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mpls-conf: T915: Refactored template, handler, added global features
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global features
So this is a big update.
The first thing that was done was a refactor to the FRR LDP template, MPLS handler, and XML conf tree MPLS global additions.
The refactors should work and I did test them in my lab. It seems that everything does work as needed so far in my testing.
There is something here that is considered configuration breaking from the old setup though. In the old setup the MPLS interface operation (as in the interfaces accepting MPLS labels and processing them) was tied with LDP. What this means is that MPLS processing was enabled at the same time as LDP interfaces were configured. We do not want this behavior for the future as there's other MPLS underlay technologies like SR and RSVP. If someone wants to enable SR or RSVP without enabling LDP then they now can. Before, they couldn't. The other additions are global changes to MPLS TTL propagation and MPLS max TTL enforcement. They have now been added.
Lastly, there is an frr-reload bug that Runar Borge found with this. We have found that when totally deleting LDP that there has to be 3 commits done. This is because frr-reload doesn't properly do what it needs to do in 1 operation so we had to do 3. This will only affect people that are doing an entire LDP clear using "delete protocols mpls ldp." Otherwise it isn't seen.
Anyway, this refactor now works with the FRR daemon directly for all changes. This also makes it much easier for adding stuff in the future.
Thank you
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The Jinja2 template contained a lot of redundant paths which only differed in
either the address-family or neighbor vs. peer-group. This paths have been
combined into for loops and a macro for generating a neighbor statement as
peer-groups and regular neighbors share ~95% of the config.
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By design a CLI node should not be named by its plural but rather describe it
as singular.
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policy-conf: T439: Add policy local-route PBR
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In the implementation of T3042, it will cause two problems:
1. Even if VLAN awareness is not enabled, the VLAN settings of the
vlan filter will be modified. When the bridge member has a WLAN interface,
the error is exposed, so repair it here. You should not modify the
related settings when the VLAN awareness mode is not enabled
2. Even if VLAN awareness is not enabled, the VLAN settings of the
vlan filter will be modified. When the bridge member has a WLAN interface,
due to special settings, the bridge mode cannot be entered and the settings
cannot be completed directly. Therefore, the WLAN interface should be rejected
Enter the bridge with VLAN awareness
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This reverts commit 806f35b5856c3f8dae634718a6a9e82cc90bb63a.
Unfortunately this did not work our in the attempt to bridge a station to a
bridge "brX" interface. Also adjusting the wireless interface during operation
cause several exceptions and the feature is removed again as it was never in any
production system.
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Daemon was only enabled/disabled before and not started/stopped. This has been
corrected to start the daemon and wait until startup before sending the
configuration profile.
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Python value
We should not use hardcoded Python values whenever possible. vyos.xml provides
an abstraction of the XML CLI definitions providing default values from the CLI
specified via the <defaultValue> node.
This increases consistency among all XML/Python wrappers.
Additional small fixes in this commit (besides the bad practice incorporating
unrelated changes into the same commit) contain:
- Keyboard layout shout be explicitly set for /dev/console
- Added missing Debian dependency on console-data
- When looking for a key in a dict, we do not need to specify dict.keys()
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system: T3038: Add keyboard layout CLI command
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* 't1316-frr-isis' of github.com:c-po/vyos-1x:
isis: T1316: refactor config retrieval and Jinja2 template
isis: T1316: October steps
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Make the entire template code more human readable by denesting it, as there can
only be one ISIS daemon instance in FRR.
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t1616-isis
* 'T1316_october' of https://github.com/sever-sever/vyos-1x:
isis: T1316: October steps
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We had two places were the is_ip, is_ipv4 and is_ipv6 helpers had been defined.
All places now have been converged into vyos.template as they are used both
in the Jinja2 templates and also in our scripts.
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Commit a1327d2b970 ("ssh: T2635: reuse common verify_vrf() function") already
moved to the common verify logic but did not remove the no longer needed import
statement.
