def get_update_member_flow(self):
"""Create a flow to update a member
:returns: The flow for updating a member
"""
update_member_flow = linear_flow.Flow(constants.UPDATE_MEMBER_FLOW)
update_member_flow.add(
lifecycle_tasks.MemberToErrorOnRevertTask(requires=[
constants.MEMBER, constants.LISTENERS, constants.LOADBALANCER,
constants.POOL
]))
update_member_flow.add(
database_tasks.MarkMemberPendingUpdateInDB(
requires=constants.MEMBER))
update_member_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=constants.LOADBALANCER))
update_member_flow.add(
database_tasks.UpdateMemberInDB(
requires=[constants.MEMBER, constants.UPDATE_DICT]))
update_member_flow.add(
database_tasks.MarkMemberActiveInDB(requires=constants.MEMBER))
update_member_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
update_member_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=[constants.LOADBALANCER, constants.LISTENERS]))
return update_member_flow
def get_create_member_flow(self):
"""Create a flow to create a member
:returns: The flow for creating a member
"""
create_member_flow = linear_flow.Flow(constants.CREATE_MEMBER_FLOW)
create_member_flow.add(
lifecycle_tasks.MemberToErrorOnRevertTask(requires=[
constants.MEMBER, constants.LISTENERS, constants.LOADBALANCER,
constants.POOL
]))
create_member_flow.add(
database_tasks.MarkMemberPendingCreateInDB(
requires=constants.MEMBER))
create_member_flow.add(
network_tasks.CalculateDelta(requires=constants.LOADBALANCER,
provides=constants.DELTAS))
create_member_flow.add(
network_tasks.HandleNetworkDeltas(requires=constants.DELTAS,
provides=constants.ADDED_PORTS))
create_member_flow.add(
amphora_driver_tasks.AmphoraePostNetworkPlug(
requires=(constants.LOADBALANCER, constants.ADDED_PORTS)))
create_member_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=constants.LOADBALANCER))
create_member_flow.add(
database_tasks.MarkMemberActiveInDB(requires=constants.MEMBER))
create_member_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
create_member_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
return create_member_flow
def get_create_member_flow(self):
"""Create a flow to create a member
:returns: The flow for creating a member
"""
create_member_flow = linear_flow.Flow(constants.CREATE_MEMBER_FLOW)
create_member_flow.add(lifecycle_tasks.MemberToErrorOnRevertTask(
requires=[constants.MEMBER,
constants.LISTENERS,
constants.LOADBALANCER,
constants.POOL]))
create_member_flow.add(database_tasks.MarkMemberPendingCreateInDB(
requires=constants.MEMBER))
create_member_flow.add(network_tasks.CalculateDelta(
requires=constants.LOADBALANCER,
provides=constants.DELTAS))
create_member_flow.add(network_tasks.HandleNetworkDeltas(
requires=constants.DELTAS, provides=constants.ADDED_PORTS))
# Need to add relaod vThunder logic here
#create_member_flow.add(amphora_driver_tasks.AmphoraePostNetworkPlug(
# requires=(constants.LOADBALANCER, constants.ADDED_PORTS)
#))
#create_member_flow.add(amphora_driver_tasks.ListenersUpdate(
# requires=(constants.LOADBALANCER, constants.LISTENERS)))
# Get VThunder details from database
create_member_flow.add(database_tasks.GetAmphoraeFromLoadbalancer(
requires=constants.LOADBALANCER,
provides=constants.AMPHORA))
create_member_flow.add(a10_database_tasks.GetVThunderByLoadBalancer(
requires=constants.LOADBALANCER,
provides=a10constants.VTHUNDER))
# managing interface additions here
create_member_flow.add(vthunder_tasks.AmphoraePostMemberNetworkPlug(
requires=(constants.LOADBALANCER, constants.ADDED_PORTS, a10constants.VTHUNDER)))
create_member_flow.add(vthunder_tasks.VThunderComputeConnectivityWait(
requires=(a10constants.VTHUNDER, constants.AMPHORA)))
create_member_flow.add(vthunder_tasks.EnableInterfaceForMembers(
requires=[constants.ADDED_PORTS, constants.LOADBALANCER, a10constants.VTHUNDER]))
create_member_flow.add(handler_server.MemberCreate(
requires=(constants.MEMBER, a10constants.VTHUNDER, constants.POOL)))
create_member_flow.add(database_tasks.MarkMemberActiveInDB(
requires=constants.MEMBER))
create_member_flow.add(database_tasks.MarkPoolActiveInDB(
requires=constants.POOL))
create_member_flow.add(database_tasks.
