def get_schedulers(self, request):
"""Return the list of current schedulers.
:type request: GetSchedulersRequest:
:rtype: GetSchedulersResponse
"""
scheduler_handler = common.services.get(Scheduler.Iface)
_schedulers = scheduler_handler.get_schedulers
response = GetSchedulersResponse()
response.schedulers = []
for schId in _schedulers:
scheduler = _schedulers[schId]
schEntry = SchedulerEntry()
schRole = SchedulerRole()
schRole.host_children = []
schRole.id = schId
for host in scheduler._get_hosts():
childHost = ChildInfo()
childHost.id = host.id
childHost.address = host.address
childHost.port = host.port
schRole.host_children.append(childHost)
schEntry.role = schRole
response.schedulers.append(schEntry)
response.result = GetSchedulersResultCode.OK
return response
def get_schedulers(self, request):
"""Return the list of current schedulers.
:type request: GetSchedulersRequest:
:rtype: GetSchedulersResponse
"""
scheduler_handler = common.services.get(Scheduler.Iface)
_schedulers = scheduler_handler.get_schedulers
response = GetSchedulersResponse()
response.schedulers = []
for schId in _schedulers:
scheduler = _schedulers[schId]
schEntry = SchedulerEntry()
schRole = SchedulerRole()
schRole.host_children = []
schRole.id = schId
for host in scheduler._get_hosts():
childHost = ChildInfo()
childHost.id = host.id
childHost.address = host.address
childHost.port = host.port
schRole.host_children.append(childHost)
schEntry.role = schRole
response.schedulers.append(schEntry)
response.result = GetSchedulersResultCode.OK
return response
def test_get_leaf_scheduler(self):
"""Test agent introspection"""
agent_host = 'localhost'
agent_port = 20000
# Agent not online
leaf = get_leaf_scheduler(agent_host, agent_port)
assert_that(leaf, is_(None))
# Start an agent with an invalid chairman, so that it doesn't
# get configured, because we want to configure it manually
config = self.runtime.get_agent_config(agent_host, agent_port,
"localhost", 24234)
res = self.runtime.start_agent(config)
agent_client = res[1]
# Agent is online but not a leaf scheduler
leaf = get_leaf_scheduler(agent_host, agent_port)
assert_that(leaf, is_(None))
leafId1 = stable_uuid("leaf scheduler")
config_req = THost.GetConfigRequest()
host_config = agent_client.get_host_config(config_req).hostConfig
leaf_scheduler = SchedulerRole(leafId1)
leaf_scheduler.parent_id = stable_uuid("parent scheduler")
leaf_scheduler.hosts = [host_config.agent_id]
leaf_scheduler.host_children = [
ChildInfo(id=host_config.agent_id,
address=agent_host,
port=agent_port)
]
config_request = ConfigureRequest(leafId1, Roles([leaf_scheduler]))
resp = agent_client.configure(config_request)
assert_that(resp.result, is_(ConfigureResultCode.OK))
leaf = get_leaf_scheduler(agent_host, agent_port)
assert_that(leaf.id, not_none())
assert_that(leaf.type, is_(LEAF_SCHEDULER_TYPE))
assert_that(len(leaf.children), is_(1))
# Verify the owner host
owner_host = leaf.owner
assert_that(owner_host, not_none())
assert_that(owner_host.id, is_(host_config.agent_id))
assert_that(owner_host.address, is_(agent_host))
assert_that(owner_host.port, is_(agent_port))
assert_that(owner_host.parent, is_(leaf))
def test_get_leaf_scheduler(self):
"""Test agent introspection"""
agent_host = "localhost"
agent_port = 20000
# Agent not online
leaf = get_leaf_scheduler(agent_host, agent_port)
assert_that(leaf, is_(None))
# Start an agent with an invalid chairman, so that it doesn't
# get configured, because we want to configure it manually
config = self.runtime.get_agent_config(agent_host, agent_port, "localhost", 24234)
res = self.runtime.start_agent(config)
agent_client = res[1]
# Agent is online but not a leaf scheduler
leaf = get_leaf_scheduler(agent_host, agent_port)
assert_that(leaf, is_(None))
leafId1 = stable_uuid("leaf scheduler")
config_req = THost.GetConfigRequest()
host_config = agent_client.get_host_config(config_req).hostConfig
leaf_scheduler = SchedulerRole(leafId1)
leaf_scheduler.parent_id = stable_uuid("parent scheduler")
leaf_scheduler.hosts = [host_config.agent_id]
leaf_scheduler.host_children = [ChildInfo(id=host_config.agent_id, address=agent_host, port=agent_port)]
config_request = ConfigureRequest(leafId1, Roles([leaf_scheduler]))
resp = agent_client.configure(config_request)
assert_that(resp.result, is_(ConfigureResultCode.OK))
leaf = get_leaf_scheduler(agent_host, agent_port)
assert_that(leaf.id, not_none())
assert_that(leaf.type, is_(LEAF_SCHEDULER_TYPE))
assert_that(len(leaf.children), is_(1))
# Verify the owner host
owner_host = leaf.owner
assert_that(owner_host, not_none())
assert_that(owner_host.id, is_(host_config.agent_id))
assert_that(owner_host.address, is_(agent_host))
assert_that(owner_host.port, is_(agent_port))
assert_that(owner_host.parent, is_(leaf))
def test_demote_agent_from_leaf_scheduler(self):
request = GetSchedulersRequest()
response = self.control_client.get_schedulers(request)
# Agent starts without any schedulers
assert_that(len(response.schedulers), is_(0))
# Configure the agent with a leaf scheduler
leafId1 = stable_uuid("leaf scheduler")
config_req = Host.GetConfigRequest()
host_config = self.client.get_host_config(config_req).hostConfig
leaf_scheduler = SchedulerRole(leafId1)
leaf_scheduler.parent_id = stable_uuid("parent scheduler")
leaf_scheduler.hosts = [host_config.agent_id]
leaf_scheduler.host_children = [ChildInfo(id=host_config.agent_id,
address="localhost",
port=8835)]
config_request = ConfigureRequest(
leafId1,
Roles([leaf_scheduler]))
self.client.configure(config_request)
request = GetSchedulersRequest()
response = self.control_client.get_schedulers(request)
# Verify that the agent has been configured
assert_that(len(response.schedulers), is_(1))
assert_that(response.schedulers[0].role.id, is_(leafId1))
# Demote agent from leaf scheduler
config_request = ConfigureRequest(
leafId1,
Roles([]))
self.client.configure(config_request)
# Verify that the agent isn't a scheduler
request = GetSchedulersRequest()
response = self.control_client.get_schedulers(request)
assert_that(len(response.schedulers), is_(0))
