plugin

Documentation

Index

• Variables
• type Clickhouse
  • func (h *Clickhouse) Connect(config backend.DataSourceInstanceSettings) (*sql.DB, error)
  • func (h *Clickhouse) Converters() []sqlutil.Converter
  • func (h *Clickhouse) FillMode() *data.FillMissing
  • func (h *Clickhouse) Macros() sqlds.Macros
• type Settings
  • func LoadSettings(config backend.DataSourceInstanceSettings) (settings Settings, err error)

Variables

var (
	ErrorMessageInvalidJSON       = errors.New("could not parse json")
	ErrorMessageInvalidServerName = errors.New("invalid server name. Either empty or not set")
	ErrorMessageInvalidPort       = errors.New("invalid port")
	ErrorMessageInvalidUserName   = errors.New("username is either empty or not set")
	ErrorMessageInvalidPassword   = errors.New("password is either empty or not set")
	ErrorInvalidClientCertificate = errors.New("tls: failed to find any PEM data in certificate input")
	ErrorInvalidCACertificate     = errors.New("failed to parse TLS CA PEM certificate")
)

Types

type Clickhouse

type Clickhouse struct{}

Clickhouse defines how to connect to a Clickhouse datasource

func (*Clickhouse) Connect

func (h *Clickhouse) Connect(config backend.DataSourceInstanceSettings) (*sql.DB, error)

Connect opens a sql.DB connection using datasource settings

func (*Clickhouse) Converters

func (h *Clickhouse) Converters() []sqlutil.Converter

Converters defines list of data type converters

func (*Clickhouse) FillMode

func (h *Clickhouse) FillMode() *data.FillMissing

FillMode defines how to fill null values

func (*Clickhouse) Macros

func (h *Clickhouse) Macros() sqlds.Macros

Macros returns list of macro functions convert the macros of raw query

type Settings

type Settings struct {
	Server             string `json:"server,omitempty"`
	Port               int64  `json:"port,omitempty"`
	Username           string `json:"username,omitempty"`
	DefaultDatabase    string `json:"defaultDatabase,omitempty"`
	InsecureSkipVerify bool   `json:"tlsSkipVerify,omitempty"`
	TlsClientAuth      bool   `json:"tlsAuth,omitempty"`
	TlsAuthWithCACert  bool   `json:"tlsAuthWithCACert,omitempty"`
	Password           string `json:"-,omitempty"`
	TlsCACert          string
	TlsClientCert      string
	TlsClientKey       string
	Secure             bool `json:"secure,omitempty"`
}

Settings - data loaded from grafana settings database

func LoadSettings

func LoadSettings(config backend.DataSourceInstanceSettings) (settings Settings, err error)

LoadSettings will read and validate Settings from the DataSourceConfig