--- /dev/null
+/**
+ * collectd - src/netapp.c
+ * Copyright (C) 2009 Sven Trenkel
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Sven Trenkel <collectd at semidefinite.de>
+ **/
+
+#include "collectd.h"
+#include "common.h"
+#include "utils_ignorelist.h"
+
+#include <netapp_api.h>
+#include <netapp_errno.h>
+
+#define HAS_ALL_FLAGS(has,needs) (((has) & (needs)) == (needs))
+
+typedef struct host_config_s host_config_t;
+typedef void service_handler_t(host_config_t *host, na_elem_t *result, void *data);
+
+struct cna_interval_s
+{
+ time_t interval;
+ time_t last_read;
+};
+typedef struct cna_interval_s cna_interval_t;
+
+/*! Data types for WAFL statistics {{{
+ *
+ * \brief Persistent data for WAFL performance counters. (a.k.a. cache performance)
+ *
+ * The cache counters use old counter values to calculate a hit ratio for each
+ * counter. The "cfg_wafl_t" struct therefore contains old counter values along
+ * with flags, which are set if the counter is valid.
+ *
+ * The function "cna_handle_wafl_data" will fill a new structure of this kind
+ * with new values, then pass both, new and old data, to "submit_wafl_data".
+ * That function calculates the hit ratios, submits the calculated values and
+ * updates the old counter values for the next iteration.
+ */
+#define CFG_WAFL_NAME_CACHE 0x0001
+#define CFG_WAFL_DIR_CACHE 0x0002
+#define CFG_WAFL_BUF_CACHE 0x0004
+#define CFG_WAFL_INODE_CACHE 0x0008
+#define CFG_WAFL_ALL 0x000F
+#define HAVE_WAFL_NAME_CACHE_HIT 0x0100
+#define HAVE_WAFL_NAME_CACHE_MISS 0x0200
+#define HAVE_WAFL_NAME_CACHE (HAVE_WAFL_NAME_CACHE_HIT | HAVE_WAFL_NAME_CACHE_MISS)
+#define HAVE_WAFL_FIND_DIR_HIT 0x0400
+#define HAVE_WAFL_FIND_DIR_MISS 0x0800
+#define HAVE_WAFL_FIND_DIR (HAVE_WAFL_FIND_DIR_HIT | HAVE_WAFL_FIND_DIR_MISS)
+#define HAVE_WAFL_BUF_HASH_HIT 0x1000
+#define HAVE_WAFL_BUF_HASH_MISS 0x2000
+#define HAVE_WAFL_BUF_HASH (HAVE_WAFL_BUF_HASH_HIT | HAVE_WAFL_BUF_HASH_MISS)
+#define HAVE_WAFL_INODE_CACHE_HIT 0x4000
+#define HAVE_WAFL_INODE_CACHE_MISS 0x8000
+#define HAVE_WAFL_INODE_CACHE (HAVE_WAFL_INODE_CACHE_HIT | HAVE_WAFL_INODE_CACHE_MISS)
+#define HAVE_WAFL_ALL 0xff00
+typedef struct {
+ uint32_t flags;
+ cna_interval_t interval;
+ na_elem_t *query;
+
+ time_t timestamp;
+ uint64_t name_cache_hit;
+ uint64_t name_cache_miss;
+ uint64_t find_dir_hit;
+ uint64_t find_dir_miss;
+ uint64_t buf_hash_hit;
+ uint64_t buf_hash_miss;
+ uint64_t inode_cache_hit;
+ uint64_t inode_cache_miss;
+} cfg_wafl_t;
+/* }}} cfg_wafl_t */
+
+/*! Data types for disk statistics {{{
+ *
+ * \brief A disk in the NetApp.
+ *
+ * A disk doesn't have any more information than its name at the moment.
+ * The name includes the "disk_" prefix.
+ */
+#define HAVE_DISK_BUSY 0x10
+#define HAVE_DISK_BASE 0x20
+#define HAVE_DISK_ALL 0x30
+typedef struct disk_s {
+ char *name;
+ uint32_t flags;
+ time_t timestamp;
+ uint64_t disk_busy;
+ uint64_t base_for_disk_busy;
+ double disk_busy_percent;
+ struct disk_s *next;
+} disk_t;
+
+#define CFG_DISK_BUSIEST 0x01
+#define CFG_DISK_ALL 0x01
+typedef struct {
+ uint32_t flags;
+ cna_interval_t interval;
+ na_elem_t *query;
+ disk_t *disks;
+} cfg_disk_t;
+/* }}} cfg_disk_t */
+
+/*! Data types for volume performance statistics {{{
+ *
+ * \brief Persistent data for volume performance data.
+ *
+ * The code below uses the difference of the operations and latency counters to
+ * calculate an average per-operation latency. For this, old counters need to
+ * be stored in the "data_volume_perf_t" structure. The byte-counters are just
+ * kept for completeness sake. The "flags" member indicates if each counter is
+ * valid or not.
+ *
+ * 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 CFG_VOLUME_PERF_INIT 0x0001
+#define CFG_VOLUME_PERF_IO 0x0002
+#define CFG_VOLUME_PERF_OPS 0x0003
+#define CFG_VOLUME_PERF_LATENCY 0x0008
+#define CFG_VOLUME_PERF_ALL 0x000F
+#define HAVE_VOLUME_PERF_BYTES_READ 0x0010
+#define HAVE_VOLUME_PERF_BYTES_WRITE 0x0020
+#define HAVE_VOLUME_PERF_OPS_READ 0x0040
+#define HAVE_VOLUME_PERF_OPS_WRITE 0x0080
+#define HAVE_VOLUME_PERF_LATENCY_READ 0x0100
+#define HAVE_VOLUME_PERF_LATENCY_WRITE 0x0200
+#define HAVE_VOLUME_PERF_ALL 0x03F0
+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 *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 {{{
+ *
+ * \brief Configuration struct for volume usage data (free / used).
+ */
+#define CFG_VOLUME_USAGE_DF 0x0002
+#define CFG_VOLUME_USAGE_SNAP 0x0004
+#define CFG_VOLUME_USAGE_ALL 0x0006
+#define HAVE_VOLUME_USAGE_NORM_FREE 0x0010
+#define HAVE_VOLUME_USAGE_NORM_USED 0x0020
+#define HAVE_VOLUME_USAGE_SNAP_RSVD 0x0040
+#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;
+ uint64_t snap_used;
+ uint64_t sis_saved;
+
+ data_volume_usage_t *next;
+};
+
+typedef struct {
+ cna_interval_t interval;
+ na_elem_t *query;
+
+ ignorelist_t *il_capacity;
+ ignorelist_t *il_snapshot;
+
+ data_volume_usage_t *volumes;
+} cfg_volume_usage_t;
+/* }}} cfg_volume_usage_t */
+
+/*! Data types for system statistics {{{
+ *
+ * \brief Persistent data for system performance counters
+ */
+#define CFG_SYSTEM_CPU 0x01
+#define CFG_SYSTEM_NET 0x02
+#define CFG_SYSTEM_OPS 0x04
+#define CFG_SYSTEM_DISK 0x08
+#define CFG_SYSTEM_ALL 0x0F
+typedef struct {
+ uint32_t flags;
+ cna_interval_t interval;
+ na_elem_t *query;
+} cfg_system_t;
+/* }}} cfg_system_t */
+
+struct host_config_s {
+ char *name;
+ na_server_transport_t protocol;
+ char *host;
+ int port;
+ char *username;
+ char *password;
+ int interval;
+
+ na_server_t *srv;
+ 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;
+
+ 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
+ *
+ * Used to free the various structures above.
