def delete_flow(node_id, table_id, flow_id):
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
data = json.loads(flask.request.get_data().decode('utf-8'))
delete_all = data['delete_all']
try:
# Get the node object
node = odl.get_node_by_id(node_id)
# Get the table object
table = node.get_table_by_id(table_id)
# Get the flow
flow = table.get_all_flows()[flow_id]
except (NodeNotFound, TableNotFound, FlowNotFound) as e:
flask.abort(404)
if delete_all:
nodes = odl.get_nodes()
for node in nodes.values():
node.delete_config_flows_by_name(flow.name)
else:
flow.delete()
return flask.redirect("/")
def install_flow(node_id, table_id):
"""
This will install a flow.
You should pass via POST few args.
TODO: Better documentation.
"""
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
try:
node = odl.get_node_by_id(node_id)
table = node.get_table_by_id(table_id)
except (NodeNotFound, TableNotFound) as e:
flask.abort(404)
form = flask.request.form
table.install_flow(priority = form.get('priority'),
name = form.get('name'),
eth_type = form.get('eth_type'),
eth_source = form.get('eth_source'),
eth_destination = form.get('eth_destination'),
ipv4_source = form.get('ipv4_source'),
ipv4_destination = form.get('ipv4_destination'),
connector_id = form.get('output'),
template_dir = template_dir)
return flask.redirect("/")
def flow_stats(node_id, table_id, clean_flow_id):
"""
This endpoint returns statistics to plot.
You should pass a node id, table id and a clean flow id. (removing #, $, -
and * symbols from id).
"""
# Main flow
main = get_rrd_stats(node_id, table_id, clean_flow_id)
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
try:
node = odl.get_node_by_id(node_id)
table = node.get_table_by_id(table_id)
flow = table.get_flow_by_clean_id(clean_flow_id)
except (NodeNotFound, TableNotFound, FlowNotFound) as e:
return flask.abort(404)
# Try to get the oposite flow (just in case of where booth are added with
# same name.
flows = table.get_config_flows_by_name(flow.name)
for oposite in flows:
if oposite.clean_id != clean_flow_id:
break
if flows:
oposite = get_rrd_stats(node_id, table_id, oposite.clean_id)
else:
oposite = []
return flask.jsonify({'main': main,
'oposite': oposite})
def path_stats(node_id, table_id, clean_flow_id, diff):
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
try:
node = odl.get_node_by_id(node_id)
table = node.get_table_by_id(table_id)
flow = table.get_flow_by_clean_id(clean_flow_id)
except (NodeNotFound, TableNotFound, FlowNotFound) as e:
return flask.abort(404)
nodes = odl.get_nodes()
data = [];
eth_type = flow.get_ethernet_type()
eth_src = flow.get_ethernet_source()
eth_dest = flow.get_ethernet_destination()
ipv4_src = flow.get_ipv4_source()
ipv4_dest = flow.get_ipv4_destination()
if eth_type == 0x0800 and (eth_src != '*' or
eth_dest != '*' or
ipv4_src != '*' or
ipv4_dest != '*'):
path = explore_path(nodes, flow, eth_type, eth_src, eth_dest, ipv4_src, ipv4_dest)
for n in path:
ndata = {
'id': n['id'],
'main': get_rrd_stats(n['id'], n['main']['table_id'], n['main']['clean_flow_id'], diff)
}
if n.has_key('oposite'):
ndata['oposite'] = get_rrd_stats(n['id'], n['oposite']['table_id'], n['oposite']['clean_flow_id'], diff)
data.append(ndata)
else:
data.append({'id': node.id, 'main': get_rrd_stats(node.id, table.id, flow.clean_id, diff)})
return flask.jsonify(data)
def delete_flow(node_id, table_id, flow_id):
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
data = json.loads(flask.request.get_data().decode('utf-8'))
delete_all = data['delete_all']
try:
# Get the node object
node = odl.get_node_by_id(node_id)
# Get the table object
table = node.get_table_by_id(table_id)
# Get the flow
flow = table.get_all_flows()[flow_id]
except (NodeNotFound, TableNotFound, FlowNotFound) as e:
flask.abort(404)
if delete_all:
nodes = odl.get_nodes()
for node in nodes.values():
node.delete_config_flows_by_name(flow.name)
else:
flow.delete()
return flask.redirect("/")
def install_flows_for_l3path(path_id):
"""
This will install a l3 full path flows (based on IP Address addresses) in all
switches in a path.
You should use first '/api/routes/l3' to see the uid of path. This is a
necessary argument for this endpoint.
