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                 elif "NetDown" == rb  or "Not_Run" == rb:
  62                         return fbnode['pcu'] + "DOWN"
  63                 else:
  64                         return fbnode['pcu'] + "BAD "
  65         else:
  66                 return fbnode['pcu'] + "BAD "
  67
  68 def color_boot_state(l):
  69         if    l == "dbg": return yellow("debg")
  70         elif  l == "dbg ": return yellow("debg")
  71         elif  l == "failboot": return yellow("debg")
  72         elif  l == "diag": return lightblue(l)
  73         elif  l == "diagnose": return lightblue(l)
  74         elif  l == "safeboot": return lightblue(l)
  75         elif  l == "disable": return red("dsbl")
  76         elif  l == "disabled": return red("dsbl")
  77         elif  l == "down": return red(l)
  78         elif  l == "boot": return green(l)
  79         elif  l == "rins": return blue(l)
  80         elif  l == "reinstall": 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 type(timestamp) == type(datetime.now()):
  90                 timestamp = time.mktime(timestamp.timetuple())
  91         if abstime:
  92                 diff = now - timestamp
  93         else:
  94                 diff = timestamp
  95         # return the number of seconds as a difference from current time.
  96         t_str = ""
  97         if diff < 60: # sec in min.
  98                 t = diff / 1
  99                 t_str = "%s sec ago" % int(math.ceil(t))
 100         elif diff < 60*60: # sec in hour
 101                 t = diff / (60)
 102                 t_str = "%s min ago" % int(math.ceil(t))
 103         elif diff < 60*60*24: # sec in day
 104                 t = diff / (60*60)
 105                 t_str = "%s hrs ago" % int(math.ceil(t))
 106         elif diff < 60*60*24*14: # sec in week
 107                 t = diff / (60*60*24)
 108                 t_str = "%s days ago" % int(math.ceil(t))
 109         elif diff <= 60*60*24*30: # approx sec in month
 110                 t = diff / (60*60*24*7)
 111                 t_str = "%s wks ago" % int(math.ceil(t))
 112         elif diff > 60*60*24*30: # approx sec in month
 113                 t = diff / (60*60*24*30)
 114                 t_str = "%s mnths ago" % int(t)
 115         return t_str
 116
 117 def getvalue(fb, path):
 118     indexes = path.split("/")
 119     values = fb
 120     for index in indexes:
 121         if index in values:
 122             values = values[index]
 123         else:
 124             return None
 125     return values
 126
 127 def nmap_port_status(status):
 128         ps = {}
 129         l_nmap = status.split()
 130         ports = l_nmap[4:]
 131
 132         continue_probe = False
 133         for port in ports:
 134                 results = port.split('/')
 135                 ps[results[0]] = results[1]
 136                 if results[1] == "open":
 137                         continue_probe = True
 138         return (ps, continue_probe)
 139
 140
 141 def nodegroup_display(node, fbdata, conf=None):
 142         node['current'] = get_current_state(fbdata)
 143
 144         s = fbdata['kernel_version'].split()
 145         if len(s) >=3:
 146                 node['kernel_version'] = s[2]
 147         else:
 148                 node['kernel_version'] = fbdata['kernel_version']
 149
 150         if '2.6' not in node['kernel_version']: node['kernel_version'] = ""
 151         if conf and not conf.nocolor:
 152             node['boot_state']  = color_boot_state(node['boot_state'])
 153             node['current']     = color_boot_state(node['current'])
 154
 155         if type(fbdata['plc_node_stats']['pcu_ids']) == type([]):
 156                 node['pcu'] = "PCU"
 157         node['lastupdate'] = diff_time(node['last_contact'])
 158
 159         pf = HistoryNodeRecord.get_by(hostname=node['hostname'])
 160         try:
 161                 node['lc'] = diff_time(pf.last_changed)
 162         except:
 163                 node['lc'] = "err"
 164
 165         ut = fbdata['comon_stats']['uptime']
 166         if ut != "null":
 167                 ut = diff_time(float(fbdata['comon_stats']['uptime']), False)
 168         node['uptime'] = ut
 169
 170         return "%(hostname)-42s %(boot_state)8s %(current)5s %(pcu)6s %(key)10.10s... %(kernel_version)35.35s %(lastupdate)12s, %(lc)s, %(uptime)s" % node
 171
 172 def datetime_fromstr(str):
 173         if '-' in str:
 174                 try:
 175                         tup = time.strptime(str, "%Y-%m-%d")
 176                 except:
 177                         tup = time.strptime(str, "%Y-%m-%d-%H:%M")
 178         elif '/' in str:
 179                 tup = time.strptime(str, "%m/%d/%Y")
 180         else:
 181                 tup = time.strptime(str, "%m/%d/%Y")
 182         ret = datetime.fromtimestamp(time.mktime(tup))
 183         return ret
 184
 185 def get_nodeset(config):
 186         """
 187                 Given the config values passed in, return the set of hostnames that it
 188                 evaluates to.
