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Add min_success_ratio WIP

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This commit is contained in:
Francis Lavoie 2023-02-26 02:16:05 -05:00
parent c4b934f232
commit c8b8c3a7b2
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GPG key ID: 0F66EE1687682239
2 changed files with 22 additions and 0 deletions
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17
modules/caddyhttp/reverseproxy/caddyfile.go
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@ -78,6 +78,7 @@ func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error)
// fail_duration <duration> // fail_duration <duration>
// max_fails <num> // max_fails <num>
// success_duration <duration> // success_duration <duration>
// min_success_ratio <ratio>
// unhealthy_status <status> // unhealthy_status <status>
// unhealthy_latency <duration> // unhealthy_latency <duration>
// unhealthy_request_count <num> // unhealthy_request_count <num>
@ -439,6 +440,22 @@ func (h *Handler) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
} }
h.HealthChecks.Passive.SuccessDuration = caddy.Duration(dur) h.HealthChecks.Passive.SuccessDuration = caddy.Duration(dur)
case "min_success_ratio":
if !d.NextArg() {
return d.ArgErr()
}
if h.HealthChecks == nil {
h.HealthChecks = new(HealthChecks)
}
if h.HealthChecks.Passive == nil {
h.HealthChecks.Passive = new(PassiveHealthChecks)
}
ratio, err := caddyhttp.ParseRatio(d.Val())
if err != nil {
return d.Errf("bad ratio value '%s': %v", d.Val(), err)
}
h.HealthChecks.Passive.MinSuccessRatio = ratio
case "fail_duration": case "fail_duration":
if !d.NextArg() { if !d.NextArg() {
return d.ArgErr() return d.ArgErr()

5
modules/caddyhttp/reverseproxy/healthchecks.go
View file

@ -122,6 +122,11 @@ type PassiveHealthChecks struct {
// How long to remember a successful request to a backend. Default is 0. // How long to remember a successful request to a backend. Default is 0.
SuccessDuration caddy.Duration `json:"success_duration,omitempty"` SuccessDuration caddy.Duration `json:"success_duration,omitempty"`
// The minimum ratio of successful to failed requests necessary to
// consider a backend as healthy. Both fail and success durations
// must be configured for those stats to be counted. Default is 0 (no ratio).
MinSuccessRatio caddyhttp.Ratio `json:"min_success_ratio,omitempty"`
// Limits the number of simultaneous requests to a backend by // Limits the number of simultaneous requests to a backend by
// marking the backend as "down" if it has this many concurrent // marking the backend as "down" if it has this many concurrent
// requests or more. // requests or more.