class SummarizeLogsAgent(AgentModule):
"""SummarizeLogsAgent as extension of AgentModule."""
def __init__(self, *args, **kwargs):
"""Constructor."""
AgentModule.__init__(self, *args, **kwargs)
self.rsClient = None
self.months = 36
def initialize(self):
"""Standard initialize.
:return: S_OK
"""
self.rsClient = ResourceStatusClient()
self.months = self.am_getOption("Months", self.months)
return S_OK()
def execute(self):
"""execute (main method)
The execute method runs over the three families of tables (Site, Resource and
Node) performing identical operations. First, selects all logs for a given
family (and keeps track of which one is the last row ID). It summarizes the
logs and finally, deletes the logs from the database.
At last, this agent removes older entries from history tables
:return: S_OK
"""
# loop over the tables
for element in ("Site", "Resource", "Node"):
self.log.info("Summarizing %s" % element)
# get all logs to be summarized
selectLogElements = self._summarizeLogs(element)
if not selectLogElements["OK"]:
self.log.error(selectLogElements["Message"])
continue
lastID, logElements = selectLogElements["Value"]
# logElements is a dictionary of key-value pairs as follows:
# (name, statusType) : list(logs)
for key, logs in logElements.items():
sumResult = self._registerLogs(element, key, logs)
if not sumResult["OK"]:
self.log.error(sumResult["Message"])
continue
if lastID is not None:
self.log.info("Deleting %sLog till ID %s" % (element, lastID))
deleteResult = self.rsClient.deleteStatusElement(
element, "Log", meta={"older": ["ID", lastID]})
if not deleteResult["OK"]:
self.log.error(deleteResult["Message"])
continue
if self.months:
self._removeOldHistoryEntries(element, self.months)
return S_OK()
def _summarizeLogs(self, element):
"""given an element, selects all logs in table <element>Log.
:param str element: name of the table family (either Site, Resource or Node)
:return: S_OK(lastID, listOfLogs) / S_ERROR
"""
selectResults = self.rsClient.selectStatusElement(element, "Log")
if not selectResults["OK"]:
return selectResults
selectedItems = {}
latestID = None
if not selectResults["Value"]:
return S_OK((latestID, selectedItems))
selectColumns = selectResults["Columns"]
selectResults = selectResults["Value"]
if selectResults:
latestID = dict(zip(selectColumns, selectResults[-1]))["ID"]
for selectResult in selectResults:
elementDict = dict(zip(selectColumns, selectResult))
key = (elementDict["Name"], elementDict["StatusType"])
if key not in selectedItems:
selectedItems[key] = [elementDict]
else:
lastStatus = selectedItems[key][-1]["Status"]
lastToken = selectedItems[key][-1]["TokenOwner"]
# If there are no changes on the Status or the TokenOwner with respect
# the previous one, discards the log.
if lastStatus != elementDict[
"Status"] or lastToken != elementDict["TokenOwner"]:
selectedItems[key].append(elementDict)
return S_OK((latestID, selectedItems))
def _registerLogs(self, element, key, logs):
"""Given an element, a key - which is a tuple (<name>, <statusType>)
and a list of dictionaries, this method inserts them on the <element>History
table. Before inserting them, checks whether the first one is or is not on
the <element>History table. If it is, it is not inserted.
:param str element: name of the table family (either Site, Resource or Node)
:param tuple key: tuple with the name of the element and the statusType
:param list logs: list of dictionaries containing the logs
:return: S_OK(lastID, listOfLogs) / S_ERROR
:return: S_OK / S_ERROR
"""
if not logs:
return S_OK()
# Undo key
name, statusType = key
selectedRes = self.rsClient.selectStatusElement(
element,
"History",
name,
statusType,
meta={
"columns": ["Status", "TokenOwner"],
"limit": 1,
"order": ["DateEffective", "desc"]
},
)
if not selectedRes["OK"]:
return selectedRes
selectedRes = selectedRes["Value"]
if not selectedRes:
for selectedItemDict in logs:
res = self.__logToHistoryTable(element, selectedItemDict)
if not res["OK"]:
return res
return S_OK()
# We want from the <element>History table the last Status, and TokenOwner
lastStatus, lastToken = None, None
if selectedRes:
try:
lastStatus = selectedRes[0][0]
lastToken = selectedRes[0][1]
except IndexError:
