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author | OpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com> | 2019-06-25 21:40:38 +0200 |
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committer | GitHub <noreply@github.com> | 2019-06-25 21:40:38 +0200 |
commit | 5b7086abda91f4301af3bfb642d416a22349c276 (patch) | |
tree | bf139f29b261e55c161394637f1c7073da5103f0 /vendor/github.com/docker/go-metrics/counter.go | |
parent | a488e197a6e3947dd420b40ed834b50db9c829c3 (diff) | |
parent | 2388222e98462fdbbe44f3e091b2b79d80956a9a (diff) | |
download | podman-5b7086abda91f4301af3bfb642d416a22349c276.tar.gz podman-5b7086abda91f4301af3bfb642d416a22349c276.tar.bz2 podman-5b7086abda91f4301af3bfb642d416a22349c276.zip |
Merge pull request #3418 from vrothberg/go-modules
update dependencies
Diffstat (limited to 'vendor/github.com/docker/go-metrics/counter.go')
-rw-r--r-- | vendor/github.com/docker/go-metrics/counter.go | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/vendor/github.com/docker/go-metrics/counter.go b/vendor/github.com/docker/go-metrics/counter.go new file mode 100644 index 000000000..fe36316a4 --- /dev/null +++ b/vendor/github.com/docker/go-metrics/counter.go @@ -0,0 +1,52 @@ +package metrics + +import "github.com/prometheus/client_golang/prometheus" + +// Counter is a metrics that can only increment its current count +type Counter interface { + // Inc adds Sum(vs) to the counter. Sum(vs) must be positive. + // + // If len(vs) == 0, increments the counter by 1. + Inc(vs ...float64) +} + +// LabeledCounter is counter that must have labels populated before use. +type LabeledCounter interface { + WithValues(vs ...string) Counter +} + +type labeledCounter struct { + pc *prometheus.CounterVec +} + +func (lc *labeledCounter) WithValues(vs ...string) Counter { + return &counter{pc: lc.pc.WithLabelValues(vs...)} +} + +func (lc *labeledCounter) Describe(ch chan<- *prometheus.Desc) { + lc.pc.Describe(ch) +} + +func (lc *labeledCounter) Collect(ch chan<- prometheus.Metric) { + lc.pc.Collect(ch) +} + +type counter struct { + pc prometheus.Counter +} + +func (c *counter) Inc(vs ...float64) { + if len(vs) == 0 { + c.pc.Inc() + } + + c.pc.Add(sumFloat64(vs...)) +} + +func (c *counter) Describe(ch chan<- *prometheus.Desc) { + c.pc.Describe(ch) +} + +func (c *counter) Collect(ch chan<- prometheus.Metric) { + c.pc.Collect(ch) +} |