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path: root/cloudinit/net/netplan.py
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2021-12-15Adopt Black and isort (SC-700) (#1157)James Falcon
Applied Black and isort, fixed any linting issues, updated tox.ini and CI.
2021-07-01Add new network activators to bring up interfaces (#919)James Falcon
Currently _bring_up_interfaces() is a no-op for any distro using renderers. We need to be able to support bringing up a single interfaces, a list of interfaces, and all interfaces. This should be independent of the renderers, as the network config is often generated independent of the mechanism used to apply it. Additionally, I included a refactor to remove "_supported_write_network_config". We had a confusing call chain of apply_network_config->_write_network_config->_supported_write_network_config. The last two have been combined.
2020-06-08Move subp into its own module. (#416)Scott Moser
This was painful, but it finishes a TODO from cloudinit/subp.py. It moves the following from util to subp: ProcessExecutionError subp which target_path I moved subp_blob_in_tempfile into cc_chef, which is its only caller. That saved us from having to deal with it using write_file and temp_utils from subp (which does not import any cloudinit things now). It is arguable that 'target_path' could be moved to a 'path_utils' or something, but in order to use it from subp and also from utils, we had to get it out of utils.
2020-01-08net: fix rendering of 'static6' in network config (#77)Ryan Harper
* net: fix rendering of 'static6' in network config A V1 static6 network typo was misrendered in eni, it's not valid. It was ignored in sysconfig and netplan. This branch fixes eni, updates sysconfig, netplan to render it correctly and adds unittests for all cases. Reported-by: Raphaƫl Enrici LP: #1850988 * net: add comment about static6 type in subnet_is_ipv6 Co-authored-by: Chad Smith <blackboxsw@gmail.com> Co-authored-by: Daniel Watkins <daniel@daniel-watkins.co.uk>
2019-11-20net: IPv6, accept_ra, slaac, stateless (#51)Harald
Router advertisements are required for the default route to be set up, thus accept_ra should be enabled for dhcpv6-stateful. sysconf: IPV6_FORCE_ACCEPT_RA controls accept_ra sysctl. eni: mode static and mode dhcp 'accept_ra' controls sysctl. Add 'accept-ra: true|false' parameter to config v1 and v2. When True: accept_ra is set to '1'. When False: accept_ra is set to '0'. When not defined in config the value is left to the operating system default. This change also extend the IPv6 support to distinguish between slaac and dhcpv6-stateless. SLAAC is autoconfig without any options from DHCP, while stateless auto-configures the address and the uses DHCP for other options. LP: #1806014 LP: #1808647
2019-10-24net/netplan: use ipv6-mtu key for specifying ipv6 mtu valuesRyan Harper
netplan introduced an 'info' subcommand which emits yaml describing implemented features that indicate new or changed fields and values in the yaml that it accepts. Previously, cloud-init emitted the key 'mtu6' for ipv6 MTU values. This is not correct and netplan will fail to parse these values. Netplan as of 0.98 supports both the info subcommand and the ipv6-mtu key. This branch modifies the netplan renderer to collect the netplan info output into a 'features' property which is a list of available feature flags which the renderer can use to modify its output. If the command is not available, no feature flags are set and cloud-init will render IPv6 MTU values just as MTU for the subnet.
2019-10-24Fix usages of yaml, and move yaml_dump to safeyaml.dumps.Scott Moser
Here we replace uses of the pyyaml module directly with functions provided by cloudinit.safeyaml. Also, change/move cloudinit.util.yaml_dumps to cloudinit.safeyaml.dumps LP: #1849640
2019-02-07netplan: Don't render yaml aliases when dumping netplanRyan Harper
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
2018-12-11net: render 'metric' values in per-subnet routesRyan Harper
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
2018-09-05sysconfig: refactor sysconfig to accept distro specific templates pathsRyan Harper
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.
2018-08-06netplan: Correctly render macaddress on a bonds and bridges when provided.Scott Moser
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
2018-06-12netplan: fix mtu if provided by network config for all rendered typesChad Smith
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
2018-03-22Handle global dns entries in netplanRyan Harper
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
2018-03-16netplan: render bridge port-priority valuesRyan Harper
Update netplan renderer to write out bridge port-priority values now that netplan supports the feature. LP: #1735821
2017-10-05network: bridge_stp value not always correctRyan Harper
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
2017-08-15network: add v2 passthrough and fix parsing v2 config with bonds/bridge paramsRyan Harper
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
2017-07-19tests: fixes for issues uncovered when moving to python 3.6.Scott Moser
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
2017-06-08net: normalize data in network_state objectScott Moser
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'.
2017-05-26net: fix reading and rendering addresses in cidr format.Dimitri John Ledkov
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
2017-05-25nplan: For bonds, allow dashed or underscore names of keys.Dimitri John Ledkov
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
2017-05-19netplan: pass macaddress, when specified, for vlansDimitri John Ledkov
When vlan mac address is specified in config, render it for netplan and for ENI. LP: #1690388
2017-05-17netplan: fix netplan render_network_state signature.Dimitri John Ledkov
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
2017-03-30net: in netplan renderer delete known image-builtin content.Scott Moser
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
2017-03-30netplan: remove debugging prints, add debug loggingRyan Harper
Remove debugging print statements. Change a few to use logging.debug() where useful.
2017-03-20cloudinit.net: add network config v2 parsing and renderingRyan Harper
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