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The original implementation supported a strictly numeric mapping scheme
(e.g. nic1, nic2) that could misbehave if an active NIC was not listed in the
user's mapping file. This change fixes the misbehavior, and enhances the
feature by not requiring NIC aliases follow the numeric mapping scheme. This
allows the user to choose meaningful names for the NIC aliases.
NIC mapping now happens in two steps:
1) Process any user supplied mappings
- NIC alias does not need to follow the numeric "nicN" scheme
- Existing validation rules apply: mappings for inactive NICs are ignored
(but logged), and duplicate mappings are rejected
2) Generate default mappings as needed
- Only applies to active NICs that aren't already mapped
- Follows the numeric scheme (nic1, nic2) using the NIC number based on
the list of active NICs
- No default mapping is assigned if another NIC is already using that
numeric alias
Change-Id: I6943623a51702349f6a7dcf2de8a8429078a3ab0
Closes-Bug: 1612723
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These changes are to generate /etc/sysconf/network-scripts/ifcfg-* and
/etc/sysconfig/nfvswitch configuration files for nfvswitch and its interfaces.
NFVSwitch is a virtual switch implementation based on DPDK for datacenter
workloads with very high throughput needs.
Change-Id: If02edb9c4c54c014f67290fe0c34e2fc73cb95bd
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This change adds support for Linux adapter teams using teamd to
manage the bonds instead of the kernel bonding module. Adapter
teams using teamd can act like bonds, but also support additional
features and possibly more robust fault tolerance.
This implementation is fairly straightforward, in order to maintain
backward compatibility with templates made for Linux bonds. The only
difference in the syntax between the two is type: team instead of
type: linux_bond, and the bonding_options format is different.
The configuration files for teams should contain the team options
as a JSON string. The options that can be used are documented in
the teamd.conf(5) man page.
If an interface is marked as primary, the priority will be changed
from default 0 to 100, making this interface the preferred one. In
addition, the MAC address of the Team and all member interfaces will
be set to that of the primary interface. At this time, there is no
way to set the priority of link members individually, only the
interface marked primary will have a non-default priority.
This change has been tested on bare metal and worked for a team
with two bonded interfaces using LACP. The team was part of an
OVS bridge, and there was a VLAN interface on the team. Everything
worked as expected. Unit tests are included and passing.
Change-Id: If1d516ce8f9ada76375c3a52c5557d3f7348981a
Implements: blueprint os-net-config-teaming
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This patch adds support for Infiniband interfaces. The only difference
between Inifiniband and regular interfaces at this time is that an
interface with type "ib_interface" will have "TYPE=Infiniband" added
to the ifcfg file.
However, the Infiniband interface is implemented as a full new class,
so in the future we can add script functions or additional config
options to the Infiniband interface config if needed.
Unit tests for both the object and the ifcfg implementation are
included. This patch does not include an implementation for systems
that use /etc/network/interfaces (Debian-based systems).
Note that this change has not yet been tested on bare metal with
Infiniband hardware.
Fixes bug: https://bugzilla.redhat.com/show_bug.cgi?id=1326616
Change-Id: Iaeaca9cd71e2cea6147951d49aecc7458be4ca0b
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OVS patch ports are used to connect two OVS bridges so traffic can flow
between them. This is generally useful for various cases.
Specifically it could be used to connect the bridges created by TripleO
networking configurations (br-ex, etc) to the bridge created by the
multinode networking setup in infra's nodepool (br_pub). This allows the
nodes in a multinode deployment to have connectivity across private
subnets where such traffic is typically firewalled off in public clouds.
Change-Id: I11404106cb3f53734f6fc9a35c22f905a0770245
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Adds support for configuring OVS Tunnels via os-net-config. Tunnels are
configured as members of ovs_bridge's where the type is set to
ovs_tunnel. The object also supports setting OVS extra and options so
that additional tunnel data can be defined, such as remote_ip.
