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-rwxr-xr-xsrc/migration-scripts/qos/1-to-2126
1 files changed, 126 insertions, 0 deletions
diff --git a/src/migration-scripts/qos/1-to-2 b/src/migration-scripts/qos/1-to-2
new file mode 100755
index 000000000..41026cbd6
--- /dev/null
+++ b/src/migration-scripts/qos/1-to-2
@@ -0,0 +1,126 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from sys import argv,exit
+
+from vyos.base import Warning
+from vyos.configtree import ConfigTree
+from vyos.util import read_file
+
+def bandwidth_percent_to_val(interface, percent) -> int:
+ speed = read_file(f'/sys/class/net/{interface}/speed')
+ if not speed.isnumeric():
+ Warning('Interface speed cannot be determined (assuming 10 Mbit/s)')
+ speed = 10
+ speed = int(speed) *1000000 # convert to MBit/s
+ return speed * int(percent) // 100 # integer division
+
+if (len(argv) < 1):
+ print("Must specify file name!")
+ exit(1)
+
+file_name = argv[1]
+
+with open(file_name, 'r') as f:
+ config_file = f.read()
+
+base = ['traffic-policy']
+config = ConfigTree(config_file)
+
+if not config.exists(base):
+ # Nothing to do
+ exit(0)
+
+iface_config = {}
+
+if config.exists(['interfaces']):
+ def get_qos(config, interface, interface_base):
+ if config.exists(interface_base):
+ tmp = { interface : {} }
+ if config.exists(interface_base + ['in']):
+ tmp[interface]['ingress'] = config.return_value(interface_base + ['in'])
+ if config.exists(interface_base + ['out']):
+ tmp[interface]['egress'] = config.return_value(interface_base + ['out'])
+ config.delete(interface_base)
+ return tmp
+ return None
+
+ # Migrate "interface ethernet eth0 traffic-policy in|out" to "qos interface eth0 ingress|egress"
+ for type in config.list_nodes(['interfaces']):
+ for interface in config.list_nodes(['interfaces', type]):
+ interface_base = ['interfaces', type, interface, 'traffic-policy']
+ tmp = get_qos(config, interface, interface_base)
+ if tmp: iface_config.update(tmp)
+
+ vif_path = ['interfaces', type, interface, 'vif']
+ if config.exists(vif_path):
+ for vif in config.list_nodes(vif_path):
+ vif_interface_base = vif_path + [vif, 'traffic-policy']
+ ifname = f'{interface}.{vif}'
+ tmp = get_qos(config, ifname, vif_interface_base)
+ if tmp: iface_config.update(tmp)
+
+ vif_s_path = ['interfaces', type, interface, 'vif-s']
+ if config.exists(vif_s_path):
+ for vif_s in config.list_nodes(vif_s_path):
+ vif_s_interface_base = vif_s_path + [vif_s, 'traffic-policy']
+ ifname = f'{interface}.{vif_s}'
+ tmp = get_qos(config, ifname, vif_s_interface_base)
+ if tmp: iface_config.update(tmp)
+
+ # vif-c interfaces MUST be migrated before their parent vif-s
+ # interface as the migrate_*() functions delete the path!
+ vif_c_path = ['interfaces', type, interface, 'vif-s', vif_s, 'vif-c']
+ if config.exists(vif_c_path):
+ for vif_c in config.list_nodes(vif_c_path):
+ vif_c_interface_base = vif_c_path + [vif_c, 'traffic-policy']
+ ifname = f'{interface}.{vif_s}.{vif_c}'
+ tmp = get_qos(config, ifname, vif_s_interface_base)
+ if tmp: iface_config.update(tmp)
+
+
+# Now we have the information which interface uses which QoS policy.
+# Interface binding will be moved to the qos CLi tree
+config.set(['qos'])
+config.copy(base, ['qos', 'policy'])
+config.delete(base)
+
+# Now map the interface policy binding to the new CLI syntax
+if len(iface_config):
+ config.set(['qos', 'interface'])
+ config.set_tag(['qos', 'interface'])
+
+for interface, interface_config in iface_config.items():
+ config.set(['qos', 'interface', interface])
+ config.set_tag(['qos', 'interface', interface])
+ if 'ingress' in interface_config:
+ config.set(['qos', 'interface', interface, 'ingress'], value=interface_config['ingress'])
+ if 'egress' in interface_config:
+ config.set(['qos', 'interface', interface, 'egress'], value=interface_config['egress'])
+
+# Remove "burst" CLI node from network emulator
+netem_base = ['qos', 'policy', 'network-emulator']
+if config.exists(netem_base):
+ for policy_name in config.list_nodes(netem_base):
+ if config.exists(netem_base + [policy_name, 'burst']):
+ config.delete(netem_base + [policy_name, 'burst'])
+
+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)