class ComponentSynchronizer:
""" ComponentSynchronizer
"""
def __init__( self ):
""" Constructor
"""
self.log = gLogger.getSubLogger( self.__class__.__name__ )
self.compoDB = ComponentMonitoringDB()
self.rsClient = ResourceStatusClient()
def sync( self ):
""" sync.
Reads from ComponentsMonitoringDB and prepares entries on RSS ComponentStatus
table.
"""
#TODO: delete from RSS if not anymore on ComponentsMonitoringDB
setup = gConfig.getValue( 'DIRAC/Setup')
components = self.compoDB.getComponentsStatus( { 'Setup' : setup } )
if not components[ 'OK' ]:
return components
components = components[ 'Value' ][ 0 ][ setup ]
for agentName, agentsList in components[ 'agent' ].iteritems():
for agentDict in agentsList:
if agentDict[ 'Status' ] == 'Error':
self.log.warn( '%(ComponentName)s %(Message)s' % agentDict )
continue
res = self.rsClient.addIfNotThereStatusElement( 'Component', 'Status',
name = agentName,
statusType = agentDict[ 'Host' ],
status = 'Unknown',
elementType = 'Agent',
reason = 'Synchronized',
)
if not res[ 'OK' ]:
return res
for serviceName, servicesList in components[ 'service' ].iteritems():
for serviceDict in servicesList:
if serviceDict[ 'Status' ] == 'Error':
self.log.warn( '%(ComponentName)s %(Message)s' % serviceDict )
continue
res = self.rsClient.addIfNotThereStatusElement( 'Component', 'Status',
name = serviceName,
statusType = '%(Host)s:%(Port)s' % serviceDict,
status = 'Unknown',
elementType = 'Service',
reason = 'Synchronized',
)
if not res[ 'OK' ]:
return res
return S_OK()
#...............................................................................
#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF
class ServiceInterface( object ):
__sourceToComponentIdMapping = {}
def __init__( self ):
self.dataPath = "%s/data/monitoring" % gConfig.getValue( '/LocalSite/InstancePath', rootPath )
self.plotsPath = "%s/plots" % self.dataPath
self.rrdPath = "%s/rrd" % self.dataPath
self.srvUp = False
self.compmonDB = False
def __createRRDManager( self ):
"""
Generate an RRDManager
"""
return RRDManager( self.rrdPath, self.plotsPath )
def __createCatalog( self ):
"""
Creates a Monitoring catalog connector
"""
return MonitoringCatalog( self.dataPath )
def initialize( self, dataPath ):
"""
Initialize monitoring server
"""
self.dataPath = dataPath
self.plotCache = PlotCache( RRDManager( self.rrdPath, self.plotsPath ) )
self.srvUp = True
try:
self.compmonDB = ComponentMonitoringDB()
except Exception as e:
gLogger.exception( "Cannot initialize component monitoring db: %s" % e )
def initializeDB( self ):
"""
Initializes and creates monitoring catalog db if it doesn't exist
"""
acCatalog = self.__createCatalog()
if not acCatalog.createSchema():
return False
#Register default view if it's not there
viewNames = [ str( v[1] ) for v in acCatalog.getViews( False ) ]
if 'Dynamic component view' in viewNames:
return True
return acCatalog.registerView( "Dynamic component view",
DEncode.encode( { 'variable': ['sources.componentName'],
'definition': {},
'stacked': True,
'groupBy': ['activities.description'],
'label': '$SITE'} ),
['sources.componentName'] )
def __checkSourceDict( self, sourceDict ):
"""
Check that the dictionary is a valid source one
"""
validKeys = ( "setup", "site", "componentType", "componentLocation", "componentName" )
for key in validKeys:
if key not in sourceDict:
return False
return True
def __checkActivityDict( self, acDict ):
"""
Check that the dictionary is a valid activity one
"""
validKeys = ( 'category', 'description', 'bucketLength', 'type', 'unit' )
for key in validKeys:
if key not in acDict:
return False
return True
def registerActivities( self, sourceDict, activitiesDict, componentExtraInfo ):
"""
Register new activities in the database
"""
acCatalog = self.__createCatalog()
rrdManager = self.__createRRDManager()
#Register source
if not self.__checkSourceDict( sourceDict ):
return S_ERROR( "Source definition is not valid" )
sourceId = acCatalog.registerSource( sourceDict )
#Register activities
for name in activitiesDict:
if not self.__checkActivityDict( activitiesDict[ name ] ):
return S_ERROR( "Definition for activity %s is not valid" % name )
activitiesDict[ name ][ 'name' ] = name
if not 'bucketLength' in activitiesDict[ name ]:
activitiesDict[ name ][ 'bucketLength' ] = 60
if not self.__checkActivityDict( activitiesDict[ name ] ):
return S_ERROR( "Activity %s definition is not valid" % name )
gLogger.info( "Received activity", "%s [%s]" % ( name, str( activitiesDict[ name ] ) ) )
rrdFile = acCatalog.registerActivity( sourceId, name, activitiesDict[ name ] )
if not rrdFile:
return S_ERROR( "Could not register activity %s" % name )
retVal = rrdManager.create( activitiesDict[ name ][ 'type' ], rrdFile, activitiesDict[ name ][ 'bucketLength' ] )
if not retVal[ 'OK' ]:
return retVal
self.__cmdb_registerComponent( sourceId, sourceDict, componentExtraInfo )
return S_OK( sourceId )
def commitMarks( self, sourceId, activitiesDict, componentExtraInfo ):
"""
Adds marks to activities
"""
gLogger.info( "Committing marks", "From %s for %s" % ( sourceId, ", ".join( activitiesDict.keys() ) ) )
acCatalog = self.__createCatalog()
rrdManager = self.__createRRDManager()
unregisteredActivities = []
for acName in activitiesDict:
acData = activitiesDict[ acName ]
acInfo = acCatalog.findActivity( sourceId, acName )
if not acInfo:
unregisteredActivities.append( acName )
gLogger.warn( "Cant find rrd filename", "%s:%s activity" % ( sourceId, acName ) )
continue
rrdFile = acInfo[6]
if not rrdManager.existsRRDFile( rrdFile ):
gLogger.error( "RRD file does not exist", "%s:%s activity (%s)" % ( sourceId, acName, rrdFile ) )
unregisteredActivities.append( acName )
continue
gLogger.info( "Updating activity", "%s -> %s" % ( acName, rrdFile ) )
timeList = acData.keys()
timeList.sort()
entries = []
