monitor/common.py

   1
   2 import time
   3 import struct
   4 from monitor import reboot
   5 from monitor import util
   6 from monitor import database
   7 from monitor.wrapper import plc, plccache
   8
   9 from datetime import datetime, timedelta
  10 from monitor.model import Message
  11 from monitor.database.info import HistoryNodeRecord
  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         elif  l == "reinstall": return blue(l)
  82         else:
  83                 return l
  84
  85 def diff_time(timestamp, abstime=True):
  86         import math
  87         now = time.time()
  88         if timestamp == None:
  89                 return "unknown"
  90         if type(timestamp) == type(datetime.now()):
  91                 timestamp = time.mktime(timestamp.timetuple())
  92         if abstime:
  93                 diff = now - timestamp
  94         else:
  95                 diff = timestamp
  96         # return the number of seconds as a difference from current time.
  97         t_str = ""
  98         if diff < 60: # sec in min.
  99                 t = diff / 1
 100                 t_str = "%s sec ago" % int(math.ceil(t))
 101         elif diff < 60*60: # sec in hour
 102                 t = diff / (60)
 103                 t_str = "%s min ago" % int(math.ceil(t))
 104         elif diff < 60*60*24: # sec in day
 105                 t = diff / (60*60)
 106                 t_str = "%s hrs ago" % int(math.ceil(t))
 107         elif diff < 60*60*24*14: # sec in week
 108                 t = diff / (60*60*24)
 109                 t_str = "%s days ago" % int(math.ceil(t))
 110         elif diff <= 60*60*24*30: # approx sec in month
 111                 t = diff / (60*60*24*7)
 112                 t_str = "%s wks ago" % int(math.ceil(t))
 113         elif diff > 60*60*24*30: # approx sec in month
 114                 t = diff / (60*60*24*30)
 115                 t_str = "%s mnths ago" % int(t)
 116         return t_str
 117
 118 def getvalue(fb, path):
 119     indexes = path.split("/")
 120     values = fb
 121     for index in indexes:
 122         if index in values:
 123             values = values[index]
 124         else:
 125             return None
 126     return values
 127
 128 def nmap_port_status(status):
 129         ps = {}
 130         l_nmap = status.split()
 131         ports = l_nmap[4:]
 132
 133         continue_probe = False
 134         for port in ports:
 135                 results = port.split('/')
 136                 ps[results[0]] = results[1]
 137                 if results[1] == "open":
 138                         continue_probe = True
 139         return (ps, continue_probe)
 140
 141
 142 def nodegroup_display(node, fbdata, conf=None):
 143         node['current'] = get_current_state(fbdata)
 144
 145         s = fbdata['kernel_version'].split()
 146         if len(s) >=3:
 147                 node['kernel_version'] = s[2]
 148         else:
 149                 node['kernel_version'] = fbdata['kernel_version']
 150
 151         if '2.6' not in node['kernel_version']: node['kernel_version'] = ""
 152         if conf and not conf.nocolor:
 153             node['boot_state']  = color_boot_state(node['boot_state'])
 154             node['current']     = color_boot_state(node['current'])
 155
 156         if type(fbdata['plc_node_stats']['pcu_ids']) == type([]):
 157                 node['pcu'] = "PCU"
 158         node['lastupdate'] = diff_time(node['last_contact'])
 159
 160         pf = HistoryNodeRecord.get_by(hostname=node['hostname'])
 161         try:
 162                 node['lc'] = diff_time(pf.last_changed)
 163         except:
 164                 node['lc'] = "err"
 165
 166         ut = fbdata['comon_stats']['uptime']
 167         if ut != "null":
 168                 ut = diff_time(float(fbdata['comon_stats']['uptime']), False)
 169         node['uptime'] = ut
 170
 171         return "%(hostname)-42s %(boot_state)8s %(current)5s %(pcu)6s %(key)10.10s... %(kernel_version)35.35s %(lastupdate)12s, %(lc)s, %(uptime)s" % node
 172
 173 def datetime_fromstr(str):
 174         if '-' in str:
 175                 try:
 176                         tup = time.strptime(str, "%Y-%m-%d")
 177                 except:
 178                         tup = time.strptime(str, "%Y-%m-%d-%H:%M")
 179         elif '/' in str:
 180                 tup = time.strptime(str, "%m/%d/%Y")
 181         else:
 182                 tup = time.strptime(str, "%m/%d/%Y")
 183         ret = datetime.fromtimestamp(time.mktime(tup))
 184         return ret
 185
 186 def get_nodeset(config):
 187         """
 188                 Given the config values passed in, return the set of hostnames that it
 189                 evaluates to.
