def get_port_channels(fabricName,attached_net_len = -1):
from dcnm_modules import get_switch_role
from dcnm_modules import get_leaf_nodes
leaf_nodes = get_leaf_nodes(fabricName)
leafs_serial = []
for i in leaf_nodes:
leafs_serial.append(i['serial_no'])
username = dcnm_credentials.username
password = dcnm_credentials.password
url = 'https://' + dcnm_credentials.node_ip
posturl = url + f'/rest/control/fabrics/{fabricName}'
dcnm_token = dcnm_auth.auth(url, username, password)
headers = {'Dcnm-Token': dcnm_token, 'Content-Type': 'application/json'}
response1 = requests.get(posturl, verify=False, headers=headers)
fabric = json.loads(response1.text)
fabric_id = fabric['id']
posturl = url + f'/rest/globalInterface/?navId={fabric_id}'
headers = {'Dcnm-Token': dcnm_token, 'Content-Type': 'application/json'}
response = requests.get(posturl, verify=False, headers=headers)
po_list = []
attached_net =[]
po_list_per_attached_net = []
if response.status_code == 200:
output = json.loads(response.text)
#pprint.pprint(output)
print('Checking all the interface types in the fabric..')
for item in output:
if item['serialNo'] in leafs_serial and item['underlayPoliciesStr'] != None and item['ifType'].upper() == 'INTERFACE_PORT_CHANNEL':
po_type = re.findall('vpc_peer_link',item['underlayPoliciesStr'])
if len(po_type) > 0:
peer_link = True
else:
peer_link = False
port_channel = {'leaf': item['sysName'], 'serial_no': item['serialNo'],
'vpc_id': item['vpcId'], 'po_name': item['underlayPolicies'][0]['entityName'],
'source': item['underlayPolicies'][0]['source'],
'po_member_list': item['portChannelMemberList'],
'vpc_pair_serial_no': item['vpcEntityId'], 'vrf': item['vrf'],
'vpc_name': item['underlayPolicies'][0]['source'],
'if_type': item['ifType'],'interfaceDbId': item['interfaceDbId'],
'po_policy': item['underlayPoliciesStr']
}
if len(item['overlayNetwork']) > 0:
for net in item['overlayNetwork']:
attached_net.append(net['templateName'])
port_channel['attached_net'] = attached_net
else:
port_channel['attached_net'] = []
po_list.append(port_channel)
if attached_net_len == -1:
#pprint.pprint(po_list)
return po_list
elif attached_net_len >= 0:
for po in po_list:
if len(po['attached_net']) == attached_net_len:
po_list_per_attached_net.append(po)
return po_list_per_attached_net
if len(sys.argv) < 3:
print(f'usage python {sys.argv[0]} fabric-name network_prefix')
print('Example python dcnm_detach_intf cus')
sys.exit()
fabricName = sys.argv[1]
network_prefix = sys.argv[2]
interface = ''
username = dcnm_credentials.username
password = dcnm_credentials.password
url = 'https://' + dcnm_credentials.node_ip
posturl = url + f'/rest/top-down/fabrics/{fabricName}/networks/attachments'
dcnm_token = dcnm_auth.auth(url,username,password)
headers = {'Dcnm-Token': dcnm_token, 'Content-Type': 'application/json'}
leaf_nodes = dcnm_modules.get_leaf_nodes(fabricName)
network_list = dcnm_modules.network_list(fabricName,'all')
payload_list = []
lanattachedlist = []
net_list = []
delete_list= []
for node in leaf_nodes:
for network in network_list:
if network['network'].lower()[:3] == network_prefix.lower():
net_list.append(network['network'])
print(f"Network prefix matched, going to detach interface from network {network['network']}")
delete_load = {
"scopeType": "Device",
"allocatedTo": network['network'],
"serialNumber": node['serial_no'],
intf = re.split(',',intf_range)
int_per_chnl_list = []
intf_count = 0
intfChnl = ''
#print(intf_range)
for interface in intf:
intfChnl += f'{interface},'
intf_count += 1
if intf_count == int(intf_per_chnl):
int_per_chnl_list.append(intfChnl[:-1])
intfChnl = ''
intf_count = 0
print(int_per_chnl_list)
port_channel_all_nodes = dcnm_modules.get_leaf_nodes(fabricName)
if port_channel_type == 'trunk':
port_channel_dict = port_channel_template.trunk
elif port_channel_type == 'access':
port_channel_dict = port_channel_template.access
elif port_channel_type == 'dot1qtunnel':
port_channel_dict = port_channel_template.dot1qtunnel
elif port_channel_type == 'routed':
port_channel_dict = port_channel_template.routed_chnl
vrf = input('Please enter the vrf name for the routed port channel: default if there is no vrf:')
ip_add = input('Please enter the starting ipv4/ipv6 address for the routed port channel:')
mask = input('Please enter ipv4/ipv6 address prefix length:')
ip_address = ipaddress.ip_address(ip_add)
