diff --git a/src/netapp.c b/src/netapp.c
index fdd66d300cd577bc367d6493ac2c211662bdc91d..1ef17a58e087819af6dca5e4fb902ec1e9d09394 100644 (file)
--- a/src/netapp.c
+++ b/src/netapp.c
#include "utils_ignorelist.h"
#include <netapp_api.h>
+#include <netapp_errno.h>
#define HAS_ALL_FLAGS(has,needs) (((has) & (needs)) == (needs))
char *name;
uint32_t flags;
+ na_elem_t *snap_query;
+
uint64_t norm_free;
uint64_t norm_used;
uint64_t snap_reserved;
} cfg_system_t;
/* }}} cfg_system_t */
-/*!
- * \brief Struct representing a volume.
- *
- * A volume currently has a name and two sets of values:
- *
- * - Performance data, such as bytes read/written, number of operations
- * performed and average time per operation.
- *
- * - Usage data, i. e. amount of used and free space in the volume.
- */
-typedef struct volume_s {
- char *name;
- data_volume_perf_t perf_data;
- struct volume_s *next;
-} volume_t;
-
struct host_config_s {
char *name;
na_server_transport_t protocol;
cfg_volume_perf_t *cfg_volume_perf;
cfg_volume_usage_t *cfg_volume_usage;
cfg_system_t *cfg_system;
- volume_t *volumes;
struct host_config_s *next;
};
#define HOST_INIT { NULL, NA_SERVER_TRANSPORT_HTTPS, NULL, 0, NULL, NULL, 0, \
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, \
+ NULL, NULL, NULL, NULL, NULL, NULL, \
NULL}
static host_config_t *global_host_config;
*
* Used to free the various structures above.
*/
-static void free_volume (volume_t *volume) /* {{{ */
-{
- volume_t *next;
-
- if (volume == NULL)
- return;
-
- next = volume->next;
-
- sfree (volume->name);
- sfree (volume);
-
- free_volume (next);
-} /* }}} void free_volume */
-
static void free_disk (disk_t *disk) /* {{{ */
{
disk_t *next;
{
data_volume_usage_t *next = data->next;
sfree (data->name);
+ if (data->snap_query != NULL)
+ na_elem_free(data->snap_query);
sfree (data);
data = next;
}
free_cfg_volume_perf (hc->cfg_volume_perf);
free_cfg_volume_usage (hc->cfg_volume_usage);
free_cfg_system (hc->cfg_system);
- free_volume (hc->volumes);
+
+ if (hc->srv != NULL)
+ na_server_close (hc->srv);
sfree (hc);
@@ -503,8 +478,14 @@ static data_volume_usage_t *get_volume_usage (cfg_volume_usage_t *cvu, /* {{{ */
if (ignore_capacity == 0)
new->flags |= CFG_VOLUME_USAGE_DF;
- if (ignore_snapshot == 0)
+ if (ignore_snapshot == 0) {
new->flags |= CFG_VOLUME_USAGE_SNAP;
+ new->snap_query = na_elem_new ("snapshot-list-info");
+ na_child_add_string(new->snap_query, "target-type", "volume");
+ na_child_add_string(new->snap_query, "target-name", name);
+ } else {
+ new->snap_query = NULL;
+ }
/* Add to end of list. */
if (last == NULL)
for (v = cfg_volume->volumes; v != NULL; v = v->next)
{
+ uint64_t norm_used = v->norm_used;
+ uint64_t norm_free = v->norm_free;
+ uint64_t sis_saved = v->sis_saved;
+ uint64_t snap_reserve_used = 0;
+ uint64_t snap_reserve_free = v->snap_reserved;
+ uint64_t snap_norm_used = v->snap_used;
+
+ if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_SNAP_USED | HAVE_VOLUME_USAGE_SNAP_RSVD)) {
+ if (v->snap_reserved > v->snap_used) {
+ snap_reserve_free = v->snap_reserved - v->snap_used;
+ snap_reserve_used = v->snap_used;
+ snap_norm_used = 0;
+ } else {
+ snap_reserve_free = 0;
+ snap_reserve_used = v->snap_reserved;
+ snap_norm_used = v->snap_used - v->snap_reserved;
+ if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_NORM_USED)
+ && (norm_used >= snap_norm_used))
+ norm_used -= snap_norm_used;
+ }
+ }
+
if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_NORM_FREE))
submit_double (hostname, /* plugin instance = */ v->name,
"df_complex", "free",
- (double) v->norm_free, /* timestamp = */ 0);
+ (double) norm_free, /* timestamp = */ 0);
+
+ if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_SIS_SAVED))
+ submit_double (hostname, /* plugin instance = */ v->name,
+ "df_complex", "sis_saved",
+ (double) sis_saved, /* timestamp = */ 0);
if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_NORM_USED))