for instant in timeList:
entries.append( ( instant , acData[ instant ] ) )
if len( entries ) > 0:
gLogger.verbose( "There are %s entries for %s" % ( len( entries ), acName ) )
retDict = rrdManager.update( acInfo[4], rrdFile, acInfo[7], entries, long( acInfo[8] ) )
if not retDict[ 'OK' ]:
gLogger.error( "There was an error updating", "%s:%s activity [%s]" % ( sourceId, acName, rrdFile ) )
else:
acCatalog.setLastUpdate( sourceId, acName, retDict[ 'Value' ] )
if not self.__cmdb_heartbeatComponent( sourceId, componentExtraInfo ):
for acName in activitiesDict:
if acName not in unregisteredActivities:
unregisteredActivities.append( acName )
return S_OK( unregisteredActivities )
def fieldValue( self, field, definedFields ):
"""
Return values for a field given a set of defined values for other fields
"""
retList = self.__createCatalog().queryField( "DISTINCT %s" % field, definedFields )
return S_OK( retList )
def __getGroupedPlots( self, viewDescription ):
"""
Calculate grouped plots for a view
"""
plotsList = []
acCatalog = self.__createCatalog()
groupList = acCatalog.queryField( "DISTINCT %s" % ", ".join( viewDescription[ 'groupBy' ] ), viewDescription[ 'definition' ] )
for grouping in groupList:
gLogger.debug( "Grouped plot for combination %s" % str( grouping ) )
groupDefinitionDict = dict( viewDescription[ 'definition' ] )
for index in range( len( viewDescription[ 'groupBy' ] ) ):
groupDefinitionDict[ viewDescription[ 'groupBy' ][index] ] = grouping[ index ]
activityList = acCatalog.getMatchingActivities( groupDefinitionDict )
for activity in activityList:
activity.setGroup( grouping )
activity.setLabel( viewDescription[ 'label' ] )
plotsList.append( activityList )
return plotsList
def __generateGroupPlots( self, fromSecs, toSecs, viewDescription, size ):
"""
Generate grouped plots for a view
"""
plotList = self.__getGroupedPlots( viewDescription )
filesList = []
for groupPlot in plotList:
retVal = self.plotCache.groupPlot( fromSecs, toSecs, groupPlot, viewDescription[ 'stacked' ], size )
if not retVal[ 'OK' ]:
gLogger.error( "There was a problem ploting", retVal[ 'Message' ] )
return retVal
graphFile = retVal[ 'Value' ]
gLogger.verbose( "Generated graph", "file %s for group %s" % ( graphFile, str( groupPlot[0] ) ) )
filesList.append( graphFile )
return S_OK( filesList )
def __getPlots( self, viewDescription ):
"""
Calculate plots for a view
"""
acCatalog = self.__createCatalog()
return acCatalog.getMatchingActivities( viewDescription[ 'definition' ] )
def __generatePlots( self, fromSecs, toSecs, viewDescription, size ):
"""
Generate non grouped plots for a view
"""
acList = self.__getPlots( viewDescription )
filesList = []
for activity in acList:
activity.setLabel( viewDescription[ 'label' ] )
retVal = self.plotCache.plot( fromSecs, toSecs, activity, viewDescription[ 'stacked' ], size )
if not retVal[ 'OK' ]:
gLogger.error( "There was a problem ploting", retVal[ 'Message' ] )
return retVal
graphFile = retVal[ 'Value' ]
gLogger.verbose( "Generated graph", "file %s" % ( graphFile ) )
filesList.append( graphFile )
return S_OK( filesList )
def generatePlots( self, fromSecs, toSecs, viewDescription, size = 1 ):
"""
Generate plots for a view
"""
gLogger.info( "Generating plots", str( viewDescription ) )
if 'stacked' not in viewDescription :
viewDescription[ 'stacked' ] = False
if 'label' not in viewDescription :
viewDescription[ 'label' ] = ""
if 'groupBy' in viewDescription and len( viewDescription[ 'groupBy' ] ):
return self.__generateGroupPlots( fromSecs, toSecs, viewDescription, size )
return self.__generatePlots( fromSecs, toSecs, viewDescription, size )
def getGraphData( self, filename ):
"""
Read the contents of a plot file
"""
try:
fd = file( "%s/%s" % ( self.plotsPath, filename ) )
except Exception as e:
return S_ERROR( e )
data = fd.read()
fd.close()
return S_OK( data )
def saveView( self, viewName, viewDescription ):
"""
Save a view in the catalog
"""
if 'stacked' not in viewDescription :
viewDescription[ 'stacked' ] = False
if 'label' not in viewDescription:
viewDescription[ 'label' ] = ""
if 'variable' in viewDescription:
for varField in viewDescription[ 'variable' ]:
if varField in viewDescription[ 'definition' ]:
del( viewDescription[ 'definition' ][ varField ] )
else:
viewDescription[ 'variable' ] = []
acCatalog = self.__createCatalog()
return acCatalog.registerView( viewName, DEncode.encode( viewDescription ), viewDescription[ 'variable' ] )
def getViews( self, onlyStatic = True ):
"""
Get all stored views
"""
viewsList = self.__createCatalog().getViews( onlyStatic )
return S_OK( viewsList )
def plotView( self, viewRequest ):
"""
Generate all plots for a view
"""
views = self.__createCatalog().getViewById( viewRequest[ 'id' ] )
if len( views ) == 0:
return S_ERROR( "View does not exist" )
viewData = views[0]
viewDefinition = DEncode.decode( str( viewData[ 0 ] ) )[0]
neededVarFields = List.fromChar( viewData[1], "," )
if len( neededVarFields ) > 0:
if not 'varData' in viewRequest:
return S_ERROR( "Missing variable fields %s!" % ", ".join( neededVarFields ) )
missingVarFields = []
for neededField in neededVarFields:
if neededField in viewRequest[ 'varData' ]:
viewDefinition[ 'definition' ][ neededField ] = viewRequest[ 'varData' ][ neededField ]
else:
missingVarFields.append( neededField )
if len( missingVarFields ) > 0:
return S_ERROR( "Missing required fields %s!" % ", ".join( missingVarFields ) )
return self.generatePlots( viewRequest[ 'fromSecs' ], viewRequest[ 'toSecs' ], viewDefinition, viewRequest[ 'size' ] )
def deleteView( self, viewId ):
"""
Delete a view
"""
self.__createCatalog().deleteView( viewId )
return S_OK()
def getSources( self, dbCond = {}, fields = [] ):
"""
Get a list of activities
"""
catalog = self.__createCatalog()
return catalog.getSources( dbCond, fields )
