#include "utils_ignorelist.h"
#include <netapp_api.h>
+#include <netapp_errno.h>
#define HAS_ALL_FLAGS(has,needs) (((has) & (needs)) == (needs))
* kept for completeness sake. The "flags" member indicates if each counter is
* valid or not.
*
- * The "query_volume_perf_data" function will fill a new struct of this type
- * and pass both, old and new data, to "submit_volume_perf_data". In that
+ * The "cna_handle_volume_perf_data" function will fill a new struct of this
+ * type and pass both, old and new data, to "submit_volume_perf_data". In that
* function, the per-operation latency is calculated and dispatched, then the
* old counters are updated.
*/
#define HAVE_VOLUME_PERF_LATENCY_READ 0x0100
#define HAVE_VOLUME_PERF_LATENCY_WRITE 0x0200
#define HAVE_VOLUME_PERF_ALL 0x03F0
-typedef struct {
- uint32_t flags;
-} cfg_volume_perf_t;
-
-typedef struct {
+struct data_volume_perf_s;
+typedef struct data_volume_perf_s data_volume_perf_t;
+struct data_volume_perf_s {
+ char *name;
uint32_t flags;
time_t timestamp;
+
uint64_t read_bytes;
uint64_t write_bytes;
uint64_t read_ops;
uint64_t write_ops;
uint64_t read_latency;
uint64_t write_latency;
-} data_volume_perf_t;
+
+ data_volume_perf_t *next;
+};
+
+typedef struct {
+ cna_interval_t interval;
+ na_elem_t *query;
+
+ ignorelist_t *il_octets;
+ ignorelist_t *il_operations;
+ ignorelist_t *il_latency;
+
+ data_volume_perf_t *volumes;
+} cfg_volume_perf_t;
/* }}} data_volume_perf_t */
/*! Data types for volume usage statistics {{{
#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;
} cfg_system_t;
/* }}} cfg_system_t */
-typedef struct service_config_s {
- na_elem_t *query;
- service_handler_t *handler;
- int multiplier;
- int skip_countdown;
- int interval;
- void *data;
- struct service_config_s *next;
-} cfg_service_t;
-#define SERVICE_INIT {0, 0, 1, 1, 0, 0, 0}
-
-/*!
- * \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;
int interval;
na_server_t *srv;
- cfg_service_t *services;
cfg_wafl_t *cfg_wafl;
cfg_disk_t *cfg_disk;
+ 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}
-
-static host_config_t *global_host_config;
/*
* Free functions
*
* 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;
sfree (cfg_disk);
} /* }}} void free_cfg_disk */
+static void free_cfg_volume_perf (cfg_volume_perf_t *cvp) /* {{{ */
+{
+ data_volume_perf_t *data;
+
+ if (cvp == NULL)
+ return;
+
+ /* Free the ignorelists */
+ ignorelist_free (cvp->il_octets);
+ ignorelist_free (cvp->il_operations);
+ ignorelist_free (cvp->il_latency);
+
+ /* Free the linked list of volumes */
+ data = cvp->volumes;
+ while (data != NULL)
+ {
+ data_volume_perf_t *next = data->next;
+ sfree (data->name);
+ sfree (data);
+ data = next;
+ }
+
+ if (cvp->query != NULL)
+ na_elem_free (cvp->query);
+
+ sfree (cvp);
+} /* }}} void free_cfg_volume_perf */
+
static void free_cfg_volume_usage (cfg_volume_usage_t *cvu) /* {{{ */
{
data_volume_usage_t *data;
{
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;
}
sfree (cs);
} /* }}} void free_cfg_system */
-static void free_cfg_service (cfg_service_t *service) /* {{{ */
-{
- cfg_service_t *next;
-
- if (service == NULL)
- return;
-
- next = service->next;
-
- /* FIXME: Free service->data? */
- na_elem_free(service->query);
-
- sfree (service);
-
- free_cfg_service (next);
-} /* }}} void free_cfg_service */
-
static void free_host_config (host_config_t *hc) /* {{{ */
{
host_config_t *next;
sfree (hc->username);
sfree (hc->password);
- free_cfg_service (hc->services);
free_cfg_disk (hc->cfg_disk);
free_cfg_wafl (hc->cfg_wafl);
+ 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);
*
* Used to look up volumes and disks or to handle flags.