submit_double (hostname, /* plugin instance = */ v->name,
"df_complex", "used",
- (double) v->norm_used, /* timestamp = */ 0);
+ (double) norm_used, /* timestamp = */ 0);
if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_SNAP_RSVD))
submit_double (hostname, /* plugin instance = */ v->name,
"df_complex", "snap_reserved",
- (double) v->snap_reserved, /* timestamp = */ 0);
+ (double) snap_reserve_free, /* timestamp = */ 0);
- if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_SNAP_USED))
+ if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_SNAP_USED | HAVE_VOLUME_USAGE_SNAP_RSVD))
submit_double (hostname, /* plugin instance = */ v->name,
- "df_complex", "snap_used",
- (double) v->snap_used, /* timestamp = */ 0);
+ "df_complex", "snap_reserve_used",
+ (double) snap_reserve_used, /* timestamp = */ 0);
- if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_SIS_SAVED))
+ if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_SNAP_USED))
submit_double (hostname, /* plugin instance = */ v->name,
- "df_complex", "sis_saved",
- (double) v->sis_saved, /* timestamp = */ 0);
+ "df_complex", "snap_normal_used",
+ (double) snap_norm_used, /* timestamp = */ 0);
/* Clear all the HAVE_* flags */
v->flags &= ~HAVE_VOLUME_USAGE_ALL;
return (0);
} /* }}} int cna_submit_volume_usage_data */
-static int cna_handle_volume_usage_data (const char *hostname, /* {{{ */
+static void cna_handle_volume_snap_usage(const host_config_t *host, data_volume_usage_t *v)
+{
+ uint64_t snap_used = 0, value;
+ na_elem_t *data, *elem_snap, *elem_snapshots;
+ na_elem_iter_t iter_snap;
+
+ data = na_server_invoke_elem(host->srv, v->snap_query);
+ if (na_results_status(data) != NA_OK)
+ {
+ if (na_results_errno(data) != EVOLUMEOFFLINE)
+ ERROR ("netapp plugin: cna_handle_volume_snap_usage: na_server_invoke_elem for "
+ "volume \"%s\" failed with error %d: %s", v->name,
+ na_results_errno(data), na_results_reason(data));
+ na_elem_free(data);
+ return;
+ }
+
+ elem_snapshots = na_elem_child (data, "snapshots");
+ if (elem_snapshots == NULL)
+ {
+ ERROR ("netapp plugin: cna_handle_volume_snap_usage: "
+ "na_elem_child (\"snapshots\") failed.");
+ na_elem_free(data);
+ return;
+ }
+
+ iter_snap = na_child_iterator (elem_snapshots);
+ for (elem_snap = na_iterator_next (&iter_snap);
+ elem_snap != NULL;
+ elem_snap = na_iterator_next (&iter_snap))
+ {
+ value = na_child_get_uint64(elem_snap, "cumulative-total", 0);
+ if (value > snap_used)
+ snap_used = value;
+ }
+ na_elem_free (data);
+ /* snap_used is the total size of the oldest snapshot plus all
+ * newer ones in blocks (1KB). */
+ v->snap_used = snap_used * 1024;
+ v->flags |= HAVE_VOLUME_USAGE_SNAP_USED;
+}
+
+static int cna_handle_volume_usage_data (const host_config_t *host, /* {{{ */
cfg_volume_usage_t *cfg_volume, na_elem_t *data)
{
na_elem_t *elem_volume;
elem_volume != NULL;
elem_volume = na_iterator_next (&iter_volume))
{
- const char *volume_name;
+ const char *volume_name, *state;
data_volume_usage_t *v;
uint64_t value;
if (volume_name == NULL)
continue;
+ state = na_child_get_string (elem_volume, "state");
+ if ((state == NULL) || (strcmp(state, "online") != 0))
+ continue;
+
/* get_volume_usage may return NULL if the volume is to be ignored. */
v = get_volume_usage (cfg_volume, volume_name);
if (v == NULL)
continue;
+ if ((v->flags & CFG_VOLUME_USAGE_SNAP) != 0)
+ cna_handle_volume_snap_usage(host, v);
+
if ((v->flags & CFG_VOLUME_USAGE_DF) == 0)
continue;
value = na_child_get_uint64(elem_volume, "snapshot-blocks-reserved", UINT64_MAX);
if (value != UINT64_MAX) {
/* 1 block == 1024 bytes as per API docs */
- v->norm_used = 1024 * value;
+ v->snap_reserved = 1024 * value;
v->flags |= HAVE_VOLUME_USAGE_SNAP_RSVD;
}
if (sis_state == NULL)
continue;
- /* If SIS is not enabled, set the HAVE_VOLUME_USAGE_SIS_SAVED flag and set
- * sis_saved to UINT64_MAX to signal this condition to the submit function. */
