queryrange

package
v0.3.0-rc.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 3, 2019 License: Apache-2.0 Imports: 35 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrInvalidLengthQueryrange = fmt.Errorf("proto: negative length found during unmarshaling")
	ErrIntOverflowQueryrange   = fmt.Errorf("proto: integer overflow")
)
View Source 
var StepAlignMiddleware = MiddlewareFunc(func(next Handler) Handler {
	return stepAlign{
		next: next,
	}
})

StepAlignMiddleware aligns the start and end of request to the step to improved the cacheability of the query results.

Functions

func NewRoundTripper 

func NewRoundTripper(next http.RoundTripper, handler Handler, limits Limits) http.RoundTripper

NewRoundTripper wraps a QueryRange Handler and allows it to send requests to a http.Roundtripper.

func ParseTime 

func ParseTime(s string) (int64, error)

ParseTime parses the string into an int64, milliseconds since epoch.

Types

type APIResponse 

type APIResponse struct {
	Status    string   `protobuf:"bytes,1,opt,name=Status,json=status,proto3" json:"status"`
	Data      Response `protobuf:"bytes,2,opt,name=Data,json=data,proto3" json:"data,omitempty"`
	ErrorType string   `protobuf:"bytes,3,opt,name=ErrorType,json=errorType,proto3" json:"errorType,omitempty"`
	Error     string   `protobuf:"bytes,4,opt,name=Error,json=error,proto3" json:"error,omitempty"`
}

func (*APIResponse) Descriptor 

func (*APIResponse) Descriptor() ([]byte, []int)

func (*APIResponse) Equal 

func (this *APIResponse) Equal(that interface{}) bool

func (*APIResponse) GetData 

func (m *APIResponse) GetData() Response

func (*APIResponse) GetError 

func (m *APIResponse) GetError() string

func (*APIResponse) GetErrorType 

func (m *APIResponse) GetErrorType() string

func (*APIResponse) GetStatus 

func (m *APIResponse) GetStatus() string

func (*APIResponse) GoString 

func (this *APIResponse) GoString() string

func (*APIResponse) Marshal 

func (m *APIResponse) Marshal() (dAtA []byte, err error)

func (*APIResponse) MarshalTo 

func (m *APIResponse) MarshalTo(dAtA []byte) (int, error)

func (*APIResponse) ProtoMessage 

func (*APIResponse) ProtoMessage()

func (*APIResponse) Reset 

func (m *APIResponse) Reset()

func (*APIResponse) Size 

func (m *APIResponse) Size() (n int)

func (*APIResponse) String 

func (this *APIResponse) String() string

func (*APIResponse) Unmarshal 

func (m *APIResponse) Unmarshal(dAtA []byte) error

func (*APIResponse) XXX_DiscardUnknown 

func (m *APIResponse) XXX_DiscardUnknown()

func (*APIResponse) XXX_Marshal 

func (m *APIResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*APIResponse) XXX_Merge 

func (m *APIResponse) XXX_Merge(src proto.Message)

func (*APIResponse) XXX_Size 

func (m *APIResponse) XXX_Size() int

func (*APIResponse) XXX_Unmarshal 

func (m *APIResponse) XXX_Unmarshal(b []byte) error

type CachedResponse 

type CachedResponse struct {
	Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key"`
	// List of cached responses; non-overlapping and in order.
	Extents []Extent `protobuf:"bytes,2,rep,name=extents,proto3" json:"extents"`
}

func (*CachedResponse) Descriptor 

func (*CachedResponse) Descriptor() ([]byte, []int)

func (*CachedResponse) Equal 

func (this *CachedResponse) Equal(that interface{}) bool

func (*CachedResponse) GetExtents 

func (m *CachedResponse) GetExtents() []Extent

func (*CachedResponse) GetKey 

func (m *CachedResponse) GetKey() string

func (*CachedResponse) GoString 

func (this *CachedResponse) GoString() string

func (*CachedResponse) Marshal 

func (m *CachedResponse) Marshal() (dAtA []byte, err error)

func (*CachedResponse) MarshalTo 

func (m *CachedResponse) MarshalTo(dAtA []byte) (int, error)