def getActivities( self, dbCond = {} ):
"""
Get a list of activities
"""
acDict = {}
catalog = self.__createCatalog()
for sourceTuple in catalog.getSources( dbCond ):
activityCond = { 'sourceId' : sourceTuple[0] }
acDict[ sourceTuple ] = catalog.getActivities( activityCond )
return acDict
def getNumberOfActivities( self, dbCond = {} ):
"""
Get a list of activities
"""
catalog = self.__createCatalog()
total = 0
for sourceTuple in catalog.getSources( dbCond ):
activityCond = { 'sourceId' : sourceTuple[0] }
total += len( catalog.getActivities( activityCond ) )
return total
def getActivitiesContents( self, selDict, sortList, start, limit ):
"""
DB query
"""
return self.__createCatalog().activitiesQuery( selDict, sortList, start, limit )
def deleteActivity( self, sourceId, activityId ):
"""
Delete a view
"""
retVal = self.__createCatalog().deleteActivity( sourceId, activityId )
if not retVal[ 'OK' ]:
return retVal
self.__createRRDManager().deleteRRD( retVal[ 'Value' ] )
return S_OK()
#ComponentMonitoringDB functions
def __cmdb__writeComponent( self, sourceId ):
if sourceId not in ServiceInterface.__sourceToComponentIdMapping:
if not self.__cmdb__loadComponentFromActivityDB( sourceId ):
return False
compDict = ServiceInterface.__sourceToComponentIdMapping[ sourceId ]
result = self.compmonDB.registerComponent( compDict )
if not result[ 'OK' ]:
gLogger.error( "Cannot register component in ComponentMonitoringDB", result[ 'Message' ] )
return False
compDict[ 'compId' ] = result[ 'Value' ]
self.__cmdb__writeHeartbeat( sourceId )
gLogger.info( "Registered component in component monitoring db" )
return True
def __cmdb__merge( self, sourceId, extraDict ):
"""
Merge the cached dict
"""
compDict = ServiceInterface.__sourceToComponentIdMapping[ sourceId ]
for field in self.compmonDB.getOptionalFields():
if field in extraDict:
compDict[ field ] = extraDict[ field ]
ServiceInterface.__sourceToComponentIdMapping[ sourceId ] = compDict
def __cmdb__loadComponentFromActivityDB( self, sourceId ):
"""
Load the component dict from the activities it registered
"""
sources = gServiceInterface.getSources( { 'id' : sourceId },
[ 'componentType', 'componentName', 'componentLocation', 'setup' ] )
if len ( sources ) == 0:
return False
source = [ ts for ts in sources if len( ts ) > 0 ][0]
compDict = { 'type' : source[0],
'componentName' : source[1],
'host' : source[2],
'setup' : source[3],
}
if compDict[ 'type' ] == 'service':
loc = compDict[ 'host' ]
loc = loc[ loc.find( "://" ) + 3 : ]
loc = loc[ : loc.find( "/" ) ]
compDict[ 'host' ] = loc[ :loc.find( ":" ) ]
compDict[ 'port' ] = loc[ loc.find( ":" ) + 1: ]
ServiceInterface.__sourceToComponentIdMapping[ sourceId ] = compDict
return True
def __cmdb__writeHeartbeat( self, sourceId ):
compDict = ServiceInterface.__sourceToComponentIdMapping[ sourceId ]
result = self.compmonDB.heartbeat( compDict )
if not result[ 'OK' ]:
gLogger.error( "Cannot heartbeat component in ComponentMonitoringDB", result[ 'Message' ] )
def __cmdb_registerComponent( self, sourceId, sourceDict, componentExtraInfo ):
if sourceDict[ 'componentType' ] not in ( 'service', 'agent' ):
return
compDict = { 'componentName' : sourceDict[ 'componentName' ],
'setup' : sourceDict[ 'setup' ],
'type' : sourceDict[ 'componentType' ],
'host' : sourceDict[ 'componentLocation' ]
}
if compDict[ 'type' ] == 'service':
loc = compDict[ 'host' ]
loc = loc[ loc.find( "://" ) + 3 : ]
loc = loc[ : loc.find( "/" ) ]
compDict[ 'host' ] = loc[ :loc.find( ":" ) ]
compDict[ 'port' ] = loc[ loc.find( ":" ) + 1: ]
ServiceInterface.__sourceToComponentIdMapping[ sourceId ] = compDict
self.__cmdb__merge( sourceId, componentExtraInfo )
self.__cmdb__writeComponent( sourceId )
def __cmdb_heartbeatComponent( self, sourceId, componentExtraInfo ):
#Component heartbeat
if sourceId not in ServiceInterface.__sourceToComponentIdMapping:
if not self.__cmdb__loadComponentFromActivityDB( sourceId ):
return False
if ServiceInterface.__sourceToComponentIdMapping[ sourceId ][ 'type' ] not in ( 'service', 'agent' ):
return True
self.__cmdb__merge( sourceId, componentExtraInfo )
self.__cmdb__writeHeartbeat( sourceId )
return True
def getComponentsStatus( self, condDict = False ):
if not condDict:
condDict = {}
return self.compmonDB.getComponentsStatus( condDict )
class ComponentSynchronizer:
""" ComponentSynchronizer
"""
def __init__(self):
""" Constructor
"""
self.log = gLogger.getSubLogger(self.__class__.__name__)
self.compoDB = ComponentMonitoringDB()
self.rsClient = ResourceStatusClient()
def sync(self):
""" sync.
Reads from ComponentsMonitoringDB and prepares entries on RSS ComponentStatus
table.
"""
#TODO: delete from RSS if not anymore on ComponentsMonitoringDB
setup = gConfig.getValue('DIRAC/Setup')
components = self.compoDB.getComponentsStatus({'Setup': setup})
if not components['OK']:
return components
components = components['Value'][0][setup]
for agentName, agentsList in components['agent'].iteritems():
for agentDict in agentsList:
if agentDict['Status'] == 'Error':
self.log.warn('%(ComponentName)s %(Message)s' % agentDict)
continue
res = self.rsClient.addIfNotThereStatusElement(
'Component',
'Status',
name=agentName,
statusType=agentDict['Host'],
status='Unknown',
elementType='Agent',
reason='Synchronized',
)
if not res['OK']:
return res
for serviceName, servicesList in components['service'].iteritems():
for serviceDict in servicesList:
if serviceDict['Status'] == 'Error':
self.log.warn('%(ComponentName)s %(Message)s' %
serviceDict)
continue
res = self.rsClient.addIfNotThereStatusElement(
'Component',
'Status',
name=serviceName,
statusType='%(Host)s:%(Port)s' % serviceDict,
status='Unknown',
elementType='Service',
reason='Synchronized',
)
if not res['OK']:
return res
return S_OK()
#...............................................................................