"""
client_ip = "%s" % flask.request.environ['REMOTE_ADDR']
try:
path = session_l3paths[client_ip][path_id]
except KeyError:
flask.abort(404)
ports = get_ports_on_path(path)
source_host = path[0]
target_host = path[-1]
# Install a flow in each switch on the path with correct output
# port.
for source_port, target_port in ports:
source_switch = "%s:%s" % (source_port.split(":")[0], source_port.split(":")[1])
target_switch = "%s:%s" % (target_port.split(":")[0], target_port.split(":")[1])
# Just in case check
if (source_switch != target_switch):
print "Error 500: Switches are different on path"
flask.abort(500)
# Match: source_port, source_host, target_host, eth_type = 0x806 ?
# Target Action: target_port
# Lookup for switch in database
try:
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
node = odl.get_node_by_id(target_switch)
table = node.get_table_by_id(0) # Assuming installing on table 0
except (NodeNotFound, TableNotFound) as e:
print "Error: 404 - Switch or table not found in database"
flask.abort(404)
print "Inserting flow for %s..." % node.id
# Install the flow one way
table.l3output(flow_name = "L3AR%s" % path_id.split("-")[0],
connector_id = target_port,
source = "%s/32" % source_host,
destination = "%s/32" % target_host,
template_dir = template_dir)
# Install the flow another way
table.l3output(flow_name = "L3AR%s" % path_id.split("-")[0],
connector_id = source_port,
source = "%s/32" % target_host,
destination = "%s/32" % source_host,
template_dir = template_dir)
# Update Json file
return flask.redirect("/")
def e2e_stats(path_id, diff):
if cache_l2paths.has_key(path_id):
path = cache_l2paths[path_id]
flow_name = "L2AR%s" % path_id.split("-")[0]
source_host = ":".join(path[0].split(":")[1::])
target_host = ":".join(path[-1].split(":")[1::])
match = {'eth_type': 0x0800, 'eth_src': source_host, 'eth_dest': target_host, 'ipv4_src': '*', 'ipv4_dest': '*'}
elif cache_l3paths.has_key(path_id):
path = cache_l3paths[path_id]
flow_name = "L3AR%s" % path_id.split("-")[0]
source_host = path[0] + '/32'
target_host = path[-1] + '/32'
match = {'eth_type': 0x0800, 'eth_src': '*', 'eth_dest': '*', 'ipv4_src': source_host, 'ipv4_dest': target_host}
else:
flask.abort(404)
ports = get_ports_on_path(path)
source_switch = "%s:%s" % (ports[0][1].split(":")[0], ports[0][1].split(":")[1])
target_switch = "%s:%s" % (ports[-1][0].split(":")[0], ports[-1][0].split(":")[1])
try:
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
main_node = odl.get_node_by_id(source_switch)
oposite_node = odl.get_node_by_id(target_switch)
# Assuming installing on table 0
main_table = main_node.get_table_by_id(0)
oposite_table = oposite_node.get_table_by_id(0)
except (NodeNotFound, TableNotFound) as e:
print "Error: 404 - Switch or table not found in database"
flask.abort(404)
main = {}
for flow in main_table.get_config_flows_by_name(flow_name):
if check_match_flow(flow, **match):
main = get_rrd_stats(main_node.id, main_table.id, flow.clean_id, diff)
break
oposite = {}
for flow in oposite_table.get_config_flows_by_name(flow_name):
if check_reverse_match_flow(flow, **match):
oposite = get_rrd_stats(oposite_node.id, oposite_table.id, flow.clean_id, diff)
break
return flask.jsonify({'main': main,
'oposite': oposite,
'source': source_host,
'target': target_host})
def delete_low_priority_flows(node_id, table_id):
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
try:
node = odl.get_node_by_id(node_id)
table = node.get_table_by_id(table_id)
table.delete_low_priority_flows()
return flask.redirect("/")
except (NodeNotFloud, TableNotFound) as e:
flask.abort(404)
def path_stats(node_id, table_id, clean_flow_id, diff):
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
try:
node = odl.get_node_by_id(node_id)
table = node.get_table_by_id(table_id)
flow = table.get_flow_by_clean_id(clean_flow_id)
except (NodeNotFound, TableNotFound, FlowNotFound) as e:
return flask.abort(404)
nodes = odl.get_nodes()
data = []
eth_type = flow.get_ethernet_type()
eth_src = flow.get_ethernet_source()
eth_dest = flow.get_ethernet_destination()
ipv4_src = flow.get_ipv4_source()
ipv4_dest = flow.get_ipv4_destination()
if eth_type == 0x0800 and (eth_src != '*' or eth_dest != '*'
or ipv4_src != '*' or ipv4_dest != '*'):
path = explore_path(nodes, flow, eth_type, eth_src, eth_dest, ipv4_src,
ipv4_dest)
for n in path:
ndata = {
'id':
n['id'],
'main':
get_rrd_stats(n['id'], n['main']['table_id'],
n['main']['clean_flow_id'], diff)
}
if n.has_key('oposite'):
ndata['oposite'] = get_rrd_stats(n['id'],
n['oposite']['table_id'],
n['oposite']['clean_flow_id'],
diff)
data.append(ndata)
else:
data.append({
'id':
node.id,
'main':
get_rrd_stats(node.id, table.id, flow.clean_id, diff)
})
return flask.jsonify(data)
def delete_flow(node_id, table_id, flow_id):
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
delete_all = flask.request.form.get('delete_all')
try:
# Get the node object
node = odl.get_node_by_id(node_id)
# Get the table object
table = node.get_table_by_id(table_id)
# Get the flow
flow = table.get_flow_by_id(flow_id)
except (NodeNotFound, TableNotFound, FlowNotFound) as e:
flask.abort(404)
if delete_all:
nodes = odl.get_nodes()
for node in nodes.values():
node.delete_config_flows_by_name(flow.name)
else:
flow.delete()
return flask.redirect("/")
def install_flows_for_l2path(path_id):
"""
This will install a l2 full path flows (based on MAC addresses) in all
switches in a path.