 190         """
 191         api = plc.getAuthAPI()
 192         l_nodes = plccache.l_nodes
 193
 194         if config.nodelist:
 195                 f_nodes = util.file.getListFromFile(config.nodelist)
 196                 l_nodes = filter(lambda x: x['hostname'] in f_nodes, l_nodes)
 197         elif config.node:
 198                 f_nodes = [config.node]
 199                 l_nodes = filter(lambda x: x['hostname'] in f_nodes, l_nodes)
 200         elif config.nodegroup:
 201                 ng = api.GetNodeGroups({'name' : config.nodegroup})
 202                 l_nodes = api.GetNodes(ng[0]['node_ids'], ['hostname'])
 203         elif config.site:
 204                 site = api.GetSites(config.site)
 205                 l_nodes = api.GetNodes(site[0]['node_ids'], ['hostname'])
 206
 207         l_nodes = [node['hostname'] for node in l_nodes]
 208
 209         # perform this query after the above options, so that the filter above
 210         # does not break.
 211         if config.nodeselect:
 212                 fbquery = FindbadNodeRecord.get_all_latest()
 213                 node_list = [ n.hostname for n in fbquery ]
 214                 l_nodes = node_select(config.nodeselect, node_list, None)
 215
 216         return l_nodes
 217
 218 def email_exception(content=None):
 219     import config
 220     from monitor.model import Message
 221     import traceback
 222     msg=traceback.format_exc()
 223     if content:
 224         msg = content + "\n" + msg
 225     m=Message("exception running monitor", msg, False)
 226     m.send([config.cc_email])
 227     return
 228
 229 def changed_lessthan(last_changed, days):
 230         if datetime.now() - last_changed <= timedelta(days):
 231                 #print "last changed less than %s" % timedelta(days)
 232                 return True
 233         else:
 234                 #print "last changed more than %s" % timedelta(days)
 235                 return False
 236
 237 def changed_greaterthan(last_changed, days):
 238         if datetime.now() - last_changed > timedelta(days):
 239                 #print "last changed more than %s" % timedelta(days)
 240                 return True
 241         else:
 242                 #print "last changed less than %s" % timedelta(days)
 243                 return False
 244
 245 def found_between(recent_actions, action_type, lower, upper):
 246         return found_before(recent_actions, action_type, upper) and found_within(recent_actions, action_type, lower)
 247
 248 def found_before(recent_actions, action_type, within):
 249         for action in recent_actions:
 250                 if action_type == action.action_type and \
 251                                 action.date_created < (datetime.now() - timedelta(within)):
 252                         return True
 253         return False
 254
 255 def found_within(recent_actions, action_type, within):
 256         for action in recent_actions:
 257                 #print "%s - %s %s > %s - %s (%s) ==> %s" % (action.loginbase, action.action_type, action.date_created, datetime.now(), timedelta(within), datetime.now()-timedelta(within), action.date_created > (datetime.now() - timedelta(within)) )
 258                 if action_type == action.action_type and \
 259                                 action.date_created > (datetime.now() - timedelta(within)):
 260                                 #datetime.now() - action.date_created < timedelta(within):
 261                         # recent action of given type.
 262                         #print "%s found_within %s in recent_actions from %s" % (action_type, timedelta(within), action.date_created)
 263                         return True
 264
 265         print "%s NOT found_within %s in recent_actions" % (action_type, timedelta(within) )
 266         return False
 267