pass
# If the first of the selected items has a different status than the latest
# on the history, we keep it, otherwise we remove it.
if logs[0]["Status"] == lastStatus and logs[0][
"TokenOwner"] == lastToken:
logs.pop(0)
if logs:
self.log.info("%s (%s):" % (name, statusType))
self.log.debug(logs)
for selectedItemDict in logs:
res = self.__logToHistoryTable(element, selectedItemDict)
if not res["OK"]:
return res
return S_OK()
def __logToHistoryTable(self, element, elementDict):
"""Given an element and a dictionary with all the arguments, this method
inserts a new entry on the <element>History table
:param str element: name of the table family (either Site, Resource or Node)
:param dict elementDict: dictionary returned from the DB to be inserted on the History table
:return: S_OK / S_ERROR
"""
name = elementDict.get("Name")
statusType = elementDict.get("StatusType")
# vo = elementDict.get('VO') # FIXME: not sure about it
status = elementDict.get("Status")
elementType = elementDict.get("ElementType")
reason = elementDict.get("Reason")
dateEffective = elementDict.get("DateEffective")
lastCheckTime = elementDict.get("LastCheckTime")
tokenOwner = elementDict.get("TokenOwner")
tokenExpiration = elementDict.get("TokenExpiration")
self.log.info(" %s %s %s %s" %
(status, dateEffective, tokenOwner, reason))
return self.rsClient.insertStatusElement(
element=element,
tableType="History",
name=name,
statusType=statusType,
status=status,
elementType=elementType,
reason=reason,
dateEffective=dateEffective,
lastCheckTime=lastCheckTime,
tokenOwner=tokenOwner,
tokenExpiration=tokenExpiration,
)
def _removeOldHistoryEntries(self, element, months):
"""Delete entries older than period
:param str element: name of the table family (either Site, Resource or Node)
:param int months: number of months
:return: S_OK / S_ERROR
"""
toRemove = datetime.utcnow().replace(microsecond=0) - timedelta(
days=30 * months)
self.log.info("Removing history entries", "older than %s" % toRemove)
deleteResult = self.rsClient.deleteStatusElement(
element, "History", meta={"older": ["DateEffective", toRemove]})
if not deleteResult["OK"]:
self.log.error(deleteResult["Message"])
class SummarizeLogsAgent(AgentModule):
""" SummarizeLogsAgent as extension of AgentModule.
"""
def __init__(self, *args, **kwargs):
""" Constructor.
"""
AgentModule.__init__(self, *args, **kwargs)
self.rsClient = None
def initialize(self):
""" Standard initialize.
:return: S_OK
"""
self.rsClient = ResourceStatusClient()
return S_OK()
def execute(self):
""" execute ( main method )
The execute method runs over the three families of tables ( Site, Resource and
Node ) performing identical operations. First, selects all logs for a given
family ( and keeps track of which one is the last row ID ). It summarizes the
logs and finally, deletes the logs from the database.
:return: S_OK
"""
# loop over the tables
for element in ('Site', 'Resource', 'Node'):
self.log.info('Summarizing %s' % element)
# get all logs to be summarized
selectLogElements = self._summarizeLogs(element)
if not selectLogElements['OK']:
self.log.error(selectLogElements['Message'])
continue
lastID, logElements = selectLogElements['Value']
# logElements is a dictionary of key-value pairs as follows:
# ( name, statusType ) : list( logs )
for key, logs in logElements.iteritems():
sumResult = self._registerLogs(element, key, logs)
if not sumResult['OK']:
self.log.error(sumResult['Message'])
continue
if lastID is not None:
self.log.info('Deleting %sLog till ID %s' % (element, lastID))
deleteResult = self.rsClient.deleteStatusElement(
element, 'Log', meta={'older': ['ID', lastID]})
if not deleteResult['OK']:
self.log.error(deleteResult['Message'])
continue
return S_OK()
def _summarizeLogs(self, element):
""" given an element, selects all logs in table <element>Log.
:Parameters:
**element** - `string`
name of the table family ( either Site, Resource or Node )
:return: S_OK( lastID, listOfLogs ) / S_ERROR
"""
selectResults = self.rsClient.selectStatusElement(element, 'Log')
if not selectResults['OK']:
return selectResults
selectedItems = {}
latestID = None
if not selectResults['Value']:
return S_OK((latestID, selectedItems))
selectColumns = selectResults['Columns']
selectResults = selectResults['Value']
if selectResults:
latestID = dict(zip(selectColumns, selectResults[-1]))['ID']
for selectResult in selectResults:
elementDict = dict(zip(selectColumns, selectResult))
key = (elementDict['Name'], elementDict['StatusType'])
if key not in selectedItems:
selectedItems[key] = [elementDict]
else:
lastStatus = selectedItems[key][-1]['Status']
lastToken = selectedItems[key][-1]['TokenOwner']
