TestPvcSnapshotPerformance fails in ODF 4.18 - Cannot find start time

[manuelgotin]

This issue exists since ODF 4.17 - please see the following unresolved issue: #10671

Error:

�[1m�[31mtests/cross_functional/performance/csi_tests/test_pvc_snapshot_performance.py�[0m:345: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
�[1m�[31mocs_ci/utility/retry.py�[0m:91: in f_retry
    return f(*args, **kwargs)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

interface = 'CephBlockPool'
pvc_name = 'restore-pvc0-322aa85401934771a10879276c3e69e'
start_time = '2025-02-09T10:49:47Z'

    @retry(Exception, tries=6, delay=5, backoff=2)
    def measure_pvc_creation_time(interface, pvc_name, start_time):
        """
    
        Measure PVC creation time, provided pvc name and time after which the PVC was created
    
        Args:
            interface (str) : an interface (RBD or CephFS) to run on
            pvc_name (str) : Name of the pvc for which we measure the time
            start_time (str): Formatted time from which and on to search the relevant logs
    
        Returns:
            (float) creation time for PVC in seconds
    
        """
        log_names = get_logfile_names(interface)
        logs = read_csi_logs(log_names, "csi-provisioner", start_time)
    
        st = None
        et = None
        # look for start time and end time of pvc creation. The start/end line may appear in log several times
        # in order to be on the safe side and measure the longest time difference (which is the actual pvc creation
        # time), the earliest start time and the latest end time are taken
        for sublog in logs:
            for line in sublog:
                if (
                    st is None
                    and "provision" in line
                    and pvc_name in line
                    and "started" in line
                ):
                    st = string_to_time(line.split(" ")[1])
                elif "provision" in line and pvc_name in line and "succeeded" in line:
                    et = string_to_time(line.split(" ")[1])
        del logs
        if st is None:
            logger.error(f"Cannot find start time of {pvc_name}")
>           raise Exception(f"Cannot find start time of {pvc_name}")
�[1m�[31mE           Exception: Cannot find start time of restore-pvc0-322aa85401934771a10879276c3e69e�[0m

�[1m�[31mocs_ci/helpers/performance_lib.py�[0m:269: Exception

�[1m------------------------------ live log teardown -------------------------------�[0m