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raw | patch | inline | side by side (parent: 30c1111)
raw | patch | inline | side by side (parent: 30c1111)
| author | Florian Forster <octo@collectd.org> | |
| Fri, 20 Nov 2015 09:55:09 +0000 (10:55 +0100) | ||
| committer | Florian Forster <octo@collectd.org> | |
| Sat, 6 Aug 2016 18:37:40 +0000 (20:37 +0200) |
| src/collectd.conf.in | patch | blob | history | |
| src/collectd.conf.pod | patch | blob | history | |
| src/write_http.c | patch | blob | history |
diff --git a/src/collectd.conf.in b/src/collectd.conf.in
index 1e8994ee72396bc0bd7bdba18a37a91926aa0156..244fd67980a2a8576a985a4ac275934c61b8424d 100644 (file)
--- a/src/collectd.conf.in
+++ b/src/collectd.conf.in
# Header "X-Custom-Header: custom_value"
# SSLVersion "TLSv1"
# Format "Command"
+# Metrics true
+# Notifications false
# StoreRates false
# BufferSize 4096
# LowSpeedLimit 0
diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod
index 03cf8f0c768b21f7e1f7211a86cfecab0fce0a0b..1e564cf4b85e50bdbd6987f84fb4dfc69db91549 100644 (file)
--- a/src/collectd.conf.pod
+++ b/src/collectd.conf.pod
@@ -7843,6 +7843,14 @@ create output in the I<JavaScript Object Notation> (JSON). When set to KAIROSDB
Defaults to B<Command>.
+=item B<Metrics> B<true>|B<false>
+
+Controls whether I<metrics> are POSTed to this location. Defaults to B<true>.
+
+=item B<Notifications> B<false>|B<true>
+
+Controls whether I<notifications> are POSTed to this location. Defaults to B<false>.
+
=item B<StoreRates> B<true|false>
If set to B<true>, convert counter values to rates. If set to B<false> (the
diff --git a/src/write_http.c b/src/write_http.c
index a12a7f56f1792cde3baec5166909334c12187cd6..d8d8c34e60f9fd0e1f2dcdb709ea63d65e61766d 100644 (file)
--- a/src/write_http.c
+++ b/src/write_http.c
#define WH_FORMAT_JSON 1
#define WH_FORMAT_KAIROSDB 2
int format;
+ _Bool send_metrics;
+ _Bool send_notifications;
CURL *curl;
struct curl_slist *headers;
}
} /* }}} wh_reset_buffer */
-static int wh_send_buffer (wh_callback_t *cb) /* {{{ */
+/* must hold cb->send_lock when calling */
+static int wh_post_nolock (wh_callback_t *cb, char const *data) /* {{{ */
{
int status = 0;
- curl_easy_setopt (cb->curl, CURLOPT_POSTFIELDS, cb->send_buffer);
+ curl_easy_setopt (cb->curl, CURLOPT_POSTFIELDS, data);
status = curl_easy_perform (cb->curl);
wh_log_http_error (cb);
status, cb->curl_errbuf);
}
return (status);
-} /* }}} wh_send_buffer */
+} /* }}} wh_post_nolock */
static int wh_callback_init (wh_callback_t *cb) /* {{{ */
{
return (0);
}
- status = wh_send_buffer (cb);
+ status = wh_post_nolock (cb, cb->send_buffer);
wh_reset_buffer (cb);
}
else if (cb->format == WH_FORMAT_JSON || cb->format == WH_FORMAT_KAIROSDB)
return (status);
}
- status = wh_send_buffer (cb);
+ status = wh_post_nolock (cb, cb->send_buffer);
wh_reset_buffer (cb);
}
else
pthread_mutex_lock (&cb->send_lock);
- if (cb->curl == NULL)
+ if (wh_callback_init (cb) != 0)
{
- status = wh_callback_init (cb);
- if (status != 0)
- {
- ERROR ("write_http plugin: wh_callback_init failed.");
- pthread_mutex_unlock (&cb->send_lock);
- return (-1);
- }
+ ERROR ("write_http plugin: wh_callback_init failed.");
+ pthread_mutex_unlock (&cb->send_lock);
+ return (-1);
}
status = wh_flush_nolock (timeout, cb);
@@ -398,16 +397,11 @@ static int wh_write_command (const data_set_t *ds, const value_list_t *vl, /* {{
}
pthread_mutex_lock (&cb->send_lock);
