[Plugin] accept predicates in Plugin.get_cmd_output_now()

Signed-off-by: Bryn M. Reeves <bmr@redhat.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/sos/plugins/__init__.py b/sos/plugins/__init__.py
index 3793edee..2f6ca040 100644
--- a/sos/plugins/__init__.py
+++ b/sos/plugins/__init__.py
@@ -906,11 +906,17 @@ class Plugin(object):
     def get_cmd_output_now(self, exe, suggest_filename=None,
                            root_symlink=False, timeout=300, stderr=True,
                            chroot=True, runat=None, env=None,
-                           binary=False, sizelimit=None):
+                           binary=False, sizelimit=None, pred=None):
         """Execute a command and save the output to a file for inclusion in the
         report.
         """
         start = time()
+
+        if pred is not None and not pred:
+            self._log_info("skipped cmd output '%s' due to predicate (%s)" %
+                           (exe, pred))
+            return None
+
         result = self.get_command_output(exe, timeout=timeout, stderr=stderr,
                                          chroot=chroot, runat=runat,
                                          env=env, binary=binary,