oc_process: Better error output on failed template() call

Signed-off-by: Jose A. Rivera <jarrpa@redhat.com>

roles/lib_openshift/library/oc_process.py

@@ -1450,7 +1450,7 @@ class OCProcess(OpenShiftCLI):
         if self._template is None:
             results = self._process(self.name, False, self.params, self.data)
             if results['returncode'] != 0:
-                raise OpenShiftCLIError('Error processing template [%s].' % self.name)
+                raise OpenShiftCLIError('Error processing template [%s]: %s' %(self.name, results))
             self._template = results['results']['items']
 
         return self._template

roles/lib_openshift/src/class/oc_process.py

@@ -30,7 +30,7 @@ class OCProcess(OpenShiftCLI):
         if self._template is None:
             results = self._process(self.name, False, self.params, self.data)
             if results['returncode'] != 0:
-                raise OpenShiftCLIError('Error processing template [%s].' % self.name)
+                raise OpenShiftCLIError('Error processing template [%s]: %s' %(self.name, results))
             self._template = results['results']['items']
 
         return self._template