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ConfigTreeQuery()
When VyOS is booting and an interface is brought up (PPPoE) which requires a
user callback script that is executed asynchronously when the interface is up
we can not use Config(). The problem is, Config() is not available when
the system starts and the initial commit is still processed.
We need to move to ConfigTreeQuery() which was build for this exact same
purpose. TO reduce side effects and also dependencies on the entire
vyos.configdict library the set_level()/get_level() calls got eliminated
from within the library. All calls to functions like:
* get_removed_vlans()
* is_node_changed()
* leaf_node_changed()
* is_mirror_intf()
* ...
Now require that the full config path to the node is passed.
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Ability to attach host devices to the container
It can be disk, USB device or any device from the directory /dev
set container name alp01 device disk source '/dev/vdb1'
set container name alp01 device disk destination '/dev/mydisk'
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The bug was partially fixed with this commit:
https://github.com/vyos/vyos-1x/commit/358f0b481d8620cad4954e3fe418054b9a8c3ecd
The earlier commit introduced a startup retry (up to 10 times) to allow the OS
to settle before the container is started. However, it only applies if
host networking is NOT used. This change applies the same for containers
where host networking is employed.
Since the retry portion of the code (written in the earlier commit) is now
referenced twice, it has been moved to its own function.
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As it takes time for the OS to settle while booting up the first time a
container is started after image upgrade it will fail big time. To prevent this
we try to start the container up to 10 times before we generate a hard error.
This makes error-free image upgrade possible again when using containers.
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Mandatory FRR options for spf-delay-ietf did not get rendered in the Jinja2
template.
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After commit 209ce3d9 ("container: T3769: when container networks are used,
always bridge the networks") IP masquerading (NAT) was disabled. No need to
keep the haipin flag.
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As VyOS is a network operation system with bridging and NATing available from
the VyOS CLI, it makes no sense to let podman do it's own sort of "NAT".
If one really want's to NAT into a container, use the VyOS CLI to do so. If you
wan't to bridge your networks, use the VyOS CLI to do so.
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Volumes must have both a source and destination path specified. Also the
source path must exist on the current system.
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A call to .items() was missing that triggered the following error:
ValueError: too many values to unpack (expected 2)
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As VyOS CLI is the only truth for dealing with containers we do not need to
query if a container is running, exists or what so ever. We simply always
restart it if something changes and do not rely on the underlaying Linux
status.
If a users does container stuff under the hood - it will be overridden.
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A container is limited to 256MB memory by default and will always restart on
failure.
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A environment variable MUST always have a value specified. Non existing
values will cause the following error:
Traceback (most recent call last):
File "/usr/libexec/vyos/conf_mode/containers.py", line 269, in <module>
apply(c)
File "/usr/libexec/vyos/conf_mode/containers.py", line 224, in apply
env_opt += " -e ".join(f"{k}={v['value']}" for k, v in container_config['environment'].items())
File "/usr/libexec/vyos/conf_mode/containers.py", line 224, in <genexpr>
env_opt += " -e ".join(f"{k}={v['value']}" for k, v in container_config['environment'].items())
KeyError: 'value'
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Fix for containers and newtorks names with hyphen in names.
We shouldn't mangle tagNode values.
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This commit is a cleanup and refinement of the container hosting implementation.
- Renamed CLI node ipv4-prefix -> prefix so both IPv4 and IPv6 prefix can be
supplied in the future. This is currently limited to IPv4 only as when using
IPv6 networks in combination with IPv4 the IPv4 prefix is altered randomly
- De-nested if clauses
- Use "for foo, bar in baz.items()" to more easily iterate of dictionary
values, this means "bar" can be used to access "baz[foo]"
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