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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.
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Always enable VRF strict_mode
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dhcpv6: T3771: Installation of routes for delegated prefixes, add excluded-prefix to PD
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Streamline configuration and operation of dns forwarding service in
following ways:
- Remove `dns_forwarding_reset.py` as its functionality is now covered
by `dns.py`
- Adjust function names in `dns.py` to disambiguate between DNS
forwarding and dynamic DNS
- Remove `dns_forwarding_restart.sh` as its functionality is inlined in
`dns-forwarding.xml`
- Templatize systemd override for `pdns-recursor.service` and move the
generated override files in /run. This ensures that the override files
are always generated afresh after boot
- Simplify the systemd override file by removing the redundant overrides
- Relocate configuration path for pdns-recursor to `/run/pdns-recursor`
and utilize the `RuntimeDirectory` default that pdns-recursor expects
- We do not need to use custom `--socket-dir` path anymore, the default
path (viz., `/run/pdns-recursor` is fine)
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T4856: Fix IPsec DHCP-client exit hook
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We should create dhclient base_path dir `/run/dhclient` during the
first boot.
It fixes cloud-init boot issues
```
/etc/dhcp/dhclient-exit-hooks.d/03-vyos-dhclient-hook: line 33: /run/dhclient/dhclient_eth0.lease: No such file or directory
```
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The script acually does not have the variable `secrets_lines` and
secret lines itself does not have the marker `# dhcp:{interface}`
in `to_find`
Needs to rewrite this script in the future if it is required
This commit fixes DHCP-client exit hook:
```
dhclient[6800]: NameError: name 'secrets_lines' is not defined
root[6801]: /etc/dhcp/dhclient-exit-hooks.d/99-ipsec-dhclient-hook returned non-zero exit status 1
```
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We have not seen the adoption of the https virtual-host CLI option.
What it did?
* Create multiple webservers each listening on a different IP/port
(but in the same VRF)
* All webservers shared one common document root
* All webservers shared the same SSL certificates
* All webservers could have had individual allow-client configurations
* API could be enabled for a particular virtual-host but was always enabled on
the default host
This configuration tried to provide a full webserver via the CLI but VyOS is a
router and the Webserver is there for an API or to serve files for a local-ui.
Changes
Remove support for virtual-hosts as it's an incomplete and thus mostly useless
"thing". Migrate all allow-client statements to one top-level allow statement.
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The "idea" of this PR is to add new CLI nodes under the pki subsystem to
activate ACME for any given certificate.
vyos@vyos# set pki certificate NAME acme
Possible completions:
+ domain-name Domain Name
email Email address to associate with certificate
listen-address Local IPv4 addresses to listen on
rsa-key-size Size of the RSA key (default: 2048)
url Remote URL (default:
https://acme-v02.api.letsencrypt.org/directory)
Users choose if the CLI based custom certificates are used
set pki certificate EXAMPLE acme certificate <base64>
or if it should be generated via ACME.
The ACME server URL defaults to LetsEncrypt but can be changed to their staging
API for testing to not get blacklisted.
set pki certificate EXAMPLE acme url https://acme-staging-v02.api.letsencrypt.org/directory
Certificate retrieval has a certbot --dry-run stage in verify() to see if it
can be generated.
After successful generation, the certificate is stored in under
/config/auth/letsencrypt. Once a certificate is referenced in the CLI (e.g. set
interfaces ethernet eth0 eapol certificate EXAMPLE) we call
vyos.config.get_config_dict() which will (if with_pki=True is set) blend in the
base64 encoded certificate into the JSON data structure normally used when
using a certificate set by the CLI.
Using this "design" does not need any change to any other code referencing the
PKI system, as the base64 encoded certificate is already there.
certbot renewal will call the PKI python script to trigger dependency updates.
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Signed-off-by: Date Huang <tjjh89017@hotmail.com>
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We will use _ as CLI level divider. The XML definition filename and also
the Python helper should match the CLI node.
Example:
set interfaces ethernet -> interfaces_ethernet.xml.in
set interfaces bond -> interfaces_bond.xml.in
set service dhcp-server -> service_dhcp-server-xml.in
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The Linux Kernel needs to be told if IPv6 SR enabled packets whether should be
processed or not. This is done using
/proc/sys/net/conf/<iface>/seg6_* variables:
seg6_enabled - BOOL
Accept or drop SR-enabled IPv6 packets on this interface.
Relevant packets are those with SRH present and DA = local.
0 - disabled (default)
not 0 - enabled
Or the VyOS CLI command:
* set protocols segment-routing interface eth0 srv6
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Enable/Disable VRF strict mode, when net.vrf.strict_mode=0 (default) it is
possible to associate multiple VRF devices to the same table. Conversely, when
net.vrf.strict_mode=1 a table can be associated to a single VRF device.
