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When a VTI interface is just created, it is in ADMIN UP state by default, even
if an IPSec peer is not connected. After the peer is disconnected the interface
goes to DOWN state as expected.
This breaks routing logic - for example, static routes through VTI interfaces
will be active even if a peer is not connected.
This changes to logic so ADMIN UP/DOWN state can only be changed by the
vti-up-down helper script.
Error was introduced during the Perl -> Python migration and move to the generic
vyos.ifconfig abstraction during the 1.4 development cycle.
(cherry picked from commit 9eb018c4935235d292d7c693ac15da5761be064a)
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* T5195: move run, cmd, call, rc_cmd helper to vyos.utils.process
* T5195: use read_file and write_file implementation from vyos.utils.file
Changed code automatically using:
find . -type f -not -path '*/\.*' -exec sed -i 's/^from vyos.util import read_file$/from vyos.utils.file import read_file/g' {} +
find . -type f -not -path '*/\.*' -exec sed -i 's/^from vyos.util import write_file$/from vyos.utils.file import write_file/g' {} +
* T5195: move chmod* helpers to vyos.utils.permission
* T5195: use colon_separated_to_dict from vyos.utils.dict
* T5195: move is_systemd_service_* to vyos.utils.process
* T5195: fix boot issues with missing imports
* T5195: move dict_search_* helpers to vyos.utils.dict
* T5195: move network helpers to vyos.utils.network
* T5195: move commit_* helpers to vyos.utils.commit
* T5195: move user I/O helpers to vyos.utils.io
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Interface should receive an auto generated link-local IPv6 address as we do
with all VyOS interfaces by default.
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The key defaults to 0 and will match any policies which similarly do not have
a lookup key configuration. This means that a vti0 named interface will pull in
all traffic and others will stop working. Thus we simply shift the key by one
to also support a vti0 interface.
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XFRM interfaces are similar to VTI devices in their basic functionality but
offer several advantages:
* No tunnel endpoint addresses have to be configured on the interfaces.
Compared to VTIs, which are layer 3 tunnel devices with mandatory endpoints,
this resolves issues with wildcard addresses (only one VTI with wildcard
endpoints is supported), avoids a 1:1 mapping between SAs and interfaces, and
easily allows SAs with multiple peers to share the same interface.
* Because there are no endpoint addresses, IPv4 and IPv6 SAs are supported on
the same interface (VTI devices only support one address family).
* IPsec modes other than tunnel are supported (VTI devices only support
tunnel mode).
* No awkward configuration via GRE keys and XFRM marks. Instead, a new identifier
(XFRM interface ID) links policies and SAs with XFRM interfaces.
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Interface.get_config() was always a pure helper which exposed a "per interface
type" dictionary which was then fed by the caller to create interfaces by
iproute2 which required additional options during creation time.
Such interfaces had been:
* tunnel
* vxlan
* geneve
* macsec
* wifi
* macvlan / pseudo-ethernet
The code was always duplicated to convert from the VyOS CLI based get_config_dict()
to a dict which can be used to feed iproute2.
This path has been removed and we now always feed in the entire dictionary
retrieved by get_config_dict() or in the interfaces case, it's high-level wrapper
get_interface_dict() to the interface we wan't to create.
This also adds the - personally long awaited - possibility to get rid of the
derived tunnel classes for e.g. GRE, IPIP, IPIP6 and so on.
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Instead of using an Adapter pattern to make interfaces VLAN-aware, create a
derived class named VLANIf to represent a VLAN. This change was necessary to
eliminate mixed code in Interfaces class which was VLAN - free, but recently
gained some VLAN specific code for set_admin_state().
In addition this "autoresolves" the issue in T2894 as a bond vlan interface
will no longer change the lower interface.
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also add a function to Section which provides a list of reserved names
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