Added code to check if the /proc/net/if_net6 file exists.

Resolves: rhbz#2210106
jiraProject == RHELPLAN-158239

Signed-off-by: Anubhav Shelat <ashelat@redhat.com>

Added-code-to-check-if-the-proc-net-if_inet6-file-ex.patch

@@ -0,0 +1,57 @@
+From 0ba98b12775b5394aab2205df29d93439d625cc3 Mon Sep 17 00:00:00 2001
+From: Anubhav Shelat <ashelat@redhat.com>
+Date: Thu, 1 Jun 2023 16:27:35 -0400
+Subject: [PATCH] Added code to check if the proc/net/if_inet6 file exists
+ while loading IPv6 addresses in the IPv6Addresses class
+
+Added code to check if the proc/net/if_inet6 file exists while loading IPv6 addresses in the IPv6Addresses class. If it doesn't, then the system has IPv6 disabled, and that chunk of code is passed.
+
+Signed-off-by: Anubhav Shelat <ashelat@redhat.com>
+Signed-off-by: John Kacur <jkacur@redhat.com>
+---
+ rteval/sysinfo/newnet.py | 28 ++++++++++++++++------------
+ 1 file changed, 16 insertions(+), 12 deletions(-)
+
+diff --git a/rteval/sysinfo/newnet.py b/rteval/sysinfo/newnet.py
+index 63417d9e59f1..2911400ceb6c 100644
+--- a/rteval/sysinfo/newnet.py
++++ b/rteval/sysinfo/newnet.py
+@@ -72,19 +72,23 @@ class IPv6Addresses():
+             and a list of ipv6addresses
+         '''
+         MYP = '/proc/net/if_inet6'
+-        with open(MYP, 'r') as f:
+-            mystr = f.readline().strip()
+-            while len(mystr) > 0:
+-                ipv6addr , _, _, _, _, intf = mystr.split()
+-                ipv6addr = compress_iv6(ipv6addr)
+-                if intf == 'lo':
+-                    mystr = f.readline().strip()
+-                    continue
+-                if intf not in self.data:
+-                    self.data[intf] = [ipv6addr]
+-                else:
+-                    self.data[intf].append(ipv6addr)
++        try:
++            with open(MYP, 'r') as f:
+                 mystr = f.readline().strip()
++                while len(mystr) > 0:
++                    ipv6addr , _, _, _, _, intf = mystr.split()
++                    ipv6addr = compress_iv6(ipv6addr)
++                    if intf == 'lo':
++                        mystr = f.readline().strip()
++                        continue
++                    if intf not in self.data:
++                        self.data[intf] = [ipv6addr]
++                    else:
++                        self.data[intf].append(ipv6addr)
++                    mystr = f.readline().strip()
++        # if IPv6 is disabled, the if_net6 files does not exist, so we can pass
++        except FileNotFoundError:
++            pass
+ 
+ class IPv4Addresses():
+     ''' Obtains a list of IPv4 addresses from the proc file system '''
+-- 
+2.31.1
+

rteval.spec

@@ -1,6 +1,6 @@
 Name:		rteval
 Version:	3.5
-Release:	4%{?dist}
+Release:	5%{?dist}
 Summary:	Utility to evaluate system suitability for RT Linux
 
 Group:		Development/Tools
@@ -37,6 +37,7 @@ Patch1: rteval-Replace-python-ethtool-with-inline-code.patch
 Patch2: Fix-DMI-WARNING-when-not-running-as-root.patch
 Patch3: rteval-Don-t-attempt-to-get-DMIinfo-if-there-are-dmi.patch
 Patch4: rteval-Catch-failures-in-python-dmidecode.patch
+Patch5: Added-code-to-check-if-the-proc-net-if_inet6-file-ex.patch
 
 %description
 The rteval script is a utility for measuring various aspects of
@@ -53,6 +54,7 @@ to the screen.
 %patch2 -p1
 %patch3 -p1
 %patch4 -p1
+%patch5 -p1
 
 %build
 %{__python3} setup.py build
@@ -86,6 +88,11 @@ to the screen.
 %{python3_sitelib}/rteval/__pycache__/*
 
 %changelog
+* Wed Jun 07 2023 John Kacur <jkacur@redhat.com> - 3.5-5
+- Added code to check if the /proc/net/if_net6 file exists.
+Resolves: rhbz#2210106
+jiraProject == RHELPLAN-158239
+
 * Wed Feb 08 2023 John Kacur <jkacur@redhat.com> - 3.5-4
 - Add check to catch python-dmidecode if it fails
 Resolves: rhbz#2168373