Fix error code on fallback file open error with test, 12_5_X backport

IOPool/Input/src/RootInputFileSequence.cc

@@ -252,14 +252,15 @@ namespace edm {
       }
       for (std::vector<std::string>::const_iterator it = fNames.begin(); it != fNames.end(); ++it) {
         try {
+          usedFallback_ = (it != fNames.begin());
           std::unique_ptr<char[]> name(gSystem->ExpandPathName(it->c_str()));
           filePtr = std::make_shared<InputFile>(name.get(), "  Initiating request to open file ", inputType);
-          usedFallback_ = (it != fNames.begin());
           break;
         } catch (cms::Exception const& e) {
           if (!skipBadFiles && std::next(it) == fNames.end()) {
             InputFile::reportSkippedFile((*it), logicalFileName());
-            Exception ex(errors::FileOpenError, "", e);
+            errors::ErrorCodes errorCode = usedFallback_ ? errors::FallbackFileOpenError : errors::FileOpenError;
+            Exception ex(errorCode, "", e);
             ex.addContext("Calling RootInputFileSequence::initTheFile()");
             std::ostringstream out;
             out << "Input file " << (*it) << " could not be opened.";

IOPool/Input/test/BuildFile.xml

@@ -12,4 +12,5 @@
 
  <test name="TestIOPoolInputRepeating" command="testRepeatingCachedRootSource.sh"/>
  <test name="TestIOPoolInputNoParentDictionary" command="testNoParentDictionary.sh"/>
+ <test name="TestFileOpenErrorExitCode" command="testFileOpenErrorExitCode.sh"/>
 </environment>

IOPool/Input/test/sitelocalconfig/noFallbackFile/local/storage.json

@@ -0,0 +1,10 @@
+[
+   {  "site": "DUMMY",
+      "volume": "DummyVolume",
+      "protocols": [
+         {  "protocol": "protocolThatDoesNotExist",
+            "prefix": "abc"
+         }
+      ]
+   }
+]

IOPool/Input/test/sitelocalconfig/noFallbackFile/site-local-config.xml

@@ -0,0 +1,7 @@
+<site-local-config>
+<site name="DUMMY">
+  <data-access>
+    <catalog volume="DummyVolume" protocol="protocolThatDoesNotExist"/>
+  </data-access>
+</site>
+</site-local-config>

IOPool/Input/test/sitelocalconfig/useFallbackFile/local/storage.json

@@ -0,0 +1,18 @@
+[
+   {  "site": "DUMMY",
+      "volume": "DummyVolume1",
+      "protocols": [
+         {  "protocol": "protocolThatDoesNotExist1",
+            "prefix": "abc"
+         }
+      ]
+   },
+   {  "site": "DUMMY",
+      "volume": "DummyVolume2",
+      "protocols": [
+         {  "protocol": "protocolThatDoesNotExist2",
+            "prefix": "abc"
+         }
+      ]
+   }
+]

IOPool/Input/test/sitelocalconfig/useFallbackFile/site-local-config.xml

@@ -0,0 +1,8 @@
+<site-local-config>
+<site name="DUMMY">
+  <data-access>
+    <catalog volume="DummyVolume1" protocol="protocolThatDoesNotExist1"/>
+    <catalog volume="DummyVolume2" protocol="protocolThatDoesNotExist2"/>
+  </data-access>
+</site>
+</site-local-config>

IOPool/Input/test/testFileOpenErrorExitCode.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Pass in name and status
+function die { echo $1: status $2 ;  exit $2; }
+
+mkdir -p SITECONF
+mkdir -p SITECONF/local
+mkdir -p SITECONF/local/JobConfig
+
+export SITECONFIG_PATH=${PWD}/SITECONF/local
+LOCAL_TEST_DIR=${SCRAM_TEST_PATH}
+
+cp ${LOCAL_TEST_DIR}/sitelocalconfig/noFallbackFile/site-local-config.xml  ${SITECONFIG_PATH}/JobConfig/
+cp ${LOCAL_TEST_DIR}/sitelocalconfig/noFallbackFile/local/storage.json ${SITECONFIG_PATH}/
+F1=${LOCAL_TEST_DIR}/test_fileOpenErrorExitCode_cfg.py
+cmsRun -j NoFallbackFile_jobreport.xml $F1 -- --input FileThatDoesNotExist.root && die "$F1 should have failed but didn't, exit code was 0" 1
+
+CMSRUN_EXIT_CODE=$(edmFjrDump --exitCode NoFallbackFile_jobreport.xml)
+echo "Exit code after first run of test_fileOpenErrorExitCode_cfg.py is ${CMSRUN_EXIT_CODE}"
+if [ "x${CMSRUN_EXIT_CODE}" != "x8020" ]; then
+  echo "Unexpected cmsRun exit code after FileOpenError, exit code from jobReport ${CMSRUN_EXIT_CODE} which is different from the expected 8020"
+  exit 1
+fi
+
+cp ${LOCAL_TEST_DIR}/sitelocalconfig/useFallbackFile/site-local-config.xml  ${SITECONFIG_PATH}/JobConfig/
+cp ${LOCAL_TEST_DIR}/sitelocalconfig/useFallbackFile/local/storage.json ${SITECONFIG_PATH}/
+cmsRun -j UseFallbackFile_jobreport.xml $F1 -- --input FileThatDoesNotExist.root && die "$F1 should have failed after file fallback but didn\'t, exit code was 0" 1
+
+CMSRUN_EXIT_CODE=$(edmFjrDump --exitCode UseFallbackFile_jobreport.xml)
+echo "Exit code after second run of test_fileOpenErrorExitCode_cfg.py is ${CMSRUN_EXIT_CODE}"
+if [ "x${CMSRUN_EXIT_CODE}" != "x8028" ]; then
+  echo "Unexpected cmsRun exit code after FallbackFileOpenError, exit code from jobReport ${CMSRUN_EXIT_CODE} which is different from the expected 8028"
+  exit 1
+fi

IOPool/Input/test/test_fileOpenErrorExitCode_cfg.py

@@ -0,0 +1,17 @@
+import FWCore.ParameterSet.Config as cms
+import argparse
+import sys
+
+parser = argparse.ArgumentParser(prog=sys.argv[0], description="Test FileOpenErrorExitCode")
+parser.add_argument("--input", type=str, default=[], nargs="*", help="Optional list of input files")
+
+argv = sys.argv[:]
+if '--' in argv:
+    argv.remove("--")
+args, unknown = parser.parse_known_args(argv)
+
+process = cms.Process("TEST")
+
+process.source = cms.Source("PoolSource",
+                            fileNames = cms.untracked.vstring("/store/"+x for x in args.input)
+)