#include "utils_ignorelist.h"
#include <netapp_api.h>
+#include <netapp_errno.h>
#define HAS_ALL_FLAGS(has,needs) (((has) & (needs)) == (needs))
#define HAVE_VOLUME_USAGE_SNAP_USED 0x0080
#define HAVE_VOLUME_USAGE_SIS_SAVED 0x0100
#define HAVE_VOLUME_USAGE_ALL 0x01f0
+#define IS_VOLUME_USAGE_OFFLINE 0x0200
struct data_volume_usage_s;
typedef struct data_volume_usage_s data_volume_usage_t;
struct data_volume_usage_s {
char *name;
uint32_t flags;
+ na_elem_t *snap_query;
+
uint64_t norm_free;
uint64_t norm_used;
uint64_t snap_reserved;
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}
-
-static host_config_t *global_host_config;
/*
* Free functions
{
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_usage (hc->cfg_volume_usage);
free_cfg_system (hc->cfg_system);
- sfree (hc);
-
if (hc->srv != NULL)
na_server_close (hc->srv);
+ sfree (hc);
+
free_host_config (next);
} /* }}} void free_host_config */
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)
data_volume_perf_t *old_data,
const data_volume_perf_t *new_data)
{
+ char plugin_instance[DATA_MAX_NAME_LEN];
+
+ if ((hostname == NULL) || (old_data == NULL) || (new_data == NULL))
+ return (-1);
+
+ ssnprintf (plugin_instance, sizeof (plugin_instance),
+ "volume-%s", old_data->name);
+
/* Check for and submit disk-octet values */
if (HAS_ALL_FLAGS (old_data->flags, CFG_VOLUME_PERF_IO)
&& HAS_ALL_FLAGS (new_data->flags, HAVE_VOLUME_PERF_BYTES_READ | HAVE_VOLUME_PERF_BYTES_WRITE))
{
- submit_two_counters (hostname, old_data->name, "disk_octets", /* type instance = */ NULL,
+ submit_two_counters (hostname, plugin_instance, "disk_octets", /* type instance = */ NULL,
(counter_t) new_data->read_bytes, (counter_t) new_data->write_bytes, new_data->timestamp);
}
if (HAS_ALL_FLAGS (old_data->flags, CFG_VOLUME_PERF_OPS)
&& HAS_ALL_FLAGS (new_data->flags, HAVE_VOLUME_PERF_OPS_READ | HAVE_VOLUME_PERF_OPS_WRITE))
{
- submit_two_counters (hostname, old_data->name, "disk_ops", /* type instance = */ NULL,
+ submit_two_counters (hostname, plugin_instance, "disk_ops", /* type instance = */ NULL,
(counter_t) new_data->read_ops, (counter_t) new_data->write_ops, new_data->timestamp);
}
latency_per_op_write = ((gauge_t) diff_latency_write) / ((gauge_t) diff_ops_write);
}
- submit_two_gauge (hostname, old_data->name, "disk_latency", /* type instance = */ NULL,
+ submit_two_gauge (hostname, plugin_instance, "disk_latency", /* type instance = */ NULL,
latency_per_op_read, latency_per_op_write, new_data->timestamp);
}
continue;
/* get_volume_perf may return NULL if this volume is to be ignored. */
- v = get_volume_perf (cvp, perf_data.name);
+ v = get_volume_perf (cvp, name);
if (v == NULL)
continue;
for (v = cfg_volume->volumes; v != NULL; v = v->next)
{
+ char plugin_instance[DATA_MAX_NAME_LEN];
+
+ 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;
+
+ ssnprintf (plugin_instance, sizeof (plugin_instance),
+ "volume-%s", v->name);
+
+ 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;
+ }
+ }
+
+ /* The space used by snapshots but not reserved for them is included in
+ * both, norm_used and snap_norm_used. If possible, subtract this here. */
+ if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_NORM_USED | HAVE_VOLUME_USAGE_SNAP_USED))
+ {
+ if (norm_used >= snap_norm_used)
+ norm_used -= snap_norm_used;
+ else
+ {
+ ERROR ("netapp plugin: (norm_used = %"PRIu64") < (snap_norm_used = "
+ "%"PRIu64"). Invalidating both.",
+ norm_used, snap_norm_used);
+ v->flags &= ~(HAVE_VOLUME_USAGE_NORM_USED | HAVE_VOLUME_USAGE_SNAP_USED);
+ }
+ }
+
if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_NORM_FREE))
- submit_double (hostname, /* plugin instance = */ v->name,
+ submit_double (hostname, /* plugin instance = */ plugin_instance,
