check_mysql: add perfromance metrics for all checks

1 files changed, 61 insertions, 10 deletions

diff --git a/plugins/check_mysql.c b/plugins/check_mysql.c
index eaad709..212910d 100644
--- a/plugins/check_mysql.c
+++ b/plugins/check_mysql.c
@@ -62,6 +62,29 @@ int verbose = 0;
 static double warning_time = 0;
 static double critical_time = 0;
 
+#define LENGTH_METRIC_UNIT 7
+static const char *metric_unit[LENGTH_METRIC_UNIT] = {
+        "Connections",
+        "Open_files",
+        "Open_tables",
+        "Qcache_free_memory",
+        "Qcache_queries_in_cache",
+        "Threads_connected",
+        "Threads_running"
+};
+
+#define LENGTH_METRIC_COUNTER 8
+static const char *metric_counter[LENGTH_METRIC_COUNTER] = {
+        "Qcache_hits",
+        "Qcache_inserts",
+        "Qcache_lowmem_prunes",
+        "Qcache_not_cached",
+        "Queries",
+        "Questions",
+        "Table_locks_waited",
+        "Uptime"
+};
+
 thresholds *my_threshold = NULL;
 
 int process_arguments (int, char **);
@@ -82,7 +105,9 @@ main (int argc, char **argv)
         char *result = NULL;
         char *error = NULL;
         char slaveresult[SLAVERESULTSIZE];
-        char* slaveperfdata = NULL;
+        char* perf;
+
+        perf = strdup ("");
 
         setlocale (LC_ALL, "");
         bindtextdomain (PACKAGE, LOCALEDIR);
@@ -130,6 +155,34 @@ main (int argc, char **argv)
                         die (STATE_CRITICAL, "%s\n", mysql_error (&mysql));
         }
 
+        /* try to fetch some perf data */
+        if (mysql_query (&mysql, "show global status") == 0) {
+                if ( (res = mysql_store_result (&mysql)) == NULL) {
+                        error = strdup(mysql_error(&mysql));
+                        mysql_close (&mysql);
+                        die (STATE_CRITICAL, _("status store_result error: %s\n"), error);
+                }
+
+                while ( (row = mysql_fetch_row (res)) != NULL) {
+                        int i;
+
+                        for(i = 0; i < LENGTH_METRIC_UNIT - 1; i++) {
+                                if (strcmp(row[0], metric_unit[i]) == 0) {
+                                        xasprintf(&perf, "%s %s", perf, perfdata(metric_unit[i],
+                                                atol(row[1]), "", FALSE, 0, FALSE, 0, FALSE, 0, FALSE, 0));
+                                        continue;
+                                }
+                        }
+                        for(i = 0; i < LENGTH_METRIC_COUNTER - 1; i++) {
+                                if (strcmp(row[0], metric_counter[i]) == 0) {
+                                        xasprintf(&perf, "%s %s", perf, perfdata(metric_counter[i],
+                                                atol(row[1]), "c", FALSE, 0, FALSE, 0, FALSE, 0, FALSE, 0));
+                                        continue;
+                                }
+                        }
+                }
+        }
+
         if(check_slave) {
                 /* check the slave status */
                 if (mysql_query (&mysql, "show slave status") != 0) {
@@ -222,17 +275,17 @@ main (int argc, char **argv)
 
                                 status = get_status(value, my_threshold);
 
-                                slaveperfdata = fperfdata ("seconds behind master", value, "s",
+                                xasprintf (&perf, "%s %s", perf, fperfdata ("seconds behind master", value, "s",
                                         TRUE, (double) warning_time,
                                         TRUE, (double) critical_time,
                                         FALSE, 0,
-                                        FALSE, 0);
+                                        FALSE, 0));
 
                                 if (status == STATE_WARNING) {
-                                        printf("SLOW_SLAVE %s: %s|%s\n", _("WARNING"), slaveresult, slaveperfdata);
+                                        printf("SLOW_SLAVE %s: %s|%s\n", _("WARNING"), slaveresult, perf);
                                         exit(STATE_WARNING);
                                 } else if (status == STATE_CRITICAL) {
-                                        printf("SLOW_SLAVE %s: %s|%s\n", _("CRITICAL"), slaveresult, slaveperfdata);
+                                        printf("SLOW_SLAVE %s: %s|%s\n", _("CRITICAL"), slaveresult, perf);
                                         exit(STATE_CRITICAL);
                                 }
                         }
@@ -246,12 +299,10 @@ main (int argc, char **argv)
         mysql_close (&mysql);
 
         /* print out the result of stats */
-        if (check_slave && slaveperfdata) {
-                printf ("%s %s|%s\n", result, slaveresult, slaveperfdata);
-        } else if (check_slave) {
-                printf ("%s %s\n", result, slaveresult);
+        if (check_slave) {
+                printf ("%s %s|%s\n", result, slaveresult, perf);
         } else {
-                printf ("%s\n", result);
+                printf ("%s|%s\n", result, perf);
         }
 
         return STATE_OK;