diff options
Diffstat (limited to 'vendor/github.com/prometheus/common')
11 files changed, 310 insertions, 283 deletions
diff --git a/vendor/github.com/prometheus/common/expfmt/decode.go b/vendor/github.com/prometheus/common/expfmt/decode.go index b2b89b017..25cfaa216 100644 --- a/vendor/github.com/prometheus/common/expfmt/decode.go +++ b/vendor/github.com/prometheus/common/expfmt/decode.go @@ -75,14 +75,14 @@ func ResponseFormat(h http.Header) Format { func NewDecoder(r io.Reader, format Format) Decoder { switch format.FormatType() { case TypeProtoDelim: - return &protoDecoder{r: r} + return &protoDecoder{r: bufio.NewReader(r)} } return &textDecoder{r: r} } // protoDecoder implements the Decoder interface for protocol buffers. type protoDecoder struct { - r io.Reader + r protodelim.Reader } // Decode implements the Decoder interface. @@ -90,7 +90,7 @@ func (d *protoDecoder) Decode(v *dto.MetricFamily) error { opts := protodelim.UnmarshalOptions{ MaxSize: -1, } - if err := opts.UnmarshalFrom(bufio.NewReader(d.r), v); err != nil { + if err := opts.UnmarshalFrom(d.r, v); err != nil { return err } if !model.IsValidMetricName(model.LabelValue(v.GetName())) { diff --git a/vendor/github.com/prometheus/common/expfmt/encode.go b/vendor/github.com/prometheus/common/expfmt/encode.go index 8fd806184..ff5ef7a9d 100644 --- a/vendor/github.com/prometheus/common/expfmt/encode.go +++ b/vendor/github.com/prometheus/common/expfmt/encode.go @@ -21,9 +21,10 @@ import ( "google.golang.org/protobuf/encoding/protodelim" "google.golang.org/protobuf/encoding/prototext" - "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg" "github.com/prometheus/common/model" + "github.com/munnerz/goautoneg" + dto "github.com/prometheus/client_model/go" ) @@ -139,7 +140,13 @@ func NegotiateIncludingOpenMetrics(h http.Header) Format { // interface is kept for backwards compatibility. // In cases where the Format does not allow for UTF-8 names, the global // NameEscapingScheme will be applied. -func NewEncoder(w io.Writer, format Format) Encoder { +// +// NewEncoder can be called with additional options to customize the OpenMetrics text output. +// For example: +// NewEncoder(w, FmtOpenMetrics_1_0_0, WithCreatedLines()) +// +// Extra options are ignored for all other formats. +func NewEncoder(w io.Writer, format Format, options ...EncoderOption) Encoder { escapingScheme := format.ToEscapingScheme() switch format.FormatType() { @@ -178,7 +185,7 @@ func NewEncoder(w io.Writer, format Format) Encoder { case TypeOpenMetrics: return encoderCloser{ encode: func(v *dto.MetricFamily) error { - _, err := MetricFamilyToOpenMetrics(w, model.EscapeMetricFamily(v, escapingScheme)) + _, err := MetricFamilyToOpenMetrics(w, model.EscapeMetricFamily(v, escapingScheme), options...) return err }, close: func() error { diff --git a/vendor/github.com/prometheus/common/expfmt/expfmt.go b/vendor/github.com/prometheus/common/expfmt/expfmt.go index 6fc9555e3..051b38cd1 100644 --- a/vendor/github.com/prometheus/common/expfmt/expfmt.go +++ b/vendor/github.com/prometheus/common/expfmt/expfmt.go @@ -15,6 +15,7 @@ package expfmt import ( + "fmt" "strings" "github.com/prometheus/common/model" @@ -63,7 +64,7 @@ const ( type FormatType int const ( - TypeUnknown = iota + TypeUnknown FormatType = iota TypeProtoCompact TypeProtoDelim TypeProtoText @@ -73,7 +74,8 @@ const ( // NewFormat generates a new Format from the type provided. Mostly used for // tests, most Formats should be generated as part of content negotiation in -// encode.go. +// encode.go. If a type has more than one version, the latest version will be +// returned. func NewFormat(t FormatType) Format { switch t { case TypeProtoCompact: @@ -91,13 +93,21 @@ func NewFormat(t FormatType) Format { } } +// NewOpenMetricsFormat generates a new OpenMetrics format matching the +// specified version number. +func NewOpenMetricsFormat(version string) (Format, error) { + if version == OpenMetricsVersion_0_0_1 { + return fmtOpenMetrics_0_0_1, nil + } + if version == OpenMetricsVersion_1_0_0 { + return fmtOpenMetrics_1_0_0, nil + } + return fmtUnknown, fmt.Errorf("unknown open metrics version string") +} + // FormatType deduces an overall FormatType for the given format. func (f Format) FormatType() FormatType { toks := strings.Split(string(f), ";") - if len(toks) < 2 { - return TypeUnknown - } - params := make(map[string]string) for i, t := range toks { if