querier

Documentation

Index

• type Config
  • func (cfg *Config) RegisterFlags(f *flag.FlagSet)
• type Querier
  • func New(cfg Config, clientCfg client.Config, ring ring.ReadRing, store storage.Store, ...) (*Querier, error)
  • func (*Querier) Check(_ context.Context, _ *grpc_health_v1.HealthCheckRequest) (*grpc_health_v1.HealthCheckResponse, error)
  • func (q *Querier) InstantQueryHandler(w http.ResponseWriter, r *http.Request)
  • func (q *Querier) Label(ctx context.Context, req *logproto.LabelRequest) (*logproto.LabelResponse, error)
  • func (q *Querier) LabelHandler(w http.ResponseWriter, r *http.Request)
  • func (q *Querier) LogQueryHandler(w http.ResponseWriter, r *http.Request)
  • func (q *Querier) RangeQueryHandler(w http.ResponseWriter, r *http.Request)
  • func (q *Querier) SelectLogs(ctx context.Context, params logql.SelectLogParams) (iter.EntryIterator, error)
  • func (q *Querier) SelectSamples(ctx context.Context, params logql.SelectSampleParams) (iter.SampleIterator, error)
  • func (q *Querier) Series(ctx context.Context, req *logproto.SeriesRequest) (*logproto.SeriesResponse, error)
  • func (q *Querier) SeriesHandler(w http.ResponseWriter, r *http.Request)
  • func (q *Querier) Tail(ctx context.Context, req *logproto.TailRequest) (*Tailer, error)
  • func (q *Querier) TailHandler(w http.ResponseWriter, r *http.Request)
• type QueryResponse
• type Tailer

Types

type Config

type Config struct {
	QueryTimeout                  time.Duration    `yaml:"query_timeout"`
	TailMaxDuration               time.Duration    `yaml:"tail_max_duration"`
	ExtraQueryDelay               time.Duration    `yaml:"extra_query_delay,omitempty"`
	QueryIngestersWithin          time.Duration    `yaml:"query_ingesters_within,omitempty"`
	IngesterQueryStoreMaxLookback time.Duration    `yaml:"-"`
	Engine                        logql.EngineOpts `yaml:"engine,omitempty"`
	MaxConcurrent                 int              `yaml:"max_concurrent"`
}

Config for a querier.

func (*Config) RegisterFlags

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

RegisterFlags register flags.

type Querier

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

Querier handlers queries.

func New

func New(cfg Config, clientCfg client.Config, ring ring.ReadRing, store storage.Store, limits *validation.Overrides) (*Querier, error)

New makes a new Querier.

func (*Querier) Check

func (*Querier) Check(_ context.Context, _ *grpc_health_v1.HealthCheckRequest) (*grpc_health_v1.HealthCheckResponse, error)

Check implements the grpc healthcheck

func (*Querier) InstantQueryHandler

func (q *Querier) InstantQueryHandler(w http.ResponseWriter, r *http.Request)

InstantQueryHandler is a http.HandlerFunc for instant queries.

func (*Querier) Label

func (q *Querier) Label(ctx context.Context, req *logproto.LabelRequest) (*logproto.LabelResponse, error)

Label does the heavy lifting for a Label query.

func (*Querier) LabelHandler

func (q *Querier) LabelHandler(w http.ResponseWriter, r *http.Request)

LabelHandler is a http.HandlerFunc for handling label queries.

func (*Querier) LogQueryHandler

func (q *Querier) LogQueryHandler(w http.ResponseWriter, r *http.Request)

LogQueryHandler is a http.HandlerFunc for log only queries.

func (*Querier) RangeQueryHandler

func (q *Querier) RangeQueryHandler(w http.ResponseWriter, r *http.Request)

RangeQueryHandler is a http.HandlerFunc for range queries.

func (*Querier) SelectLogs

func (q *Querier) SelectLogs(ctx context.Context, params logql.SelectLogParams) (iter.EntryIterator, error)

Select Implements logql.Querier which select logs via matchers and regex filters.

func (*Querier) SelectSamples

func (q *Querier) SelectSamples(ctx context.Context, params logql.SelectSampleParams) (iter.SampleIterator, error)

func (*Querier) Series

func (q *Querier) Series(ctx context.Context, req *logproto.SeriesRequest) (*logproto.SeriesResponse, error)

Series fetches any matching series for a list of matcher sets

func (*Querier) SeriesHandler

func (q *Querier) SeriesHandler(w http.ResponseWriter, r *http.Request)

SeriesHandler returns the list of time series that match a certain label set. See https://prometheus.io/docs/prometheus/latest/querying/api/#finding-series-by-label-matchers

func (*Querier) Tail

func (q *Querier) Tail(ctx context.Context, req *logproto.TailRequest) (*Tailer, error)

Tail keeps getting matching logs from all ingesters for given query

func (*Querier) TailHandler

func (q *Querier) TailHandler(w http.ResponseWriter, r *http.Request)

TailHandler is a http.HandlerFunc for handling tail queries.

type QueryResponse

type QueryResponse struct {
	ResultType parser.ValueType `json:"resultType"`
	Result     parser.Value     `json:"result"`
}

type Tailer

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

Tailer manages complete lifecycle of a tail request