*/
-static volume_t *get_volume (host_config_t *host, const char *name, /* {{{ */
- uint32_t vol_perf_flags)
-{
- volume_t *v;
-
- if (name == NULL)
- return (NULL);
-
- /* Make sure the default flags include the init-bit. */
- if (vol_perf_flags != 0)
- vol_perf_flags |= CFG_VOLUME_PERF_INIT;
-
- for (v = host->volumes; v; v = v->next) {
- if (strcmp(v->name, name) != 0)
- continue;
-
- /* Check if the flags have been initialized. */
- if (((v->perf_data.flags & CFG_VOLUME_PERF_INIT) == 0)
- && (vol_perf_flags != 0))
- v->perf_data.flags = vol_perf_flags;
-
- return v;
- }
-
- DEBUG ("netapp plugin: Allocating new entry for volume %s.", name);
- v = malloc(sizeof(*v));
- if (v == NULL)
- return (NULL);
- memset (v, 0, sizeof (*v));
-
- v->perf_data.flags = vol_perf_flags;
-
- v->name = strdup(name);
- if (v->name == NULL) {
- sfree (v);
- return (NULL);
- }
-
- v->next = host->volumes;
- host->volumes = v;
-
- return v;
-} /* }}} volume_t *get_volume */
-
static disk_t *get_disk(cfg_disk_t *cd, const char *name) /* {{{ */
{
disk_t *d;
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)
return (new);
} /* }}} data_volume_usage_t *get_volume_usage */
-static void host_set_all_perf_data_flags(const host_config_t *host, /* {{{ */
- uint32_t flag, _Bool set)
+static data_volume_perf_t *get_volume_perf (cfg_volume_perf_t *cvp, /* {{{ */
+ const char *name)
{
- volume_t *v;
-
- for (v = host->volumes; v; v = v->next) {
- if (set)
- v->perf_data.flags |= flag;
- else /* if (!set) */
- v->perf_data.flags &= ~flag;
+ data_volume_perf_t *last;
+ data_volume_perf_t *new;
+
+ int ignore_octets = 0;
+ int ignore_operations = 0;
+ int ignore_latency = 0;
+
+ if ((cvp == NULL) || (name == NULL))
+ return (NULL);
+
+ last = cvp->volumes;
+ while (last != NULL)
+ {
+ if (strcmp (last->name, name) == 0)
+ return (last);
+
+ if (last->next == NULL)
+ break;
+
+ last = last->next;
}
-} /* }}} void host_set_all_perf_data_flags */
+
+ /* Check the ignorelists. If *all three* tell us to ignore a volume, return
+ * NULL. */
+ ignore_octets = ignorelist_match (cvp->il_octets, name);
+ ignore_operations = ignorelist_match (cvp->il_operations, name);
+ ignore_latency = ignorelist_match (cvp->il_latency, name);
+ if ((ignore_octets != 0) || (ignore_operations != 0)
+ || (ignore_latency != 0))
+ return (NULL);
+
+ /* Not found: allocate. */
+ new = malloc (sizeof (*new));
+ if (new == NULL)
+ return (NULL);
+ memset (new, 0, sizeof (*new));
+ new->next = NULL;
+
+ new->name = strdup (name);
+ if (new->name == NULL)
+ {
+ sfree (new);
+ return (NULL);
+ }
+
+ if (ignore_octets == 0)
+ new->flags |= CFG_VOLUME_PERF_IO;
+ if (ignore_operations == 0)
+ new->flags |= CFG_VOLUME_PERF_OPS;
+ if (ignore_latency == 0)
+ new->flags |= CFG_VOLUME_PERF_LATENCY;
+
+ /* Add to end of list. */
+ if (last == NULL)
+ cvp->volumes = new;
+ else
+ last->next = new;
+
+ return (new);
+} /* }}} data_volume_perf_t *get_volume_perf */
/*
* Various submit functions.
/* Submits volume performance data to the daemon, taking care to honor and
* update flags appropriately. */
-static int submit_volume_perf_data (const host_config_t *host, /* {{{ */
- volume_t *volume,
+static int submit_volume_perf_data (const char *hostname, /* {{{ */
+ 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 (volume->perf_data.flags, CFG_VOLUME_PERF_IO)
+ 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 (host->name, volume->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);
}
/* Check for and submit disk-operations values */
- if (HAS_ALL_FLAGS (volume->perf_data.flags, CFG_VOLUME_PERF_OPS)
+ 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 (host->name, volume->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);
}
/* Check for, calculate and submit disk-latency values */
- if (HAS_ALL_FLAGS (volume->perf_data.flags, CFG_VOLUME_PERF_LATENCY
+ if (HAS_ALL_FLAGS (old_data->flags, CFG_VOLUME_PERF_LATENCY
| HAVE_VOLUME_PERF_OPS_READ | HAVE_VOLUME_PERF_OPS_WRITE
| HAVE_VOLUME_PERF_LATENCY_READ | HAVE_VOLUME_PERF_LATENCY_WRITE)
&& HAS_ALL_FLAGS (new_data->flags, HAVE_VOLUME_PERF_OPS_READ | HAVE_VOLUME_PERF_OPS_WRITE
latency_per_op_write = NAN;
/* Check if a counter wrapped around. */
- if ((new_data->read_ops > volume->perf_data.read_ops)
- && (new_data->read_latency > volume->perf_data.read_latency))
+ if ((new_data->read_ops > old_data->read_ops)
+ && (new_data->read_latency > old_data->read_latency))
{
uint64_t diff_ops_read;
uint64_t diff_latency_read;