+ */
+static void free_disk (disk_t *disk) /* {{{ */
+{
+ disk_t *next;
+
+ if (disk == NULL)
+ return;
+
+ next = disk->next;
+
+ sfree (disk->name);
+ sfree (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)
+ return;
+
+ if (cfg_disk->query != NULL)
+ na_elem_free (cfg_disk->query);
+
+ free_disk (cfg_disk->disks);
+ 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;
+
+ if (cvu == NULL)
+ return;
+
+ /* Free the ignorelists */
+ ignorelist_free (cvu->il_capacity);
+ ignorelist_free (cvu->il_snapshot);
+
+ /* Free the linked list of volumes */
+ data = cvu->volumes;
+ while (data != NULL)
+ {
+ 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;
+ }
+
+ if (cvu->query != NULL)
+ na_elem_free (cvu->query);
+
+ sfree (cvu);
+} /* }}} void free_cfg_volume_usage */
+
+static void free_cfg_system (cfg_system_t *cs) /* {{{ */
+{
+ if (cs == NULL)
+ return;
+
+ if (cs->query != NULL)
+ na_elem_free (cs->query);
+
+ sfree (cs);
+} /* }}} void free_cfg_system */
+
+static void free_host_config (host_config_t *hc) /* {{{ */
+{
+ host_config_t *next;
+
+ if (hc == NULL)
+ return;
+
+ next = hc->next;
+
+ sfree (hc->name);
+ sfree (hc->host);
+ sfree (hc->username);
+ sfree (hc->password);
+
+ 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);
+
+ if (hc->srv != NULL)
+ na_server_close (hc->srv);
+
+ sfree (hc);
+
+ free_host_config (next);
+} /* }}} void free_host_config */
+
+/*
+ * Auxiliary functions
+ *
+ * Used to look up volumes and disks or to handle flags.
+ */
+static disk_t *get_disk(cfg_disk_t *cd, const char *name) /* {{{ */
+{
+ disk_t *d;
+
+ if ((cd == NULL) || (name == NULL))
+ return (NULL);
+
+ for (d = cd->disks; d != NULL; d = d->next) {
+ if (strcmp(d->name, name) == 0)
+ return d;
+ }
+
+ d = malloc(sizeof(*d));
+ if (d == NULL)
+ return (NULL);
+ memset (d, 0, sizeof (*d));
+ d->next = NULL;
+
+ d->name = strdup(name);
+ if (d->name == NULL) {
+ sfree (d);
+ return (NULL);
+ }
+
+ d->next = cd->disks;
+ cd->disks = d;
+
+ return d;
+} /* }}} disk_t *get_disk */
+
+static data_volume_usage_t *get_volume_usage (cfg_volume_usage_t *cvu, /* {{{ */
+ const char *name)
+{
+ data_volume_usage_t *last;
+ data_volume_usage_t *new;
+
+ int ignore_capacity = 0;
+ int ignore_snapshot = 0;
+
+ if ((cvu == NULL) || (name == NULL))
+ return (NULL);
+
+ last = cvu->volumes;
+ while (last != NULL)
+ {
+ if (strcmp (last->name, name) == 0)
+ return (last);
+
+ if (last->next == NULL)
+ break;
+
+ last = last->next;
+ }
+
+ /* Check the ignorelists. If *both* tell us to ignore a volume, return NULL. */
+ ignore_capacity = ignorelist_match (cvu->il_capacity, name);
+ ignore_snapshot = ignorelist_match (cvu->il_snapshot, name);
+ if ((ignore_capacity != 0) && (ignore_snapshot != 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_capacity == 0)
+ new->flags |= CFG_VOLUME_USAGE_DF;
+ 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)
+ cvu->volumes = new;
+ else
+ last->next = new;
+
+ return (new);
+} /* }}} data_volume_usage_t *get_volume_usage */
+
+static data_volume_perf_t *get_volume_perf (cfg_volume_perf_t *cvp, /* {{{ */
+ const char *name)
+{
+ 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;
+ }
+
+ /* 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.
+ *
+ * They all eventually call "submit_values" which creates a value_list_t and
+ * dispatches it to the daemon.
+ */
+static int submit_values (const char *host, /* {{{ */
+ const char *plugin_inst,
+ const char *type, const char *type_inst,
+ value_t *values, int values_len,
+ time_t timestamp)
+{
+ value_list_t vl = VALUE_LIST_INIT;
+
+ vl.values = values;
+ vl.values_len = values_len;
+
+ if (timestamp > 0)
+ vl.time = timestamp;
+
+ if (host != NULL)
+ sstrncpy (vl.host, host, sizeof (vl.host));
+ else
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "netapp", sizeof (vl.plugin));
+ if (plugin_inst != NULL)
+ sstrncpy (vl.plugin_instance, plugin_inst, sizeof (vl.plugin_instance));
+ sstrncpy (vl.type, type, sizeof (vl.type));
+ if (type_inst != NULL)
+ sstrncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
+
+ return (plugin_dispatch_values (&vl));
+} /* }}} int submit_uint64 */
+
+static int submit_two_counters (const char *host, const char *plugin_inst, /* {{{ */
+ const char *type, const char *type_inst, counter_t val0, counter_t val1,
+ time_t timestamp)
+{
+ value_t values[2];
+
+ values[0].counter = val0;
+ values[1].counter = val1;
+
+ return (submit_values (host, plugin_inst, type, type_inst,
+ values, 2, timestamp));
+} /* }}} int submit_two_counters */
+
+static int submit_counter (const char *host, const char *plugin_inst, /* {{{ */
+ const char *type, const char *type_inst, counter_t counter, time_t timestamp)
+{
+ value_t v;
+
+ v.counter = counter;
+
+ return (submit_values (host, plugin_inst, type, type_inst,
+ &v, 1, timestamp));
+} /* }}} int submit_counter */
+
+static int submit_two_gauge (const char *host, const char *plugin_inst, /* {{{ */
+ const char *type, const char *type_inst, gauge_t val0, gauge_t val1,
+ time_t timestamp)
+{
+ value_t values[2];
