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Allow tuning Common-controller Ratelimiter with retryIntervalStart & retryIntervalMax

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This patch adds two new parameters `retryIntervalStart & retryIntervalMax`
which can be configured to adjust the ratelimiters of snapshotqueue and contentqueue
in the controller.

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

```release-note
 `retry-interval-start` and `retry-interval-max` arguments are added to common-controller
  which controls retry interval of failed volume snapshot creation and deletion.
  These values set the ratelimiter for snapshot and content queues.
```

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
This commit is contained in:
Humble Chirammal
2021-06-11 20:56:51 +05:30
parent af117aad81
commit 206fecb9f1
5 changed files with 19 additions and 6 deletions
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4
cmd/csi-snapshotter/main.go
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@@ -72,8 +72,8 @@ var (
metricsAddress = flag.String("metrics-address", "", "(deprecated) The TCP network address where the prometheus metrics endpoint will listen (example: `:8080`). The default is empty string, which means metrics endpoint is disabled. Only one of `--metrics-address` and `--http-endpoint` can be set.")
httpEndpoint = flag.String("http-endpoint", "", "The TCP network address where the HTTP server for diagnostics, including metrics and leader election health check, will listen (example: `:8080`). The default is empty string, which means the server is disabled. Only one of `--metrics-address` and `--http-endpoint` can be set.")
metricsPath = flag.String("metrics-path", "/metrics", "The HTTP path where prometheus metrics will be exposed. Default is `/metrics`.")
retryIntervalStart = flag.Duration("retry-interval-start", time.Second, "Initial retry interval of failed volume snapshot creation or deletion. It doubles with each failure, up to retry-interval-max. Default is 1 second")
retryIntervalMax = flag.Duration("retry-interval-max", 5*time.Minute, "Maximum retry interval of failed volume snapshot creation or deletion. Default is 5 minutes")
retryIntervalStart = flag.Duration("retry-interval-start", time.Second, "Initial retry interval of failed volume snapshot creation or deletion. It doubles with each failure, up to retry-interval-max. Default is 1 second.")
retryIntervalMax = flag.Duration("retry-interval-max", 5*time.Minute, "Maximum retry interval of failed volume snapshot creation or deletion. Default is 5 minutes.")
)
var (