- diff_ops_read = new_data->read_ops - volume->perf_data.read_ops;
- diff_latency_read = new_data->read_latency - volume->perf_data.read_latency;
+ diff_ops_read = new_data->read_ops - old_data->read_ops;
+ diff_latency_read = new_data->read_latency - old_data->read_latency;
if (diff_ops_read > 0)
latency_per_op_read = ((gauge_t) diff_latency_read) / ((gauge_t) diff_ops_read);
}
- if ((new_data->write_ops > volume->perf_data.write_ops)
- && (new_data->write_latency > volume->perf_data.write_latency))
+ if ((new_data->write_ops > old_data->write_ops)
+ && (new_data->write_latency > old_data->write_latency))
{
uint64_t diff_ops_write;
uint64_t diff_latency_write;
- diff_ops_write = new_data->write_ops - volume->perf_data.write_ops;
- diff_latency_write = new_data->write_latency - volume->perf_data.write_latency;
+ diff_ops_write = new_data->write_ops - old_data->write_ops;
+ diff_latency_write = new_data->write_latency - old_data->write_latency;
if (diff_ops_write > 0)
latency_per_op_write = ((gauge_t) diff_latency_write) / ((gauge_t) diff_ops_write);
}
- submit_two_gauge (host->name, volume->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);
}
/* Clear all HAVE_* flags. */
- volume->perf_data.flags &= ~HAVE_VOLUME_PERF_ALL;
+ old_data->flags &= ~HAVE_VOLUME_PERF_ALL;
/* Copy all counters */
- volume->perf_data.timestamp = new_data->timestamp;
- volume->perf_data.read_bytes = new_data->read_bytes;
- volume->perf_data.write_bytes = new_data->write_bytes;
- volume->perf_data.read_ops = new_data->read_ops;
- volume->perf_data.write_ops = new_data->write_ops;
- volume->perf_data.read_latency = new_data->read_latency;
- volume->perf_data.write_latency = new_data->write_latency;
+ old_data->timestamp = new_data->timestamp;
+ old_data->read_bytes = new_data->read_bytes;
+ old_data->write_bytes = new_data->write_bytes;
+ old_data->read_ops = new_data->read_ops;
+ old_data->write_ops = new_data->write_ops;
+ old_data->read_latency = new_data->read_latency;
+ old_data->write_latency = new_data->write_latency;
/* Copy the HAVE_* flags */
- volume->perf_data.flags |= (new_data->flags & HAVE_VOLUME_PERF_ALL);
+ old_data->flags |= (new_data->flags & HAVE_VOLUME_PERF_ALL);
return (0);
} /* }}} int submit_volume_perf_data */
if (instances == NULL)
{
ERROR ("netapp plugin: cna_handle_wafl_data: "
- "na_elem_child (\"instances\") failed.");
+ "na_elem_child (\"instances\") failed "
+ "for host %s.", hostname);
return (-1);
}
if (plugin_inst == NULL)
{
ERROR ("netapp plugin: cna_handle_wafl_data: "
- "na_child_get_string (\"name\") failed.");
+ "na_child_get_string (\"name\") failed "
+ "for host %s.", hostname);
return (-1);
}
perf_data.flags |= HAVE_WAFL_INODE_CACHE_MISS;
} else {
DEBUG("netapp plugin: cna_handle_wafl_data: "
- "Found unexpected child: %s", name);
+ "Found unexpected child: %s "
+ "for host %s.", name, hostname);
}
}
ERROR ("netapp plugin: na_elem_new failed.");
return (-1);
}
- na_child_add_string(e, "foo", "name_cache_hit");
- na_child_add_string(e, "foo", "name_cache_miss");
- na_child_add_string(e, "foo", "find_dir_hit");
- na_child_add_string(e, "foo", "find_dir_miss");
- na_child_add_string(e, "foo", "buf_hash_hit");
- na_child_add_string(e, "foo", "buf_hash_miss");
- na_child_add_string(e, "foo", "inode_cache_hit");
- na_child_add_string(e, "foo", "inode_cache_miss");
+ na_child_add_string(e, "counter", "name_cache_hit");
+ na_child_add_string(e, "counter", "name_cache_miss");
+ na_child_add_string(e, "counter", "find_dir_hit");
+ na_child_add_string(e, "counter", "find_dir_miss");
+ na_child_add_string(e, "counter", "buf_hash_hit");
+ na_child_add_string(e, "counter", "buf_hash_miss");
+ na_child_add_string(e, "counter", "inode_cache_hit");
+ na_child_add_string(e, "counter", "inode_cache_miss");
na_child_add(cw->query, e);
data = na_server_invoke_elem(host->srv, host->cfg_wafl->query);
if (na_results_status (data) != NA_OK)
{
- ERROR ("netapp plugin: cna_query_wafl: na_server_invoke_elem failed: %s",
- na_results_reason (data));
+ ERROR ("netapp plugin: cna_query_wafl: na_server_invoke_elem failed for host %s: %s",
+ host->name, na_results_reason (data));
na_elem_free (data);
return (-1);
}
if (instances == NULL)
{
ERROR ("netapp plugin: cna_handle_disk_data: "
- "na_elem_child (\"instances\") failed.");
+ "na_elem_child (\"instances\") failed "
+ "for host %s.", hostname);
return (-1);
}
ERROR ("netapp plugin: na_elem_new failed.");
return (-1);
}
