obj.node)
objs = cib_factory.find_objects(rsc)
if objs is None:
common_error("CIB is not valid!")
return False
while any(obj for obj in objs if obj.obj_type == 'tag'):
objs = list(flatten(resolve(obj) for obj in objs))
objs = filter(is_resource, objs)
common_debug("set_deep_meta_attr: %s" % (', '.join([obj.obj_id for obj in objs])))
if not objs:
common_error("Resource not found: %s" % (rsc))
return False
ok = all(update_obj(obj) for obj in objs)
if not ok:
common_error("Failed to update meta attributes for %s" % (rsc))
return False
if not commit:
return True
ok = cib_factory.commit()
if not ok:
common_error("Failed to commit updates to %s" % (rsc))
return False
return True
