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>
34 #include "configfile.h"
35 #include "utils_cache.h"
40 # define MONGO_HAVE_STDINT 1
42 # define MONGO_USE_LONG_LONG_INT 1
48 char name[DATA_MAX_NAME_LEN];
54 /* Authentication information */
64 typedef struct wm_node_s wm_node_t;
69 static bson *wm_create_bson (const data_set_t *ds, /* {{{ */
70 const value_list_t *vl,
80 ERROR ("write_mongodb plugin: bson_create failed.");
86 rates = uc_get_rate (ds, vl);
89 ERROR ("write_mongodb plugin: uc_get_rate() failed.");
99 bson_append_date (ret, "time", (bson_date_t) CDTIME_T_TO_MS (vl->time));
100 bson_append_string (ret, "host", vl->host);
101 bson_append_string (ret, "plugin", vl->plugin);
102 bson_append_string (ret, "plugin_instance", vl->plugin_instance);
103 bson_append_string (ret, "type", vl->type);
104 bson_append_string (ret, "type_instance", vl->type_instance);
106 bson_append_start_array (ret, "values"); /* {{{ */
107 for (i = 0; i < ds->ds_num; i++)
111 ssnprintf (key, sizeof (key), "%i", i);
113 if (ds->ds[i].type == DS_TYPE_GAUGE)
114 bson_append_double(ret, key, vl->values[i].gauge);
115 else if (store_rates)
116 bson_append_double(ret, key, (double) rates[i]);
117 else if (ds->ds[i].type == DS_TYPE_COUNTER)
118 bson_append_long(ret, key, vl->values[i].counter);
119 else if (ds->ds[i].type == DS_TYPE_DERIVE)
120 bson_append_long(ret, key, vl->values[i].derive);
121 else if (ds->ds[i].type == DS_TYPE_ABSOLUTE)
122 bson_append_long(ret, key, vl->values[i].absolute);
126 bson_append_finish_array (ret); /* }}} values */
128 bson_append_start_array (ret, "dstypes"); /* {{{ */
129 for (i = 0; i < ds->ds_num; i++)
133 ssnprintf (key, sizeof (key), "%i", i);
136 bson_append_string (ret, key, "gauge");
138 bson_append_string (ret, key, DS_TYPE_TO_STRING (ds->ds[i].type));
140 bson_append_finish_array (ret); /* }}} dstypes */
142 bson_append_start_array (ret, "dsnames"); /* {{{ */
143 for (i = 0; i < ds->ds_num; i++)
147 ssnprintf (key, sizeof (key), "%i", i);
148 bson_append_string (ret, key, ds->ds[i].name);
150 bson_append_finish_array (ret); /* }}} dsnames */
156 } /* }}} bson *wm_create_bson */
158 static int wm_write (const data_set_t *ds, /* {{{ */
159 const value_list_t *vl,
162 wm_node_t *node = ud->data;
163 char collection_name[512];
167 ssnprintf (collection_name, sizeof (collection_name), "collectd.%s",
170 bson_record = wm_create_bson (ds, vl, node->store_rates);
171 if (bson_record == NULL)
174 pthread_mutex_lock (&node->lock);
176 if (!mongo_is_connected (node->conn))
178 INFO ("write_mongodb plugin: Connecting to [%s]:%i",
179 (node->host != NULL) ? node->host : "localhost",
180 (node->port != 0) ? node->port : MONGO_DEFAULT_PORT);
181 status = mongo_connect (node->conn, node->host, node->port);
182 if (status != MONGO_OK) {
183 ERROR ("write_mongodb plugin: Connecting to [%s]:%i failed.",
184 (node->host != NULL) ? node->host : "localhost",
185 (node->port != 0) ? node->port : MONGO_DEFAULT_PORT);
186 mongo_destroy (node->conn);
187 pthread_mutex_unlock (&node->lock);
191 if ((node->db != NULL) && (node->user != NULL) && (node->passwd != NULL))
193 status = mongo_cmd_authenticate (node->conn,
194 node->db, node->user, node->passwd);
195 if (status != MONGO_OK)
197 ERROR ("write_mongodb plugin: Authenticating to [%s]%i for database "
198 "\"%s\" as user \"%s\" failed.",
199 (node->host != NULL) ? node->host : "localhost",
200 (node->port != 0) ? node->port : MONGO_DEFAULT_PORT,
201 node->db, node->user);
202 mongo_destroy (node->conn);
203 pthread_mutex_unlock (&node->lock);
208 if (node->timeout > 0) {
