#!/bin/sh
set -e -f ${DRY_RUN:+-n} -u
tool=${0%/*}
-. "$tool"/lib/functions.sh
+. "$tool"/lib/rule.sh
. "$tool"/etc/vm.sh
-rule_help () {
+rule_help () { # SYNTAX: [--hidden]
+ local hidden; [ ${1:+set} ] || hidden=set
cat >&2 <<-EOF
- DESCRIPTION: ce script regroupe des fonctions utilitaires
- pour gérer la VM _depuis_ son hôte ;
- il sert à la fois d'outil et de documentation.
- Voir \`$tool/vm_hosted' pour les utilitaires côté VM hébergée.
+ DESCRIPTION:
+ ce script regroupe des règles pour administrer la VM ($vm_fqdn)
+ _depuis_ son hôte ($vm_host) ;
+ il sert à la fois d'outil (aisément bidouillable)
+ et de documentation (préçise).
+ Voir \`$tool/vm_hosted' pour les règles côté VM hébergée.
SYNTAX: $0 \$RULE \${RULE}_SYNTAX
RULES:
- $(sed -ne 's/^rule_\([^_][^ ]*\) () {\( *#.*\|\)/\t\1\2/p' "$tool"/vm.sh "$0")
+ $(sed -ne "s/^rule_\(${hidden:+[^_]}[^ ]*\) () {\( *#.*\|\)/ \1\2/p" "$tool"/etc/vm.sh "$0")
ENVIRONMENT:
TRACE # affiche les commandes avant leur exécution
- $(sed -ne 's/^readonly \([^ ][^ =]*\).*}\( *#.*\|\)$/\t$\1\2/p' "$tool"/vm.sh "$0")
+ $(sed -ne 's/^readonly \([^ ][^ =]*\).*}\( *#.*\|\)$/\t$\1\2/p' "$tool"/etc/vm.sh "$0")
EOF
}
readonly vm_dev_disk=/dev/mapper/domU-$(printf %s "$vm_fqdn-disk" | sed -e 's/-/--/g')
readonly vm_dev_disk_boot="${vm_dev_disk}1"
+rule_git_config () {
+ (
+ cd "$tool"
+ git config --replace branch.master.remote .
+ git config --replace branch.master.merge refs/remotes/master
+ )
+ }
rule_git_reset () {
(
cd "$tool"
- #git checkout -f -B master origin
+ #git checkout -f -B master remotes/master
# NOTE: pas de -B sous squeeze
git checkout HEAD'^' &&
- git branch -f master origin &&
+ git branch -f master remotes/master &&
git checkout master
git clean -f -d -x
)
}
-rule_vm_init () {
- mk_reg mod=644 own=root:root /etc/xen/$vm_fqdn.cfg <<-EOF
+rule_vm_configure () {
+ sudo install -m 644 -u root -g root /dev/stdin /etc/xen/$vm_fqdn.cfg <<-EOF
# -*- mode: python; -*-
# DOC: http://wiki.xen.org/wiki/Xen_Linux_PV_on_HVM_drivers
import os, re
rule_vm_start () {
test ! -e /dev/domU/$vm_fqdn-disk1
sudo xm create $vm_fqdn.cfg
- rule_vm_attach
+ rule vm_attach
}
rule_vm_attach () {
- cat <<-EOF
- NOTE: Ctrl-] pour se détacher de la console
- EOF
+ assert '! pgrep -f "sudo xm console $vm_fqdn"'
+ info 'Ctrl-] pour se détacher de la console'
sudo xm console $vm_fqdn
}
rule_vm_stop () {
#sudo xm block-attach 0 phy:/dev/domU/$vm_fqdn-disk $vm_dev_disk w
}
rule_disk_umount () { # DESCRIPTION: démontage du disque de la VM depuis l'hôte
- rule_part_boot_umount
+ rule part_boot_umount
case $vm_use_lvm in
(yes)
- rule_part_lvm_umount
+ rule part_lvm_umount
;;
(no)
- rule_part_root_umount
- rule_part_var_umount
- rule_part_home_umount
+ rule part_root_umount
+ rule part_var_umount
+ rule part_home_umount
;;
(*) exit 1;;
esac
}
rule_part_lvm_format () {
- rule_part_lvm_umount
+ rule part_lvm_umount
! sudo vgs | grep -q "^ $vm_lvm_vg " ||
sudo vgremove $vm_lvm_vg
sudo pvcreate --dataalignment 512k $vm_lvm_pv
sudo lvcreate --contiguous y -n ${vm_lvm_lv}_root -L 15G $vm_lvm_vg
sudo lvcreate --contiguous y -n ${vm_lvm_lv}_var -L 5G $vm_lvm_vg
