add pcu_name to pcufailed_notice
[monitor.git] / nodebad.py
index 0130c3e..e7fc819 100755 (executable)
@@ -4,153 +4,183 @@ import os
 import sys
 import string
 import time
+from datetime import datetime,timedelta
 
-
-import database
-import comon
-import threadpool
-import syncplcdb
 from nodequery import verify,query_to_dict,node_select
-from nodecommon import *
 
-import plc
+from monitor.common import *
+
+from monitor import config
+from monitor.wrapper import plc,plccache
+from monitor.const import MINUP
+from monitor.database.info.model import  FindbadNodeRecord, HistoryNodeRecord
+from monitor.database.dborm import  mon_session as session
+
+from monitor.model import *
+
 api = plc.getAuthAPI()
-from unified_model import *
-from const import MINUP
 
 round = 1
-externalState = {'round': round, 'nodes': {}}
 count = 0
+def main():
+       main2(config)
 
-def main(config):
-       global externalState
-       externalState = database.if_cached_else(1, config.dbname, lambda : externalState) 
-       if config.increment:
-               # update global round number to force refreshes across all nodes
-               externalState['round'] += 1
-
-       l_nodes = syncplcdb.create_plcdb()
-       l_plcnodes = database.dbLoad("l_plcnodes")
+def main2(config):
 
+       l_plcnodes = plccache.l_nodes
        l_nodes = get_nodeset(config)
-       #if config.node:
-       #       l_nodes = [config.node]
-       ##else:
-       #       l_nodes = [node['hostname'] for node in l_plcnodes]
        
        checkAndRecordState(l_nodes, l_plcnodes)
 
+# Node states:
+
+def check_node_state(rec, node):
+
+       node_state = rec.observed_status
+       if rec.plc_node_stats:
+               print rec.plc_node_stats
+               boot_state = rec.plc_node_stats['boot_state']
+               run_level = rec.plc_node_stats['run_level']
+               last_contact = rec.plc_node_stats['last_contact']
+               node.plc_nodeid = rec.plc_node_stats['node_id']
+       else:
+               boot_state = "unknown"
+               last_contact = None
+
+       if boot_state == 'disable': boot_state = 'disabled'
+       if boot_state == 'diag' or boot_state == 'diagnose': boot_state = 'safeboot'
+
+       if len(rec.plc_node_stats['pcu_ids']) > 0:
+               node.haspcu = True
+       else:
+               node.haspcu = False
+
+       node.firewall = rec.firewall
+       node.plc_siteid = rec.plc_node_stats['site_id']
+
+       # NOTE: 'DOWN' and 'DEBUG'  are temporary states, so only need
+       #                       'translations' into the node.status state
+       #               'BOOT' is a permanent state, but we want it to have a bit of
+       #                       hysteresis (less than 0.5 days)
+       #################################################################
+       # "Initialize" the findbad states into nodebad status if they are not already set
+
+       if node_state == 'DOWN':
+               if boot_state == 'disabled' and changed_lessthan(node.last_changed, 60) and \
+                       node.status != 'disabled':
+                       # NOTE: if changed less than 2 months, then we can allow this. 
+                       # otherwise, apply 'down' status after greater than 2 months (below).
+
+                       print "changed status from %s to %s" % (node.status, boot_state)
+                       node.status = boot_state
+                       node.last_changed = datetime.now()
+
+               if node.status not in ['offline', 'down', 'disabled']:
+                       print "changed status from %s to offline" % node.status
+                       node.status = 'offline'
+                       node.last_changed = datetime.now()
+
+       if node_state == 'DEBUG':
+               if boot_state != 'disabled' and boot_state != 'safeboot':
+                       print "changed status from %s to failboot" % (node.status)
+                       current_status = "failboot"
+               else:
+                       print "changed status from %s to %s" % (node.status, boot_state)
+                       current_status = boot_state
+
+               if current_status != node.status and \
+                       current_status in ['failboot', 'disabled', 'safeboot']:
+
+                       node.status = current_status
+                       node.last_changed = datetime.now()
+
+       if node_state == 'BOOT' and node.status != 'online' and node.status != 'good':
+               print "changed status from %s to online" % node.status
+               node.status = 'online'
+               node.last_changed = datetime.now()
+
+       #################################################################
+       # Switch temporary hystersis states into their 'firm' states.
+       #         online -> good                after half a day
+       #         offline -> down               after two days
+       #         failboot -> down  after 30 days
+       #         safeboot -> failboot after 60 days
+       #         disabled -> down              after 60 days
+
+       if node.status == 'online' and changed_greaterthan(node.last_changed, 0.5):
+               print "changed status from %s to good" % node.status
+               node.status = 'good'
+               # NOTE: do not reset last_changed, or you lose how long it's been up.
+
+       if node.status == 'offline' and changed_greaterthan(node.last_changed, 2):
+               print "changed status from %s to down" % node.status
+               node.status = 'down'
+               # NOTE: do not reset last_changed, or you lose how long it's been down.
+
+       if node.status == 'failboot' and changed_greaterthan(node.last_changed, 30):
+               print "changed status from %s to down" % node.status
+               node.status = 'down'
+               # NOTE: do not reset last_changed, or you lose how long it's been down.
+
+       if node.status == 'safeboot' and changed_greaterthan(node.last_changed, 60):
+               print "changed status from %s to down" % node.status
+               # NOTE: change an admin mode back into failboot after two months.
+               node.status = 'failboot'
+               node.last_changed = datetime.now()
+
+       # extreme cases of offline nodes
+       if ( boot_state == 'disabled' or last_contact == None ) and \
+                       changed_greaterthan(node.last_changed, 2*30) and \
+                       node.status != 'down':
+               print "changed status from %s to down" % node.status
+               node.status = 'down'
+               node.last_changed = datetime.now()
+
 def checkAndRecordState(l_nodes, l_plcnodes):
-       global externalState
        global count
-       global_round = externalState['round']
 
