#!/usr/bin/python from monitor.wrapper import emailTxt class Type: def __init__(self, value): self.value = value def name(self): return self.__class__.__name__ class Is(Type): pass class Match(Type): pass class ListMatch(Type): pass class FilledIn(Type): pass class PortOpen(Type): pass class NodesUp(Type): pass # a failed constraint leads to a message-escelation process. # so, define a constraint, which defines the set of nodes it operates on, the # message to send if it fails, and maybe a thank you message when it's # satisfied (if previously failed.). standardnode = { 'membership' : [ { 'plcnode/nodegroups' : Match('.*') } ], 'site' : [ { 'nodes' : NodesUp(2), } ], 'node' : { 'constraint' : [ { 'state' : Match('BOOT'), 'kernel' : Match('2.6.22.19-vs2.3.0.34'), } ], 'failed_message' : [ emailTxt.mailtxt.newdown ], 'resolved_message' : [ emailTxt.mailtxt.newthankyou ], }, 'pcu' : { 'constraint' : [ { 'hostname' : FilledIn(True), 'password' : FilledIn(True), }, { 'ip' : FilledIn(True), 'password' : FilledIn(True), }, ], 'failed_message' : [ emailTxt.mailtxt.pcudown ], 'resolved_message' : [ emailTxt.mailtxt.pcuthankyou ], }, } dc7800 = { # if membership constraint it true, then apply the other constraints. 'membership' : [ { 'plcnode/nodegroups' : ListMatch('DC7800Deployment'), } ], 'pcu' : { 'constraint' : [ { 'hostname' : FilledIn(True), 'ip' : FilledIn(True), 'password' : FilledIn(True), 'model' : Match('AMT'), 'username' : Match('admin'), 'portstatus': PortOpen(16992), 'reboot' : Is(0), }, { 'hostname' : FilledIn(True), 'ip' : FilledIn(True), 'password' : FilledIn(True), 'reboot' : Is(0), #'valid' : Is(True), },], 'failed_message' : [ emailTxt.mailtxt.donation_nopcu], 'resolved_message' : [ emailTxt.mailtxt.pcuthankyou ], }, 'node' : { 'constraint' : [ { 'state' : Match('BOOT'), 'kernel' : Match('2.6.22.19-vs2.3.0.34'), } ], 'failed_message' : [ emailTxt.mailtxt.donation_down], 'resolved_message' : [ emailTxt.mailtxt.newthankyou ], }, } # # data source, { constraints ... value } # action on failure of constraint # information about why it failed # # stop action if constraint is satisfied at a later time. # kind of like asynchronous constraint solving. # or stored procedures.