+
+ values[0].gauge = val0;
+ values[1].gauge = val1;
+
+ return (submit_values (host, plugin_inst, type, type_inst,
+ values, 2, timestamp));
+} /* }}} int submit_two_gauge */
+
+static int submit_double (const char *host, const char *plugin_inst, /* {{{ */
+ const char *type, const char *type_inst, double d, time_t timestamp)
+{
+ value_t v;
+
+ v.gauge = (gauge_t) d;
+
+ return (submit_values (host, plugin_inst, type, type_inst,
+ &v, 1, timestamp));
+} /* }}} int submit_uint64 */
+
+/* Calculate hit ratio from old and new counters and submit the resulting
+ * percentage. Used by "submit_wafl_data". */
+static int submit_cache_ratio (const char *host, /* {{{ */
+ const char *plugin_inst,
+ const char *type_inst,
+ uint64_t new_hits,
+ uint64_t new_misses,
+ uint64_t old_hits,
+ uint64_t old_misses,
+ time_t timestamp)
+{
+ value_t v;
+
+ if ((new_hits >= old_hits) && (new_misses >= old_misses)) {
+ uint64_t hits;
+ uint64_t misses;
+
+ hits = new_hits - old_hits;
+ misses = new_misses - old_misses;
+
+ v.gauge = 100.0 * ((gauge_t) hits) / ((gauge_t) (hits + misses));
+ } else {
+ v.gauge = NAN;
+ }
+
+ return (submit_values (host, plugin_inst, "cache_ratio", type_inst,
+ &v, 1, timestamp));
+} /* }}} int submit_cache_ratio */
+
+/* Submits all the caches used by WAFL. Uses "submit_cache_ratio". */
+static int submit_wafl_data (const char *hostname, const char *instance, /* {{{ */
+ cfg_wafl_t *old_data, const cfg_wafl_t *new_data)
+{
+ /* Submit requested counters */
+ if (HAS_ALL_FLAGS (old_data->flags, CFG_WAFL_NAME_CACHE | HAVE_WAFL_NAME_CACHE)
+ && HAS_ALL_FLAGS (new_data->flags, HAVE_WAFL_NAME_CACHE))
+ submit_cache_ratio (hostname, instance, "name_cache_hit",
+ new_data->name_cache_hit, new_data->name_cache_miss,
+ old_data->name_cache_hit, old_data->name_cache_miss,
+ new_data->timestamp);
+
+ if (HAS_ALL_FLAGS (old_data->flags, CFG_WAFL_DIR_CACHE | HAVE_WAFL_FIND_DIR)
+ && HAS_ALL_FLAGS (new_data->flags, HAVE_WAFL_FIND_DIR))
+ submit_cache_ratio (hostname, instance, "find_dir_hit",
+ new_data->find_dir_hit, new_data->find_dir_miss,
+ old_data->find_dir_hit, old_data->find_dir_miss,
+ new_data->timestamp);
+
+ if (HAS_ALL_FLAGS (old_data->flags, CFG_WAFL_BUF_CACHE | HAVE_WAFL_BUF_HASH)
+ && HAS_ALL_FLAGS (new_data->flags, HAVE_WAFL_BUF_HASH))
+ submit_cache_ratio (hostname, instance, "buf_hash_hit",
+ new_data->buf_hash_hit, new_data->buf_hash_miss,
+ old_data->buf_hash_hit, old_data->buf_hash_miss,
+ new_data->timestamp);
+
+ if (HAS_ALL_FLAGS (old_data->flags, CFG_WAFL_INODE_CACHE | HAVE_WAFL_INODE_CACHE)
+ && HAS_ALL_FLAGS (new_data->flags, HAVE_WAFL_INODE_CACHE))
+ submit_cache_ratio (hostname, instance, "inode_cache_hit",
+ new_data->inode_cache_hit, new_data->inode_cache_miss,
+ old_data->inode_cache_hit, old_data->inode_cache_miss,
+ new_data->timestamp);
+
+ /* Clear old HAVE_* flags */
+ old_data->flags &= ~HAVE_WAFL_ALL;
+
+ /* Copy all counters */
+ old_data->timestamp = new_data->timestamp;
+ old_data->name_cache_hit = new_data->name_cache_hit;
+ old_data->name_cache_miss = new_data->name_cache_miss;
+ old_data->find_dir_hit = new_data->find_dir_hit;
+ old_data->find_dir_miss = new_data->find_dir_miss;
+ old_data->buf_hash_hit = new_data->buf_hash_hit;
+ old_data->buf_hash_miss = new_data->buf_hash_miss;
+ old_data->inode_cache_hit = new_data->inode_cache_hit;
+ old_data->inode_cache_miss = new_data->inode_cache_miss;
+
+ /* Copy HAVE_* flags */
+ old_data->flags |= (new_data->flags & HAVE_WAFL_ALL);
+
+ return (0);
+} /* }}} int submit_wafl_data */
+
+/* Submits volume performance data to the daemon, taking care to honor and
+ * update flags appropriately. */
+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 (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, 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 (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, 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 (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
+ | HAVE_VOLUME_PERF_LATENCY_READ | HAVE_VOLUME_PERF_LATENCY_WRITE))
+ {
+ gauge_t latency_per_op_read;
+ gauge_t latency_per_op_write;
+
+ latency_per_op_read = NAN;
+ latency_per_op_write = NAN;
+
+ /* Check if a counter wrapped around. */
+ 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 - 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 > 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 - 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 (hostname, plugin_instance, "disk_latency", /* type instance = */ NULL,
+ latency_per_op_read, latency_per_op_write, new_data->timestamp);
+ }
+
+ /* Clear all HAVE_* flags. */
+ old_data->flags &= ~HAVE_VOLUME_PERF_ALL;
+
+ /* Copy all counters */
+ 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 */
+ old_data->flags |= (new_data->flags & HAVE_VOLUME_PERF_ALL);
+
+ return (0);
+} /* }}} int submit_volume_perf_data */
+
+/*
+ * Query functions
+ *
+ * These functions are called with appropriate data returned by the libnetapp
+ * interface which is parsed and submitted with the above functions.
