def create_node_and_vessels_with_one_port_each(ip, portlist, is_active=True):
global next_nodeid_number
next_nodeid_number += 1
nodeid = "node" + str(next_nodeid_number)
port = 1234
version = "10.0test"
owner_pubkey = "1 2"
extra_vessel_name = "v1"
node = maindb.create_node(nodeid, ip, port, version, is_active, owner_pubkey, extra_vessel_name)
single_vessel_number = 2
for vesselport in portlist:
single_vessel_name = "v" + str(single_vessel_number)
single_vessel_number += 1
vessel = maindb.create_vessel(node, single_vessel_name)
maindb.set_vessel_ports(vessel, [vesselport])
return node
def create_node_and_vessels_with_one_port_each(ip, portlist):
global next_nodeid_number
next_nodeid_number += 1
nodeid = "node" + str(next_nodeid_number)
port = 1234
version = "10.0test"
is_active = True
owner_pubkey = "1 2"
extra_vessel_name = "v1"
node = maindb.create_node(nodeid, ip, port, version, is_active, owner_pubkey, extra_vessel_name)
single_vessel_number = 2
for vesselport in portlist:
single_vessel_name = "v" + str(single_vessel_number)
single_vessel_number += 1
vessel = maindb.create_vessel(node, single_vessel_name)
maindb.set_vessel_ports(vessel, [vesselport])
return node
def split_vessels (node_string, node_info, database_nodeobject, resourcetemplate):
"""
<Purpose>
The purpose of this function is to take a node has an extra vessel that is
big enough to be split into two or more vessels. The resources on a vessel
is determined by the resourcetemplate that is provided as well as the usable
ports on the node.
<Arguments>
node_string - the name of the node. ip:port or NAT:port
node_info - a dictionary containing information about the node
database_nodeobject - a database object for the node
resourcetemplate - the file that has information about resources
<Exceptions>
NodeError - Error raised if node is not in the right state
NodemanagerCommunicationError - raised if we cannot retrieve the usable ports for a node
NodeProcessError - raised if unable to split vessels properly
DatabaseError - raised if unable to modify the database
<Side Effects>
Database gets modified.
<Return>
None
"""
log("Beginning to divide vessel on node: "+node_string)
# Extract the ip/NAT and the port.
# Note that the first portion of the node might be an ip or a NAT string.
(ip_or_nat_string, port_num) = split_node_string(node_string)
donated_vesselname = database_nodeobject.extra_vessel_name
# Retrieve the usable ports list for the node and then shuffle
# the ports so each vessel gets a random subset of the ports
usable_ports_list = nodemanager.get_vessel_resources(ip_or_nat_string, port_num, donated_vesselname)['usableports']
log("List of usable ports in node: "+node_string+". "+str(usable_ports_list))
random.shuffle(usable_ports_list)
#the vessel that we start with
current_vessel = donated_vesselname
log("Name of starting vessel: "+current_vessel)
# Keep splittiing the vessel until we run out of resources.
# Note that when split_vessel is called the left vessel
# has the leftover (extra vessel)and the right vessel has
# the vessel with the exact resources.
while len(usable_ports_list) >= 10:
desired_resourcedata = get_resource_data(resourcetemplate, usable_ports_list)
#use the first 10 ports so remove them from the list of usable_ports_list
used_ports_list = usable_ports_list[:10]
usable_ports_list = usable_ports_list[10:]
log("Ports we are going to use for the new vessel: "+str(used_ports_list))
log("Starting to split vessel: "+current_vessel)
# Split the current vessel. The exact vessel is the right vessel
# and the extra vessel is the left vessel.
try:
leftover_vessel, new_vessel = backend.split_vessel(database_nodeobject, current_vessel, desired_resourcedata)
except NodemanagerCommunicationError, e:
