Re: NetworkManager in anaconda, first series of changes

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

Sorry, disconsider my message, there is already support for this =/

On Tue, 2008-08-19 at 09:05 -0300, Arthur Rodrigo Sawazachi Valadares
wrote:
> 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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