feat: print fail2ban version on startup (!96)
* Print the version reported by `fail2ban-server` when the exporter starts up * Logs an error if the connection to the server fails https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/-/merge_requests/96
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1 changed files with 19 additions and 3 deletions
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@ -1,11 +1,12 @@
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package f2b
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import (
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"log"
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"os"
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"github.com/prometheus/client_golang/prometheus"
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"gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/cfg"
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"gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/socket"
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"log"
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"os"
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)
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type Collector struct {
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@ -18,7 +19,8 @@ type Collector struct {
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}
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func NewExporter(appSettings *cfg.AppSettings, exporterVersion string) *Collector {
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log.Printf("reading metrics from fail2ban socket: %s", appSettings.Fail2BanSocketPath)
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log.Printf("reading fail2ban metrics from socket file: %s", appSettings.Fail2BanSocketPath)
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printFail2BanServerVersion(appSettings.Fail2BanSocketPath)
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return &Collector{
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socketPath: appSettings.Fail2BanSocketPath,
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exporterVersion: exporterVersion,
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@ -58,3 +60,17 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) {
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}
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c.collectErrorCountMetric(ch)
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}
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func printFail2BanServerVersion(socketPath string) {
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s, err := socket.ConnectToSocket(socketPath)
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if err != nil {
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log.Printf("error connecting to socket: %v", err)
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} else {
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version, err := s.GetServerVersion()
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if err != nil {
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log.Printf("error interacting with socket: %v", err)
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} else {
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log.Printf("successfully connected to fail2ban socket! fail2ban version: %s", version)
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}
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}
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}
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