ISO/archiso/hooks/archiso_pxe_nfs
Gerardo Exequiel Pozzi 76dea1654e [archiso] Add PXE NFS support
It add support for using *.sfs images via NFS.

It must be located after archiso_pxe_nbd in mkinitcpio.conf, in that way
NBD is the default.

New boot parameters:

    archiso_nfs_srv=IP:/path
         Set the NFS IP and path. Accepts ${pxeserver} as IP.

    archiso_nfs_opt= Sets NFS mount opts (comma separated)
                    Defaults to:
                      port            = as given by server portmap daemon
                      rsize           = 1024
                      wsize           = 1024
                      timeo           = 7
                      retrans         = 3
                      acregmin        = 3
                      acregmax        = 60
                      acdirmin        = 30
                      acdirmax        = 60
                      flags           = hard, nointr, noposix, cto, ac

:: Running Hook [archiso_pxe_common]
IP-Config: eth0 hardware address 52:54:00:12:34:57 mtu 1500
IP-Config: eth0 guessed broadcast address 192.168.0.255
IP-Config: eth0 guessed nameserver address 192.168.0.218
IP-Config: eth0 complete (from 192.168.0.218):
 address: 192.168.0.90     broadcast: 192.168.0.255    netmask: 255.255.255.0
 gateway: 192.168.0.218    dns0     : 192.168.0.218    dns1   : 0.0.0.0
 rootserver: 192.168.0.218 rootpath:
 filename  :
:: Running Hook [archiso_pxe_nbd]
:: Running Hook [archiso_pxe_curl]
:: Running Hook [archiso_pxe_nfs]
:: Mounting '192.168.0.77:/mnt/iso'

...
192.168.0.77:/mnt/iso/ on /run/archiso/bootmnt type nfs (rw,relatime,vers=3,rsize=524288,wsize=524288,namlen=255,hard,nolock,proto=tcp,port=65535,timeo=7,retrans=3,sec=sys,local_lock=all,addr=192.168.0.77)
...

My /etc/exports
/mnt/iso 192.168.0.90(ro,no_subtree_check,no_root_squash)
2011-11-28 12:28:03 -03:00

27 lines
831 B
Bash

# vim: set ft=sh:
run_hook() {
if [[ -n "${ip}" && -n "${archiso_nfs_srv}" ]]; then
archiso_nfs_srv=$(eval echo ${archiso_nfs_srv})
[[ -n "${archiso_nfs_opt}" ]] && archiso_nfs_opt="-o ${archiso_nfs_opt}"
mount_handler="archiso_nfs_mount_handler"
fi
}
archiso_nfs_mount_handler() {
newroot="${1}"
mkdir -p "/run/archiso/bootmnt"
msg ":: Mounting '${archiso_nfs_srv}'"
# Do not put "${archiso_nfs_opt}" nfsmount fails!
if ! nfsmount ${archiso_nfs_opt} "${archiso_nfs_srv}" "/run/archiso/bootmnt"; then
echo "ERROR: Mounting '${archiso_nfs_srv}'"
echo " Falling back to interactive prompt"
echo " You can try to fix the problem manually, log out when you are finished"
launch_interactive_shell
fi
archiso_mount_handler ${newroot}
}