From 08a06669293ecec6b755b8ed0a26b4138d044770 Mon Sep 17 00:00:00 2001
From: Rottler Tamas <tom@bitfit.hu>
Date: Sat, 19 Jul 2025 13:23:51 +0200
Subject: [PATCH] cisco nexus

---
 ansible-role/tasks/backup.yml |  1 +
 routerbackup                  | 47 ++++++++++++++++++++++++++++++++---
 routerbackup.yml              |  4 +--
 3 files changed, 47 insertions(+), 5 deletions(-)

diff --git a/ansible-role/tasks/backup.yml b/ansible-role/tasks/backup.yml
index fd715c3..50b8288 100644
--- a/ansible-role/tasks/backup.yml
+++ b/ansible-role/tasks/backup.yml
@@ -5,6 +5,7 @@
       {% if 'routeros' in group_names %}routeros
       {% elif 'ciscoasa' in group_names %}asa
       {% elif 'ciscoios' in group_names %}ios
+      {% elif 'cisconexus' in group_names %}nexus
       {% elif 'hpcomware' in group_names %}comware
       {% else %}undefined
       {% endif %}
diff --git a/routerbackup b/routerbackup
index 5094d0d..58302af 100755
--- a/routerbackup
+++ b/routerbackup
@@ -13,12 +13,12 @@ import difflib
 
 def get_args():
     parser = argparse.ArgumentParser(
-        description='routerbackup - save routeros/ios/asa router configuration')
+        description='routerbackup - save routeros/ios/nexus/asa router configuration')
 
     parser.add_argument('-t', '--type',
                         required=True,
                         action='store',
-                        help='device type {routeros,ios,asa}')
+                        help='device type {routeros,ios,nexus,asa}')
     parser.add_argument('-H', '--host',
                         required=True,
                         action='store',
@@ -349,6 +349,45 @@ class IosConfig(Config):
         return prepared
 
 
+class NexusConfig(Config):
+    def __init__(self, workdir):
+        super().__init__(workdir)
+        self.extra['iproute'] = {
+            'type': 'text',
+            'content': None
+            }
+
+    def get_config(self):
+        shrun = []
+        stdin, stdout, stderr = self.ssh.exec_command('sh run')
+        for line in stdout:
+            line = line.rstrip()
+            shrun.append(line)
+
+        iproute = []
+        for cmd in ('sh ip interface brief', 'sh ip route'):
+            stdin, stdout, stderr = self.ssh.exec_command(cmd)
+            iproute.append('# '+ cmd.center(76, '='))
+            for line in stdout:
+                line = line.rstrip()
+                iproute.append(line)
+
+        self.config = '\n'.join(shrun)
+        self.extra['iproute']['content'] = '\n'.join(iproute)
+
+    def _prepare_config_for_diff(self, configlines):
+        prepared = []
+        for line in configlines:
+            if not re.search('\S', line):
+                continue
+            if re.match('!Running configuration last done at', line):
+                continue
+            if re.match('!Time', line):
+                continue
+            prepared.append(line)
+        return prepared
+
+
 class ConfigWithShell(Config):
     def _shell_command(self, channel, cmd,
             waitfor=None,
@@ -461,13 +500,15 @@ def main():
     args = get_args()
     setup_logging(args.host, args.logfile, args.loglevel)
     try:
-        if args.type not in ('routeros', 'ios', 'asa', 'comware'):
+        if args.type not in ('routeros', 'ios', 'nexus', 'asa', 'comware'):
             raise ValueError(f'Invalid devtype: {args.type}')
 
         if args.type == 'routeros':
             cf = RouterosConfig(workdir=args.backupdir)
         elif args.type == 'ios':
             cf = IosConfig(workdir=args.backupdir)
+        elif args.type == 'nexus':
+            cf = NexusConfig(workdir=args.backupdir)
         elif args.type == 'asa':
             cf = AsaConfig(workdir=args.backupdir)
         elif args.type == 'comware':
diff --git a/routerbackup.yml b/routerbackup.yml
index d28732e..e3f9634 100644
--- a/routerbackup.yml
+++ b/routerbackup.yml
@@ -1,6 +1,6 @@
 ---
 - name: set router configuration backup directory
-  hosts: routeros,ciscoasa,!ciscoasa_slave,ciscoios,hpcomware
+  hosts: routeros,ciscoasa,!ciscoasa_slave,ciscoios,cisconexus,hpcomware
   gather_facts: no
   tags: always
   tasks:
@@ -11,7 +11,7 @@
         routerbackup_maxage: 24
 
 - name: use router backup role
-  hosts: routeros,ciscoasa,!ciscoasa_slave,ciscoios,hpcomware
+  hosts: routeros,ciscoasa,!ciscoasa_slave,ciscoios,cisconexus,hpcomware
   gather_facts: no
   roles:
     - routerbackup