root / snf-cyclades-app / synnefo / logic / management / commands / reconcile-pools.py @ 9621c777
History | View | Annotate | Download (6.5 kB)
1 |
# Copyright 2011-2012 GRNET S.A. All rights reserved.
|
---|---|
2 |
#
|
3 |
# Redistribution and use in source and binary forms, with or without
|
4 |
# modification, are permitted provided that the following conditions
|
5 |
# are met:
|
6 |
#
|
7 |
# 1. Redistributions of source code must retain the above copyright
|
8 |
# notice, this list of conditions and the following disclaimer.
|
9 |
#
|
10 |
# 2. Redistributions in binary form must reproduce the above copyright
|
11 |
# notice, this list of conditions and the following disclaimer in the
|
12 |
# documentation and/or other materials provided with the distribution.
|
13 |
#
|
14 |
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
15 |
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
16 |
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
17 |
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
18 |
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
19 |
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
20 |
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
21 |
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
22 |
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
23 |
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
24 |
# SUCH DAMAGE.
|
25 |
#
|
26 |
# The views and conclusions contained in the software and documentation are
|
27 |
# those of the authors and should not be interpreted as representing official
|
28 |
# policies, either expressed or implied, of GRNET S.A.
|
29 |
#
|
30 |
from django.core.management.base import BaseCommand |
31 |
|
32 |
from synnefo.db.models import (Network, BackendNetwork, |
33 |
BridgePoolTable, MacPrefixPoolTable) |
34 |
from synnefo.db.pools import EmptyPool |
35 |
|
36 |
|
37 |
class Command(BaseCommand): |
38 |
help = 'Check consistency of unique resources.'
|
39 |
|
40 |
def handle(self, **options): |
41 |
self.detect_bridges()
|
42 |
self.detect_mac_prefixes()
|
43 |
self.detect_unique_mac_prefixes()
|
44 |
|
45 |
def detect_bridges(self): |
46 |
write = self.stdout.write
|
47 |
|
48 |
write("---------------------------------------\n")
|
49 |
write("Checking consistency of the Bridge Pool\n")
|
50 |
write("---------------------------------------\n")
|
51 |
|
52 |
try:
|
53 |
bridge_pool = BridgePoolTable.get_pool() |
54 |
except EmptyPool:
|
55 |
write("No Bridge Pool\n")
|
56 |
return
|
57 |
bridges = [] |
58 |
for i in xrange(0, bridge_pool.size()): |
59 |
used_bridge = not (bridge_pool.is_available(i, index=True) or |
60 |
bridge_pool.is_reserved(i, index=True))
|
61 |
if used_bridge:
|
62 |
bridges.append(bridge_pool.index_to_value(i)) |
63 |
|
64 |
write("Used bridges from Pool: %d\n" % len(bridges)) |
65 |
|
66 |
network_bridges = Network.objects.filter(flavor='PHYSICAL_VLAN',
|
67 |
deleted=False)\
|
68 |
.values_list('link', flat=True) |
69 |
|
70 |
write("Used bridges from Networks: %d\n" % len(network_bridges)) |
71 |
|
72 |
set_network_bridges = set(network_bridges)
|
73 |
if len(network_bridges) > len(set_network_bridges): |
74 |
write("Found duplicated bridges:\n")
|
75 |
duplicates = list(network_bridges)
|
76 |
for bridge in set_network_bridges: |
77 |
duplicates.remove(bridge) |
78 |
for bridge in set(duplicates): |
79 |
write("Duplicated bridge: %s. " % bridge)
|
80 |
write("Used by the following Networks:\n")
|
81 |
nets = Network.objects.filter(deleted=False, link=bridge)
|
82 |
write(" " + "\n ".join([str(net.id) for net in nets]) + "\n") |
83 |
|
84 |
def detect_mac_prefixes(self): |
85 |
write = self.stdout.write
|
86 |
|
87 |
write("---------------------------------------\n")
|
88 |
write("Checking consistency of the MAC Prefix Pool\n")
|
89 |
write("---------------------------------------\n")
|
90 |
|
91 |
try:
|
92 |
macp_pool = MacPrefixPoolTable.get_pool() |
93 |
except EmptyPool:
|
94 |
write("No mac-prefix pool\n")
|
95 |
return
|
96 |
|
97 |
macs = [] |
98 |
for i in xrange(1, macp_pool.size()): |
99 |
used_macp = not (macp_pool.is_available(i, index=True) or |
100 |
macp_pool.is_reserved(i, index=True))
|
101 |
if used_macp:
|
102 |
value = macp_pool.index_to_value(i) |
103 |
macs.append(value) |
104 |
|
105 |
write("Used MAC prefixes from Pool: %d\n" % len(macs)) |
106 |
|
107 |
network_mac_prefixes = \ |
108 |
Network.objects.filter(deleted=False, flavor='MAC_FILTERED')\ |
109 |
.values_list('mac_prefix', flat=True) |
110 |
write("Used MAC prefixes from Networks: %d\n" %
|
111 |
len(network_mac_prefixes))
|
112 |
|
113 |
set_network_mac_prefixes = set(network_mac_prefixes)
|
114 |
if len(network_mac_prefixes) > len(set_network_mac_prefixes): |
115 |
write("Found duplicated mac_prefixes:\n")
|
116 |
duplicates = list(network_mac_prefixes)
|
117 |
for mac_prefix in set_network_mac_prefixes: |
118 |
duplicates.remove(mac_prefix) |
119 |
for mac_prefix in set(duplicates): |
120 |
write("Duplicated mac_prefix: %s. " % mac_prefix)
|
121 |
write("Used by the following Networks:\n")
|
122 |
nets = Network.objects.filter(deleted=False,
|
123 |
mac_prefix=mac_prefix) |
124 |
write(" " + "\n ".join([str(net.id) for net in nets]) + "\n") |
125 |
|
126 |
def detect_unique_mac_prefixes(self): |
127 |
write = self.stdout.write
|
128 |
|
129 |
write("---------------------------------------\n")
|
130 |
write("Checking uniqueness of BackendNetwork prefixes.\n")
|
131 |
write("---------------------------------------\n")
|
132 |
|
133 |
back_networks = BackendNetwork.objects |
134 |
mac_prefixes = back_networks.filter(deleted=False,
|
135 |
network__flavor='MAC_FILTERED')\
|
136 |
.values_list('mac_prefix', flat=True) |
137 |
set_mac_prefixes = set(mac_prefixes)
|
138 |
if len(mac_prefixes) > len(set_mac_prefixes): |
139 |
write("Found duplicated mac_prefixes:\n")
|
140 |
duplicates = list(mac_prefixes)
|
141 |
for mac_prefix in set_mac_prefixes: |
142 |
duplicates.remove(mac_prefix) |
143 |
for mac_prefix in set(duplicates): |
144 |
write("Duplicated mac_prefix: %s. " % mac_prefix)
|
145 |
write("Used by the following BackendNetworks:\n")
|
146 |
nets = BackendNetwork.objects.filter(deleted=False,
|
147 |
mac_prefix=mac_prefix) |
148 |
write(" " + "\n ".join([str(net.id) for net in nets]) + "\n") |