MarkLBAndListenersActiveInDB(
requires=(constants.LOADBALANCER,
constants.LISTENERS)))
return create_member_flow
def get_batch_update_members_flow(self, old_members, new_members,
updated_members):
"""Create a flow to batch update members
:returns: The flow for batch updating members
"""
batch_update_members_flow = linear_flow.Flow(
constants.BATCH_UPDATE_MEMBERS_FLOW)
unordered_members_flow = unordered_flow.Flow(
constants.UNORDERED_MEMBER_UPDATES_FLOW)
unordered_members_active_flow = unordered_flow.Flow(
constants.UNORDERED_MEMBER_ACTIVE_FLOW)
# Delete old members
unordered_members_flow.add(
lifecycle_tasks.MembersToErrorOnRevertTask(
inject={constants.MEMBERS: old_members},
name='{flow}-deleted'.format(
flow=constants.MEMBER_TO_ERROR_ON_REVERT_FLOW)))
for m in old_members:
unordered_members_flow.add(
model_tasks.DeleteModelObject(
inject={constants.OBJECT: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.DELETE_MODEL_OBJECT_FLOW)))
unordered_members_flow.add(
database_tasks.DeleteMemberInDB(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.DELETE_MEMBER_INDB)))
unordered_members_flow.add(
database_tasks.DecrementMemberQuota(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.DECREMENT_MEMBER_QUOTA_FLOW)))
# Create new members
unordered_members_flow.add(
lifecycle_tasks.MembersToErrorOnRevertTask(
inject={constants.MEMBERS: new_members},
name='{flow}-created'.format(
flow=constants.MEMBER_TO_ERROR_ON_REVERT_FLOW)))
for m in new_members:
unordered_members_active_flow.add(
database_tasks.MarkMemberActiveInDB(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.MARK_MEMBER_ACTIVE_INDB)))
# Update existing members
unordered_members_flow.add(
lifecycle_tasks.MembersToErrorOnRevertTask(
# updated_members is a list of (obj, dict), only pass `obj`
inject={constants.MEMBERS: [m[0] for m in updated_members]},
name='{flow}-updated'.format(
flow=constants.MEMBER_TO_ERROR_ON_REVERT_FLOW)))
for m, um in updated_members:
um.pop('id', None)
unordered_members_active_flow.add(
database_tasks.MarkMemberActiveInDB(
inject={constants.MEMBER: m},
name='{flow}-{id}'.format(
id=m.id, flow=constants.MARK_MEMBER_ACTIVE_INDB)))
batch_update_members_flow.add(unordered_members_flow)
# Done, do real updates
batch_update_members_flow.add(
network_tasks.CalculateDelta(requires=constants.LOADBALANCER,
provides=constants.DELTAS))
batch_update_members_flow.add(
network_tasks.HandleNetworkDeltas(requires=constants.DELTAS,
provides=constants.ADDED_PORTS))
batch_update_members_flow.add(
amphora_driver_tasks.AmphoraePostNetworkPlug(
requires=(constants.LOADBALANCER, constants.ADDED_PORTS)))
# Update the Listener (this makes the changes active on the Amp)
batch_update_members_flow.add(
amphora_driver_tasks.ListenersUpdate(
requires=constants.LOADBALANCER))
# Mark all the members ACTIVE here, then pool then LB/Listeners
batch_update_members_flow.add(unordered_members_active_flow)
batch_update_members_flow.add(
database_tasks.MarkPoolActiveInDB(requires=constants.POOL))
batch_update_members_flow.add(
database_tasks.MarkLBAndListenersActiveInDB(
requires=(constants.LOADBALANCER, constants.LISTENERS)))
return batch_update_members_flow