diff options
Diffstat (limited to 'vendor/github.com/prometheus/common/model')
16 files changed, 0 insertions, 2556 deletions
diff --git a/vendor/github.com/prometheus/common/model/alert.go b/vendor/github.com/prometheus/common/model/alert.go deleted file mode 100644 index bd3a39e3e..000000000 --- a/vendor/github.com/prometheus/common/model/alert.go +++ /dev/null @@ -1,162 +0,0 @@ -// Copyright 2013 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. - -package model - -import ( - "errors" - "fmt" - "time" -) - -type AlertStatus string - -const ( - AlertFiring AlertStatus = "firing" - AlertResolved AlertStatus = "resolved" -) - -// Alert is a generic representation of an alert in the Prometheus eco-system. -type Alert struct { - // Label value pairs for purpose of aggregation, matching, and disposition - // dispatching. This must minimally include an "alertname" label. - Labels LabelSet `json:"labels"` - - // Extra key/value information which does not define alert identity. - Annotations LabelSet `json:"annotations"` - - // The known time range for this alert. Both ends are optional. - StartsAt time.Time `json:"startsAt,omitempty"` - EndsAt time.Time `json:"endsAt,omitempty"` - GeneratorURL string `json:"generatorURL"` -} - -// Name returns the name of the alert. It is equivalent to the "alertname" label. -func (a *Alert) Name() string { - return string(a.Labels[AlertNameLabel]) -} - -// Fingerprint returns a unique hash for the alert. It is equivalent to -// the fingerprint of the alert's label set. -func (a *Alert) Fingerprint() Fingerprint { - return a.Labels.Fingerprint() -} - -func (a *Alert) String() string { - s := fmt.Sprintf("%s[%s]", a.Name(), a.Fingerprint().String()[:7]) - if a.Resolved() { - return s + "[resolved]" - } - return s + "[active]" -} - -// Resolved returns true iff the activity interval ended in the past. -func (a *Alert) Resolved() bool { - return a.ResolvedAt(time.Now()) -} - -// ResolvedAt returns true off the activity interval ended before -// the given timestamp. -func (a *Alert) ResolvedAt(ts time.Time) bool { - if a.EndsAt.IsZero() { - return false - } - return !a.EndsAt.After(ts) -} - -// Status returns the status of the alert. -func (a *Alert) Status() AlertStatus { - 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 -} - -// Validate checks whether the alert data is inconsistent. -func (a *Alert) Validate() error { - if a.StartsAt.IsZero() { - return errors.New("start time missing") - } - if !a.EndsAt.IsZero() && a.EndsAt.Before(a.StartsAt) { - return errors.New("start time must be before end time") - } - if err := a.Labels.Validate(); err != nil { - return fmt.Errorf("invalid label set: %w", err) - } - if len(a.Labels) == 0 { - return errors.New("at least one label pair required") - } - if err := a.Annotations.Validate(); err != nil { - return fmt.Errorf("invalid annotations: %w", err) - } - return nil -} - -// Alert is a list of alerts that can be sorted in chronological order. -type Alerts []*Alert - -func (as Alerts) Len() int { return len(as) } -func (as Alerts) Swap(i, j int) { as[i], as[j] = as[j], as[i] } - -func (as Alerts) Less(i, j int) bool { - if as[i].StartsAt.Before(as[j].StartsAt) { - return true - } - if as[i].EndsAt.Before(as[j].EndsAt) { - return true - } - return as[i].Fingerprint() < as[j].Fingerprint() -} - -// HasFiring returns true iff one of the alerts is not resolved. -func (as Alerts) HasFiring() bool { - for _, a := range as { - if !a.Resolved() { - return true - } - } - 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() { - return AlertFiring - } - 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/fingerprinting.go b/vendor/github.com/prometheus/common/model/fingerprinting.go deleted file mode 100644 index fc4de4106..000000000 --- a/vendor/github.com/prometheus/common/model/fingerprinting.go +++ /dev/null @@ -1,105 +0,0 @@ -// Copyright 2013 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. - -package model - -import ( - "fmt" - "strconv" -) - -// Fingerprint provides a hash-capable representation of a Metric. -// For our purposes, FNV-1A 64-bit is used. -type Fingerprint uint64 - -// FingerprintFromString transforms a string representation into a Fingerprint. -func FingerprintFromString(s string) (Fingerprint, error) { - num, err := strconv.ParseUint(s, 16, 64) - return Fingerprint(num), err -} - -// ParseFingerprint parses the input string into a fingerprint. -func ParseFingerprint(s string) (Fingerprint, error) { - num, err := strconv.ParseUint(s, 16, 64) - if err != nil { - return 0, err - } - return Fingerprint(num), nil -} - -func (f Fingerprint) String() string { - return fmt.Sprintf("%016x", uint64(f)) -} - -// Fingerprints represents a collection of Fingerprint subject to a given -// natural sorting scheme. It implements sort.Interface. -type Fingerprints []Fingerprint - -// Len implements sort.Interface. -func (f Fingerprints) Len() int { - return len(f) -} - -// Less implements sort.Interface. -func (f Fingerprints) Less(i, j int) bool { - return f[i] < f[j] -} - -// Swap implements sort.Interface. -func (f Fingerprints) Swap(i, j int) { - f[i], f[j] = f[j], f[i] -} - -// FingerprintSet is a set of Fingerprints. -type FingerprintSet map[Fingerprint]struct{} - -// Equal returns true if both sets contain the same elements (and not more). -func (s FingerprintSet) Equal(o FingerprintSet) bool { - if len(s) != len(o) { - return false - } - - for k := range s { - if _, ok := o[k]; !ok { - return false - } - } - - return true -} - -// Intersection returns the elements contained in both sets. -func (s FingerprintSet) Intersection(o FingerprintSet) FingerprintSet { - myLength, otherLength := len(s), len(o) - if myLength == 0 || otherLength == 0 { - return FingerprintSet{} - } - - subSet := s - superSet := o - - if otherLength < myLength { - subSet = o - superSet = s - } - - out := FingerprintSet{} - - for k := range subSet { - if _, ok := superSet[k]; ok { - out[k] = struct{}{} - } - } - - return out -} diff --git a/vendor/github.com/prometheus/common/model/fnv.go b/vendor/github.com/prometheus/common/model/fnv.go deleted file mode 100644 index 367afecd3..000000000 --- a/vendor/github.com/prometheus/common/model/fnv.go +++ /dev/null @@ -1,42 +0,0 @@ -// Copyright 2015 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. - -package model - -// Inline and byte-free variant of hash/fnv's fnv64a. - -const ( - offset64 = 14695981039346656037 - prime64 = 1099511628211 -) - -// hashNew initializes a new fnv64a hash value. -func hashNew() uint64 { - return offset64 -} - -// hashAdd adds a string to a fnv64a hash value, returning the updated hash. -func hashAdd(h uint64, s string) uint64 { - for i := 0; i < len(s); i++ { - h ^= uint64(s[i]) - h *= prime64 - } - return h -} - -// hashAddByte adds a byte to a fnv64a hash value, returning the updated hash. -func hashAddByte(h uint64, b byte) uint64 { - h ^= uint64(b) - h *= prime64 - return h -} diff --git a/vendor/github.com/prometheus/common/model/labels.go b/vendor/github.com/prometheus/common/model/labels.go deleted file mode 100644 index 73b7aa3e6..000000000 --- a/vendor/github.com/prometheus/common/model/labels.go +++ /dev/null @@ -1,235 +0,0 @@ -// Copyright 2013 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. - -package model - -import ( - "encoding/json" - "fmt" - "regexp" - "strings" - "unicode/utf8" -) - -const ( - // AlertNameLabel is the name of the label containing the an alert's name. - AlertNameLabel = "alertname" - - // 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. - ExportedLabelPrefix = "exported_" - - // MetricNameLabel is the label name indicating the metric name of a - // timeseries. - MetricNameLabel = "__name__" - - // SchemeLabel is the name of the label that holds the scheme on