Added show interface fex command. Move switch commands to separate su…

…bdirectory

samples/switch-commands/aci-show-interface-fex.py

@@ -0,0 +1,112 @@
+#!/usr/bin/env python
+"""
+This application replicates the switch CLI command 'show interface fex'
+It largely uses raw queries to the APIC API
+"""
+from acitoolkit import Credentials, Session
+from tabulate import tabulate
+
+
+def show_interface_fex(apic, node_ids):
+    """
+    Show interface fex
+
+    :param apic: Session instance logged in to the APIC
+    :param node_ids: List of strings containing node ids
+    :return: None
+    """
+    for node_id in node_ids:
+        query_url = ('/api/mo/topology/pod-1/node-%s.json?query-target=subtree'
+                     '&target-subtree-class=satmDExtCh' % node_id)
+        resp = apic.get(query_url)
+        if not resp.ok:
+            print 'Could not collect APIC data for switch %s.' % node_id
+            print resp.text
+            return
+        fex_list = {}
+        for obj in resp.json()['imdata']:
+            obj_attr = obj['satmDExtCh']['attributes']
+            fex_list[obj_attr['id']] = (obj_attr['model'], obj_attr['ser'])
+        query_url = ('/api/mo/topology/pod-1/node-%s.json?query-target=subtree'
+                     '&target-subtree-class=satmFabP' % node_id)
+        resp = apic.get(query_url)
+        if not resp.ok:
+            print 'Could not collect APIC data for switch %s.' % node_id
+            print resp.text
+            return
+        data = []
+        for obj in resp.json()['imdata']:
+            obj_attr = obj['satmFabP']['attributes']
+            fex = obj_attr['extChId']
+            fabric_port = obj_attr['id']
+            if fabric_port.startswith('po'):
+                continue
+            fabric_port_state = obj_attr['fsmSt']
+            fex_uplink = obj_attr['remoteLinkId']
+            try:
+                model, serial = fex_list[fex]
+            except KeyError:
+                model, serial = '--', '--'
+            data.append((int(fex), fabric_port, fabric_port_state, fex_uplink, model, serial))
+        data.sort(key=lambda tup: tup[0])
+        if len(data):
+            print 'Switch:', node_id
+            print tabulate(data, headers=['Fex', 'Fabric Port', 'Fabric Port State',
+                                          'Fex uplink', 'Fex model', 'Fex serial'])
+            print '\n'
+
+
+def get_node_ids(apic, args):
+    """
+    Get the list of node ids from the command line arguments.
+    If none, get all of the node ids
+    :param apic: Session instance logged in to the APIC
+    :param args: Command line arguments
+    :return: List of strings containing node ids
+    """
+    if args.switch is not None:
+        names = [args.switch]
+    else:
+        names = []
+        query_url = ('/api/node/class/fabricNode.json?'
+                     'query-target-filter=eq(fabricNode.role,"leaf")')
+        resp = apic.get(query_url)
+        if not resp.ok:
+            print 'Could not get switch list from APIC.'
+            return
+        nodes = resp.json()['imdata']
+        for node in nodes:
+            names.append(str(node['fabricNode']['attributes']['id']))
+    return names
+
+
+def main():
+    """
+    Main common routine for show interface description
+    :return: None
+    """
+    # Set up the command line options
+    creds = Credentials(['apic', 'nosnapshotfiles'],
+                        description=("This application replicates the switch "
+                                     "CLI command 'show interface fex'"))
+    creds.add_argument('-s', '--switch',
+                       type=str,
+                       default=None,
+                       help='Specify a particular switch id, e.g. "101"')
+    args = creds.get()
+
+    # Login to APIC
+    apic = Session(args.url, args.login, args.password)
+    if not apic.login().ok:
+        print('%% Could not login to APIC')
+        return
+
+    # Show interface description
+    node_ids = get_node_ids(apic, args)
+    show_interface_fex(apic, node_ids)
+
+if __name__ == '__main__':
+    try:
+        main()
+    except KeyboardInterrupt:
+        pass