Re: NetworkManager in anaconda, first series of changes

[Arthur Rodrigo Sawazachi Valadares <arthursv linux vnet ibm com>]

Hi,

Are there any initiatives to allow entering a domain in anaconda's
static configuration method? (to allow you to enter 'machine' instead of
'machine.domain.com' for example)

Thank You,

Arthur V.

On Mon, 2008-08-18 at 17:07 -1000, David Cantrell wrote:
> Here is the first patch to bring NetworkManager in to anaconda.  The  
> goals
> during this patch:
> 
> * Make minimal changes to the current code.
> * Bring NetworkManager in and use it starting in stage 1.
> * Do not make changes to the NetworkManager related packages as they are
>    in Fedora, just use them as is and pull in whatever we need.
> * Be able to perform IPv4 installs over HTTP and NFS.
> 
> In an effort to ease patch-reading pain, I have split the patches up  
> in to
> some sort of logical groupings:
> 
>      0001-misc.patch
>          Changes to anaconda.spec and command-stubs
> 
>      0002-scripts.patch
>          Changes to upd-instroot and mk-images*
> 
>      0003-loader.patch
>          Mostly changes to net.c at the moment, but other
>          files have some changes.
> 
>      0004-isys.patch
>          Changes to isys.  iface.c has most of it.  The
>          wireless bits are gone.  And I am still working
>          on isys.c.
> 
> What you are going to find in these patches:
> 
> 1) Lots of changes to upd-instroot and mk-images.  NetworkManager  
> means we
>     also bring in dbus, hal, PolicyKit, functions, network-functions,  
> and
>     other support programs called by those programs or scripts.   
> dhclient
>     is in there, along with dhclient-script (which uses bash), and  
> dhcp6c.
>     It's a truckload of stuff.
> 
> 1a) Had to bring in /usr/lib/gconv because NM converts dhcp options to
>      Unicode.  After talking with Dan Williams (dcbw, NM upstream), NM  
> has
>      been modified to not perform that conversion.  When the new  
> version of
>      NM shows up in rawhide, I can dump /usr/lib/gconv.
> 
> 3) A new function called writeDisabledNetInfo() which writes out ifcfg
>     files for every found interface so we disable them by default.
> 
> 4) The new iface.c stuff in isys.  This code starts NetworkManager and
>     introduces a new type called iface_t.  This is meant to replace all
>     uses of networkDeviceConfig and pumpNetIntf and all of the other
>     various structs that hold net info.  Yes, there are a lot of flags
>     and copies of data right now, but cleanup is later.  The rest of the
>     iface code is to provide a single API inside anaconda to get  
> information
>     about an interface (or set information).  I expect the iface_t  
> struct
>     to get smaller, as well as flags in loaderData to disappear.
> 
> 5) No more pump or libdhcp.
> 
> 
> What works (or, what I've tested locally):
> 
> * IPv4 network installs over HTTP (and I guess FTP)
> * IPv4 network installs over NFS
> 
> I've tested using DHCP and static configuration method.  NetworkManager
> currently lacks complete support for IPv6, but that's on my to do list.
> 
> I want to make sure kickstart isn't completely busted either.
> 
> 
> What is obviously not working correctly yet (read: I already know  
> about it):
> 
> * Network configuration information is not carried over to stage 2 yet.
>    When you are at the post-config step for the network interfaces, it  
> won't
>    reflect the current state.
> 
> * Any wireless installs.  The get_connection() function in loader2/net.c
>    provides a loop to attach this kind of stuff.  When NM wants more  
> info,
>    we can prompt here and continue to wait for it to bring up the link.
> 
> * IPv6 installs.  NetworkManager is currently not quite there yet, but
>    that's ok because neither are Fedora users in general.  I am  
> working on
>    NM to bring IPv6 support in to it, at least for Fedora.
> 
> 
> What I'm doing next:
> 
> * Fix bugs.
> * Start removing deprecated code.  In particular, STEP_NETWORK,  
> STEP_IFACE,
>    and STEP_IP need reworking.  In net.c, all of the functions can be
>    simplified.
> * Removal of network parameters in loaderData.
> * Communicate more with NetworkManager over D-Bus.
> * Add code that can prompt for required parameters as needed when NM  
> asks
>    for them (e.g., wireless settings or passwords).  This will require  
> the
>    D-Bus communication bits to be in place.  This step will bring us  
> wireless
>    WPA and WEP installs, for example.
> * More patches to NetworkManager to support IPv6.
> 
> 
> Comments welcome.  Would like to commit this ASAP.
> 
> -- 
> David Cantrell <dcantrell redhat com>
> Red Hat / Honolulu, HI
> 
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