def delete_node(nodename):
rc, stdout, stderr = AgentShell.run_old(["crm_node", "-l"])
node_id = None
for line in stdout.split("\n"):
node_id, name, status = line.split(" ")
if name == nodename:
break
AgentShell.try_run(["crm_node", "--force", "-R", node_id])
cibxpath("delete", '//nodes/node[@uname="{}"]'.format(nodename))
cibxpath("delete", '//status/node_state[@uname="{}"]'.format(nodename))
def unmount_target(uuid):
# This is called by the Target RA from corosync
# only unmount targets that are controlled by chroma:Target
try:
result = cibxpath("query", "//primitive")
except OSError as err:
if err.rc == errno.ENOENT:
exit(-1)
raise err
dom = ET.fromstring(result.stdout)
# Searches for <nvpair name="target" value=uuid> in
# <primitive provider="chroma" type="Target"> in dom
if (next(
(ops for res in dom.findall(".//primitive")
if res.get("provider") == "chroma" and res.get("type") == "Target"
for ops in res.findall(".//nvpair")
if ops.get("name") == "target" and ops.get("value") == uuid),
None,
) is not None):
return
dom.unlink()
info = _get_target_config(uuid)
filesystem = FileSystem(info["backfstype"], info["bdev"])
filesystem.umount()
if agent_result_is_error(export_target(info["device_type"], info["bdev"])):
exit(-1)
def _unconfigure_target_ha(ha_label, force=False):
if force:
extra = ["--force"]
else:
extra = []
if _resource_exists(_group_name(ha_label)):
path = '//group[@id="{}"]'.format(_group_name(ha_label))
else:
path = '//primitive[@id="{}"]'.format(ha_label)
return cibxpath("delete", path, extra)
def _find_resource_constraint(ha_label, primary):
result = cibxpath(
"query",
'//constraints/rsc_location[@id="{}"]'.format(_constraint(ha_label, primary)),
)
# Single line: <rsc_location id="HA_LABEL-PRIMARY" node="NODE" rsc="HA_LABEL" score="20"/>
match = re.match(r".*node=.([^\"]+)", result.stdout)
if match:
return match.group(1)
return None
def _unconfigure_target_priority(primary, ha_label):
return cibxpath(
"delete",
'//rsc_location[@id="{}"]'.format(_constraint(ha_label, primary)))