From 748f23269bb5d896feaf22e514929f378b6833af Mon Sep 17 00:00:00 2001
From: Jeffrey Townsend <jeffrey.townsend@bigswitch.com>
Date: Thu, 13 Jun 2019 16:23:36 +0000
Subject: [PATCH] Check for the existance of /etc/inittab before attempting to
 modify it.

---
 tools/onlrfs.py | 41 +++++++++++++++++++++--------------------
 1 file changed, 21 insertions(+), 20 deletions(-)

diff --git a/tools/onlrfs.py b/tools/onlrfs.py
index a7906398..a9a4cb5d 100755
--- a/tools/onlrfs.py
+++ b/tools/onlrfs.py
@@ -517,29 +517,30 @@ rm -f /usr/sbin/policy-rc.d
                         onlu.execute('sudo rm %s' % f,
                                      ex=OnlRfsError('Could not remove file %s' % f))
 
-                if not options.get('ttys', False):
-                    f = os.path.join(dir_, 'etc/inittab')
-                    ua.chmod('a+w', f)
-                    ua.chmod('a+w', os.path.dirname(f))
+                if os.path.exists(os.path.join(dir_, 'etc/inittab')):
+                    if not options.get('ttys', False):
+                        f = os.path.join(dir_, 'etc/inittab')
+                        ua.chmod('a+w', f)
+                        ua.chmod('a+w', os.path.dirname(f))
 
-                    logger.info("Clearing %s ttys..." % f)
-                    for line in fileinput.input(f, inplace=True):
-                        if re.match("^[123456]:.*", line):
-                           line = "#" + line
-                        print line,
+                        logger.info("Clearing %s ttys..." % f)
+                        for line in fileinput.input(f, inplace=True):
+                            if re.match("^[123456]:.*", line):
+                               line = "#" + line
+                            print line,
 
-                    ua.chmod('go-w', f)
-                    ua.chmod('go-w', os.path.dirname(f))
+                        ua.chmod('go-w', f)
+                        ua.chmod('go-w', os.path.dirname(f))
 
-                if options.get('console', True):
-                    logger.info('Configuring Console Access in %s' % f)
-                    f = os.path.join(dir_, 'etc/inittab')
-                    ua.chmod('a+w', f)
-                    ua.chmod('a+w', os.path.dirname(f))
-                    with open(f, 'a') as h:
-                        h.write("T0:23:respawn:/sbin/pgetty\n")
-                    ua.chmod('go-w', f)
-                    ua.chmod('go-w', os.path.dirname(f))
+                    if options.get('console', True):
+                        logger.info('Configuring Console Access in %s' % f)
+                        f = os.path.join(dir_, 'etc/inittab')
+                        ua.chmod('a+w', f)
+                        ua.chmod('a+w', os.path.dirname(f))
+                        with open(f, 'a') as h:
+                            h.write("T0:23:respawn:/sbin/pgetty\n")
+                        ua.chmod('go-w', f)
+                        ua.chmod('go-w', os.path.dirname(f))
 
                 if options.get('asr', None):
                     asropts = options.get('asr')