Create alert for pileup containers eligible for rule deletion

fix Valentins comments

src/python/WMCore/MicroService/MSCore.py

@@ -11,6 +11,7 @@
 from WMCore.Services.ReqMgr.ReqMgr import ReqMgr
 from WMCore.Services.ReqMgrAux.ReqMgrAux import ReqMgrAux
 from WMCore.Services.Rucio.Rucio import Rucio
+from WMCore.Services.AlertManager.AlertManagerAPI import AlertManagerAPI
 
 
 class MSCore(object):
@@ -21,7 +22,7 @@ class MSCore(object):
 
     def __init__(self, msConfig, **kwargs):
         """
-        Provides setup for MSTransferor and MSMonitor classes
+        Provides a basic setup for all the microservices
 
         :param config: MS service configuration
         :param kwargs: can be used to skip the initialization of specific services, such as:
@@ -47,6 +48,8 @@ def __init__(self, msConfig, **kwargs):
                                hostUrl=self.msConfig['rucioUrl'],
                                authUrl=self.msConfig['rucioAuthUrl'],
                                configDict={"logger": self.logger, "user_agent": "wmcore-microservices"})
+        self.alertManagerUrl = self.msConfig.get("alertManagerUrl", None)
+        self.alertManagerApi = AlertManagerAPI(self.alertManagerUrl, logger=self.logger)
 
     def unifiedConfig(self):
         """
@@ -88,3 +91,20 @@ def updateReportDict(self, reportDict, keyName, value):
         else:
             reportDict[keyName] = value
         return reportDict
+
+    def sendAlert(self, alertName, severity, summary, description, service, endSecs=1 * 60 * 60):
+        """
+        Sends an alert to Prometheus.
+        :param alertName: string with unique alert name
+        :param severity: string with the alert severity
+        :param summary: string with a short summary of the alert
+        :param description: string with a longer description of the alert
+        :param service: string with the service name generating this alert
+        :param endSecs: integer with an expiration time
+        :return: none
+        """
+        try:
+            self.alertManagerApi.sendAlert(alertName, severity, summary, description,
+                                           service, endSecs=endSecs)
+        except Exception as ex:
+            self.logger.exception("Failed to send alert to %s. Error: %s", self.alertManagerUrl, str(ex))

src/python/WMCore/MicroService/MSOutput/MSOutput.py

@@ -27,7 +27,6 @@
 from WMCore.MicroService.MSOutput.MSOutputTemplate import MSOutputTemplate
 from WMCore.MicroService.MSOutput.RelValPolicy import RelValPolicy
 from WMCore.WMException import WMException
-from WMCore.Services.AlertManager.AlertManagerAPI import AlertManagerAPI
 
 
 class MSOutputException(WMException):
@@ -105,7 +104,6 @@ def __init__(self, msConfig, mode, logger=None):
         self.uConfig = {}
         # service name used to route alerts via AlertManager
         self.alertServiceName = "ms-output"
-        self.alertManagerAPI = AlertManagerAPI(self.msConfig.get("alertManagerUrl", None), logger=logger)
 
         # RelVal output data placement policy from the service configuration
         self.msConfig.setdefault("dbsUrl", "https://cmsweb-prod.cern.ch/dbs/prod/global/DBSReader")

src/python/WMCore/MicroService/MSRuleCleaner/MSRuleCleaner.py

@@ -96,6 +96,8 @@ def __init__(self, msConfig, logger=None):
                            self.msConfig["logDBReporter"],
                            logger=self.logger)
         self.wmstatsSvc = WMStatsServer(self.msConfig['wmstatsUrl'], logger=self.logger)
+        # service name used to route alerts via AlertManager
+        self.alertServiceName = "ms-rulecleaner"
 
