DAOS-16810 test: update fio tests with unique dfuse dir

Update fio tests to use unique dfuse mount directory by letting the framework generate one.

Skip-unit-tests: true
Skip-fault-injection-test: true
Test-tag: fio

Signed-off-by: Dalton Bohning <[email protected]>

Author: daltonbohning

src/tests/ftest/dfuse/fio_pil4dfs_small.yaml

@@ -49,7 +49,6 @@ fio:
     - global
     - test
   global:
-    directory: "/tmp/daos_dfuse"
     ioengine: 'sync'
     thread: 1
     group_reporting: 1
@@ -75,6 +74,5 @@ fio:
     numjobs: 1
 
 dfuse:
-  mount_dir: "/tmp/daos_dfuse"
   thread_count: 8
   cores: '0-3'

src/tests/ftest/dfuse/fio_small.yaml

@@ -49,7 +49,6 @@ fio:
     - global
     - test
   global:
-    directory: "/tmp/daos_dfuse"
     ioengine: 'libaio'
     thread: 1
     group_reporting: 1
@@ -75,7 +74,6 @@ fio:
     numjobs: 1
 
 dfuse:
-  mount_dir: "/tmp/daos_dfuse"
   thread_count: 8
   eq_count: 2
   cores: '0-3'

src/tests/ftest/erasurecode/rebuild_fio.py

@@ -1,6 +1,6 @@
 '''
   (C) Copyright 2019-2024 Intel Corporation.
-  (C) Copyright 2025 Hewlett Packard Enterprise Development LP
+  (C) Copyright 2025-2026 Hewlett Packard Enterprise Development LP
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 '''
@@ -42,6 +42,7 @@ def execution(self, rebuild_mode):
         container.set_attr(attrs={'dfuse-direct-io-disable': 'on'})
         dfuse = get_dfuse(self, self.hostlist_clients)
         start_dfuse(self, dfuse, pool, container)
+        self.fio_cmd.update_directory(dfuse.mount_dir.value)
 
         # Write the Fio data and kill the last server rank if rebuild_mode is on-line
         if 'on-line' in rebuild_mode:

src/tests/ftest/erasurecode/rebuild_fio.yaml

@@ -53,7 +53,6 @@ fio:
   api: POSIX
   test:
     numjobs: 10
-    directory: "/tmp/daos_dfuse"
     verify: 'crc32'
     verify_pattern: '0xabcdabcd'
     do_verify: 1
@@ -68,5 +67,4 @@ fio:
         rw_read: 'randrw'
 
 dfuse:
-  mount_dir: "/tmp/daos_dfuse"
   disable_caching: True

src/tests/ftest/erasurecode/truncate.py

@@ -1,6 +1,6 @@
 '''
   (C) Copyright 2019-2024 Intel Corporation.
-  (C) Copyright 2025 Hewlett Packard Enterprise Development LP
+  (C) Copyright 2025-2026 Hewlett Packard Enterprise Development LP
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 '''

src/tests/ftest/erasurecode/truncate.yaml

@@ -47,7 +47,6 @@ fio:
   names:
     - test
   test:
-    directory: "/tmp/daos_dfuse"
     verify: 'crc32'
     verify_pattern: '0xabcdabcd'
     do_verify: 1
@@ -58,7 +57,6 @@ fio:
   truncate_size: '26214400'  # 25Mb
 
 dfuse:
-  mount_dir: "/tmp/daos_dfuse"
   caching: !mux
     disable:
       disable_caching: true

src/tests/ftest/fault_injection/ec.yaml

@@ -54,7 +54,6 @@ fio:
     - global
     - test
   global:
-    directory: "/tmp/daos_dfuse"
     thread: 1
     group_reporting: 1
     direct: 1
@@ -66,9 +65,6 @@ fio:
   test:
     numjobs: 1
 
-dfuse:
-  mount_dir: "/tmp/daos_dfuse"
-
 faults:
   fault_list:
     - DAOS_CSUM_CORRUPT_FETCH

src/tests/ftest/util/fio_utils.py

@@ -1,5 +1,6 @@
 """
   (C) Copyright 2019-2024 Intel Corporation.
+  (C) Copyright 2026 Hewlett Packard Enterprise Development LP
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 """
@@ -138,10 +139,17 @@ def update(self, job_name, param_name, value, description=None):
     def update_directory(self, directory):
         """Helper method for setting Fio directory command line option.
 
+        If "global" job is defined, update global. Otherwise, update all jobs in the list of jobs.
+
         Args:
             directory (str): fio directory argument value
         """
-        self.update("global", "directory", directory, "fio --name=global --directory")
+        if "global" in self._jobs:
+            job_names = ["global"]
+        else:
+            job_names = self._jobs.keys()
+        for job_name in job_names:
+            self.update(job_name, "directory", directory, f"fio --name={job_name} --directory")
 
     @property
     def command_with_params(self):