2021-08-17 12:39:36 +00:00
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package modules
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import (
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"github.com/filecoin-project/lotus/journal/alerting"
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"github.com/filecoin-project/lotus/lib/ulimit"
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)
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func CheckFdLimit(min uint64) func(al *alerting.Alerting) {
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return func(al *alerting.Alerting) {
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2021-08-26 13:59:54 +00:00
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soft, _, err := ulimit.GetLimit()
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if err == ulimit.ErrUnsupported {
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log.Warn("FD limit monitoring not available")
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2021-08-17 12:39:36 +00:00
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return
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}
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alert := al.AddAlertType("process", "fd-limit")
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if err != nil {
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al.Raise(alert, map[string]string{
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"message": "failed to get FD limit",
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"error": err.Error(),
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})
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}
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if soft < min {
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al.Raise(alert, map[string]interface{}{
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"message": "soft FD limit is low",
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"soft_limit": soft,
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"recommended_min": min,
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})
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}
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}
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}
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// TODO: More things:
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// * Space in repo dirs (taking into account mounts)
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// * Miner
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// * Faulted partitions
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// * Low balances
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// * Market provider
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// * Reachability
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// * on-chain config
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// * Low memory (maybe)
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// * Network / sync issues
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