Scripts for generating subnets and devices.

subnets.py

@@ -0,0 +1,53 @@
+#!/usr/bin/python3
+
+from netaddr import IPNetwork
+import csv
+import sys
+import re
+
+Section = "CDRN / TRN WAN"
+
+fields = [
+    'Section',
+    'Subnet',
+    'Mask',
+    'Description',
+]
+
+subnets = []
+
+inFilePath = sys.argv[1]
+
+if len(sys.argv) == 3:
+    outFile = open(sys.argv[2], 'w')
+else:
+    outFile = sys.stdout
+
+csvWriter = csv.DictWriter(outFile, fieldnames=fields,
+    delimiter=',', quotechar='"',
+    quoting=csv.QUOTE_MINIMAL)
+
+csvWriter.writeheader()
+
+with open(inFilePath, 'r', newline='') as inFile:
+    csvReader = csv.DictReader(inFile)
+    outRow = {}
+
+    for inRow in csvReader:
+        outRow['Section'] = Section
+        subnet = IPNetwork(inRow['IP-Address'] + '/' + inRow['Subnet-Mask']).cidr
+        if subnet in subnets:
+            continue
+        subnets.append(subnet)
+        outRow['Subnet'] = str(subnet)
+        outRow['Mask'] = inRow['Subnet-Mask']
+        try:
+            outRow['Description'] = re.search(r"(([a-zA-Z]+S\d)|(C[a-zA-Z]+\d+)|(T[a-zA-Z]+)|([a-zA-Z]+(-Core)?))([\- ]+\d )?.*", inRow['Site-Name']).group(1) + '-SC200'
+        except AttributeError:
+            print(inRow['Site-Name'])
+            outRow['Description'] = inRow['Site-Name']
+
+        csvWriter.writerow(outRow)
+    inFile.close()
+
+outFile.close()