X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=btrbk-run;h=a28bfac973e592c3750b5078b1fdeaf605edddea;hb=7f9af41bd119784d4f062731911d1485d224ec73;hp=79ace6a17341d16ee3be575b5f03c8aa2afb0fde;hpb=e0ade087fcd4e1942aa5ade8183af59b3190b651;p=distro-setup

diff --git a/btrbk-run b/btrbk-run
index 79ace6a..a28bfac 100644
--- a/btrbk-run
+++ b/btrbk-run
@@ -1,17 +1,22 @@
 #!/bin/bash
-# Copyright (C) 2016 Ian Kelling
 
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
+# Configure & run btrbk & related work on Ian's computers.
+# Copyright (C) 2024  Ian Kelling
 
-#     http://www.apache.org/licenses/LICENSE-2.0
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
 
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 
 # todo: if we cancel in the middle of a btrfs send, then run again
@@ -23,6 +28,7 @@
 [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
 
 set -e; . /usr/local/lib/bash-bear; set +e
+shopt -s nullglob
 
 usage() {
   cat <<'EOF'
@@ -68,7 +74,7 @@ set-location() {
     kd|frodo)
       at_home=true
       ;;
-    x2|x3|sy)
+    x2|x3|sy|so)
       if [[ $(dig +short @10.2.0.1 -x 10.2.0.2 2>&1 ||:) == kd.b8.nz. ]] \
            && ip n show 10.2.0.1 | grep . &>/dev/null; then
         at_home=true
@@ -86,7 +92,7 @@ exit-if-no-default-targets() {
     mexit 0
   fi
   case $HOSTNAME in
-    kw|kd|frodo|x2|x3|sy) : ;;
+    kw|kd|frodo|x2|x3|sy|so) : ;;
     *)
       die "error: no default targets for this host, use -t"
       ;;
@@ -360,6 +366,7 @@ if [[ ! -v targets && ! $source ]]; then
     wireless_home_hosts=(
       x2
       sy
+      so
     )
     for h in ${wireless_home_hosts[@]}; do
       if [[ $HOSTNAME != "$h" ]]; then
@@ -489,11 +496,12 @@ if $verbose; then
   if [[ $cmd_arg != run ]]; then
     opts_show+=(cmd_arg=$cmd_arg)
   fi
-  if (( $opts_show >= 1 )); then
+  if (( ${#opts_show[@]} >= 1 )); then
     first=true
     for opt in ${opts_show[@]}; do
       if $first; then
         printf "%s" "$opt"
+        first=false
       else
         printf " %s" "$opt"
       fi
@@ -536,7 +544,10 @@ if ! $pull_reexec && [[ $source ]] && $pulla ; then
   fi
 fi
 
-
+# todo: check if we have no snapshots yet, because I always want to run
+# archive instead of run. Likely, I should give an error unless a cli
+# override is passed. perhaps check-subvol-stale could give the error.
+# see the error message "no snapshots found" in that file.
 if ! $fast; then
   # if our mountpoints are from stale snapshots,
   # it doesn't make sense to do a backup.
@@ -566,13 +577,17 @@ else
 
   sshable=()
   sshfail=()
+  remote_str_cmd="mkdir -p /mnt/root/btrbk /mnt/o/btrbk && \
+date +%z && \
+df --output=size,pcent / | tail -n1"
+
   for h in ${targets[@]}; do
     if $fast || $conf_only; then
       # Use some typical values in this case
       root_size=$(( 1024 * 1024 * 2000 )) #2tb
       percent_used=10
       zone=$(date +%z)
-    elif remote_str=$(timeout -s 9 6 ssh root@$h "mkdir -p /mnt/root/btrbk /mnt/o/btrbk && date +%z && df --output=size,pcent / | tail -n1"); then
+    elif remote_str=$(timeout -s 9 6 ssh root@$h "$remote_str_cmd"); then
       mapfile -t tmp_array <<<"$remote_str"
       zone="${tmp_array[0]}"
       IFS=" " read -r root_size percent_used <<<"${tmp_array[1]}"
@@ -597,6 +612,7 @@ else
     min_root_kb=$(( 1024 * 1024 * 200 )) # 200 gb
     tmp=$(( root_size < min_root_kb ))
     if (( tmp )); then
+      e "warning: $h: root_size=$root_zie < 200gb, perhaps it is booted to bootstrap vol. skipping for now"
       continue
     fi
 
@@ -634,7 +650,7 @@ else
     fi
   done
   if [[ ! ${sshable[*]} ]] || { $force && [[ ${sshfail[*]} ]]; }; then
-    die "failed to ssh to hosts: ${sshfail[*]}"
+    die "see skipped host warning above or sshfail hosts: ${sshfail[*]}"
   else
     if [[ ${sshfail[*]} ]]; then
       ret=1
@@ -867,7 +883,8 @@ if [[ $ret == 0 ]]; then
       m ssh root@$tg 'btrbk-spread-wrap &>/dev/null </dev/null &'
     fi
     rsync --mkpath -a -f"- */" -f"+ *" /var/log/btrbk/ root@$tg:/var/log/btrbk/$tg
-    ssh root@$tg /usr/local/bin/mail-backup-clean
+    cmd=/usr/local/bin/mail-backup-clean
+    ssh root@$tg "if test -x $cmd; then $cmd; fi"
   done
   if [[ $source ]]; then
     rsync --mkpath -a -f"- */" -f"+ *" $source:/var/log/btrbk/ /var/log/btrbk/$source