Merge branch dev at epn-20251017 into stable-sync

Author: ehellbar

.github/workflows/code-transformations.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v5
       with:
         ref: ${{ github.event.pull_request.head.sha }}
         persist-credentials: false

.github/workflows/datamodel-doc.yml

@@ -10,20 +10,20 @@ jobs:
     steps:
 
       - name: Checkout O2
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           path: O2
           persist-credentials: false
 
       - name: Checkout O2Physics
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           repository: AliceO2Group/O2Physics
           path: O2Physics
           persist-credentials: false
 
       - name: Checkout documentation
-        uses: actions/checkout@v3
+        uses: actions/checkout@v5
         with:
           repository: AliceO2Group/analysis-framework
           path: analysis-framework
@@ -40,7 +40,7 @@ jobs:
           git checkout -B auto-datamodel-doc
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v6
         with:
           python-version: 3.x
 

.github/workflows/doxygen.yml

@@ -13,7 +13,7 @@ jobs:
       run: |
         sudo apt-get update -y
         sudo apt-get install -y doxygen doxygen-doc doxygen-latex doxygen-gui graphviz cmake
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v5
       with:
         ref: "dev"
         persist-credentials: false

.github/workflows/first-timer.yml

@@ -8,7 +8,7 @@ jobs:
   nag_first_timer:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/first-interaction@v1
+    - uses: actions/first-interaction@v3
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         pr-message: 'This seems to be your first PR. You will need a positive review in order for tests to start.'

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
         branch=$(echo ${{ github.event.inputs.tag }}-patches | tr . - | sed -e's/-[0-9]*-patches$/-patches/')
         EOF
       id: decide_release_branch
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v5
       with:
         ref: "dev"
     - name: Tag branch (or create one before tagging if does not exists)

.github/workflows/reports.yml

@@ -17,9 +17,9 @@ jobs:
     if: github.repository == 'AliceO2Group/AliceO2'
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python 3.10
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.10'
     - uses: actions/cache@v4

.github/workflows/stale.yml

@@ -7,7 +7,7 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/stale@v1
+    - uses: actions/stale@v10
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
         stale-pr-message: 'This PR did not have any update in the last 30 days. Is it still needed? Unless further action in will be closed in 5 days.'

.gitignore

@@ -82,6 +82,9 @@ bazel-*
 # direnv
 .envrc
 
+# git wrappers
+.sl
+
 # LSP support on macOS with vim
 .clangd
 DataFormats/Detectors/CTP/include/DataFormatsCTP/Scalers.h

CCDB/README.md

@@ -31,15 +31,15 @@ If you access the CCDB with a web browser, add `/browse` at the end of the URL t
 ```c++
 // init
 CcdbApi api;
-map<string, string> metadata; // can be empty
+std::map<std::string, std::string> metadata; // can be empty
 api.init("http://ccdb-test.cern.ch:8080"); // or http://localhost:8080 for a local installation
 // store abitrary user object in strongly typed manner
 auto deadpixels = new o2::FOO::DeadPixelMap();
 api.storeAsTFileAny(deadpixels, "FOO/DeadPixels", metadata);
 // read like this (you have to specify the type)
 auto deadpixelsback = api.retrieveFromTFileAny<o2::FOO::DeadPixelMap>("FOO/DeadPixels", metadata); 
 // read like this to get the headers as well, and thus the metadata attached to the object 
-map<string, string> headers;
+std::map<std::string, std::string> headers;
 auto deadpixelsback = api.retrieveFromTFileAny<o2::FOO::DeadPixelMap>("FOO/DeadPixels", metadata /* constraint the objects retrieved to those matching the metadata */, -1 /* timestamp */, &headers /* the headers attached to the returned object */); 
 // finally, use this method to retrieve only the headers (and thus the metadata)
 std::map<std::string, std::string> headers = f.api.retrieveHeaders("FOO/DeadPixels", f.metadata); 
@@ -50,7 +50,7 @@ std::map<std::string, std::string> headers = f.api.retrieveHeaders("FOO/DeadPixe
 ```c++
 // init
 CcdbApi api;
-map<string, string> metadata; // can be empty
+std::map<std::string, std::string> metadata; // can be empty
 api.init("http://ccdb-test.cern.ch:8080"); // or http://localhost:8080 for a local installation
 // create a local snapshot of everthing in or below the FOO folder valid for timestamp 12345
 api.snapshot("FOO", "/tmp/CCDBSnapshot/", 12345);

