metrics

var (

	// V1 is a collection of metric objects for V1 metrics.
	V1 = struct {
		BuildCount              metric.Int
		BuildCountCreated       metric.Counter
		BuildCountStarted       metric.Counter
		BuildCountCompleted     metric.Counter
		BuildDurationCycle      metric.CumulativeDistribution
		BuildDurationRun        metric.CumulativeDistribution
		BuildDurationScheduling metric.CumulativeDistribution
		ExpiredLeaseReset       metric.Counter
		MaxAgeScheduled         metric.Float
	}{
		BuildCount: metric.NewInt(
			"buildbucket/builds/count",
			"Number of pending/running prod builds", nil,
			bFields("status")...,
		),
		BuildCountCreated: metric.NewCounter(
			"buildbucket/builds/created",
			"Build creation", nil,
			bFields("user_agent")...,
		),
		BuildCountStarted: metric.NewCounter(
			"buildbucket/builds/started",
			"Build start", nil,
			bFields("canary")...,
		),
		BuildCountCompleted: metric.NewCounter(
			"buildbucket/builds/completed",
			"Build completion, including success, failure and cancellation", nil,
			bFields("result", "failure_reason", "cancelation_reason", "canary")...,
		),
		BuildDurationCycle: newbuildDurationMetric(
			"buildbucket/builds/cycle_durations",
			"Duration between build creation and completion",
		),
		BuildDurationRun: newbuildDurationMetric(
			"buildbucket/builds/run_durations",
			"Duration between build start and completion",
		),
		BuildDurationScheduling: newbuildDurationMetric(
			"buildbucket/builds/scheduling_durations",
			"Duration between build creation and start",
		),
		ExpiredLeaseReset: metric.NewCounter(
			"buildbucket/builds/lease_expired",
			"Build lease expirations", nil,
			bFields("status")...,
		),
		MaxAgeScheduled: metric.NewFloat(
			"buildbucket/builds/max_age_scheduled",
			"Age of the oldest SCHEDULED build",
			&types.MetricMetadata{Units: types.Seconds},
			bFields("must_be_never_leased")...,
		),
	}
)

var (
	// V2 is a collection of metric objects for V2 metrics.
	V2 = struct {
		BuildCount              metric.Int
		BuildCountCreated       metric.Counter
		BuildCountStarted       metric.Counter
		BuildCountCompleted     metric.Counter
		BuildDurationCycle      metric.CumulativeDistribution
		BuildDurationRun        metric.CumulativeDistribution
		BuildDurationScheduling metric.CumulativeDistribution
		BuilderPresence         metric.Bool
		ConsecutiveFailureCount metric.Int
		MaxAgeScheduled         metric.Float
	}{
		BuildCount: metric.NewIntWithTargetType(
			"buildbucket/v2/builds/count",
			(&bbmetrics.BuilderTarget{}).Type(),
			"Number of pending/running prod builds",
			nil,
			field.String("status"),
		),
		BuildCountCreated: metric.NewCounterWithTargetType(
			"buildbucket/v2/builds/created",
			(&bbmetrics.BuilderTarget{}).Type(),
			"Build creation",
			nil,
			field.String("experiments"),
		),
		BuildCountStarted: metric.NewCounterWithTargetType(
			"buildbucket/v2/builds/started",
			(&bbmetrics.BuilderTarget{}).Type(),
			"Build start",
			nil,
			field.String("experiments"),
		),
		BuildCountCompleted: metric.NewCounterWithTargetType(
			"buildbucket/v2/builds/completed",
			(&bbmetrics.BuilderTarget{}).Type(),
			"Build completion, including success, failure and cancellation",
			nil,
			field.String("status"),
			field.String("experiments"),
		),
		BuildDurationCycle: metric.NewCumulativeDistributionWithTargetType(
			"buildbucket/v2/builds/cycle_durations",
			(&bbmetrics.BuilderTarget{}).Type(),
			"Duration between build creation and completion",
			&types.MetricMetadata{Units: types.Seconds},

			distribution.GeometricBucketer(math.Pow(10, 0.053), 100),
			field.String("status"),
			field.String("experiments"),
		),
		BuildDurationRun: metric.NewCumulativeDistributionWithTargetType(
			"buildbucket/v2/builds/run_durations",
			(&bbmetrics.BuilderTarget{}).Type(),
			"Duration between build start and completion",
			&types.MetricMetadata{Units: types.Seconds},

			distribution.GeometricBucketer(math.Pow(10, 0.053), 100),
			field.String("status"),
			field.String("experiments"),
		),
		BuildDurationScheduling: metric.NewCumulativeDistributionWithTargetType(
			"buildbucket/v2/builds/scheduling_durations",
			(&bbmetrics.BuilderTarget{}).Type(),
			"Duration between build creation and start",
			&types.MetricMetadata{Units: types.Seconds},

			distribution.GeometricBucketer(math.Pow(10, 0.053), 100),
			field.String("experiments"),
		),
		BuilderPresence: metric.NewBoolWithTargetType(
			"buildbucket/v2/builder/presence",
			(&bbmetrics.BuilderTarget{}).Type(),
			"A constant, always-true metric that indicates the presence of LUCI Builder",
			nil,
		),
		ConsecutiveFailureCount: metric.NewIntWithTargetType(
			"buildbucket/v2/builds/consecutive_failure_count",
			(&bbmetrics.BuilderTarget{}).Type(),
			"Number of consecutive non-successful build terminations since the last successful build.",
			nil,
			field.String("status"),
		),
		MaxAgeScheduled: metric.NewFloatWithTargetType(
			"buildbucket/v2/builds/max_age_scheduled",
			(&bbmetrics.BuilderTarget{}).Type(),
			"Age of the oldest SCHEDULED build",
			&types.MetricMetadata{Units: types.Seconds},
		),
	}
)