+ */
+/* Data corresponding to <WAFL /> */
+static int cna_handle_wafl_data (const char *hostname, cfg_wafl_t *cfg_wafl, /* {{{ */
+ na_elem_t *data)
+{
+ cfg_wafl_t perf_data;
+ const char *plugin_inst;
+
+ na_elem_t *instances;
+ na_elem_t *counter;
+ na_elem_iter_t counter_iter;
+
+ memset (&perf_data, 0, sizeof (perf_data));
+
+ perf_data.timestamp = (time_t) na_child_get_uint64 (data, "timestamp", 0);
+
+ instances = na_elem_child(na_elem_child (data, "instances"), "instance-data");
+ if (instances == NULL)
+ {
+ ERROR ("netapp plugin: cna_handle_wafl_data: "
+ "na_elem_child (\"instances\") failed.");
+ return (-1);
+ }
+
+ plugin_inst = na_child_get_string(instances, "name");
+ if (plugin_inst == NULL)
+ {
+ ERROR ("netapp plugin: cna_handle_wafl_data: "
+ "na_child_get_string (\"name\") failed.");
+ return (-1);
+ }
+
+ /* Iterate over all counters */
+ counter_iter = na_child_iterator (na_elem_child (instances, "counters"));
+ for (counter = na_iterator_next (&counter_iter);
+ counter != NULL;
+ counter = na_iterator_next (&counter_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, "name_cache_hit")) {
+ perf_data.name_cache_hit = value;
+ perf_data.flags |= HAVE_WAFL_NAME_CACHE_HIT;
+ } else if (!strcmp(name, "name_cache_miss")) {
+ perf_data.name_cache_miss = value;
+ perf_data.flags |= HAVE_WAFL_NAME_CACHE_MISS;
+ } else if (!strcmp(name, "find_dir_hit")) {
+ perf_data.find_dir_hit = value;
+ perf_data.flags |= HAVE_WAFL_FIND_DIR_HIT;
+ } else if (!strcmp(name, "find_dir_miss")) {
+ perf_data.find_dir_miss = value;
+ perf_data.flags |= HAVE_WAFL_FIND_DIR_MISS;
+ } else if (!strcmp(name, "buf_hash_hit")) {
+ perf_data.buf_hash_hit = value;
+ perf_data.flags |= HAVE_WAFL_BUF_HASH_HIT;
+ } else if (!strcmp(name, "buf_hash_miss")) {
+ perf_data.buf_hash_miss = value;
+ perf_data.flags |= HAVE_WAFL_BUF_HASH_MISS;
+ } else if (!strcmp(name, "inode_cache_hit")) {
+ perf_data.inode_cache_hit = value;
+ perf_data.flags |= HAVE_WAFL_INODE_CACHE_HIT;
+ } else if (!strcmp(name, "inode_cache_miss")) {
+ perf_data.inode_cache_miss = value;
+ perf_data.flags |= HAVE_WAFL_INODE_CACHE_MISS;
+ } else {
+ DEBUG("netapp plugin: cna_handle_wafl_data: "
+ "Found unexpected child: %s", name);
+ }
+ }
+
+ return (submit_wafl_data (hostname, plugin_inst, cfg_wafl, &perf_data));
+} /* }}} void cna_handle_wafl_data */
+
+static int cna_setup_wafl (cfg_wafl_t *cw) /* {{{ */
+{
+ na_elem_t *e;
+
+ if (cw == NULL)
+ return (EINVAL);
+
+ if (cw->query != NULL)
+ return (0);
+
+ cw->query = na_elem_new("perf-object-get-instances");
+ if (cw->query == NULL)
+ {
+ ERROR ("netapp plugin: na_elem_new failed.");
+ return (-1);
+ }
+ na_child_add_string (cw->query, "objectname", "wafl");
+
+ e = na_elem_new("counters");
+ if (e == NULL)
+ {
+ na_elem_free (cw->query);
+ cw->query = NULL;
+ 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(cw->query, e);
+
+ return (0);
+} /* }}} int cna_setup_wafl */
+
+static int cna_query_wafl (host_config_t *host) /* {{{ */
+{
+ na_elem_t *data;
+ int status;
+ time_t now;
+
+ if (host == NULL)
+ return (EINVAL);
+
+ /* If WAFL was not configured, return without doing anything. */
+ if (host->cfg_wafl == NULL)
+ return (0);
+
+ now = time (NULL);
+ if ((host->cfg_wafl->interval.interval + host->cfg_wafl->interval.last_read) > now)
+ return (0);
+
+ status = cna_setup_wafl (host->cfg_wafl);
+ if (status != 0)
+ return (status);
+ assert (host->cfg_wafl->query != NULL);
+
+ 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));
+ na_elem_free (data);
+ return (-1);
+ }
+
+ status = cna_handle_wafl_data (host->name, host->cfg_wafl, data);
+
+ if (status == 0)
+ host->cfg_wafl->interval.last_read = now;
+
+ na_elem_free (data);
+ return (status);
+} /* }}} int cna_query_wafl */
+
+/* Data corresponding to <Disks /> */
+static int cna_handle_disk_data (const char *hostname, /* {{{ */
+ cfg_disk_t *cfg_disk, na_elem_t *data)
+{
+ time_t timestamp;
+ na_elem_t *instances;
+ na_elem_t *instance;
+ na_elem_iter_t instance_iter;
+ disk_t *worst_disk = NULL;
+
+ if ((cfg_disk == NULL) || (data == NULL))
+ return (EINVAL);
+
+ timestamp = (time_t) na_child_get_uint64(data, "timestamp", 0);
+
+ instances = na_elem_child (data, "instances");
+ if (instances == NULL)
+ {
+ ERROR ("netapp plugin: cna_handle_disk_data: "
+ "na_elem_child (\"instances\") failed.");
+ return (-1);
+ }
+
+ /* Iterate over all children */
+ instance_iter = na_child_iterator (instances);
+ for (instance = na_iterator_next (&instance_iter);
+ instance != NULL;
+ instance = na_iterator_next(&instance_iter))
+ {
+ disk_t *old_data;
+ disk_t new_data;
+
+ na_elem_iter_t counter_iterator;
+ na_elem_t *counter;
+
+ memset (&new_data, 0, sizeof (new_data));
+ new_data.timestamp = timestamp;
+ new_data.disk_busy_percent = NAN;
+
+ old_data = get_disk(cfg_disk, na_child_get_string (instance, "name"));
+ if (old_data == NULL)
+ continue;
+
+ /* Look for the "disk_busy" and "base_for_disk_busy" counters */
+ counter_iterator = na_child_iterator(na_elem_child(instance, "counters"));
+ for (counter = na_iterator_next(&counter_iterator);
+ counter != NULL;
+ counter = na_iterator_next(&counter_iterator))
+ {
+ 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, "disk_busy") == 0)
+ {
+ new_data.disk_busy = value;
+ new_data.flags |= HAVE_DISK_BUSY;
+ }
+ else if (strcmp(name, "base_for_disk_busy") == 0)
+ {
+ new_data.base_for_disk_busy = value;
+ new_data.flags |= HAVE_DISK_BASE;
+ }
+ else
+ {
+ DEBUG ("netapp plugin: cna_handle_disk_data: "
+ "Counter not handled: %s = %"PRIu64,
+ name, value);
+ }
+ }
+
+ /* If all required counters are available and did not just wrap around,
+ * calculate the busy percentage. Otherwise, the value is initialized to
+ * NAN at the top of the for-loop. */
+ if (HAS_ALL_FLAGS (old_data->flags, HAVE_DISK_BUSY | HAVE_DISK_BASE)
+ && HAS_ALL_FLAGS (new_data.flags, HAVE_DISK_BUSY | HAVE_DISK_BASE)
+ && (new_data.disk_busy >= old_data->disk_busy)
+ && (new_data.base_for_disk_busy > old_data->base_for_disk_busy))
+ {