Change-Id: I31ac1cbe8a13247a1529c0f99a0aea5807888844
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When there are no active nics, strange errors can happen later
in the process of applying the configuration, and it's often not
obvious what caused them. Logging a warning should make it
easier to track down such problems.
Note that this should never happen legitimately in a TripleO
environment since we always need to have at least one active nic
to even get configuration to the system. However, it is a valid
case for someone who might be applying a configuration with local
access to a system, so it should be handled sanely. It's also
helpful in case of future bugs in the active nic checking.
Change-Id: Iaf6d4b1b215b70d61e0857e093a834702829e1b9
Related-Bug: 1569403
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PEERDNS=no ensures resolv.conf is not modified by ifup/ifdown when
restarting an interface.
Closes-bug: #1567004
Change-Id: Idec15d4c1630638ce8362f9d95ae3c09bcae86a3
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Bumps the version of hacking to match that in global-requirements.txt.
Change-Id: I7bb98dc773ce821b025d534f537f1a1704a50f9e
Closes-bug: #1566463
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When configuring a linux bond with interfaces we have a bug
(due to a missing unit test) where the interfaces weren't
being configured with MASTER=<bond_name> SLAVE=yes. This
patch adds a unit test to check for the required configuration
and cleans up the logic in impl_ifcfg.py to handle it correctly
by simply checking for the linux_bond_name property which
is already set for us via objects.py.
See also: https://bugzilla.redhat.com/show_bug.cgi?id=1323717
Change-Id: Ic632c52265dcbbe6c0ace782e633a2030ad25e6f
Closes-bug: 1566428
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The current order of operations of bringing up interfaces starts
with the bridges, and restarts the members of the bridges. This
works well when an OVS bond is part of an OVS bridge, but does not
work well when Linux bonding is used with no bridges (such as in
the case of the Nuage plugin, which creates the bridges outside of
the ifcfg files).
This change will ensure that Linux bonds are brought up first, then
any bridges are brought up, interfaces are brought up next, and the
VLAN interfacs are brought up last. This corrects a race condition
where any VLAN which was brought up before the bond would not be
active, and the VLAN would have to be brought up by hand.
This change also fixes a logging issue where os-net-config would
report that no changes were necessary when changes were made. Now,
the logging messages indicating that "No changes were necessary"
show up when no changes are required, instead of when changes are
actually made.
Change-Id: I1efee3dfd8e8cef01b054bb57a3085cc7eb60372
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This change adds the ability to write IPv6 routes to the system
NIC configuration. In the ifcfg provider, IPv6 routes must be
written to network-scripts/route6-<interface> rather than
route-interface. This patch checks the next hop, and if it is an
IPv6 address (assumed because of the presence of ":"), then the
route will be written to route6-<interface>. This patch includes
tests to confirm proper operation.
Change-Id: I3563800c774a6082a896c7508f5a92e25418fe63
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This change cleans up some of the Linux Bond and Linux Bridge logic
that processes member interfaces and VLANs.
One bug is fixed, where a VLAN might be assigned as a slave
interface on a bond.
Changes were made so that if VLANs are placed under a Linux Bond,
the PHYSDEV is set to the bond, so the device: does not need to
be specified in the config.
This change ensures that if a bridge has a bond and VLANs as members,
that the VLAN will be a member of the bridge and not the bond.
Change-Id: Id329737f0032e781b111741086ded83f378297a7
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This change generates /etc/sysconf/network-scripts/ifcfg-* for ivs.
It also generates /etc/sysconf/ivs configuration file for ivs.
It supports only RedHat at this point.
Indigo Virtual Switch (IVS, https://github.com/floodlight/ivs)
is a virtual switch for Linux. It is compatible with the KVM
hypervisor and leveraging the Open vSwitch kernel module for
packet forwarding. There are three major differences between
IVS and OVS:
1. Each node can have at most one ivs, name is not required.
2. Bond is not allowed to attach to an ivs. It is the SDN
controller's job to dynamically form bonds on ivs.