209 status = mongo_set_op_timeout (node->conn, node->timeout);
210 if (status != MONGO_OK) {
211 WARNING ("write_mongodb plugin: mongo_set_op_timeout(%i) failed: %s",
212 node->timeout, node->conn->errstr);
217 /* Assert if the connection has been established */
218 assert (mongo_is_connected (node->conn));
221 /* There was an API change in 0.6.0 as linked below */
222 /* https://github.com/mongodb/mongo-c-driver/blob/master/HISTORY.md */
223 status = mongo_insert (node->conn, collection_name, bson_record, NULL);
225 status = mongo_insert (node->conn, collection_name, bson_record);
228 if (status != MONGO_OK)
230 ERROR ( "write_mongodb plugin: error inserting record: %d", node->conn->err);
231 if (node->conn->err != MONGO_BSON_INVALID)
232 ERROR ("write_mongodb plugin: %s", node->conn->errstr);
234 ERROR ("write_mongodb plugin: Invalid BSON structure, error = %#x",
235 (unsigned int) bson_record->err);
237 /* Disconnect except on data errors. */
238 if ((node->conn->err != MONGO_BSON_INVALID)
239 && (node->conn->err != MONGO_BSON_NOT_FINISHED))
240 mongo_destroy (node->conn);
243 pthread_mutex_unlock (&node->lock);
245 /* free our resource as not to leak memory */
246 bson_dispose (bson_record);
249 } /* }}} int wm_write */
251 static void wm_config_free (void *ptr) /* {{{ */
253 wm_node_t *node = ptr;
258 if (mongo_is_connected (node->conn))
259 mongo_destroy (node->conn);
263 } /* }}} void wm_config_free */
265 static int wm_config_node (oconfig_item_t *ci) /* {{{ */
271 node = malloc (sizeof (*node));
274 memset (node, 0, sizeof (*node));
275 mongo_init (node->conn);
277 node->store_rates = 1;
278 pthread_mutex_init (&node->lock, /* attr = */ NULL);
280 status = cf_util_get_string_buffer (ci, node->name, sizeof (node->name));
288 for (i = 0; i < ci->children_num; i++)
290 oconfig_item_t *child = ci->children + i;
292 if (strcasecmp ("Host", child->key) == 0)
293 status = cf_util_get_string (child, &node->host);
294 else if (strcasecmp ("Port", child->key) == 0)
296 status = cf_util_get_port_number (child);
303 else if (strcasecmp ("Timeout", child->key) == 0)
304 status = cf_util_get_int (child, &node->timeout);
305 else if (strcasecmp ("StoreRates", child->key) == 0)
306 status = cf_util_get_boolean (child, &node->store_rates);
307 else if (strcasecmp ("Database", child->key) == 0)
308 status = cf_util_get_string (child, &node->db);
309 else if (strcasecmp ("User", child->key) == 0)
310 status = cf_util_get_string (child, &node->user);
311 else if (strcasecmp ("Password", child->key) == 0)
312 status = cf_util_get_string (child, &node->passwd);
314 WARNING ("write_mongodb plugin: Ignoring unknown config option \"%s\".",
319 } /* for (i = 0; i < ci->children_num; i++) */
321 if ((node->db != NULL) || (node->user != NULL) || (node->passwd != NULL))
323 if ((node->db == NULL) || (node->user == NULL) || (node->passwd == NULL))
325 WARNING ("write_mongodb plugin: Authentication requires the "
326 "\"Database\", \"User\" and \"Password\" options to be specified, "
327 "but at last one of them is missing. Authentication will NOT be "
331 sfree (node->passwd);
337 char cb_name[DATA_MAX_NAME_LEN];
340 ssnprintf (cb_name, sizeof (cb_name), "write_mongodb/%s", node->name);
343 ud.free_func = wm_config_free;
345 status = plugin_register_write (cb_name, wm_write, &ud);
346 INFO ("write_mongodb plugin: registered write plugin %s %d",cb_name,status);
350 wm_config_free (node);
353 } /* }}} int wm_config_node */
355 static int wm_config (oconfig_item_t *ci) /* {{{ */
359 for (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 : */