which to - // scrape a target. - SchemeLabel = "__scheme__" - - // AddressLabel is the name of the label that holds the address of - // a scrape target. - AddressLabel = "__address__" - - // MetricsPathLabel is the name of the label that holds the path on which to - // 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 = "__" - - // MetaLabelPrefix is a prefix for labels that provide meta information. - // Labels with this prefix are used for intermediate label processing and - // will not be attached to time series. - MetaLabelPrefix = "__meta_" - - // TmpLabelPrefix is a prefix for temporary labels as part of relabelling. - // Labels with this prefix are used for intermediate label processing and - // will not be attached to time series. This is reserved for use in - // Prometheus configuration files by users. - TmpLabelPrefix = "__tmp_" - - // ParamLabelPrefix is a prefix for labels that provide URL parameters - // used to scrape a target. - ParamLabelPrefix = "__param_" - - // JobLabel is the label name indicating the job from which a timeseries - // was scraped. - JobLabel = "job" - - // InstanceLabel is the label name used for the instance label. - InstanceLabel = "instance" - - // BucketLabel is used for the label that defines the upper bound of a - // bucket of a histogram ("le" -> "less or equal"). - BucketLabel = "le" - - // QuantileLabel is used for the label that defines the quantile in a - // summary. - QuantileLabel = "quantile" -) - -// LabelNameRE is a regular expression matching valid label names. Note that the -// IsValid method of LabelName performs the same check but faster than a match -// with this regular expression. -var LabelNameRE = regexp.MustCompile("^[a-zA-Z_][a-zA-Z0-9_]*$") - -// A LabelName is a key for a LabelSet or Metric. It has a value associated -// therewith. -type LabelName string - -// IsValid returns true iff the name matches the pattern of LabelNameRE when -// NameValidationScheme is set to LegacyValidation, or valid UTF-8 if -// NameValidationScheme is set to UTF8Validation. -func (ln LabelName) IsValid() bool { - if len(ln) == 0 { - return false - } - switch NameValidationScheme { - case LegacyValidation: - return ln.IsValidLegacy() - case UTF8Validation: - return utf8.ValidString(string(ln)) - default: - panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme)) - } -} - -// IsValidLegacy returns true iff name matches the pattern of LabelNameRE for -// legacy names. It does not use LabelNameRE for the check but a much faster -// hardcoded implementation. -func (ln LabelName) IsValidLegacy() bool { - if len(ln) == 0 { - return false - } - for i, b := range ln { - if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) { - return false - } - } - return true -} - -// UnmarshalYAML implements the yaml.Unmarshaler interface. -func (ln *LabelName) UnmarshalYAML(unmarshal func(interface{}) error) error { - var s string - if err := unmarshal(&s); err != nil { - return err - } - if !LabelName(s).IsValid() { - return fmt.Errorf("%q is not a valid label name", s) - } - *ln = LabelName(s) - return nil -} - -// UnmarshalJSON implements the json.Unmarshaler interface. -func (ln *LabelName) UnmarshalJSON(b []byte) error { - var s string - if err := json.Unmarshal(b, &s); err != nil { - return err - } - if !LabelName(s).IsValid() { - return fmt.Errorf("%q is not a valid label name", s) - } - *ln = LabelName(s) - return nil -} - -// LabelNames is a sortable LabelName slice. In implements sort.Interface. -type LabelNames []LabelName - -func (l LabelNames) Len() int { - return len(l) -} - -func (l LabelNames) Less(i, j int) bool { - return l[i] < l[j] -} - -func (l LabelNames) Swap(i, j int) { - l[i], l[j] = l[j], l[i] -} - -func (l LabelNames) String() string { - labelStrings := make([]string, 0, len(l)) - for _, label := range l { - labelStrings = append(labelStrings, string(label)) - } - return strings.Join(labelStrings, ", ") -} - -// A LabelValue is an associated value for a LabelName. -type LabelValue string - -// IsValid returns true iff the string is a valid UTF-8. -func (lv LabelValue) IsValid() bool { - return utf8.ValidString(string(lv)) -} - -// LabelValues is a sortable LabelValue slice. It implements sort.Interface. -type LabelValues []LabelValue - -func (l LabelValues) Len() int { - return len(l) -} - -func (l LabelValues) Less(i, j int) bool { - return string(l[i]) < string(l[j]) -} - -func (l LabelValues) Swap(i, j int) { - l[i], l[j] = l[j], l[i] -} - -// LabelPair pairs a name with a value. -type LabelPair struct { - Name LabelName - Value LabelValue -} - -// LabelPairs is a sortable slice of LabelPair pointers. It implements -// sort.Interface. -type LabelPairs []*LabelPair - -func (l LabelPairs) Len() int { - return len(l) -} - -func (l LabelPairs) Less(i, j int) bool { - switch { - case l[i].Name > l[j].Name: - return false - case l[i].Name < l[j].Name: - return true - case l[i].Value > l[j].Value: - return false - case l[i].Value < l[j].Value: - return true - default: - return false - } -} - -func (l LabelPairs) Swap(i, j int) { - l[i], l[j] = l[j], l[i] -} diff --git a/vendor/github.com/prometheus/common/model/labelset.go b/vendor/github.com/prometheus/common/model/labelset.go deleted file mode 100644 index d0ad88da3..000000000 --- a/vendor/github.com/prometheus/common/model/labelset.go +++ /dev/null @@ -1,158 +0,0 @@ -// Copyright 2013 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. - -package model - -import ( - "encoding/json" - "fmt" - "sort" -) - -// A LabelSet is a collection of LabelName and LabelValue pairs. The LabelSet -// may be fully-qualified down to the point where it may resolve to a single -// Metric in the data store or not. All operations that occur within the realm -// of a LabelSet can emit a vector of Metric entities to which the LabelSet may -// match. -type LabelSet map[LabelName]LabelValue - -// Validate checks whether all names and values in the label set -// are valid. -func (ls LabelSet) Validate() error { - for ln, lv := range ls { - if !ln.IsValid() { - return fmt.Errorf("invalid name %q", ln) - } - if !lv.IsValid() { - return fmt.Errorf("invalid value %q", lv) - } - } - return nil -} - -// Equal returns true iff both label sets have exactly the same key/value pairs. -func (ls LabelSet) Equal(o LabelSet) bool { - if len(ls) != len(o) { - return false - } - for ln, lv := range ls { - olv, ok := o[ln] - if !ok { - return false - } - if olv != lv { - return false - } - } - return true -} - -// Before compares the metrics, using the following criteria: -// -// If m has fewer labels than o, it is before o. If it has more, it is not. -// -// If the number of labels is the same, the superset of all label names is -// sorted alphanumerically. The first differing label pair found in that order -// determines the outcome: If the label does not exist at all in m, then m is -// before o, and vice versa. Otherwise the label value is compared -// alphanumerically. -// -// If m and o are equal, the method returns false. -func (ls LabelSet) Before(o LabelSet) bool { - if len(ls) < len(o) { - return true - } - if len(ls) > len(o) { - return false - } - - lns := make(LabelNames, 0, len(ls)+len(o)) - for ln := range ls { - lns = append(lns, ln) - } - for ln := range o { - lns = append(lns, ln) - } - // It's probably not worth it to de-dup lns. - sort.Sort(lns) - for _, ln := range lns { - mlv, ok := ls[ln] - if !ok { - return true - } - olv, ok := o[ln] - if !ok { - return false - } - if mlv < olv { - return true - } - if mlv > olv { - return false - } - } - return false -} - -// Clone returns a copy of the label set. -func (ls LabelSet) Clone() LabelSet { - lsn := make(LabelSet, len(ls)) - for ln, lv := range ls { - lsn[ln] = lv - } - return lsn -} - -// Merge is a helper