3. IP address can only be statically assigned.
Change-Id: I276d736794d123405de793c2a4eb2c1ee55a0fad
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There are times when it is desirable to set the MTU of an
"interface" to 1500 -- when the external network and the storage
network are different VLANs on the same physical interface, for
example.
Change-Id: Ic5ea6ad05118fd57c26c898a460c19969de4109d
Closes-Bug: #1539821
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The usage of assertEqual(True/False, ***) should be changed
to a meaningful format of assertTrue/False(***).
Change-Id: Ic15b6ebff7f050c1d516d9d680f362609803da4c
Closes-Bug:#1512207
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Add the VLAN=yes parameter if the interface name is in the foo.123 format.
This is the behavior and Debian allow the same os-net-config configuration
file to be consistent with Red Hat systems.
See also: https://bugzilla.redhat.com/show_bug.cgi?id=1283812
Change-Id: Iab2a4861e2231b34899c379963abbef59cf73328
Closes-Bug: #1518449
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This way device eth10 is after eth9, and not directly after eth1
Change-Id: I81eba97cccf6c4f314f9037d16ee1f244dbade02
Closes-Bug: #1482818
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This patch adds support for Linux Bridges to os-net-config. This is
done completely with ifcfg files, brctl is not used directly.
Hierarchy is preserved, so a Linux Bridge may have a Linux Bond
as a member, which in turn may have multiple interfaces as members.
This changeset has been updated to include a more specific example
for Linux bridge configuration (that doesn't combine bridging and
bonding).
This change depends on the change to add support for Linux Bonds.
Change-Id: I1ddacd514b02af30139a868071d82cde19b1f946
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This change adds support for Linux Bonding to the impl_ifcfg
in os-net-config. This change adds support for configuring Linux
Bonds using the Bonding module rather than Open vSwitch. Most of
the options for Linux Bonds are the same as OVS, with the exception
of bonding_options instead of ovs_options.
Change-Id: If8c6de1554234277843de9fac58536dd5b0a941b
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Adds in the ability to optionally configure DNS
server settings via the ifcfg file formats.
The dns_servers JSON is an array which currently
supports either 1 or 2 DNS servers (per limitations
of the ifcfg format).
Change-Id: I9edecfdd4e1d0f39883b72be554cd92c5685881d
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Currently only the first IPv4/v6 address is assigned to a NIC
even if multiple addresses are specified in config file.
With this change, eni implementation can configure multiple
IPv4/v6 addresses for a NIC.
Also this fixes IPv6 netmask format, which currently causes
an error on ifup.
Change-Id: I0a38d376bece8af297bddede594962fd3a193d09
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Currently only the first IPv4/v6 address is assigned to a NIC
even if multiple addresses are specified in config file.
With this change, ifcfg implementation can configure multiple
IPv4/v6 addresses for a NIC.
Also this enables os-net-config to configure IPv6 netmasks.
Change-Id: I31b39abae36e0620dbbcb1001fa51f5ca2bd9ea2
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This patch fixes an issue in the ifcfg provider implementation
that caused interfaces to be started twice. This can
cause failures if the interface uses DHCP and dhclient
was already running.
The child_members function was incorrectly adding the interface
name to the child members set on key error. This patch removes
that logic and simply ignores key errors.
Change-Id: Ibe0e32bc09979bc68b92a722b2bfa383e77502a9
Closes-bug: #1485634
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This patch adds a new --detailed-exit-codes option which can
be used to optionally enable the os-net-config CLI to return
exit code 2 if there have been modifications. Detailed
exit codes are useful if you need to trigger subsequent
external actions based whether os-net-config made changes or not.
Change-Id: I8f22fa15335d1276f4e444a6454a24ff486e1495
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Change-Id: Ice1b8d17804cf7a0aafd308945a5e960fe927bbc
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This patch adds an optional flag that can be used to
pass in args for dhclient when using DHCP.
This use case for this is to be able to control which
DHCP options dhclient listens for and we can thus
disable specific options (like routing) for some
network configurations.