#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF#EOF
class ServiceInterface(object):
__sourceToComponentIdMapping = {}
def __init__(self):
self.dataPath = "%s/data/monitoring" % gConfig.getValue(
'/LocalSite/InstancePath', rootPath)
self.plotsPath = "%s/plots" % self.dataPath
self.rrdPath = "%s/rrd" % self.dataPath
self.srvUp = False
self.compmonDB = False
def __createRRDManager(self):
"""
Generate an RRDManager
"""
return RRDManager(self.rrdPath, self.plotsPath)
def __createCatalog(self):
"""
Creates a Monitoring catalog connector
"""
return MonitoringCatalog(self.dataPath)
def initialize(self, dataPath):
"""
Initialize monitoring server
"""
self.dataPath = dataPath
self.plotCache = PlotCache(RRDManager(self.rrdPath, self.plotsPath))
self.srvUp = True
try:
self.compmonDB = ComponentMonitoringDB()
except Exception as e:
gLogger.exception("Cannot initialize component monitoring db: %s" %
e)
def initializeDB(self):
"""
Initializes and creates monitoring catalog db if it doesn't exist
"""
acCatalog = self.__createCatalog()
if not acCatalog.createSchema():
return False
# Register default view if it's not there
viewNames = [str(v[1]) for v in acCatalog.getViews(False)]
if 'Dynamic component view' in viewNames:
return True
return acCatalog.registerView(
"Dynamic component view",
DEncode.encode({
'variable': ['sources.componentName'],
'definition': {},
'stacked': True,
'groupBy': ['activities.description'],
'label': '$SITE'
}), ['sources.componentName'])
def __checkSourceDict(self, sourceDict):
"""
Check that the dictionary is a valid source one
"""
validKeys = ("setup", "site", "componentType", "componentLocation",
"componentName")
for key in validKeys:
if key not in sourceDict:
return False
return True
def __checkActivityDict(self, acDict):
"""
Check that the dictionary is a valid activity one
"""
validKeys = ('category', 'description', 'bucketLength', 'type', 'unit')
for key in validKeys:
if key not in acDict:
return False
return True
def registerActivities(self, sourceDict, activitiesDict,
componentExtraInfo):
"""
Register new activities in the database
"""
acCatalog = self.__createCatalog()
rrdManager = self.__createRRDManager()
# Register source
if not self.__checkSourceDict(sourceDict):
return S_ERROR("Source definition is not valid")
sourceId = acCatalog.registerSource(sourceDict)
# Register activities
for name in activitiesDict:
if not self.__checkActivityDict(activitiesDict[name]):
return S_ERROR("Definition for activity %s is not valid" %
name)
activitiesDict[name]['name'] = name
if 'bucketLength' not in activitiesDict[name]:
activitiesDict[name]['bucketLength'] = 60
if not self.__checkActivityDict(activitiesDict[name]):
return S_ERROR("Activity %s definition is not valid" % name)
gLogger.info("Received activity",
"%s [%s]" % (name, str(activitiesDict[name])))
rrdFile = acCatalog.registerActivity(sourceId, name,
activitiesDict[name])
if not rrdFile:
return S_ERROR("Could not register activity %s" % name)
retVal = rrdManager.create(activitiesDict[name]['type'], rrdFile,
activitiesDict[name]['bucketLength'])
if not retVal['OK']:
return retVal
self.__cmdb_registerComponent(sourceId, sourceDict, componentExtraInfo)
return S_OK(sourceId)
def commitMarks(self, sourceId, activitiesDict, componentExtraInfo):
"""
Adds marks to activities
"""
gLogger.info(
"Committing marks",
"From %s for %s" % (sourceId, ", ".join(activitiesDict.keys())))
acCatalog = self.__createCatalog()
rrdManager = self.__createRRDManager()
unregisteredActivities = []
for acName in activitiesDict:
acData = activitiesDict[acName]
acInfo = acCatalog.findActivity(sourceId, acName)
if not acInfo:
unregisteredActivities.append(acName)
gLogger.warn("Cant find rrd filename",
"%s:%s activity" % (sourceId, acName))
continue
rrdFile = acInfo[6]
if not rrdManager.existsRRDFile(rrdFile):
gLogger.error(
"RRD file does not exist",
"%s:%s activity (%s)" % (sourceId, acName, rrdFile))
unregisteredActivities.append(acName)
continue
gLogger.info("Updating activity", "%s -> %s" % (acName, rrdFile))
timeList = sorted(acData.keys())
entries = []
for instant in timeList:
entries.append((instant, acData[instant]))
if len(entries) > 0:
gLogger.verbose("There are %s entries for %s" %
(len(entries), acName))
retDict = rrdManager.update(acInfo[4], rrdFile, acInfo[7],
entries, long(acInfo[8]))
if not retDict['OK']:
gLogger.error(
"There was an error updating",
"%s:%s activity [%s]" % (sourceId, acName, rrdFile))
else:
acCatalog.setLastUpdate(sourceId, acName, retDict['Value'])
if not self.__cmdb_heartbeatComponent(sourceId, componentExtraInfo):
for acName in activitiesDict:
if acName not in unregisteredActivities:
unregisteredActivities.append(acName)
return S_OK(unregisteredActivities)
def fieldValue(self, field, definedFields):
"""
Return values for a field given a set of defined values for other fields
"""
retList = self.__createCatalog().queryField("DISTINCT %s" % field,
definedFields)
return S_OK(retList)
def __getGroupedPlots(self, viewDescription):
"""
Calculate grouped plots for a view
"""
plotsList = []
acCatalog = self.__createCatalog()
groupList = acCatalog.queryField(
"DISTINCT %s" % ", ".join(viewDescription['groupBy']),
viewDescription['definition'])
for grouping in groupList:
gLogger.debug("Grouped plot for combination %s" % str(grouping))
groupDefinitionDict = dict(viewDescription['definition'])
for index in range(len(viewDescription['groupBy'])):
groupDefinitionDict[viewDescription['groupBy']
[index]] = grouping[index]
activityList = acCatalog.getMatchingActivities(groupDefinitionDict)
for activity in activityList:
activity.setGroup(grouping)
activity.setLabel(viewDescription['label'])
plotsList.append(activityList)
return plotsList
def __generateGroupPlots(self, fromSecs, toSecs, viewDescription, size):
"""
Generate grouped plots for a view
"""
plotList = self.__getGroupedPlots(viewDescription)
filesList = []
for groupPlot in plotList:
retVal = self.plotCache.groupPlot(fromSecs, toSecs, groupPlot,
viewDescription['stacked'], size)
if not retVal['OK']:
gLogger.error("There was a problem ploting", retVal['Message'])
return retVal
graphFile = retVal['Value']
gLogger.verbose(
"Generated graph",
"file %s for group %s" % (graphFile, str(groupPlot[0])))
filesList.append(graphFile)
return S_OK(filesList)
def __getPlots(self, viewDescription):
"""
Calculate plots for a view
"""
acCatalog = self.__createCatalog()
return acCatalog.getMatchingActivities(viewDescription['definition'])
def __generatePlots(self, fromSecs, toSecs, viewDescription, size):
"""
Generate non grouped plots for a view
"""
acList = self.__getPlots(viewDescription)
filesList = []
for activity in acList:
activity.setLabel(viewDescription['label'])
retVal = self.plotCache.plot(fromSecs, toSecs, activity,
viewDescription['stacked'], size)
if not retVal['OK']:
gLogger.error("There was a problem ploting", retVal['Message'])
return retVal
graphFile = retVal['Value']