You should use first '/api/routes/l2' to see the uid of path. This is a
necessary argument for this endpoint.
"""
client_ip = "%s" % flask.request.environ['REMOTE_ADDR']
try:
path = session_l2paths[client_ip][path_id]
path, src_vlan, dst_vlan = path['path'], path['src-vlan'], path['dst-vlan']
src_vlan = src_vlan if src_vlan != '' else None
dst_vlan = dst_vlan if dst_vlan != '' else None
except KeyError:
flask.abort(404)
ports = get_ports_on_path(path)
# [(u'openflow:562958149829575:2', u'openflow:562958149829575:21'),
# (u'openflow:440565346114459:257', u'openflow:440565346114459:217')]
data = json.loads(flask.request.get_data().decode('utf-8'))
source_host = data['source']
target_host = data['destination']
# source_host = ":".join(path[0].split(":")[1::])
# target_host = ":".join(path[-1].split(":")[1::])
# Install a flow in each switch on the path with correct output
# port.
if dst_vlan:
source_host, target_host = target_host, source_host
src_vlan, dst_vlan = dst_vlan, src_vlan
ports.reverse()
first = src_vlan
for source_port, target_port in ports:
source_switch = "%s:%s" % (source_port.split(":")[0], source_port.split(":")[1])
target_switch = "%s:%s" % (target_port.split(":")[0], target_port.split(":")[1])
# Just in case check
if (source_switch != target_switch):
print "Error 500: Switches are different on path"
flask.abort(500)
# Match: source_port, source_host, target_host, eth_type = 0x806 ?
# Target Action: target_port
# Lookup for switch in database
try:
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
node = odl.get_node_by_id(target_switch)
table = node.get_table_by_id(0) # Assuming installing on table 0
except (NodeNotFound, TableNotFound) as e:
print "Error: 404 - Switch or table not found in database"
flask.abort(404)
print "Inserting flow for %s..." % node.id
flow_name = "L2AR%s" % path_id.split('-')[0]
if first:
table.l2output(flow_name = flow_name,
in_port = source_port,
connector_id = target_port,
source = source_host,
destination = target_host,
template_dir = template_dir,
ingress_vlan = src_vlan)
table.l2output(flow_name = flow_name,
in_port = target_port,
connector_id = source_port,
source = target_host,
destination = source_host,
template_dir = template_dir,
egress_vlan = src_vlan)
first = False
continue
# Install the flow one way
table.l2output(flow_name = flow_name,
in_port = source_port,
connector_id = target_port,
source = source_host,
destination = target_host,
template_dir = template_dir)
# Install the flow another way
table.l2output(flow_name = flow_name,
in_port = target_port,
connector_id = source_port,
source = target_host,
destination = source_host,
template_dir = template_dir)
cache_l2paths[path_id] = path
# Update Json file
return flask.redirect("/")
def install_flows_for_l2path(path_id):
"""
This will install a l2 full path flows (based on MAC addresses) in all
switches in a path.
You should use first '/api/routes/l2' to see the uid of path. This is a
necessary argument for this endpoint.
