Fix for issue #77, create telegraf database if not exists

CHANGELOG.md

@@ -6,6 +6,7 @@
 - [#71](https://github.com/influxdb/telegraf/pull/71): HAProxy plugin. Thanks @kureikain!
 - [#72](https://github.com/influxdb/telegraf/pull/72): Adding TokuDB metrics to MySQL. Thanks vadimtk!
 - [#73](https://github.com/influxdb/telegraf/pull/73): RabbitMQ plugin. Thanks @ianunruh!
+- [#77](https://github.com/influxdb/telegraf/issues/77): Automatically create database.
 - [#79](https://github.com/influxdb/telegraf/pull/56): Nginx plugin. Thanks @codeb2cc!
 - [#86](https://github.com/influxdb/telegraf/pull/86): Lustre2 plugin. Thanks srfraser!
 - [#91](https://github.com/influxdb/telegraf/pull/91): Unit testing

agent.go

@@ -6,6 +6,7 @@ import (
 	"net/url"
 	"os"
 	"sort"
+	"strings"
 	"sync"
 	"time"
 
@@ -84,6 +85,14 @@ func (a *Agent) Connect() error {
 		return err
 	}
 
+	_, err = c.Query(client.Query{
+		Command: fmt.Sprintf("CREATE DATABASE telegraf"),
+	})
+
+	if err != nil && !strings.Contains(err.Error(), "database already exists") {
+		log.Fatal(err)
+	}
+
 	a.conn = c
 
 	return nil