126 lines
3.9 KiB
Python
126 lines
3.9 KiB
Python
# Copyright (c) 2016 Hewlett-Packard Enterprise Development Company LP
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import print_function
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import csv
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import json
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import os
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import sys
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def _load_data_from_csv(path):
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with open(path) as csvfile:
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csvdata = [row for row in csv.reader(csvfile)]
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inventory = {}
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# NOTE(pas-ha) convert to structure similar to JSON inventory
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for entry in csvdata:
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mac = entry[0]
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hostname = entry[10]
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ip = entry[11]
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inventory[hostname] = {
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'nics': [{'mac': mac}],
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'name': hostname,
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'ipv4_address': ip
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}
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return inventory
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def _load_data_from_json(path):
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with open(path) as jsonfile:
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inventory = json.load(jsonfile)
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return inventory
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def main(argv):
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# first item is the inventory_dhcp setting
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# second item is the inventory_dhcp_static_ip setting
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inventory_dhcp = (argv[0] == 'True' or argv[0] == 'true')
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inventory_dhcp_static_ip = (argv[1] == 'True' or argv[1] == 'true')
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if not inventory_dhcp:
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# nothing to validate
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sys.exit(0)
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# load data from json file
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if os.path.exists('/tmp/baremetal.json'):
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inventory = _load_data_from_json('/tmp/baremetal.json')
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# load data from csv file
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elif os.path.exists('/tmp/baremetal.csv'):
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try:
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inventory = _load_data_from_csv('/tmp/baremetal.csv')
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except Exception:
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# try load *.csv as json for backward compatibility
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inventory = _load_data_from_json('/tmp/baremetal.csv')
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else:
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print('ERROR: Inventory file has not been generated')
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sys.exit(1)
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# now check that we only have these entries in leases file
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leases = []
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if not os.path.exists('/var/lib/misc/dnsmasq.leases'):
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if not os.path.exists('/var/lib/dnsmasq/dnsmasq.leases'):
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print('ERROR: dnsmasq leases file has not been generated')
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sys.exit(1)
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else:
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dns_path = '/var/lib/dnsmasq/dnsmasq.leases'
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else:
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dns_path = '/var/lib/misc/dnsmasq.leases'
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with open(dns_path) as csvfile:
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leases_reader = csv.reader(csvfile, delimiter=' ')
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for row in leases_reader:
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leases.append(row)
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# first we test number of entries
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if len(leases) != len(inventory):
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print('ERROR: Number of entries do not match with inventory')
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sys.exit(1)
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# then we check that all macs and hostnames are present
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for value in inventory.values():
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# NOTE(pas-ha) supporting only single nic
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mac = value['nics'][0]['mac']
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hostname = value['name']
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ip = value['ipv4_address']
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# mac check
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for lease_entry in leases:
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if lease_entry[1] == mac:
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break
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else:
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print('ERROR: No mac found in leases')
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sys.exit(1)
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# hostname check
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for lease_entry in leases:
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if lease_entry[3] == hostname:
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# if we use static ip, we need to check that ip matches
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# with hostname in leases
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if inventory_dhcp_static_ip:
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if lease_entry[2] != ip:
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print('ERROR: IP does not match with inventory')
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sys.exit(1)
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break
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else:
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print('ERROR: No hostname found in leases')
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sys.exit(1)
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sys.exit(0)
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if __name__ == "__main__":
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main(sys.argv[1:])
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