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Implement success ratio in health checks

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This commit is contained in:
Francis Lavoie 2023-04-15 09:06:41 -04:00
parent 2c61b50b5f
commit 6d010189a5
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1 changed files with 9 additions and 0 deletions
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9
modules/caddyhttp/reverseproxy/hosts.go
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@ -84,6 +84,15 @@ func (u *Upstream) Healthy() bool {
if healthy && u.healthCheckPolicy != nil { if healthy && u.healthCheckPolicy != nil {
healthy = u.Host.Fails() < u.healthCheckPolicy.MaxFails healthy = u.Host.Fails() < u.healthCheckPolicy.MaxFails
} }
if healthy && u.healthCheckPolicy != nil &&
u.healthCheckPolicy.MinSuccessRatio > 0 {
successes := u.Host.Successes()
if successes >= u.healthCheckPolicy.MinSuccesses {
fails := u.Host.Fails()
healthRatio := float64(fails) / float64(successes)
healthy = healthRatio < (1 - float64(u.healthCheckPolicy.MinSuccessRatio))
}
}
if healthy && u.cb != nil { if healthy && u.cb != nil {
healthy = u.cb.OK() healthy = u.cb.OK()
} }