+ uint64_t busy_diff;
+ uint64_t base_diff;
+
+ busy_diff = new_data.disk_busy - old_data->disk_busy;
+ base_diff = new_data.base_for_disk_busy - old_data->base_for_disk_busy;
+
+ new_data.disk_busy_percent = 100.0
+ * ((gauge_t) busy_diff) / ((gauge_t) base_diff);
+ }
+
+ /* Clear HAVE_* flags */
+ old_data->flags &= ~HAVE_DISK_ALL;
+
+ /* Copy data */
+ old_data->timestamp = new_data.timestamp;
+ old_data->disk_busy = new_data.disk_busy;
+ old_data->base_for_disk_busy = new_data.base_for_disk_busy;
+ old_data->disk_busy_percent = new_data.disk_busy_percent;
+
+ /* Copy flags */
+ old_data->flags |= (new_data.flags & HAVE_DISK_ALL);
+
+ if ((worst_disk == NULL)
+ || (worst_disk->disk_busy_percent < old_data->disk_busy_percent))
+ worst_disk = old_data;
+ } /* for (all disks) */
+
+ if ((cfg_disk->flags & CFG_DISK_BUSIEST) && (worst_disk != NULL))
+ submit_double (hostname, "system", "percent", "disk_busy",
+ worst_disk->disk_busy_percent, timestamp);
+
+ return (0);
+} /* }}} int cna_handle_disk_data */
+
+static int cna_setup_disk (cfg_disk_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", "disk");
+
+ 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, "foo", "disk_busy");
+ na_child_add_string(e, "foo", "base_for_disk_busy");
+ na_child_add(cd->query, e);
+
+ return (0);
+} /* }}} int cna_setup_disk */
+
+static int cna_query_disk (host_config_t *host) /* {{{ */
+{
+ na_elem_t *data;
+ int status;
+ time_t now;
+
+ if (host == NULL)
+ return (EINVAL);
+
+ /* If the user did not configure disk statistics, return without doing
+ * anything. */
+ if (host->cfg_disk == NULL)
+ return (0);
+
+ now = time (NULL);
+ if ((host->cfg_disk->interval.interval + host->cfg_disk->interval.last_read) > now)
+ return (0);
+
+ status = cna_setup_disk (host->cfg_disk);
+ if (status != 0)
+ return (status);
+ assert (host->cfg_disk->query != NULL);
+
+ 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));
+ na_elem_free (data);
+ return (-1);
+ }
+
+ status = cna_handle_disk_data (host->name, host->cfg_disk, data);
+
+ if (status == 0)
+ host->cfg_disk->interval.last_read = now;
+
+ na_elem_free (data);
+ 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.");
+ 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);
+ }
+ /* "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(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: %s",
+ 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)
+{
+ data_volume_usage_t *v;
+
+ 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 = */ plugin_instance,
+ "df_complex", "free",
+ (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 = */ plugin_instance,
+ "df_complex", "used",
+ (double) norm_used, /* timestamp = */ 0);
+
+ if (HAS_ALL_FLAGS (v->flags, HAVE_VOLUME_USAGE_SNAP_RSVD))
+ submit_double (hostname, /* plugin instance = */ plugin_instance,
+ "df_complex", "snap_reserved",
+ (double) snap_reserve_free, /* 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_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;
+ } /* for (v = cfg_volume->volumes) */
+
+ return (0);
+} /* }}} int cna_submit_volume_usage_data */
+
+/* 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;
+ na_elem_t *elem_volumes;
+ na_elem_iter_t iter_volume;
+
+ elem_volumes = na_elem_child (data, "volumes");
+ if (elem_volumes == NULL)
+ {
+ ERROR ("netapp plugin: cna_handle_volume_usage_data: "
+ "na_elem_child (\"volumes\") failed.");
+ return (-1);
+ }
+
+ iter_volume = na_child_iterator (elem_volumes);
+ for (elem_volume = na_iterator_next (&iter_volume);
+ elem_volume != NULL;
+ elem_volume = na_iterator_next (&iter_volume))
+ {
+ const char *volume_name, *state;
+
+ data_volume_usage_t *v;
+ uint64_t value;
+
+ na_elem_t *sis;
+ const char *sis_state;
+ uint64_t sis_saved_reported;
+
+ volume_name = na_child_get_string (elem_volume, "name");
+ 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;
+
+ /* 2^4 exa-bytes? This will take a while ;) */
+ value = na_child_get_uint64(elem_volume, "size-available", UINT64_MAX);
+ if (value != UINT64_MAX) {
+ v->norm_free = value;
+ v->flags |= HAVE_VOLUME_USAGE_NORM_FREE;
+ }
+
+ value = na_child_get_uint64(elem_volume, "size-used", UINT64_MAX);
+ if (value != UINT64_MAX) {
+ v->norm_used = value;
+ v->flags |= HAVE_VOLUME_USAGE_NORM_USED;
+ }
+
+ 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->snap_reserved = 1024 * value;
+ v->flags |= HAVE_VOLUME_USAGE_SNAP_RSVD;
+ }
+
+ sis = na_elem_child(elem_volume, "sis");
+ if (sis == NULL)
+ continue;
+
+ sis_state = na_child_get_string(sis, "state");
+ if (sis_state == NULL)
+ continue;
+
+ /* 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)
+ continue;
+
+ /* size-saved is actually a 32 bit number, so ... time for some guesswork. */
+ if ((sis_saved_reported >> 32) != 0) {
+ /* In case they ever fix this bug. */
+ v->sis_saved = sis_saved_reported;
+ v->flags |= HAVE_VOLUME_USAGE_SIS_SAVED;
+ } else { /* really hacky work-around code. {{{ */
+ uint64_t sis_saved_percent;
+ uint64_t sis_saved_guess;
+ uint64_t overflow_guess;
+ uint64_t guess1, guess2, guess3;
+
+ /* Check if we have v->norm_used. Without it, we cannot calculate
+ * sis_saved_guess. */
+ if ((v->flags & HAVE_VOLUME_USAGE_NORM_USED) == 0)
+ continue;
+
+ sis_saved_percent = na_child_get_uint64(sis, "percentage-saved", UINT64_MAX);
+ if (sis_saved_percent > 100)
+ continue;
+
+ /* The "size-saved" value is a 32bit unsigned integer. This is a bug and
+ * will hopefully be fixed in later versions. To work around the bug, try
+ * to figure out how often the 32bit integer wrapped around by using the
+ * "percentage-saved" value. Because the percentage is in the range
+ * [0-100], this should work as long as the saved space does not exceed
+ * 400 GBytes. */
+ /* percentage-saved = size-saved / (size-saved + size-used) */
+ if (sis_saved_percent < 100)
+ sis_saved_guess = v->norm_used * sis_saved_percent / (100 - sis_saved_percent);
+ else
+ sis_saved_guess = v->norm_used;
+
+ overflow_guess = sis_saved_guess >> 32;
