added busybox hardlink support, added inode property

Author: Stefan Friese

testinfra/modules/file.py

@@ -236,6 +236,10 @@ def mtime(self):
     def size(self):
         return int(self.check_output("stat -c %%s %s", self.path))
 
+    @property
+    def inode(self):
+        return int(self.check_output("stat -c %%i %s", self.path))
+
     @property
     def md5sum(self):
         return self.check_output("md5sum %s | cut -d' ' -f1", self.path)

testinfra/modules/process.py

@@ -109,6 +109,8 @@ def _get_process_attribute_by_pid(self, pid, name):
     def get_module_class(cls, host):
         if host.file("/bin/ps").linked_to == "/bin/busybox":
             return BusyboxProcess
+        if host.file("/bin/ps").inode == host.file("/bin/busybox").inode:
+            return BusyboxProcess
         if host.system_info.type == "linux" or host.system_info.type.endswith("bsd"):
             return PosixProcess
         raise NotImplementedError