i == 0 { diff --git a/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go b/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go index 5622578ed..353c5e93f 100644 --- a/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go +++ b/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go @@ -22,11 +22,47 @@ import ( "strconv" "strings" + "google.golang.org/protobuf/types/known/timestamppb" + "github.com/prometheus/common/model" dto "github.com/prometheus/client_model/go" ) +type encoderOption struct { + withCreatedLines bool + withUnit bool +} + +type EncoderOption func(*encoderOption) + +// WithCreatedLines is an EncoderOption that configures the OpenMetrics encoder +// to include _created lines (See +// https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#counter-1). +// Created timestamps can improve the accuracy of series reset detection, but +// come with a bandwidth cost. +// +// At the time of writing, created timestamp ingestion is still experimental in +// Prometheus and need to be enabled with the feature-flag +// `--feature-flag=created-timestamp-zero-ingestion`, and breaking changes are +// still possible. Therefore, it is recommended to use this feature with caution. +func WithCreatedLines() EncoderOption { + return func(t *encoderOption) { + t.withCreatedLines = true + } +} + +// WithUnit is an EncoderOption enabling a set unit to be written to the output +// and to be added to the metric name, if it's not there already, as a suffix. +// Without opting in this way, the unit will not be added to the metric name and, +// on top of that, the unit will not be passed onto the output, even if it +// were declared in the *dto.MetricFamily struct, i.e. even if in.Unit !=nil. +func WithUnit() EncoderOption { + return func(t *encoderOption) { + t.withUnit = true + } +} + // MetricFamilyToOpenMetrics converts a MetricFamily proto message into the // OpenMetrics text format and writes the resulting lines to 'out'. It returns // the number of bytes written and any error encountered. The output will have @@ -59,20 +95,34 @@ import ( // Prometheus to OpenMetrics or vice versa: // // - Counters are expected to have the `_total` suffix in their metric name. In -// the output, the suffix will be truncated from the `# TYPE` and `# HELP` -// line. A counter with a missing `_total` suffix is not an error. However, +// the output, the suffix will be truncated from the `# TYPE`, `# HELP` and `# UNIT` +// lines. A counter with a missing `_total` suffix is not an error. However, // its type will be set to `unknown` in that case to avoid invalid OpenMetrics // output. // -// - No support for the following (optional) features: `# UNIT` line, `_created` -// line, info type, stateset type, gaugehistogram type. +// - According to the OM specs, the `# UNIT` line is optional, but if populated, +// the unit has to be present in the metric name as its suffix: +// (see https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#unit). +// However, in order to accommodate any potential scenario where such a change in the +// metric name is not desirable, the users are here given the choice of either explicitly +// opt in, in case they wish for the unit to be included in the output AND in the metric name +// as a suffix (see the description of the WithUnit function above), +// or not to opt in, in case they don't want for any of that to happen. +// +// - No support for the following (optional) features: info type, +// stateset type, gaugehistogram type. // // - The size of exemplar labels is not checked (i.e. it's possible to create // exemplars that are larger than allowed by the OpenMetrics specification). // // - The value of Counters is not checked. (OpenMetrics doesn't allow counters // with a `NaN` value.) -func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int, err error) { +func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily, options ...EncoderOption) (written int, err error) { + toOM := encoderOption{} + for _, option := range options { + option(&toOM) + } + name := in.GetName() if name == "" { return 0, fmt.Errorf("MetricFamily has no name: %s", in) @@ -95,12 +145,15 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int } var ( - n int - metricType = in.GetType() - shortName = name + n int + metricType = in.GetType() + compliantName = name ) - if metricType == dto.MetricType_COUNTER && strings.HasSuffix(shortName, "_total") { - shortName = name[:len(name)-6] + if metricType == dto.MetricType_COUNTER && strings.HasSuffix(compliantName, "_total") { + compliantName = name[:len(name)-6] + } + if toOM.withUnit && in.Unit != nil && !strings.HasSuffix(compliantName, fmt.Sprintf("_%s", *in.Unit)) { + compliantName = compliantName + fmt.Sprintf("_%s", *in.Unit) } // Comments, first HELP, then TYPE. @@ -110,7 +163,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int if err != nil { return } - n, err = writeName(w, shortName) + n, err = writeName(w, compliantName) written += n if err != nil { return @@ -136,7 +189,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int if err != nil { return } - n, err = writeName(w, shortName) + n, err = writeName(w, compliantName) written += n if err != nil { return @@ -163,55 +216,89 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int if err != nil { return } + if toOM.withUnit && in.Unit != nil { + n, err = w.WriteString("# UNIT ") + written += n + if err != nil { + return + } + n, err = writeName(w, compliantName) + written += n + if err != nil { + return + } + + err = w.WriteByte(' ') + written++ + if err != nil { + return + } + n, err = writeEscapedString(w, *in.Unit, true) + written += n + if err != nil { + return + } + err = w.WriteByte('\n') + written++ + if err != nil { + return + } + } + + var createdTsBytesWritten int // Finally the samples, one line for each. + if metricType == dto.MetricType_COUNTER && strings.HasSuffix(name, "_total") { + compliantName = compliantName + "_total" + } for _, metric := range in.Metric { switch metricType { case dto.MetricType_COUNTER: if metric.Counter == nil { return written, fmt.Errorf( - "expected counter in metric %s %s", name, metric, + "expected counter in metric %s %s", compliantName, metric, ) } - // Note that we have ensured above that either the name - // ends on `_total` or that the rendered type is - // `unknown`. Therefore, no `_total` must be added here. n, err = writeOpenMetricsSample( - w, name, "", metric, "", 0, + w, compliantName, "", metric, "", 0, metric.Counter.GetValue(), 0, false, metric.Counter.Exemplar, ) + if toOM.withCreatedLines && metric.Counter.CreatedTimestamp != nil { + createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "_total", metric, "", 0, metric.Counter.GetCreatedTimestamp()) + n += createdTsBytesWritten + } case dto.MetricType_GAUGE: if metric.Gauge == nil { return written, fmt.Errorf( - "expected gauge in metric %s %s", name, metric, + "expected gauge in metric %s %s", compliantName, metric, ) } n, err = writeOpenMetricsSample( - w, name, "", metric, "", 0, + w, compliantName, "", metric, "", 0, metric.Gauge.GetValue(), 0, false, nil, ) case dto.MetricType_UNTYPED: if metric.Untyped == nil { return written, fmt.Errorf( - "expected untyped in metric %s %s", name, metric, + "expected untyped in metric %s %s", compliantName, metric, ) } n, err = writeOpenMetricsSample( - w, name, "", metric, "", 0, + w, compliantName, "", metric, "", 0, metric.Untyped.GetValue(), 0, false, nil, ) case dto.MetricType_SUMMARY: if metric.Summary == nil { return written, fmt.Errorf( - "expected summary in metric %s %s", name, metric, + "expected summary in metric %s %s", compliantName, metric, ) } for _, q := range metric.Summary.Quantile { n, err = writeOpenMetricsSample( - w, name, "", metric, + w, compliantName, "", metric, model.QuantileLabel, q.GetQuantile(), q.GetValue(), 0, false, nil, @@ -222,7 +309,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int } } n, err = writeOpenMetricsSample( - w, name, "_sum", metric, "", 0, + w, compliantName, "_sum", metric, "", 0, metric.Summary.GetSampleSum(), 0, false, nil, ) @@ -231,20 +318,24 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int return } n, err = writeOpenMetricsSample( - w, name, "_count", metric, "", 0, + w, compliantName, "_count", metric, "", 0, 0, metric.Summary.GetSampleCount(), true, nil, ) + if toOM.withCreatedLines && metric.Summary.CreatedTimestamp != nil { + createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "", metric, "", 0, metric.Summary.GetCreatedTimestamp()) + n += createdTsBytesWritten + } case dto.MetricType_HISTOGRAM: if metric.Histogram == nil { return written, fmt.Errorf( - "expected histogram in metric %s %s", name, metric, + "expected histogram in metric %s %s", compliantName, metric, ) } infSeen := false for _, b := range metric.Histogram.Bucket { n, err = writeOpenMetricsSample( - w, name, "_bucket", metric, + w, compliantName, "_bucket", metric, model.BucketLabel, b.GetUpperBound(), 0, b.GetCumulativeCount(), true, b.Exemplar, @@ -259,7 +350,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int } if !infSeen { n, err = writeOpenMetricsSample( - w, name, "_bucket", metric, + w, compliantName, "_bucket", metric, model.BucketLabel, math.Inf(+1), 0, metric.Histogram.GetSampleCount(), true, nil, @@ -270,7 +361,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int } } n, err = writeOpenMetricsSample( - w, name, "_sum", metric, "", 0, + w, compliantName, "_sum", metric, "", 0, metric.Histogram.GetSampleSum(), 0, false, nil, ) @@ -279,13 +370,17 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int return } n, err = writeOpenMetricsSample( - w, name, "_count", metric, "", 0, + w, compliantName, "_count", metric, "", 0, 0, metric.Histogram.GetSampleCount(), true, nil, ) + if toOM.withCreatedLines && metric.Histogram.CreatedTimestamp != nil { + createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "", metric, "", 0, metric.Histogram.GetCreatedTimestamp()) + n += createdTsBytesWritten + } default: return written, fmt.Errorf( - "unexpected type in metric %s %s", name, metric, + "unexpected type in metric %s %s", compliantName, metric, ) } written += n @@ -350,7 +445,7 @@ func writeOpenMetricsSample( return written, err } } - if exemplar != nil { + if exemplar != nil && len(exemplar.Label) > 0 { n, err = writeExemplar(w, exemplar) written += n if err != nil { @@ -473,6 +568,49 @@ func writeOpenMetricsNameAndLabelPairs( return written, nil } +// writeOpenMetricsCreated writes the created timestamp for a single time series +// following OpenMetrics text format to w, given the metric name, the metric proto +// message itself, optionally a suffix to be removed, e.g. '_total' for counters, +// an additional label name with a float64 value (use empty string as label name if +// not required) and the timestamp that represents the created timestamp. +// The function returns the number of bytes written and any error encountered. +func writeOpenMetricsCreated(w enhancedWriter, + name, suffixToTrim string, metric *dto.Metric, + additionalLabelName string, additionalLabelValue float64, + createdTimestamp *timestamppb.Timestamp, +) (int, error) { + written := 0 + n, err := writeOpenMetricsNameAndLabelPairs( + w, strings.TrimSuffix(name, suffixToTrim)+"_created", metric.Label, additionalLabelName, additionalLabelValue, + ) + written += n + if err != nil { + return written, err + } + + err = w.WriteByte(' ') + written++ + if err != nil { + return written, err + } + + // TODO(beorn7): Format this directly from components of ts to + // avoid overflow/underflow and precision issues of the float + // conversion. + n, err = writeOpenMetricsFloat(w, float64(createdTimestamp.AsTime().UnixNano())/1e9) + written += n + if err != nil { + return written, err + } + + err = w.WriteByte('\n') + written++ + if err != nil { + return written, err + } + return written, nil +} + // writeExemplar writes the provided exemplar in OpenMetrics format to w. The // function returns the number of bytes written and any error encountered. func writeExemplar(w enhancedWriter, e *dto.Exemplar) (int, error) { diff --git a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt b/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt deleted file mode 100644 index 7723656d5..000000000 --- a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/README.txt +++ /dev/null @@ -1,67 +0,0 @@ -PACKAGE - -package goautoneg -import "bitbucket.org/ww/goautoneg" - -HTTP Content-Type Autonegotiation. - -The functions in this package implement the behaviour specified in -http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html - -Copyright (c) 2011, Open Knowledge Foundation Ltd. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in - the documentation and/or other materials provided with the - distribution. - - Neither the name of the Open Knowledge Foundation Ltd. nor the - names of its contributors may be used to endorse or promote - products derived from this software without specific prior written - permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - -FUNCTIONS - -func Negotiate(header string, alternatives []string) (content_type string) -Negotiate the most appropriate content_type given the accept header -and a list of alternatives. - -func ParseAccept(header string) (accept []Accept) -Parse an Accept Header string returning a sorted list -of clauses - - -TYPES - -type Accept struct { - Type, SubType string - Q float32 - Params map[string]string -} -Structure to represent a clause in an HTTP Accept Header - - -SUBDIRECTORIES - - .hg diff --git a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go b/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go deleted file mode 100644 index a21b9d15d..000000000 --- a/vendor/github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg/autoneg.go +++ /dev/null @@ -1,160 +0,0 @@ -/* -Copyright (c) 2011, Open Knowledge Foundation Ltd. -All rights reserved. - -HTTP Content-Type Autonegotiation. - -The functions in this package implement the behaviour specified in -http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in - the documentation and/or other materials provided with the - distribution. - - Neither the name of the Open Knowledge Foundation Ltd. nor the - names of its contributors may be used to endorse or promote - products derived from this software without specific prior written - permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ -package goautoneg - -import ( - "sort" - "strconv" - "strings" -) - -// Structure to represent a clause in an HTTP Accept Header -type Accept struct { - Type, SubType string - Q float64 - Params map[string]string -} - -// For internal use, so that we can use the sort interface -type accept_slice []Accept - -func (accept accept_slice) Len() int { - slice := []Accept(accept) - return len(slice) -} - -func (accept accept_slice) Less(i, j int) bool { - slice := []Accept(accept) - ai, aj := slice[i], slice[j] - if ai.Q > aj.Q { - return true - } - if ai.Type != "*" && aj.Type == "*" { - return true - } - if ai.SubType != "*" && aj.SubType == "*" { - return true - } - return false -} - -func (accept accept_slice) Swap(i, j int) { - slice := []Accept(accept) - slice[i], slice[j] = slice[j], slice[i] -} - -// Parse an Accept Header string returning a sorted list -// of clauses -func ParseAccept(header string) (accept []Accept) { - parts := strings.Split(header, ",") - accept = make([]Accept, 0, len(parts)) - for _, part := range parts { - part := strings.Trim(part, " ") - - a := Accept{} - a.Params = make(map[string]string) - a.Q = 1.0 - - mrp := strings.Split(part, ";") - - media_range := mrp[0] - sp := strings.Split(media_range, "/") - a.Type = strings.Trim(sp[0], " ") - - switch { - case len(sp) == 1 && a.Type == "*": - a.SubType = "*" - case len(sp) == 2: - a.SubType = strings.Trim(sp[1], " ") - default: - continue - } - - if len(mrp) == 1 { - accept = append(accept, a) - continue - } - - for _, param := range mrp[1:] { - sp := strings.SplitN(param, "=", 2) - if len(sp) != 2 { - continue - } - token := strings.Trim(sp[0], " ") - if token == "q" { - a.Q, _ = strconv.ParseFloat(sp[1], 32) - } else { - a.Params[token] = strings.Trim(sp[1], " ") - } - } - - accept = append(accept, a) - } - - slice := accept_slice(accept) - sort.Sort(slice) - - return -} - -// Negotiate the most appropriate content_type given the accept header -// and a list of alternatives. -func Negotiate(header string, alternatives []string) (content_type string) { - asp := make([][]string, 0, len(alternatives)) - for _, ctype := range alternatives { - asp = append(asp, strings.SplitN(ctype, "/", 2)) - } - for _, clause := range ParseAccept(header) { - for i, ctsp := range asp { - if clause.Type == ctsp[0] && clause.SubType == ctsp[1] { - content_type = alternatives[i] - return - } - if clause.Type == ctsp[0] && clause.SubType == "*" { - content_type = alternatives[i] - return - } - if clause.Type == "*" && clause.SubType == "*" { - content_type = alternatives[i] - return - } - } - } - return -} diff --git a/vendor/github.com/prometheus/common/model/alert.go b/vendor/github.com/prometheus/common/model/alert.go index 178fdbaf6..80d1fe944 100644 --- a/vendor/github.com/prometheus/common/model/alert.go +++ b/vendor/github.com/prometheus/common/model/alert.go @@ -75,7 +75,12 @@ func (a *Alert) ResolvedAt(ts time.Time) bool { // Status returns the status of the alert. func (a *Alert) Status() AlertStatus { - if a.Resolved() { + return a.StatusAt(time.Now()) +} + +// StatusAt returns the status of the alert at the given timestamp. +func (a *Alert) StatusAt(ts time.Time) AlertStatus { + if a.ResolvedAt(ts) { return