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Index ¶
Constants ¶
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Variables ¶
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Functions ¶
func InitFrontend ¶
func InitFrontend( cfg CombinedFrontendConfig, v1Limits v1.Limits, v2Limits v2.Limits, grpcListenPort int, log log.Logger, reg prometheus.Registerer, codec querymiddleware.Codec, ) (http.RoundTripper, *v1.Frontend, *v2.Frontend, error)
InitFrontend initializes frontend (either V1 -- without scheduler, or V2 -- with scheduler) or no frontend at all if downstream Prometheus URL is used instead.
Returned RoundTripper can be wrapped in more round-tripper middlewares, and then eventually registered into HTTP server using the Handler from this package. Returned RoundTripper is always non-nil (if there are no errors), and it uses the returned frontend (if any).
func NewDownstreamRoundTripper ¶
func NewDownstreamRoundTripper(downstreamURL string) (http.RoundTripper, error)
Types ¶
type CombinedFrontendConfig ¶
type CombinedFrontendConfig struct {
Handler transport.HandlerConfig `yaml:",inline"`
FrontendV1 v1.Config `yaml:",inline"`
FrontendV2 v2.Config `yaml:",inline"`
QueryMiddleware querymiddleware.Config `yaml:",inline"`
DownstreamURL string `yaml:"downstream_url" category:"advanced"`
}
CombinedFrontendConfig combines several configuration options together to preserve backwards compatibility.
func (*CombinedFrontendConfig) RegisterFlags ¶
func (cfg *CombinedFrontendConfig) RegisterFlags(f *flag.FlagSet, logger log.Logger)
func (*CombinedFrontendConfig) Validate ¶
func (cfg *CombinedFrontendConfig) Validate() error
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