diff options
Diffstat (limited to 'python/vyos/ifconfig/erspan.py')
| -rwxr-xr-x | python/vyos/ifconfig/erspan.py | 83 |
1 files changed, 41 insertions, 42 deletions
diff --git a/python/vyos/ifconfig/erspan.py b/python/vyos/ifconfig/erspan.py index 50230e14a..9e24cf6cd 100755 --- a/python/vyos/ifconfig/erspan.py +++ b/python/vyos/ifconfig/erspan.py @@ -1,4 +1,4 @@ -# Copyright 2019-2020 VyOS maintainers and contributors <maintainers@vyos.io> +# Copyright 2019-2021 VyOS maintainers and contributors <maintainers@vyos.io> # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -31,12 +31,7 @@ class _ERSpan(Interface): """ _ERSpan: private base class for ERSPAN tunnels """ - default = { - **Interface.default, - **{ - 'type': 'erspan', - } - } + iftype = 'erspan' definition = { **Interface.definition, **{ @@ -44,18 +39,23 @@ class _ERSpan(Interface): 'prefixes': ['ersp',], }, } - - options = ['local_ip','remote_ip','encapsulation','parameters'] - + def __init__(self,ifname,**config): self.config = deepcopy(config) if config else {} super().__init__(ifname, **self.config) - + def change_options(self): pass - + def update(self, config): - + """ General helper function which works on a dictionary retrived by + get_config_dict(). It's main intention is to consolidate the scattered + interface setup code and provide a single point of entry when workin + on any interface. """ + + # call base class first + super().update(config) + # Enable/Disable of an interface must always be done at the end of the # derived class to make use of the ref-counting set_admin_state() # function. We will only enable the interface if 'up' was called as @@ -63,10 +63,9 @@ class _ERSpan(Interface): # as certain parameters can only be changed when the interface is # in admin-down state. This ensures the link does not flap during # reconfiguration. - super().update(config) state = 'down' if 'disable' in config else 'up' self.set_admin_state(state) - + def _create(self): pass @@ -74,15 +73,15 @@ class ERSpanIf(_ERSpan): """ ERSpanIf: private base class for ERSPAN Over GRE and IPv4 tunnels """ - + def _create(self): ifname = self.config['ifname'] - local_ip = self.config['local_ip'] - remote_ip = self.config['remote_ip'] + source_address = self.config['source_address'] + remote = self.config['remote'] key = self.config['parameters']['ip']['key'] version = self.config['parameters']['version'] - command = f'ip link add dev {ifname} type erspan local {local_ip} remote {remote_ip} seq key {key} erspan_ver {version}' - + command = f'ip link add dev {ifname} type erspan local {source_address} remote {remote} seq key {key} erspan_ver {version}' + if int(version) == 1: idx=dict_search('parameters.erspan.idx',self.config) if idx: @@ -94,24 +93,24 @@ class ERSpanIf(_ERSpan): hwid=dict_search('parameters.erspan.hwid',self.config) if hwid: command += f' erspan_hwid {hwid}' - + ttl = dict_search('parameters.ip.ttl',self.config) if ttl: command += f' ttl {ttl}' tos = dict_search('parameters.ip.tos',self.config) if tos: command += f' tos {tos}' - + self._cmd(command) - + def change_options(self): ifname = self.config['ifname'] - local_ip = self.config['local_ip'] - remote_ip = self.config['remote_ip'] + source_address = self.config['source_address'] + remote = self.config['remote'] key = self.config['parameters']['ip']['key'] version = self.config['parameters']['version'] - command = f'ip link set dev {ifname} type erspan local {local_ip} remote {remote_ip} seq key {key} erspan_ver {version}' - + command = f'ip link set dev {ifname} type erspan local {source_address} remote {remote} seq key {key} erspan_ver {version}' + if int(version) == 1: idx=dict_search('parameters.erspan.idx',self.config) if idx: @@ -123,29 +122,29 @@ class ERSpanIf(_ERSpan): hwid=dict_search('parameters.erspan.hwid',self.config) if hwid: command += f' erspan_hwid {hwid}' - + ttl = dict_search('parameters.ip.ttl',self.config) if ttl: command += f' ttl {ttl}' tos = dict_search('parameters.ip.tos',self.config) if tos: command += f' tos {tos}' - + self._cmd(command) class ER6SpanIf(_ERSpan): """ ER6SpanIf: private base class for ERSPAN Over GRE and IPv6 tunnels """ - + def _create(self): ifname = self.config['ifname'] - local_ip = self.config['local_ip'] - remote_ip = self.config['remote_ip'] + source_address = self.config['source_address'] + remote = self.config['remote'] key = self.config['parameters']['ip']['key'] version = self.config['parameters']['version'] - command = f'ip link add dev {ifname} type ip6erspan local {local_ip} remote {remote_ip} seq key {key} erspan_ver {version}' - + command = f'ip link add dev {ifname} type ip6erspan local {source_address} remote {remote} seq key {key} erspan_ver {version}' + if int(version) == 1: idx=dict_search('parameters.erspan.idx',self.config) if idx: @@ -157,24 +156,24 @@ class ER6SpanIf(_ERSpan): hwid=dict_search('parameters.erspan.hwid',self.config) if hwid: command += f' erspan_hwid {hwid}' - + ttl = dict_search('parameters.ip.ttl',self.config) if ttl: command += f' ttl {ttl}' tos = dict_search('parameters.ip.tos',self.config) if tos: command += f' tos {tos}' - + self._cmd(command) - + def change_options(self): ifname = self.config['ifname'] - local_ip = self.config['local_ip'] - remote_ip = self.config['remote_ip'] + source_address = self.config['source_address'] + remote = self.config['remote'] key = self.config['parameters']['ip']['key'] version = self.config['parameters']['version'] - command = f'ip link set dev {ifname} type ip6erspan local {local_ip} remote {remote_ip} seq key {key} erspan_ver {version}' - + command = f'ip link set dev {ifname} type ip6erspan local {source_address} remote {remote} seq key {key} erspan_ver {version}' + if int(version) == 1: idx=dict_search('parameters.erspan.idx',self.config) if idx: @@ -186,5 +185,5 @@ class ER6SpanIf(_ERSpan): hwid=dict_search('parameters.erspan.hwid',self.config) if hwid: command += f' erspan_hwid {hwid}' - + self._cmd(command) |