        for nodename in l_nodes:
-               if nodename not in externalState['nodes']:
-                       externalState['nodes'][nodename] = {'round': 0, 'values': []}
-
-               node_round   = externalState['nodes'][nodename]['round']
-               if node_round < global_round:
-                       # do work
-                       values = collectStatusAndState(nodename, l_plcnodes)
-                       global_round = externalState['round']
-                       externalState['nodes'][nodename]['values'] = values
-                       externalState['nodes'][nodename]['round'] = global_round
-               else:
-                       count += 1
-
-               if count % 20 == 0:
-                       database.dbDump(config.dbname, externalState)
-
-       database.dbDump(config.dbname, externalState)
-
-fb = database.dbLoad('findbad')
-
-def getnodesup(nodelist):
-       up = 0
-       for node in nodelist:
-               if node['hostname'] in fb['nodes'].keys():
-                       try:
-                               if fb['nodes'][node['hostname']]['values']['state'] == "BOOT":
-                                       up = up + 1
-                       except:
-                               pass
-       return up
-
-def get(fb, path):
-       indexes = path.split("/")
-       values = fb
-       for index in indexes:
-               if index in values:
-                       values = values[index]
-               else:
-                       return None
-       return values
 
-def collectStatusAndState(nodename, l_plcnodes):
-       global count
+               nodehist = HistoryNodeRecord.findby_or_create(hostname=nodename, 
+                                                       if_new_set={'status' : 'offline', 
+                                                                               'last_changed' : datetime.now()})
+               nodehist.last_checked = datetime.now()
 
-       d_node = None
-       for node in l_plcnodes:
-               if node['hostname'] == nodename:
-                       d_node = node
-                       break
-       if not d_node:
-               return None
-
-       pf = PersistFlags(nodename, 1, db='node_persistflags')
-
-       if not pf.checkattr('last_changed'):
-               pf.last_changed = time.time()
-               
-       pf.last_checked = time.time()
-
-       if not pf.checkattr('status'):
-               pf.status = "unknown"
-
-       state_path     = "nodes/" + nodename + "/values/state"
-       bootstate_path = "nodes/" + nodename + "/values/plcnode/boot_state"
-
-       if get(fb, state_path) == "BOOT":
-               if pf.status != "good": pf.last_changed = time.time()
-               pf.status = "good"
-       elif get(fb, state_path)  == "DEBUG":
-               bs = get(fb, bootstate_path)
-               if pf.status != bs: pf.last_changed = time.time()
-               pf.status = bs
-       else:
-               if pf.status != "down": pf.last_changed = time.time()
-               pf.status = "down"
+               try:
+                       # Find the most recent record
+                       noderec = FindbadNodeRecord.get_latest_by(hostname=nodename)
+               except:
+                       print "COULD NOT FIND %s" % nodename
+                       import traceback
+                       email_exception()
+                       print traceback.print_exc()
+                       continue
+
+               if not noderec:
+                       print "none object for %s"% nodename
+                       continue
 
-       count += 1
-       print "%d %35s %s since(%s)" % (count, nodename, pf.status, diff_time(pf.last_changed))
-       # updated by other modules
-       #pf.enabled = 
-       #pf.suspended = 
+               check_node_state(noderec, nodehist)
 
-       pf.save()
+               count += 1
+               print "%d %35s %s since(%s)" % (count, nodename, nodehist.status, diff_time(time.mktime(nodehist.last_changed.timetuple())))
+
+       # NOTE: this commits all pending operations to the DB.  Do not remove. 
+       session.flush()
 
        return True
 
 if __name__ == '__main__':
-       import parser as parsermodule
+       from monitor import parser as parsermodule
        parser = parsermodule.getParser(['nodesets'])
-       parser.set_defaults(filename=None, node=None, nodeselect=False, nodegroup=None, 
-                                               increment=False, dbname="nodebad", cachenodes=False)
-       
-       parser.add_option("", "--dbname", dest="dbname", metavar="FILE", 
-                                               help="Specify the name of the database to which the information is saved")
-       parser.add_option("-i", "--increment", action="store_true", dest="increment", 
-                                               help="Increment round number to force refresh or retry")
+       parser.set_defaults(filename=None, node=None, nodeselect=False, nodegroup=None, cachenodes=False)
        parser = parsermodule.getParser(['defaults'], parser)
        config = parsermodule.parse_args(parser)
 
        try:
-               main(config)
+               main2(config)
        except Exception, err:
                import traceback
                print traceback.print_exc()
                print "Exception: %s" % err
-               print "Saving data... exitting."
-               database.dbDump(config.dbname, externalState)
                sys.exit(0)