function to non-destructively merge two label sets. -func (l LabelSet) Merge(other LabelSet) LabelSet { - result := make(LabelSet, len(l)) - - for k, v := range l { - result[k] = v - } - - for k, v := range other { - result[k] = v - } - - return result -} - -// Fingerprint returns the LabelSet's fingerprint. -func (ls LabelSet) Fingerprint() Fingerprint { - return labelSetToFingerprint(ls) -} - -// FastFingerprint returns the LabelSet's Fingerprint calculated by a faster hashing -// algorithm, which is, however, more susceptible to hash collisions. -func (ls LabelSet) FastFingerprint() Fingerprint { - return labelSetToFastFingerprint(ls) -} - -// UnmarshalJSON implements the json.Unmarshaler interface. -func (l *LabelSet) UnmarshalJSON(b []byte) error { - var m map[LabelName]LabelValue - if err := json.Unmarshal(b, &m); err != nil { - return err - } - // encoding/json only unmarshals maps of the form map[string]T. It treats - // LabelName as a string and does not call its UnmarshalJSON method. - // Thus, we have to replicate the behavior here. - for ln := range m { - if !ln.IsValid() { - return fmt.Errorf("%q is not a valid label name", ln) - } - } - *l = LabelSet(m) - return nil -} diff --git a/vendor/github.com/prometheus/common/model/labelset_string.go b/vendor/github.com/prometheus/common/model/labelset_string.go deleted file mode 100644 index abb2c9001..000000000 --- a/vendor/github.com/prometheus/common/model/labelset_string.go +++ /dev/null @@ -1,43 +0,0 @@ -// 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. - -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/metadata.go b/vendor/github.com/prometheus/common/model/metadata.go deleted file mode 100644 index 447ab8ad6..000000000 --- a/vendor/github.com/prometheus/common/model/metadata.go +++ /dev/null @@ -1,28 +0,0 @@ -// Copyright 2023 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. - -package model - -// MetricType represents metric type values. -type MetricType string - -const ( - MetricTypeCounter = MetricType("counter") - MetricTypeGauge = MetricType("gauge") - MetricTypeHistogram = MetricType("histogram") - MetricTypeGaugeHistogram = MetricType("gaugehistogram") - MetricTypeSummary = MetricType("summary") - MetricTypeInfo = MetricType("info") - MetricTypeStateset = MetricType("stateset") - MetricTypeUnknown = MetricType("unknown") -) diff --git a/vendor/github.com/prometheus/common/model/metric.go b/vendor/github.com/prometheus/common/model/metric.go deleted file mode 100644 index 0daca836a..000000000 --- a/vendor/github.com/prometheus/common/model/metric.go +++ /dev/null @@ -1,453 +0,0 @@ -// Copyright 2013 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. - -package model - -import ( - "errors" - "fmt" - "regexp" - "sort" - "strconv" - "strings" - "unicode/utf8" - - dto "github.com/prometheus/client_model/go" - "google.golang.org/protobuf/proto" -) - -var ( - // NameValidationScheme determines the method of name validation to be used by - // all calls to IsValidMetricName() and LabelName IsValid(). Setting UTF-8 mode - // in isolation from other components that don't support UTF-8 may result in - // bugs or other undefined behavior. This value is intended to be set by - // UTF-8-aware binaries as part of their startup. To avoid need for locking, - // this value should be set once, ideally in an init(), before multiple - // goroutines are started. - NameValidationScheme = LegacyValidation - - // NameEscapingScheme defines the default way that names will be escaped when - // presented to systems that do not support UTF-8 names. If the Content-Type - // "escaping" term is specified, that will override this value. - // NameEscapingScheme should not be set to the NoEscaping value. That string - // is used in content negotiation to indicate that a system supports UTF-8 and - // has that feature enabled. - NameEscapingScheme = UnderscoreEscaping -) - -// ValidationScheme is a Go enum for determining how metric and label names will -// be validated by this library. -type ValidationScheme int - -const ( - // LegacyValidation is a setting that requirets that metric and label names - // conform to the original Prometheus character requirements described by - // MetricNameRE and LabelNameRE. - LegacyValidation ValidationScheme = iota - - // UTF8Validation only requires that metric and label names be valid UTF-8 - // strings. - UTF8Validation -) - -type EscapingScheme int - -const ( - // NoEscaping indicates that a name will not be escaped. Unescaped names that - // do not conform to the legacy validity check will use a new exposition - // format syntax that will be officially standardized in future versions. - NoEscaping EscapingScheme = iota - - // UnderscoreEscaping replaces all legacy-invalid characters with underscores. - UnderscoreEscaping - - // DotsEscaping is similar to UnderscoreEscaping, except that dots are - // converted to `_dot_` and pre-existing underscores are converted to `__`. - DotsEscaping - - // ValueEncodingEscaping prepends the name with `U__` and replaces all invalid - // characters with the unicode value, surrounded by underscores. Single - // underscores are replaced with double underscores. - ValueEncodingEscaping -) - -const ( - // EscapingKey is the key in an Accept or Content-Type header that defines how - // metric and label names that do not conform to the legacy character - // requirements should be escaped when being scraped by a legacy prometheus - // system. If a system does not explicitly pass an escaping parameter in the - // Accept header, the default NameEscapingScheme will be used. - EscapingKey = "escaping" - - // Possible values for Escaping Key: - AllowUTF8 = "allow-utf-8" // No escaping required. - EscapeUnderscores = "underscores" - EscapeDots = "dots" - EscapeValues = "values" -) - -// MetricNameRE is a regular expression matching valid metric -// names. Note that the IsValidMetricName function performs the same -// check but faster than a match with this regular expression. -var MetricNameRE = regexp.MustCompile(`^[a-zA-Z_:][a-zA-Z0-9_:]*$`) - -// 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. -type Metric LabelSet - -// Equal compares the metrics. -func (m Metric) Equal(o Metric) bool { - return LabelSet(m).Equal(LabelSet(o)) -} - -// Before compares the metrics' underlying label sets. -func (m Metric) Before(o Metric) bool { - return LabelSet(m).Before(LabelSet(o)) -} - -// Clone returns a copy of the Metric. -func (m Metric) Clone() Metric { - clone := make(Metric, len(m)) - for k, v := range m { - clone[k] = v - } - return clone -} - -func (m Metric) String() string { - metricName, hasName := m[MetricNameLabel] - numLabels := len(m) - 1 - if !hasName { - numLabels = len(m) - } - labelStrings := make([]string, 0, numLabels) - for label, value := range m { - if label != MetricNameLabel { - labelStrings = append(labelStrings, fmt.Sprintf("%s=%q", label, value)) - } - } - - switch numLabels { - case 0: - if hasName { - return string(metricName) - } - return "{}" - default: - sort.Strings(labelStrings) - return fmt.Sprintf("%s{%s}", metricName, strings.Join(labelStrings, ", ")) - } -} - -// Fingerprint returns a Metric's Fingerprint. -func (m Metric) Fingerprint() Fingerprint { - return LabelSet(m).Fingerprint() -} - -// FastFingerprint returns a Metric's Fingerprint calculated by a faster hashing -// algorithm, which is, however, more susceptible to hash collisions. -func (m Metric) FastFingerprint() Fingerprint { - return LabelSet(m).FastFingerprint() -} - -// IsValidMetricName returns true iff name matches the pattern of MetricNameRE -// for legacy names, and iff it's valid UTF-8 if the UTF8Validation scheme is -// selected. -func IsValidMetricName(n LabelValue) bool { - switch NameValidationScheme { - case