sudo lvcreate --contiguous y -n ${vm_lvm_lv}_home -l 99%FREE $vm_lvm_vg
- rule_part_lvm_umount
+ rule part_lvm_umount
}
rule_part_lvm_mount () {
case $vm_use_lvm in
rule_part_lvm_umount () {
case $vm_use_lvm in
(yes)
- rule_part_root_umount
- rule_part_var_umount
- rule_part_home_umount
+ rule part_root_umount
+ rule part_var_umount
+ rule part_home_umount
! sudo vgs | grep -q "^ $vm_lvm_vg " ||
sudo vgchange -a n $vm_lvm_vg
;;
}
rule_part_randomize () { # SYNTAX: $part # NOTE: à anticiper
- local part=$1
+ local part="$1"
eval "sudo dd if=/dev/urandom of=\$vm_dev_disk_$part"
}
-rule_part_randomize_stat () { # SYNTAX: $part # DESCRIPTION: fait afficher la progression de rule_part_clean
- local part=$1
+rule_part_randomize_stat () { # SYNTAX: $part # DESCRIPTION: fait afficher la progression de rule_part_randomize
+ local part="$1"
eval "pkill -USR1 -f \"^dd if=/dev/urandom of=\$vm_dev_disk_$part\""
}
rule__part_encrypted_format () { # SYNTAX: $part # DESCRIPTION: formatage d'une partition distincte de /
# NOTE: la clef de chiffrement est dérivée de celle de /,
# / doit être déchiffrée pour que cela fonctionne.
- local part=$1
- eval "local dev=\$vm_dev_disk_$part"
+ local part="$1"
+ eval "local dev=\"\$vm_dev_disk_$part\""
test ! -e /dev/mapper/${vm_lvm_lv}_root_deciphered ||
sudo /bin/sh -c "/lib/cryptsetup/scripts/decrypt_derived ${vm_lvm_lv}_root_deciphered |
cryptsetup luksFormat --hash=sha512 --key-size=512 \
--cipher=aes-xts-essiv:sha256 --key-file=- --align-payload=8 $dev"
}
rule__part_encrypted_mount () { # SYNTAX: $part
- local part=$1
- eval "local dev=\$vm_dev_disk_$part"
+ local part="$1"
+ eval "local dev=\"\$vm_dev_disk_$part\""
test -e /dev/mapper/${vm_lvm_lv}_${part}_deciphered ||
sudo /bin/sh -c "/lib/cryptsetup/scripts/decrypt_derived ${vm_lvm_lv}_root_deciphered |
cryptsetup luksOpen --key-file=- $dev ${vm_lvm_lv}_${part}_deciphered"
}
rule__part_encrypted_umount () { # SYNTAX: $part
- local part=$1
- eval "local dev=\$vm_dev_disk_$part"
+ local part="$1"
+ eval "local dev=\"\$vm_dev_disk_$part\""
test ! -e /dev/mapper/${vm_lvm_lv}_${part}_deciphered ||
sudo cryptsetup luksClose ${vm_lvm_lv}_${part}_deciphered
}
! test -e /dev/mapper/${vm_lvm_lv}_root_deciphered ||
sudo cryptsetup luksClose ${vm_lvm_lv}_root_deciphered
}
-rule_part_root_backup_luks () {
- sudo cryptsetup luksHeaderBackup $vm_dev_disk_root --header-backup-file ./root.luks
- }
rule_part_swap_format () {
- rule__part_encrypted_format swap
- rule__part_encrypted_mount swap
+ rule _part_encrypted_format swap
+ rule _part_encrypted_mount swap
sudo mkswap -f -L ${vm_lvm_lv}_swap \
/dev/mapper/${vm_lvm_lv}_swap_deciphered
- rule__part_encrypted_umount swap
+ rule _part_encrypted_umount swap
}
rule_part_boot_format () {
mount | grep -q "^$vm_dev_disk_boot " ||
sudo umount -v /mnt/$vm_fqdn/boot
}
rule_part_var_format () {
- rule__part_encrypted_format var
- rule__part_encrypted_mount var
+ rule _part_encrypted_format var
+ rule _part_encrypted_mount var
sudo mke2fs -t ext4 -c -c -m 5 -T ext4 -b $vm_e2fs_block_size \
