From ec4f1f8642c9496e7b22e2a1327d3333ee0dc217 Mon Sep 17 00:00:00 2001
From: Natalia Serrano <natalia.serrano@qindel.com>
Date: Thu, 6 Mar 2025 13:55:25 +0100
Subject: [PATCH] refs #1646 add ogSetLinuxName

---
 ogclient/functions/ogSetLinuxName | 37 +++++++++++++++++++++++++++++++
 ogclient/lib/python3/BootLib.py   | 24 ++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100755 ogclient/functions/ogSetLinuxName

diff --git a/ogclient/functions/ogSetLinuxName b/ogclient/functions/ogSetLinuxName
new file mode 100755
index 0000000..0c66e0e
--- /dev/null
+++ b/ogclient/functions/ogSetLinuxName
@@ -0,0 +1,37 @@
+#!/usr/bin/python3
+
+import sys
+import argparse
+from SystemLib import ogHelp
+from BootLib import ogSetLinuxName
+from NetLib import ogGetHostname
+
+if 2 == len (sys.argv) and 'help' == sys.argv[1]:
+    #parser.print_help() sale en inglés aunque la locale indique otra cosa
+    ogHelp ('ogSetLinuxName', 'ogSetLinuxName int_ndisk int_nfilesys [str_name]', ['ogSetLinuxName 1 1 practica-pc'])
+    sys.exit (0)
+
+parser = argparse.ArgumentParser (add_help=False)
+if 3 == len (sys.argv):
+    parser.add_argument ('disk')
+    parser.add_argument ('par')
+elif 4 == len (sys.argv):
+    parser.add_argument ('disk')
+    parser.add_argument ('par')
+    parser.add_argument ('hostname')
+
+args = parser.parse_args()
+
+if 3 == len (sys.argv):
+    h = ogGetHostname()
+    if h:
+        ret = ogSetLinuxName (args.disk, args.par, h)
+    else:
+        ret = ogSetLinuxName (args.disk, args.par)
+elif 4 == len (sys.argv):
+    ret = ogSetLinuxName (args.disk, args.par, args.hostname)
+
+if ret is not None:
+    if   ret == True: sys.exit (0)
+    elif ret == False: sys.exit (1)
+    else: print (ret)
diff --git a/ogclient/lib/python3/BootLib.py b/ogclient/lib/python3/BootLib.py
index 8eb00b2..b520326 100644
--- a/ogclient/lib/python3/BootLib.py
+++ b/ogclient/lib/python3/BootLib.py
@@ -670,6 +670,30 @@ def ogConfigureFstab (disk, par):
 #@exception OG_ERR_PARTITION Tipo de partición desconocido o no se puede montar.
 #@note    Si no se indica nombre, se asigna un valor por defecto.
 #*/ ##
+def ogSetLinuxName (disk, par, hostname='pc'):
+# Montar el sistema de archivos.
+    mntdir = FileSystemLib.ogMount (disk, par)
+    if not mntdir: return None
+
+    etc = FileLib.ogGetPath (src=f'{disk} {par}', file='/etc')
+
+    if os.path.isdir (etc):
+	#cambio de nombre en hostname
+        with open (f'{etc}/hostname', 'w') as fd:
+            fd.write (f'{hostname}\n')
+	#Opcion A para cambio de nombre en hosts
+	#sed "/127.0.1.1/ c\127.0.1.1 \t $HOSTNAME" $ETC/hosts > /tmp/hosts && cp /tmp/hosts $ETC/ && rm /tmp/hosts
+	#Opcion B componer fichero de hosts
+        with open (f'{etc}/hosts', 'w') as fd:
+            fd.write ('127.0.0.1       localhost\n')
+            fd.write (f'127.0.1.1       {hostname}\n')
+            fd.write ('\n')
+            fd.write ('# The following lines are desirable for IPv6 capable hosts\n')
+            fd.write ('::1     ip6-localhost ip6-loopback\n')
+            fd.write ('fe00::0 ip6-localnet\n')
+            fd.write ('ff00::0 ip6-mcastprefix\n')
+            fd.write ('ff02::1 ip6-allnodes\n')
+            fd.write ('ff02::2 ip6-allrouters\n')