# If there are no changes on the Status or the TokenOwner with respect
# the previous one, discards the log.
if lastStatus != elementDict[
'Status'] or lastToken != elementDict['TokenOwner']:
selectedItems[key].append(elementDict)
return S_OK((latestID, selectedItems))
def _registerLogs(self, element, key, logs):
""" Given an element, a key - which is a tuple ( <name>, <statusType> )
and a list of dictionaries, this method inserts them on the <element>History
table. Before inserting them, checks whether the first one is or is not on
the <element>History table. If it is, it is not inserted.
:Parameters:
**element** - `string`
name of the table family ( either Site, Resource and Node )
**key** - `tuple`
tuple with the name of the element and the statusType
**logs** - `list`
list of dictionaries containing the logs
:return: S_OK / S_ERROR
"""
if not logs:
return S_OK()
# Undo key
name, statusType = key
selectedRes = self.rsClient.selectStatusElement(
element,
'History',
name,
statusType,
meta={
'columns': ['Status', 'TokenOwner'],
'limit': 1,
'order': ['DateEffective', 'desc']
})
if not selectedRes['OK']:
return selectedRes
selectedRes = selectedRes['Value']
if not selectedRes:
for selectedItemDict in logs:
res = self.__logToHistoryTable(element, selectedItemDict)
if not res['OK']:
return res
return S_OK()
# We want from the <element>History table the last Status, and TokenOwner
lastStatus, lastToken = None, None
if selectedRes:
try:
lastStatus = selectedRes[0][0]
lastToken = selectedRes[0][1]
except IndexError:
pass
# If the first of the selected items has a different status than the latest
# on the history, we keep it, otherwise we remove it.
if logs[0]['Status'] == lastStatus and logs[0][
'TokenOwner'] == lastToken:
logs.pop(0)
if logs:
self.log.info('%s ( %s ):' % (name, statusType))
self.log.debug(logs)
for selectedItemDict in logs:
res = self.__logToHistoryTable(element, selectedItemDict)
if not res['OK']:
return res
return S_OK()
def __logToHistoryTable(self, element, elementDict):
""" Given an element and a dictionary with all the arguments, this method
inserts a new entry on the <element>History table
:Parameters:
**element** - `string`
name of the table family ( either Site, Resource and Node )
**elementDict** - `dict`
dictionary returned from the DB to be inserted on the History table
:return: S_OK / S_ERROR
"""
name = elementDict.get('Name')
statusType = elementDict.get('StatusType')
# vo = elementDict.get('VO') # FIXME: not sure about it
status = elementDict.get('Status')
elementType = elementDict.get('ElementType')
reason = elementDict.get('Reason')
dateEffective = elementDict.get('DateEffective')
lastCheckTime = elementDict.get('LastCheckTime')
tokenOwner = elementDict.get('TokenOwner')
tokenExpiration = elementDict.get('TokenExpiration')
self.log.info(' %s %s %s %s' %
(status, dateEffective, tokenOwner, reason))
return self.rsClient.insertStatusElement(
element=element,
tableType='History',
name=name,
statusType=statusType,
status=status,
elementType=elementType,
reason=reason,
dateEffective=dateEffective,
lastCheckTime=lastCheckTime,
tokenOwner=tokenOwner,
tokenExpiration=tokenExpiration)
class SummarizeLogsAgent(AgentModule):
""" SummarizeLogsAgent as extension of AgentModule.
"""
def __init__(self, *args, **kwargs):
""" Constructor.
"""
AgentModule.__init__(self, *args, **kwargs)
self.rsClient = None
def initialize(self):
""" Standard initialize.
:return: S_OK
"""
self.rsClient = ResourceStatusClient()
return S_OK()
def execute(self):
""" execute ( main method )
The execute method runs over the three families of tables ( Site, Resource and
Node ) performing identical operations. First, selects all logs for a given
family ( and keeps track of which one is the last row ID ). It summarizes the
logs and finally, deletes the logs from the database.