-E resize=10G${vm_e2fs_extended_options} \
-L ${vm_lvm_lv}_var \
/dev/mapper/${vm_lvm_lv}_var_deciphered
- rule__part_encrypted_umount var
+ rule _part_encrypted_umount var
}
rule_part_var_mount () {
- rule__part_encrypted_mount var
+ rule _part_encrypted_mount var
mountpoint -q /mnt/$vm_fqdn/var ||
sudo mount -v -t ext4 /dev/mapper/${vm_lvm_lv}_var_deciphered /mnt/$vm_fqdn/var
}
rule_part_var_umount () {
! mountpoint -q /mnt/$vm_fqdn/var ||
sudo umount -v /mnt/$vm_fqdn/var
- rule__part_encrypted_umount var
+ rule _part_encrypted_umount var
}
rule_part_home_format () {
- rule__part_encrypted_format home
- rule__part_encrypted_mount home
+ rule _part_encrypted_format home
+ rule _part_encrypted_mount home
sudo mke2fs -t ext4 -c -c -m 0 -T ext4 -b $vm_e2fs_block_size \
-E resize=400G${vm_e2fs_extended_options} \
-L ${vm_lvm_lv}_home \
/dev/mapper/${vm_lvm_lv}_home_deciphered
# NOTE: -O quota pas supporté par e2fsprogs/squeeze
- rule__part_encrypted_umount home
+ rule _part_encrypted_umount home
}
rule_part_home_mount () {
- rule__part_encrypted_mount home
+ rule _part_encrypted_mount home
mountpoint -q /mnt/$vm_fqdn/home ||
sudo mount -v -t ext4 /dev/mapper/${vm_lvm_lv}_home_deciphered /mnt/$vm_fqdn/home
}
rule_part_home_umount () {
! mountpoint -q /mnt/$vm_fqdn/home ||
sudo umount -v /mnt/$vm_fqdn/home
- rule__part_encrypted_umount home
+ rule _part_encrypted_umount home
}
rule_debian_install () {
- rule_disk_mount
- rule_part_lvm_mount
- rule_part_root_mount
- rule_part_boot_mount
- rule_part_var_mount
+ rule disk_mount
+ rule part_lvm_mount
+ rule part_root_mount
+ rule part_boot_mount
+ rule part_var_mount
sudo DEBOOTSTRAP_DIR=/usr/share/debootstrap/ LANG=C LC_CTYPE=C debootstrap \
--arch=$vm_arch --verbose --keyring=/usr/share/keyrings/debian-archive-keyring.gpg \
--exclude=vim-tiny \
) \
$vm_lsb_name /mnt/$vm_fqdn/ \
http://ftp.fr.debian.org/debian/
- rule_part_var_umount
- rule_part_boot_umount
- rule_part_root_umount
+ rule part_var_umount
+ rule part_boot_umount
+ rule part_root_umount
}
rule_chroot () {
- rule_disk_mount
- rule_part_lvm_mount
- rule_part_root_mount
- rule_part_boot_mount
- rule_part_var_mount
+ rule disk_mount
+ rule part_lvm_mount
+ rule part_root_mount
+ rule part_boot_mount
+ rule part_var_mount
#rule_part_home_mount
mountpoint -q /mnt/$vm_fqdn/proc ||
sudo mount -t proc proc /mnt/$vm_fqdn/proc
rsync -a "$tool"/ /mnt/$vm_fqdn/root/tool/vm
fi
sudo chroot /mnt/$vm_fqdn /bin/bash || true
- rule__chroot_clean
+ rule _chroot_clean
}
rule__chroot_clean () {
! sudo mountpoint -q /mnt/$vm_fqdn/root/tool/vm ||
sudo umount -v /mnt/$vm_fqdn/sys
! mountpoint -q /mnt/$vm_fqdn/proc ||
sudo umount -v /mnt/$vm_fqdn/proc
- rule_part_home_umount
- rule_part_var_umount
- rule_part_boot_umount
- rule_part_root_umount
- rule_disk_umount
+ rule part_home_umount
+ rule part_var_umount
+ rule part_boot_umount
+ rule part_root_umount
+ rule disk_umount
}
rule=${1:-help}
case $rule in
(help);;
(*)
- test "$(hostname --fqdn)" = "$vm_host"
- ${TRACE:+set -x}
+ assert 'test "$(hostname --fqdn)" = "$vm_host"' vm_host
;;
esac
-rule_$rule "$@"
+rule $rule "$@"