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Export new metrics for OpenFaaS Pro scaling

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* Add service target metric
* Add service min replicas metric
* Add scale type metric

These combined allow new auto-scaling modes and parameters
for OpenFaaS Pro customers.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
This commit is contained in:
Alex Ellis (OpenFaaS Ltd)
2022-01-24 12:11:54 +00:00
committed by Alex Ellis
parent 34735d61d0
commit d85d5e7239
23 changed files with 235 additions and 472 deletions
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11
gateway/scaling/ranges.go
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@ -10,6 +10,11 @@ const (
// DefaultScalingFactor is the defining proportion for the scaling increments.
DefaultScalingFactor = 20
// DefaultTargetLoad
DefaultTargetLoad = 10
DefaultTypeScale = "rps"
// MinScaleLabel label indicating min scale for a function
MinScaleLabel = "com.openfaas.scale.min"
@ -18,4 +23,10 @@ const (
// ScalingFactorLabel label indicates the scaling factor for a function
ScalingFactorLabel = "com.openfaas.scale.factor"
// TargetLoadLabel see also DefaultTargetScale
TargetLoadLabel = "com.openfaas.scale.target"
// ScaleTypeLabel see also DefaultScaleType
ScaleTypeLabel = "com.openfaas.scale.type"
)