Commit 76dea165 authored by Gerardo Exequiel Pozzi's avatar Gerardo Exequiel Pozzi
Browse files

[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)
parent 8eb4c624
......@@ -95,6 +95,26 @@ INDEX
Default: "75%"
** hooks/archiso_pxe_nfs
* archiso_nfs_srv= Set the NFS-IP:/path of the server
In the IP part if ${pxeserver} is used, PXE IP will be used.
Default: (unset)
* archiso_nfs_opt= Set NFS mount options separated by comma.
Default: (unset, see below)
These are the implicit options:
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
** hooks/archiso_loop_mnt
* img_label= Set the filesystem label where archiso-image.iso.
......@@ -142,6 +162,8 @@ if nothing is specified on command line.
+ nbd for nbd-client
* archiso_pxe_curl
+ curl for curl
* archiso_pxe_nfs
+ mkinitcpio-nfs-utils for nfsmount
* archiso_shutdown
+ (none)
......
......@@ -22,6 +22,8 @@ install-hooks:
install -D -m 644 install/archiso_pxe_nbd $(DESTDIR)/lib/initcpio/install/archiso_pxe_nbd
install -D -m 644 hooks/archiso_pxe_curl $(DESTDIR)/lib/initcpio/hooks/archiso_pxe_curl
install -D -m 644 install/archiso_pxe_curl $(DESTDIR)/lib/initcpio/install/archiso_pxe_curl
install -D -m 644 hooks/archiso_pxe_nfs $(DESTDIR)/lib/initcpio/hooks/archiso_pxe_nfs
install -D -m 644 install/archiso_pxe_nfs $(DESTDIR)/lib/initcpio/install/archiso_pxe_nfs
install -D -m 644 hooks/archiso_loop_mnt $(DESTDIR)/lib/initcpio/hooks/archiso_loop_mnt
install -D -m 644 install/archiso_loop_mnt $(DESTDIR)/lib/initcpio/install/archiso_loop_mnt
......@@ -49,6 +51,8 @@ uninstall:
rm -f $(DESTDIR)/lib/initcpio/install/archiso_pxe_nbd
rm -f $(DESTDIR)/lib/initcpio/hooks/archiso_pxe_curl
rm -f $(DESTDIR)/lib/initcpio/install/archiso_pxe_curl
rm -f $(DESTDIR)/lib/initcpio/hooks/archiso_pxe_nfs
rm -f $(DESTDIR)/lib/initcpio/install/archiso_pxe_nfs
rm -f $(DESTDIR)/lib/initcpio/hooks/archiso_loop_mnt
rm -f $(DESTDIR)/lib/initcpio/install/archiso_loop_mnt
rm -rf $(DESTDIR)/usr/share/archiso/
......
# vim: set ft=sh:
run_hook() {
if [[ -n "${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}
}
# vim: set ft=sh:
build() {
MODULES="nfs"
SCRIPT="archiso_pxe_nfs"
add_binary "/lib/initcpio/nfsmount" "/bin/nfsmount"
}
help() {
cat <<HELPEOF
This hook loads the necessary modules for boot via PXE and NFS.
HELPEOF
}
......@@ -28,7 +28,7 @@ make_packages() {
make_setup_mkinitcpio() {
if [[ ! -e ${work_dir}/build.${FUNCNAME} ]]; then
local _hook
for _hook in archiso archiso_shutdown archiso_pxe_common archiso_pxe_nbd archiso_pxe_curl archiso_loop_mnt; do
for _hook in archiso archiso_shutdown archiso_pxe_common archiso_pxe_nbd archiso_pxe_curl archiso_pxe_nfs archiso_loop_mnt; do
cp /lib/initcpio/hooks/${_hook} ${work_dir}/root-image/lib/initcpio/hooks
cp /lib/initcpio/install/${_hook} ${work_dir}/root-image/lib/initcpio/install
done
......
HOOKS="base udev memdisk archiso_shutdown archiso archiso_loop_mnt archiso_pxe_common archiso_pxe_nbd archiso_pxe_curl pata scsi sata virtio usb fw pcmcia filesystems usbinput"
HOOKS="base udev memdisk archiso_shutdown archiso archiso_loop_mnt archiso_pxe_common archiso_pxe_nbd archiso_pxe_curl archiso_pxe_nfs pata scsi sata virtio usb fw pcmcia filesystems usbinput"
COMPRESSION="xz"
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