 189         """
 190         api = plc.getAuthAPI()
 191         l_nodes = plccache.l_nodes
 192
 193         if config.nodelist:
 194                 f_nodes = util.file.getListFromFile(config.nodelist)
 195                 l_nodes = filter(lambda x: x['hostname'] in f_nodes, l_nodes)
 196         elif config.node:
 197                 f_nodes = [config.node]
 198                 l_nodes = filter(lambda x: x['hostname'] in f_nodes, l_nodes)
 199         elif config.nodegroup:
 200                 ng = api.GetNodeGroups({'name' : config.nodegroup})
 201                 l_nodes = api.GetNodes(ng[0]['node_ids'], ['hostname'])
 202         elif config.site:
 203                 site = api.GetSites(config.site)
 204                 l_nodes = api.GetNodes(site[0]['node_ids'], ['hostname'])
 205
 206         l_nodes = [node['hostname'] for node in l_nodes]
 207
 208         # perform this query after the above options, so that the filter above
 209         # does not break.
 210         if config.nodeselect:
 211                 fbquery = FindbadNodeRecord.get_all_latest()
 212                 node_list = [ n.hostname for n in fbquery ]
 213                 l_nodes = node_select(config.nodeselect, node_list, None)
 214
 215         return l_nodes
 216
 217 def email_exception(content=None):
 218     import config
 219     from monitor.model import Message
 220     import traceback
 221     msg=traceback.format_exc()
 222     if content:
 223         msg = content + "\n" + msg
 224     m=Message("exception running monitor", msg, False)
 225     m.send([config.cc_email])
 226     return
 227
 228 def changed_lessthan(last_changed, days):
 229         if datetime.now() - last_changed <= timedelta(days):
 230                 #print "last changed less than %s" % timedelta(days)
 231                 return True
 232         else:
 233                 #print "last changed more than %s" % timedelta(days)
 234                 return False
 235
 236 def changed_greaterthan(last_changed, days):
 237         if datetime.now() - last_changed > timedelta(days):
 238                 #print "last changed more than %s" % timedelta(days)
 239                 return True
 240         else:
 241                 #print "last changed less than %s" % timedelta(days)
 242                 return False
 243
 244 def found_between(recent_actions, action_type, lower, upper):
 245         return found_before(recent_actions, action_type, upper) and found_within(recent_actions, action_type, lower)
 246
 247 def found_before(recent_actions, action_type, within):
 248         for action in recent_actions:
 249                 if action_type == action.action_type and \
 250                                 action.date_created < (datetime.now() - timedelta(within)):
 251                         return True
 252         return False
 253
 254 def found_within(recent_actions, action_type, within):
 255         for action in recent_actions:
 256                 #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)) )
 257                 if action_type == action.action_type and \
 258                                 action.date_created > (datetime.now() - timedelta(within)):
 259                                 #datetime.now() - action.date_created < timedelta(within):
 260                         # recent action of given type.
 261                         #print "%s found_within %s in recent_actions from %s" % (action_type, timedelta(within), action.date_created)
 262                         return True
 263
 264         print "%s NOT found_within %s in recent_actions" % (action_type, timedelta(within) )
 265         return False
 266