func (*CachedResponse) ProtoMessage 

func (*CachedResponse) ProtoMessage()

func (*CachedResponse) Reset 

func (m *CachedResponse) Reset()

func (*CachedResponse) Size 

func (m *CachedResponse) Size() (n int)

func (*CachedResponse) String 

func (this *CachedResponse) String() string

func (*CachedResponse) Unmarshal 

func (m *CachedResponse) Unmarshal(dAtA []byte) error

func (*CachedResponse) XXX_DiscardUnknown 

func (m *CachedResponse) XXX_DiscardUnknown()

func (*CachedResponse) XXX_Marshal 

func (m *CachedResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*CachedResponse) XXX_Merge 

func (m *CachedResponse) XXX_Merge(src proto.Message)

func (*CachedResponse) XXX_Size 

func (m *CachedResponse) XXX_Size() int

func (*CachedResponse) XXX_Unmarshal 

func (m *CachedResponse) XXX_Unmarshal(b []byte) error

type Extent 

type Extent struct {
	Start    int64        `protobuf:"varint,1,opt,name=start,proto3" json:"start"`
	End      int64        `protobuf:"varint,2,opt,name=end,proto3" json:"end"`
	Response *APIResponse `protobuf:"bytes,3,opt,name=response,proto3" json:"response"`
	TraceId  string       `protobuf:"bytes,4,opt,name=trace_id,json=traceId,proto3" json:"-"`
}

func (*Extent) Descriptor 

func (*Extent) Descriptor() ([]byte, []int)

func (*Extent) Equal 

func (this *Extent) Equal(that interface{}) bool

func (*Extent) GetEnd 

func (m *Extent) GetEnd() int64

func (*Extent) GetResponse 

func (m *Extent) GetResponse() *APIResponse

func (*Extent) GetStart 

func (m *Extent) GetStart() int64

func (*Extent) GetTraceId 

func (m *Extent) GetTraceId() string

func (*Extent) GoString 

func (this *Extent) GoString() string

func (*Extent) Marshal 

func (m *Extent) Marshal() (dAtA []byte, err error)

func (*Extent) MarshalTo 

func (m *Extent) MarshalTo(dAtA []byte) (int, error)

func (*Extent) ProtoMessage 

func (*Extent) ProtoMessage()

func (*Extent) Reset 

func (m *Extent) Reset()

func (*Extent) Size 

func (m *Extent) Size() (n int)

func (*Extent) String 

func (this *Extent) String() string

func (*Extent) Unmarshal 

func (m *Extent) Unmarshal(dAtA []byte) error

func (*Extent) XXX_DiscardUnknown 

func (m *Extent) XXX_DiscardUnknown()

func (*Extent) XXX_Marshal 

func (m *Extent) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*Extent) XXX_Merge 

func (m *Extent) XXX_Merge(src proto.Message)

func (*Extent) XXX_Size 

func (m *Extent) XXX_Size() int

func (*Extent) XXX_Unmarshal 

func (m *Extent) XXX_Unmarshal(b []byte) error

type Handler 

type Handler interface {
	Do(context.Context, *Request) (*APIResponse, error)
}

Handler is like http.Handle, but specifically for Prometheus query_range calls.

type HandlerFunc 

type HandlerFunc func(context.Context, *Request) (*APIResponse, error)

HandlerFunc is like http.HandlerFunc, but for Handler.

func (HandlerFunc) Do 

func (q HandlerFunc) Do(ctx context.Context, req *Request) (*APIResponse, error)

Do implements Handler.

type Limits 

type Limits interface {
	MaxQueryLength(string) time.Duration
	MaxQueryParallelism(string) int
}

Limits allows us to specify per-tenant runtime limits on the behaviour of the query handling code.

type Middleware 

type Middleware interface {
	Wrap(Handler) Handler
}

Middleware is a higher order Handler.

func InstrumentMiddleware 

func InstrumentMiddleware(name string, queryRangeDuration *prometheus.HistogramVec) Middleware

InstrumentMiddleware can be inserted into the middleware chain to expose timing information.