A VRF table can be used by the VyOS CLI only once (ensured by verify()), this
simply adds an additional Kernel safety net, but a requirement for IPv6 segment
routing headers.
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On VTI interface link down the link-local IPv6 address is removed. As soon as
the IPSec tunnel is online again, vti-up-down helper is called which only places
the interface in up state using iproute2 command
sudo ip link set vti0 up
This does not restore the IPv6 LL address. Instead use vyos.ifconfig to properly
re-initialize the VTI interface using the generic update() method.
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Why: Smoketests fail as they can not establish IPv6 connection to uvicorn
backend server.
https://github.com/vyos/vyos-1x/pull/2481 added a bunch of new smoketests.
While debugging those failing, it was uncovered, that uvicorn only listens on
IPv4 connections
vyos@vyos# netstat -tulnp | grep 8080
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 127.0.0.1:8080 0.0.0.0:* LISTEN -
As the CLI already has an option to move the API communication from an IP to a
UNIX domain socket, the best idea is to make this the default way of
communication, as we never directly talk to the API server but rather use the
NGINX reverse proxy.
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mtr: T5658: Add VRF support for mtr (+ op_mode wrapper)
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User hooks are executed using run_hookdir (defined in the /sbin/dhclient-script script) instead of run-parts. That allows user hooks to modify variables set by the dhcp client (e.g., the new_routers variable to avoid the installation of the default routes).
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Additionally, templatize system service override and move it to the
runtime path.
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Add custom systemd udev rules to exclude some regular and dynamic
interfaces from "systemd-sysctl" calls.
It fixes high CPU utilization (100%) as we have a lot of calls per
interface for dynamic interfaces like ppp|ipoe|sstp etc.
/lib/systemd/systemd-udevd should not be called for those interfaces
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T5489: Add sysctl TCP congestion control by default to BBR
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Add by default sysctl TCP congestion control to BBR.
Default value `cubic` is not optimal.
net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr
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By default we enable `--snmp` for keepalived unit service
Add ability to disable it
set high-availability vrrp disable-snmp
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There are two hooks called for bridge, ethernet and bond interfaces if the
link-state changes up -> down or down -> up.
The helpers are:
* /etc/netplug/linkdown.d/dhclient
* /etc/netplug/linkup.d/dhclient
As those helpers use Linux actions to start/restart the dhclient process in
Perl it's time to rewrite it. First goal is to get rid of all Perl code and the
second is that we now have a Proper Python library. Instead of checking if the
process is running the then restarting it without even systemd noticing
(yeah we might get two processes beeing alive) we should:
* Add a Python helper that can be used for both up and down (see man 8 netplugd
FILES section)
* Query the VyOS CLI config if the interface in question has DHCP(v6)
configured and is not disabled
* Add IPv6 DHCPv6 support
MAN page: https://linux.die.net/man/8/netplugd
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Module should be loaded/unloaded on demand.
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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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Use return instead of exit in 99-dhclient-exit-hook to allow subsequent unnumbered hooks to run (like rfc3442-classless-routes). Hooks are sourced, not executed.
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warning: ~ action is deprecated, consider using the 'stop' statement instead [v8.24.0 try http://www.rsyslog.com/e/2307 ]
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frr.service startup and shutdown is now explicitly managed by
vyos-router, so remove the systemd management directive.
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Templatize systemd override for ddclient service and move the generated
override files in /run. This ensures that the override files are always
generated afresh after boot.
Additionally, simplify the systemd override file by removing the
redundant/superfluous overrides.
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This is a radvd limitation.
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Allow syslog messages to be sent through a VRF (e.g. management).
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Debian's `debian/2%2.10-12` update of the hostap packaging added a
ConditionFileNotEmpty directive for `/etc/hostapd/<...>` paths, which
doesn't match the `/run/hostapd/<...>` paths that VyOS uses. This commit
updates the override file to use the proper VyOS paths.
https://salsa.debian.org/debian/wpa/-/commit/d204ceb5a2dc33db888eb55b5fee542a1005e69c
Signed-off-by: Andrew Gunnerson <accounts+github@chiller3.com>
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Rewritten opennhrp script using vyos.ipsec library
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Add numbers for all dhclient-exit-hooks.d to enforce script order execution
Also, move '99-run-user-hooks' to '98-run-user-hooks' due to
vyatta-dhclient-hook bug and exit with 'exit 1' it is
described in the https://vyos.dev/T4856, so we should move this hook
to the end. Rename 'vyatta-dhclient-hook' to '99-vyatta-dhclient-hook'
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Commit cb872efb ("frr: T5045: lift LimitNOFILE 1024 -> 4096") added both
LimitNOFILE and LimitNOFILESoft parameters for FRR, as "systemctl cat frr.service"
showed both versions.
During daemon startup systemd complains:
Unknown key name 'LimitNOFILESoft' in section 'Service', ignoring.
So the key got removed again.
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Also ExecReload is a duplicate of the base service file
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