local network. Turn off mail receiving on OLD_HOST, run btrbk to move
mail to NEW_HOST, turn on mail receiving on NEW_HOST.
-
+-w Don't try to ssh to wrt. Should only be used in unusual network situation.
-h|--help Print help and exit.
Note: Uses GNU getopt options parsing style
##### begin command line parsing ########
-if (( $# != 2 )) || [[ $1 == -* || $2 == -* ]]; then
- usage 1
-fi
+update_wrt=true # default
+temp=$(getopt -l help wh "$@") || usage 1
+eval set -- "$temp"
+while true; do
+ case $1 in
+ -w) update_wrt=false; shift ;;
+ -h|--help) usage ;;
+ --) shift; break ;;
+ *) echo "$0: Internal error! unexpected args: $*" ; exit 1 ;;
+ esac
+done
+
+
+(( $# == 2 )) || usage 1
old_host=$1
new_host=$2
+source /a/bin/bash_unpublished/source-semi-priv
if [[ $old_host != $MAIL_HOST ]]; then
read -p "warning: \$old_host != \$MAIL_HOST: $old_host != $MAIL_HOST, proceed? y/N "
if [[ $new_host == "$HOSTNAME" ]]; then
localhost_new=true
- ssh_prefix=ssh
+ new_shell=
else
localhost_new=false
- ssh_prefix=
+ new_shell="ssh $new_host"
+fi
+
+old_shell="ssh $old_host"
+if [[ $old_host == "$HOSTNAME" ]]; then
+ old_shell=
fi
+
if [[ ! $new_host || ! $old_host ]]; then
echo "$0: bad args. see script"
exit 1
fi
at_home=false
-if timeout -s 9 10 ssh root@wrt.lan :; then
+if [[ $HOSTNAME == tp ]] || [[ $HOSTNAME == frodo ]] || timeout -s 9 5 ssh wrt.b8.nz :; then
at_home=true
fi
+echo "$0: at_home = $at_home"
source /a/bin/bash_unpublished/source-semi-priv
#### begin convert private hostnames to public hostnames ####
-if ! $at_home; then
- for var in old_host new_host; do
- case ${!var} in
- treetowl)
- eval $var=$HOME_DOMAIN
- ;;
- esac
- done
-fi
+#if ! $at_home; then
+# for var in old_host new_host; do
+# case ${!var} in
+# tp)
+# eval $var=$HOME_DOMAIN
+# ;;
+# esac
+# done
+#fi
#### end convert private hostnames to public hostnames ####
# because our port forward is not robust enough, we can't use proxy command,
-# todo: just open an ssh port to the world on wrt
-if ! $at_home; then
- ssh_cmd="ssh $HOME_DOMAIN ssh wrt"
+# todo: setup vpn so this is all taken care of.
+if ! $update_wrt; then
+ wrt_shell=:
+elif $at_home; then
+ wrt_shell="ssh wrt.b8.nz"
else
- ssh_cmd="ssh wrt"
+ if [[ $old_host == iank.vpn.office.fsf.org || $new_host == iank.vpn.office.fsf.org ]]; then
+ wrt_shell="ssh iank.vpn.office.fsf.org ssh wrt.b8.nz"
+ else
+ wrt_shell="ssh $HOME_DOMAIN ssh wrt.b8.nz"
+ fi
+fi
+
+btrbk_test="systemctl is-active btrbk.service"
+while $new_shell $btrbk_test || $old_shell $btrbk_test; do
+ echo "$0: btrbk is running on new or old host. sleeping for 8 seconds"
+ sleep 6
+ echo "$0: testing for btrbk activity in 2 seconds"
+ sleep 2
+done
+
+new_hostname=$($new_shell hostname)
+
+########### end initial processing, begin actually modifying things ##########
+
+restore_new_btrbk=false
+if $new_shell systemctl is-active btrbk.timer; then
+ $new_shell sudo systemctl stop btrbk.timer
+ restore_new_btrbk=true
fi
+restore_old_btrbk=false
+if $old_shell systemctl is-active btrbk.timer; then
+ $old_shell sudo systemctl stop btrbk.timer
+ restore_old_btrbk=true
+fi
+
+
+$new_shell bash -xs <<'EOF'
+set -eE
+if mountpoint -q /m; then sudo umount /m; fi
+if mountpoint -q /o; then sudo umount /o; fi
+EOF
+
# if new_host is not on home network, make mail.iankelling.org not resolve
# on the home network.
if [[ $new_host == $HOSTNAME ]] && ! $at_home; then
- echo | $ssh_cmd cedit mail_host /etc/hosts
+ echo | $wrt_shell cedit mail_host /etc/hosts || [[ $? == 1 ]] # 1 means file changed.
else
- $ssh_cmd bash -s <<EOFOUTER
- cedit mail_host /etc/hosts <<'EOF' || /etc/init.d/dnsmasq restart
-\$(grep "\b$new_host\b" /etc/hosts | awk '{print $1}') mail.iankelling.org
+ $wrt_shell bash -xs $new_host <<'EOFOUTER'
+new_host=$1
+cedit mail_host /etc/hosts <<EOF || /etc/init.d/dnsmasq restart
+$(grep "\b$new_hostname\b" /etc/hosts | awk '{print $1}') mail.iankelling.org
EOF
EOFOUTER
fi
-mail-setup() {
- shell="$1"
- $shell sed -ri "s/MAIL_HOST=.*/MAIL_HOST=$new_host/" /a/bin/bash_unpublished/source-semi-priv
- $shell /a/bin/distro-setup/mail-setup exim4
-}
-
-mail-setup "ssh $old_host"
+$old_shell /a/bin/distro-setup/install-my-scripts
+$old_shell primary-setup $new_hostname
sudo dd of=/etc/btrbk.conf <<'EOF'
-ssh_identity /root/.ssh/id_rsa
+ssh_identity /root/.ssh/home
# Just a guess that local7 is a good facility to pick.
# It's a bit odd that the transaction log has to be logged to
# a file or syslog, while other output is sent to std out.
btrbk_dst=/mnt/root/btrbk
else
btrbk_src=/mnt/root
- btrbk_dst=ssh://$old_host/mnt/root/btrbk
+ btrbk_dst=ssh://$new_host/mnt/root/btrbk
fi
sudo tee -a /etc/btrbk.conf <<EOF
EOF
-sudo btrbk --progress run
-$ssh_prefix $new_host mount-latest-subvol
+sudo btrbk -l debug --progress run
+$new_shell /a/bin/distro-setup/install-my-scripts
+$new_shell mount-latest-subvol
+$new_shell primary-setup $new_hostname
-mail-setup
+if $restore_new_btrbk; then
+ $new_shell sudo systemctl start btrbk.timer
+fi
+if $restore_old_btrbk; then
+ $old_shell sudo systemctl start btrbk.timer
+fi
iankelling.org / git / distro-setup / blobdiff