nodecommon.py

   1
   2 import time
   3 import struct
   4 from pcucontrol import reboot
   5
   6 from monitor import util
   7 from monitor import database
   8 from monitor.wrapper import plc, plccache
   9
  10 from datetime import datetime
  11 from monitor.model import PersistFlags
  12
  13 esc = struct.pack('i', 27)
  14 RED     = esc + "[1;31m"
  15 GREEN   = esc + "[1;32m"
  16 YELLOW  = esc + "[1;33m"
  17 BLUE    = esc + "[1;34m"
  18 LIGHTBLUE       = esc + "[1;36m"
  19 NORMAL  = esc + "[0;39m"
  20
  21 def red(str):
  22         return RED + str + NORMAL
  23
  24 def yellow(str):
  25         return YELLOW + str + NORMAL
  26
  27 def green(str):
  28         return GREEN + str + NORMAL
  29
  30 def lightblue(str):
  31         return LIGHTBLUE + str + NORMAL
  32
  33 def blue(str):
  34         return BLUE + str + NORMAL
  35
  36 def get_current_state(fbnode):
  37         if 'observed_status' in fbnode:
  38                 state = fbnode['observed_status']
  39         else:
  40                 state = "none"
  41         l = state.lower()
  42         if l == "debug": l = 'dbg '
  43         return l
  44
  45 def color_pcu_state(fbnode):
  46
  47         if 'plcnode' in fbnode and 'pcu_ids' in fbnode['plcnode'] and len(fbnode['plcnode']['pcu_ids']) > 0 :
  48                 values = reboot.get_pcu_values(fbnode['plcnode']['pcu_ids'][0])
  49                 if values == None:
  50                         return fbnode['pcu']
  51         else:
  52                 if 'pcu' not in fbnode:
  53                         return 'NOPCU'
  54                 else:
  55                         return fbnode['pcu']
  56
  57         if 'reboot' in values:
  58                 rb = values['reboot']
  59                 if rb == 0 or rb == "0":
  60                         return fbnode['pcu'] + "OK  "
  61                         #return fbnode['pcu'] + "OK  "
  62                         #return green(fbnode['pcu'])
  63                 elif "NetDown" == rb  or "Not_Run" == rb:
  64                         return fbnode['pcu'] + "DOWN"
  65                         #return yellow(fbnode['pcu'])
  66                 else:
  67                         return fbnode['pcu'] + "BAD "
  68                         #return red(fbnode['pcu'])
  69         else:
  70                 #return red(fbnode['pcu'])
  71                 return fbnode['pcu'] + "BAD "
  72
  73 def color_boot_state(l):
  74         if    l == "dbg": return yellow("debg")
  75         elif  l == "dbg ": return yellow("debg")
  76         elif  l == "diag": return lightblue(l)
  77         elif  l == "disable": return red("dsbl")
  78         elif  l == "down": return red(l)
  79         elif  l == "boot": return green(l)
  80         elif  l == "rins": return blue(l)
  81         else:
  82                 return l
  83
  84 def diff_time(timestamp, abstime=True):
  85         import math
  86         now = time.time()
  87         if timestamp == None:
  88                 return "unknown"
  89         if abstime:
  90                 diff = now - timestamp
  91         else:
  92                 diff = timestamp
  93         # return the number of seconds as a difference from current time.
  94         t_str = ""
  95         if diff < 60: # sec in min.
