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Add a CCDB TimeMachine timestamp harvester for anchored MC - #2442

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Add a CCDB TimeMachine timestamp harvester for anchored MC#2442
sawenzel wants to merge 1 commit into
AliceO2Group:masterfrom
sawenzel:swenzel/ccdb-timemachine-harvester

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This commit provides a new tool GRID/utils/getCCDBTimeMachineTimestamp.py that estimates a CCDB_TIMEMACHINE_TIMESTAMP for a given run and reco pass, for use as ALIEN_JDL_CCDB_CONDITION_NOT_AFTER in anchorMC.sh.

  • Derives it from AliEn catalog timestamps of the pass's own per-timeframe reco output for that run
  • Cross-checks the result against CCDB's own object history for a configurable calibration path.

Usage: GRID/utils/getCCDBTimeMachineTimestamp.py --year 2023 --period LHC23s --run 536683 --pass apass4

Related to https://its.cern.ch/jira/browse/O2-6543

This commit provides a new tool GRID/utils/getCCDBTimeMachineTimestamp.py
that estimates a CCDB_TIMEMACHINE_TIMESTAMP for a given run and reco pass,
for use as ALIEN_JDL_CCDB_CONDITION_NOT_AFTER in anchorMC.sh.

- Derives it from AliEn catalog timestamps of the pass's own per-timeframe
  reco output for that run, not a guess.
- Cross-checks the result against CCDB's own object history for a
  configurable calibration path.

Usage: GRID/utils/getCCDBTimeMachineTimestamp.py --year 2023 --period LHC23s --run 536683 --pass apass4

Related to https://its.cern.ch/jira/browse/O2-6543
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REQUEST FOR PRODUCTION RELEASES:
To request your PR to be included in production software, please add the corresponding labels called "async-" to your PR. Add the labels directly (if you have the permissions) or add a comment of the form (note that labels are separated by a ",")

+async-label <label1>, <label2>, !<label3> ...

This will add <label1> and <label2> and removes <label3>.

The following labels are available
async-2023-pbpb-apass4
async-2023-pp-apass4
async-2024-pp-apass1
async-2022-pp-apass7
async-2024-pp-cpass0
async-2024-PbPb-apass1
async-2024-ppRef-apass1
async-2024-PbPb-apass2
async-2023-PbPb-apass5

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