ipmi plugin: Add SELSensor and SELIgnoreSelected config options.

Functionality is similar to existing options 'Sensor' and 'IgnoreSelected',
which are used now for filtering metrics. New options will allow independent
filtering of SEL events.

Change-Id: I0fde54a25577e61a4c90a4ff52f62117540a4343
Signed-off-by: Mariusz Szafranski <mariuszx.szafranski@intel.com>

diff --git a/src/collectd.conf.in b/src/collectd.conf.in
index 14e8e98..da33dbf 100644 (file)
--- a/src/collectd.conf.in
+++ b/src/collectd.conf.in
@@ -689,6 +689,9 @@
 #              NotifySensorNotPresent false
 #              NotifyIPMIConnectionState false
 #              SELEnabled false
+#              SELSensor "some_sensor"
+#              SELSensor "another_one"
+#              SELIgnoreSelected false
 #              SELClearEvent false
 #      </Instance>
 #      <Instance "remote">
@@ -705,6 +708,9 @@
 #              NotifySensorNotPresent false
 #              NotifyIPMIConnectionState false
 #              SELEnabled false
+#              SELSensor "some_sensor"
+#              SELSensor "another_one"
+#              SELIgnoreSelected false
 #              SELClearEvent false
 #      </Instance>
 #</Plugin>

diff --git a/src/collectd.conf.pod b/src/collectd.conf.pod
index ef79f88..dda3a18 100644 (file)
--- a/src/collectd.conf.pod
+++ b/src/collectd.conf.pod
@@ -3453,8 +3453,23 @@ a notification is sent. Defaults to B<false>.
 
 If system event log (SEL) is enabled, plugin will listen for sensor threshold
 and discrete events. When event is received the notification is sent.
+SEL event filtering can be configured using B<SELSensor> and B<SELIgnoreSelected>
+config options.
 Defaults to B<false>.
 
+=item B<SELSensor> I<SELSensor>
+
+Selects sensors to get events from or to ignore, depending on B<SELIgnoreSelected>.
+
+See F</"IGNORELISTS"> for details.
+
+=item B<SELIgnoreSelected> I<true>|I<false>
+
+If no configuration is given, the B<ipmi> plugin will pass events from all
+sensors. This option enables you to do that: By setting B<SELIgnoreSelected>
+to I<true> the effect of B<SELSensor> is inverted: All events from selected
+sensors are ignored and all events from other sensors are passed.
+
 =item B<SELClearEvent> I<true>|I<false>
 
 If SEL clear event is enabled, plugin will delete event from SEL list after

diff --git a/src/ipmi.c b/src/ipmi.c
index 67fd949..2642f64 100644 (file)
--- a/src/ipmi.c
+++ b/src/ipmi.c
@@ -49,6 +49,7 @@ typedef struct c_ipmi_sensor_list_s c_ipmi_sensor_list_t;
 struct c_ipmi_instance_s {
   char *name;
   ignorelist_t *ignorelist;
+  ignorelist_t *sel_ignorelist;
   bool notify_add;
   bool notify_remove;
   bool notify_notpresent;
@@ -770,6 +771,40 @@ static int sensor_discrete_event_handler(ipmi_sensor_t *sensor,
   return IPMI_EVENT_NOT_HANDLED;
 } /* int sensor_discrete_event_handler */
 
