[OmniOS-discuss] LX for OmniOS update

[Jim Klimov]

14 августа 2016 г. 18:48:36 CEST, Dan McDonald <danmcd at omniti.com> пишет:
>In general, and I will have to make this EVEN CLEARER -- LX zones'
>networking is controlled by tools in /native.  No iptables... I'm
>surprised the linux-native ifconfig(8) works, but that's likely due to
>some legacy ioctl support that's already in the LX brand kernel code.
>
>One open design question in LX for OmniOS is how to address the
>networking configuration problem?  I see two ways:
>
>1.) Adopt the Joyent way of having some networking parameters in
>zonecfg(1M) attributes and having zoneadmd or the boot scripts act on
>these.  The vmadm(1M) of SmartOS works like this once you get to where
>it meets existing illumos zone utilities.
>
>2.) Further modify the native networking tools to store their
>between-boots state in a place, for example, "/etc/native", that allows
>persistent actions of /native/ utilities like they'd behave for an
>illumos-native zone (ipkg, lipkg in OmniOS).  Right now, you can't
>ipadm(1M) an interface's address permanently on an LX zone because
>/etc/inet isn't around.
>
>I see pros & cons of both approaches.  I'm visiting OmniTI HQ in a week
>to, among other things, bounce ideas around with OmniTI folks - since
>they are also my customers.  Feel free to speak up here if you have
>opinions as well.
>
>Thanks,
>Dan
>
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Perhaps write the 'ip', 'ifup', 'ifdown' tools with CLI API that systemd and the rest of modern linux startup expects, and backed by illumos native syscalls? And put these earlier in PATH and/or lofs-mount over linux binaries they override (so scripts calling e.g. /sbin/ifup still get illumos-lx ifup).

Short of doing real netlink, this should satisfy many lx guests imported from real systems 'as is'.

Jim
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