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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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Add service zabbix-agent
set service zabbix-agent directory '/config/zabbix/'
set service zabbix-agent limits buffer-flush-interval '8'
set service zabbix-agent limits buffer-size '120'
set service zabbix-agent log debug-level 'warning'
set service zabbix-agent log size '1'
set service zabbix-agent server '192.0.2.5'
set service zabbix-agent server-active 192.0.2.5 port '10051'
set service zabbix-agent server-active 2001:db8::123
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This reverts commit 9f7b51370732606611253e2e6a16692bf706659b.
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There is a missing dependency iptables for netavark . Debian marked it as optional but should be a dependency. If not installed, container cannot be created with assigned network. The rolling release is built with package iptables so there is no bug. But if users build iso on their own, container will not work if container network is assigned.
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T1797: Add initial vpp configuration
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Add initial configuration mode for VPP (PoC)
set vpp cpu corelist-workers '2'
set vpp cpu main-core '1'
set vpp interface eth1 num-rx-desc '256'
set vpp interface eth1 num-rx-queues '512'
set vpp interface eth1 num-tx-desc '256'
set vpp interface eth1 num-tx-queues '512'
set vpp interface eth1 pci '0000:02:00.0'
set vpp interface eth1 rx-mode 'polling'
set vpp interface eth2 pci '0000:08:00.0'
Limitation:
- 'set vpp interface ethX pci auto' works only per first
commit, then interface detached from default stack and creates
tun interface 'ethX' to communicate with default stack. In this
case we can't get PCI address via ethtool for 'tun' interfaces.
But we can set pci address manualy.
- Interface sync between default stack and VPP-DPDK stack
After vpp change it doesn't trigger iproute2 for changes
(should be written later)
I.e. if we change something in vpp per each commit it restarts
vpp.service it gets empty interface config as we don't configure vpp
directly and it should be configured via iproute2
But then if we do any change on interface (for example description)
it gets IP address, MTU, state, etc.
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... this is a step towards a new and better implementation that will utilize
VPP.
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cloud-init: T5190: Added Cloud-init pre-configurator
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Added a new service that starts before Cloud-init, waits for all network
interfaces initialization, and if requested by config, checks which interfaces
can get configuration via DHCP server and creates a corresponding Cloud-init
network configuration.
This protects from two situations:
* when Cloud-init tries to get meta-data via eth0 (default and fallback variant
for any data source which depends on network), but the real network is connected
to another interface
* when Cloud-init starts simultaneously with udev and initializes the first
interface to get meta-data before it is renamed to eth0 by udev
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since it's required for match statements
and for op mode introspection
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With commit 0ea3e1420 ("container: T5082: switch to netavark network stack")
moving to a new network stack we should also enable the new DNS plugin provided
by default.
TODO: add CLI nodes to manually disable DNS and/or supply external DNS servers
to the container.
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We now support assigning discrete IPv6 addresses to a container.
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With FRR 8.5 there is exists file /etc/pam.d/frr
With this file by default we have cosmtetic error for any op-mode
command
$ show ip bgp
vtysh_pam: Failed in account validation: Success(0)No BGP prefixes displayed, 0 exist
Fix it
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Add sFlow feature based on hsflowd
According to user reviews, it works more stable and more productive
than pmacct
I haven't deleted 'pmacct' 'system flow-accounting sflow' yet
It could be migrated or deprecated later
set system sflow agent-address '192.0.2.14'
set system sflow interface 'eth0'
set system sflow interface 'eth1'
set system sflow polling '30'
set system sflow sampling-rate '100'
set system sflow server 192.0.2.1 port '6343'
set system sflow server 192.0.2.11 port '6343'
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This reverts commit 9ed4113d6c4809a0126d04c99d60eaa76a7b6b15.
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Fix podman error about invalid storage:
[graphdriver] prior storage driver overlay failed: 'overlay' is not supported
over overlayfs, a mount_program is required: backing file system is unsupported
for this graph driver" Error: 'overlay' is not supported over overlayfs, a
mount_program is required: backing file system is unsupported for this graph
driver.
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container
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DeprecationWarning: 'crypt' is deprecated and slated for removal in Python 3.13
DeprecationWarning: 'spwd' is deprecated and slated for removal in Python 3.13
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login: T4943: Fixed 2FA + RADIUS compatibility
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MFA requires KbdInteractiveAuthentication to ask a second factor, and the RADIUS
module for PAM does not like it, which makes them incompatible.
This commit:
* disables KbdInteractiveAuthentication
* changes order for PAM modules - make it first, before `pam_unix` or
`pam_radius_auth`
* enables the `forward_pass` option for `pam_google_authenticator` to accept
both password and MFA in a single input
As a result, local, RADIUS, and MFA work together.
Important change: MFA should be entered together with a password.
Before:
```
vyos login: <USERNAME>
Password: <PASSWORD>
Verification code: <MFA>
```
Now:
```
vyos login: <USERNAME>
Password & verification code: <PASSWORD><MFA>
```
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