collectd-nagios: Implement the "-m" option (treat NaNs as critical).
[collectd.git] / src / varnish.c
index 33c57ec..956d3e7 100644 (file)
  * n_smf_frag           N small free smf                          N
  * n_smf_large          N large free smf                          N
  * n_vbe_conn           N struct vbe_conn                         N
- * n_wrk                N worker threads                          N
- * n_wrk_create         N worker threads created                  N
- * n_wrk_failed         N worker threads not created              N
- * n_wrk_max            N worker threads limited                  N
- * n_wrk_queue          N queued work requests                    N
- * n_wrk_overflow       N overflowed work requests                N
- * n_wrk_drop           N dropped work requests                   N
+ * n_wrk                N worker threads                          Y
+ * n_wrk_create         N worker threads created                  Y
+ * n_wrk_failed         N worker threads not created              Y
+ * n_wrk_max            N worker threads limited                  Y
+ * n_wrk_queue          N queued work requests                    Y
+ * n_wrk_overflow       N overflowed work requests                Y
+ * n_wrk_drop           N dropped work requests                   Y
  * n_backend            N backends                                N
  * n_expired            N expired objects                         N
  * n_lru_nuked          N LRU nuked objects                       N
@@ -146,6 +146,7 @@ struct user_config_s {
        _Bool collect_sms;
        _Bool collect_sm;
        _Bool collect_totals;
+       _Bool collect_workers;
 };
 typedef struct user_config_s user_config_t; /* }}} */
 
@@ -335,7 +336,7 @@ static void varnish_monitor(const user_config_t *conf, struct varnish_stats *VSL
        if(conf->collect_totals)
        {
                /* Total Sessions */
-               varnish_submit_derive (conf->instance, "total_counters", "sessions", VSL_stats->s_sess);
+               varnish_submit_derive (conf->instance, "total_sessions", "sessions", VSL_stats->s_sess);
                /* Total Requests */
                varnish_submit_derive (conf->instance, "total_requests", "requests", VSL_stats->s_req);
                /* Total pipe */
@@ -349,6 +350,24 @@ static void varnish_monitor(const user_config_t *conf, struct varnish_stats *VSL
                /* Total body byte */
                varnish_submit_derive (conf->instance, "total_bytes", "body-bytes", VSL_stats->s_bodybytes);
        }
+
+       if(conf->collect_workers)
+       {
+               /* worker threads */
+               varnish_submit_gauge (conf->instance, "threads", "worker", VSL_stats->n_wrk);
+               /* worker threads created */
+               varnish_submit_gauge (conf->instance, "total_threads", "threads-created", VSL_stats->n_wrk_create);
+               /* worker threads not created */
+               varnish_submit_gauge (conf->instance, "total_threads", "threads-failed", VSL_stats->n_wrk_failed);
+               /* worker threads limited */
+               varnish_submit_gauge (conf->instance, "total_threads", "threads-limited", VSL_stats->n_wrk_max);
+               /* queued work requests */
+               varnish_submit_gauge (conf->instance, "total_requests", "worker-queued", VSL_stats->n_wrk_queue);
+               /* overflowed work requests */
+               varnish_submit_gauge (conf->instance, "total_requests", "worker-overflowed", VSL_stats->n_wrk_overflow);
+               /* dropped work requests */
+               varnish_submit_gauge (conf->instance, "total_requests", "worker-dropped", VSL_stats->n_wrk_drop);
+       }
 } /* }}} void varnish_monitor */
 
 static int varnish_read(user_data_t *ud) /* {{{ */
@@ -390,10 +409,17 @@ static int varnish_config_apply_default (user_config_t *conf) /* {{{ */
        if (conf == NULL)
                return (EINVAL);
 
-       conf->collect_cache = 1;
-       conf->collect_backend = 1;
+       conf->collect_backend     = 1;
+       conf->collect_cache       = 1;
        conf->collect_connections = 1;
-       conf->collect_shm = 1;
+       conf->collect_esi         = 0;
+       conf->collect_fetch       = 0;
+       conf->collect_hcb         = 0;
+       conf->collect_shm         = 1;
+       conf->collect_sm          = 0;
+       conf->collect_sma         = 0;
+       conf->collect_sms         = 0;
+       conf->collect_totals      = 0;
        
        return (0);
 } /* }}} int varnish_config_apply_default */
@@ -441,6 +467,8 @@ static int varnish_config_instance (const oconfig_item_t *ci) /* {{{ */
        memset (conf, 0, sizeof (*conf));
        conf->instance = NULL;
 
+       varnish_config_apply_default (conf);
+
        if (ci->values_num == 1)
        {
                int status;
@@ -492,6 +520,8 @@ static int varnish_config_instance (const oconfig_item_t *ci) /* {{{ */
                        cf_util_get_boolean (child, &conf->collect_sm);
                else if (strcasecmp ("CollectTotals", child->key) == 0)
                        cf_util_get_boolean (child, &conf->collect_totals);
+               else if (strcasecmp ("CollectWorkers", child->key) == 0)
+                       cf_util_get_boolean (child, &conf->collect_workers);
                else
                {
                        WARNING ("Varnish plugin: Ignoring unknown "
@@ -510,9 +540,13 @@ static int varnish_config_instance (const oconfig_item_t *ci) /* {{{ */
                        && !conf->collect_sma
                        && !conf->collect_sms
                        && !conf->collect_sm
-                       && !conf->collect_totals)
+                       && !conf->collect_totals
+                       && !conf->collect_workers)
        {
-               varnish_config_apply_default (conf);
+               WARNING ("Varnish plugin: No metric has been configured for "
+                               "instance \"%s\". Disabling this instance.",
+                               (conf->instance == NULL) ? "localhost" : conf->instance);
+               return (EINVAL);
        }
 
        ssnprintf (callback_name, sizeof (callback_name), "varnish/%s",