netapp plugin: Print a notice if all WAFL values have been disabled.

This message is printed if the user did supply a <WAFL /> block but
then disabled all supported values. WAFL collection will be disabled
in this case to increase performance.

diff --git a/src/netapp.c b/src/netapp.c
index a4b30cc..c2ebc9f 100644 (file)
--- a/src/netapp.c
+++ b/src/netapp.c
@@ -263,6 +263,17 @@ static void free_disk (disk_t *disk) /* {{{ */
        free_disk (next);
 } /* }}} void free_disk */
 
+static void free_cfg_wafl (cfg_wafl_t *cw) /* {{{ */
+{
+       if (cw == NULL)
+               return;
+
+       if (cw->query != NULL)
+               na_elem_free (cw->query);
+
+       sfree (cw);
+} /* }}} void free_cfg_wafl */
+
 static void free_cfg_disk (cfg_disk_t *cfg_disk) /* {{{ */
 {
        if (cfg_disk == NULL)
@@ -305,6 +316,7 @@ static void free_host_config (host_config_t *hc) /* {{{ */
 
        free_cfg_service (hc->services);
        free_cfg_disk (hc->cfg_disk);
+       free_cfg_wafl (hc->cfg_wafl);
        free_volume (hc->volumes);
 
        sfree (hc);
@@ -1695,6 +1707,14 @@ static int cna_config_wafl(host_config_t *host, oconfig_item_t *ci) /* {{{ */
                                        "`WAFL' blocks.", item->key);
        }
 
+       if ((cfg_wafl->flags & CFG_WAFL_ALL) == 0)
+       {
+               NOTICE ("netapp plugin: All WAFL related values have been disabled. "
+                               "Collection of WAFL data will be disabled entirely.");
+               free_cfg_wafl (host->cfg_wafl);
+               host->cfg_wafl = NULL;
+       }
+
        return (0);
 } /* }}} int cna_config_wafl */