gLogger.verbose("Generated graph", "file %s" % (graphFile))
filesList.append(graphFile)
return S_OK(filesList)
def generatePlots(self, fromSecs, toSecs, viewDescription, size=1):
"""
Generate plots for a view
"""
gLogger.info("Generating plots", str(viewDescription))
if 'stacked' not in viewDescription:
viewDescription['stacked'] = False
if 'label' not in viewDescription:
viewDescription['label'] = ""
if 'groupBy' in viewDescription and len(viewDescription['groupBy']):
return self.__generateGroupPlots(fromSecs, toSecs, viewDescription,
size)
return self.__generatePlots(fromSecs, toSecs, viewDescription, size)
def getGraphData(self, filename):
"""
Read the contents of a plot file
"""
try:
fd = file("%s/%s" % (self.plotsPath, filename))
except Exception as e:
return S_ERROR(e)
data = fd.read()
fd.close()
return S_OK(data)
def saveView(self, viewName, viewDescription):
"""
Save a view in the catalog
"""
if 'stacked' not in viewDescription:
viewDescription['stacked'] = False
if 'label' not in viewDescription:
viewDescription['label'] = ""
if 'variable' in viewDescription:
for varField in viewDescription['variable']:
if varField in viewDescription['definition']:
del (viewDescription['definition'][varField])
else:
viewDescription['variable'] = []
acCatalog = self.__createCatalog()
return acCatalog.registerView(viewName,
DEncode.encode(viewDescription),
viewDescription['variable'])
def getViews(self, onlyStatic=True):
"""
Get all stored views
"""
viewsList = self.__createCatalog().getViews(onlyStatic)
return S_OK(viewsList)
def plotView(self, viewRequest):
"""
Generate all plots for a view
"""
views = self.__createCatalog().getViewById(viewRequest['id'])
if len(views) == 0:
return S_ERROR("View does not exist")
viewData = views[0]
viewDefinition = DEncode.decode(str(viewData[0]))[0]
neededVarFields = List.fromChar(viewData[1], ",")
if len(neededVarFields) > 0:
if 'varData' not in viewRequest:
return S_ERROR("Missing variable fields %s!" %
", ".join(neededVarFields))
missingVarFields = []
for neededField in neededVarFields:
if neededField in viewRequest['varData']:
viewDefinition['definition'][neededField] = viewRequest[
'varData'][neededField]
else:
missingVarFields.append(neededField)
if len(missingVarFields) > 0:
return S_ERROR("Missing required fields %s!" %
", ".join(missingVarFields))
return self.generatePlots(viewRequest['fromSecs'],
viewRequest['toSecs'], viewDefinition,
viewRequest['size'])
def deleteView(self, viewId):
"""
Delete a view
"""
self.__createCatalog().deleteView(viewId)
return S_OK()
def getSources(self, dbCond={}, fields=[]):
"""
Get a list of activities
"""
catalog = self.__createCatalog()
return catalog.getSources(dbCond, fields)
def getActivities(self, dbCond={}):
"""
Get a list of activities
"""
acDict = {}
catalog = self.__createCatalog()
for sourceTuple in catalog.getSources(dbCond):
activityCond = {'sourceId': sourceTuple[0]}
acDict[sourceTuple] = catalog.getActivities(activityCond)
return acDict
def getNumberOfActivities(self, dbCond={}):
"""
Get a list of activities
"""
catalog = self.__createCatalog()
total = 0
for sourceTuple in catalog.getSources(dbCond):
activityCond = {'sourceId': sourceTuple[0]}
total += len(catalog.getActivities(activityCond))
return total
def getActivitiesContents(self, selDict, sortList, start, limit):
"""
DB query
"""
return self.__createCatalog().activitiesQuery(selDict, sortList, start,
limit)
def deleteActivity(self, sourceId, activityId):
"""
Delete a view
"""
retVal = self.__createCatalog().deleteActivity(sourceId, activityId)
if not retVal['OK']:
return retVal
self.__createRRDManager().deleteRRD(retVal['Value'])
return S_OK()
# ComponentMonitoringDB functions
def __cmdb__writeComponent(self, sourceId):
if sourceId not in ServiceInterface.__sourceToComponentIdMapping:
if not self.__cmdb__loadComponentFromActivityDB(sourceId):
return False
compDict = ServiceInterface.__sourceToComponentIdMapping[sourceId]
result = self.compmonDB.registerComponent(compDict)
if not result['OK']:
gLogger.error("Cannot register component in ComponentMonitoringDB",
result['Message'])
return False
compDict['compId'] = result['Value']
self.__cmdb__writeHeartbeat(sourceId)
gLogger.info("Registered component in component monitoring db")
return True
def __cmdb__merge(self, sourceId, extraDict):
"""
Merge the cached dict
"""
compDict = ServiceInterface.__sourceToComponentIdMapping[sourceId]
for field in self.compmonDB.getOptionalFields():
if field in extraDict:
compDict[field] = extraDict[field]
ServiceInterface.__sourceToComponentIdMapping[sourceId] = compDict
def __cmdb__loadComponentFromActivityDB(self, sourceId):
"""
Load the component dict from the activities it registered
"""
sources = gServiceInterface.getSources(
{'id': sourceId},
['componentType', 'componentName', 'componentLocation', 'setup'])
if len(sources) == 0:
return False
source = [ts for ts in sources if len(ts) > 0][0]
compDict = {
'type': source[0],
'componentName': source[1],
'host': source[2],
'setup': source[3],
}
if compDict['type'] == 'service':
loc = compDict['host']
loc = loc[loc.find("://") + 3:]
loc = loc[:loc.find("/")]
compDict['host'] = loc[:loc.find(":")]
compDict['port'] = loc[loc.find(":") + 1:]
ServiceInterface.__sourceToComponentIdMapping[sourceId] = compDict
return True
def __cmdb__writeHeartbeat(self, sourceId):
compDict = ServiceInterface.__sourceToComponentIdMapping[sourceId]
result = self.compmonDB.heartbeat(compDict)
if not result['OK']:
gLogger.error(
"Cannot heartbeat component in ComponentMonitoringDB",
result['Message'])
def __cmdb_registerComponent(self, sourceId, sourceDict,
componentExtraInfo):
if sourceDict['componentType'] not in ('service', 'agent'):
return
compDict = {
'componentName': sourceDict['componentName'],
'setup': sourceDict['setup'],
'type': sourceDict['componentType'],
'host': sourceDict['componentLocation']
}
if compDict['type'] == 'service':
loc = compDict['host']
loc = loc[loc.find("://") + 3:]
loc = loc[:loc.find("/")]
compDict['host'] = loc[:loc.find(":")]
compDict['port'] = loc[loc.find(":") + 1:]
ServiceInterface.__sourceToComponentIdMapping[sourceId] = compDict
self.__cmdb__merge(sourceId, componentExtraInfo)
self.__cmdb__writeComponent(sourceId)
def __cmdb_heartbeatComponent(self, sourceId, componentExtraInfo):
# Component heartbeat
if sourceId not in ServiceInterface.__sourceToComponentIdMapping:
if not self.__cmdb__loadComponentFromActivityDB(sourceId):
return False
if ServiceInterface.__sourceToComponentIdMapping[sourceId][
'type'] not in ('service', 'agent'):
return True
self.__cmdb__merge(sourceId, componentExtraInfo)
self.__cmdb__writeHeartbeat(sourceId)
return True
def getComponentsStatus(self, condDict=False):
if not condDict:
condDict = {}
return self.compmonDB.getComponentsStatus(condDict)
class ServiceInterface(object):
"""
The gServiceInterface singleton object which is used by the MonitoringHandle to register activities and
commit the data is inherited from this class.
