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swarm/metrics: collect metrics on datadir disk usage

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This commit is contained in:
Anton Evangelatov 2019-05-11 21:46:13 +02:00
parent 751effa35e
commit b8e21d9ed4
1 changed files with 23 additions and 0 deletions
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23
swarm/metrics/flags.go
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@ -17,6 +17,9 @@
package metrics
import (
"os/exec"
"strconv"
"strings"
"time"
"github.com/ethereum/go-ethereum/cmd/utils"
@ -89,11 +92,15 @@ func Setup(ctx *cli.Context) {
password = ctx.GlobalString(MetricsInfluxDBPasswordFlag.Name)
enableExport = ctx.GlobalBool(MetricsEnableInfluxDBExportFlag.Name)
enableAccountingExport = ctx.GlobalBool(MetricsEnableInfluxDBAccountingExportFlag.Name)
datadir = ctx.GlobalString("datadir")
)
// Start system runtime metrics collection
go gethmetrics.CollectProcessMetrics(4 * time.Second)
// Start collecting disk metrics
go datadirDiskUsage(datadir, 4*time.Second)
gethmetrics.RegisterRuntimeMemStats(metrics.DefaultRegistry)
go gethmetrics.CaptureRuntimeMemStats(metrics.DefaultRegistry, 4*time.Second)
@ -110,3 +117,19 @@ func Setup(ctx *cli.Context) {
}
}
}
func datadirDiskUsage(dir string, d time.Duration) {
for range time.Tick(d) {
cmd := exec.Command("du", "-s", dir)
out, err := cmd.CombinedOutput()
if err != nil {
log.Warn("cannot get disk space", "err", err)
}
res := strings.Split(string(out), "\t")[0]
bytes, err := strconv.ParseInt(res, 10, 64)
if err != nil {
log.Warn("cannot parse disk space", "err", err, "out", string(out))
}
metrics.GetOrRegisterGauge("datadir.usage", nil).Update(bytes)
}
}