- na_child_add_string(e, "foo", "disk_busy");
- na_child_add_string(e, "foo", "base_for_disk_busy");
+ na_child_add_string(e, "counter", "disk_busy");
+ na_child_add_string(e, "counter", "base_for_disk_busy");
na_child_add(cd->query, e);
return (0);
data = na_server_invoke_elem(host->srv, host->cfg_disk->query);
if (na_results_status (data) != NA_OK)
{
- ERROR ("netapp plugin: cna_query_disk: na_server_invoke_elem failed: %s",
- na_results_reason (data));
+ ERROR ("netapp plugin: cna_query_disk: na_server_invoke_elem failed for host %s: %s",
+ host->name, na_results_reason (data));
na_elem_free (data);
return (-1);
}
return (status);
} /* }}} int cna_query_disk */
+/* Data corresponding to <VolumePerf /> */
+static int cna_handle_volume_perf_data (const char *hostname, /* {{{ */
+ cfg_volume_perf_t *cvp, na_elem_t *data)
+{
+ time_t timestamp;
+ na_elem_t *elem_instances;
+ na_elem_iter_t iter_instances;
+ na_elem_t *elem_instance;
+
+ timestamp = (time_t) na_child_get_uint64(data, "timestamp", 0);
+
+ elem_instances = na_elem_child(data, "instances");
+ if (elem_instances == NULL)
+ {
+ ERROR ("netapp plugin: handle_volume_perf_data: "
+ "na_elem_child (\"instances\") failed "
+ "for host %s.", hostname);
+ return (-1);
+ }
+
+ iter_instances = na_child_iterator (elem_instances);
+ for (elem_instance = na_iterator_next(&iter_instances);
+ elem_instance != NULL;
+ elem_instance = na_iterator_next(&iter_instances))
+ {
+ const char *name;
+
+ data_volume_perf_t perf_data;
+ data_volume_perf_t *v;
+
+ na_elem_t *elem_counters;
+ na_elem_iter_t iter_counters;
+ na_elem_t *elem_counter;
+
+ memset (&perf_data, 0, sizeof (perf_data));
+ perf_data.timestamp = timestamp;
+
+ name = na_child_get_string (elem_instance, "name");
+ if (name == NULL)
+ continue;
+
+ /* get_volume_perf may return NULL if this volume is to be ignored. */
+ v = get_volume_perf (cvp, name);
+ if (v == NULL)
+ continue;
+
+ elem_counters = na_elem_child (elem_instance, "counters");
+ if (elem_counters == NULL)
+ continue;
+
+ iter_counters = na_child_iterator (elem_counters);
+ for (elem_counter = na_iterator_next(&iter_counters);
+ elem_counter != NULL;
+ elem_counter = na_iterator_next(&iter_counters))
+ {
+ const char *name;
+ uint64_t value;
+
+ name = na_child_get_string (elem_counter, "name");
+ if (name == NULL)
+ continue;
+
+ value = na_child_get_uint64 (elem_counter, "value", UINT64_MAX);
+ if (value == UINT64_MAX)
+ continue;
+
+ if (!strcmp(name, "read_data")) {
+ perf_data.read_bytes = value;
+ perf_data.flags |= HAVE_VOLUME_PERF_BYTES_READ;
+ } else if (!strcmp(name, "write_data")) {
+ perf_data.write_bytes = value;
+ perf_data.flags |= HAVE_VOLUME_PERF_BYTES_WRITE;
+ } else if (!strcmp(name, "read_ops")) {
+ perf_data.read_ops = value;
+ perf_data.flags |= HAVE_VOLUME_PERF_OPS_READ;
+ } else if (!strcmp(name, "write_ops")) {
+ perf_data.write_ops = value;
+ perf_data.flags |= HAVE_VOLUME_PERF_OPS_WRITE;
+ } else if (!strcmp(name, "read_latency")) {
+ perf_data.read_latency = value;
+ perf_data.flags |= HAVE_VOLUME_PERF_LATENCY_READ;
+ } else if (!strcmp(name, "write_latency")) {
+ perf_data.write_latency = value;
+ perf_data.flags |= HAVE_VOLUME_PERF_LATENCY_WRITE;
+ }
+ } /* for (elem_counter) */
+
+ submit_volume_perf_data (hostname, v, &perf_data);
+ } /* for (volume) */
+
+ return (0);
+} /* }}} int cna_handle_volume_perf_data */
+
+static int cna_setup_volume_perf (cfg_volume_perf_t *cd) /* {{{ */
+{
+ na_elem_t *e;
+
+ if (cd == NULL)
+ return (EINVAL);
+
+ if (cd->query != NULL)
+ return (0);
+
+ cd->query = na_elem_new ("perf-object-get-instances");
+ if (cd->query == NULL)
+ {
+ ERROR ("netapp plugin: na_elem_new failed.");
+ return (-1);
+ }
+ na_child_add_string (cd->query, "objectname", "volume");
+
+ e = na_elem_new("counters");
+ if (e == NULL)
+ {
+ na_elem_free (cd->query);
+ cd->query = NULL;
+ ERROR ("netapp plugin: na_elem_new failed.");
+ return (-1);
+ }
+ na_child_add_string(e, "counter", "read_ops");
+ na_child_add_string(e, "counter", "write_ops");
+ na_child_add_string(e, "counter", "read_data");
+ na_child_add_string(e, "counter", "write_data");
+ na_child_add_string(e, "counter", "read_latency");
+ na_child_add_string(e, "counter", "write_latency");
+ na_child_add(cd->query, e);
+
+ return (0);
+} /* }}} int cna_setup_volume_perf */
+
+static int cna_query_volume_perf (host_config_t *host) /* {{{ */
+{
+ na_elem_t *data;
+ int status;
+ time_t now;
+
+ if (host == NULL)
+ return (EINVAL);
