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authorDaniel J Walsh <dwalsh@redhat.com>2018-01-10 15:58:18 -0500
committerAtomic Bot <atomic-devel@projectatomic.io>2018-01-11 12:39:06 +0000
commitdd0d35deb098b63f8c5be7ef9d8d63c16760221b (patch)
tree695d44a49d636e45e4121c9aecfb3d8c0e1cca06 /vendor/github.com/prometheus/common/model
parente6be800ec633342aef656e0a2ed0bdc4519796d9 (diff)
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Add support for shm-size.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #206 Approved by: TomSweeneyRedHat
Diffstat (limited to 'vendor/github.com/prometheus/common/model')
-rw-r--r--vendor/github.com/prometheus/common/model/alert.go136
-rw-r--r--vendor/github.com/prometheus/common/model/fingerprinting.go105
-rw-r--r--vendor/github.com/prometheus/common/model/fnv.go42
-rw-r--r--vendor/github.com/prometheus/common/model/labels.go210
-rw-r--r--vendor/github.com/prometheus/common/model/labelset.go169
-rw-r--r--vendor/github.com/prometheus/common/model/metric.go103
-rw-r--r--vendor/github.com/prometheus/common/model/model.go16
-rw-r--r--vendor/github.com/prometheus/common/model/signature.go144
-rw-r--r--vendor/github.com/prometheus/common/model/silence.go106
-rw-r--r--vendor/github.com/prometheus/common/model/time.go249
-rw-r--r--vendor/github.com/prometheus/common/model/value.go416
11 files changed, 0 insertions, 1696 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 35e739c7a..000000000
--- a/vendor/github.com/prometheus/common/model/alert.go
+++ /dev/null
@@ -1,136 +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"
- "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 {
- if a.Resolved() {
- return AlertResolved
- }
- return AlertFiring
-}
-
-// Validate checks whether the alert data is inconsistent.
-func (a *Alert) Validate() error {
- if a.StartsAt.IsZero() {
- return fmt.Errorf("start time missing")
- }
- if !a.EndsAt.IsZero() && a.EndsAt.Before(a.StartsAt) {
- return fmt.Errorf("start time must be before end time")
- }
- if err := a.Labels.Validate(); err != nil {
- return fmt.Errorf("invalid label set: %s", err)
- }
- if len(a.Labels) == 0 {
- return fmt.Errorf("at least one label pair required")
- }
- if err := a.Annotations.Validate(); err != nil {
- return fmt.Errorf("invalid annotations: %s", 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
-}
-
-// Status returns StatusFiring iff at least one of the alerts is firing.
-func (as Alerts) Status() AlertStatus {
- if as.HasFiring() {
- 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 038fc1c90..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 initializies 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 41051a01a..000000000
--- a/vendor/github.com/prometheus/common/model/labels.go
+++ /dev/null
@@ -1,210 +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__"
-
- // 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 is true iff the label name matches the pattern of LabelNameRE. This
-// method, however, does not use LabelNameRE for the check but a much faster
-// hardcoded implementation.
-func (ln LabelName) IsValid() 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 UTF8.
-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 6eda08a73..000000000
--- a/vendor/github.com/prometheus/common/model/labelset.go
+++ /dev/null
@@ -1,169 +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"
- "strings"
-)
-
-// 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
-}
-
-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)
-}
-
-// 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/metric.go b/vendor/github.com/prometheus/common/model/metric.go
deleted file mode 100644
index f7250909b..000000000
--- a/vendor/github.com/prometheus/common/model/metric.go
+++ /dev/null
@@ -1,103 +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"
- "regexp"
- "sort"
- "strings"
-)
-
-var (
- separator = []byte{0}
- // 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.
- 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.
-// This function, however, does not use MetricNameRE for the check but a much
-// faster hardcoded implementation.
