rust: utils: Introduce S390ToolsMetaData

Introduce S390ToolsMetaData struct, it can be used to generate the
s390-tools specific JSON metadata.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <marc@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

rust/utils/src/lib.rs

@@ -8,6 +8,7 @@ mod exit_code;
 mod file;
 mod hexslice;
 mod hostname;
+mod json;
 mod log;
 mod tmpfile;
 
@@ -22,6 +23,7 @@ pub use crate::{
     file::{AtomicFile, AtomicFileOperation},
     hexslice::HexSlice,
     hostname::gethostname,
+    json::S390ToolsMetaData,
     log::PvLogger,
     tmpfile::TemporaryDirectory,
 };