func MergeMiddlewares 

func MergeMiddlewares(middleware ...Middleware) Middleware

MergeMiddlewares produces a middleware that applies multiple middleware in turn; ie Merge(f,g,h).Wrap(handler) == f.Wrap(g.Wrap(h.Wrap(handler)))

func NewResultsCacheMiddleware 

func NewResultsCacheMiddleware(logger log.Logger, cfg ResultsCacheConfig, limits Limits) (Middleware, error)

NewResultsCacheMiddleware creates results cache middleware from config.

func NewRetryMiddleware 

func NewRetryMiddleware(log log.Logger, maxRetries int) Middleware

NewRetryMiddleware returns a middleware that retries requests if they fail with 500 or a non-HTTP error.

func SplitByDayMiddleware 

func SplitByDayMiddleware(limits Limits) Middleware

SplitByDayMiddleware creates a new Middleware that splits requests by day.

type MiddlewareFunc 

type MiddlewareFunc func(Handler) Handler

MiddlewareFunc is like http.HandlerFunc, but for Middleware.

func (MiddlewareFunc) Wrap 

func (q MiddlewareFunc) Wrap(h Handler) Handler

Wrap implements Middleware.

type Request 

type Request struct {
	Path    string        `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
	Start   int64         `protobuf:"varint,2,opt,name=start,proto3" json:"start,omitempty"`
	End     int64         `protobuf:"varint,3,opt,name=end,proto3" json:"end,omitempty"`
	Step    int64         `protobuf:"varint,4,opt,name=step,proto3" json:"step,omitempty"`
	Timeout time.Duration `protobuf:"bytes,5,opt,name=timeout,proto3,stdduration" json:"timeout"`
	Query   string        `protobuf:"bytes,6,opt,name=query,proto3" json:"query,omitempty"`
}

func (*Request) Descriptor 

func (*Request) Descriptor() ([]byte, []int)

func (*Request) Equal 

func (this *Request) Equal(that interface{}) bool

func (*Request) GetEnd 

func (m *Request) GetEnd() int64

func (*Request) GetPath 

func (m *Request) GetPath() string

func (*Request) GetQuery 

func (m *Request) GetQuery() string

func (*Request) GetStart 

func (m *Request) GetStart() int64

func (*Request) GetStep 

func (m *Request) GetStep() int64

func (*Request) GetTimeout 

func (m *Request) GetTimeout() time.Duration

func (*Request) GoString 

func (this *Request) GoString() string

func (Request) LogToSpan 

func (q Request) LogToSpan(ctx context.Context)

LogToSpan writes information about this request to the OpenTracing span in the context, if there is one.

func (*Request) Marshal 

func (m *Request) Marshal() (dAtA []byte, err error)

func (*Request) MarshalTo 

func (m *Request) MarshalTo(dAtA []byte) (int, error)

func (*Request) ProtoMessage 

func (*Request) ProtoMessage()

func (*Request) Reset 

func (m *Request) Reset()

func (*Request) Size 

func (m *Request) Size() (n int)

func (*Request) String 

func (this *Request) String() string

func (*Request) Unmarshal 

func (m *Request) Unmarshal(dAtA []byte) error

func (*Request) XXX_DiscardUnknown 

func (m *Request) XXX_DiscardUnknown()

func (*Request) XXX_Marshal 

func (m *Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*Request) XXX_Merge 

func (m *Request) XXX_Merge(src proto.Message)

func (*Request) XXX_Size 

func (m *Request) XXX_Size() int

func (*Request) XXX_Unmarshal 

func (m *Request) XXX_Unmarshal(b []byte) error

type Response 

type Response struct {
	ResultType string         `protobuf:"bytes,1,opt,name=ResultType,json=resultType,proto3" json:"resultType"`
	Result     []SampleStream `protobuf:"bytes,2,rep,name=Result,json=result,proto3" json:"result"`
}

func (*Response) Descriptor 

func (*Response) Descriptor() ([]byte, []int)

func (*Response) Equal 

func (this *Response) Equal(that interface{}) bool

func (*Response) GetResult 

func (m *Response) GetResult() []SampleStream

func (*Response) GetResultType 

func (m *Response) GetResultType() string

func (*Response) GoString 

func (this *Response) GoString() string

func (*Response) Marshal 

func (m *Response) Marshal() (dAtA []byte, err error)

