diff options
Diffstat (limited to 'vendor/github.com/prometheus/common')
6 files changed, 116 insertions, 54 deletions
diff --git a/vendor/github.com/prometheus/common/expfmt/decode.go b/vendor/github.com/prometheus/common/expfmt/decode.go index c092723e8..7657f841d 100644 --- a/vendor/github.com/prometheus/common/expfmt/decode.go +++ b/vendor/github.com/prometheus/common/expfmt/decode.go @@ -164,7 +164,7 @@ func (sd *SampleDecoder) Decode(s *model.Vector) error { } // ExtractSamples builds a slice of samples from the provided metric -// families. If an error occurrs during sample extraction, it continues to +// families. If an error occurs during sample extraction, it continues to // extract from the remaining metric families. The returned error is the last // error that has occurred. func ExtractSamples(o *DecodeOptions, fams ...*dto.MetricFamily) (model.Vector, error) { diff --git a/vendor/github.com/prometheus/common/expfmt/encode.go b/vendor/github.com/prometheus/common/expfmt/encode.go index bd4e34745..64dc0eb40 100644 --- a/vendor/github.com/prometheus/common/expfmt/encode.go +++ b/vendor/github.com/prometheus/common/expfmt/encode.go @@ -18,7 +18,7 @@ import ( "io" "net/http" - "github.com/golang/protobuf/proto" + "github.com/golang/protobuf/proto" //nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility. "github.com/matttproud/golang_protobuf_extensions/pbutil" "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg" diff --git a/vendor/github.com/prometheus/common/expfmt/text_parse.go b/vendor/github.com/prometheus/common/expfmt/text_parse.go index 342e5940d..84be0643e 100644 --- a/vendor/github.com/prometheus/common/expfmt/text_parse.go +++ b/vendor/github.com/prometheus/common/expfmt/text_parse.go @@ -24,7 +24,7 @@ import ( dto "github.com/prometheus/client_model/go" - "github.com/golang/protobuf/proto" + "github.com/golang/protobuf/proto" //nolint:staticcheck // Ignore SA1019. Need to keep deprecated package for compatibility. "github.com/prometheus/common/model" ) @@ -299,6 +299,17 @@ func (p *TextParser) startLabelName() stateFn { p.parseError(fmt.Sprintf("expected '=' after label name, found %q", p.currentByte)) return nil } + // Check for duplicate label names. + labels := make(map[string]struct{}) + for _, l := range p.currentMetric.Label { + lName := l.GetName() + if _, exists := labels[lName]; !exists { + labels[lName] = struct{}{} + } else { + p.parseError(fmt.Sprintf("duplicate label names for metric %q", p.currentMF.GetName())) + return nil + } + } return p.startLabelValue } diff --git a/vendor/github.com/prometheus/common/model/fnv.go b/vendor/github.com/prometheus/common/model/fnv.go index 038fc1c90..367afecd3 100644 --- a/vendor/github.com/prometheus/common/model/fnv.go +++ b/vendor/github.com/prometheus/common/model/fnv.go @@ -20,7 +20,7 @@ const ( prime64 = 1099511628211 ) -// hashNew initializies a new fnv64a hash value. +// hashNew initializes a new fnv64a hash value. func hashNew() uint64 { return offset64 } diff --git a/vendor/github.com/prometheus/common/model/labels.go b/vendor/github.com/prometheus/common/model/labels.go index 41051a01a..ef8956335 100644 --- a/vendor/github.com/prometheus/common/model/labels.go +++ b/vendor/github.com/prometheus/common/model/labels.go @@ -45,6 +45,14 @@ const ( // scrape a target. MetricsPathLabel = "__metrics_path__" + // ScrapeIntervalLabel is the name of the label that holds the scrape interval + // used to scrape a target. + ScrapeIntervalLabel = "__scrape_interval__" + + // ScrapeTimeoutLabel is the name of the label that holds the scrape + // timeout used to scrape a target. + ScrapeTimeoutLabel = "__scrape_timeout__" + // ReservedLabelPrefix is a prefix which is not legal in user-supplied // label names. ReservedLabelPrefix = "__" diff --git a/vendor/github.com/prometheus/common/model/time.go b/vendor/github.com/prometheus/common/model/time.go index 490a0240c..7f67b16e4 100644 --- a/vendor/github.com/prometheus/common/model/time.go +++ b/vendor/github.com/prometheus/common/model/time.go @@ -14,6 +14,8 @@ package model import ( + "encoding/json" + "errors" "fmt" "math" "regexp" @@ -181,77 +183,118 @@ func (d *Duration) Type() string { return "duration" } -var durationRE = regexp.MustCompile("^([0-9]+)(y|w|d|h|m|s|ms)$") +var durationRE = regexp.MustCompile("^(([0-9]+)y)?