-func IsValidMetricName(n LabelValue) bool {
- if len(n) == 0 {
- return false
- }
- for i, b := range n {
- if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0)) {
- return false
- }
- }
- return true
-}
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 8762b13c6..000000000
--- a/vendor/github.com/prometheus/common/model/signature.go
+++ /dev/null
@@ -1,144 +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
-
-var (
- // cache the signature of an empty label set.
- 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 7538e2997..000000000
--- a/vendor/github.com/prometheus/common/model/silence.go
+++ /dev/null
@@ -1,106 +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"
- "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 fmt.Errorf("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 definiton
-// 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 fmt.Errorf("at least one matcher required")
- }
- for _, m := range s.Matchers {
- if err := m.Validate(); err != nil {
- return fmt.Errorf("invalid matcher: %s", err)
- }
- }
- if s.StartsAt.IsZero() {
- return fmt.Errorf("start time missing")
- }
- if s.EndsAt.IsZero() {
- return fmt.Errorf("end time missing")
- }
- if s.EndsAt.Before(s.StartsAt) {
- return fmt.Errorf("start time must be before end time")
- }
- if s.CreatedBy == "" {
- return fmt.Errorf("creator information missing")
- }
- if s.Comment == "" {
- return fmt.Errorf("comment missing")
- }
- if s.CreatedAt.IsZero() {
- return fmt.Errorf("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 548968aeb..000000000
--- a/vendor/github.com/prometheus/common/model/time.go
+++ /dev/null
@@ -1,249 +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"
- "math"
- "regexp"
- "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 and 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
- }
-
- *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
-
-var durationRE = regexp.MustCompile("^([0-9]+)(y|w|d|h|m|s|ms)$")
-
-// StringToDuration 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) {
- matches := durationRE.FindStringSubmatch(durationStr)
- if len(matches) != 3 {
- 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)
- }
- return Duration(dur), nil
-}
-
-func (d Duration) String() string {
- var (
- ms = int64(time.Duration(d) / time.Millisecond)
- unit = "ms"
- )
- 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,
- }
-
- 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"
- }
- return fmt.Sprintf("%v%v", ms/factors[unit], unit)
-}
-
-// 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 c9ed3ffd8..000000000
--- a/vendor/github.com/prometheus/common/model/value.go
+++ /dev/null
@@ -1,416 +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"
- "math"
- "sort"
- "strconv"
- "strings"
-)
-
-var (
- // 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.
- ZeroSamplePair = SamplePair{Timestamp: Earliest}
-
- // 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.
- ZeroSample = Sample{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 fmt.Errorf("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
-}
-
-// MarshalJSON implements json.Marshaler.
-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 sematics 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)
-}
-
-// Sample is a sample pair associated with a metric.
-type Sample struct {
- Metric Metric `json:"metric"`
- Value SampleValue `json:"value"`
- Timestamp Time `json:"timestamp"`
-}
-
-// Equal compares first the metrics, then the timestamp, then the value. The
-// sematics 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
- }
-
- return s.Value.Equal(o.Value)
-}
-
-func (s Sample) String() string {
- return fmt.Sprintf("%s => %s", s.Metric, SamplePair{
- Timestamp: s.Timestamp,
- Value: s.Value,
- })
-}
-
-// MarshalJSON implements json.Marshaler.
-func (s Sample) MarshalJSON() ([]byte, error) {
- 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"`
- }{
- Metric: s.Metric,
- Value: SamplePair{
- Timestamp: s.Timestamp,
- Value: s.Value,
- },
- }
-
- if err := json.Unmarshal(b, &v); err != nil {
- return err
- }
-
- s.Metric = v.Metric
- 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"`
-}
-
-func (ss SampleStream) String() string {
- vals := make([]string, len(ss.Values))
- for i, v := range ss.Values {
- vals[i] = v.String()
- }
- return fmt.Sprintf("%s =>\n%s", ss.Metric, strings.Join(vals, "\n"))
-}
-
-// 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")
-}
-
-// 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: %s", 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")
-}