def TestInterClusterInstanceMove(src_instance,
dest_instance,
inodes,
tnode,
perform_checks=True):
"""Test tools/move-instance"""
master = qa_config.GetMasterNode()
rapi_pw_file = tempfile.NamedTemporaryFile()
rapi_pw_file.write(_rapi_password)
rapi_pw_file.flush()
# Needed only if checks are to be performed
if perform_checks:
dest_instance.SetDiskTemplate(src_instance.disk_template)
# TODO: Run some instance tests before moving back
if len(inodes) > 1:
# No disk template currently requires more than 1 secondary node. If this
# changes, either this test must be skipped or the script must be updated.
assert len(inodes) == 2
snode = inodes[1]
else:
# instance is not redundant, but we still need to pass a node
# (which will be ignored)
snode = tnode
pnode = inodes[0]
# note: pnode:snode are the *current* nodes, so we move it first to
# tnode:pnode, then back to pnode:snode
for current_src_inst, current_dest_inst, target_pnode, target_snode in \
[(src_instance.name, dest_instance.name, tnode.primary, pnode.primary),
(dest_instance.name, src_instance.name, pnode.primary, snode.primary)]:
cmd = [
"../tools/move-instance",
"--verbose",
"--src-ca-file=%s" % _rapi_ca.name,
"--src-username=%s" % _rapi_username,
"--src-password-file=%s" % rapi_pw_file.name,
"--dest-instance-name=%s" % current_dest_inst,
"--dest-primary-node=%s" % target_pnode,
"--dest-secondary-node=%s" % target_snode,
"--net=0:mac=%s" % constants.VALUE_GENERATE,
master.primary,
master.primary,
current_src_inst,
]
# Some uses of this test might require that RAPI-only commands are used,
# and the checks are command-line based.
if perform_checks:
qa_utils.RunInstanceCheck(current_dest_inst, False)
AssertEqual(StartLocalCommand(cmd).wait(), 0)
if perform_checks:
qa_utils.RunInstanceCheck(current_src_inst, False)
qa_utils.RunInstanceCheck(current_dest_inst, True)
def _InvokeMoveInstance(current_dest_inst,
current_src_inst,
rapi_pw_filename,
joint_master,
perform_checks,
target_nodes=None):
""" Invokes the move-instance tool for testing purposes.
"""
# Some uses of this test might require that RAPI-only commands are used,
# and the checks are command-line based.
if perform_checks:
qa_utils.RunInstanceCheck(current_dest_inst, False)
cmd = [
"../tools/move-instance",
"--verbose",
"--src-ca-file=%s" % _rapi_ca.name,
"--src-username=%s" % _rapi_username,
"--src-password-file=%s" % rapi_pw_filename,
"--dest-instance-name=%s" % current_dest_inst,
]
if target_nodes:
pnode, snode = target_nodes
cmd.extend([
"--dest-primary-node=%s" % pnode,
"--dest-secondary-node=%s" % snode,
])
else:
cmd.extend([
"--iallocator=%s" % constants.IALLOC_HAIL,
"--opportunistic-tries=1",
])
cmd.extend([
"--net=0:mac=%s" % constants.VALUE_GENERATE,
joint_master,
joint_master,
current_src_inst,
])
AssertEqual(StartLocalCommand(cmd).wait(), 0)
if perform_checks:
qa_utils.RunInstanceCheck(current_src_inst, False)
qa_utils.RunInstanceCheck(current_dest_inst, True)