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plugin/kubernetes: rate limits to api server (#7771)

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Signed-off-by: pasteley <ceasebeing@gmail.com>
This commit is contained in:
pasteley
2025-12-16 05:06:16 +01:00
committed by GitHub
parent 0b420cd49f
commit 388cbc5187
4 changed files with 157 additions and 0 deletions
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39
plugin/kubernetes/setup.go
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@@ -244,6 +244,45 @@ func ParseStanza(c *caddy.Controller) (*Kubernetes, error) {
return nil, fmt.Errorf("failed to parse startup_timeout: %v, %s", args[0], err)
}
}
case "apiserver_qps":
args := c.RemainingArgs()
if len(args) != 1 {
return nil, c.ArgErr()
}
qps, err := strconv.ParseFloat(args[0], 32)
if err != nil {
return nil, c.Errf("invalid apiserver_qps %q: %v", args[0], err)
}
if qps < 0 {
return nil, c.Errf("apiserver_qps must be >= 0")
}
k8s.apiQPS = float32(qps)
case "apiserver_burst":
args := c.RemainingArgs()
if len(args) != 1 {
return nil, c.ArgErr()
}
burst, err := strconv.Atoi(args[0])
if err != nil {
return nil, c.Errf("invalid apiserver_burst %q: %v", args[0], err)
}
if burst < 0 {
return nil, c.Errf("apiserver_burst must be >= 0")
}
k8s.apiBurst = burst
case "apiserver_max_inflight":
args := c.RemainingArgs()
if len(args) != 1 {
return nil, c.ArgErr()
}
max, err := strconv.Atoi(args[0])
if err != nil {
return nil, c.Errf("invalid apiserver_max_inflight %q: %v", args[0], err)
}
if max < 0 {
return nil, c.Errf("apiserver_max_inflight must be >= 0")
}
k8s.apiMaxInflight = max
default:
return nil, c.Errf("unknown property '%s'", c.Val())
}