+static int sel_list_add(c_ipmi_instance_t *st, ipmi_sensor_t *sensor) {
+  char sensor_name[DATA_MAX_NAME_LEN] = {0};
+  int status = 0;
+
+  /* Check if sensor on sel_ignorelist */
+  sensor_get_name(sensor, sensor_name, sizeof(sensor_name));
+  if (ignorelist_match(st->sel_ignorelist, sensor_name) != 0)
+    return 0;
+
+  /* register threshold event if threshold sensor support events */
+  if (ipmi_sensor_get_event_reading_type(sensor) ==
+      IPMI_EVENT_READING_TYPE_THRESHOLD)
+    status = ipmi_sensor_add_threshold_event_handler(
+        sensor, sensor_threshold_event_handler, st);
+  /* register discrete handler if discrete/specific sensor support events */
+  else if (ipmi_sensor_get_event_support(sensor) != IPMI_EVENT_SUPPORT_NONE)
+    status = ipmi_sensor_add_discrete_event_handler(
+        sensor, sensor_discrete_event_handler, st);
+
+  if (status)
+    ERROR("Unable to add sensor %s event handler, status: %d", sensor_name,
+          status);
+  return status;
+}
+
+static void sel_list_remove(c_ipmi_instance_t *st, ipmi_sensor_t *sensor) {
+  if (ipmi_sensor_get_event_reading_type(sensor) ==
+      IPMI_EVENT_READING_TYPE_THRESHOLD)
+    ipmi_sensor_remove_threshold_event_handler(
+        sensor, sensor_threshold_event_handler, st);
+  else
+    ipmi_sensor_remove_discrete_event_handler(
+        sensor, sensor_discrete_event_handler, st);
+}
 /*
  * Entity handlers
  */
@@ -782,37 +817,12 @@ entity_sensor_update_handler(enum ipmi_update_e op,
   if ((op == IPMI_ADDED) || (op == IPMI_CHANGED)) {
     /* Will check for duplicate entries.. */
     sensor_list_add(st, sensor);
-
-    if (st->sel_enabled) {
-      int status = 0;
-      /* register threshold event handler */
-      if (ipmi_sensor_get_event_reading_type(sensor) ==
-          IPMI_EVENT_READING_TYPE_THRESHOLD)
-        status = ipmi_sensor_add_threshold_event_handler(
-            sensor, sensor_threshold_event_handler, st);
-      /* register discrete handler if discrete/specific sensor support events */
-      else if (ipmi_sensor_get_event_support(sensor) != IPMI_EVENT_SUPPORT_NONE)
-        status = ipmi_sensor_add_discrete_event_handler(
-            sensor, sensor_discrete_event_handler, st);
-
-      if (status) {
-        char buf[DATA_MAX_NAME_LEN] = {0};
-        sensor_get_name(sensor, buf, sizeof(buf));
-        ERROR("Unable to add sensor %s event handler, status: %d", buf, status);
-      }
-    }
+    if (st->sel_enabled)
+      sel_list_add(st, sensor);
   } else if (op == IPMI_DELETED) {
     sensor_list_remove(st, sensor);
-
-    if (st->sel_enabled) {
-      if (ipmi_sensor_get_event_reading_type(sensor) ==
-          IPMI_EVENT_READING_TYPE_THRESHOLD)
-        ipmi_sensor_remove_threshold_event_handler(
-            sensor, sensor_threshold_event_handler, st);
-      else
-        ipmi_sensor_remove_discrete_event_handler(
-            sensor, sensor_discrete_event_handler, st);
-    }
+    if (st->sel_enabled)
+      sel_list_remove(st, sensor);
   }
 } /* void entity_sensor_update_handler */
 
@@ -1000,6 +1010,15 @@ static c_ipmi_instance_t *c_ipmi_init_instance() {
     return NULL;
   }
 
+  st->sel_ignorelist = ignorelist_create(/* invert = */ 1);
+  if (st->sel_ignorelist == NULL) {
+    ignorelist_free(st->ignorelist);
+    sfree(st->name);
+    sfree(st);
+    ERROR("ipmi plugin: SEL ignorelist_create() failed.");
+    return NULL;
+  }
+
   st->sensor_list = NULL;
   pthread_mutex_init(&st->sensor_list_lock, /* attr = */ NULL);
 
@@ -1026,6 +1045,7 @@ static void c_ipmi_free_instance(c_ipmi_instance_t *st) {
   sfree(st->username);
   sfree(st->password);
 
+  ignorelist_free(st->sel_ignorelist);
   ignorelist_free(st->ignorelist);
   pthread_mutex_destroy(&st->sensor_list_lock);
   sfree(st);
@@ -1083,6 +1103,19 @@ static int c_ipmi_config_add_instance(oconfig_item_t *ci) {
       status = cf_util_get_boolean(child, &st->notify_remove);
     } else if (strcasecmp("NotifySensorNotPresent", child->key) == 0) {
       status = cf_util_get_boolean(child, &st->notify_notpresent);
+    } else if (strcasecmp("SELSensor", child->key) == 0) {
+      char *value = NULL;
+      status = cf_util_get_string(child, &value);
+      if (status != 0)
+        break;
+      ignorelist_add(st->sel_ignorelist, value);
+      sfree(value);
+    } else if (strcasecmp("SELIgnoreSelected", child->key) == 0) {
+      bool t;
+      status = cf_util_get_boolean(child, &t);
+      if (status != 0)
+        break;
+      ignorelist_set_invert(st->sel_ignorelist, /* invert = */ !t);
     } else if (strcasecmp("SELEnabled", child->key) == 0) {
       status = cf_util_get_boolean(child, &st->sel_enabled);
     } else if (strcasecmp("SELClearEvent", child->key) == 0) {