"""
__sourceToComponentIdMapping = {}
def __init__(self):
self.dataPath = "%s/data/monitoring" % gConfig.getValue(
'/LocalSite/InstancePath', rootPath)
self.plotsPath = "%s/plots" % self.dataPath
self.rrdPath = "%s/rrd" % self.dataPath
self.srvUp = False
self.compmonDB = False
def __createRRDManager(self):
"""
Generates an RRDManager
"""
return RRDManager(self.rrdPath, self.plotsPath)
def __createCatalog(self):
"""
Creates a Monitoring catalog connector
"""
return MonitoringCatalog(self.dataPath)
def initialize(self, dataPath):
"""
Initializes monitoring server
:type dataPath: string
:param dataPath: The root path of the data directory.
"""
self.dataPath = dataPath
self.plotCache = PlotCache(RRDManager(self.rrdPath, self.plotsPath))
self.srvUp = True
try:
self.compmonDB = ComponentMonitoringDB()
except Exception as e:
gLogger.exception("Cannot initialize component monitoring db: %s" %
e)
def initializeDB(self):
"""
Initializes and creates monitoring catalog db if it doesn't exist
"""
acCatalog = self.__createCatalog()
if not acCatalog.createSchema():
return False
# Register default view if it's not there
viewNames = [str(v[1]) for v in acCatalog.getViews(False)]
if 'Dynamic component view' in viewNames:
return True
return acCatalog.registerView(
"Dynamic component view",
DEncode.encode({
'variable': ['sources.componentName'],
'definition': {},
'stacked': True,
'groupBy': ['activities.description'],
'label': '$SITE'
}), ['sources.componentName'])
def __checkSourceDict(self, sourceDict):
"""
Checks that the dictionary is a valid source one
:type sourceDict: dictionary
:param sourceDict: The source dictionary containing information about "setup", "site", "componentType",
"componentLocation", "componentName"
:return: bool
"""
validKeys = ("setup", "site", "componentType", "componentLocation",
"componentName")
for key in validKeys:
if key not in sourceDict:
return False
return True
def __checkActivityDict(self, acDict):
"""
Checks that the dictionary is a valid activity one
:type acDict: dictionary
:param acDict: The activity dictionary containing information about 'category', 'description', 'bucketLength',
'type', 'unit'.
:return: bool
"""
validKeys = ('category', 'description', 'bucketLength', 'type', 'unit')
for key in validKeys:
if key not in acDict:
return False
return True
def registerActivities(self, sourceDict, activitiesDict,
componentExtraInfo):
"""
Registers new activities in the database.
:type sourceDict: dictionary
:param sourceDict: The source dictionary containing information about "setup", "site", "componentType",
"componentLocation", "componentName"
:type activitiesDict: dictionary
:param activitiesDict: The activity dictionary containing information about 'category', 'description',
'bucketLength', 'type', 'unit'
:type componentExtraInfo: dictionary
:param componentExtraInfo: This contains one or many of these 'version', 'DIRACVersion', 'description',
'startTime', 'platform', 'cycles', 'queries'.
:return: S_OK with sourceId / S_ERROR with the corresoponding message.
"""
acCatalog = self.__createCatalog()
rrdManager = self.__createRRDManager()
# Register source
if not self.__checkSourceDict(sourceDict):
return S_ERROR("Source definition is not valid")
sourceId = acCatalog.registerSource(sourceDict)
# Register activities
for name in activitiesDict:
if not self.__checkActivityDict(activitiesDict[name]):
return S_ERROR("Definition for activity %s is not valid" %
name)
activitiesDict[name]['name'] = name
if 'bucketLength' not in activitiesDict[name]:
activitiesDict[name]['bucketLength'] = 60
if not self.__checkActivityDict(activitiesDict[name]):
return S_ERROR("Activity %s definition is not valid" % name)
gLogger.info("Received activity",
"%s [%s]" % (name, str(activitiesDict[name])))
rrdFile = acCatalog.registerActivity(sourceId, name,
activitiesDict[name])
if not rrdFile:
return S_ERROR("Could not register activity %s" % name)
retVal = rrdManager.create(activitiesDict[name]['type'], rrdFile,
activitiesDict[name]['bucketLength'])
if not retVal['OK']:
return retVal
self.__cmdb_registerComponent(sourceId, sourceDict, componentExtraInfo)
return S_OK(sourceId)
def commitMarks(self, sourceId, activitiesDict, componentExtraInfo):
"""
Adds marks to activities.
:type sourceId: int
:param sourceId: This id is returned after the activity is registered inside the database and
is used for committing the marks.
:type activitiesDict: dictionary
:param activitiesDict: The activity dictionary containing information about 'category', 'description',
'bucketLength', 'type', 'unit'
:type componentExtraInfo: dictionary
:param componentExtraInfo: This contains one or many of these 'version', 'DIRACVersion', 'description',
'startTime', 'platform', 'cycles', 'queries'.
:return: S_OK with a list of unregistered activities.
"""
gLogger.info(
"Committing marks",
"From %s for %s" % (sourceId, ", ".join(activitiesDict.keys())))
acCatalog = self.__createCatalog()
rrdManager = self.__createRRDManager()
unregisteredActivities = []
for acName in activitiesDict:
acData = activitiesDict[acName]
acInfo = acCatalog.findActivity(sourceId, acName)
if not acInfo:
unregisteredActivities.append(acName)
gLogger.warn("Cant find rrd filename",
"%s:%s activity" % (sourceId, acName))
continue
rrdFile = acInfo[6]
if not rrdManager.existsRRDFile(rrdFile):
gLogger.error(
"RRD file does not exist",
"%s:%s activity (%s)" % (sourceId, acName, rrdFile))
unregisteredActivities.append(acName)
continue
gLogger.info("Updating activity", "%s -> %s" % (acName, rrdFile))
timeList = sorted(acData)
entries = []
for instant in timeList:
entries.append((instant, acData[instant]))
if len(entries) > 0:
gLogger.verbose("There are %s entries for %s" %
(len(entries), acName))
retDict = rrdManager.update(acInfo[4], rrdFile, acInfo[7],
entries, long(acInfo[8]))
if not retDict['OK']:
gLogger.error(
"There was an error updating",
"%s:%s activity [%s]" % (sourceId, acName, rrdFile))
else:
acCatalog.setLastUpdate(sourceId, acName, retDict['Value'])
if not self.__cmdb_heartbeatComponent(sourceId, componentExtraInfo):
for acName in activitiesDict:
if acName not in unregisteredActivities:
unregisteredActivities.append(acName)
return S_OK(unregisteredActivities)
def fieldValue(self, field, definedFields):
"""
Calculated values for a field given a set of defined values for other fields.
:type field: list
:param field: A set of fields.
:type definedFields: list
:param definedFields: A set of defined fields
:return: S_OK with a list of the desired values.
