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This change converts the IPv6 netmask from the network_data.json[1]
format to the CIDR style, <IPv6_addr>/<prefix>.
Using an IPv6 address like ffff:ffff:ffff:ffff:: does not work with
NetworkManager, nor networkscripts.
NetworkManager will ignore the route, logging:
ifcfg-rh: ignoring invalid route at \
"::/:: via fd00:fd00:fd00:2::fffe dev $DEV" \
(/etc/sysconfig/network-scripts/route6-$DEV:3): \
Argument for "::/::" is not ADDR/PREFIX format
Similarly if using networkscripts, ip route fail with error:
Error: inet6 prefix is expected rather than \
"fd00:fd00:fd00::/ffff:ffff:ffff:ffff::".
Also a bit of refactoring ...
cloudinit.net.sysconfig.Route.to_string:
* Move a couple of lines around to reduce repeated code.
* if "ADDRESS" not in key -> continute, so that the
code block following it can be de-indented.
cloudinit.net.network_state:
* Refactors the ipv4_mask_to_net_prefix, ipv6_mask_to_net_prefix
removes mask_to_net_prefix methods. Utilize ipaddress library to
do some of the heavy lifting.
LP: #1959148
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Applied Black and isort, fixed any linting issues, updated tox.ini
and CI.
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openEuler Homepage: https://www.openeuler.org/en/
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https://www.cloudlinux.com/
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Virtuozzo Linux is a distro based off of CentOS 8, similar to Alma Linux and Rocky Linux.
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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.
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Rocky Linux is a RHEL-compatible distribution so all changes that have
been made should be trivial.
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AlmaLinux OS is RHEL-compatible so all the changes needed are trivial.
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Update sysconfig configuration to use BONDING_MODULES_OPTS instead of
BONDING_OPTS when on a SUSE system. The sysconfig support requires use
of BONDING_MODULE_OPTS whereas the initscript support that rhel uses
requires BONDING_OPTS.
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IPV6_AUTOCONF needs to be set to 'no' on RHEL so NetworkManager can
properly acquire ipv6 address.
rhbz: #1859695
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
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BOOTPROTO needs to be set to 'dhcp' on RHEL so NetworkManager can
properly acquire ipv6 address.
rhbz: #1859695
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
Co-authored-by: Daniel Watkins <oddbloke@ubuntu.com>
Co-authored-by: Scott Moser <smoser@brickies.net>
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Add code so that specifying "wakeonlan: true" actually results in relevant
configuration entry appearing in /etc/network/interfaces, Netplan, and
sysconfig for RHEL and OpenSuse.
Add testcases for the above.
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The static and static6 subnet types for network_data.json were
being ignored by the Openstack handler, this would cause the code to
break and not function properly.
As of today, if a static6 configuration is chosen, the interface will
still eventually be available to receive router advertisements or be set
from NetworkManager to wait for them and cycle the interface in negative
case.
It is safe to assume that if the interface is manually configured to use
static ipv6 address, there's no need to wait for router advertisements.
This patch will set automatically IPV6_AUTOCONF and IPV6_FORCE_ACCEPT_RA
both to "no" in this case.
This patch fixes the specific behavior only for RHEL flavor and
sysconfig renderer. It also introduces new unit tests for the specific
case as well as adjusts some existent tests to be compatible with the
new options. This patch also addresses this problem by assigning the
appropriate subnet type for each case on the openstack handler.
rhbz: #1889635
rhbz: #1889635
Signed-off-by: Eduardo Otubo otubo@redhat.com
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Prior to this change, vlans were rendered in sysconfig with
'TYPE=Ethernet', and incorrectly rendered the PHYSDEV based on
the name of the vlan device rather than the 'link' provided
in the network config.
The change here fixes:
* rendering of TYPE=Ethernet for a vlan
* adds a warning if the configured device name is not supported
per the RHEL 7 docs "11.5. Naming Scheme for VLAN Interfaces"
LP: #1788915
LP: #1826608
RHBZ: #1861871
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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.
