HDF: Add "Node Index" to the node group

src/plugins/acct_gather_profile/hdf5/acct_gather_profile_hdf5.c

@@ -367,6 +367,7 @@ extern int acct_gather_profile_p_node_step_start(stepd_step_rec_t* job)
 		info("PROFILE: Failed to create Node group");
 		return SLURM_FAILURE;
 	}
+	put_int_attribute(gid_node, ATTR_NODEINX, g_job->nodeid);
 	put_string_attribute(gid_node, ATTR_NODENAME, g_job->node_name);
 	put_int_attribute(gid_node, ATTR_NTASKS, g_job->node_tasks);
 	put_int_attribute(gid_node, ATTR_CPUPERTASK, g_job->cpus_per_task);

src/plugins/acct_gather_profile/hdf5/hdf5_api.h

@@ -65,6 +65,7 @@
 #define MAX_ATTR_NAME 64
 #define MAX_GROUP_NAME 64
 
+#define ATTR_NODEINX "Node Index"
 #define ATTR_NODENAME "Node Name"
 #define ATTR_NSTEPS "Number of Steps"
 #define ATTR_NNODES "Number of Nodes"