+ guess1 = overflow_guess ? ((overflow_guess - 1) << 32) + sis_saved_reported : sis_saved_reported;
+ guess2 = (overflow_guess << 32) + sis_saved_reported;
+ guess3 = ((overflow_guess + 1) << 32) + sis_saved_reported;
+
+ if (sis_saved_guess < guess2) {
+ if ((sis_saved_guess - guess1) < (guess2 - sis_saved_guess))
+ v->sis_saved = guess1;
+ else
+ v->sis_saved = guess2;
+ } else {
+ if ((sis_saved_guess - guess2) < (guess3 - sis_saved_guess))
+ v->sis_saved = guess2;
+ else
+ v->sis_saved = guess3;
+ }
+ v->flags |= HAVE_VOLUME_USAGE_SIS_SAVED;
+ } /* }}} end of 32-bit workaround */
+ } /* for (elem_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) /* {{{ */
+{
+ if (cvu == NULL)
+ return (EINVAL);
+
+ if (cvu->query != NULL)
+ return (0);
+
+ cvu->query = na_elem_new ("volume-list-info");
+ if (cvu->query == NULL)
+ {
+ ERROR ("netapp plugin: na_elem_new failed.");
+ return (-1);
+ }
+
+ return (0);
+} /* }}} int cna_setup_volume_usage */
+
+static int cna_query_volume_usage (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_usage statistics, return without
+ * doing anything. */
+ if (host->cfg_volume_usage == NULL)
+ return (0);
+
+ now = time (NULL);
+ if ((host->cfg_volume_usage->interval.interval + host->cfg_volume_usage->interval.last_read) > now)
+ return (0);
+
+ status = cna_setup_volume_usage (host->cfg_volume_usage);
+ if (status != 0)
+ return (status);
+ assert (host->cfg_volume_usage->query != NULL);
+
+ 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));
+ na_elem_free (data);
+ return (-1);
+ }
+
+ status = cna_handle_volume_usage_data (host, host->cfg_volume_usage, data);
+
+ if (status == 0)
+ host->cfg_volume_usage->interval.last_read = now;
+
+ na_elem_free (data);
+ return (status);
+} /* }}} int cna_query_volume_usage */
+
+/* Data corresponding to <System /> */
+static int cna_handle_system_data (const char *hostname, /* {{{ */
+ cfg_system_t *cfg_system, na_elem_t *data)
+{
+ na_elem_t *instances;
+ na_elem_t *counter;
+ na_elem_iter_t counter_iter;
+
+ counter_t disk_read = 0, disk_written = 0;
+ counter_t net_recv = 0, net_sent = 0;
+ counter_t cpu_busy = 0, cpu_total = 0;
+ uint32_t counter_flags = 0;
+
+ const char *instance;
+ time_t timestamp;
+
+ timestamp = (time_t) na_child_get_uint64 (data, "timestamp", 0);
+
+ instances = na_elem_child(na_elem_child (data, "instances"), "instance-data");
+ if (instances == NULL)
+ {
+ ERROR ("netapp plugin: cna_handle_system_data: "
+ "na_elem_child (\"instances\") failed.");
+ return (-1);
+ }
+
+ instance = na_child_get_string (instances, "name");
+ if (instance == NULL)
+ {
+ ERROR ("netapp plugin: cna_handle_system_data: "
+ "na_child_get_string (\"name\") failed.");
+ return (-1);
+ }
+
+ counter_iter = na_child_iterator (na_elem_child (instances, "counters"));
+ for (counter = na_iterator_next (&counter_iter);
+ counter != NULL;
+ counter = na_iterator_next (&counter_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, "disk_data_read")) {
+ disk_read = (counter_t) (value * 1024);
+ counter_flags |= 0x01;
+ } else if (!strcmp(name, "disk_data_written")) {
+ disk_written = (counter_t) (value * 1024);
+ counter_flags |= 0x02;
+ } else if (!strcmp(name, "net_data_recv")) {
+ net_recv = (counter_t) (value * 1024);
+ counter_flags |= 0x04;
+ } else if (!strcmp(name, "net_data_sent")) {
+ net_sent = (counter_t) (value * 1024);
+ counter_flags |= 0x08;
+ } else if (!strcmp(name, "cpu_busy")) {
+ cpu_busy = (counter_t) value;
+ counter_flags |= 0x10;
+ } else if (!strcmp(name, "cpu_elapsed_time")) {
+ cpu_total = (counter_t) value;
+ counter_flags |= 0x20;
+ } else if ((cfg_system->flags & CFG_SYSTEM_OPS)
+ && (value > 0) && (strlen(name) > 4)
+ && (!strcmp(name + strlen(name) - 4, "_ops"))) {
+ submit_counter (hostname, instance, "disk_ops_complex", name,
+ (counter_t) value, timestamp);
+ }
+ } /* for (counter) */
+
+ if ((cfg_system->flags & CFG_SYSTEM_DISK)
+ && (HAS_ALL_FLAGS (counter_flags, 0x01 | 0x02)))
+ submit_two_counters (hostname, instance, "disk_octets", NULL,
+ disk_read, disk_written, timestamp);
+
+ if ((cfg_system->flags & CFG_SYSTEM_NET)
+ && (HAS_ALL_FLAGS (counter_flags, 0x04 | 0x08)))
+ submit_two_counters (hostname, instance, "if_octets", NULL,
+ net_recv, net_sent, timestamp);
+
+ if ((cfg_system->flags & CFG_SYSTEM_CPU)
+ && (HAS_ALL_FLAGS (counter_flags, 0x10 | 0x20)))
+ {
+ submit_counter (hostname, instance, "cpu", "system",
+ cpu_busy, timestamp);
+ submit_counter (hostname, instance, "cpu", "idle",
+ cpu_total - cpu_busy, timestamp);
+ }
+
+ return (0);
+} /* }}} int cna_handle_system_data */
+
+static int cna_setup_system (cfg_system_t *cs) /* {{{ */
+{
+ if (cs == NULL)
+ return (EINVAL);
+
+ if (cs->query != NULL)
+ return (0);
+
+ cs->query = na_elem_new ("perf-object-get-instances");
+ if (cs->query == NULL)
+ {
+ ERROR ("netapp plugin: na_elem_new failed.");
+ return (-1);
+ }
+ na_child_add_string (cs->query, "objectname", "system");
+
+ return (0);
+} /* }}} int cna_setup_system */
+
+static int cna_query_system (host_config_t *host) /* {{{ */
+{
+ na_elem_t *data;
+ int status;
+ time_t now;
+
+ if (host == NULL)
+ return (EINVAL);
+
+ /* If system statistics were not configured, return without doing anything. */
+ if (host->cfg_system == NULL)
+ return (0);
+
+ now = time (NULL);
+ if ((host->cfg_system->interval.interval + host->cfg_system->interval.last_read) > now)
+ return (0);
+
+ status = cna_setup_system (host->cfg_system);
+ if (status != 0)
+ return (status);
+ assert (host->cfg_system->query != NULL);
+
+ 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));
+ na_elem_free (data);
+ return (-1);
+ }
+
+ status = cna_handle_system_data (host->name, host->cfg_system, data);
+
+ if (status == 0)
+ host->cfg_system->interval.last_read = now;
+
+ na_elem_free (data);
+ return (status);
+} /* }}} int cna_query_system */
+
+/*
+ * Configuration handling
+ */
+/* Sets a given flag if the boolean argument is true and unsets the flag if it
+ * is false. On error, the flag-field is not changed. */