(([0-9]+)w)?(([0-9]+)d)?(([0-9]+)h)?(([0-9]+)m)?(([0-9]+)s)?(([0-9]+)ms)?$") // 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. func ParseDuration(durationStr string) (Duration, error) { - // Allow 0 without a unit. - if durationStr == "0" { + switch durationStr { + case "0": + // Allow 0 without a unit. return 0, nil + case "": + return 0, fmt.Errorf("empty duration string") } matches := durationRE.FindStringSubmatch(durationStr) - if len(matches) != 3 { + if matches == nil { return 0, fmt.Errorf("not a valid duration string: %q", durationStr) } - var ( - n, _ = strconv.Atoi(matches[1]) - dur = time.Duration(n) * time.Millisecond - ) - switch unit := matches[2]; unit { - case "y": - dur *= 1000 * 60 * 60 * 24 * 365 - case "w": - dur *= 1000 * 60 * 60 * 24 * 7 - case "d": - dur *= 1000 * 60 * 60 * 24 - case "h": - dur *= 1000 * 60 * 60 - case "m": - dur *= 1000 * 60 - case "s": - dur *= 1000 - case "ms": - // Value already correct - default: - return 0, fmt.Errorf("invalid time unit in duration string: %q", unit) + var dur time.Duration + + // Parse the match at pos `pos` in the regex and use `mult` to turn that + // into ms, then add that value to the total parsed duration. + var overflowErr error + m := func(pos int, mult time.Duration) { + if matches[pos] == "" { + return + } + n, _ := strconv.Atoi(matches[pos]) + + // Check if the provided duration overflows time.Duration (> ~ 290years). + if n > int((1<<63-1)/mult/time.Millisecond) { + overflowErr = errors.New("duration out of range") + } + d := time.Duration(n) * time.Millisecond + dur += d * mult + + if dur < 0 { + overflowErr = errors.New("duration out of range") + } } - return Duration(dur), nil + + m(2, 1000*60*60*24*365) // y + m(4, 1000*60*60*24*7) // w + m(6, 1000*60*60*24) // d + m(8, 1000*60*60) // h + m(10, 1000*60) // m + m(12, 1000) // s + m(14, 1) // ms + + return Duration(dur), overflowErr } func (d Duration) String() string { var ( - ms = int64(time.Duration(d) / time.Millisecond) - unit = "ms" + ms = int64(time.Duration(d) / time.Millisecond) + r = "" ) if ms == 0 { return "0s" } - factors := map[string]int64{ - "y": 1000 * 60 * 60 * 24 * 365, - "w": 1000 * 60 * 60 * 24 * 7, - "d": 1000 * 60 * 60 * 24, - "h": 1000 * 60 * 60, - "m": 1000 * 60, - "s": 1000, - "ms": 1, + + f := func(unit string, mult int64, exact bool) { + if exact && ms%mult != 0 { + return + } + if v := ms / mult; v > 0 { + r += fmt.Sprintf("%d%s", v, unit) + ms -= v * mult + } } - switch int64(0) { - case ms % factors["y"]: - unit = "y" - case ms % factors["w"]: - unit = "w" - case ms % factors["d"]: - unit = "d" - case ms % factors["h"]: - unit = "h" - case ms % factors["m"]: - unit = "m" - case ms % factors["s"]: - unit = "s" + // Only format years and weeks if the remainder is zero, as it is often + // easier to read 90d than 12w6d. + f("y", 1000*60*60*24*365, true) + f("w", 1000*60*60*24*7, true) + + f("d", 1000*60*60*24, false) + f("h", 1000*60*60, false) + f("m", 1000*60, false) + f("s", 1000, false) + f("ms", 1, false) + + return r +} + +// MarshalJSON implements the json.Marshaler interface. +func (d Duration) MarshalJSON() ([]byte, error) { + return json.Marshal(d.String()) +} + +// UnmarshalJSON implements the json.Unmarshaler interface. +func (d *Duration) UnmarshalJSON(bytes []byte) error { + var s string + if err := json.Unmarshal(bytes, &s); err != nil { + return err + } + dur, err := ParseDuration(s) + if err != nil { + return err } - return fmt.Sprintf("%v%v", ms/factors[unit], unit) + *d = dur + return nil +} + +// MarshalText implements the encoding.TextMarshaler interface. +func (d *Duration) MarshalText() ([]byte, error) { + return []byte(d.String()), nil +} + +// UnmarshalText implements the encoding.TextUnmarshaler interface. +func (d *Duration) UnmarshalText(text []byte) error { + var err error + *d, err = ParseDuration(string(text)) + return err } // MarshalYAML implements the yaml.Marshaler interface. |