prometheus/postgres_exporter
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Add config module

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The config module supports adding configuration to the exporter via a config file. This supports adding authentication details in a config file so that /probe requests can specify authentication for endpoints

Signed-off-by: Joe Adams <github@joeadams.io>
This commit is contained in:
Joe Adams
2022-03-04 16:39:48 -05:00
parent 713461df98
commit cc751b7966
9 changed files with 249 additions and 6 deletions
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11
cmd/postgres_exporter/main.go
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@@ -20,6 +20,7 @@ import (
"github.com/go-kit/log"
"github.com/go-kit/log/level"
"github.com/prometheus-community/postgres_exporter/collector"
"github.com/prometheus-community/postgres_exporter/config"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/prometheus/common/promlog"
@@ -31,6 +32,11 @@ import (
)
var (
c = config.ConfigHandler{
Config: &config.Config{},
}
configFile = kingpin.Flag("config.file", "Promehteus exporter configuration file.").Default("postres_exporter.yml").String()
listenAddress = kingpin.Flag("web.listen-address", "Address to listen on for web interface and telemetry.").Default(":9187").Envar("PG_EXPORTER_WEB_LISTEN_ADDRESS").String()
webConfig = webflag.AddFlags(kingpin.CommandLine)
metricPath = kingpin.Flag("web.telemetry-path", "Path under which to expose metrics.").Default("/metrics").Envar("PG_EXPORTER_WEB_TELEMETRY_PATH").String()
@@ -85,6 +91,11 @@ func main() {
return
}
if err := c.ReloadConfig(*configFile, logger); err != nil {
// This is not fatal, but it means that auth must be provided for every dsn.
level.Error(logger).Log("msg", "Error loading config", "err", err)
}
dsns, err := getDataSources()
if err != nil {
level.Error(logger).Log("msg", "Failed reading data sources", "err", err.Error())