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Cloud-init rendered netplan with duplicate aliases if a network config
included "global" nameserver/search values. Netplan uses can read yaml
files which do use aliaes but cloud-init did not render a single yaml
dictionary, instead it combined yaml sections into a single document
which sometimes resulted in duplicate aliases being present.
This branch introduces a yaml SafeDumper class which can set the
'ignore_aliases' attribute. This is not enabled by default but callers
to util.yaml_dumps can pass a boolean to toggle this. The netplan
render uses noalias=True and the resulting yaml output does not contain
any aliases.
LP: #1815051
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It is possible to have a metric value in a per-subnet route.
This is currently missing in all renderers. Update each
renderer to emit the correct metric value from the config.
LP: #1805871
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Multiple distros use sysconfig format but have different content
and paths to certain files. Update distros to specify these
template paths in their renderer_configs dictionary.
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When converting network config v1 to netplan, we were not correctly
rendering the 'macaddress' key on a bond. Not that the difference
in spelling between v1 'mac_address' and v2 'macaddress' is intentional.
Also fixed here is rendering of the macaddress for bridges.
LP: #1784699
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When network configuration for any interface defines maximum transmission
values (MTU) the netplan, eni and sysconfig renders will take into account
any device-level, or subnet-level mtu values.
When network configuration has conflicting device-level and ipv4 subnet
mtu values, the subnet-specific value is honored and a warning will be
logged about any ignored device-level setting.
LP: #1774666
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In network config v1 format, there are dns values which are not bound to a
specific interface and do not map to the per-interface format in netplan.
To handle this case we render netplan configuration that duplicates the
DNS configuration on any interface that has a static network config. We
avoiding interfaces which have DHCP configuration which may provide
conflicting DNS values.
LP: #1750884
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Update netplan renderer to write out bridge port-priority values
now that netplan supports the feature.
LP: #1735821
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Update network_state to store the bridge_stp value as a boolean.
The various renderers then can map the boolean value to the correct
output as needed; eni uses 'on/off', sysconfig uses 'yes/no' and
netplan will use the boolean directly.
Update unittest values for sysconfig and netplan. Both contained the
network_state string value which resulted in not correctly enable/disable
STP in the target system.
Update network_state comment (fd -> forward-delay, add stp as boolean) on
bridge commands to match the expected format of a netplan bridge command.
LP: #1721157
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If the network-config sent to cloud-init is in version: 2 format then
when rendering netplan, we can pass the content through and avoid
consuming network_state elements. This removes the need for trying to
map many v2 features onto network state where other renderers won't be
able to use anyhow (for example match parameters for multi-interface
configuration and wifi configuration support).
Additionally ensure we retain bond/bridge v2 configuration in network
state so when rendering to eni or sysconfig we don't lose the configuration
- Drop the NotImplemented wifi exception, log a warning that it works for
netplan only
- Adjust unittests to new code path and output
- Fix issue with v2 macaddress values getting dropped
- Add unittests for consuming/validating v2 configurations
LP: #1709180
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This includes a few fixes found when testing with python 3.6.
- fix eni renderer when target is None
This just uses the util.target_path() in the event that target is None.
- change test cases to not rely on the cached result of
util.get_cmdline() and other cached globals. Update the base TestCase
to unset that cache.
- mock calls to system_is_snappy from the create_users test cases.
- drop unused _pp_root in test_simple_run.py
LP: #1703697
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The network_state object's network and route keys would have different
information depending upon how the network_state object was populated.
This change cleans that up. Now:
* address will always contain an IP address.
* prefix will always include an integer value that is the
network_prefix for the address.
* netmask will be present only if the address is ipv4, and its
value will always correlate to the 'prefix'.
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Input (specifically OpenStack) that had:
"ip_address" : "104.130.20.155",
"netmask" : "255.255.255.0"
Was being rendered to netplan as '104.130.20.155/255.255.255.0'.
That is now fixed to '104.130.20.155/24'
Also fixed is reading of a route that had a network prefix integer
in the 'netmask' rather than a netmask.
LP: #1689346
LP: #1684349
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As some of the bond paramemters are passed in as dashed, or
underscored, depending on the input source.
Also correct transmit-hash-policy netplan target key.
LP: #1690480
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When vlan mac address is specified in config, render it for
netplan and for ENI.
LP: #1690388
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tools/net-convert fails to output netplan config, because the
positional arguments of render_network_state are the wrong way around
for that function w.r.t. other renders.
Fix the netplan renderer to have the correct signature.
LP: #1685944
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When rendering network configuration to netplan, remove known
"builtin" configurations. The specific example here is Ubuntu Core
that has netplan configuration in etc/netplan/00-snapd-config.yaml.
We also delete the derived files since netplan will have created
these derived files in its generator that runs well before cloud-init.
LP: #1675576
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Remove debugging print statements. Change a few to use
logging.debug() where useful.
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Network configuration version 2 format is implemented in a package
called netplan (nplan)[1] which allows consolidated network config
for multiple network controllers.
- Add a new netplan renderer
- Update default policy, placing eni and sysconfig first
This requires explicit policy to enable netplan over eni
on systems which have both (Yakkety, Zesty, UC16)
- Allow any network state (parsed from any format cloud-init supports) to
render to v2 if system supports netplan.
- Move eni's _subnet_is_ipv6 to common code for use by other renderers
- Make sysconfig renderer always emit /etc/syconfig/network configuration
- Update cloud-init.service systemd unit to also wait on
systemd-networkd-wait-online.service
1. https://lists.ubuntu.com/archives/ubuntu-devel/2016-July/039464.html
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