2 * collectd - src/write_mongodb.c
3 * Copyright (C) 2010-2013 Florian Forster
4 * Copyright (C) 2010 Akkarit Sangpetch
5 * Copyright (C) 2012 Chris Lundquist
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
26 * Florian Forster <octo at collectd.org>
27 * Akkarit Sangpetch <asangpet at andrew.cmu.edu>
28 * Chris Lundquist <clundquist at bluebox.net>
35 #include "utils_cache.h"
38 # define MONGO_HAVE_STDINT 1
40 # define MONGO_USE_LONG_LONG_INT 1
44 #if (MONGO_MAJOR == 0) && (MONGO_MINOR < 8)
45 # define bson_alloc() bson_create()
46 # define bson_dealloc(b) bson_dispose(b)
51 char name[DATA_MAX_NAME_LEN];
57 /* Authentication information */
67 typedef struct wm_node_s wm_node_t;
72 static bson *wm_create_bson (const data_set_t *ds, /* {{{ */
73 const value_list_t *vl,
79 ret = bson_alloc (); /* matched by bson_dealloc() */
82 ERROR ("write_mongodb plugin: bson_create failed.");
88 rates = uc_get_rate (ds, vl);
91 ERROR ("write_mongodb plugin: uc_get_rate() failed.");
100 bson_init (ret); /* matched by bson_destroy() */
101 bson_append_date (ret, "time", (bson_date_t) CDTIME_T_TO_MS (vl->time));
102 bson_append_string (ret, "host", vl->host);
103 bson_append_string (ret, "plugin", vl->plugin);
104 bson_append_string (ret, "plugin_instance", vl->plugin_instance);
105 bson_append_string (ret, "type", vl->type);
106 bson_append_string (ret, "type_instance", vl->type_instance);
108 bson_append_start_array (ret, "values"); /* {{{ */
109 for (int i = 0; i < ds->ds_num; i++)
113 ssnprintf (key, sizeof (key), "%i", i);
115 if (ds->ds[i].type == DS_TYPE_GAUGE)
116 bson_append_double(ret, key, vl->values[i].gauge);
117 else if (store_rates)
118 bson_append_double(ret, key, (double) rates[i]);
119 else if (ds->ds[i].type == DS_TYPE_COUNTER)
120 bson_append_long(ret, key, vl->values[i].counter);
121 else if (ds->ds[i].type == DS_TYPE_DERIVE)
122 bson_append_long(ret, key, vl->values[i].derive);
123 else if (ds->ds[i].type == DS_TYPE_ABSOLUTE)
124 bson_append_long(ret, key, vl->values[i].absolute);
128 bson_append_finish_array (ret); /* }}} values */
130 bson_append_start_array (ret, "dstypes"); /* {{{ */
131 for (int i = 0; i < ds->ds_num; i++)
135 ssnprintf (key, sizeof (key), "%i", i);
138 bson_append_string (ret, key, "gauge");
140 bson_append_string (ret, key, DS_TYPE_TO_STRING (ds->ds[i].type));
142 bson_append_finish_array (ret); /* }}} dstypes */
144 bson_append_start_array (ret, "dsnames"); /* {{{ */
145 for (int i = 0; i < ds->ds_num; i++)
149 ssnprintf (key, sizeof (key), "%i", i);
150 bson_append_string (ret, key, ds->ds[i].name);
152 bson_append_finish_array (ret); /* }}} dsnames */
158 } /* }}} bson *wm_create_bson */
160 static int wm_write (const data_set_t *ds, /* {{{ */
161 const value_list_t *vl,
164 wm_node_t *node = ud->data;
165 char collection_name[512];
169 ssnprintf (collection_name, sizeof (collection_name), "collectd.%s",
172 bson_record = wm_create_bson (ds, vl, node->store_rates);
173 if (bson_record == NULL)
176 pthread_mutex_lock (&node->lock);
178 if (!mongo_is_connected (node->conn))
180 INFO ("write_mongodb plugin: Connecting to [%s]:%i",
181 (node->host != NULL) ? node->host : "localhost",
182 (node->port != 0) ? node->port : MONGO_DEFAULT_PORT);
183 status = mongo_connect (node->conn, node->host, node->port);
184 if (status != MONGO_OK) {
185 ERROR ("write_mongodb plugin: Connecting to [%s]:%i failed.",
186 (node->host != NULL) ? node->host : "localhost",
187 (node->port != 0) ? node->port : MONGO_DEFAULT_PORT);
188 mongo_destroy (node->conn);
189 pthread_mutex_unlock (&node->lock);
193 if ((node->db != NULL) && (node->user != NULL) && (node->passwd != NULL))
195 status = mongo_cmd_authenticate (node->conn,
196 node->db, node->user, node->passwd);
197 if (status != MONGO_OK)
199 ERROR ("write_mongodb plugin: Authenticating to [%s]%i for database "
200 "\"%s\" as user \"%s\" failed.",
201 (node->host != NULL) ? node->host : "localhost",
202 (node->port != 0) ? node->port : MONGO_DEFAULT_PORT,
203 node->db, node->user);
204 mongo_destroy (node->conn);
205 pthread_mutex_unlock (&node->lock);