"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 = */ plugin_instance,
+ "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,
+ submit_double (hostname, /* plugin instance = */ plugin_instance,
"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,
+ submit_double (hostname, /* plugin instance = */ plugin_instance,
"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))
- submit_double (hostname, /* plugin instance = */ v->name,
- "df_complex", "snap_used",
- (double) v->snap_used, /* timestamp = */ 0);
+ if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_SNAP_USED | HAVE_VOLUME_USAGE_SNAP_RSVD))
+ submit_double (hostname, /* plugin instance = */ plugin_instance,
+ "df_complex", "snap_reserve_used",
+ (double) snap_reserve_used, /* 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) v->sis_saved, /* timestamp = */ 0);
+ if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_SNAP_USED))
+ submit_double (hostname, /* plugin instance = */ plugin_instance,
+ "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, /* {{{ */
+/* Switch the state of a volume between online and offline and send out a
+ * notification. */
+static int cna_change_volume_status (const char *hostname, /* {{{ */
+ data_volume_usage_t *v)
+{
+ notification_t n;
+
+ memset (&n, 0, sizeof (&n));
+ n.time = time (NULL);
+ sstrncpy (n.host, hostname, sizeof (n.host));
+ sstrncpy (n.plugin, "netapp", sizeof (n.plugin));
+ sstrncpy (n.plugin_instance, v->name, sizeof (n.plugin_instance));
+
+ if ((v->flags & IS_VOLUME_USAGE_OFFLINE) != 0) {
+ n.severity = NOTIF_OKAY;
+ ssnprintf (n.message, sizeof (n.message),
+ "Volume %s is now online.", v->name);
+ v->flags &= ~IS_VOLUME_USAGE_OFFLINE;
+ } else {
+ n.severity = NOTIF_WARNING;
+ ssnprintf (n.message, sizeof (n.message),
+ "Volume %s is now offline.", v->name);
+ v->flags |= IS_VOLUME_USAGE_OFFLINE;
+ }
+
+ return (plugin_dispatch_notification (&n));
+} /* }}} int cna_change_volume_status */
+
+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) {
+ if ((v->flags & IS_VOLUME_USAGE_OFFLINE) == 0)
+ cna_change_volume_status (host->name, v);
+ } else {
+ 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;
+ }
+
+ if ((v->flags & IS_VOLUME_USAGE_OFFLINE) != 0)
+ cna_change_volume_status (host->name, v);
+
+ 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);
+ /* "cumulative-total" is the total size of the oldest snapshot plus all
+ * newer ones in blocks (1KB). We therefore are looking for the highest
+ * number of all snapshots - that's the size required for the snapshots. */
+ if (value > snap_used)
+ snap_used = value;
+ }
+ na_elem_free (data);
+ /* snap_used is in 1024 byte blocks */
+ v->snap_used = snap_used * 1024;
+ v->flags |= HAVE_VOLUME_USAGE_SNAP_USED;
+} /* }}} void cna_handle_volume_snap_usage */
+
+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);
}
} /* }}} int cna_config_system */
/* Corresponds to a <Host /> block. */
-static host_config_t *cna_config_host (const oconfig_item_t *ci, /* {{{ */
- const host_config_t *default_host)
+static host_config_t *cna_config_host (const oconfig_item_t *ci) /* {{{ */
{
oconfig_item_t *item;
host_config_t *host;
}
host = malloc(sizeof(*host));
- memcpy (host, default_host, sizeof (*host));
+ memset (host, 0, sizeof (*host));
+ host->name = NULL;
+ host->protocol = NA_SERVER_TRANSPORT_HTTPS;
+ host->host = NULL;
+ host->username = NULL;
+ host->password = NULL;
+ host->srv = NULL;
+ host->cfg_wafl = NULL;
+ host->cfg_disk = NULL;
+ host->cfg_volume_perf = NULL;
+ host->cfg_volume_usage = NULL;
+ host->cfg_system = NULL;
status = cf_util_get_string (ci, &host->name);
if (status != 0)
*
* Pretty standard stuff here.
