#!/bin/sh
set -e -f ${DRY_RUN:+-n} -u
tool=${0%/*}
-. "$tool"/functions.sh
-. "$tool"/vm.sh
-test ! "$(hostname --fqdn)" = "$vm_fqdn"
-test ! "$(hostname --fqdn)" = "$vm_host"
+. "$tool"/lib/functions.sh
+. "$tool"/etc/vm.sh
-rule_help () {
+rule_help () { # SYNTAX: [--hidden]
+ local hidden; [ ${1:+set} ] || hidden=set
cat >&2 <<-EOF
- DESCRIPTION: ce script regroupe des fonctions utilitaires
- pour gérer la VM _depuis_ une machine distante ;
- il sert à la fois d'outil et de documentation.
- Voir \`$tool/vm_host' pour les utilitaires côté machine hôte.
- Voir \`$tool/vm_hosted' pour les utilitaires côté VM hébergée.
+ DESCRIPTION:
+ ce script regroupe des règles pour administrer la VM ($vm_fqdn)
+ _depuis_ une machine distante ;
+ il sert à la fois d'outil (aisément bidouillable)
+ et de documentation (préçise).
+ Voir \`$tool/vm_host' pour les règles côté machine hôte ($vm_host).
+ Voir \`$tool/vm_hosted' pour les règles côté VM hébergée ($vm_fqdn).
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 "$0")
EOF
}
-rule_git_config () {
+rule_git_config () { # DESCRIPTION: configure le .git local pour bien pousser
(
cd "$tool"
- git config remote.host.url >/dev/null ||
+ git remote rm host || true
git remote add host $vm_host:tool/vm
- git config --replace remote.host HEAD:refs/heads/origin
- git config remote.$vm.url >/dev/null ||
- git remote add vm root@$vm_fqdn:tool/vm
- git config --replace remote.$vm HEAD:refs/heads/origin
+ git config --replace remote.host.push HEAD:refs/remotes/master
+ git remote rm hosted || true
+ git remote add hosted root@$vm_fqdn:tool/vm
+ git config --replace remote.hosted.push HEAD:refs/remotes/master
)
}
-rule_git_push () { # SYNTAX: $remote $options
+rule_git_push () { # SYNTAX: {host|hosted} $git_push_options
local remote=${1#remote=}; shift
- git add . &&
- git commit -a -C HEAD "$@" &&
- local pwd=$(cd "$tool" && cd -)
- GIT_SSH=./vm_ssh git push -v -f "$remote"
+ GIT_SSH=./vm_ssh git push -v "$remote" "$@"
}
rule_ssh () {
"$tool"/vm_ssh $vm_fqdn "$@"
}
+rule_mosh () {
+ mosh --ssh="$tool/vm_ssh $*" $vm_fqdn
+ }
rule__ssh_known_hosts_update () {
- "$tool"/vm_ssh $vm_fqdn "$@" \
+ rule ssh \
-o StrictHostKeyChecking=no \
-o CheckHostIP=no \
-o HashKnownHosts=no \
whoami
}
-rule_disk_key_send () {
- gpg --decrypt key/secret/$vm_fqdn.disk.gpg |
- ssh "$@" root@$vm_fqdn \
+rule_key_disk_send () {
+ gpg --decrypt var/sec/luks/$vm_fqdn.key.gpg |
+ "$tool"/vm_ssh root@$vm_fqdn "$@" \
-o CheckHostIP=no \
-o HostKeyAlias=init.$vm_fqdn \
- -o StrictHostKeyChecking=yes \
- -o UserKnownHostsFile="$tool"/key/ssh.known_hosts \
tee /lib/cryptsetup/passfifo \>/dev/null
}
-rule_disk_key_backup () {
- for part in root swap var home
- do
- rule_ssh sudo cryptsetup luksHeaderBackup /dev/$vm_lvm_vg/${vm_lvm_lv}_${part} |
- gpg --encrypt --recipient $USER@ -o key/secret/${vm_lvm_lv}_${part}.luks.gpg
- done
- }
-rule_disk_key_restore () {
- for part in root swap var home
+rule_key_disk_backup () {
+ for part in root var home
do
- gpg --decrypt ${vm_lvm_lv}_${part}.luks |
- rule_ssh sudo cryptsetup luksHeaderRestore /dev/$vm_lvm_vg/${vm_lvm_lv}_${part}
+ mkdir -p var/sec/luks
+ rule ssh -l root ' \
+ tmp=$(mktemp)
+ cryptsetup luksHeaderBackup \
+ /dev/$vm_lvm_vg/${vm_lvm_lv}_${part} \
+ --header-backup-file "$tmp" \
+ cat "$tmp"
+ shred --remove "$tmp"
+ ' |
+ gpg --encrypt --recipient $USER@ \
+ -o var/sec/luks/${vm_lvm_lv}_${part}.luks.gpg
done
}
rule=${1:-help}
${1+shift}
-set "${TRACE:+-x}"
-rule_$rule "$@"
+case $rule in
+ (help);;
+ (*)
+ assert 'test ! "$(hostname --fqdn)" = "$vm_fqdn"' vm_fqdn
+ assert 'test ! "$(hostname --fqdn)" = "$vm_host"' vm_host
+ ;;
+ esac
+rule $rule "$@"