LegacyValidation: - return IsValidLegacyMetricName(string(n)) - case UTF8Validation: - if len(n) == 0 { - return false - } - return utf8.ValidString(string(n)) - default: - panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme)) - } -} - -// IsValidLegacyMetricName is similar to IsValidMetricName but always uses the -// legacy validation scheme regardless of the value of NameValidationScheme. -// This function, however, does not use MetricNameRE for the check but a much -// faster hardcoded implementation. -func IsValidLegacyMetricName(n string) bool { - if len(n) == 0 { - return false - } - for i, b := range n { - if !isValidLegacyRune(b, i) { - return false - } - } - return true -} - -// EscapeMetricFamily escapes the given metric names and labels with the given -// escaping scheme. Returns a new object that uses the same pointers to fields -// when possible and creates new escaped versions so as not to mutate the -// input. -func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricFamily { - if v == nil { - return nil - } - - if scheme == NoEscaping { - return v - } - - 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. - if v.Name == nil || IsValidLegacyMetricName(v.GetName()) { - out.Name = v.Name - } else { - out.Name = proto.String(EscapeName(v.GetName(), scheme)) - } - for _, m := range v.Metric { - if !metricNeedsEscaping(m) { - out.Metric = append(out.Metric, m) - continue - } - - escaped := &dto.Metric{ - Gauge: m.Gauge, - Counter: m.Counter, - Summary: m.Summary, - Untyped: m.Untyped, - Histogram: m.Histogram, - TimestampMs: m.TimestampMs, - } - - for _, l := range m.Label { - if l.GetName() == MetricNameLabel { - if l.Value == nil || IsValidLegacyMetricName(l.GetValue()) { - escaped.Label = append(escaped.Label, l) - continue - } - escaped.Label = append(escaped.Label, &dto.LabelPair{ - Name: proto.String(MetricNameLabel), - Value: proto.String(EscapeName(l.GetValue(), scheme)), - }) - continue - } - if l.Name == nil || IsValidLegacyMetricName(l.GetName()) { - escaped.Label = append(escaped.Label, l) - continue - } - escaped.Label = append(escaped.Label, &dto.LabelPair{ - Name: proto.String(EscapeName(l.GetName(), scheme)), - Value: l.Value, - }) - } - out.Metric = append(out.Metric, escaped) - } - return out -} - -func metricNeedsEscaping(m *dto.Metric) bool { - for _, l := range m.Label { - if l.GetName() == MetricNameLabel && !IsValidLegacyMetricName(l.GetValue()) { - return true - } - if !IsValidLegacyMetricName(l.GetName()) { - return true - } - } - return false -} - -// EscapeName escapes the incoming name according to the provided escaping -// scheme. Depending on the rules of escaping, this may cause no change in the -// string that is returned. (Especially NoEscaping, which by definition is a -// noop). This function does not do any validation of the name. -func EscapeName(name string, scheme EscapingScheme) string { - if len(name) == 0 { - return name - } - var escaped strings.Builder - switch scheme { - case NoEscaping: - return name - case UnderscoreEscaping: - if IsValidLegacyMetricName(name) { - return name - } - for i, b := range name { - if isValidLegacyRune(b, i) { - escaped.WriteRune(b) - } else { - escaped.WriteRune('_') - } - } - return escaped.String() - case DotsEscaping: - // Do not early return for legacy valid names, we still escape underscores. - for i, b := range name { - if b == '_' { - escaped.WriteString("__") - } else if b == '.' { - escaped.WriteString("_dot_") - } else if isValidLegacyRune(b, i) { - escaped.WriteRune(b) - } else { - escaped.WriteString("__") - } - } - return escaped.String() - case ValueEncodingEscaping: - if IsValidLegacyMetricName(name) { - return name - } - escaped.WriteString("U__") - for i, b := range name { - if b == '_' { - escaped.WriteString("__") - } else if isValidLegacyRune(b, i) { - escaped.WriteRune(b) - } else if !utf8.ValidRune(b) { - escaped.WriteString("_FFFD_") - } else { - escaped.WriteRune('_') - escaped.WriteString(strconv.FormatInt(int64(b), 16)) - escaped.WriteRune('_') - } - } - return escaped.String() - default: - panic(fmt.Sprintf("invalid escaping scheme %d", scheme)) - } -} - -// lower function taken from strconv.atoi -func lower(c byte) byte { - return c | ('x' - 'X') -} - -// UnescapeName unescapes the incoming name according to the provided escaping -// scheme if possible. Some schemes are partially or totally non-roundtripable. -// If any error is enountered, returns the original input. -func UnescapeName(name string, scheme EscapingScheme) string { - if len(name) == 0 { - return name - } - switch scheme { - case NoEscaping: - return name - case UnderscoreEscaping: - // It is not possible to unescape from underscore replacement. - return name - case DotsEscaping: - name = strings.ReplaceAll(name, "_dot_", ".") - name = strings.ReplaceAll(name, "__", "_") - return name - case ValueEncodingEscaping: - escapedName, found := strings.CutPrefix(name, "U__") - if !found { - return name - } - - var unescaped strings.Builder - TOP: - for i := 0; i < len(escapedName); i++ { - // All non-underscores are treated normally. - if escapedName[i] != '_' { - unescaped.WriteByte(escapedName[i]) - continue - } - i++ - if i >= len(escapedName) { - return name - } - // A double underscore is a single underscore. - if escapedName[i] == '_' { - unescaped.WriteByte('_') - continue - } - // We think we are in a UTF-8 code, process it. - var utf8Val uint - for j := 0; i < len(escapedName); j++ { - // This is too many characters for a utf8 value based on the MaxRune - // value of '\U0010FFFF'. - if j >= 6 { - return name - } - // Found a closing underscore, convert to a rune, check validity, and append. - if escapedName[i] == '_' { - utf8Rune := rune(utf8Val) - if !utf8.ValidRune(utf8Rune) { - return name - } - unescaped.WriteRune(utf8Rune) - continue TOP - } - r := lower(escapedName[i]) - utf8Val *= 16 - if r >= '0' && r <= '9' { - utf8Val += uint(r) - '0' - } else if r >= 'a' && r <= 'f' { - utf8Val += uint(r) - 'a' + 10 - } else { - return name - } - i++ - } - // Didn't find closing underscore, invalid. - return name - } - return unescaped.String() - default: - panic(fmt.Sprintf("invalid escaping scheme %d", scheme)) - } -} - -func isValidLegacyRune(b rune, i int) bool { - return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0) -} - -func (e EscapingScheme) String() string { - switch e { - case NoEscaping: - return AllowUTF8 - case UnderscoreEscaping: - return EscapeUnderscores - case DotsEscaping: - return EscapeDots - case ValueEncodingEscaping: - return EscapeValues - default: - panic(fmt.Sprintf("unknown format scheme %d", e)) - } -} - -func ToEscapingScheme(s string) (EscapingScheme, error) { - if s == "" { - return NoEscaping, errors.New("got empty string instead of escaping scheme") - } - switch s { - case AllowUTF8: - return NoEscaping, nil - case EscapeUnderscores: - return UnderscoreEscaping, nil - case EscapeDots: - return DotsEscaping, nil - case EscapeValues: - return ValueEncodingEscaping, nil - default: - return NoEscaping, fmt.Errorf("unknown format scheme %s", s) - } -} diff --git a/vendor/github.com/prometheus/common/model/model.go b/vendor/github.com/prometheus/common/model/model.go deleted file mode 100644 index a7b969170..000000000 --- a/vendor/github.com/prometheus/common/model/model.go +++ /dev/null @@ -1,16 +0,0 @@ -// Copyright 2013 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. - -// Package model contains common data structures that are shared across -// Prometheus components and libraries. -package model diff --git a/vendor/github.com/prometheus/common/model/signature.go b/vendor/github.com/prometheus/common/model/signature.go deleted file mode 100644 index dc8a0026c..000000000 --- a/vendor/github.com/prometheus/common/model/signature.go +++ /dev/null @@ -1,142 +0,0 @@ -// Copyright 2014 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. - -package model - -import ( - "sort" -) - -// 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). -const SeparatorByte byte = 255 - -// cache the signature of an empty label set. -var emptyLabelSignature = hashNew() - -// LabelsToSignature returns a quasi-unique signature (i.e., fingerprint) for a -// given label set. (Collisions are possible but unlikely if the number of label -// sets the function is applied to is small.) -func LabelsToSignature(labels map[string]string) uint64 { - if len(labels) == 0 { - return emptyLabelSignature - } - - labelNames := make([]string, 0, len(labels)) - for labelName := range labels { - labelNames = append(labelNames, labelName) - } - sort.Strings(labelNames) - - sum := hashNew() - for _, labelName := range labelNames { - sum = hashAdd(sum, labelName) - sum = hashAddByte(sum, SeparatorByte) - sum = hashAdd(sum, labels[labelName]) - sum = hashAddByte(sum, SeparatorByte) - } - return sum -} - -// labelSetToFingerprint works exactly as LabelsToSignature but takes a LabelSet as -// parameter (rather than a label map) and returns a Fingerprint. -func labelSetToFingerprint(ls LabelSet) Fingerprint { - if len(ls) == 0 { - return Fingerprint(emptyLabelSignature) - } - - labelNames := make(LabelNames, 0, len(ls)) - for labelName := range ls { - labelNames = append(labelNames, labelName) - } - sort.Sort(labelNames) - - sum := hashNew() - for _, labelName := range labelNames { - sum = hashAdd(sum, string(labelName)) - sum = hashAddByte(sum, SeparatorByte) - sum = hashAdd(sum, string(ls[labelName])) - sum = hashAddByte(sum, SeparatorByte) - } - return Fingerprint(sum) -} - -// labelSetToFastFingerprint works similar to labelSetToFingerprint but uses a -// faster and less allocation-heavy hash function, which is more susceptible to -// create hash collisions. Therefore, collision detection should be applied. -func labelSetToFastFingerprint(ls LabelSet) Fingerprint { - if len(ls) == 0 { - return Fingerprint(emptyLabelSignature) - } - - var result uint64 - for labelName, labelValue := range ls { - sum := hashNew() - sum = hashAdd(sum, string(labelName)) - sum = hashAddByte(sum, SeparatorByte) - sum = hashAdd(sum, string(labelValue)) - result ^= sum - } - return Fingerprint(result) -} - -// 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. The labels passed in -// will be sorted by this function. -func SignatureForLabels(m Metric, labels ...LabelName) uint64 { - if len(labels) == 0 { - return emptyLabelSignature - } - - sort.Sort(LabelNames(labels)) - - sum := hashNew() - for _, label := range labels { - sum = hashAdd(sum, string(label)) - sum = hashAddByte(sum, SeparatorByte) - sum = hashAdd(sum, string(m[label])) - sum = hashAddByte(sum, SeparatorByte) - } - return sum -} - -// 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. -func SignatureWithoutLabels(m Metric, labels map[LabelName]struct{}) uint64 { - if len(m) == 0 { - return emptyLabelSignature - } - - labelNames := make(LabelNames, 0, len(m)) - for labelName := range m { - if _, exclude := labels[labelName]; !exclude { - labelNames = append(labelNames, labelName) - } - } - if len(labelNames) == 0 { - return emptyLabelSignature - } - sort.Sort(labelNames) - - sum := hashNew() - for _, labelName := range labelNames { - sum = hashAdd(sum, string(labelName)) - sum = hashAddByte(sum, SeparatorByte) - sum = hashAdd(sum, string(m[labelName])) - sum = hashAddByte(sum, SeparatorByte) - } - return sum -} diff --git a/vendor/github.com/prometheus/common/model/silence.go b/vendor/github.com/prometheus/common/model/silence.go deleted file mode 100644 index 8f91a9702..000000000 --- a/vendor/github.com/prometheus/common/model/silence.go +++ /dev/null @@ -1,107 +0,0 @@ -// Copyright 2015 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. - -package model - -import ( - "encoding/json" - "errors" - "fmt" - "regexp" - "time" -) - -// Matcher describes a matches the value of a given label. -type Matcher struct { - Name LabelName `json:"name"` - Value string `json:"value"` - IsRegex bool `json:"isRegex"` -} - -func (m *Matcher) UnmarshalJSON(b []byte) error { - type plain Matcher - if err := json.Unmarshal(b, (*plain)(m)); err != nil { - return err - } - - if len(m.Name) == 0 { - return errors.New("label name in matcher must not be empty") - } - if m.IsRegex { - if _, err := regexp.Compile(m.Value); err != nil { - return err - } - } - return nil -} - -// Validate returns true iff all fields of the matcher have valid values. -func (m *Matcher) Validate() error { - if !m.Name.IsValid() { - return fmt.Errorf("invalid name %q", m.Name) - } - if m.IsRegex { - if _, err := regexp.Compile(m.Value); err != nil { - return fmt.Errorf("invalid regular expression %q", m.Value) - } - } else if !LabelValue(m.Value).IsValid() || len(m.Value) == 0 { - return fmt.Errorf("invalid value %q", m.Value) - } - return nil -} - -// Silence defines the representation of a silence definition in the Prometheus -// eco-system. -type Silence struct { - ID uint64 `json:"id,omitempty"` - - Matchers []*Matcher `json:"matchers"` - - StartsAt time.Time `json:"startsAt"` - EndsAt time.Time `json:"endsAt"` - - CreatedAt time.Time `json:"createdAt,omitempty"` - CreatedBy string `json:"createdBy"` - Comment string `json:"comment,omitempty"` -} - -// Validate returns true iff all fields of the silence have valid values. -func (s *Silence) Validate() error { - if len(s.Matchers) == 0 { - return errors.New("at least one matcher required") - } - for _, m := range s.Matchers { - if err := m.Validate(); err != nil { - return fmt.Errorf("invalid matcher: %w", err) - } - } - if s.StartsAt.IsZero() { - return errors.New("start time missing") - } - if s.EndsAt.IsZero() { - return errors.New("end time missing") - } - if s.EndsAt.Before(s.StartsAt) { - return errors.New("start time must be before end time") - } - if s.CreatedBy == "" { - return errors.New("creator information missing") - } - if s.Comment == "" { - return errors.New("comment missing") - } - if s.CreatedAt.IsZero() { - return errors.New("creation timestamp missing") - } - return nil -} diff --git a/vendor/github.com/prometheus/common/model/time.go b/vendor/github.com/prometheus/common/model/time.go deleted file mode 100644 index 5727452c1..000000000 --- a/vendor/github.com/prometheus/common/model/time.go +++ /dev/null @@ -1,340 +0,0 @@ -// Copyright 2013 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. - -package model - -import ( - "encoding/json" - "errors" - "fmt" - "math" - "strconv" - "strings" - "time" -) - -const ( - // MinimumTick is the minimum supported time resolution. This has to be - // at least time.Second in order for the code below to work. - minimumTick = time.Millisecond - // second is the Time duration equivalent to one second. - second = int64(time.Second / minimumTick) - // The number of nanoseconds per minimum tick. - nanosPerTick = int64(minimumTick / time.Nanosecond) - - // Earliest is the earliest Time representable. Handy for - // initializing a high watermark. - Earliest = Time(math.MinInt64) - // Latest is the latest Time representable. Handy for initializing - // a low watermark. - Latest = Time(math.MaxInt64) -) - -// Time is the number of milliseconds since the epoch -// (1970-01-01 00:00 UTC) excluding leap seconds. -type Time int64 - -// Interval describes an interval between two timestamps. -type Interval struct { - Start, End Time -} - -// Now returns the current time as a Time. -func Now() Time { - return TimeFromUnixNano(time.Now().UnixNano()) -} - -// TimeFromUnix returns the Time equivalent to the Unix Time t -// provided in seconds. -func TimeFromUnix(t int64) Time { - return Time(t * second) -} - -// TimeFromUnixNano returns the Time equivalent to the Unix Time -// t provided in nanoseconds. -func TimeFromUnixNano(t int64) Time { - return Time(t / nanosPerTick) -} - -// Equal reports whether two Times represent the same instant. -func (t Time) Equal(o Time) bool { - return t == o -} - -// Before reports whether the Time t is before o. -func (t Time) Before(o Time) bool { - return t < o -} - -// After reports whether the Time t is after o. -func (t Time) After(o Time) bool { - return t > o -} - -// Add returns the Time t + d. -func (t Time) Add(d time.Duration) Time { - return t + Time(d/minimumTick) -} - -// Sub returns the Duration t - o. -func (t Time) Sub(o Time) time.Duration { - return time.Duration(t-o) * minimumTick -} - -// Time returns the time.Time representation of t. -func (t Time) Time() time.Time { - return time.Unix(int64(t)/second, (int64(t)%second)*nanosPerTick) -} - -// Unix returns t as a Unix time, the number of seconds elapsed -// since January 1, 1970 UTC. -func (t Time) Unix() int64 { - return int64(t) / second -} - -// UnixNano returns t as a Unix time, the number of nanoseconds elapsed -// since January 1, 1970 UTC. -func (t Time) UnixNano() int64 { - return int64(t) * nanosPerTick -} - -// The number of digits after the dot. -var dotPrecision = int(math.Log10(float64(second))) - -// String returns a string representation of the Time. -func (t Time) String() string { - return strconv.FormatFloat(float64(t)/float64(second), 'f', -1, 64) -} - -// MarshalJSON implements the json.Marshaler interface. -func (t Time) MarshalJSON() ([]byte, error) { - return []byte(t.String()), nil -} - -// UnmarshalJSON implements the json.Unmarshaler interface. -func (t *Time) UnmarshalJSON(b []byte) error { - p := strings.Split(string(b), ".") - switch len(p) { - case 1: - v, err := strconv.ParseInt(string(p[0]), 10, 64) - if err != nil { - return err - } - *t = Time(v * second) - - case 2: - v, err := strconv.ParseInt(string(p[0]), 10, 64) - if err != nil { - return err - } - v *= second - - prec := dotPrecision - len(p[1]) - if prec < 0 { - p[1] = p[1][:dotPrecision] - } else if prec > 0 { - p[1] = p[1] + strings.Repeat("0", prec) - } - - va, err := strconv.ParseInt(p[1], 10, 32) - if err != nil { - return err - } - - // If the value was something like -0.1 the negative is lost in the - // parsing because of the leading zero, this ensures that we capture it. - if len(p[0]) > 0 && p[0][0] == '-' && v+va > 0 { - *t = Time(v+va) * -1 - } else { - *t = Time(v + va) - } - - default: - return fmt.Errorf("invalid time %q", string(b)) - } - return nil -} - -// Duration wraps time.Duration. It is used to parse the custom duration format -// from YAML. -// This type should not propagate beyond the scope of input/output processing. -type Duration time.Duration - -// Set implements pflag/flag.Value -func (d *Duration) Set(s string) error { - var err error - *d, err = ParseDuration(s) - return err -} - -// Type implements pflag.Value -func (d *Duration) Type() string { - return "duration" -} - -func isdigit(c byte) bool { return c >= '0' && c <= '9' } - -// Units are required to go in order from biggest to smallest. -// This guards against confusion from "1m1d" being 1 minute + 1 day, not 1 month + 1 day. -var unitMap = map[string]struct { - pos int - mult uint64 -}{ - "ms": {7, uint64(time.Millisecond)}, - "s": {6, uint64(time.Second)}, - "m": {5, uint64(time.Minute)}, - "h": {4, uint64(time.Hour)}, - "d": {3, uint64(24 * time.Hour)}, - "w": {2, uint64(7 * 24 * time.Hour)}, - "y": {1, uint64(365 * 24 * time.Hour)}, -} - -// 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(s string) (Duration, error) { - switch s { - case "0": - // Allow 0 without a unit. - return 0, nil - case "": - return 0, errors.New("empty duration string") - } - - orig := s - var dur uint64 - lastUnitPos := 0 - - for s != "" { - if !isdigit(s[0]) { - return 0, fmt.Errorf("not a valid duration string: %q", orig) - } - // Consume [0-9]* - i := 0 - for ; i < len(s) && isdigit(s[i]); i++ { - } - v, err := strconv.ParseUint(s[:i], 10, 0) - if err != nil { - return 0, fmt.Errorf("not a valid duration string: %q", orig) - } - s = s[i:] - - // Consume unit. - for i = 0; i < len(s) && !isdigit(s[i]); i++ { - } - if i == 0 { - return 0, fmt.Errorf("not a valid duration string: %q", orig) - } - u := s[:i] - s = s[i:] - unit, ok := unitMap[u] - if !ok { - return 0, fmt.Errorf("unknown unit %q in duration %q", u, orig) - } - if unit.pos <= lastUnitPos { // Units must go in order from biggest to smallest. - return 0, fmt.Errorf("not a valid duration string: %q", orig) - } - lastUnitPos = unit.pos - // Check if the provided duration overflows time.Duration (> ~ 290years). - if v > 1<<63/unit.mult { - return 0, errors.New("duration out of range") - } - dur += v * unit.mult - if dur > 1<<63-1 { - return 0, errors.New("duration out of range") - } - } - return Duration(dur), nil -} - -func (d Duration) String() string { - var ( - ms = int64(time.Duration(d) / time.Millisecond) - r = "" - ) - if ms == 0 { - return "0s" - } - - 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 - } - } - - // 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 - } - *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. -func (d Duration) MarshalYAML() (interface{}, error) { - return d.String(), nil -} - -// UnmarshalYAML implements the yaml.Unmarshaler interface. -func (d *Duration) UnmarshalYAML(unmarshal func(interface{}) error) error { - var s string - if err := unmarshal(&s); err != nil { - return err - } - dur, err := ParseDuration(s) - if err != nil { - return err - } - *d = dur - return nil -} diff --git a/vendor/github.com/prometheus/common/model/value.go b/vendor/github.com/prometheus/common/model/value.go deleted file mode 100644 index 8050637d8..000000000 --- a/vendor/github.com/prometheus/common/model/value.go +++ /dev/null @@ -1,364 +0,0 @@ -// Copyright 2013 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. - -package model - -import ( - "encoding/json" - "fmt" - "sort" - "strconv" - "strings" -) - -// ZeroSample is the pseudo zero-value of Sample used to signal a -// non-existing sample. It is a Sample with timestamp Earliest, value 0.0, -// and metric nil. Note that the natural zero value of Sample has a timestamp -// of 0, which is possible to appear in a real Sample and thus not suitable -// to signal a non-existing Sample. -var ZeroSample = Sample{Timestamp: Earliest} - -// Sample is a sample pair associated with a metric. A single sample must either -// define Value or Histogram but not both. Histogram == nil implies the Value -// field is used, otherwise it should be ignored. -type Sample struct { - Metric Metric `json:"metric"` - Value SampleValue `json:"value"` - Timestamp Time `json:"timestamp"` - Histogram *SampleHistogram `json:"histogram"` -} - -// Equal compares first the metrics, then the timestamp, then the value. The -// semantics of value equality is defined by SampleValue.Equal. -func (s *Sample) Equal(o *Sample) bool { - if s == o { - return true - } - - if !s.Metric.Equal(o.Metric) { - return false - } - if !s.Timestamp.Equal(o.Timestamp) { - return false - } - if s.Histogram != nil { - return s.Histogram.Equal(o.Histogram) - } - return s.Value.Equal(o.Value) -} - -func (s Sample) String() string { - if s.Histogram != nil { - return fmt.Sprintf("%s => %s", s.Metric, SampleHistogramPair{ - Timestamp: s.Timestamp, - Histogram: s.Histogram, - }) - } - return fmt.Sprintf("%s => %s", s.Metric, SamplePair{ - Timestamp: s.Timestamp, - Value: s.Value, - }) -} - -// MarshalJSON implements json.Marshaler. -func (s Sample) MarshalJSON() ([]byte, error) { - if s.Histogram != nil { - v := struct { - Metric Metric `json:"metric"` - Histogram SampleHistogramPair `json:"histogram"` - }{ - Metric: s.Metric, - Histogram: SampleHistogramPair{ - Timestamp: s.Timestamp, - Histogram: s.Histogram, - }, - } - return json.Marshal(&v) - } - v := struct { - Metric Metric `json:"metric"` - Value SamplePair `json:"value"` - }{ - Metric: s.Metric, - Value: SamplePair{ - Timestamp: s.Timestamp, - Value: s.Value, - }, - } - return json.Marshal(&v) -} - -// UnmarshalJSON implements json.Unmarshaler. -func (s *Sample) UnmarshalJSON(b []byte) error { - v := struct { - Metric Metric `json:"metric"` - Value SamplePair `json:"value"` - Histogram SampleHistogramPair `json:"histogram"` - }{ - Metric: s.Metric, - Value: SamplePair{ - Timestamp: s.Timestamp, - Value: s.Value, - }, - Histogram: SampleHistogramPair{ - Timestamp: s.Timestamp, - Histogram: s.Histogram, - }, - } - - if err := json.Unmarshal(b, &v); err != nil { - return err - } - - s.Metric = v.Metric - if v.Histogram.Histogram != nil { - s.Timestamp = v.Histogram.Timestamp - s.Histogram = v.Histogram.Histogram - } else { - s.Timestamp = v.Value.Timestamp - s.Value = v.Value.Value - } - - return nil -} - -// Samples is a sortable Sample slice. It implements sort.Interface. -type Samples []*Sample - -func (s Samples) Len() int { - return len(s) -} - -// Less compares first the metrics, then the timestamp. -func (s Samples) Less(i, j int) bool { - switch { - case s[i].Metric.Before(s[j].Metric): - return true - case s[j].Metric.Before(s[i].Metric): - return false - case s[i].Timestamp.Before(s[j].Timestamp): - return true - default: - return false - } -} - -func (s Samples) Swap(i, j int) { - s[i], s[j] = s[j], s[i] -} - -// Equal compares two sets of samples and returns true if they are equal. -func (s Samples) Equal(o Samples) bool { - if len(s) != len(o) { - return false - } - - for i, sample := range s { - if !sample.Equal(o[i]) { - return false - } - } - return true -} - -// SampleStream is a stream of Values belonging to an attached COWMetric. -type SampleStream struct { - Metric Metric `json:"metric"` - Values []SamplePair `json:"values"` - Histograms []SampleHistogramPair `json:"histograms"` -} - -func (ss SampleStream) String() string { - valuesLength := len(ss.Values) - vals := make([]string, valuesLength+len(ss.Histograms)) - for i, v := range ss.Values { - vals[i] = v.String() - } - for i, v := range ss.Histograms { - vals[i+valuesLength] = v.String() - } - return fmt.Sprintf("%s =>\n%s", ss.Metric, strings.Join(vals, "\n")) -} - -func (ss SampleStream) MarshalJSON() ([]byte, error) { - if len(ss.Histograms) > 0 && len(ss.Values) > 0 { - v := struct { - Metric Metric `json:"metric"` - Values []SamplePair `json:"values"` - Histograms []SampleHistogramPair `json:"histograms"` - }{ - Metric: ss.Metric, - Values: ss.Values, - Histograms: ss.Histograms, - } - return json.Marshal(&v) - } else if len(ss.Histograms) > 0 { - v := struct { - Metric Metric `json:"metric"` - Histograms []SampleHistogramPair `json:"histograms"` - }{ - Metric: ss.Metric, - Histograms: ss.Histograms, - } - return json.Marshal(&v) - } else { - v := struct { - Metric Metric `json:"metric"` - Values []SamplePair `json:"values"` - }{ - Metric: ss.Metric, - Values: ss.Values, - } - return json.Marshal(&v) - } -} - -func (ss *SampleStream) UnmarshalJSON(b []byte) error { - v := struct { - Metric Metric `json:"metric"` - Values []SamplePair `json:"values"` - Histograms []SampleHistogramPair `json:"histograms"` - }{ - Metric: ss.Metric, - Values: ss.Values, - Histograms: ss.Histograms, - } - - if err := json.Unmarshal(b, &v); err != nil { - return err - } - - ss.Metric = v.Metric - ss.Values = v.Values - ss.Histograms = v.Histograms - - return nil -} - -// Scalar is a scalar value evaluated at the set timestamp. -type Scalar struct { - Value SampleValue `json:"value"` - Timestamp Time `json:"timestamp"` -} - -func (s Scalar) String() string { - return fmt.Sprintf("scalar: %v @[%v]", s.Value, s.Timestamp) -} - -// MarshalJSON implements json.Marshaler. -func (s Scalar) MarshalJSON() ([]byte, error) { - v := strconv.FormatFloat(float64(s.Value), 'f', -1, 64) - return json.Marshal([...]interface{}{s.Timestamp, string(v)}) -} - -// UnmarshalJSON implements json.Unmarshaler. -func (s *Scalar) UnmarshalJSON(b []byte) error { - var f string - v := [...]interface{}{&s.Timestamp, &f} - - if err := json.Unmarshal(b, &v); err != nil { - return err - } - - value, err := strconv.ParseFloat(f, 64) - if err != nil { - return fmt.Errorf("error parsing sample value: %w", err) - } - s.Value = SampleValue(value) - return nil -} - -// String is a string value evaluated at the set timestamp. -type String struct { - Value string `json:"value"` - Timestamp Time `json:"timestamp"` -} - -func (s *String) String() string { - return s.Value -} - -// MarshalJSON implements json.Marshaler. -func (s String) MarshalJSON() ([]byte, error) { - return json.Marshal([]interface{}{s.Timestamp, s.Value}) -} - -// UnmarshalJSON implements json.Unmarshaler. -func (s *String) UnmarshalJSON(b []byte) error { - v := [...]interface{}{&s.Timestamp, &s.Value} - return json.Unmarshal(b, &v) -} - -// Vector is basically only an alias for Samples, but the -// contract is that in a Vector, all Samples have the same timestamp. -type Vector []*Sample - -func (vec Vector) String() string { - entries := make([]string, len(vec)) - for i, s := range vec { - entries[i] = s.String() - } - return strings.Join(entries, "\n") -} - -func (vec Vector) Len() int { return len(vec) } -func (vec Vector) Swap(i, j int) { vec[i], vec[j] = vec[j], vec[i] } - -// Less compares first the metrics, then the timestamp. -func (vec Vector) Less(i, j int) bool { - switch { - case vec[i].Metric.Before(vec[j].Metric): - return true - case vec[j].Metric.Before(vec[i].Metric): - return false - case vec[i].Timestamp.Before(vec[j].Timestamp): - return true - default: - return false - } -} - -// Equal compares two sets of samples and returns true if they are equal. -func (vec Vector) Equal(o Vector) bool { - if len(vec) != len(o) { - return false - } - - for i, sample := range vec { - if !sample.Equal(o[i]) { - return false - } - } - return true -} - -// Matrix is a list of time series. -type Matrix []*SampleStream - -func (m Matrix) Len() int { return len(m) } -func (m Matrix) Less(i, j int) bool { return m[i].Metric.Before(m[j].Metric) } -func (m Matrix) Swap(i, j int) { m[i], m[j] = m[j], m[i] } - -func (mat Matrix) String() string { - matCp := make(Matrix, len(mat)) - copy(matCp, mat) - sort.Sort(matCp) - - strs := make([]string, len(matCp)) - - for i, ss := range matCp { - strs[i] = ss.String() - } - - return strings.Join(strs, "\n") -} diff --git a/vendor/github.com/prometheus/common/model/value_float.go b/vendor/github.com/prometheus/common/model/value_float.go deleted file mode 100644 index 6bfc757d1..000000000 --- a/vendor/github.com/prometheus/common/model/value_float.go +++ /dev/null @@ -1,99 +0,0 @@ -// Copyright 2013 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. - -package model - -import ( - "encoding/json" - "errors" - "fmt" - "math" - "strconv" -) - -// ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a -// non-existing sample pair. It is a SamplePair with timestamp Earliest and -// value 0.0. Note that the natural zero value of SamplePair has a timestamp -// of 0, which is possible to appear in a real SamplePair and thus not -// suitable to signal a non-existing SamplePair. -var ZeroSamplePair = SamplePair{Timestamp: Earliest} - -// A SampleValue is a representation of a value for a given sample at a given -// time. -type SampleValue float64 - -// MarshalJSON implements json.Marshaler. -func (v SampleValue) MarshalJSON() ([]byte, error) { - return json.Marshal(v.String()) -} - -// UnmarshalJSON implements json.Unmarshaler. -func (v *SampleValue) UnmarshalJSON(b []byte) error { - if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' { - return errors.New("sample value must be a quoted string") - } - f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64) - if err != nil { - return err - } - *v = SampleValue(f) - return nil -} - -// Equal returns true if the value of v and o is equal or if both are NaN. Note -// that v==o is false if both are NaN. If you want the conventional float -// behavior, use == to compare two SampleValues. -func (v SampleValue) Equal(o SampleValue) bool { - if v == o { - return true - } - return math.IsNaN(float64(v)) && math.IsNaN(float64(o)) -} - -func (v SampleValue) String() string { - return strconv.FormatFloat(float64(v), 'f', -1, 64) -} - -// SamplePair pairs a SampleValue with a Timestamp. -type SamplePair struct { - Timestamp Time - Value SampleValue -} - -func (s SamplePair) MarshalJSON() ([]byte, error) { - t, err := json.Marshal(s.Timestamp) - if err != nil { - return nil, err - } - v, err := json.Marshal(s.Value) - if err != nil { - return nil, err - } - return []byte(fmt.Sprintf("[%s,%s]", t, v)), nil -} - -// UnmarshalJSON implements json.Unmarshaler. -func (s *SamplePair) UnmarshalJSON(b []byte) error { - v := [...]json.Unmarshaler{&s.Timestamp, &s.Value} - return json.Unmarshal(b, &v) -} - -// Equal returns true if this SamplePair and o have equal Values and equal -// Timestamps. The semantics of Value equality is defined by SampleValue.Equal. -func (s *SamplePair) Equal(o *SamplePair) bool { - return s == o || (s.Value.Equal(o.Value) && s.Timestamp.Equal(o.Timestamp)) -} - -func (s SamplePair) String() string { - return fmt.Sprintf("%s @[%s]", s.Value, s.Timestamp) -} diff --git a/vendor/github.com/prometheus/common/model/value_histogram.go b/vendor/github.com/prometheus/common/model/value_histogram.go deleted file mode 100644 index 895e6a3e8..000000000 --- a/vendor/github.com/prometheus/common/model/value_histogram.go +++ /dev/null @@ -1,179 +0,0 @@ -// Copyright 2013 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. - -package model - -import ( - "encoding/json" - "errors" - "fmt" - "strconv" - "strings" -) - -type FloatString float64 - -func (v FloatString) String() string { - return strconv.FormatFloat(float64(v), 'f', -1, 64) -} - -func (v FloatString) MarshalJSON() ([]byte, error) { - return json.Marshal(v.String()) -} - -func (v *FloatString) UnmarshalJSON(b []byte) error { - if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' { - return errors.New("float value must be a quoted string") - } - f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64) - if err != nil { - return err - } - *v = FloatString(f) - return nil -} - -type HistogramBucket struct { - Boundaries int32 - Lower FloatString - Upper FloatString - Count FloatString -} - -func (s HistogramBucket) MarshalJSON() ([]byte, error) { - b, err := json.Marshal(s.Boundaries) - if err != nil { - return nil, err - } - l, err := json.Marshal(s.Lower) - if err != nil { - return nil, err - } - u, err := json.Marshal(s.Upper) - if err != nil { - return nil, err - } - c, err := json.Marshal(s.Count) - if err != nil { - return nil, err - } - return []byte(fmt.Sprintf("[%s,%s,%s,%s]", b, l, u, c)), nil -} - -func (s *HistogramBucket) UnmarshalJSON(buf []byte) error { - tmp := []interface{}{&s.Boundaries, &s.Lower, &s.Upper, &s.Count} - wantLen := len(tmp) - if err := json.Unmarshal(buf, &tmp); err != nil { - return err - } - if gotLen := len(tmp); gotLen != wantLen { - return fmt.Errorf("wrong number of fields: %d != %d", gotLen, wantLen) - } - return nil -} - -func (s *HistogramBucket) Equal(o *HistogramBucket) bool { - return s == o || (s.Boundaries == o.Boundaries && s.Lower == o.Lower && s.Upper == o.Upper && s.Count == o.Count) -} - -func (b HistogramBucket) String() string { - var sb strings.Builder - lowerInclusive := b.Boundaries == 1 || b.Boundaries == 3 - upperInclusive := b.Boundaries == 0 || b.Boundaries == 3 - if lowerInclusive { - sb.WriteRune('[') - } else { - sb.WriteRune('(') - } - fmt.Fprintf(&sb, "%g,%g", b.Lower, b.Upper) - if upperInclusive { - sb.WriteRune(']') - } else { - sb.WriteRune(')') - } - fmt.Fprintf(&sb, ":%v", b.Count) - return sb.String() -} - -type HistogramBuckets []*HistogramBucket - -func (s HistogramBuckets) Equal(o HistogramBuckets) bool { - if len(s) != len(o) { - return false - } - - for i, bucket := range s { - if !bucket.Equal(o[i]) { - return false - } - } - return true -} - -type SampleHistogram struct { - Count FloatString `json:"count"` - Sum FloatString `json:"sum"` - Buckets HistogramBuckets `json:"buckets"` -} - -func (s SampleHistogram) String() string { - return fmt.Sprintf("Count: %f, Sum: %f, Buckets: %v", s.Count, s.Sum, s.Buckets) -} - -func (s *SampleHistogram) Equal(o *SampleHistogram) bool { - return s == o || (s.Count == o.Count && s.Sum == o.Sum && s.Buckets.Equal(o.Buckets)) -} - -type SampleHistogramPair struct { - Timestamp Time - // Histogram should never be nil, it's only stored as pointer for efficiency. - Histogram *SampleHistogram -} - -func (s SampleHistogramPair) MarshalJSON() ([]byte, error) { - if s.Histogram == nil { - return nil, errors.New("histogram is nil") - } - t, err := json.Marshal(s.Timestamp) - if err != nil { - return nil, err - } - v, err := json.Marshal(s.Histogram) - if err != nil { - return nil, err - } - return []byte(fmt.Sprintf("[%s,%s]", t, v)), nil -} - -func (s *SampleHistogramPair) UnmarshalJSON(buf []byte) error { - tmp := []interface{}{&s.Timestamp, &s.Histogram} - wantLen := len(tmp) - if err := json.Unmarshal(buf, &tmp); err != nil { - return err - } - if gotLen := len(tmp); gotLen != wantLen { - return fmt.Errorf("wrong number of fields: %d != %d", gotLen, wantLen) - } - if s.Histogram == nil { - return errors.New("histogram is null") - } - return nil -} - -func (s SampleHistogramPair) String() string { - return fmt.Sprintf("%s @[%s]", s.Histogram, s.Timestamp) -} - -func (s *SampleHistogramPair) Equal(o *SampleHistogramPair) bool { - return s == o || (s.Histogram.Equal(o.Histogram) && s.Timestamp.Equal(o.Timestamp)) -} diff --git a/vendor/github.com/prometheus/common/model/value_type.go b/vendor/github.com/prometheus/common/model/value_type.go deleted file mode 100644 index 726c50ee6..000000000 --- a/vendor/github.com/prometheus/common/model/value_type.go +++ /dev/null @@ -1,83 +0,0 @@ -// Copyright 2013 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. - -package model - -import ( - "encoding/json" - "fmt" -) - -// Value is a generic interface for values resulting from a query evaluation. -type Value interface { - Type() ValueType - String() string -} - -func (Matrix) Type() ValueType { return ValMatrix } -func (Vector) Type() ValueType { return ValVector } -func (*Scalar) Type() ValueType { return ValScalar } -func (*String) Type() ValueType { return ValString } - -type ValueType int - -const ( - ValNone ValueType = iota - ValScalar - ValVector - ValMatrix - ValString -) - -// MarshalJSON implements json.Marshaler. -func (et ValueType) MarshalJSON() ([]byte, error) { - return json.Marshal(et.String()) -} - -func (et *ValueType) UnmarshalJSON(b []byte) error { - var s string - if err := json.Unmarshal(b, &s); err != nil { - return err - } - switch s { - case "<ValNone>": - *et = ValNone - case "scalar": - *et = ValScalar - case "vector": - *et = ValVector - case "matrix": - *et = ValMatrix - case "string": - *et = ValString - default: - return fmt.Errorf("unknown value type %q", s) - } - return nil -} - -func (e ValueType) String() string { - switch e { - case ValNone: - return "<ValNone>" - case ValScalar: - return "scalar" - case ValVector: - return "vector" - case ValMatrix: - return "matrix" - case ValString: - return "string" - } - panic("ValueType.String: unhandled value type") -} |