From e76d9a009632629e6a22b0d77eebc913c9268a6d Mon Sep 17 00:00:00 2001
From: John Estabrook <jestabro@vyos.io>
Date: Fri, 25 Sep 2020 11:49:30 -0500
Subject: syslog: T2899: shift system migration files +1 to allow for crux

---
 src/migration-scripts/system/17-to-18 | 123 +++++++++++++---------------------
 1 file changed, 47 insertions(+), 76 deletions(-)

(limited to 'src/migration-scripts/system/17-to-18')

diff --git a/src/migration-scripts/system/17-to-18 b/src/migration-scripts/system/17-to-18
index dd2abce00..8f762c0e2 100755
--- a/src/migration-scripts/system/17-to-18
+++ b/src/migration-scripts/system/17-to-18
@@ -13,93 +13,64 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
 
-# migrate disable-dhcp-nameservers (boolean) to name-servers-dhcp <interface>
-# if disable-dhcp-nameservers is set, just remove it
-# else retrieve all interface names that have configured dhcp(v6) address and
-# add them to the new name-servers-dhcp node
+# remove "system console netconsole"
+# remove "system console device <device> modem"
+
+import os
+import sys
 
-from sys import argv, exit
-from vyos.ifconfig import Interface
 from vyos.configtree import ConfigTree
 
-if (len(argv) < 1):
+if (len(sys.argv) < 1):
     print("Must specify file name!")
-    exit(1)
+    sys.exit(1)
 
-file_name = argv[1]
+file_name = sys.argv[1]
 
 with open(file_name, 'r') as f:
     config_file = f.read()
 
 config = ConfigTree(config_file)
-
-base = ['system']
+base = ['system', 'console']
 if not config.exists(base):
     # Nothing to do
-    exit(0)
-
-if config.exists(base + ['disable-dhcp-nameservers']):
-    config.delete(base + ['disable-dhcp-nameservers'])
+    sys.exit(0)
 else:
-    dhcp_interfaces = []
-
-    # go through all interfaces searching for 'address dhcp(v6)?'
-    for sect in Interface.sections():
-        sect_base = ['interfaces', sect]
-
-        if not config.exists(sect_base):
-            continue
-
-        for intf in config.list_nodes(sect_base):
-            intf_base = sect_base + [intf]
-
-            # try without vlans
-            if config.exists(intf_base + ['address']):
-                for addr in config.return_values(intf_base + ['address']):
-                    if addr in ['dhcp', 'dhcpv6']:
-                        dhcp_interfaces.append(intf)
-
-            # try vif
-            if config.exists(intf_base + ['vif']):
-                for vif in config.list_nodes(intf_base + ['vif']):
-                    vif_base = intf_base + ['vif', vif]
-                    if config.exists(vif_base + ['address']):
-                        for addr in config.return_values(vif_base + ['address']):
-                            if addr in ['dhcp', 'dhcpv6']:
-                                dhcp_interfaces.append(f'{intf}.{vif}')
-
-            # try vif-s
-            if config.exists(intf_base + ['vif-s']):
-                for vif_s in config.list_nodes(intf_base + ['vif-s']):
-                    vif_s_base = intf_base + ['vif-s', vif_s]
-                    if config.exists(vif_s_base + ['address']):
-                        for addr in config.return_values(vif_s_base + ['address']):
-                            if addr in ['dhcp', 'dhcpv6']:
-                                dhcp_interfaces.append(f'{intf}.{vif_s}')
-
-                # try vif-c
-                if config.exists(intf_base + ['vif-c', vif_c]):
-                    for vif_c in config.list_nodes(vif_s_base + ['vif-c', vif_c]):
-                        vif_c_base = vif_s_base + ['vif-c', vif_c]
-                        if config.exists(vif_c_base + ['address']):
-                            for addr in config.return_values(vif_c_base + ['address']):
-                                if addr in ['dhcp', 'dhcpv6']:
-                                    dhcp_interfaces.append(f'{intf}.{vif_s}.{vif_c}')
-
-    # set new config nodes
-    for intf in dhcp_interfaces:
-        config.set(base + ['name-servers-dhcp'], value=intf, replace=False)
-
-    # delete old node
-    config.delete(base + ['disable-dhcp-nameservers'])
-
-try:
-    with open(file_name, 'w') as f:
-        f.write(config.to_string())
-except OSError as e:
-    print("Failed to save the modified config: {}".format(e))
-    exit(1)
-
-exit(0)
+    # remove "system console netconsole" (T2561)
+    if config.exists(base + ['netconsole']):
+        config.delete(base + ['netconsole'])
+
+    if config.exists(base + ['device']):
+        for device in config.list_nodes(base + ['device']):
+            dev_path = base + ['device', device]
+            # remove "system console device <device> modem" (T2570)
+            if config.exists(dev_path + ['modem']):
+                config.delete(dev_path + ['modem'])
+
+            # Only continue on USB based serial consoles
+            if not 'ttyUSB' in device:
+                continue
+
+            # A serial console has been configured but it does no longer
+            # exist on the system - cleanup
+            if not os.path.exists(f'/dev/{device}'):
+                config.delete(dev_path)
+                continue
+
+            # migrate from ttyUSB device to new device in /dev/serial/by-bus
+            for root, dirs, files in os.walk('/dev/serial/by-bus'):
+                for usb_device in files:
+                    device_file = os.path.realpath(os.path.join(root, usb_device))
+                    # migrate to new USB device names (T2529)
+                    if os.path.basename(device_file) == device:
+                        config.copy(dev_path, base + ['device', usb_device])
+                        # Delete old USB node from config
+                        config.delete(dev_path)
+
+    try:
+        with open(file_name, 'w') as f:
+            f.write(config.to_string())
+    except OSError as e:
+        print("Failed to save the modified config: {}".format(e))
+        sys.exit(1)
-- 
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