fail2ban-prometheus-exporter/src/cfg/cfg.go
Hector b268f8654c remove: database-based metrics
Remove all database-based metrics from the metrics endpoint.
Remove all code related to pulling metrics from the fail2ban database.
Remove all configuration variables related to the fail2ban database.
The CLI parameter for the database path was not removed to avoid breaking
compatibility.
Update docker entrypoint to remove references to the fail2ban database.
Remove all references to the old database metrics from the README.
2021-10-15 18:02:26 +00:00

59 lines
1.7 KiB
Go

package cfg
import (
"flag"
"fmt"
"os"
)
const (
minServerPort = 1000
maxServerPort = 65535
)
type AppSettings struct {
VersionMode bool
MetricsPort int
Fail2BanSocketPath string
FileCollectorPath string
FileCollectorEnabled bool
}
func Parse() *AppSettings {
appSettings := &AppSettings{}
flag.BoolVar(&appSettings.VersionMode, "version", false, "show version info and exit")
flag.IntVar(&appSettings.MetricsPort, "port", 9191, "port to use for the metrics server")
flag.StringVar(&appSettings.Fail2BanSocketPath, "socket", "", "path to the fail2ban server socket")
flag.BoolVar(&appSettings.FileCollectorEnabled, "collector.textfile", false, "enable the textfile collector")
flag.StringVar(&appSettings.FileCollectorPath, "collector.textfile.directory", "", "directory to read text files with metrics from")
// deprecated: to be removed in next version
_ = flag.String("db", "", "path to the fail2ban sqlite database (removed)")
flag.Parse()
appSettings.validateFlags()
return appSettings
}
func (settings *AppSettings) validateFlags() {
var flagsValid = true
if !settings.VersionMode {
if settings.Fail2BanSocketPath == "" {
fmt.Println("fail2ban socket path must not be blank")
flagsValid = false
}
if settings.MetricsPort < minServerPort || settings.MetricsPort > maxServerPort {
fmt.Printf("invalid server port, must be within %d and %d (found %d)\n",
minServerPort, maxServerPort, settings.MetricsPort)
flagsValid = false
}
if settings.FileCollectorEnabled && settings.FileCollectorPath == "" {
fmt.Printf("file collector directory path must not be empty if collector enabled\n")
flagsValid = false
}
}
if !flagsValid {
flag.Usage()
os.Exit(1)
}
}