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Retrieve config information from environment variables

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Enrico Stahn 2018-02-20 12:33:36 +11:00
parent 11b8bfd57c
commit 252d8b9da1
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GPG key ID: 5263621C269A50DE
1 changed files with 21 additions and 0 deletions
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21
cmd/server.go
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@ -14,11 +14,13 @@
package cmd
import (
"fmt"
"github.com/hipages/php-fpm_exporter/phpfpm"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/spf13/cobra"
"net/http"
"os"
)
// Configuration variables
@ -82,4 +84,23 @@ func init() {
serverCmd.Flags().StringSliceVar(&scrapeURIs, "phpfpm.scrape-uri", []string{"tcp://127.0.0.1:9000/status"}, "FastCGI address, e.g. unix:///tmp/php.sock;/status or tcp://127.0.0.1:9000/status")
serverCmd.Flags().StringSliceVar(&customLabelNames, "phpfpm.label-name", []string{}, "Name of the custom label that will be inserted.")
serverCmd.Flags().StringSliceVar(&customLabelValues, "phpfpm.label-value", []string{}, "Value of the custom label that will be inserted.")
//viper.BindEnv("web.listen-address", "PHP_FPM_WEB_LISTEN_ADDRESS")
//viper.BindPFlag("web.listen-address", serverCmd.Flags().Lookup("web.listen-address"))
// Workaround since vipers BindEnv is currently not working as expected (see https://github.com/spf13/viper/issues/461)
envs := map[string]string{
"PHP_FPM_WEB_LISTEN_ADDRESS": "web.listen-address",
"PHP_FPM_WEB_TELEMETRY_PATH": "web.telemetry-path",
"PHP_FPM_SCRAPE_URI": "phpfpm.scrape-uri",
}
for env, flag := range envs {
flag := serverCmd.Flags().Lookup(flag)
flag.Usage = fmt.Sprintf("%v [env %v]", flag.Usage, env)
if value := os.Getenv(env); value != "" {
flag.Value.Set(value)
}
}
}