         # Building all the Pipelines:
         pName = 'plineMSTrCont'
@@ -675,10 +677,16 @@ def getRucioRules(self, wflow, gran, rucioAcct):
                     self.logger.info(msg, dataCont, wflow['RequestName'])
                     continue
                 if gran == 'container':
-                    for rule in self.rucio.listDataRules(dataCont, account=rucioAcct):
-                        wflow['RulesToClean'][currPline].append(rule['id'])
-                        msg = "Found %s container-level rule to be deleted for container %s"
-                        self.logger.info(msg, rule['id'], dataCont)
+                    ruleIds = [rule['id'] for rule in self.rucio.listDataRules(dataCont, account=rucioAcct)]
+                    if ruleIds and dataType in ("MCPileup", "DataPileup"):
+                        msg = "Pileup container %s has the following container-level rules to be removed: %s."
+                        msg += " However, this component is no longer removing pileup rules."
+                        self.logger.info(msg, dataCont, ruleIds)
+                        self.alertDeletablePU(wflow['RequestName'], dataCont, ruleIds)
+                    elif ruleIds:
+                        wflow['RulesToClean'][currPline].extend(ruleIds)
+                        msg = "Container %s has the following container-level rules to be removed: %s"
+                        self.logger.info(msg, dataCont, ruleIds)
                 elif gran == 'block':
                     try:
                         blocks = self.rucio.getBlocksInContainer(dataCont)
@@ -735,3 +743,22 @@ def getRequestRecords(self, reqStatus):
             requests = result[0]
         self.logger.info('  retrieved %s requests in status: %s', len(requests), reqStatus)
         return requests
+
+    def alertDeletablePU(self, workflowName, containerName, ruleList):
+        """
+        Send alert notifying that there is a pileup dataset eligible for rule removal
+        :param workflowName: string with the workflow name
+        :param containerName: string with the container name
+        :param ruleList: list of strings with the rule ids
+        :return: none
+        """
+        alertName = "{}: PU eligible for deletion: {}".format(self.alertServiceName, containerName)
+        alertSeverity = "high"
+        alertSummary = "[MSRuleCleaner] Found pileup container no longer locked and available for rule deletion."
+        alertDescription = "Workflow: {} has the following pileup container ".format(workflowName)
+        alertDescription += "\n{}\n no longer in the global locks. ".format(containerName)
+        alertDescription += "These rules\n{}\nare eligible for deletion.".format(ruleList)
+        # alert to expiry in 2 days
+        self.sendAlert(alertName, alertSeverity, alertSummary, alertDescription,
+                       service=self.alertServiceName, endSecs=2*24*60*60)
+        self.logger.critical(alertDescription)

src/python/WMCore/MicroService/MSTransferor/MSTransferor.py

@@ -29,7 +29,7 @@
 from WMCore.MicroService.MSTransferor.RequestInfo import RequestInfo
 from WMCore.MicroService.MSTransferor.DataStructs.RSEQuotas import RSEQuotas
 from WMCore.Services.CRIC.CRIC import CRIC
-from WMCore.Services.AlertManager.AlertManagerAPI import AlertManagerAPI
+
 
 def newTransferRec(dataIn):
     """
@@ -105,8 +105,6 @@ def __init__(self, msConfig, logger=None):
         self.blockCounter = 0
         # service name used to route alerts via AlertManager
         self.alertServiceName = "ms-transferor"
-        self.alertManagerUrl = self.msConfig.get("alertManagerUrl", None)
-        self.alertManagerApi = AlertManagerAPI(self.alertManagerUrl, logger=logger)
 
     @retry(tries=3, delay=2, jitter=2)
     def updateCaches(self):
@@ -558,17 +556,6 @@ def makeTransferRucio(self, wflow, dataIn, dids, dataSize, grouping, copies, nod
             self.logger.info(msg, wflow.getName(), dids, rseExpr, ruleAttrs)
         return success, transferId
 
-    def sendAlert(self, alertName, severity, summary, description, service, endSecs=1 * 60 * 60):
-        """
-        Send alert to Prometheus, wrap function in a try-except clause
-        """
-        try:
-            # alert to expiry in an hour from now
-            self.alertManagerApi.sendAlert(alertName, severity, summary, description,
-                                           service, endSecs=endSecs)
-        except Exception as ex:
-            self.logger.exception("Failed to send alert to %s. Error: %s", self.alertManagerUrl, str(ex))
-
     def alertPUMisconfig(self, workflowName):
         """
         Send alert to Prometheus with PU misconfiguration error

src/python/WMCore/MicroService/MSUnmerged/MSUnmerged.py

@@ -36,7 +36,6 @@
 from WMCore.MicroService.MSUnmerged.MSUnmergedRSE import MSUnmergedRSE
 from WMCore.Services.RucioConMon.RucioConMon import RucioConMon
 from WMCore.Services.WMStatsServer.WMStatsServer import WMStatsServer
-# from WMCore.Services.AlertManager.AlertManagerAPI import AlertManagerAPI
 from WMCore.Database.MongoDB import MongoDB
 from WMCore.WMException import WMException
 from Utils.Pipeline import Pipeline, Functor
@@ -134,10 +133,6 @@ def __init__(self, msConfig, logger=None):
             msg += "set to emulate it. Crashing the service!"
             raise ImportError(msg)
 
-        # TODO: Add 'alertManagerUrl' to msConfig'
-        # self.alertServiceName = "ms-unmerged"
-        # self.alertManagerAPI = AlertManagerAPI(self.msConfig.get("alertManagerUrl", None), logger=logger)
-
         # Instantiating the Rucio Consistency Monitor Client
         self.rucioConMon = RucioConMon(self.msConfig['rucioConMon'], logger=self.logger)