"""
retList = self.__createCatalog().queryField("DISTINCT %s" % field,
definedFields)
return S_OK(retList)
def __getGroupedPlots(self, viewDescription):
"""
Calculates grouped plots for a view.
:type viewDescription: dictionary
:param viewDescription: A dictionary containing the view description.
:return: list of plots.
"""
plotsList = []
acCatalog = self.__createCatalog()
groupList = acCatalog.queryField(
"DISTINCT %s" % ", ".join(viewDescription['groupBy']),
viewDescription['definition'])
for grouping in groupList:
gLogger.debug("Grouped plot for combination %s" % str(grouping))
groupDefinitionDict = dict(viewDescription['definition'])
for index in range(len(viewDescription['groupBy'])):
groupDefinitionDict[viewDescription['groupBy']
[index]] = grouping[index]
activityList = acCatalog.getMatchingActivities(groupDefinitionDict)
for activity in activityList:
activity.setGroup(grouping)
activity.setLabel(viewDescription['label'])
plotsList.append(activityList)
return plotsList
def __generateGroupPlots(self, fromSecs, toSecs, viewDescription, size):
"""
Generates grouped plots for a view.
:type fromSecs: int
:param fromSecs: A value in seconds from where to start.
:type toSecs: int
:param toSecs: A value in seconds for where to end.
:type viewDescription: dictionary
:param viewDescription: A dictionary containing the view description.
:type size: int
:param size: There is a matrix defined for size so here only one of these values go [0, 1, 2, 3].
:return: S_OK with a list of files.
"""
plotList = self.__getGroupedPlots(viewDescription)
filesList = []
for groupPlot in plotList:
retVal = self.plotCache.groupPlot(fromSecs, toSecs, groupPlot,
viewDescription['stacked'], size)
if not retVal['OK']:
gLogger.error("There was a problem ploting", retVal['Message'])
return retVal
graphFile = retVal['Value']
gLogger.verbose(
"Generated graph",
"file %s for group %s" % (graphFile, str(groupPlot[0])))
filesList.append(graphFile)
return S_OK(filesList)
def __getPlots(self, viewDescription):
"""
Calculates plots for a view.
:type viewDescription: dictionary
:param viewDescription: A dictionary containing the view description.
:return: list of matching activities.
"""
acCatalog = self.__createCatalog()
return acCatalog.getMatchingActivities(viewDescription['definition'])
def __generatePlots(self, fromSecs, toSecs, viewDescription, size):
"""
Generates non grouped plots for a view.
:type fromSecs: int
:param fromSecs: A value in seconds from where to start.
:type toSecs: int
:param toSecs: A value in seconds for where to end.
:type viewDescription: dictionary
:param viewDescription: A dictionary containing the view description.
:type size: int
:param size: There is a matrix defined for size so here only one of these values go [0, 1, 2, 3].
:return: S_OK with a list of files.
"""
acList = self.__getPlots(viewDescription)
filesList = []
for activity in acList:
activity.setLabel(viewDescription['label'])
retVal = self.plotCache.plot(fromSecs, toSecs, activity,
viewDescription['stacked'], size)
if not retVal['OK']:
gLogger.error("There was a problem ploting", retVal['Message'])
return retVal
graphFile = retVal['Value']
gLogger.verbose("Generated graph", "file %s" % (graphFile))
filesList.append(graphFile)
return S_OK(filesList)
def generatePlots(self, fromSecs, toSecs, viewDescription, size=1):
"""
Generates plots for a view.
:type fromSecs: int
:param fromSecs: A value in seconds from where to start.
:type toSecs: int
:param toSecs: A value in seconds for where to end.
:type viewDescription: dictionary
:param viewDescription: A dictionary containing the view description.
:type size: int
:param size: There is a matrix defined for size so here only one of these values go [0, 1, 2, 3].
:return: S_OK with a list of files.
"""
gLogger.info("Generating plots", str(viewDescription))
if 'stacked' not in viewDescription:
viewDescription['stacked'] = False
if 'label' not in viewDescription:
viewDescription['label'] = ""
if 'groupBy' in viewDescription and len(viewDescription['groupBy']):
return self.__generateGroupPlots(fromSecs, toSecs, viewDescription,
size)
return self.__generatePlots(fromSecs, toSecs, viewDescription, size)
def getGraphData(self, filename):
"""
Reads the contents of a plot file.
:type filename: string
:param filname: The name of the file.
:return: S_OK with all the data that is read.
"""
try:
with open("%s/%s" % (self.plotsPath, filename)) as fd:
data = fd.read()
except Exception as e:
return S_ERROR(e)
else:
return S_OK(data)
def saveView(self, viewName, viewDescription):
"""
Saves a view in the catalog.
:type viewName: string
:param viewName: Name of the view.
:type viewDescription: dictionary
:param viewDescription: A dictionary containing the view description.
:return: S_OK / S_ERROR with the corresponding error message.
"""
if 'stacked' not in viewDescription:
viewDescription['stacked'] = False
if 'label' not in viewDescription:
viewDescription['label'] = ""
if 'variable' in viewDescription:
for varField in viewDescription['variable']:
if varField in viewDescription['definition']:
del (viewDescription['definition'][varField])
else:
viewDescription['variable'] = []
acCatalog = self.__createCatalog()
return acCatalog.registerView(viewName,
DEncode.encode(viewDescription),
viewDescription['variable'])
def getViews(self, onlyStatic=True):
"""
Gets all stored views.
:type onlyStatic: bool
:param onlyStatic: Whether the views required are static or not.
:return: S_OK with a list of views.
"""
viewsList = self.__createCatalog().getViews(onlyStatic)
return S_OK(viewsList)
def plotView(self, viewRequest):
"""
Generates all plots for a view.
:type viewRequest: dictionary
:param viewRequest: Containing information of the view like 'id', 'fromSecs', 'toSecs', etc.
:return: S_OK with a list of files.
"""
views = self.__createCatalog().getViewById(viewRequest['id'])
if len(views) == 0:
return S_ERROR("View does not exist")
viewData = views[0]
viewDefinition = DEncode.decode(str(viewData[0]))[0]
neededVarFields = List.fromChar(viewData[1], ",")
if len(neededVarFields) > 0:
if 'varData' not in viewRequest:
return S_ERROR("Missing variable fields %s!" %
", ".join(neededVarFields))
missingVarFields = []
for neededField in neededVarFields:
if neededField in viewRequest['varData']:
viewDefinition['definition'][neededField] = viewRequest[
'varData'][neededField]
else:
missingVarFields.append(neededField)
if len(missingVarFields) > 0:
return S_ERROR("Missing required fields %s!" %
", ".join(missingVarFields))
return self.generatePlots(viewRequest['fromSecs'],
viewRequest['toSecs'], viewDefinition,
viewRequest['size'])
def deleteView(self, viewId):
"""
Deletes a view.
:type viewId: string
:param viewId: The view id.
