loghttp

package
v3.1.0 Latest Latest
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 Go to latest Published: Jul 2, 2024 License: AGPL-3.0 Imports: 27 Imported by: 2

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Constants

View Source 
const (
	QueryStatusSuccess = "success"
	QueryStatusFail    = "fail"
)

QueryStatus values

View Source 
const (
	ResultTypeStream = "streams"
	ResultTypeScalar = "scalar"
	ResultTypeVector = "vector"
	ResultTypeMatrix = "matrix"
)

ResultType values

View Source 
const (
	VersionLegacy = Version(iota)
	VersionV1
)

Valid Version values

Variables

This section is empty.

Functions

func NewVolumeInstantQueryWithDefaults 

func NewVolumeInstantQueryWithDefaults(matchers string) *logproto.VolumeRequest

func NewVolumeRangeQueryWithDefaults 

func NewVolumeRangeQueryWithDefaults(matchers string) *logproto.VolumeRequest

func ParseAndValidateSeriesQuery 

func ParseAndValidateSeriesQuery(r *http.Request) (*logproto.SeriesRequest, error)

func ParseDetectedFieldsQuery 

func ParseDetectedFieldsQuery(r *http.Request) (*logproto.DetectedFieldsRequest, error)

func ParseDetectedLabelsQuery 

func ParseDetectedLabelsQuery(r *http.Request) (*logproto.DetectedLabelsRequest, error)

func ParseLabelQuery 

func ParseLabelQuery(r *http.Request) (*logproto.LabelRequest, error)

ParseLabelQuery parses a LabelRequest request from an http request.

func ParsePatternsQuery 

func ParsePatternsQuery(r *http.Request) (*logproto.QueryPatternsRequest, error)

func ParseSeriesQuery 

func ParseSeriesQuery(r *http.Request) (*logproto.SeriesRequest, error)

func ParseTailQuery 

func ParseTailQuery(r *http.Request) (*logproto.TailRequest, error)

ParseTailQuery parses a TailRequest request from an http request.

Types

type DetectedField added in v3.1.0 

type DetectedField struct {
	Label       string                     `json:"label,omitempty"`
	Type        logproto.DetectedFieldType `json:"type,omitempty"`
	Cardinality uint64                     `json:"cardinality,omitempty"`
	Parser      string                     `json:"parser,omitempty"`
}

type DetectedFieldsResponse added in v3.1.0 

type DetectedFieldsResponse struct {
	Fields []DetectedField `json:"fields,omitempty"`
}

LabelResponse represents the http json response to a label query

type DroppedStream 

type DroppedStream struct {
	Timestamp time.Time
	Labels    LabelSet
}

DroppedStream represents a dropped stream in tail call

func (*DroppedStream) MarshalJSON 

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

MarshalJSON implements json.Marshaller

func (*DroppedStream) UnmarshalJSON 

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

UnmarshalJSON implements json.UnMarshaller

type Entry 

type Entry struct {
	Timestamp          time.Time
	Line               string
	StructuredMetadata labels.Labels
	Parsed             labels.Labels
}

Entry represents a log entry. It includes a log message and the time it occurred at.

func (*Entry) UnmarshalJSON 

func (e *Entry) UnmarshalJSON(data []byte) error

type EntryEncoder 

type EntryEncoder struct{}

func (EntryEncoder) Encode 

func (EntryEncoder) Encode(ptr unsafe.Pointer, stream *jsoniter.Stream)

func (EntryEncoder) IsEmpty 

func (EntryEncoder) IsEmpty(_ unsafe.Pointer) bool

type InstantQuery 

type InstantQuery struct {
	Query     string
	Ts        time.Time
	Limit     uint32
	Direction logproto.Direction
	Shards    []string
}

InstantQuery defines a log instant query.

func ParseInstantQuery 

func ParseInstantQuery(r *http.Request) (*InstantQuery, error)

ParseInstantQuery parses an InstantQuery request from an http request.

type LabelResponse 

type LabelResponse struct {
	Status string   `json:"status"`
	Data   []string `json:"data,omitempty"`
}

LabelResponse represents the http json response to a label query

type LabelSet 

type LabelSet map[string]string

LabelSet is a key/value pair mapping of labels

func (LabelSet) Map 

func (l LabelSet) Map() map[string]string

Map coerces LabelSet into a map[string]string. This is useful for working with adapter types.

func (LabelSet) String 

func (l LabelSet) String() string

String implements the Stringer interface. It returns a formatted/sorted set of label key/value pairs.

