remote

Documentation

Index

• Constants
• Variables
• func NewPromReadHandler(opts options.HandlerOptions) http.Handler
• func NewPromSeriesMatchHandler(opts options.HandlerOptions) http.Handler
• func NewPromWriteHandler(options options.HandlerOptions) (http.Handler, error)
• func NewTagValuesHandler(options options.HandlerOptions) http.Handler
• func ParseExpr(r *http.Request, opts xpromql.ParseOptions) (*prompb.ReadRequest, error)
• func ParseRequest(ctx context.Context, r *http.Request, opts options.HandlerOptions) (*prompb.ReadRequest, *storage.FetchOptions, error)
• func WriteSnappyCompressed(w http.ResponseWriter, readResult ReadResult, logger *zap.Logger) error
• type PromSeriesMatchHandler
  • func (h *PromSeriesMatchHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)
• type PromWriteHandler
  • func (h *PromWriteHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)
• type ReadResult
  • func Read(ctx context.Context, cancelWatcher handler.CancelWatcher, ...) (ReadResult, error)
• type TagValuesHandler
  • func (h *TagValuesHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)
• type TagValuesResponse

Constants

const (
	// NameReplace is the parameter that gets replaced.
	NameReplace = "name"

	// TagValuesURL is the url for tag values.
	TagValuesURL = handler.RoutePrefixV1 +
		"/label/{" + NameReplace + "}/values"

	// TagValuesHTTPMethod is the HTTP method used with this resource.
	TagValuesHTTPMethod = http.MethodGet
)

const (
	// PromWriteURL is the url for the prom write handler
	PromWriteURL = handler.RoutePrefixV1 + "/prom/remote/write"

	// PromWriteHTTPMethod is the HTTP method used with this resource.
	PromWriteHTTPMethod = http.MethodPost
)

const (
	// PromReadURL is the url for remote prom read handler
	PromReadURL = handler.RoutePrefixV1 + "/prom/remote/read"
)

const (
	// PromSeriesMatchURL is the url for remote prom series matcher handler.
	PromSeriesMatchURL = handler.RoutePrefixV1 + "/series"
)

Variables

var (
	// PromReadHTTPMethods are the HTTP methods used with this resource.
	PromReadHTTPMethods = []string{http.MethodPost, http.MethodGet}
)

var (
	// PromSeriesMatchHTTPMethods are the HTTP methods for this handler.
	PromSeriesMatchHTTPMethods = []string{http.MethodGet, http.MethodPost}
)

Functions

func NewPromReadHandler

func NewPromReadHandler(opts options.HandlerOptions) http.Handler

NewPromReadHandler returns a new instance of handler.

func NewPromSeriesMatchHandler

func NewPromSeriesMatchHandler(opts options.HandlerOptions) http.Handler

NewPromSeriesMatchHandler returns a new instance of handler.

func NewPromWriteHandler

func NewPromWriteHandler(options options.HandlerOptions) (http.Handler, error)

NewPromWriteHandler returns a new instance of handler.

func NewTagValuesHandler

func NewTagValuesHandler(options options.HandlerOptions) http.Handler

NewTagValuesHandler returns a new instance of handler.

func ParseExpr

func ParseExpr(
	r *http.Request,
	opts xpromql.ParseOptions,
) (*prompb.ReadRequest, error)

ParseExpr parses a prometheus request expression into the constituent fetches, rather than the full query application.

func ParseRequest

func ParseRequest(
	ctx context.Context,
	r *http.Request,
	opts options.HandlerOptions,
) (*prompb.ReadRequest, *storage.FetchOptions, error)

ParseRequest parses the compressed request

func WriteSnappyCompressed

func WriteSnappyCompressed(
	w http.ResponseWriter,
	readResult ReadResult,
	logger *zap.Logger,
) error

WriteSnappyCompressed writes snappy compressed results to the given writer.

Types

type PromSeriesMatchHandler

type PromSeriesMatchHandler struct {
	// contains filtered or unexported fields
}

PromSeriesMatchHandler represents a handler for the prometheus series matcher endpoint.

func (*PromSeriesMatchHandler) ServeHTTP

func (h *PromSeriesMatchHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)

type PromWriteHandler

type PromWriteHandler struct {
	// contains filtered or unexported fields
}

PromWriteHandler represents a handler for prometheus write endpoint.

func (*PromWriteHandler) ServeHTTP

func (h *PromWriteHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)

type ReadResult

type ReadResult struct {
	Meta   block.ResultMetadata
	Result []*prompb.QueryResult
}

ReadResult is a read result.

func Read

func Read(
	ctx context.Context,
	cancelWatcher handler.CancelWatcher,
	r *prompb.ReadRequest,
	fetchOpts *storage.FetchOptions,
	opts options.HandlerOptions,
) (ReadResult, error)

Read performs a remote read on the given engine.

type TagValuesHandler

type TagValuesHandler struct {
	// contains filtered or unexported fields
}

TagValuesHandler represents a handler for search tags endpoint.

func (*TagValuesHandler) ServeHTTP

func (h *TagValuesHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)

type TagValuesResponse

type TagValuesResponse struct {
	Results consolidators.CompleteTagsResult `json:"results,omitempty"`
}

TagValuesResponse is the response that gets returned to the user