+static int cna_config_bool_to_flag (const oconfig_item_t *ci, /* {{{ */
+ uint32_t *flags, uint32_t flag)
+{
+ if ((ci == NULL) || (flags == NULL))
+ return (EINVAL);
+
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN))
+ {
+ WARNING ("netapp plugin: The %s option needs exactly one boolean argument.",
+ ci->key);
+ return (-1);
+ }
+
+ if (ci->values[0].value.boolean)
+ *flags |= flag;
+ else
+ *flags &= ~flag;
+
+ return (0);
+} /* }}} int cna_config_bool_to_flag */
+
+/* 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)
+{
+ time_t tmp;
+
+ if ((ci == NULL) || (out_interval == NULL))
+ return (EINVAL);
+
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
+ {
+ 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 `Interval' option needs a positive integer argument.");
+ return (-1);
+ }
+
+ out_interval->interval = tmp;
+ out_interval->last_read = 0;
+
+ return (0);
+} /* }}} int cna_config_get_interval */
+
+/* Handling of the "GetIO", "GetOps" and "GetLatency" options within a
+ * <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;
+
+ if ((host == NULL) || (ci == NULL))
+ return (EINVAL);
+
+ 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));
+
+ /* Set default flags */
+ cfg_volume_perf->query = NULL;
+ cfg_volume_perf->volumes = NULL;
+
+ cfg_volume_perf->il_octets = ignorelist_create (/* invert = */ 1);
+ if (cfg_volume_perf->il_octets == NULL)
+ {
+ sfree (cfg_volume_perf);
+ return (ENOMEM);
+ }
+
+ 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);
+ }
+
+ host->cfg_volume_perf = cfg_volume_perf;
+ }
+ cfg_volume_perf = host->cfg_volume_perf;
+
+ 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, "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);
+ }
+
+ 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)
+{
+ 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 ("GetCapacity", ci->key) == 0)
+ il = cvu->il_capacity;
+ else if (strcasecmp ("GetSnapshot", ci->key) == 0)
+ il = cvu->il_snapshot;
+ else
+ return;
+
+ ignorelist_add (il, name);
+} /* }}} void cna_config_volume_usage_option */
+
+/* Handling of the "IgnoreSelectedCapacity" and "IgnoreSelectedSnapshot"
+ * options within a <VolumeUsage /> block. */
+static void cna_config_volume_usage_default (cfg_volume_usage_t *cvu, /* {{{ */
+ 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 ("IgnoreSelectedCapacity", ci->key) == 0)
+ il = cvu->il_capacity;
+ else if (strcasecmp ("IgnoreSelectedSnapshot", ci->key) == 0)
+ il = cvu->il_snapshot;
+ 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_usage_default */
+
+/* Corresponds to a <Disks /> block */
+static int cna_config_disk(host_config_t *host, oconfig_item_t *ci) { /* {{{ */
+ cfg_disk_t *cfg_disk;
+ int i;
+
+ if ((host == NULL) || (ci == NULL))
+ return (EINVAL);
+
+ if (host->cfg_disk == NULL)
+ {
+ cfg_disk = malloc (sizeof (*cfg_disk));
+ if (cfg_disk == NULL)
+ return (ENOMEM);
+ memset (cfg_disk, 0, sizeof (*cfg_disk));
+
+ /* Set default flags */
+ cfg_disk->flags = CFG_DISK_ALL;
+ cfg_disk->query = NULL;
+ cfg_disk->disks = NULL;
+
+ host->cfg_disk = cfg_disk;
+ }
+ cfg_disk = host->cfg_disk;
+
+ 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, "Interval") == 0)
+ cna_config_get_interval (item, &cfg_disk->interval);
+ else if (strcasecmp(item->key, "GetBusy") == 0)
+ cna_config_bool_to_flag (item, &cfg_disk->flags, CFG_DISK_BUSIEST);
+ }
+
+ if ((cfg_disk->flags & CFG_DISK_ALL) == 0)
+ {
+ NOTICE ("netapp plugin: All disk related values have been disabled. "
+ "Collection of per-disk data will be disabled entirely.");
+ free_cfg_disk (host->cfg_disk);
+ host->cfg_disk = NULL;
+ }
+
+ return (0);
+} /* }}} int cna_config_disk */
+
+/* Corresponds to a <WAFL /> block */
+static int cna_config_wafl(host_config_t *host, oconfig_item_t *ci) /* {{{ */
+{
+ cfg_wafl_t *cfg_wafl;
+ int i;
+
+ if ((host == NULL) || (ci == NULL))
+ return (EINVAL);
+
+ if (host->cfg_wafl == NULL)
+ {
+ cfg_wafl = malloc (sizeof (*cfg_wafl));
+ if (cfg_wafl == NULL)
+ return (ENOMEM);
+ memset (cfg_wafl, 0, sizeof (*cfg_wafl));
+
+ /* Set default flags */
+ cfg_wafl->flags = CFG_WAFL_ALL;
+
+ host->cfg_wafl = cfg_wafl;
+ }
+ cfg_wafl = host->cfg_wafl;
+
+ for (i = 0; i < ci->children_num; ++i) {
+ oconfig_item_t *item = ci->children + i;
+
+ if (strcasecmp(item->key, "Interval") == 0)
+ cna_config_get_interval (item, &cfg_wafl->interval);
+ else if (!strcasecmp(item->key, "GetNameCache"))
+ cna_config_bool_to_flag (item, &cfg_wafl->flags, CFG_WAFL_NAME_CACHE);
+ else if (!strcasecmp(item->key, "GetDirCache"))
+ cna_config_bool_to_flag (item, &cfg_wafl->flags, CFG_WAFL_DIR_CACHE);
+ else if (!strcasecmp(item->key, "GetBufferCache"))
+ cna_config_bool_to_flag (item, &cfg_wafl->flags, CFG_WAFL_BUF_CACHE);
+ else if (!strcasecmp(item->key, "GetInodeCache"))
+ cna_config_bool_to_flag (item, &cfg_wafl->flags, CFG_WAFL_INODE_CACHE);
+ else
+ WARNING ("netapp plugin: The %s config option is not allowed within "
+ "`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 */
+
+/*
+ * <VolumeUsage>
+ * GetCapacity "vol0"
+ * GetCapacity "vol1"
+ * GetCapacity "vol2"
+ * GetCapacity "vol3"
+ * GetCapacity "vol4"
+ * IgnoreSelectedCapacity false
+ *
+ * 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, /* {{{ */
+ const oconfig_item_t *ci)
+{
+ cfg_volume_usage_t *cfg_volume_usage;
+ int i;
+
+ if ((host == NULL) || (ci == NULL))
+ return (EINVAL);
+
+ if (host->cfg_volume_usage == NULL)
+ {
+ cfg_volume_usage = malloc (sizeof (*cfg_volume_usage));
+ if (cfg_volume_usage == NULL)
+ return (ENOMEM);
+ memset (cfg_volume_usage, 0, sizeof (*cfg_volume_usage));
+
+ /* Set default flags */
+ cfg_volume_usage->query = NULL;
+ cfg_volume_usage->volumes = NULL;
+
+ cfg_volume_usage->il_capacity = ignorelist_create (/* invert = */ 1);
+ if (cfg_volume_usage->il_capacity == NULL)
+ {
+ sfree (cfg_volume_usage);
+ return (ENOMEM);
+ }
+
+ cfg_volume_usage->il_snapshot = ignorelist_create (/* invert = */ 1);
+ if (cfg_volume_usage->il_snapshot == NULL)
+ {
+ ignorelist_free (cfg_volume_usage->il_capacity);