+
+ /* If the user did not configure volume performance statistics, return
+ * without doing anything. */
+ if (host->cfg_volume_perf == NULL)
+ return (0);
+
+ now = time (NULL);
+ if ((host->cfg_volume_perf->interval.interval + host->cfg_volume_perf->interval.last_read) > now)
+ return (0);
+
+ status = cna_setup_volume_perf (host->cfg_volume_perf);
+ if (status != 0)
+ return (status);
+ assert (host->cfg_volume_perf->query != NULL);
+
+ data = na_server_invoke_elem (host->srv, host->cfg_volume_perf->query);
+ if (na_results_status (data) != NA_OK)
+ {
+ ERROR ("netapp plugin: cna_query_volume_perf: na_server_invoke_elem failed for host %s: %s",
+ host->name, na_results_reason (data));
+ na_elem_free (data);
+ return (-1);
+ }
+
+ status = cna_handle_volume_perf_data (host->name, host->cfg_volume_perf, data);
+
+ if (status == 0)
+ host->cfg_volume_perf->interval.last_read = now;
+
+ na_elem_free (data);
+ return (status);
+} /* }}} int cna_query_volume_perf */
+
/* Data corresponding to <VolumeUsage /> */
static int cna_submit_volume_usage_data (const char *hostname, /* {{{ */
cfg_volume_usage_t *cfg_volume)
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") for host %s. Invalidating both.",
+ norm_used, snap_norm_used, hostname);
+ 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\" on host %s failed with error %d: %s", v->name,
+ host->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 "
+ "for host %s.", hostname);
+ 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;
if (elem_volumes == NULL)
{
ERROR ("netapp plugin: cna_handle_volume_usage_data: "
- "na_elem_child (\"volumes\") failed.");
+ "na_elem_child (\"volumes\") failed "
+ "for host %s.", hostname);
return (-1);
}
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 */
data = na_server_invoke_elem(host->srv, host->cfg_volume_usage->query);
if (na_results_status (data) != NA_OK)
{
- ERROR ("netapp plugin: cna_query_volume_usage: na_server_invoke_elem failed: %s",
- na_results_reason (data));
+ ERROR ("netapp plugin: cna_query_volume_usage: na_server_invoke_elem failed for host %s: %s",
+ host->name, na_results_reason (data));
na_elem_free (data);
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;
return (status);
} /* }}} int cna_query_volume_usage */
-/* Data corresponding to <GetVolumePerfData /> */
-static void query_volume_perf_data(host_config_t *host, na_elem_t *out, void *data) { /* {{{ */
- cfg_volume_perf_t *cfg_volume_perf = data;
- time_t timestamp;
- na_elem_t *counter, *inst;
-
- timestamp = (time_t) na_child_get_uint64(out, "timestamp", 0);
-
- out = na_elem_child(out, "instances");
- na_elem_iter_t inst_iter = na_child_iterator(out);
- for (inst = na_iterator_next(&inst_iter); inst; inst = na_iterator_next(&inst_iter)) {
- data_volume_perf_t perf_data;
- volume_t *volume;
-
- memset (&perf_data, 0, sizeof (perf_data));
- perf_data.timestamp = timestamp;
-
- volume = get_volume(host, na_child_get_string(inst, "name"),
- cfg_volume_perf->flags);
- if (volume == NULL)
- continue;
-
- na_elem_iter_t count_iter = na_child_iterator(na_elem_child(inst, "counters"));
- for (counter = na_iterator_next(&count_iter); counter; counter = na_iterator_next(&count_iter)) {
- const char *name;
- uint64_t value;
-
- name = na_child_get_string(counter, "name");
- if (name == NULL)
- continue;
-
- value = na_child_get_uint64(counter, "value", UINT64_MAX);
- if (value == UINT64_MAX)
- continue;
-
- if (!strcmp(name, "read_data")) {
- perf_data.read_bytes = value;
- perf_data.flags |= HAVE_VOLUME_PERF_BYTES_READ;
- } else if (!strcmp(name, "write_data")) {
- perf_data.write_bytes = value;
- perf_data.flags |= HAVE_VOLUME_PERF_BYTES_WRITE;
- } else if (!strcmp(name, "read_ops")) {
- perf_data.read_ops = value;
- perf_data.flags |= HAVE_VOLUME_PERF_OPS_READ;
- } else if (!strcmp(name, "write_ops")) {
- perf_data.write_ops = value;
- perf_data.flags |= HAVE_VOLUME_PERF_OPS_WRITE;
- } else if (!strcmp(name, "read_latency")) {
- perf_data.read_latency = value;
- perf_data.flags |= HAVE_VOLUME_PERF_LATENCY_READ;
- } else if (!strcmp(name, "write_latency")) {
- perf_data.write_latency = value;
- perf_data.flags |= HAVE_VOLUME_PERF_LATENCY_WRITE;
- }
- }
-
- submit_volume_perf_data (host, volume, &perf_data);
- } /* for (volume) */
-} /* }}} void query_volume_perf_data */
-
/* Data corresponding to <System /> */
static int cna_handle_system_data (const char *hostname, /* {{{ */
cfg_system_t *cfg_system, na_elem_t *data)
