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new flag to disable all default collectors (#1460)

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* new flag to disable all default collectors

Signed-off-by: Paul Gier <pgier@redhat.com>

Co-authored-by: Ben Kochie <superq@gmail.com>
This commit is contained in:
Paul Gier 2020-02-20 04:03:33 -06:00 • committed by GitHub
commit b40954dce5
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3 changed files with 36 additions and 5 deletions
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9
node_exporter.go
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@ -29,7 +29,7 @@ import (
"github.com/prometheus/common/version"
"github.com/prometheus/node_exporter/collector"
"github.com/prometheus/node_exporter/https"
"gopkg.in/alecthomas/kingpin.v2"
kingpin "gopkg.in/alecthomas/kingpin.v2"
)
// handler wraps an unfiltered http.Handler but uses a filtered handler,
@ -153,6 +153,10 @@ func main() {
"web.max-requests",
"Maximum number of parallel scrape requests. Use 0 to disable.",
).Default("40").Int()
disableDefaultCollectors = kingpin.Flag(
"collector.disable-defaults",
"Set all collectors to disabled by default.",
).Default("false").Bool()
configFile = kingpin.Flag(
"web.config",
"Path to config yaml file that can enable TLS or authentication.",
@ -166,6 +170,9 @@ func main() {
kingpin.Parse()
logger := promlog.New(promlogConfig)
if *disableDefaultCollectors {
collector.DisableDefaultCollectors()
}
level.Info(logger).Log("msg", "Starting node_exporter", "version", version.Info())
level.Info(logger).Log("msg", "Build context", "build_context", version.BuildContext())