:return: S_OK
"""
# loop over the tables
for element in ('Site', 'Resource', 'Node'):
self.log.info('Summarizing %s' % element)
# get all logs to be summarized
selectLogElements = self._summarizeLogs(element)
if not selectLogElements['OK']:
self.log.error(selectLogElements['Message'])
continue
lastID, logElements = selectLogElements['Value']
# logElements is a dictionary of key-value pairs as follows:
# ( name, statusType ) : list( logs )
for key, logs in logElements.iteritems():
sumResult = self._registerLogs(element, key, logs)
if not sumResult['OK']:
self.log.error(sumResult['Message'])
continue
if lastID is not None:
self.log.info('Deleting %sLog till ID %s' % (element, lastID))
deleteResult = self.rsClient.deleteStatusElement(element, 'Log',
meta={'older': ('ID', lastID)})
if not deleteResult['OK']:
self.log.error(deleteResult['Message'])
continue
return S_OK()
def _summarizeLogs(self, element):
""" given an element, selects all logs in table <element>Log.
:Parameters:
**element** - `string`
name of the table family ( either Site, Resource or Node )
:return: S_OK( lastID, listOfLogs ) / S_ERROR
"""
selectResults = self.rsClient.selectStatusElement(element, 'Log')
if not selectResults['OK']:
return selectResults
selectedItems = {}
latestID = None
if not selectResults['Value']:
return S_OK((latestID, selectedItems))
selectColumns = selectResults['Columns']
selectResults = selectResults['Value']
if selectResults:
latestID = dict(zip(selectColumns, selectResults[-1]))['ID']
for selectResult in selectResults:
elementDict = dict(zip(selectColumns, selectResult))
key = (elementDict['Name'], elementDict['StatusType'])
if key not in selectedItems:
selectedItems[key] = [elementDict]
else:
lastStatus = selectedItems[key][-1]['Status']
lastToken = selectedItems[key][-1]['TokenOwner']
# If there are no changes on the Status or the TokenOwner with respect
# the previous one, discards the log.
if lastStatus != elementDict['Status'] or lastToken != elementDict['TokenOwner']:
selectedItems[key].append(elementDict)
return S_OK((latestID, selectedItems))
def _registerLogs(self, element, key, logs):
""" Given an element, a key - which is a tuple ( <name>, <statusType> )
and a list of dictionaries, this method inserts them on the <element>History
table. Before inserting them, checks whether the first one is or is not on
the <element>History table. If it is, it is not inserted.
:Parameters:
**element** - `string`
name of the table family ( either Site, Resource and Node )
**key** - `tuple`
tuple with the name of the element and the statusType
**logs** - `list`
list of dictionaries containing the logs
:return: S_OK / S_ERROR
"""
if not logs:
return S_OK()
# Undo key
name, statusType = key
selectedRes = self.rsClient.selectStatusElement(element, 'History', name,
statusType,
meta={'columns': ['Status', 'TokenOwner'],
'limit': 1,
'order': ('DateEffective', 'desc')})
if not selectedRes['OK']:
return selectedRes
selectedRes = selectedRes['Value']
if not selectedRes:
return S_OK()
# We want from the <element>History table the last Status, and TokenOwner
lastStatus, lastToken = None, None
if selectedRes:
try:
lastStatus = selectedRes[0][0]
lastToken = selectedRes[0][1]
except IndexError:
pass
# If the first of the selected items has a different status than the latest
# on the history, we keep it, otherwise we remove it.
if logs[0]['Status'] == lastStatus and logs[0]['TokenOwner'] == lastToken:
logs.pop(0)
if logs:
self.log.info('%s ( %s ):' % (name, statusType))
self.log.debug(logs)
for selectedItemDict in logs:
res = self.__logToHistoryTable(element, selectedItemDict)
if not res['OK']:
return res
return S_OK()
def __logToHistoryTable(self, element, elementDict):
""" Given an element and a dictionary with all the arguments, this method
inserts a new entry on the <element>History table
:Parameters:
**element** - `string`
name of the table family ( either Site, Resource and Node )
**elementDict** - `dict`
dictionary returned from the DB to be inserted on the History table
:return: S_OK / S_ERROR
"""
name = elementDict.get('Name')
statusType = elementDict.get('StatusType')
status = elementDict.get('Status')
elementType = elementDict.get('ElementType')
reason = elementDict.get('Reason')
dateEffective = elementDict.get('DateEffective')
lastCheckTime = elementDict.get('LastCheckTime')
tokenOwner = elementDict.get('TokenOwner')
tokenExpiration = elementDict.get('TokenExpiration')
self.log.info(' %s %s %s %s' % (status, dateEffective, tokenOwner, reason))
return self.rsClient.insertStatusElement(element, 'History', name, statusType,
status, elementType, reason,
dateEffective, lastCheckTime,
tokenOwner, tokenExpiration)