  96                 t = diff / 1
  97                 t_str = "%s sec ago" % int(math.ceil(t))
  98         elif diff < 60*60: # sec in hour
  99                 t = diff / (60)
 100                 t_str = "%s min ago" % int(math.ceil(t))
 101         elif diff < 60*60*24: # sec in day
 102                 t = diff / (60*60)
 103                 t_str = "%s hrs ago" % int(math.ceil(t))
 104         elif diff < 60*60*24*14: # sec in week
 105                 t = diff / (60*60*24)
 106                 t_str = "%s days ago" % int(math.ceil(t))
 107         elif diff <= 60*60*24*30: # approx sec in month
 108                 t = diff / (60*60*24*7)
 109                 t_str = "%s wks ago" % int(math.ceil(t))
 110         elif diff > 60*60*24*30: # approx sec in month
 111                 t = diff / (60*60*24*30)
 112                 t_str = "%s mnths ago" % int(t)
 113         return t_str
 114
 115 def getvalue(fb, path):
 116     indexes = path.split("/")
 117     values = fb
 118     for index in indexes:
 119         if index in values:
 120             values = values[index]
 121         else:
 122             return None
 123     return values
 124
 125 def nodegroup_display(node, fbdata, conf=None):
 126         node['current'] = get_current_state(fbdata)
 127
 128         s = fbdata['kernel_version'].split()
 129         if len(s) >=3:
 130                 node['kernel_version'] = s[2]
 131         else:
 132                 node['kernel_version'] = fbdata['kernel_version']
 133
 134         if '2.6' not in node['kernel_version']: node['kernel_version'] = ""
 135         if conf and not conf.nocolor:
 136             node['boot_state']  = color_boot_state(node['boot_state'])
 137             node['current']     = color_boot_state(node['current'])
 138
 139         if type(fbdata['plc_node_stats']['pcu_ids']) == type([]):
 140                 node['pcu'] = "PCU"
 141         node['lastupdate'] = diff_time(node['last_contact'])
 142
 143         pf = PersistFlags(node['hostname'], 1, db='node_persistflags')
 144         try:
 145                 node['lc'] = diff_time(pf.last_changed)
 146         except:
 147                 node['lc'] = "err"
 148
 149         ut = fbdata['comon_stats']['uptime']
 150         if ut != "null":
 151                 ut = diff_time(float(fbdata['comon_stats']['uptime']), False)
 152         node['uptime'] = ut
 153
 154         return "%(hostname)-42s %(boot_state)8s %(current)5s %(pcu)6s %(key)10.10s... %(kernel_version)35.35s %(lastupdate)12s, %(lc)s, %(uptime)s" % node
 155
 156 def datetime_fromstr(str):
 157         if '-' in str:
 158                 try:
 159                         tup = time.strptime(str, "%Y-%m-%d")
 160                 except:
 161                         tup = time.strptime(str, "%Y-%m-%d-%H:%M")
 162         elif '/' in str:
 163                 tup = time.strptime(str, "%m/%d/%Y")
 164         else:
 165                 tup = time.strptime(str, "%m/%d/%Y")
 166         ret = datetime.fromtimestamp(time.mktime(tup))
 167         return ret
 168
 169 def get_nodeset(config):
 170         """
 171                 Given the config values passed in, return the set of hostnames that it
 172                 evaluates to.
 173         """
 174         api = plc.getAuthAPI()
 175         l_nodes = plccache.l_nodes
 176
 177         if config.nodelist:
 178                 f_nodes = util.file.getListFromFile(config.nodelist)
 179                 l_nodes = filter(lambda x: x['hostname'] in f_nodes, l_nodes)
 180         elif config.node:
 181                 f_nodes = [config.node]
 182                 l_nodes = filter(lambda x: x['hostname'] in f_nodes, l_nodes)
 183         elif config.nodegroup:
 184                 ng = api.GetNodeGroups({'name' : config.nodegroup})
 185                 l_nodes = api.GetNodes(ng[0]['node_ids'], ['hostname'])
 186         elif config.site:
 187                 site = api.GetSites(config.site)
 188                 l_nodes = api.GetNodes(site[0]['node_ids'], ['hostname'])
 189
 190         l_nodes = [node['hostname'] for node in l_nodes]
 191
 192         # perform this query after the above options, so that the filter above
 193         # does not break.
 194         if config.nodeselect:
 195                 fbquery = FindbadNodeRecord.get_all_latest()
 196                 node_list = [ n.hostname for n in fbquery ]
 197                 l_nodes = node_select(config.nodeselect, node_list, None)
 198
 199         return l_nodes
 200