if (instances == NULL)
{
ERROR ("netapp plugin: cna_handle_system_data: "
- "na_elem_child (\"instances\") failed.");
+ "na_elem_child (\"instances\") failed "
+ "for host %s.", hostname);
return (-1);
}
if (instance == NULL)
{
ERROR ("netapp plugin: cna_handle_system_data: "
- "na_child_get_string (\"name\") failed.");
+ "na_child_get_string (\"name\") failed "
+ "for host %s.", hostname);
return (-1);
}
data = na_server_invoke_elem(host->srv, host->cfg_system->query);
if (na_results_status (data) != NA_OK)
{
- ERROR ("netapp plugin: cna_query_system: na_server_invoke_elem failed: %s",
- na_results_reason (data));
+ ERROR ("netapp plugin: cna_query_system: na_server_invoke_elem failed for host %s: %s",
+ host->name, na_results_reason (data));
na_elem_free (data);
return (-1);
}
return (0);
} /* }}} int cna_config_bool_to_flag */
-/* Handling of the "Multiplier" option which is allowed in every block. */
-static int cna_config_get_multiplier (const oconfig_item_t *ci, /* {{{ */
- cfg_service_t *service)
-{
- int tmp;
-
- if ((ci == NULL) || (service == NULL))
- return (EINVAL);
-
- if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
- {
- WARNING ("netapp plugin: The `Multiplier' option needs exactly one numeric argument.");
- return (-1);
- }
-
- tmp = (int) (ci->values[0].value.number + .5);
- if (tmp < 1)
- {
- WARNING ("netapp plugin: The `Multiplier' option needs a positive integer argument.");
- return (-1);
- }
-
- service->multiplier = tmp;
- service->skip_countdown = tmp;
-
- return (0);
-} /* }}} int cna_config_get_multiplier */
-
/* Handling of the "Interval" option which is allowed in every block. */
static int cna_config_get_interval (const oconfig_item_t *ci, /* {{{ */
cna_interval_t *out_interval)
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_get_interval */
/* Handling of the "GetIO", "GetOps" and "GetLatency" options within a
- * <GetVolumePerfData /> block. */
-static void cna_config_volume_performance_option (host_config_t *host, /* {{{ */
- cfg_volume_perf_t *perf_volume, const oconfig_item_t *item,
- uint32_t flag)
+ * <VolumePerf /> block. */
+static void cna_config_volume_perf_option (cfg_volume_perf_t *cvp, /* {{{ */
+ const oconfig_item_t *ci)
+{
+ char *name;
+ ignorelist_t * il;
+
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
+ {
+ WARNING ("netapp plugin: The %s option requires exactly one string argument.",
+ ci->key);
+ return;
+ }
+
+ name = ci->values[0].value.string;
+
+ if (strcasecmp ("GetIO", ci->key) == 0)
+ il = cvp->il_octets;
+ else if (strcasecmp ("GetOps", ci->key) == 0)
+ il = cvp->il_operations;
+ else if (strcasecmp ("GetLatency", ci->key) == 0)
+ il = cvp->il_latency;
+ else
+ return;
+
+ ignorelist_add (il, name);
+} /* }}} void cna_config_volume_perf_option */
+
+/* Handling of the "IgnoreSelectedIO", "IgnoreSelectedOps" and
+ * "IgnoreSelectedLatency" options within a <VolumePerf /> block. */
+static void cna_config_volume_perf_default (cfg_volume_perf_t *cvp, /* {{{ */
+ const oconfig_item_t *ci)
+{
+ ignorelist_t *il;
+
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN))
+ {
+ WARNING ("netapp plugin: The %s option requires exactly one string argument.",
+ ci->key);
+ return;
+ }
+
+ if (strcasecmp ("IgnoreSelectedIO", ci->key) == 0)
+ il = cvp->il_octets;
+ else if (strcasecmp ("IgnoreSelectedOps", ci->key) == 0)
+ il = cvp->il_operations;
+ else if (strcasecmp ("IgnoreSelectedLatency", ci->key) == 0)
+ il = cvp->il_latency;
+ else
+ return;
+
+ if (ci->values[0].value.boolean)
+ ignorelist_set_invert (il, /* invert = */ 0);
+ else
+ ignorelist_set_invert (il, /* invert = */ 1);
+} /* }}} void cna_config_volume_perf_default */
+
+/* Corresponds to a <Disks /> block */
+/*
+ * <VolumePerf>
+ * GetIO "vol0"
+ * GetIO "vol1"
+ * IgnoreSelectedIO false
+ *
+ * GetOps "vol0"
+ * GetOps "vol2"
+ * IgnoreSelectedOps false
+ *
+ * GetLatency "vol2"
+ * GetLatency "vol3"
+ * IgnoreSelectedLatency false
+ * </VolumePerf>
+ */
+/* Corresponds to a <VolumePerf /> block */
+static int cna_config_volume_performance (host_config_t *host, /* {{{ */
+ const oconfig_item_t *ci)
{
+ cfg_volume_perf_t *cfg_volume_perf;
int i;
-
- for (i = 0; i < item->values_num; ++i) {
- const char *name;
- volume_t *v;
- _Bool set = true;
- if (item->values[i].type != OCONFIG_TYPE_STRING) {
- WARNING("netapp plugin: Ignoring non-string argument in "
- "\"GetVolumePerfData\" block for host %s", host->name);
- continue;
- }