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bgp-new: T2174: Fix abbility to del global route-map param
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bridge: T3042: Support VLAN filter and VLAN sub-interface on the bridge
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This commit has to do with the addition of miscellaneous MPLS parameters, as well as miscellaneous LDP parameters. Per c-po, for miscellaneous options and whatnot that do not fit anywhere we will put them into a specific "parameters" node.
I also did some global linux configuration changes here. We make changes to kernel options "net.mpls.ip_ttl_propagate" and "net.mpls.default_ttl" which should allow the behavior of VyOS to have the same as routers from the big vendors.
I added two LDP options for cisco interoperation TLV and for a dual stack preference.
Lastly, I went through and changes some of the help/description fields in the definitions page because I just felt they weren't uniform and the words seemed to not properly explain what they were doing. I also did some code clean up (or tried to...) with comments and whatnot.
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A non existing device usb0b1.4p1.?? device was not detected, as find_device_file()
returned None which can not be passed into os.path.exists().
Traceback (most recent call last):
File "/usr/libexec/vyos/conf_mode/interfaces-wirelessmodem.py", line 126, in <module>
verify(c)
File "/usr/libexec/vyos/conf_mode/interfaces-wirelessmodem.py", line 60, in verify
if dev_path is None or os.path.exists(find_device_file(dev_path)):
File "/usr/lib/python3.7/genericpath.py", line 19, in exists
os.stat(path)
TypeError: stat: path should be string, bytes, os.PathLike or integer, not NoneType
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The commit has to do with the addition of targeted LDP neighbors and parameters being added. FRR allows for this functionality and I just wanted to add it.
We have basically 4 options that are added. Enabling targeted LDP functionality, the targeted neighbor, the hello interval of targeted sessions, and the hold time of targeted sessions. Both IPv4 and IPv6 has been coded in.
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Add new CLI command "set system options performance <latency | throughput>"
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The commit has to do with the addition of session hold time parameter for LDP neighbors. This allows for being able to change said hold time on a static neighbor.
The way that this works is to have it either delegated to a value (15-65535), or to just be default to whatever FRR stipulates or per the other session configuration values.
I opted to remove the "-ipv4-" only because we know it's an IPv4 session that one has to create first. I figure it's redundant to add it there so I removed it.
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mpls-conf: T915: Add TTL security for static LDP neighbors
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The commit has to do with the addition of TTL security for LDP neighbors. The code was 90% done by Viascheslav. I modified it a little bit to get it to properly work.
We added more parameters to the neighbors dynamic loop. Once this is merged then we should be able to add more for the dynamic neighbor statements.
The way that this works is to have either TTL disabled, or to add the amount of hops accepted for the neighbor.
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This commit partially reverts commit eb1ed5e518 ("openvpn: T2994: re-add
ifconfig-pool statement in server config").
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* 'wifi-wpa3' of github.com:c-po/vyos-1x:
wireless: T3042: move wifi-regulatory-domain into individual interface definition
wireless: T2653: reset wireless priority to crux state
wireless: T3034: add WPA3 support
wireless: T3043: rename "wpa mode both" to "wpa+wpa2"
ifconfig: T2985: fix wireless-bridge creation
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definition
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mpls-conf: T915: Separate IPv4 and IPv6 hello timers, add IPv6 timers
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Re-organize the template code and add addtitional Jinja2 filters for processing
the ifconfig-pool statement. This reverts the changes from commit 7e546be9
("openvpn: T2994: temporary revert to 1.2 crux behavior for client pools").
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Remove workaround which split (local|remote)_address and also subnet keys into
individual keys for the assigned IP address family (4/6).
During template rendering check IP version by introducing new ipv4 and ipv6
Jinja2 filters {% if foo | ipv4 %} or {% if bar | ipv6 %} options.
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Renamed using snippet below:
----------------------------
for file in $(find . -name "*.py")
do
sed -i "s/vyos_dict_search/dict_search/" $file
done
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