AlertResolved } return AlertFiring @@ -127,6 +132,17 @@ func (as Alerts) HasFiring() bool { return false } +// HasFiringAt returns true iff one of the alerts is not resolved +// at the time ts. +func (as Alerts) HasFiringAt(ts time.Time) bool { + for _, a := range as { + if !a.ResolvedAt(ts) { + return true + } + } + return false +} + // Status returns StatusFiring iff at least one of the alerts is firing. func (as Alerts) Status() AlertStatus { if as.HasFiring() { @@ -134,3 +150,12 @@ func (as Alerts) Status() AlertStatus { } return AlertResolved } + +// StatusAt returns StatusFiring iff at least one of the alerts is firing +// at the time ts. +func (as Alerts) StatusAt(ts time.Time) AlertStatus { + if as.HasFiringAt(ts) { + return AlertFiring + } + return AlertResolved +} diff --git a/vendor/github.com/prometheus/common/model/labelset.go b/vendor/github.com/prometheus/common/model/labelset.go index 6eda08a73..d0ad88da3 100644 --- a/vendor/github.com/prometheus/common/model/labelset.go +++ b/vendor/github.com/prometheus/common/model/labelset.go @@ -17,7 +17,6 @@ import ( "encoding/json" "fmt" "sort" - "strings" ) // A LabelSet is a collection of LabelName and LabelValue pairs. The LabelSet @@ -129,16 +128,6 @@ func (l LabelSet) Merge(other LabelSet) LabelSet { return result } -func (l LabelSet) String() string { - lstrs := make([]string, 0, len(l)) - for l, v := range l { - lstrs = append(lstrs, fmt.Sprintf("%s=%q", l, v)) - } - - sort.Strings(lstrs) - return fmt.Sprintf("{%s}", strings.Join(lstrs, ", ")) -} - // Fingerprint returns the LabelSet's fingerprint. func (ls LabelSet) Fingerprint() Fingerprint { return labelSetToFingerprint(ls) diff --git a/vendor/github.com/prometheus/common/model/labelset_string.go b/vendor/github.com/prometheus/common/model/labelset_string.go new file mode 100644 index 000000000..481c47b46 --- /dev/null +++ b/vendor/github.com/prometheus/common/model/labelset_string.go @@ -0,0 +1,45 @@ +// Copyright 2024 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//go:build go1.21 + +package model + +import ( + "bytes" + "slices" + "strconv" +) + +// String will look like `{foo="bar", more="less"}`. Names are sorted alphabetically. +func (l LabelSet) String() string { + var lna [32]string // On stack to avoid memory allocation for sorting names. + labelNames := lna[:0] + for name := range l { + labelNames = append(labelNames, string(name)) + } + slices.Sort(labelNames) + var bytea [1024]byte // On stack to avoid memory allocation while building the output. + b := bytes.NewBuffer(bytea[:0]) + b.WriteByte('{') + for i, name := range labelNames { + if i > 0 { + b.WriteString(", ") + } + b.WriteString(name) + b.WriteByte('=') + b.Write(strconv.AppendQuote(b.AvailableBuffer(), string(l[LabelName(name)]))) + } + b.WriteByte('}') + return b.String() +} diff --git a/vendor/github.com/prometheus/common/model/labelset_string_go120.go b/vendor/github.com/prometheus/common/model/labelset_string_go120.go new file mode 100644 index 000000000..c4212685e --- /dev/null +++ b/vendor/github.com/prometheus/common/model/labelset_string_go120.go @@ -0,0 +1,39 @@ +// Copyright 2024 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +//go:build !go1.21 + +package model + +import ( + "fmt" + "sort" + "strings" +) + +// String was optimized using functions not available for go 1.20 +// or lower. We keep the old implementation for compatibility with client_golang. +// Once client golang drops support for go 1.20 (scheduled for August 2024), this +// file can be removed. +func (l LabelSet) String() string { + labelNames := make([]string, 0, len(l)) + for name := range l { + labelNames = append(labelNames, string(name)) + } + sort.Strings(labelNames) + lstrs := make([]string, 0, len(l)) + for _, name := range labelNames { + lstrs = append(lstrs, fmt.Sprintf("%s=%q", name, l[LabelName(name)])) + } + return fmt.Sprintf("{%s}", strings.Join(lstrs, ", ")) +} diff --git a/vendor/github.com/prometheus/common/model/metric.go b/vendor/github.com/prometheus/common/model/metric.go index 0bd29b3a3..eb865e5a5 100644 --- a/vendor/github.com/prometheus/common/model/metric.go +++ b/vendor/github.com/prometheus/common/model/metric.go @@ -204,6 +204,7 @@ func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricF out := &dto.MetricFamily{ Help: v.Help, Type: v.Type, + Unit: v.Unit, } // If the name is nil, copy as-is, don't try to escape. |