Check that specified CPC exists

Signed-off-by: Andreas Maier <[email protected]>

zhmccli/_cmd_lpar.py

@@ -37,6 +37,13 @@ def find_lpar(cmd_ctx, client, cpc_name, lpar_name):
     """
     Find an LPAR by name and return its resource object.
     """
+    if isinstance(cpc_or_name, zhmcclient.Cpc):
+        cpc_name = cpc_or_name.name
+        cpc = cpc_or_name
+    else:
+        cpc_name = cpc_or_name
+        cpc = find_cpc(cmd_ctx, client, cpc_name)
+
     if client.version_info() >= API_VERSION_HMC_2_14_0:
         # This approach is faster than going through the CPC.
         # In addition, starting with HMC API version 3.6 (an update to
@@ -51,9 +58,8 @@ def find_lpar(cmd_ctx, client, cpc_name, lpar_name):
                 format(p=lpar_name, c=cpc_name),
                 cmd_ctx.error_format)
         lpar = lpars[0]
-    else:
-        cpc = find_cpc(cmd_ctx, client, cpc_name)
 
+    else:
         # The CPC must not be in DPM mode. We don't check that because it would
         # cause a GET to the CPC resource that we otherwise don't need.
         try: