requirements: Run command -v in a shell

README.md

@@ -14,15 +14,15 @@ It is currently under active development and has not yet had a formal release.
 
 ## Supported Operating Systems
 
-☑︎ CentOS 9.Stream should work out of the box
+☑︎ RHEL 8+ and derivatives (CentOS Stream, AlmaLinux, Rocky Linux)
 
-☑︎ CentOS 8.Stream mostly works - but has not yet passed a Ceph test
+☑︎ Fedora 36+
 
-☐ A recent Fedora should work but has not been tested
+☑︎ Ubuntu 24.04+ - actively tested in CI
 
-☒ Ubuntu does not currently ship a new enough podman
+☑︎ Debian 12+ "Bookworm"
 
-☒ MacOS will require special effort to support since podman operations are done inside a VM
+☑︎ macOS - supported via the podman machine VM
 
 ## Requirements
 
@@ -192,4 +192,4 @@ ceph-devstack -v start
 ```bash
 ceph-devstack wait teuthology
 podman logs -f teuthology
-```
+```

ceph_devstack/requirements.py

@@ -231,7 +231,7 @@ def fix_cmd(self):
 
 
 class FuseOverlayfsPresence(FixableRequirement):
-    check_cmd = ["command", "-v", "fuse-overlayfs"]
+    check_cmd = ["sh", "-c", "command -v fuse-overlayfs"]
     suggest_msg = "Could not find fuse-overlayfs"
     fix_cmd = ["sudo", "dnf", "install", "-y", "fuse-overlayfs"]
 

tests/test_requirements_core.py

@@ -258,7 +258,7 @@ def cls(self):
         return requirements.FuseOverlayfsPresence
 
     def test_fuse_overlayfs_presence_check_cmd(self, req):
-        assert req.check_cmd == ["command", "-v", "fuse-overlayfs"]
+        assert req.check_cmd == ["sh", "-c", "command -v fuse-overlayfs"]
 
     def test_fuse_overlayfs_presence_fix_cmd(self, req):
         assert req.fix_cmd == ["sudo", "dnf", "install", "-y", "fuse-overlayfs"]