monitor/wrapper/plccache.py

   1 #!/usr/bin/python
   2
   3 import sys
   4 from monitor.wrapper import plc
   5 from monitor import database
   6 from monitor import config
   7
   8 def dsites_from_lsites(l_sites):
   9         d_sites = {}
  10         id2lb = {}
  11         for site in l_sites:
  12                 if not site['login_base'] in d_sites:
  13                         d_sites[site['login_base']] = site
  14                         id2lb[site['site_id']] = site['login_base']
  15                 else:
  16                         #print "Two sites have the same login_base value %s!" % site['login_base']
  17                         sys.exit(1)
  18         return (d_sites, id2lb)
  19
  20 def dsn_from_dsln(d_sites, id2lb, l_nodes):
  21         lb2hn = {}
  22         dsn = {}
  23         hn2lb = {}
  24         for id in id2lb:
  25                 if id2lb[id] not in lb2hn:
  26                         lb2hn[id2lb[id]] = []
  27
  28         for node in l_nodes:
  29                 # this won't reach sites without nodes, which I guess isn't a problem.
  30                 if node['site_id'] in id2lb.keys():
  31                         login_base = id2lb[node['site_id']]
  32                 else:
  33                         print "%s has a foreign site_id %s" % (node['hostname'],
  34                                                                                                         node['site_id'])
  35                         continue
  36                         for i in id2lb:
  37                                 print i, " ", id2lb[i]
  38                         raise Exception, "Node has missing site id!! %s %d" %(node['hostname'], node['site_id'])
  39                 if not login_base in dsn:
  40                         lb2hn[login_base] = []
  41                         dsn[login_base] = {}
  42                         dsn[login_base]['plc'] = d_sites[login_base]
  43                         dsn[login_base]['monitor'] = {} # event log, or something
  44
  45                 hostname = node['hostname']
  46                 lb2hn[login_base].append(node)
  47                 dsn[login_base][hostname] = {}
  48                 dsn[login_base][hostname]['plc'] = node
  49                 dsn[login_base][hostname]['comon'] = {}
  50                 dsn[login_base][hostname]['monitor'] = {}
  51
  52                 hn2lb[hostname] = login_base
  53         return (dsn, hn2lb, lb2hn)
  54
  55 def create_netid2ip(l_nodes, l_nodenetworks):
  56         netid2ip = {}
  57         for node in l_nodes:
  58                 for netid in node['nodenetwork_ids']:
  59                         found = False
  60                         for nn in l_nodenetworks:
  61                                 if nn['nodenetwork_id'] == netid:
  62                                         found = True
  63                                         netid2ip[netid] = nn['ip']
  64                         if not found:
  65                                 print "ERROR! %s" % node
  66
  67         return netid2ip
  68
  69 l_sites = None
  70 l_nodes = None
  71 l_pcus = None
  72 l_nodenetworks = None
  73
  74 plcdb_hn2lb = None
  75 plcdb_lb2hn = None
  76 plcdb_netid2ip = None
  77 plcdb_id2lb = None
  78
  79 def init():
  80         global l_sites
  81         global l_nodes
  82         global l_pcus
  83         global l_nodenetworks
  84         global plcdb_hn2lb
  85         global plcdb_lb2hn
  86         global plcdb_netid2ip
  87         global plcdb_id2lb
  88
  89         api = plc.getCachedAuthAPI()
  90         l_sites = api.GetSites({'peer_id':None},
  91                                                         ['login_base', 'site_id', 'abbreviated_name', 'latitude',
  92                                                         'longitude', 'max_slices', 'slice_ids', 'node_ids', 'enabled' ])
  93         l_nodes = api.GetNodes({'peer_id':None},
  94                                                         ['hostname', 'node_id', 'ports', 'site_id', 'version', 'last_updated',
  95                                                          'date_created', 'last_contact', 'pcu_ids', 'nodenetwork_ids'])
  96         l_pcus = api.GetPCUs()
  97         l_nodenetworks = api.GetNodeNetworks()
  98
  99         (d_sites,id2lb) = dsites_from_lsites(l_sites)
 100         (plcdb, hn2lb, lb2hn) = dsn_from_dsln(d_sites, id2lb, l_nodes)
 101         netid2ip = create_netid2ip(l_nodes, l_nodenetworks)
 102
 103         plcdb_hn2lb = hn2lb
 104         plcdb_lb2hn = lb2hn
 105         plcdb_netid2ip = netid2ip
 106         plcdb_id2lb = id2lb
 107
 108         return l_nodes
 109
 110
 111 def create_plcdb():
 112
 113         # get sites, and stats
 114         l_sites = plc.getSites({'peer_id':None}, ['login_base', 'site_id', 'abbreviated_name', 'latitude', 'longitude',
 115                                                                                           'max_slices', 'slice_ids', 'node_ids' ])
 116         if len(l_sites) == 0:
 117                 sys.exit(1)
 118         (d_sites,id2lb) = dsites_from_lsites(l_sites)
 119
 120         # get nodes at each site, and
 121         l_nodes = plc.getNodes({'peer_id':None}, ['hostname', 'node_id', 'ports', 'site_id', 'version',
 122                                                   'last_updated', 'date_created', 'last_contact', 'pcu_ids', 'nodenetwork_ids'])
 123
 124         l_nodenetworks = plc.getNodeNetworks()
 125         (plcdb, hn2lb, lb2hn) = dsn_from_dsln(d_sites, id2lb, l_nodes)
 126         netid2ip = create_netid2ip(l_nodes, l_nodenetworks)
 127
 128         # save information for future.
 129         id2lb = id2lb
 130         hn2lb = hn2lb
 131         db = plcdb
 132
 133         if ('cachenodes' in dir(config) and config.cachenodes) or \
 134                 'cachenodes' not in dir(config):
 135                 database.dbDump("plcdb_hn2lb", hn2lb)
 136                 database.dbDump("plcdb_lb2hn", lb2hn)
 137                 database.dbDump("plcdb_netid2ip", netid2ip)
 138                 database.dbDump("l_plcnodenetworks", l_nodenetworks)
 139                 database.dbDump("l_plcnodes", l_nodes)
 140                 database.dbDump("l_plcsites", l_sites)
 141
 142         return l_nodes
 143
 144 if __name__ == '__main__':
 145         create_plcdb()
 146 else:
 147         print "calling plccache init()"
 148         init()