add pcu_name to pcufailed_notice
[monitor.git] / nodebad.py
index 5543f90..e7fc819 100755 (executable)
@@ -8,12 +8,13 @@ from datetime import datetime,timedelta
 
 from nodequery import verify,query_to_dict,node_select
 
-from nodecommon import *
+from monitor.common import *
 
 from monitor import config
 from monitor.wrapper import plc,plccache
 from monitor.const import MINUP
-from monitor.database import  FindbadNodeRecord, HistoryNodeRecord
+from monitor.database.info.model import  FindbadNodeRecord, HistoryNodeRecord
+from monitor.database.dborm import  mon_session as session
 
 from monitor.model import *
 
@@ -21,65 +22,151 @@ api = plc.getAuthAPI()
 
 round = 1
 count = 0
+def main():
+       main2(config)
 
-def main(config):
+def main2(config):
 
        l_plcnodes = plccache.l_nodes
        l_nodes = get_nodeset(config)
        
        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 count
 
        for nodename in l_nodes:
-               d_node = None
-               for node in l_plcnodes:
-                       if node['hostname'] == nodename:
-                               d_node = node
-                               break
-               if not d_node:
-                       continue
 
-               pf = HistoryNodeRecord.findby_or_create(hostname=nodename)
-               pf.last_checked = datetime.now()
+               nodehist = HistoryNodeRecord.findby_or_create(hostname=nodename, 
+                                                       if_new_set={'status' : 'offline', 
+                                                                               'last_changed' : datetime.now()})
+               nodehist.last_checked = datetime.now()
 
                try:
                        # Find the most recent record
-                       noderec = FindbadNodeRecord.query.filter(FindbadNodeRecord.hostname==nodename).order_by(FindbadNodeRecord.date_checked.desc()).first()
-                       #print "NODEREC: ", noderec.date_checked
+                       noderec = FindbadNodeRecord.get_latest_by(hostname=nodename)
                except:
                        print "COULD NOT FIND %s" % nodename
                        import traceback
+                       email_exception()
                        print traceback.print_exc()
                        continue
 
-               node_state = noderec.observed_status
-               if noderec.plc_node_stats:
-                       boot_state = noderec.plc_node_stats['boot_state']
-               else:
-                       boot_state = "unknown"
-
-               if node_state == "BOOT":
-                       if pf.status != "good": 
-                               pf.last_changed = datetime.now()
-                               pf.status = "good"
-               elif node_state == "DEBUG":
-                       if pf.status != boot_state: 
-                               pf.last_changed = datetime.now()
-                               pf.status = boot_state
-               else:
-                       if pf.status != "down": 
-                               pf.last_changed = datetime.now()
-                               pf.status = "down"
+               if not noderec:
+                       print "none object for %s"% nodename
+                       continue
+
+               check_node_state(noderec, nodehist)
 
                count += 1
-               print "%d %35s %s since(%s)" % (count, nodename, pf.status, diff_time(time.mktime(pf.last_changed.timetuple())))
+               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, or
-       # replace with another operations that also commits all pending ops, such
-       # as session.commit() or flush() or something
-       print HistoryNodeRecord.query.count()
+       # NOTE: this commits all pending operations to the DB.  Do not remove. 
+       session.flush()
 
        return True
 
@@ -91,7 +178,7 @@ if __name__ == '__main__':
        config = parsermodule.parse_args(parser)
 
        try:
-               main(config)
+               main2(config)
        except Exception, err:
                import traceback
                print traceback.print_exc()