func (*Response) MarshalTo 

func (m *Response) MarshalTo(dAtA []byte) (int, error)

func (*Response) ProtoMessage 

func (*Response) ProtoMessage()

func (*Response) Reset 

func (m *Response) Reset()

func (*Response) Size 

func (m *Response) Size() (n int)

func (*Response) String 

func (this *Response) String() string

func (*Response) Unmarshal 

func (m *Response) Unmarshal(dAtA []byte) error

func (*Response) XXX_DiscardUnknown 

func (m *Response) XXX_DiscardUnknown()

func (*Response) XXX_Marshal 

func (m *Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*Response) XXX_Merge 

func (m *Response) XXX_Merge(src proto.Message)

func (*Response) XXX_Size 

func (m *Response) XXX_Size() int

func (*Response) XXX_Unmarshal 

func (m *Response) XXX_Unmarshal(b []byte) error

type ResultsCacheConfig 

type ResultsCacheConfig struct {
	CacheConfig       cache.Config  `yaml:"cache"`
	MaxCacheFreshness time.Duration `yaml:"max_freshness"`
}

ResultsCacheConfig is the config for the results cache.

func (*ResultsCacheConfig) RegisterFlags 

func (cfg *ResultsCacheConfig) RegisterFlags(f *flag.FlagSet)

RegisterFlags registers flags.

type SampleStream 

type SampleStream struct {
	Labels  []github_com_cortexproject_cortex_pkg_ingester_client.LabelAdapter `` /* 131-byte string literal not displayed */
	Samples []client.Sample                                                    `protobuf:"bytes,2,rep,name=samples,proto3" json:"values"`
}

func (*SampleStream) Descriptor 

func (*SampleStream) Descriptor() ([]byte, []int)

func (*SampleStream) Equal 

func (this *SampleStream) Equal(that interface{}) bool

func (*SampleStream) GetSamples 

func (m *SampleStream) GetSamples() []client.Sample

func (*SampleStream) GoString 

func (this *SampleStream) GoString() string

func (*SampleStream) Marshal 

func (m *SampleStream) Marshal() (dAtA []byte, err error)

func (*SampleStream) MarshalJSON 

func (s *SampleStream) MarshalJSON() ([]byte, error)

MarshalJSON implements json.Marshaler.

func (*SampleStream) MarshalTo 

func (m *SampleStream) MarshalTo(dAtA []byte) (int, error)

func (*SampleStream) ProtoMessage 

func (*SampleStream) ProtoMessage()

func (*SampleStream) Reset 

func (m *SampleStream) Reset()

func (*SampleStream) Size 

func (m *SampleStream) Size() (n int)

func (*SampleStream) String 

func (this *SampleStream) String() string

func (*SampleStream) Unmarshal 

func (m *SampleStream) Unmarshal(dAtA []byte) error

func (*SampleStream) UnmarshalJSON 

func (s *SampleStream) UnmarshalJSON(data []byte) error

UnmarshalJSON implements json.Unmarshaler.

func (*SampleStream) XXX_DiscardUnknown 

func (m *SampleStream) XXX_DiscardUnknown()

func (*SampleStream) XXX_Marshal 

func (m *SampleStream) XXX_Marshal(b []byte, deterministic bool) ([]byte, error)

func (*SampleStream) XXX_Merge 

func (m *SampleStream) XXX_Merge(src proto.Message)

func (*SampleStream) XXX_Size 

func (m *SampleStream) XXX_Size() int

func (*SampleStream) XXX_Unmarshal 

func (m *SampleStream) XXX_Unmarshal(b []byte) error

type ToRoundTripperMiddleware 

type ToRoundTripperMiddleware struct {
	Next http.RoundTripper
}

ToRoundTripperMiddleware not quite sure what this does.

func (ToRoundTripperMiddleware) Do 

func (q ToRoundTripperMiddleware) Do(ctx context.Context, r *Request) (*APIResponse, error)

Do implements Handler.

Source Files

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