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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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ab53cb6f7b
Pass `-remoteWrite.showURL` command-line flag in order to see real `-remoteWrite.url` values in logs and at `/metrics` page. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/773
39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
package httpserver
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import (
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"flag"
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"fmt"
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"io"
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"strings"
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"time"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/buildinfo"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/memory"
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"github.com/VictoriaMetrics/metrics"
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)
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// WritePrometheusMetrics writes all the registered metrics to w in Prometheus exposition format.
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func WritePrometheusMetrics(w io.Writer) {
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metrics.WritePrometheus(w, true)
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fmt.Fprintf(w, "vm_app_version{version=%q} 1\n", buildinfo.Version)
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fmt.Fprintf(w, "vm_allowed_memory_bytes %d\n", memory.Allowed())
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// Export start time and uptime in seconds
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fmt.Fprintf(w, "vm_app_start_timestamp %d\n", startTime.Unix())
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fmt.Fprintf(w, "vm_app_uptime_seconds %d\n", int(time.Since(startTime).Seconds()))
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// Export flags as metrics.
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flag.VisitAll(func(f *flag.Flag) {
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lname := strings.ToLower(f.Name)
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value := f.Value.String()
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if flagutil.IsSecretFlag(lname) {
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// Do not expose passwords and keys to prometheus.
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value = "secret"
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}
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fmt.Fprintf(w, "flag{name=%q, value=%q} 1\n", f.Name, value)
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})
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}
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var startTime = time.Now()
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