"""
client_ip = "%s" % flask.request.environ['REMOTE_ADDR']
try:
path = session_l2paths[client_ip][path_id]
path, src_vlan, dst_vlan = path['path'], path['src-vlan'], path[
'dst-vlan']
src_vlan = src_vlan if src_vlan != '' else None
dst_vlan = dst_vlan if dst_vlan != '' else None
except KeyError:
flask.abort(404)
ports = get_ports_on_path(path)
# [(u'openflow:562958149829575:2', u'openflow:562958149829575:21'),
# (u'openflow:440565346114459:257', u'openflow:440565346114459:217')]
data = json.loads(flask.request.get_data().decode('utf-8'))
source_host = data['source']
target_host = data['destination']
# source_host = ":".join(path[0].split(":")[1::])
# target_host = ":".join(path[-1].split(":")[1::])
# Install a flow in each switch on the path with correct output
# port.
if dst_vlan:
source_host, target_host = target_host, source_host
src_vlan, dst_vlan = dst_vlan, src_vlan
ports.reverse()
first = src_vlan
for source_port, target_port in ports:
source_switch = "%s:%s" % (source_port.split(":")[0],
source_port.split(":")[1])
target_switch = "%s:%s" % (target_port.split(":")[0],
target_port.split(":")[1])
# Just in case check
if (source_switch != target_switch):
print "Error 500: Switches are different on path"
flask.abort(500)
# Match: source_port, source_host, target_host, eth_type = 0x806 ?
# Target Action: target_port
# Lookup for switch in database
try:
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
node = odl.get_node_by_id(target_switch)
table = node.get_table_by_id(0) # Assuming installing on table 0
except (NodeNotFound, TableNotFound) as e:
print "Error: 404 - Switch or table not found in database"
flask.abort(404)
print "Inserting flow for %s..." % node.id
flow_name = "L2AR%s" % path_id.split('-')[0]
if first:
table.l2output(flow_name=flow_name,
in_port=source_port,
connector_id=target_port,
source=source_host,
destination=target_host,
template_dir=template_dir,
ingress_vlan=src_vlan)
table.l2output(flow_name=flow_name,
in_port=target_port,
connector_id=source_port,
source=target_host,
destination=source_host,
template_dir=template_dir,
egress_vlan=src_vlan)
first = False
continue
# Install the flow one way
table.l2output(flow_name=flow_name,
in_port=source_port,
connector_id=target_port,
source=source_host,
destination=target_host,
template_dir=template_dir)
# Install the flow another way
table.l2output(flow_name=flow_name,
in_port=target_port,
connector_id=source_port,
source=target_host,
destination=source_host,
template_dir=template_dir)
cache_l2paths[path_id] = path
# Update Json file
return flask.redirect("/")
def e2e_stats(path_id, diff):
if cache_l2paths.has_key(path_id):
path = cache_l2paths[path_id]
flow_name = "L2AR%s" % path_id.split("-")[0]
source_host = ":".join(path[0].split(":")[1::])
target_host = ":".join(path[-1].split(":")[1::])
match = {
'eth_type': 0x0800,
'eth_src': source_host,
'eth_dest': target_host,
'ipv4_src': '*',
'ipv4_dest': '*'
}
elif cache_l3paths.has_key(path_id):
path = cache_l3paths[path_id]
flow_name = "L3AR%s" % path_id.split("-")[0]
source_host = path[0] + '/32'
target_host = path[-1] + '/32'
match = {
'eth_type': 0x0800,
'eth_src': '*',
'eth_dest': '*',
'ipv4_src': source_host,
'ipv4_dest': target_host
}
else:
flask.abort(404)
ports = get_ports_on_path(path)
source_switch = "%s:%s" % (ports[0][1].split(":")[0],
ports[0][1].split(":")[1])
target_switch = "%s:%s" % (ports[-1][0].split(":")[0],
ports[-1][0].split(":")[1])
try:
credentials = (odl_user, odl_pass)
odl = ODLInstance(odl_server, credentials)
main_node = odl.get_node_by_id(source_switch)
oposite_node = odl.get_node_by_id(target_switch)
# Assuming installing on table 0
main_table = main_node.get_table_by_id(0)
oposite_table = oposite_node.get_table_by_id(0)
except (NodeNotFound, TableNotFound) as e:
print "Error: 404 - Switch or table not found in database"
flask.abort(404)
main = {}
for flow in main_table.get_config_flows_by_name(flow_name):
if check_match_flow(flow, **match):
main = get_rrd_stats(main_node.id, main_table.id, flow.clean_id,
diff)
break
oposite = {}
for flow in oposite_table.get_config_flows_by_name(flow_name):
if check_reverse_match_flow(flow, **match):
oposite = get_rrd_stats(oposite_node.id, oposite_table.id,
flow.clean_id, diff)
break
return flask.jsonify({
'main': main,
'oposite': oposite,
'source': source_host,
'target': target_host
})