3 """ DRL configurator. """
13 <?xml version="1.0" encoding="UTF-8"?>
16 <machine id="%d" limit="%d" commfabric="MESH" accounting="STANDARD" ewma="0.1" htb_node="100" htb_parent="10">
23 def start(options, conf):
24 logger.log('drl plugin starting up...')
27 def DRLSetup(site_name, slice_name, site_id, bw_limit, peer):
28 DRL_file = '/vservers/%s/etc/drl.xml' % slice_name
29 DRL_config = drl % (site_name, site_id, bw_limit, peer)
31 # Check config changes
32 if os.path.exists(DRL_file):
34 new_digest = md5.new(DRL_config).digest()
35 old_digest = md5.new(open(DRL_file).read()).digest()
36 if old_digest == new_digest:
37 logger.log('drl: %s already exists...' % DRL_file)
38 DRLInstall(slice_name)
40 DRLConfig(DRL_file, DRL_config)
41 DRLInstall(slice_name)
44 def DRLConfig(DRL_file, DRL_config):
45 logger.log('drl: %s is out-dated...' % DRL_file)
46 logger.log('drl: generating %s' % DRL_file)
47 f = open( DRL_file, 'w')
52 def DRLInstall(slice_name):
53 if not os.path.exists('/vservers/%s/etc/yum.repos.d/myplc.repo' % slice_name):
54 shutil.copyfile('/etc/yum.myplc.d/myplc.repo', '/vservers/%s/etc/yum.repos.d/myplc.repo' % slice_name)
55 logger.log('drl: installing DistributedRateLimiting into %s slice' % slice_name)
56 logger.log_call('vserver', '%s' % slice_name, 'suexec', '0', 'yum', 'install', '-y', '-q', 'DistributedRateLimiting')
57 logger.log_call('vserver', '%s' % slice_name, 'suexec', '0', 'chkconfig', '--add', 'ulogd')
59 logger.log('drl: installing DistributedRateLimiting into %s slice' % slice_name)
60 logger.log_call('vserver', '%s' % slice_name, 'suexec', '0', 'yum', 'update', '-y', '-q', 'DistributedRateLimiting')
62 logger.log('drl: (re)starting DistributedRateLimiting service')
63 logger.log_call('vserver', '%s' % slice_name, 'suexec', '0', 'service', 'ulogd', 'restart')
66 def GetSlivers(data, conf = None, plc = None):
69 node_id = tools.node_id()
71 for sliver in data['slivers']:
72 for attribute in sliver['attributes']:
73 tag = attribute['tagname']
74 value = attribute['value']
75 if tag == 'drl' and value == '1':
77 DRL_SLICE_NAME = sliver['name']
80 site_id = plc.GetNodes({'node_id': int(node_id) }, ['site_id'])
81 site_id = site_id[0]['site_id']
83 q = plc.GetSites({'site_id': site_id, 'enabled': True, 'peer_site_id': None}, ['name', 'node_ids'])
85 if i['node_ids'] != [] and len(i['node_ids']) > 1:
86 z = plc.GetNodeNetworks({'node_id': i['node_ids'], 'is_primary': True, '~bwlimit': None}, ['node_id', 'ip', 'bwlimit'])
90 for j in range(len(z)):
91 total_bwlimit += z[j]['bwlimit']
92 if z[j]['node_id'] != int(node_id):
93 peer += '\t<peer>%s</peer>\n' % z[j]['ip']
97 DRLSetup(i['name'], DRL_SLICE_NAME, site_id, total_bwlimit/1000, peer)
99 logger.log('drl: This node has no bwlimit')
102 logger.log('drl: This site has only %s node' % len(i['node_ids']))
104 logger.log('drl: This node has no drl slice!...')