-
- if (cb->curl == NULL)
+ if (wh_callback_init (cb) != 0)
{
- status = wh_callback_init (cb);
- if (status != 0)
- {
- ERROR ("write_http plugin: wh_callback_init failed.");
- pthread_mutex_unlock (&cb->send_lock);
- return (-1);
- }
+ ERROR ("write_http plugin: wh_callback_init failed.");
+ pthread_mutex_unlock (&cb->send_lock);
+ return (-1);
}
if (command_len >= cb->send_buffer_free)
@@ -446,16 +440,11 @@ static int wh_write_json (const data_set_t *ds, const value_list_t *vl, /* {{{ *
int status;
pthread_mutex_lock (&cb->send_lock);
-
- if (cb->curl == NULL)
+ if (wh_callback_init (cb) != 0)
{
- status = wh_callback_init (cb);
- if (status != 0)
- {
- ERROR ("write_http plugin: wh_callback_init failed.");
- pthread_mutex_unlock (&cb->send_lock);
- return (-1);
- }
+ ERROR ("write_http plugin: wh_callback_init failed.");
+ pthread_mutex_unlock (&cb->send_lock);
+ return (-1);
}
status = format_json_value_list (cb->send_buffer,
return (-EINVAL);
cb = user_data->data;
+ assert (cb->send_metrics);
switch(cb->format) {
case WH_FORMAT_JSON:
return (status);
} /* }}} int wh_write */
+static int wh_notify (notification_t const *n, user_data_t *ud) /* {{{ */
+{
+ wh_callback_t *cb;
+ char alert[4096];
+ int status;
+
+ if ((ud == NULL) || (ud->data == NULL))
+ return (EINVAL);
+
+ cb = ud->data;
+ assert (cb->send_notifications);
+
+ status = format_json_notification (alert, sizeof (alert), n);
+ if (status != 0)
+ {
+ ERROR ("write_http plugin: formatting notification failed");
+ return status;
+ }
+
+ pthread_mutex_lock (&cb->send_lock);
+ if (wh_callback_init (cb) != 0)
+ {
+ ERROR ("write_http plugin: wh_callback_init failed.");
+ pthread_mutex_unlock (&cb->send_lock);
+ return (-1);
+ }
+
+ status = wh_post_nolock (cb, alert);
+ pthread_mutex_unlock (&cb->send_lock);
+
+ return (status);
+} /* }}} int wh_notify */
+
static int config_set_format (wh_callback_t *cb, /* {{{ */
oconfig_item_t *ci)
{
cb->timeout = 0;
cb->log_http_error = 0;
cb->headers = NULL;
-
+ cb->send_metrics = 1;
+ cb->send_notifications = 0;
pthread_mutex_init (&cb->send_lock, /* attr = */ NULL);
}
else if (strcasecmp ("Format", child->key) == 0)
status = config_set_format (cb, child);
+ else if (strcasecmp ("Metrics", child->key) == 0)
+ cf_util_get_boolean (child, &cb->send_metrics);
+ else if (strcasecmp ("Notifications", child->key) == 0)
+ cf_util_get_boolean (child, &cb->send_notifications);
else if (strcasecmp ("StoreRates", child->key) == 0)
status = cf_util_get_boolean (child, &cb->store_rates);
else if (strcasecmp ("BufferSize", child->key) == 0)
return (-1);
}
+ if (!cb->send_metrics && !cb->send_notifications)
+ {
+ ERROR ("write_http plugin: Neither metrics nor notifications "
+ "are enabled for \"%s\".", cb->name);
+ wh_callback_free (cb);
+ return (-1);
+ }
+
if (cb->low_speed_limit > 0)
cb->low_speed_time = CDTIME_T_TO_TIME_T(plugin_get_interval());
plugin_register_flush (callback_name, wh_flush, &user_data);
user_data.free_func = wh_callback_free;
- plugin_register_write (callback_name, wh_write, &user_data);
+
+ if (cb->send_metrics)
+ {
+ plugin_register_write (callback_name, wh_write, &user_data);
+ user_data.free_func = NULL;
+
+ plugin_register_flush (callback_name, wh_flush, &user_data);
+ }
+
+ if (cb->send_notifications)
+ {
+ plugin_register_notification (callback_name, wh_notify, &user_data);
+ user_data.free_func = NULL;
+ }
return (0);
} /* }}} int wh_config_node */