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from tasks.cephfs.cephfs_test_case import CephFSTestCase
import json
import logging
log = logging.getLogger(__name__)
failure = "using old balancer; mantle failed for balancer="
success = "mantle balancer version changed: "
class TestMantle(CephFSTestCase):
def start_mantle(self):
self.wait_for_health_clear(timeout=30)
self.fs.set_max_mds(2)
self.wait_until_equal(lambda: len(self.fs.get_active_names()), 2, 30,
reject_fn=lambda v: v > 2 or v < 1)
for m in self.fs.get_active_names():
self.fs.mds_asok(['config', 'set', 'debug_objecter', '20'], mds_id=m)
self.fs.mds_asok(['config', 'set', 'debug_ms', '0'], mds_id=m)
self.fs.mds_asok(['config', 'set', 'debug_mds', '0'], mds_id=m)
self.fs.mds_asok(['config', 'set', 'debug_mds_balancer', '5'], mds_id=m)
def push_balancer(self, obj, lua_code, expect):
self.fs.mon_manager.raw_cluster_cmd_result('fs', 'set', self.fs.name, 'balancer', obj)
self.fs.rados(["put", obj, "-"], stdin_data=lua_code)
with self.assert_cluster_log(failure + obj + " " + expect):
log.info("run a " + obj + " balancer that expects=" + expect)
def test_version_empty(self):
self.start_mantle()
expect = " : (2) No such file or directory"
ret = self.fs.mon_manager.raw_cluster_cmd_result('fs', 'set', self.fs.name, 'balancer')
assert(ret == 22) # EINVAL
self.fs.mon_manager.raw_cluster_cmd_result('fs', 'set', self.fs.name, 'balancer', " ")
with self.assert_cluster_log(failure + " " + expect): pass
def test_version_not_in_rados(self):
self.start_mantle()
expect = failure + "ghost.lua : (2) No such file or directory"
self.fs.mon_manager.raw_cluster_cmd_result('fs', 'set', self.fs.name, 'balancer', "ghost.lua")
with self.assert_cluster_log(expect): pass
def test_balancer_invalid(self):
self.start_mantle()
expect = ": (22) Invalid argument"
lua_code = "this is invalid lua code!"
self.push_balancer("invalid.lua", lua_code, expect)
lua_code = "BAL_LOG()"
self.push_balancer("invalid_log.lua", lua_code, expect)
lua_code = "BAL_LOG(0)"
self.push_balancer("invalid_log_again.lua", lua_code, expect)
def test_balancer_valid(self):
self.start_mantle()
lua_code = "BAL_LOG(0, \"test\")\nreturn {3, 4}"
self.fs.mon_manager.raw_cluster_cmd_result('fs', 'set', self.fs.name, 'balancer', "valid.lua")
self.fs.rados(["put", "valid.lua", "-"], stdin_data=lua_code)
with self.assert_cluster_log(success + "valid.lua"):
log.info("run a valid.lua balancer")
def test_return_invalid(self):
self.start_mantle()
expect = ": (22) Invalid argument"
lua_code = "return \"hello\""
self.push_balancer("string.lua", lua_code, expect)
lua_code = "return 3"
self.push_balancer("number.lua", lua_code, expect)
lua_code = "return {}"
self.push_balancer("dict_empty.lua", lua_code, expect)
lua_code = "return {\"this\", \"is\", \"a\", \"test\"}"
self.push_balancer("dict_of_strings.lua", lua_code, expect)
lua_code = "return {3, \"test\"}"
self.push_balancer("dict_of_mixed.lua", lua_code, expect)
lua_code = "return {3}"
self.push_balancer("not_enough_numbers.lua", lua_code, expect)
lua_code = "return {3, 4, 5, 6, 7, 8, 9}"
self.push_balancer("too_many_numbers.lua", lua_code, expect)
def test_dead_osd(self):
self.start_mantle()
expect = " : (110) Connection timed out"
# kill the OSDs so that the balancer pull from RADOS times out
osd_map = json.loads(self.fs.mon_manager.raw_cluster_cmd('osd', 'dump', '--format=json-pretty'))
for i in range(0, len(osd_map['osds'])):
self.fs.mon_manager.raw_cluster_cmd_result('osd', 'down', str(i))
self.fs.mon_manager.raw_cluster_cmd_result('osd', 'out', str(i))
# trigger a pull from RADOS
self.fs.mon_manager.raw_cluster_cmd_result('fs', 'set', self.fs.name, 'balancer', "valid.lua")
# make the timeout a little longer since dead OSDs spam ceph -w
with self.assert_cluster_log(failure + "valid.lua" + expect, timeout=30):
log.info("run a balancer that should timeout")
# cleanup
for i in range(0, len(osd_map['osds'])):
self.fs.mon_manager.raw_cluster_cmd_result('osd', 'in', str(i))
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