CCDB/include/CCDB/BasicCCDBManager.h

@@ -108,16 +108,20 @@ class CCDBManagerInstance
 
   /// retrieve an object of type T from CCDB as stored under path, timestamp and metaData
   template <typename T>
-  T* getSpecific(std::string const& path, long timestamp = -1, MD metaData = MD())
+  T* getSpecific(std::string const& path, long timestamp = -1, MD metaData = MD(), std::map<std::string, std::string>* headers = nullptr)
   {
     // TODO: add some error info/handling when failing
     mMetaData = metaData;
-    return getForTimeStamp<T>(path, timestamp);
+    auto obj = getForTimeStamp<T>(path, timestamp);
+    if (headers) {
+      *headers = mHeaders;
+    }
+    return obj;
   }
 
   /// retrieve an object of type T from CCDB as stored under path and using the timestamp in the middle of the run + metadata. The run number is provided separately to conform to typical analysis use (in which case metadata does not include runNumber)
   template <typename T>
-  T* getSpecificForRun(std::string const& path, int runNumber, MD metaData = MD());
+  T* getSpecificForRun(std::string const& path, int runNumber, MD const& metaData = MD());
 
   /// detect online processing modes (i.e. CCDB objects may be updated in the lifetime of the manager)
   bool isOnline() const { return mDeplMode == o2::framework::DeploymentMode::OnlineAUX || mDeplMode == o2::framework::DeploymentMode::OnlineDDS || mDeplMode == o2::framework::DeploymentMode::OnlineECS; }
@@ -129,6 +133,9 @@ class CCDBManagerInstance
     return getForTimeStamp<T>(path, mTimestamp);
   }
 
+  // gain access to underlaying CCDB layer (to allow for more complex queries without need to reinit another API)
+  CcdbApi& getCCDBAccessor() { return mCCDBAccessor; }
+
   bool isHostReachable() const { return mCCDBAccessor.isHostReachable(); }
 
   /// clear all entries in the cache
@@ -230,11 +237,12 @@ class CCDBManagerInstance
 template <typename T>
 T* CCDBManagerInstance::getForTimeStamp(std::string const& path, long timestamp)
 {
+  mHeaders.clear(); // we clear at the beginning; to allow to retrieve the header information in a subsequent call
   T* ptr = nullptr;
   mQueries++;
   auto start = std::chrono::system_clock::now();
   if (!isCachingEnabled()) {
-    ptr = mCCDBAccessor.retrieveFromTFileAny<T>(path, mMetaData, timestamp, nullptr, "",
+    ptr = mCCDBAccessor.retrieveFromTFileAny<T>(path, mMetaData, timestamp, &mHeaders, "",
                                                 mCreatedNotAfter ? std::to_string(mCreatedNotAfter) : "",
                                                 mCreatedNotBefore ? std::to_string(mCreatedNotBefore) : "");
     if (!ptr) {
@@ -305,7 +313,6 @@ T* CCDBManagerInstance::getForTimeStamp(std::string const& path, long timestamp)
     } else {
       cached.cacheValidUntil = -1;
     }
-    mHeaders.clear();
     mMetaData.clear();
     if (!ptr) {
       if (mFatalWhenNull) {
@@ -328,7 +335,7 @@ T* CCDBManagerInstance::getForRun(std::string const& path, int runNumber, bool s
 }
 
 template <typename T>
-T* CCDBManagerInstance::getSpecificForRun(std::string const& path, int runNumber, MD metaData)
+T* CCDBManagerInstance::getSpecificForRun(std::string const& path, int runNumber, MD const& metaData)
 {
   auto [start, stop] = getRunDuration(runNumber, mFatalWhenNull);
   if (start < 0 || stop < 0) {