Exemplo n.º 1
0
func (sink *influxdbSink) createDatabase() error {
	if sink.client == nil {
		client, err := influxdb_common.NewClient(sink.c)
		if err != nil {
			return err
		}
		sink.client = client
	}

	if sink.dbExists {
		return nil
	}
	q := influxdb.Query{
		Command: fmt.Sprintf("CREATE DATABASE %s", sink.c.DbName),
	}
	if resp, err := sink.client.Query(q); err != nil {
		// We want to return error only if it is not "already exists" error.
		if !(resp != nil && resp.Err != nil && strings.Contains(resp.Err.Error(), "already exists")) {
			return fmt.Errorf("Database creation failed: %v", err)
		}
	}
	sink.dbExists = true
	glog.Infof("Created database %q on influxDB server at %q", sink.c.DbName, sink.c.Host)
	return nil
}
Exemplo n.º 2
0
func (sink *influxdbSink) createDatabase() error {
	if sink.client == nil {
		client, err := influxdb_common.NewClient(sink.c)
		if err != nil {
			return err
		}
		sink.client = client
	}

	if sink.dbExists {
		return nil
	}

	q := influxdb.Query{
		Command: fmt.Sprintf(`CREATE DATABASE %s WITH NAME "default"`, sink.c.DbName),
	}

	if resp, err := sink.client.Query(q); err != nil {
		// We want to return error only if it is not "already exists" error.
		if !(resp != nil && resp.Err != nil && strings.Contains(resp.Err.Error(), "existing policy")) {
			err := sink.createRetentionPolicy()
			if err != nil {
				return err
			}
		}
	}

	sink.dbExists = true
	glog.Infof("Created database %q on influxDB server at %q", sink.c.DbName, sink.c.Host)
	return nil
}
Exemplo n.º 3
0
// Returns a thread-compatible implementation of influxdb interactions.
func new(c influxdb_common.InfluxdbConfig) core.DataSink {
	client, err := influxdb_common.NewClient(c)
	if err != nil {
		glog.Errorf("issues while creating an InfluxDB sink: %v, will retry on use", err)
	}
	return &influxdbSink{
		client: client, // can be nil
		c:      c,
	}
}
Exemplo n.º 4
0
func (sink *influxdbSink) ensureClient() error {
	if sink.client == nil {
		client, err := influxdb_common.NewClient(sink.c)
		if err != nil {
			return err
		}
		sink.client = client
	}

	return nil
}