- if (strcmp ("enabled", sis_state) != 0) {
- v->sis_saved = UINT64_MAX;
- v->flags |= HAVE_VOLUME_USAGE_SIS_SAVED;
+ /* If SIS is not enabled, there's nothing left to do for this volume. */
+ if (strcmp ("enabled", sis_state) != 0)
continue;
- }
sis_saved_reported = na_child_get_uint64(sis, "size-saved", UINT64_MAX);
if (sis_saved_reported == UINT64_MAX)
} /* }}} end of 32-bit workaround */
} /* for (elem_volume) */
- return (cna_submit_volume_usage_data (hostname, cfg_volume));
+ return (cna_submit_volume_usage_data (host->name, cfg_volume));
} /* }}} int cna_handle_volume_usage_data */
static int cna_setup_volume_usage (cfg_volume_usage_t *cvu) /* {{{ */
return (-1);
}
- /* TODO: cvu->snap_query = na_elem_new("snapshot-list-info"); */
-
return (0);
} /* }}} int cna_setup_volume_usage */
return (-1);
}
- status = cna_handle_volume_usage_data (host->name, host->cfg_volume_usage, data);
+ status = cna_handle_volume_usage_data (host, host->cfg_volume_usage, data);
if (status == 0)
host->cfg_volume_usage->interval.last_read = now;
if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
{
- WARNING ("netapp plugin: The `Multiplier' option needs exactly one numeric argument.");
+ WARNING ("netapp plugin: The `Interval' option needs exactly one numeric argument.");
return (-1);
}
tmp = (time_t) (ci->values[0].value.number + .5);
if (tmp < 1)
{
- WARNING ("netapp plugin: The `Multiplier' option needs a positive integer argument.");
+ WARNING ("netapp plugin: The `Interval' option needs a positive integer argument.");
return (-1);
}
return (0);
} /* }}} int cna_config_volume_performance */
-/* Handling of the "Capacity" and "Snapshot" options within a <VolumeUsage />
- * block. */
+/* Handling of the "GetCapacity" and "GetSnapshot" options within a
+ * <VolumeUsage /> block. */
static void cna_config_volume_usage_option (cfg_volume_usage_t *cvu, /* {{{ */
const oconfig_item_t *ci)
{
@@ -1973,9 +2024,9 @@ static void cna_config_volume_usage_option (cfg_volume_usage_t *cvu, /* {{{ */
name = ci->values[0].value.string;
- if (strcasecmp ("Capacity", ci->key) == 0)
+ if (strcasecmp ("GetCapacity", ci->key) == 0)
il = cvu->il_capacity;
- else if (strcasecmp ("Snapshot", ci->key) == 0)
+ else if (strcasecmp ("GetSnapshot", ci->key) == 0)
il = cvu->il_snapshot;
else
return;
@@ -2109,17 +2160,17 @@ static int cna_config_wafl(host_config_t *host, oconfig_item_t *ci) /* {{{ */
/*
* <VolumeUsage>
- * Capacity "vol0"
- * Capacity "vol1"
- * Capacity "vol2"
- * Capacity "vol3"
- * Capacity "vol4"
+ * GetCapacity "vol0"
+ * GetCapacity "vol1"
+ * GetCapacity "vol2"
+ * GetCapacity "vol3"
+ * GetCapacity "vol4"
* IgnoreSelectedCapacity false
*
- * Snapshot "vol0"
- * Snapshot "vol3"
- * Snapshot "vol4"
- * Snapshot "vol7"
+ * GetSnapshot "vol0"
+ * GetSnapshot "vol3"
+ * GetSnapshot "vol4"
+ * GetSnapshot "vol7"
* IgnoreSelectedSnapshot false
* </VolumeUsage>
*/
/* if (!item || !item->key || !*item->key) continue; */
if (strcasecmp(item->key, "Interval") == 0)
cna_config_get_interval (item, &cfg_volume_usage->interval);
- else if (!strcasecmp(item->key, "Capacity"))
+ else if (!strcasecmp(item->key, "GetCapacity"))
cna_config_volume_usage_option (cfg_volume_usage, item);
- else if (!strcasecmp(item->key, "Snapshot"))
+ else if (!strcasecmp(item->key, "GetSnapshot"))
cna_config_volume_usage_option (cfg_volume_usage, item);
else if (!strcasecmp(item->key, "IgnoreSelectedCapacity"))
cna_config_volume_usage_default (cfg_volume_usage, item);
return 0;
} /* }}} int cna_read */
+static int cna_shutdown (void) /* {{{ */
+{
+ free_host_config (global_host_config);
+ global_host_config = NULL;
+
+ return (0);
+} /* }}} int cna_shutdown */
+
void module_register(void) {
plugin_register_complex_config("netapp", cna_config);
plugin_register_init("netapp", cna_init);
plugin_register_read("netapp", cna_read);
+ plugin_register_shutdown("netapp", cna_shutdown);
}
/* vim: set sw=2 ts=2 noet fdm=marker : */