# The object 'e' will already include traceback info that has the actual node error.
# If the failure is due to inability to split further, that's ok.
if 'Insufficient quantity:' in str(e):
log("Could not split " + current_vessel + " any further due to insufficient resource/quantity. " + str(e))
# We must break out of the while loop here. If we let the exception get,
# raised, it will look like the transition failed.
break
raise
log("Successfully split vessel: "+current_vessel+" into vessels: "+leftover_vessel+" and "+new_vessel)
current_vessel = leftover_vessel
# Make sure to update the database and record the new
# name of the extra vessel as when backend.split_vessels()
# is called, the old vessel does not exist anymore.
# Instead two new vessels are created, where the first
# vessel is the extra vessel with leftover resources
# and the second vessel has the actual amount of resources
maindb.set_node_extra_vessel_name(database_nodeobject, current_vessel)
# Set the user_list for the new vesel to be empty. Remember that user_list is what determines
# the transition state, and only the extra vessel should have this set.
backend.set_vessel_user_keylist(database_nodeobject, new_vessel, [])
log("Changed the userkeys for the vessel "+new_vessel+" to []")
# Add the newly created vessel to the database and then add the ports associated with
# the vessel to the database also.
log("Creating a vessel record in the database for vessel "+new_vessel+" for node "+node_string)
try:
vessel_object = maindb.create_vessel(database_nodeobject, new_vessel)
log("Setting the vessel ports in the database for vessel "+new_vessel+" with port list: "+str(used_ports_list))
maindb.set_vessel_ports(vessel_object, used_ports_list)
except:
raise DatabaseError("Failed to create vessel entry or change vessel entry for vessel: " +
new_vessel + ". " + traceback.format_exc())
def onepercentmanyevents_divide(node_string, node_info, database_nodeobject,
onepercent_resourcetemplate):
"""
<Purpose>
The purpose of this function is to take a node thats in canonical state
with one vessel, and split it into the 1% vessels so the vessels can
be acquired by users.
<Arguments>
node_string - the name of the node. ip:port or NAT:port
node_info - a dictionary containing information about the node
database_nodeobject - a database object for the node
onepercent_resourcetemplate - the file that has information about resources
<Exceptions>
NodeError - Error raised if node is not in the right state
NodemanagerCommunicationError - raised if we cannot retrieve the usable ports for a node
NodeProcessError - raised if unable to split vessels properly
DatabaseError - raised if unable to modify the database
<Side Effects>
Database gets modified.
<Return>
None
"""
node_transition_lib.log("Beginning onepercentmanyevents_divide on node: " +
node_string)
# Extract the ip/NAT and the port.
# Note that the first portion of the node might be an ip or a NAT string.
(ip_or_nat_string,
port_num) = node_transition_lib.split_node_string(node_string)
donated_vesselname = database_nodeobject.extra_vessel_name
# Retrieve the usable ports list for the node and then shuffle
# the ports so each vessel gets a random subset of the ports
usable_ports_list = nodemanager.get_vessel_resources(
ip_or_nat_string, port_num, donated_vesselname)['usableports']
node_transition_lib.log("List of usable ports in node: " + node_string +
". " + str(usable_ports_list))
random.shuffle(usable_ports_list)
#the vessel that we start with
current_vessel = donated_vesselname
node_transition_lib.log("Name of starting vessel: " + current_vessel)
# Keep splittiing the vessel until we run out of resources.
# Note that when split_vessel is called the left vessel
# has the leftover (extra vessel)and the right vessel has
# the vessel with the exact resources.
while len(usable_ports_list) >= 10:
desired_resourcedata = get_resource_data(onepercent_resourcetemplate,
usable_ports_list)
#use the first 10 ports so remove them from the list of usable_ports_list
used_ports_list = usable_ports_list[:10]
usable_ports_list = usable_ports_list[10:]
node_transition_lib.log(
"Ports we are going to use for the new vessel: " +
str(used_ports_list))
node_transition_lib.log("Starting to split vessel: " + current_vessel)
# Split the current vessel. The exact vessel is the right vessel
# and the extra vessel is the left vessel.
try:
leftover_vessel, new_vessel = backend.split_vessel(
database_nodeobject, current_vessel, desired_resourcedata)
except NodemanagerCommunicationError, e:
