[RFT] fstests: add support to dynamically skip tests

[Luis Chamberlain <mcgrof@kernel.org>]

Sometimes you just want to skip a few tests from the command line,
example use case:

make fstests-baseline SKIP_TESTS="generic/002,generic/003"

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---

Please test. Works for me.

 playbooks/roles/fstests/defaults/main.yml | 5 +++++
 playbooks/roles/fstests/tasks/main.yml    | 9 +++++++++
 workflows/fstests/Makefile                | 5 +++++
 3 files changed, 19 insertions(+)

diff --git a/playbooks/roles/fstests/defaults/main.yml b/playbooks/roles/fstests/defaults/main.yml
index b0d9e0da1732..1d14568a03d0 100644
--- a/playbooks/roles/fstests/defaults/main.yml
+++ b/playbooks/roles/fstests/defaults/main.yml
@@ -15,6 +15,11 @@ dynamic_limit_tests:
 
 fstests_start_after: False
 fstests_start_after_test: ""
+
+fstests_skip_tests_enable: False
+fstests_skip_tests: ""
+fstests_skip_tests_args: ""
+
 fstests_initial_baseline: False
 fstests_initial_baseline_args: ""
 
diff --git a/playbooks/roles/fstests/tasks/main.yml b/playbooks/roles/fstests/tasks/main.yml
index b76536ecf4f6..386dc11014c8 100644
--- a/playbooks/roles/fstests/tasks/main.yml
+++ b/playbooks/roles/fstests/tasks/main.yml
@@ -895,6 +895,13 @@
     - fstests_start_after|bool
   tags: [ 'oscheck', 'fstests', 'run_tests', 'checktime' ]
 
+- name: Expand tests to skip tests dynamically passed on the command line
+  set_fact:
+    fstests_skip_tests_args: "-e {{ fstests_skip_tests }}"
+  when:
+    - fstests_skip_tests_enable|bool
+  tags: [ 'oscheck', 'fstests', 'run_tests', 'checktime' ]
+
 - name: Verify use of START_AFTER
   tags: [ 'oscheck', 'fstests', 'run_tests', 'kdevops_fstests_setup', 'install' , 'generate-fstests-config' ]
   ansible.builtin.fail:
@@ -1077,6 +1084,7 @@
   vars:
     fstests_section: "{{ ansible_host | regex_replace(kdevops_host_prefix + '-') | regex_replace('-dev') | regex_replace('-', '_') }}"
     initial_baseline_expunges: "{{ fstests_initial_baseline_args | trim }}"
+    skip_tests_args: "{{ fstests_skip_tests_args | trim }}"
   tags: [ 'oscheck', 'fstests', 'run_tests' ]
   become: yes
   become_flags: 'su - -c'
@@ -1091,6 +1099,7 @@
       {{ oscheck_extra_args }}
       {{ all_limit_tests }}
       {{ initial_baseline_expunges }}
+      {{ skip_tests_args }}
   ignore_errors: yes
   no_log: True
   args:
diff --git a/workflows/fstests/Makefile b/workflows/fstests/Makefile
index 734c8837d302..cb09ef26f1aa 100644
--- a/workflows/fstests/Makefile
+++ b/workflows/fstests/Makefile
@@ -144,6 +144,11 @@ DYNAMIC_RUNTIME_VARS += , "fstests_start_after": True
 DYNAMIC_RUNTIME_VARS += , "fstests_start_after_test": "$(START_AFTER)"
 endif
 
+ifneq (,$(SKIP_TESTS))
+DYNAMIC_RUNTIME_VARS += , "fstests_skip_tests_enable": True
+DYNAMIC_RUNTIME_VARS += , "fstests_skip_tests": "$(SKIP_TESTS)"
+endif
+
 ifeq (y,$(CONFIG_DEVCONFIG_ENABLE_SYSTEMD_JOURNAL_REMOTE))
 FSTESTS_BASELINE_EXTRA += journal-ln
 endif
-- 
2.43.0