:return: S_OK
"""
self.__createCatalog().deleteView(viewId)
return S_OK()
def getSources(self, dbCond={}, fields=[]):
"""
Gets a list of activities.
:type dbCond: dictionary
:param dbCond: The required database conditions.
:type fields: list
:param fields: A list of required fields.
:return: The list of results after the query is performed.
"""
catalog = self.__createCatalog()
return catalog.getSources(dbCond, fields)
def getActivities(self, dbCond={}):
"""
Gets a list of activities.
:type dbCond: dictionary
:param dbCond: The required database conditions.
:return: an activity dictionary.
"""
acDict = {}
catalog = self.__createCatalog()
for sourceTuple in catalog.getSources(dbCond):
activityCond = {'sourceId': sourceTuple[0]}
acDict[sourceTuple] = catalog.getActivities(activityCond)
return acDict
def getNumberOfActivities(self, dbCond={}):
"""
Gets the number of activities.
:type dbCond: dictionary
:param dbCond: The required database conditions.
:return: An integer indicating the total number of activities.
"""
catalog = self.__createCatalog()
total = 0
for sourceTuple in catalog.getSources(dbCond):
activityCond = {'sourceId': sourceTuple[0]}
total += len(catalog.getActivities(activityCond))
return total
def getActivitiesContents(self, selDict, sortList, start, limit):
"""
Gets all the sources and activities details in a joined format.
:type selDict: dictionary
:param selDict: The fields inside the select query.
:type sortList: list
:param sortList: A list in sorted order of the data.
:type start: int
:param start: The point or tuple from where to start.
:type limit: int
:param limit: The number of tuples to select from the starting point.
:return: S_OK with a tuple of the result list and fields list.
"""
return self.__createCatalog().activitiesQuery(selDict, sortList, start,
limit)
def deleteActivity(self, sourceId, activityId):
"""
Deletes a view.
:type sourceId: string
:param sourceId: The source id.
:type activityId: string
:param activityId: The activity id.
:return: S_OK / The corresponding error message.
"""
retVal = self.__createCatalog().deleteActivity(sourceId, activityId)
if not retVal['OK']:
return retVal
self.__createRRDManager().deleteRRD(retVal['Value'])
return S_OK()
# ComponentMonitoringDB functions
def __cmdb__writeComponent(self, sourceId):
"""
Used to write basic component details to the ComponentMonitoringDB(MySQLdb).
:type sourceId: string
:param sourceId: the source id.
:return: True / False
"""
if sourceId not in ServiceInterface.__sourceToComponentIdMapping:
if not self.__cmdb__loadComponentFromActivityDB(sourceId):
return False
compDict = ServiceInterface.__sourceToComponentIdMapping[sourceId]
result = self.compmonDB.registerComponent(compDict)
if not result['OK']:
gLogger.error("Cannot register component in ComponentMonitoringDB",
result['Message'])
return False
compDict['compId'] = result['Value']
self.__cmdb__writeHeartbeat(sourceId)
gLogger.info("Registered component in component monitoring db")
return True
def __cmdb__merge(self, sourceId, extraDict):
"""
Merges the cached dict.
:type sourceId: string
:param sourceId: the source id.
:type extraDict: dictionary
:param extraDict: The dictionary containing extra information.
"""
compDict = ServiceInterface.__sourceToComponentIdMapping[sourceId]
for field in self.compmonDB.getOptionalFields():
if field in extraDict:
compDict[field] = extraDict[field]
ServiceInterface.__sourceToComponentIdMapping[sourceId] = compDict
def __cmdb__loadComponentFromActivityDB(self, sourceId):
"""
Loads the component dict from the activities it registered.
:type sourceId: string
:param sourceId: the source id.
:return: True / False
"""
sources = gServiceInterface.getSources(
{'id': sourceId},
['componentType', 'componentName', 'componentLocation', 'setup'])
if len(sources) == 0:
return False
source = [ts for ts in sources if len(ts) > 0][0]
compDict = {
'type': source[0],
'componentName': source[1],
'host': source[2],
'setup': source[3],
}
if compDict['type'] == 'service':
loc = compDict['host']
loc = loc[loc.find("://") + 3:]
loc = loc[:loc.find("/")]
compDict['host'] = loc[:loc.find(":")]
compDict['port'] = loc[loc.find(":") + 1:]
ServiceInterface.__sourceToComponentIdMapping[sourceId] = compDict
return True
def __cmdb__writeHeartbeat(self, sourceId):
"""
Writes the heartbeat stamp to the ComponentMonitoringDB.
:type sourceId: string
:param sourceId: the source id.
:return: True / False
"""
compDict = ServiceInterface.__sourceToComponentIdMapping[sourceId]
result = self.compmonDB.heartbeat(compDict)
if not result['OK']:
gLogger.error(
"Cannot heartbeat component in ComponentMonitoringDB",
result['Message'])
def __cmdb_registerComponent(self, sourceId, sourceDict,
componentExtraInfo):
"""
Writes all the basic component information to the ComponentMonitoringDB.
:type sourceId: string
:param sourceId: the source id.
:type sourceDict: dictionary
:param sourceDict: The dictionary containing source information.
:type componentExtraInfo: dictionary
:param componentExtraInfo: The dictionary containing extra information.
"""
if sourceDict['componentType'] not in ('service', 'agent'):
return
compDict = {
'componentName': sourceDict['componentName'],
'setup': sourceDict['setup'],
'type': sourceDict['componentType'],
'host': sourceDict['componentLocation']
}
if compDict['type'] == 'service':
loc = compDict['host']
loc = loc[loc.find("://") + 3:]
loc = loc[:loc.find("/")]
compDict['host'] = loc[:loc.find(":")]
compDict['port'] = loc[loc.find(":") + 1:]
ServiceInterface.__sourceToComponentIdMapping[sourceId] = compDict
self.__cmdb__merge(sourceId, componentExtraInfo)
self.__cmdb__writeComponent(sourceId)
def __cmdb_heartbeatComponent(self, sourceId, componentExtraInfo):
"""
This method is used to write the Component heartbeat using the __cmdb__writeHeartbeat method.
:type sourceId: string
:param sourceId: the source id.
:type componentExtraInfo: dictionary
:param componentExtraInfo: The dictionary containing extra information.
:return: True / False
"""
# Component heartbeat
if sourceId not in ServiceInterface.__sourceToComponentIdMapping:
if not self.__cmdb__loadComponentFromActivityDB(sourceId):
return False
if ServiceInterface.__sourceToComponentIdMapping[sourceId][
'type'] not in ('service', 'agent'):
return True
self.__cmdb__merge(sourceId, componentExtraInfo)
self.__cmdb__writeHeartbeat(sourceId)
return True
def getComponentsStatus(self, condDict=False):
"""
This method basically returns the component status by reading it from the ComponentMonitoringDB.
:type condDict: dictionary
:param condDict: The dictionary containing the conditions.
:return: S_OK with the requires results.
"""
if not condDict:
condDict = {}
return self.compmonDB.getComponentsStatus(condDict)