func (*LabelSet) UnmarshalJSON 

func (l *LabelSet) UnmarshalJSON(data []byte) error

type LogProtoStream 

type LogProtoStream logproto.Stream

LogProtoStream helps with unmarshalling of each log stream for push request. This might look un-necessary but without it the CPU usage in benchmarks was increasing by ~25% :shrug:

func (*LogProtoStream) UnmarshalJSON 

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

type Matrix 

type Matrix []model.SampleStream

Matrix is a slice of SampleStreams

func (Matrix) Type 

func (Matrix) Type() ResultType

Type implements the promql.Value interface

type PushRequest 

type PushRequest struct {
	Streams []LogProtoStream `json:"streams"`
}

PushRequest models a log stream push but is unmarshalled to proto push format.

type QueryResponse 

type QueryResponse struct {
	Status   string            `json:"status"`
	Warnings []string          `json:"warnings,omitempty"`
	Data     QueryResponseData `json:"data"`
}

QueryResponse represents the http json response to a Loki range and instant query

func (*QueryResponse) UnmarshalJSON 

func (q *QueryResponse) UnmarshalJSON(data []byte) error

type QueryResponseData 

type QueryResponseData struct {
	ResultType ResultType   `json:"resultType"`
	Result     ResultValue  `json:"result"`
	Statistics stats.Result `json:"stats"`
}

QueryResponseData represents the http json response to a label query

func (*QueryResponseData) UnmarshalJSON 

func (q *QueryResponseData) UnmarshalJSON(data []byte) error

UnmarshalJSON implements the json.Unmarshaler interface.

type QueryStatus 

type QueryStatus string

QueryStatus holds the status of a query

type RangeQuery 

type RangeQuery struct {
	Start     time.Time
	End       time.Time
	Step      time.Duration
	Interval  time.Duration
	Query     string
	Direction logproto.Direction
	Limit     uint32
	Shards    []string
}

RangeQuery defines a log range query.

func NewRangeQueryWithDefaults 

func NewRangeQueryWithDefaults() *RangeQuery

func ParseIndexShardsQuery 

func ParseIndexShardsQuery(r *http.Request) (*RangeQuery, datasize.ByteSize, error)

func ParseIndexStatsQuery 

func ParseIndexStatsQuery(r *http.Request) (*RangeQuery, error)

func ParseRangeQuery 

func ParseRangeQuery(r *http.Request) (*RangeQuery, error)

ParseRangeQuery parses a RangeQuery request from an http request.

func (*RangeQuery) UpdateStep 

func (q *RangeQuery) UpdateStep()

UpdateStep will adjust the step given new start and end.

type ResultType 

type ResultType string

ResultType holds the type of the result

type ResultValue 

type ResultValue interface {
	Type() ResultType
}

ResultValue interface mimics the promql.Value interface

type Scalar 

type Scalar model.Scalar

Scalar is a single timestamp/float with no labels

func (Scalar) MarshalJSON 

func (s Scalar) MarshalJSON() ([]byte, error)

func (Scalar) Type 

func (Scalar) Type() ResultType

Type implements the promql.Value interface

func (*Scalar) UnmarshalJSON 

func (s *Scalar) UnmarshalJSON(b []byte) error

type SeriesResponse 

type SeriesResponse struct {
	Status string     `json:"status"`
	Data   []LabelSet `json:"data"`
}

type Stream 

type Stream struct {
	Labels  LabelSet `json:"stream"`
	Entries []Entry  `json:"values"`
}

Stream represents a log stream. It includes a set of log entries and their labels.

func (*Stream) UnmarshalJSON 

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

type Streams 

type Streams []Stream

Streams is a slice of Stream

func (Streams) ToProto 

func (s Streams) ToProto() []logproto.Stream

func (Streams) Type 

func (Streams) Type() ResultType

Type implements the promql.Value interface

func (*Streams) UnmarshalJSON 

func (ss *Streams) UnmarshalJSON(data []byte) error

type TailResponse 

type TailResponse struct {
	Streams        []Stream        `json:"streams,omitempty"`
	DroppedStreams []DroppedStream `json:"dropped_entries,omitempty"`
}

TailResponse represents the http json response to a tail query

type Vector 

type Vector []model.Sample

Vector is a slice of Samples

func (Vector) Type 

func (Vector) Type() ResultType

Type implements the promql.Value interface

type Version 

type Version int

Version holds a loghttp version

func GetVersion 

func GetVersion(uri string) Version

GetVersion returns the loghttp version for a given path.

type VolumeInstantQuery 

type VolumeInstantQuery struct {
	Start        time.Time
	End          time.Time
	Query        string
	Limit        uint32
	TargetLabels []string
	AggregateBy  string
}

func ParseVolumeInstantQuery 

func ParseVolumeInstantQuery(r *http.Request) (*VolumeInstantQuery, error)

type VolumeRangeQuery 

type VolumeRangeQuery struct {
	Start        time.Time
	End          time.Time
	Step         time.Duration
	Query        string
	Limit        uint32
	TargetLabels []string
	AggregateBy  string
}

func ParseVolumeRangeQuery 

func ParseVolumeRangeQuery(r *http.Request) (*VolumeRangeQuery, error)

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