sweep: DIRACGrid#7603 Perform bulk lookup of job parameters from elas…

…ticsearch

src/DIRAC/Core/LCG/GOCDBClient.py

@@ -80,14 +80,14 @@ def getStatus(self, granularity, name=None, startDate=None, startingInHours=None
           .. code-block:: python
 
             {'OK': True,
-             'Value': {'92569G0 lhcbsrm-kit.gridka.de': {
+             'Value': {'92569G0 lhcbdcache-kit-tape.gridka.de': {
                            'DESCRIPTION': 'Annual site downtime for various major tasks i...',
                            'FORMATED_END_DATE': '2014-05-27 15:21',
                            'FORMATED_START_DATE': '2014-05-26 04:00',
                            'GOCDB_PORTAL_URL': 'https://goc.egi.eu/portal/index.php?Page_Type=Downtime&id=14051',
                            'HOSTED_BY': 'FZK-LCG2',
-                           'HOSTNAME': 'lhcbsrm-kit.gridka.de',
-                           'SERVICE_TYPE': 'SRM.nearline',
+                           'HOSTNAME': 'lhcbdcache-kit-tape.gridka.de',
+                           'SERVICE_TYPE': 'wlcg.webdav.tape',
                            'SEVERITY': 'OUTAGE'},
                        '99873G0 srm.pic.esSRM': {
                             'HOSTED_BY': 'pic',
@@ -97,7 +97,7 @@ def getStatus(self, granularity, name=None, startDate=None, startingInHours=None
                             'URL': 'srm.pic.es',
                             'GOCDB_PORTAL_URL': 'https://goc.egi.eu/portal/index.php?Page_Type=Downtime&id=21303',
                             'FORMATED_START_DATE': '2016-09-14 06:00',
-                            'SERVICE_TYPE': 'SRM',
+                            'SERVICE_TYPE': 'webdav',
                             'FORMATED_END_DATE': '2016-09-14 15:00',
                             'DESCRIPTION': 'Outage declared due to network and dCache upgrades'}
                        }

src/DIRAC/Core/Utilities/ElasticSearchDB.py

@@ -272,6 +272,23 @@ def getDoc(self, index: str, docID: str) -> dict:
         except RequestError as re:
             return S_ERROR(re)
 
+    @ifConnected
+    def getDocs(self, indexFunc, docIDs: list[str]) -> list[dict]:
+        """Efficiently retrieve many documents from an index.
+
+        :param index: name of the index
+        :param docIDs: document IDs
+        """
+        sLog.debug(f"Retrieving documents {docIDs}")
+        docs = [{"_index": indexFunc(docID), "_id": docID} for docID in docIDs]
+        try:
+            response = self.client.mget({"docs": docs})
+        except RequestError as re:
+            return S_ERROR(re)
+        else:
+            results = {int(x["_id"]): x["_source"] if x.get("found") else {} for x in response["docs"]}
+            return S_OK(results)
+
     @ifConnected
     def updateDoc(self, index: str, docID: str, body) -> dict:
         """Update an existing document with a script or partial document

src/DIRAC/WorkloadManagementSystem/DB/ElasticJobParametersDB.py

@@ -6,6 +6,8 @@
       - setJobParameter()
       - deleteJobParameters()
 """
+from typing import Union
+
 from DIRAC import S_ERROR, S_OK
 from DIRAC.Core.Base.ElasticDB import ElasticDB
 from DIRAC.Core.Utilities import TimeUtilities
@@ -46,7 +48,7 @@ def _indexName(self, jobID: int) -> str:
 
         :param jobID: Job ID
         """
-        indexSplit = int(jobID // 1e6)
+        indexSplit = int(jobID) // 1e6
         return f"{self.index_name}_{indexSplit}m"
 
     def _createIndex(self, indexName: str) -> None:
@@ -63,7 +65,7 @@ def _createIndex(self, indexName: str) -> None:
                 raise RuntimeError(result["Message"])
             self.log.always("Index created:", indexName)
 
-    def getJobParameters(self, jobID: int, paramList=None) -> dict:
+    def getJobParameters(self, jobIDs: Union[int, list[int]], paramList=None) -> dict:
         """Get Job Parameters defined for jobID.
           Returns a dictionary with the Job Parameters.
           If paramList is empty - all the parameters are returned.
@@ -73,20 +75,23 @@ def getJobParameters(self, jobID: int, paramList=None) -> dict:
         :param paramList: list of parameters to be returned (also a string is treated)
         :return: dict with all Job Parameter values
         """
+        if isinstance(jobIDs, int):
+            jobIDs = [jobIDs]
         if isinstance(paramList, str):
             paramList = paramList.replace(" ", "").split(",")
-        self.log.debug(f"JobDB.getParameters: Getting Parameters for job {jobID}")
+        self.log.debug(f"JobDB.getParameters: Getting Parameters for jobs {jobIDs}")
 
-        res = self.getDoc(self._indexName(jobID), str(jobID))
+        res = self.getDocs(self._indexName, jobIDs)
         if not res["OK"]:
             return res
-        resultDict = res["Value"]
-        if paramList:
-            for k in list(resultDict):
-                if k not in paramList:
-                    resultDict.pop(k)
-
-        return S_OK({jobID: resultDict})
+        result = {}
+        for job_id, doc in res["Value"].items():
+            if paramList:
+                result[job_id] = {k: v for k, v in doc.items() if k in paramList}
+            else:
+                result[job_id] = doc
+
+        return S_OK(result)
 
     def setJobParameter(self, jobID: int, key: str, value: str) -> dict:
         """

src/DIRAC/WorkloadManagementSystem/Service/JobMonitoringHandler.py

@@ -465,12 +465,10 @@ def export_getJobParameters(cls, jobIDs, parName=None):
         if not isinstance(jobIDs, list):
             jobIDs = [jobIDs]
         jobIDs = [int(jobID) for jobID in jobIDs]
-        parameters = {}
-        for jobID in jobIDs:
-            res = cls.elasticJobParametersDB.getJobParameters(jobID, parName)
-            if not res["OK"]:
-                return res
-            parameters.update(res["Value"])
+        res = cls.elasticJobParametersDB.getJobParameters(jobIDs, parName)
+        if not res["OK"]:
+            return res
+        parameters = res["Value"]
 
         # Need anyway to get also from JobDB, for those jobs with parameters registered in MySQL or in both backends
         res = cls.jobDB.getJobParameters(jobIDs, parName)