[pve-devel] [PATCH V2 ifupdown2 0/2] ifupdown2 package
Alexandre DERUMIER
aderumier at odiso.com
Thu May 24 16:50:28 CEST 2018
>>I'll prepare packages for internal testing soon, then we should be
>>able to give more feedback :-)
Thanks wolfgang !
----- Mail original -----
De: "Wolfgang Bumiller" <w.bumiller at proxmox.com>
À: "aderumier" <aderumier at odiso.com>
Cc: "pve-devel" <pve-devel at pve.proxmox.com>
Envoyé: Jeudi 24 Mai 2018 15:30:47
Objet: Re: [pve-devel] [PATCH V2 ifupdown2 0/2] ifupdown2 package
On Wed, May 23, 2018 at 12:03:26PM +0200, Alexandre DERUMIER wrote:
> any comment ?
I'll prepare packages for internal testing soon, then we should be
able to give more feedback :-)
> ----- Mail original -----
> De: "Alexandre Derumier" <aderumier at odiso.com>
> À: "pve-devel" <pve-devel at pve.proxmox.com>
> Cc: "Alexandre Derumier" <aderumier at odiso.com>
> Envoyé: Jeudi 17 Mai 2018 12:25:08
> Objet: [PATCH V2 ifupdown2 0/2] ifupdown2 package
>
> Changelog v2:
> - use submodule for ifupdown2 src
> - split proxmox/extra patches
> - add description in 0004-add-dummy-mtu-bridgevlanport-modules.patch
> - add a note in this cover letter about systemd-networkd and ipv6 madness
>
> Hi,
>
> Theses last months, I'm working on vxlan implementation. (I'll send info in coming weeks)
>
> I have worked on classic ifupdown, but it's not super clean to implement,
> when we have complex configuration.
>
> ifupdown2 is currently well maintained by cumulus since 2014, and support all features from last kernels.
> (vxlan (unicast, multicast, frr, arp suppression, vrf, vlanaware bridge,
> vlan attributes on interfaces, ...)
> and compatible with classic ifupdown syntax.
>
>
> This package is based on cumulus branch
> https://github.com/CumulusNetworks/ifupdown2/tree/cl3u18
> as the master/debian branch is old and don't have all features
> (cumulus is planning to rebase it in coming months)
>
> For now, it could be great to simply propose ifupdown2 as alternative to proxmox users.
> and maybe in 1 or 2 years, if it's working great, make it default for proxmox6 ?
>
> Some advantages vs classic ifupdown:
>
> -we can reload configuration ! (ifreload -a, or systemctl reload networking).
> ifupdown2 maintain graphs dependencies between interfaces.
>
> (Note that as we don't define tap,veth interfaces in /etc/network/interfaces,
> they are not bridged anymore if you do ifdown/ifup vmbr0,
> but it don't remove them on ifreload vmbr0)
>
> -we can define ipv4/ipv6 in same interface
> (no need anymore iface inet6 static, iface inet static, or iface inet manual, but old iface inet syntax is still supported)
>
> auto eth0
> iface eth0
> address 192.168.0.1
> address 2001:db8::1:1/64
> address 2001:db8::2:2/64
>
> or multiple ip on loopback
>
> auto lo
> iface lo inet loopback
> address 10.3.3.3/32
> address 10:3:3::3/128
> -classic pre-up scripts still works (if users have custom config)
>
> - for ovs I just have needed to make a small workaround in ovs ifupdown script (see my ovs patch),
> and a small config change (replace allow-ovs by auto).
> Currently, I don't do in ifupdown2 post-install script
>
> -templating support: example: creating vxlan interfaces from vxlan30->vxlan100
>
> auto all
> %for v in range(30,100):
>
> auto vxlan${v}
> iface vxlan${v}
> vxlan-id ${v}
> vxlan-local-tunnelip 10.59.100.231
> bridge-learning off
> bridge-arp-nd-suppress on
> bridge-unicast-flood off
> bridge-multicast-flood off
> bridge-access ${v}
> %endfor
>
> some documentation here:
> https://support.cumulusnetworks.com/hc/en-us/articles/202933638-Comparing-ifupdown2-Commands-with-ifupdown-Commands
>
>
> About systemd-networkd:
> - Currently it can't reload configuration
> https://github.com/systemd/systemd/issues/6654
> - unicast vxlan it not supported
> https://github.com/systemd/systemd/issues/5145
> - I think we don't have to maintain a systemd package if we need to extend it
> - new features seem to take years to come
> - IPV6: systemd-networkd reimplement kernel features (ipv6 RA,...) with tons of bugs (some not yet fixed)
> http://ipv6-net.blogspot.fr/2016/11/ipv6-systemd-another-look.html
> http://ipv6-net.blogspot.fr/2016/04/systemd-oh-you-wanted-to-run-ipv6.html
> https://github.com/systemd/systemd/issues/8906
>
>
> Alexandre Derumier (2):
> add debian dir
> add ifupdown2 submodule
>
> .gitmodules | 3 +
> debian/changelog | 174 +++++++++++++++++++++
> debian/compat | 1 +
> debian/control | 31 ++++
> debian/copyright | 28 ++++
> ...0001-start-networking-add-usr-bin-in-PATH.patch | 28 ++++
> ...ns-scripts-fix-ENV-for-interfaces-options.patch | 29 ++++
> ...3-netlink-IFLA_BRPORT_ARP_SUPPRESS-use-32.patch | 31 ++++
> .../extra/0004-add-vxlan-physdev-support.patch | 159 +++++++++++++++++++
> debian/patches/pve/0001-config-tuning.patch | 52 ++++++
> .../pve/0002-manual-interfaces-set-link-up.patch | 58 +++++++
> ...e-tap-veth-fwpr-interfaces-from-bridge-on.patch | 27 ++++
> ...0004-add-dummy-mtu-bridgevlanport-modules.patch | 74 +++++++++
> debian/patches/series | 8 +
> debian/rules | 21 +++
> ifupdown2 | 1 +
> 16 files changed, 725 insertions(+)
> create mode 100644 .gitmodules
> create mode 100644 debian/changelog
> create mode 100644 debian/compat
> create mode 100644 debian/control
> create mode 100644 debian/copyright
> create mode 100644 debian/patches/extra/0001-start-networking-add-usr-bin-in-PATH.patch
> create mode 100644 debian/patches/extra/0002-addons-scripts-fix-ENV-for-interfaces-options.patch
> create mode 100644 debian/patches/extra/0003-netlink-IFLA_BRPORT_ARP_SUPPRESS-use-32.patch
> create mode 100644 debian/patches/extra/0004-add-vxlan-physdev-support.patch
> create mode 100644 debian/patches/pve/0001-config-tuning.patch
> create mode 100644 debian/patches/pve/0002-manual-interfaces-set-link-up.patch
> create mode 100644 debian/patches/pve/0003-don-t-remove-tap-veth-fwpr-interfaces-from-bridge-on.patch
> create mode 100644 debian/patches/pve/0004-add-dummy-mtu-bridgevlanport-modules.patch
> create mode 100644 debian/patches/series
> create mode 100755 debian/rules
> create mode 160000 ifupdown2
>
> --
> 2.11.0
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