Change-Id: Ic21de0615ea0ef304843c55cc5abe43cb1771169
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This change selects an interface to be the active slave in a bond
with active/passive characteristics. If one of the interfaces is
marked as primary, it will be the active slave. If none of the
interfaces are marked, the interface with the lowest alphanumeric
value will be chosen. For instance em2 comes before em3.
Co-Authored-By: Dan Prince <dprince@redhat.com>
Change-Id: Ic9b4e8c68b788b98a19ea33a76c9210a80deabeb
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This change sets one of the member interfaces of a bond as the primary
interface, which results in that interface being the active slave.
This change adds a step to the apply method in impl_ifcfg which runs
'ovs-appctl bond/set-active-slave <bond> <iface>' after bringing up
the bond interfaces. This step ensures that the bonds work correctly
without LACP switch support. If a member interface on the bond is set
as primary, that interface will be used.
Co-Authored-By: Dan Prince <dprince@redhat.com>
Change-Id: I795bb3b8ef977f9276bfec062b197c473393942e
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Updates the ifcfg provider so that we don't set
the OVSDHCPINTERFACES config setting if
the interface is private. This doesn't seem to cause
any functional issues but it is not required
and can be confusing.
Change-Id: I9d51905df87969ae1b221680e8f0b5befc7b6bfe
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When using the ifcfg provider vlans on bridges (or bonds)
fail to startup correctly. This is because VLANs on an OVS
bridge are configured as internal ports and these should not
have the VLAN=yes or PHYSDEV ifcfg settings specified.
Change-Id: Ieb743eda8f0a25cdaca43bdea767af26bf504f15
Closes-bug: #1453904
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In order to allow os-net-config to coexist with NetworkManager, this
patch adds NM_CONTROLLED=no to the top of each interface configuration.
This ensures that NetworkManager will not mess with interfaces that are
configured by os-net-config.
Change-Id: I9d226e032eb1cb411b6ea617936f4425c7fd2c74
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When multiple interfaces are configured with DHCP, and more than
one interface receives a gateway from the DHCP server(s), the
resulting default gateway on the system is unpredictable. This
change adds the "defroute" boolean to the configuration syntax
for os-net-config. Any interface type may be marked so that the
gateway received from the DHCP server will not be eligible as a
default gateway for the system. This only works for ifcfg files,
/etc/network/interfaces lacks an equivalent option.
Change-Id: Id775f3506b2ec60c9a2833efd49fb8319151c00d
Closes-Bug: 1449288
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End users may not realize these files are autogenerated
and may be surprised if they make changes to the
/etc/sysconfig/network-scripts files which are then
overwritten on reboot.
Change-Id: I526c228463bd10de2cf3724aa4159b63a9aeff80
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Allows you to only install the config, but not take interfaces
down/up. Useful if you wish to defer activation of a new config
until a later time (e.g reboot).
Change-Id: I42f3195e1d3d5d3b9d1c9dbb1f7cf1364503cbd3
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Purge references to modules which have been deprecated by various oslo
libraries.
Requires changes to use oslo.utils and oslo.concurrency, which are
added to the requirements, syncing with the latest in global requirements
so we can also move to the un-namespaced oslo package names.
Change-Id: Idacb71b7871330e3b3fabf4a926a5b8987614c4d
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This adds the option to permanently rewrite the configuration so the
aliases are used instead of the system name. This is useful where
you have a variety of hardware and you want to have consistent device
naming accross all platforms - this allows you to essentially rename
the interfaces permanently so they match the abstracted nicN names.
Note, this needs to be run with --cleanup or the old (now conflicting)
configs will still be in place, and it may require a reboot before
the changes are fully applied.
Change-Id: I5af146e764b72c4beaa41c549fabff0af8802152
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Alan Bishop
Sarath Kumar
Dan Sneddon
James Slagle
Jenkins
Ben Nemec
Giulio Fidente
Dan Prince
xinwu
Ian Pilcher
Swapnil Kulkarni (coolsvap)
Gonéri Le Bouder
bdemers
Tomoki Sekiyama
Frederic Lepied
Steven Hardy