*/
-static int cna_init(void) { /* {{{ */
- char err[256];
- host_config_t *host;
-
- if (!global_host_config) {
- WARNING("netapp plugin: Plugin loaded but no hosts defined.");
- return 1;
+static int cna_init_host (host_config_t *host) /* {{{ */
+{
+ if (host == NULL)
+ return (EINVAL);
+
+ if (host->srv != NULL)
+ return (0);
+
+ /* Request version 1.1 of the ONTAP API */
+ host->srv = na_server_open(host->host,
+ /* major version = */ 1, /* minor version = */ 1);
+ if (host->srv == NULL) {
+ ERROR ("netapp plugin: na_server_open (%s) failed.", host->host);
+ return (-1);
}
+ na_server_set_transport_type(host->srv, host->protocol,
+ /* transportarg = */ NULL);
+ na_server_set_port(host->srv, host->port);
+ na_server_style(host->srv, NA_STYLE_LOGIN_PASSWORD);
+ na_server_adminuser(host->srv, host->username, host->password);
+ na_server_set_timeout(host->srv, 5 /* seconds */);
+
+ return 0;
+} /* }}} int cna_init_host */
+
+static int cna_init (void) /* {{{ */
+{
+ char err[256];
+
memset (err, 0, sizeof (err));
if (!na_startup(err, sizeof(err))) {
err[sizeof (err) - 1] = 0;
return 1;
}
- for (host = global_host_config; host; host = host->next) {
- /* Request version 1.1 of the ONTAP API */
- host->srv = na_server_open(host->host,
- /* major version = */ 1, /* minor version = */ 1);
- if (host->srv == NULL) {
- ERROR ("netapp plugin: na_server_open (%s) failed.", host->host);
- continue;
- }
+ return (0);
+} /* }}} cna_init */
- if (host->interval < interval_g)
- host->interval = interval_g;
+static int cna_read (user_data_t *ud) { /* {{{ */
+ host_config_t *host;
+ int status;
+
+ if ((ud == NULL) || (ud->data == NULL))
+ return (-1);
+
+ host = ud->data;
+
+ status = cna_init_host (host);
+ if (status != 0)
+ return (status);
+
+ cna_query_wafl (host);
+ cna_query_disk (host);
+ cna_query_volume_perf (host);
+ cna_query_volume_usage (host);
+ cna_query_system (host);
- na_server_set_transport_type(host->srv, host->protocol,
- /* transportarg = */ NULL);
- na_server_set_port(host->srv, host->port);
- na_server_style(host->srv, NA_STYLE_LOGIN_PASSWORD);
- na_server_adminuser(host->srv, host->username, host->password);
- na_server_set_timeout(host->srv, 5 /* seconds */);
- }
return 0;
-} /* }}} int cna_init */
+} /* }}} int cna_read */
static int cna_config (oconfig_item_t *ci) { /* {{{ */
int i;
oconfig_item_t *item;
- host_config_t default_host = HOST_INIT;
-
+
for (i = 0; i < ci->children_num; ++i) {
item = ci->children + i;
- if (!strcasecmp(item->key, "Host")) {
+ if (strcasecmp(item->key, "Host") == 0)
+ {
host_config_t *host;
- host_config_t *tmp;
+ char cb_name[256];
+ struct timespec interval;
+ user_data_t ud;
- host = cna_config_host(item, &default_host);
+ host = cna_config_host (item);
if (host == NULL)
continue;
- for (tmp = global_host_config; tmp != NULL; tmp = tmp->next)
- {
- if (strcasecmp (host->name, tmp->name) == 0)
- WARNING ("netapp plugin: Duplicate definition of host `%s'. "
- "This is probably a bad idea.",
- host->name);
+ ssnprintf (cb_name, sizeof (cb_name), "netapp-%s", host->name);
- if (tmp->next == NULL)
- break;
- }
+ memset (&interval, 0, sizeof (interval));
+ interval.tv_sec = host->interval;
- host->next = NULL;
- if (tmp == NULL)
- global_host_config = host;
- else
- tmp->next = host;
- } else {
+ memset (&ud, 0, sizeof (ud));
+ ud.data = host;
+ ud.free_func = (void (*) (void *)) free_host_config;
+
+ plugin_register_complex_read (cb_name,
+ /* callback = */ cna_read,
+ /* interval = */ (host->interval > 0) ? &interval : NULL,
+ /* user data = */ &ud);
+ continue;
+ }
+ else /* if (item->key != "Host") */
+ {
WARNING("netapp plugin: Ignoring unknown config option \"%s\".", item->key);
}
}
return 0;
} /* }}} int cna_config */
-static int cna_read (void) { /* {{{ */
- host_config_t *host;
-
- for (host = global_host_config; host; host = host->next) {
- cna_query_wafl (host);
- cna_query_disk (host);
- cna_query_volume_perf (host);
- cna_query_volume_usage (host);
- cna_query_system (host);
- }
- return 0;
-} /* }}} int cna_read */
+static int cna_shutdown (void) /* {{{ */
+{
+ /* Clean up system resources and stuff. */
+ na_shutdown ();
+
+ 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 : */
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