From 2e85f9325a797977eea9dfea0a925775ddd211d9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Feb 2021 12:49:00 +0100
Subject: Merging upstream version 1.29.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 collectors/python.d.plugin/fail2ban/README.md      | 22 ++++++++++++++++++----
 .../python.d.plugin/fail2ban/fail2ban.chart.py     | 20 +++++++++-----------
 2 files changed, 27 insertions(+), 15 deletions(-)

(limited to 'collectors/python.d.plugin/fail2ban')

diff --git a/collectors/python.d.plugin/fail2ban/README.md b/collectors/python.d.plugin/fail2ban/README.md
index 1ab0f6f63..c1ad994a5 100644
--- a/collectors/python.d.plugin/fail2ban/README.md
+++ b/collectors/python.d.plugin/fail2ban/README.md
@@ -1,14 +1,28 @@
-# fail2ban
+<!--
+title: "Fail2ban monitoring with Netdata"
+custom_edit_url: https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/fail2ban/README.md
+sidebar_label: "Fail2ban"
+-->
 
-Module monitor fail2ban log file to show all bans for all active jails
+# Fail2ban monitoring with Netdata
 
-**Requirements:**
+Monitors the fail2ban log file to show all bans for all active jails.
+
+## Requirements
 
 -   fail2ban.log file MUST BE readable by Netdata (A good idea is to add  **create 0640 root netdata** to fail2ban conf at logrotate.d)
 
 It produces one chart with multiple lines (one line per jail)
 
-## configuration
+## Configuration
+
+Edit the `python.d/fail2ban.conf` configuration file using `edit-config` from the Netdata [config
+directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`.
+
+```bash
+cd /etc/netdata   # Replace this path with your Netdata config directory, if different
+sudo ./edit-config python.d/fail2ban.conf
+```
 
 Sample:
 
diff --git a/collectors/python.d.plugin/fail2ban/fail2ban.chart.py b/collectors/python.d.plugin/fail2ban/fail2ban.chart.py
index 9f5f2dcc4..99dbf79dd 100644
--- a/collectors/python.d.plugin/fail2ban/fail2ban.chart.py
+++ b/collectors/python.d.plugin/fail2ban/fail2ban.chart.py
@@ -3,15 +3,13 @@
 # Author: ilyam8
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-import re
 import os
-
+import re
 from collections import defaultdict
 from glob import glob
 
 from bases.FrameworkServices.LogService import LogService
 
-
 ORDER = [
     'jails_bans',
     'jails_in_jail',
@@ -25,13 +23,13 @@ def charts(jails):
 
     ch = {
         ORDER[0]: {
-                'options': [None, 'Jails Ban Rate', 'bans/s', 'bans', 'jail.bans', 'line'],
-                'lines': []
+            'options': [None, 'Jails Ban Rate', 'bans/s', 'bans', 'jail.bans', 'line'],
+            'lines': []
         },
         ORDER[1]: {
-                'options': [None, 'Banned IPs (since the last restart of netdata)', 'IPs', 'in jail',
-                            'jail.in_jail', 'line'],
-                'lines': []
+            'options': [None, 'Banned IPs (since the last restart of netdata)', 'IPs', 'in jail',
+                        'jail.in_jail', 'line'],
+            'lines': []
         },
     }
     for jail in jails:
@@ -52,7 +50,7 @@ def charts(jails):
     return ch
 
 
-RE_JAILS = re.compile(r'\[([a-zA-Z0-9_-]+)\][^\[\]]+?enabled\s+= (true|false)')
+RE_JAILS = re.compile(r'\[([a-zA-Z0-9_-]+)\][^\[\]]+?enabled\s+= +(true|yes|false|no)')
 
 # Example:
 # 2018-09-12 11:45:53,715 fail2ban.actions[25029]: WARNING [ssh] Unban 195.201.88.33
@@ -198,9 +196,9 @@ class Service(LogService):
             if name in exclude:
                 continue
 
-            if status == 'true' and name not in active_jails:
+            if status in ('true','yes') and name not in active_jails:
                 active_jails.append(name)
-            elif status == 'false' and name in active_jails:
+            elif status in ('false','no') and name in active_jails:
                 active_jails.remove(name)
 
         return active_jails or DEFAULT_JAILS
-- 
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