+ if ((host == NULL) || (ci == NULL))
+ return (EINVAL);
- name = item->values[i].value.string;
- if (name[0] == '+') {
- set = true;
- ++name;
- } else if (name[0] == '-') {
- set = false;
- ++name;
- }
+ if (host->cfg_volume_perf == NULL)
+ {
+ cfg_volume_perf = malloc (sizeof (*cfg_volume_perf));
+ if (cfg_volume_perf == NULL)
+ return (ENOMEM);
+ memset (cfg_volume_perf, 0, sizeof (*cfg_volume_perf));
- if (!name[0]) {
- if (set)
- perf_volume->flags |= flag;
- else /* if (!set) */
- perf_volume->flags &= ~flag;
+ /* Set default flags */
+ cfg_volume_perf->query = NULL;
+ cfg_volume_perf->volumes = NULL;
- host_set_all_perf_data_flags(host, flag, set);
- continue;
+ cfg_volume_perf->il_octets = ignorelist_create (/* invert = */ 1);
+ if (cfg_volume_perf->il_octets == NULL)
+ {
+ sfree (cfg_volume_perf);
+ return (ENOMEM);
}
- v = get_volume (host, name, perf_volume->flags);
- if (v == NULL)
- continue;
+ cfg_volume_perf->il_operations = ignorelist_create (/* invert = */ 1);
+ if (cfg_volume_perf->il_operations == NULL)
+ {
+ ignorelist_free (cfg_volume_perf->il_octets);
+ sfree (cfg_volume_perf);
+ return (ENOMEM);
+ }
+
+ cfg_volume_perf->il_latency = ignorelist_create (/* invert = */ 1);
+ if (cfg_volume_perf->il_latency == NULL)
+ {
+ ignorelist_free (cfg_volume_perf->il_octets);
+ ignorelist_free (cfg_volume_perf->il_operations);
+ sfree (cfg_volume_perf);
+ return (ENOMEM);
+ }
- if (set)
- v->perf_data.flags |= flag;
- else /* if (!set) */
- v->perf_data.flags &= ~flag;
- } /* for (i = 0 .. item->values_num) */
-} /* }}} void cna_config_volume_performance_option */
-
-/* Corresponds to a <GetVolumePerfData /> block */
-static void cna_config_volume_performance(host_config_t *host, const oconfig_item_t *ci) { /* {{{ */
- int i, had_io = 0, had_ops = 0, had_latency = 0;
- cfg_service_t *service;
- cfg_volume_perf_t *perf_volume;
+ host->cfg_volume_perf = cfg_volume_perf;
+ }
+ cfg_volume_perf = host->cfg_volume_perf;
- service = malloc(sizeof(*service));
- service->query = 0;
- service->handler = query_volume_perf_data;
- perf_volume = service->data = malloc(sizeof(*perf_volume));
- perf_volume->flags = CFG_VOLUME_PERF_INIT;
- service->next = host->services;
- host->services = service;
for (i = 0; i < ci->children_num; ++i) {
oconfig_item_t *item = ci->children + i;
/* if (!item || !item->key || !*item->key) continue; */
- if (!strcasecmp(item->key, "Multiplier")) {
- cna_config_get_multiplier (item, service);
- } else if (!strcasecmp(item->key, "GetIO")) {
- had_io = 1;
- cna_config_volume_performance_option(host, perf_volume, item, CFG_VOLUME_PERF_IO);
- } else if (!strcasecmp(item->key, "GetOps")) {
- had_ops = 1;
- cna_config_volume_performance_option(host, perf_volume, item, CFG_VOLUME_PERF_OPS);
- } else if (!strcasecmp(item->key, "GetLatency")) {
- had_latency = 1;
- cna_config_volume_performance_option(host, perf_volume, item, CFG_VOLUME_PERF_LATENCY);
- }
- }
- if (!had_io) {
- perf_volume->flags |= CFG_VOLUME_PERF_IO;
- host_set_all_perf_data_flags(host, CFG_VOLUME_PERF_IO, /* set = */ true);
- }
- if (!had_ops) {
- perf_volume->flags |= CFG_VOLUME_PERF_OPS;
- host_set_all_perf_data_flags(host, CFG_VOLUME_PERF_OPS, /* set = */ true);
- }
- if (!had_latency) {
- perf_volume->flags |= CFG_VOLUME_PERF_LATENCY;
- host_set_all_perf_data_flags(host, CFG_VOLUME_PERF_LATENCY, /* set = */ true);
+ if (strcasecmp(item->key, "Interval") == 0)
+ cna_config_get_interval (item, &cfg_volume_perf->interval);
+ else if (!strcasecmp(item->key, "GetIO"))
+ cna_config_volume_perf_option (cfg_volume_perf, item);
+ else if (!strcasecmp(item->key, "GetOps"))
+ cna_config_volume_perf_option (cfg_volume_perf, item);
+ else if (!strcasecmp(item->key, "GetLatency"))
+ cna_config_volume_perf_option (cfg_volume_perf, item);
+ else if (!strcasecmp(item->key, "IgnoreSelectedIO"))
+ cna_config_volume_perf_default (cfg_volume_perf, item);
+ else if (!strcasecmp(item->key, "IgnoreSelectedOps"))
+ cna_config_volume_perf_default (cfg_volume_perf, item);
+ else if (!strcasecmp(item->key, "IgnoreSelectedLatency"))
+ cna_config_volume_perf_default (cfg_volume_perf, item);
+ else
+ WARNING ("netapp plugin: The option %s is not allowed within "
+ "`VolumePerf' blocks.", item->key);
}
-} /* }}} void cna_config_volume_performance */
-/* Handling of the "Capacity" and "Snapshot" options within a <VolumeUsage />
- * block. */
+ return (0);
+} /* }}} int cna_config_volume_performance */
+
+/* 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)
