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
}
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
}
// 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,
}
}
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
}