# The object 'e' will already include traceback info that has the actual node error.
# If the failure is due to inability to split further, that's ok.
if 'Insufficient quantity:' in str(e):
node_transition_lib.log(
"Could not split " + current_vessel +
" any further due to insufficient resource/quantity. " +
str(e))
# We must break out of the while loop here. If we let the exception get,
# raised, it will look like the transition failed.
break
raise
node_transition_lib.log("Successfully split vessel: " +
current_vessel + " into vessels: " +
leftover_vessel + " and " + new_vessel)
current_vessel = leftover_vessel
# Make sure to update the database and record the new
# name of the extra vessel as when backend.split_vessels()
# is called, the old vessel does not exist anymore.
# Instead two new vessels are created, where the first
# vessel is the extra vessel with leftover resources
# and the second vessel has the actual amount of resources
maindb.set_node_extra_vessel_name(database_nodeobject, current_vessel)
#set the user_list for the new vesel to be empty. Remember that user_list is what determines
#the transition state, and only the extra vessel should have this set.
backend.set_vessel_user_keylist(database_nodeobject, new_vessel, [])
node_transition_lib.log("Changed the userkeys for the vessel " +
new_vessel + " to []")
# Add the newly created vessel to the database and then add the ports associated with
# the vessel to the database also.
try:
node_transition_lib.log(
"Creating a vessel record in the database for vessel " +
new_vessel + " for node " + node_string)
vessel_object = maindb.create_vessel(database_nodeobject,
new_vessel)
node_transition_lib.log(
"Setting the vessel ports in the database for vessel " +
new_vessel + " with port list: " + str(used_ports_list))
maindb.set_vessel_ports(vessel_object, used_ports_list)
except:
raise node_transition_lib.DatabaseError(
"Failed to create vessel entry or change vessel entry for vessel: "
+ new_vessel + ". " + traceback.format_exc())
for i in range(100): node_identifier = 'node' + str(i) extra_vessel_name = 'v2' ip = '127.0.' + str(i) + '.0' node = maindb.create_node(node_identifier, ip, 1234, '0.1a', True, 'the owner pubkey', extra_vessel_name) node_list.append(node) # Create Donation records donation_list = [] for i in range(100): node = node_list[i] donor = user_list[i % len(user_list)] donation = maindb.create_donation(node, donor, 'some resource description text') donation_list.append(donation) # Create Vessel records vessel_list = [] for i in range(100): node = node_list[i] name = 'v' + str(i) vessel = maindb.create_vessel(node, name) vessel_list.append(vessel) # Set the vessel ports. ports = range(1000, 1010) ports.append(user_list[0].usable_vessel_port) maindb.set_vessel_ports(vessel, ports)
# Create Node records
node_list = []
for i in range(100):
node_identifier = 'node' + str(i)
extra_vessel_name = 'v2'
ip = '127.0.' + str(i) + '.0'
node = maindb.create_node(node_identifier, ip, 1234, '0.1a', True,
'the owner pubkey', extra_vessel_name)
node_list.append(node)
# Create Donation records
donation_list = []
for i in range(100):
node = node_list[i]
donor = user_list[i % len(user_list)]
donation = maindb.create_donation(node, donor,
'some resource description text')
donation_list.append(donation)
# Create Vessel records
vessel_list = []
for i in range(100):
node = node_list[i]
name = 'v' + str(i)
vessel = maindb.create_vessel(node, name)
vessel_list.append(vessel)
# Set the vessel ports.
ports = range(1000, 1010)
ports.append(user_list[0].usable_vessel_port)
maindb.set_vessel_ports(vessel, ports)