210 if (node->timeout > 0) {
211 status = mongo_set_op_timeout (node->conn, node->timeout);
212 if (status != MONGO_OK) {
213 WARNING ("write_mongodb plugin: mongo_set_op_timeout(%i) failed: %s",
214 node->timeout, node->conn->errstr);
219 /* Assert if the connection has been established */
220 assert (mongo_is_connected (node->conn));
223 /* There was an API change in 0.6.0 as linked below */
224 /* https://github.com/mongodb/mongo-c-driver/blob/master/HISTORY.md */
225 status = mongo_insert (node->conn, collection_name, bson_record, NULL);
227 status = mongo_insert (node->conn, collection_name, bson_record);
230 if (status != MONGO_OK)
232 ERROR ( "write_mongodb plugin: error inserting record: %d", node->conn->err);
233 if (node->conn->err != MONGO_BSON_INVALID)
234 ERROR ("write_mongodb plugin: %s", node->conn->errstr);
236 ERROR ("write_mongodb plugin: Invalid BSON structure, error = %#x",
237 (unsigned int) bson_record->err);
239 /* Disconnect except on data errors. */
240 if ((node->conn->err != MONGO_BSON_INVALID)
241 && (node->conn->err != MONGO_BSON_NOT_FINISHED))
242 mongo_destroy (node->conn);
245 pthread_mutex_unlock (&node->lock);
247 /* free our resource as not to leak memory */
248 bson_destroy (bson_record); /* matches bson_init() */
249 bson_dealloc (bson_record); /* matches bson_alloc() */
252 } /* }}} int wm_write */
254 static void wm_config_free (void *ptr) /* {{{ */
256 wm_node_t *node = ptr;
261 if (mongo_is_connected (node->conn))
262 mongo_destroy (node->conn);
266 } /* }}} void wm_config_free */
268 static int wm_config_node (oconfig_item_t *ci) /* {{{ */
273 node = calloc (1, sizeof (*node));
276 mongo_init (node->conn);
278 node->store_rates = 1;
279 pthread_mutex_init (&node->lock, /* attr = */ NULL);
281 status = cf_util_get_string_buffer (ci, node->name, sizeof (node->name));
289 for (int i = 0; i < ci->children_num; i++)
291 oconfig_item_t *child = ci->children + i;
293 if (strcasecmp ("Host", child->key) == 0)
294 status = cf_util_get_string (child, &node->host);
295 else if (strcasecmp ("Port", child->key) == 0)
297 status = cf_util_get_port_number (child);
304 else if (strcasecmp ("Timeout", child->key) == 0)
305 status = cf_util_get_int (child, &node->timeout);
306 else if (strcasecmp ("StoreRates", child->key) == 0)
307 status = cf_util_get_boolean (child, &node->store_rates);
308 else if (strcasecmp ("Database", child->key) == 0)
309 status = cf_util_get_string (child, &node->db);
310 else if (strcasecmp ("User", child->key) == 0)
311 status = cf_util_get_string (child, &node->user);
312 else if (strcasecmp ("Password", child->key) == 0)
313 status = cf_util_get_string (child, &node->passwd);
315 WARNING ("write_mongodb plugin: Ignoring unknown config option \"%s\".",
320 } /* for (i = 0; i < ci->children_num; i++) */
322 if ((node->db != NULL) || (node->user != NULL) || (node->passwd != NULL))
324 if ((node->db == NULL) || (node->user == NULL) || (node->passwd == NULL))
326 WARNING ("write_mongodb plugin: Authentication requires the "
327 "\"Database\", \"User\" and \"Password\" options to be specified, "
328 "but at last one of them is missing. Authentication will NOT be "
332 sfree (node->passwd);
338 char cb_name[DATA_MAX_NAME_LEN];
340 ssnprintf (cb_name, sizeof (cb_name), "write_mongodb/%s", node->name);
344 .free_func = wm_config_free
347 status = plugin_register_write (cb_name, wm_write, &ud);
348 INFO ("write_mongodb plugin: registered write plugin %s %d",cb_name,status);
352 wm_config_free (node);
355 } /* }}} int wm_config_node */
357 static int wm_config (oconfig_item_t *ci) /* {{{ */
359 for (int i = 0; i < ci->children_num; i++)
361 oconfig_item_t *child = ci->children + i;
363 if (strcasecmp ("Node", child->key) == 0)
364 wm_config_node (child);
366 WARNING ("write_mongodb plugin: Ignoring unknown "
367 "configuration option \"%s\" at top level.", child->key);
371 } /* }}} int wm_config */
373 void module_register (void)
375 plugin_register_complex_config ("write_mongodb", wm_config);
378 /* vim: set sw=2 sts=2 tw=78 et fdm=marker : */