FingerprintFromString transforms a string representation into a Fingerprint.

IsValidMetricName returns true iff name matches the pattern of MetricNameRE.

LabelsToSignature returns a quasi-unique signature (i.e., fingerprint) for a given label set.

Now returns the current time as a Time.

ParseDuration parses a string into a time.Duration, assuming that a year always has 365d, a week always has 7d, and a day always has 24h.

ParseFingerprint parses the input string into a fingerprint.

SignatureForLabels works like LabelsToSignature but takes a Metric as parameter (rather than a label map) and only includes the labels with the specified LabelNames into the signature calculation.

SignatureWithoutLabels works like LabelsToSignature but takes a Metric as parameter (rather than a label map) and excludes the labels with any of the specified LabelNames from the signature calculation.

TimeFromUnix returns the Time equivalent to the Unix Time t provided in seconds.

TimeFromUnixNano returns the Time equivalent to the Unix Time t provided in nanoseconds.

AddressLabel is the name of the label that holds the address of a scrape target.

AlertNameLabel is the name of the label containing the an alert's name.

BucketLabel is used for the label that defines the upper bound of a bucket of a histogram ("le" -> "less or equal").

Earliest is the earliest Time representable.

ExportedLabelPrefix is the prefix to prepend to the label names present in exported metrics if a label of the same name is added by the server.

InstanceLabel is the label name used for the instance label.

JobLabel is the label name indicating the job from which a timeseries was scraped.

Latest is the latest Time representable.

MetaLabelPrefix is a prefix for labels that provide meta information.

MetricNameLabel is the label name indicating the metric name of a timeseries.

MetricsPathLabel is the name of the label that holds the path on which to scrape a target.

ParamLabelPrefix is a prefix for labels that provide URL parameters used to scrape a target.

QuantileLabel is used for the label that defines the quantile in a summary.

ReservedLabelPrefix is a prefix which is not legal in user-supplied label names.

SchemeLabel is the name of the label that holds the scheme on which to scrape a target.

ScrapeIntervalLabel is the name of the label that holds the scrape interval used to scrape a target.

ScrapeTimeoutLabel is the name of the label that holds the scrape timeout used to scrape a target.

SeparatorByte is a byte that cannot occur in valid UTF-8 sequences and is used to separate label names, label values, and other strings from each other when calculating their combined hash value (aka signature aka fingerprint).

TmpLabelPrefix is a prefix for temporary labels as part of relabelling.

LabelNameRE is a regular expression matching valid label names.

MetricNameRE is a regular expression matching valid metric names.

ZeroSample is the pseudo zero-value of Sample used to signal a non-existing sample.

ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a non-existing sample pair.

Alert is a generic representation of an alert in the Prometheus eco-system.

Interval describes an interval between two timestamps.

LabelPair pairs a name with a value.

Matcher describes a matches the value of a given label.

Sample is a sample pair associated with a metric.

SamplePair pairs a SampleValue with a Timestamp.

SampleStream is a stream of Values belonging to an attached COWMetric.

Scalar is a scalar value evaluated at the set timestamp.

Silence defines the representation of a silence definition in the Prometheus eco-system.

String is a string value evaluated at the set timestamp.

Value is a generic interface for values resulting from a query evaluation.

Alert is a list of alerts that can be sorted in chronological order.

Duration wraps time.Duration.

Fingerprint provides a hash-capable representation of a Metric.

Fingerprints represents a collection of Fingerprint subject to a given natural sorting scheme.

FingerprintSet is a set of Fingerprints.

A LabelName is a key for a LabelSet or Metric.

LabelNames is a sortable LabelName slice.

LabelPairs is a sortable slice of LabelPair pointers.

A LabelSet is a collection of LabelName and LabelValue pairs.

A LabelValue is an associated value for a LabelName.

LabelValues is a sortable LabelValue slice.

Matrix is a list of time series.

A Metric is similar to a LabelSet, but the key difference is that a Metric is a singleton and refers to one and only one stream of samples.

Samples is a sortable Sample slice.

A SampleValue is a representation of a value for a given sample at a given time.

Time is the number of milliseconds since the epoch (1970-01-01 00:00 UTC) excluding leap seconds.

Vector is basically only an alias for Samples, but the contract is that in a Vector, all Samples have the same timestamp.