{
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;
/*
* <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>
*/
/* Corresponds to a <VolumeUsage /> block */
-static int cna_config_volume_usage(host_config_t *host, oconfig_item_t *ci) { /* {{{ */
+static int cna_config_volume_usage(host_config_t *host, /* {{{ */
+ const oconfig_item_t *ci)
+{
cfg_volume_usage_t *cfg_volume_usage;
int i;
/* 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);
else if (!strcasecmp(item->key, "IgnoreSelectedSnapshot"))
cna_config_volume_usage_default (cfg_volume_usage, item);
+ else
+ WARNING ("netapp plugin: The option %s is not allowed within "
+ "`VolumeUsage' blocks.", item->key);
}
return (0);
/* Corresponds to a <System /> block */
static int cna_config_system (host_config_t *host, /* {{{ */
- oconfig_item_t *ci, const cfg_service_t *default_service)
+ oconfig_item_t *ci)
{
cfg_system_t *cfg_system;
int i;
} /* }}} 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, const cfg_service_t *def_def_service)
+static host_config_t *cna_config_host (const oconfig_item_t *ci) /* {{{ */
{
oconfig_item_t *item;
host_config_t *host;
- cfg_service_t default_service = *def_def_service;
int status;
int i;
}
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)
cna_config_wafl(host, item);
} else if (!strcasecmp(item->key, "Disks")) {
cna_config_disk(host, item);
- } else if (!strcasecmp(item->key, "GetVolumePerfData")) {
+ } else if (!strcasecmp(item->key, "VolumePerf")) {
cna_config_volume_performance(host, item);
} else if (!strcasecmp(item->key, "VolumeUsage")) {
cna_config_volume_usage(host, item);
} else if (!strcasecmp(item->key, "System")) {
- cna_config_system(host, item, &default_service);
+ cna_config_system(host, item);
} else {
WARNING("netapp plugin: Ignoring unknown config option \"%s\" in host block \"%s\".",
item->key, ci->values[0].value.string);
*
* Pretty standard stuff here.
*/
-static int cna_init(void) { /* {{{ */
- char err[256];
- na_elem_t *e;
- host_config_t *host;
- cfg_service_t *service;
-
- 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 */
+
+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);
- if (host->interval < interval_g)
- host->interval = interval_g;
-
- 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 */);
-
- for (service = host->services; service; service = service->next) {
- service->interval = host->interval * service->multiplier;
-
- if (service->handler == query_volume_perf_data) {
- service->query = na_elem_new("perf-object-get-instances");
- na_child_add_string(service->query, "objectname", "volume");
- e = na_elem_new("counters");
- /* "foo" means: This string has to be here but
- the content doesn't matter. */
- na_child_add_string(e, "foo", "read_ops");
- na_child_add_string(e, "foo", "write_ops");
- na_child_add_string(e, "foo", "read_data");
- na_child_add_string(e, "foo", "write_data");
- na_child_add_string(e, "foo", "read_latency");
- na_child_add_string(e, "foo", "write_latency");
- na_child_add(service->query, e);
- }
- } /* for (host->services) */
- }
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;
- cfg_service_t default_service = SERVICE_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, &default_service);
+ 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) { /* {{{ */
- na_elem_t *out;
- host_config_t *host;
- cfg_service_t *service;
-
- for (host = global_host_config; host; host = host->next) {
- for (service = host->services; service; service = service->next) {
- if (--service->skip_countdown > 0) continue;
- service->skip_countdown = service->multiplier;
- out = na_server_invoke_elem(host->srv, service->query);
- if (na_results_status(out) != NA_OK) {
- int netapp_errno = na_results_errno(out);
- ERROR("netapp plugin: Error %d from host %s: %s", netapp_errno, host->name, na_results_reason(out));
- na_elem_free(out);
- if (netapp_errno == EIO || netapp_errno == ETIMEDOUT) {
- /* Network problems. Just give up on all other services on this host. */
- break;
- }
- continue;
- }
- service->handler(host, out, service->data);
- na_elem_free(out);
- } /* for (host->services) */
+static int cna_shutdown (void) /* {{{ */
+{
+ /* Clean up system resources and stuff. */
+ na_shutdown ();
- cna_query_wafl (host);
- cna_query_disk (host);
- cna_query_volume_usage (host);
- cna_query_system (host);
- }
- return 0;
-} /* }}} int cna_read */
+ 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 : */