+ sfree (cfg_volume_usage);
+ return (ENOMEM);
+ }
+
+ host->cfg_volume_usage = cfg_volume_usage;
+ }
+ cfg_volume_usage = host->cfg_volume_usage;
+
+ 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, "Interval") == 0)
+ cna_config_get_interval (item, &cfg_volume_usage->interval);
+ else if (!strcasecmp(item->key, "GetCapacity"))
+ cna_config_volume_usage_option (cfg_volume_usage, item);
+ 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);
+} /* }}} int cna_config_volume_usage */
+
+/* Corresponds to a <System /> block */
+static int cna_config_system (host_config_t *host, /* {{{ */
+ oconfig_item_t *ci)
+{
+ cfg_system_t *cfg_system;
+ int i;
+
+ if ((host == NULL) || (ci == NULL))
+ return (EINVAL);
+
+ if (host->cfg_system == NULL)
+ {
+ cfg_system = malloc (sizeof (*cfg_system));
+ if (cfg_system == NULL)
+ return (ENOMEM);
+ memset (cfg_system, 0, sizeof (*cfg_system));
+
+ /* Set default flags */
+ cfg_system->flags = CFG_SYSTEM_ALL;
+ cfg_system->query = NULL;
+
+ host->cfg_system = cfg_system;
+ }
+ cfg_system = host->cfg_system;
+
+ for (i = 0; i < ci->children_num; ++i) {
+ oconfig_item_t *item = ci->children + i;
+
+ if (strcasecmp(item->key, "Interval") == 0) {
+ cna_config_get_interval (item, &cfg_system->interval);
+ } else if (!strcasecmp(item->key, "GetCPULoad")) {
+ cna_config_bool_to_flag (item, &cfg_system->flags, CFG_SYSTEM_CPU);
+ } else if (!strcasecmp(item->key, "GetInterfaces")) {
+ cna_config_bool_to_flag (item, &cfg_system->flags, CFG_SYSTEM_NET);
+ } else if (!strcasecmp(item->key, "GetDiskOps")) {
+ cna_config_bool_to_flag (item, &cfg_system->flags, CFG_SYSTEM_OPS);
+ } else if (!strcasecmp(item->key, "GetDiskIO")) {
+ cna_config_bool_to_flag (item, &cfg_system->flags, CFG_SYSTEM_DISK);
+ } else {
+ WARNING ("netapp plugin: The %s config option is not allowed within "
+ "`System' blocks.", item->key);
+ }
+ }
+
+ if ((cfg_system->flags & CFG_SYSTEM_ALL) == 0)
+ {
+ NOTICE ("netapp plugin: All system related values have been disabled. "
+ "Collection of system data will be disabled entirely.");
+ free_cfg_system (host->cfg_system);
+ host->cfg_system = NULL;
+ }
+
+ return (0);
+} /* }}} 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)
+{
+ oconfig_item_t *item;
+ host_config_t *host;
+ int status;
+ int i;
+
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ WARNING("netapp plugin: \"Host\" needs exactly one string argument. Ignoring host block.");
+ return 0;
+ }
+
+ host = malloc(sizeof(*host));
+ memcpy (host, default_host, sizeof (*host));
+
+ status = cf_util_get_string (ci, &host->name);
+ if (status != 0)
+ {
+ sfree (host);
+ return (NULL);
+ }
+
+ for (i = 0; i < ci->children_num; ++i) {
+ item = ci->children + i;
+
+ status = 0;
+
+ if (!strcasecmp(item->key, "Address")) {
+ status = cf_util_get_string (item, &host->host);
+ } else if (!strcasecmp(item->key, "Port")) {
+ int tmp;
+
+ tmp = cf_util_get_port_number (item);
+ if (tmp > 0)
+ host->port = tmp;
+ } else if (!strcasecmp(item->key, "Protocol")) {
+ if ((item->values_num != 1) || (item->values[0].type != OCONFIG_TYPE_STRING) || (strcasecmp(item->values[0].value.string, "http") && strcasecmp(item->values[0].value.string, "https"))) {
+ WARNING("netapp plugin: \"Protocol\" needs to be either \"http\" or \"https\". Ignoring host block \"%s\".", ci->values[0].value.string);
+ return 0;
+ }
+ if (!strcasecmp(item->values[0].value.string, "http")) host->protocol = NA_SERVER_TRANSPORT_HTTP;
+ else host->protocol = NA_SERVER_TRANSPORT_HTTPS;
+ } else if (!strcasecmp(item->key, "User")) {
+ status = cf_util_get_string (item, &host->username);
+ } else if (!strcasecmp(item->key, "Password")) {
+ status = cf_util_get_string (item, &host->password);
+ } else if (!strcasecmp(item->key, "Interval")) {
+ if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_NUMBER || item->values[0].value.number != (int) item->values[0].value.number || item->values[0].value.number < 2) {
+ WARNING("netapp plugin: \"Interval\" of host %s needs exactly one integer argument.", ci->values[0].value.string);
+ continue;
+ }
+ host->interval = item->values[0].value.number;
+ } else if (!strcasecmp(item->key, "WAFL")) {
+ cna_config_wafl(host, item);
+ } else if (!strcasecmp(item->key, "Disks")) {
+ cna_config_disk(host, item);
+ } 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);
+ } else {
+ WARNING("netapp plugin: Ignoring unknown config option \"%s\" in host block \"%s\".",
+ item->key, ci->values[0].value.string);
+ }
+
+ if (status != 0)
+ break;
+ }
+
+ if (host->host == NULL)
+ host->host = strdup (host->name);
+
+ if (host->host == NULL)
+ status = -1;
+
+ if (host->port <= 0)
+ host->port = (host->protocol == NA_SERVER_TRANSPORT_HTTP) ? 80 : 443;
+
+ if ((host->username == NULL) || (host->password == NULL)) {
+ WARNING("netapp plugin: Please supply login information for host \"%s\". "
+ "Ignoring host block.", host->name);
+ status = -1;
+ }
+
+ if (status != 0)
+ {
+ free_host_config (host);
+ return (NULL);
+ }
+
+ return host;
+} /* }}} host_config_t *cna_config_host */
+
+/*
+ * Callbacks registered with the daemon
+ *
+ * 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;
+ }
+
+ memset (err, 0, sizeof (err));
+ if (!na_startup(err, sizeof(err))) {
+ err[sizeof (err) - 1] = 0;
+ ERROR("netapp plugin: Error initializing netapp API: %s", err);
+ 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;
+ }
+
+ 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 */);
+ }
+ return 0;
+} /* }}} int cna_init */
+
+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")) {
+ host_config_t *host;
+ host_config_t *tmp;
+
+ host = cna_config_host(item, &default_host);
+ 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);
+
+ if (tmp->next == NULL)
+ break;
+ }
+
+ host->next = NULL;
+ if (tmp == NULL)
+ global_host_config = host;
+ else
+ tmp->next = host;
+ } else {
+ 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) /* {{{ */
+{
+ 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 : */
projects / collectd.git / commitdiff