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- Introduce the "flavor" configuration option for the sysconfig renderer
this is necessary to account for differences in the handling of the
BOOTPROTO setting between distributions (lp#1858808)
+ Thanks to Petr Pavlu for the idea
- Network config clean up for sysconfig renderer
+ The introduction of the "flavor" renderer configuration allows us
to only write values that are pertinent for the given distro
- Set the DHCPv6 client mode on SUSE (lp#1800854)
Co-authored-by: Chad Smith <chad.smith@canonical.com>
LP: #1800854
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* 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: Raphaël 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>
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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
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Network v2 configuration for Azure will set both dhcp4 and
dhcp6 to False by default.
When IPv6 privateIpAddresses are present for an interface in Azure's
Instance Metadata Service (IMDS), set dhcp6: True and provide a
route-metric value that will match the corresponding dhcp4 route-metric.
The route-metric value will increase by 100 for each additional
interface present to ensure the primary interface has a route to IMDS.
Also fix dhcp route-metric rendering for eni and sysconfig distros.
LP: #1850308
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In addition to ifup/ifdown the sysconfig renderer looks for
evidence that the sysconfig directory is properly populated.
This secondary check only considered RedHat specific location.
Fix this by adding a SUSE specific file and returning True if
either RedHat or SUSE file is present.
LP: #1849378
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Commit e7b0e5f72 added support for configuring infiniband devices by
adding a new infiniband 'type'. This commit updates eni and sysconfig
renderers to consume this new type and configure infiniband devices
correctly.
LP: #1847114
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Openstack subnets can be configured to use SLAAC by setting
ipv6_address_mode=dhcpv6-stateless. When this is the case
the sysconfig interface configuration should use
IPV6_AUTOCONF=yes and not set DHCPV6C=yes.
This change sets the subnets type property to the full
network['type'] from openstack metadata.
cloudinit/net/sysconfig.py and cloudinit/net/eni.py
are updated to support new subnet types:
- 'ipv6_dhcpv6-stateless' => IPV6_AUTOCONF=yes
- 'ipv6_dhcpv6-stateful' => DHCPV6C=yes
Type 'dhcp6' in sysconfig is kept for backward compatibility
with any implementations that set subnet_type == 'dhcp6'.
LP: #1847517
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If an OS image provided an /etc/resolv.conf file that was not empty
cloud-init would read and re-write it with a cloud-init header even
if no DNS network configuration was provided (e.g. DHCP only).
This can cause problems for some network services which don't
ignore cloud-init's header.
LP: #1843634
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The sysconfig renderer used the distro name directly which mean
some variants of distros were not considered supported. Fix this
by using util.system_info()['variant'] instead. Fix the list of
KNOWN_DISTROS value for redhat -> rhel.
LP: #1843584
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Currently, only a few bonding parameters can be configured on
sysconfig systems. This patch aims to support more parameters
documented on the docs site.
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Restrict the sysconfig renderer availabily to known distros.
Ubuntu/Debian systems may include network-manager but they do
not have support for reading sysconfig network output; that is
enabled via a Network-Manager plugin: ifcfg-rh which is not
available in Ubuntu/Debian.
LP: #1819994
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For writing IPv6 addresses to ifcfg-* the name "IPV6ADDR" is used. For
secondary IPs the value for "IPV6ADDR_SECONDARIES" is set. On SUSE based
distributions the names "IPADDR6" and "IPADDR6_$SOMELABEL" need to be
used.
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When the network configuration has a default route configured and
another network device that is configured with dhcp, SUSE sysconfig
output should not accept the default route provided by the dhcp
server.
LP: #1812117
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ONBOOT is not recognized on openSUSE and SUSE Linux Enterprise,
add the STARTMODE setting
LP: #1799540
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Writing the file with no dns information may prevent distro tools
from writing a resolv.conf file with dns information obtained from
a dhcp server.
