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Implementing auto-disable of the jail when reload fails after saving filter/jail config

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This commit is contained in:
Michael Reber
2026-02-11 17:23:38 +01:00
parent 08112ff9b9
commit 514c9dd444
8 changed files with 31 additions and 3 deletions
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19
pkg/web/handlers.go
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@@ -1459,9 +1459,24 @@ func SetJailFilterConfigHandler(c *gin.Context) {
config.DebugLog("Reloading fail2ban")
if err := conn.Reload(c.Request.Context()); err != nil {
log.Printf("⚠️ Config saved but fail2ban reload failed: %v", err)
// Auto-disable this jail so fail2ban won't crash on next restart (invalid filter/jail config)
disableUpdate := map[string]bool{jail: false}
if disableErr := conn.UpdateJailEnabledStates(c.Request.Context(), disableUpdate); disableErr != nil {
log.Printf("⚠️ Failed to auto-disable jail %s after reload failure: %v", jail, disableErr)
c.JSON(http.StatusOK, gin.H{
"message": "Config saved successfully, but fail2ban reload failed",
"warning": err.Error(),
})
return
}
if reloadErr2 := conn.Reload(c.Request.Context()); reloadErr2 != nil {
log.Printf("⚠️ Failed to reload fail2ban after auto-disabling jail %s: %v", jail, reloadErr2)
}
c.JSON(http.StatusOK, gin.H{
"message": "Config saved successfully, but fail2ban reload failed",
"warning": err.Error(),
"message": "Config saved successfully, but fail2ban reload failed",
"warning": err.Error(),
"jailAutoDisabled": true,
"jailName": jail,
})
return
}