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Merge branch 'feat/print-fail2ban-version-on-startup' into 'main'

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feat: print fail2ban version on startup

See merge request hectorjsmith/fail2ban-prometheus-exporter!96
This commit is contained in:
Hector 2023-06-22 15:16:12 +00:00
commit 5f879e1921
1 changed files with 19 additions and 3 deletions
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22
collector/f2b/collector.go
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@ -1,11 +1,12 @@
package f2b package f2b
import ( import (
"log"
"os"
"github.com/prometheus/client_golang/prometheus" "github.com/prometheus/client_golang/prometheus"
"gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/cfg" "gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/cfg"
"gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/socket" "gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/socket"
"log"
"os"
) )
type Collector struct { type Collector struct {
@ -18,7 +19,8 @@ type Collector struct {
} }
func NewExporter(appSettings *cfg.AppSettings, exporterVersion string) *Collector { func NewExporter(appSettings *cfg.AppSettings, exporterVersion string) *Collector {
log.Printf("reading metrics from fail2ban socket: %s", appSettings.Fail2BanSocketPath) log.Printf("reading fail2ban metrics from socket file: %s", appSettings.Fail2BanSocketPath)
printFail2BanServerVersion(appSettings.Fail2BanSocketPath)
return &Collector{ return &Collector{
socketPath: appSettings.Fail2BanSocketPath, socketPath: appSettings.Fail2BanSocketPath,
exporterVersion: exporterVersion, exporterVersion: exporterVersion,
@ -58,3 +60,17 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) {
} }
c.collectErrorCountMetric(ch) c.collectErrorCountMetric(ch)
} }
func printFail2BanServerVersion(socketPath string) {
s, err := socket.ConnectToSocket(socketPath)
if err != nil {
log.Printf("error connecting to socket: %v", err)
} else {
version, err := s.GetServerVersion()
if err != nil {
log.Printf("error interacting with socket: %v", err)
} else {
log.Printf("successfully connected to fail2ban socket! fail2ban version: %s", version)
}
}
}