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The 'sysconfig' renderer is activated if, and only if, there's ifup and
ifdown commands present in its search dictonary or the network-scripts
configuration files are found. This patch adds a check for Network-
Manager configuration file as well.
This solution is based on the use of the plugin 'ifcfg-rh' present in
Network-Manager and is designed to support Fedora 29 or other
distributions that also replaced network-scripts by Network-Manager.
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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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OpenStack ironic references Infiniband interfaces via a 6 byte 'MAC
address' formed from bytes 13-15 and 18-20 of interface's hardware
address. This address is used as the ethernet_mac_address of Infiniband
links in network_data.json in configdrives generated by OpenStack nova.
We can use this address to map links in network_data.json to their
corresponding interface names.
When generating interface configuration files, we need to use the
interface's full hardware address as the HWADDR, rather than the 6 byte
MAC address provided by network_data.json.
This change allows IB interfaces to be referenced in this dual mode - by
MAC address and hardware address, depending on the context.
Support TYPE=InfiniBand for sysconfig configuration of IB interfaces.
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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 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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BOOTPROTO=dhcp in sysconfig enables DHCPv4 and we should not do this
implicitly when 'dhcp6' subnet is specified. In case both dhcpv4 and
dhcpv6 are needed users should specify both:
subnets:
- type: dhcp6
- type: dhcp
Fix the current code and add a dhcpv6 only test.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
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This enables warnings produced by pylint for unused variables (W0612),
and fixes the existing errors.
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Currently when dns and dns search info is provided, it is not rendered
when outputting to sysconfig format.
This patch causes the DNS and DOMAIN lines to be written out rendering
sysconfig.
LP: #1705804
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The sysconfig renderer duplicates the cloud-init header string
when rendering resolv.conf file. This leads to resolv.conf file
growing with every reboot of a system. Fix this by checking for
the header when loading content from existing file.
Update one of the sysconfig unittests with multiple render calls
to simulate the reboot to check that we don't repeat the header.
LP: #1701420
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The subnet type 'manual' was used as a way to declare a device
and set an MTU for it but not assign network addresses.
This updates the manual example config to handle that case and
provides expected rendered output for sysconfig, eni, and netplan.
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Previously, sysconfig rendered HWADDR for all interface types, but
that value is only used to identify physical devices. Instead use
MACADDR to configure the MAC on virtual devices, like bonds and
bridges.
- Sort bond slave list to ensure consistent ordering in sysconfig
rendered files.
- Add unittests for sysconfig rendering of bonds/bridges with
mac_address
LP: #1701417
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Render MTU values if present in subnet and route configurations
for v4 and v6.
LP: #1702513
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Implement manual control for sysconfig by using ONBOOT=N. This
allows an interface to be configured but not brought up.
Note that ONBOOT is per-interface not per address.
LP: #1687725
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Currently only the subnet is checked for 'ipv6' setting, however, the
routes array may include a mix of v4 or v6 configurations, in particular,
the gateway in a route may be ipv6, and if so, should export the value via
IPV6_DEFAULTGW in the ifcfg-XXXX file.
Additionally, if the route is v6, it should rendering a routes6-XXXX file;
this is present but missing the 'dev <interface>' scoping.
LP: #1694801
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Previously, virtual types (bond, bridge, vlan) were almost completely
broken. They would not get any network configuration (ip addresses or
dhcp config) and or routes rendered. This fixes those issues.
For bonds we now correctly render BONDING_SLAVE entries.
Also add tests for simple bond, bridge and vlan.
LP: #1695092
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With this change, entries in IPV6ADDR and IPV6ADDR_SECONDARIES will now
always be in format addr/prefix. When a subnet has a gateway will be
written. If the gateway is ipv6, use the key IPV6_DEFAULTGW rather than
GATEWAY.
LP: #1704872
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