From: Ian Kelling <ian@iankelling.org>
Date: Sat, 6 Jul 2024 22:23:16 +0000 (-0400)
Subject: minor improvements
X-Git-Url: https://iankelling.org/git/?a=commitdiff_plain;h=77aca9ae11e8d19f3e499687faaf7553096c9cde;p=distro-setup

minor improvements
---

diff --git a/brc b/brc
index d73342d..c3d7686 100644
--- a/brc
+++ b/brc
@@ -1338,7 +1338,7 @@ tailf() {
   else
     tail -F "$@"
   fi
-  }
+}
 
 ta() {
   bn ta "$@"
@@ -2930,14 +2930,27 @@ slr() {
 }
 
 
-# ssh solo
-#
-# WARNING: If you are trying to use -i, remember that keys added to
-# agent previously will still be tried. Use ssh-add -D to remove all
-# keys from the agent.
+# ssh solo, without multiplexing. Good for debugging / testing.
 sss() {
   ssh -oControlMaster=no -oControlPath=/ "$@"
 }
+
+# ssh that respects -i as the only key to use. Good for debugging.
+#
+# Without ControlMaster/ControlPath, it would reuse an existing ssh
+# connection.
+#
+# Without IdentityAgent, it would send keys in the ssh -agent (could
+# also be fixed by ssh-add -D to delete them.
+#
+# Without -F, we'd get identities specified in our ssh config.
+#
+# Without AddKeysToAgent=no, we'd get keys added to the agent we might
+# not want, and without the ask setting.
+sshi() {
+  ssh -oControlMaster=no -oControlPath=/ -oAddKeysToAgent=no -F none -oIdentityAgent=none "$@"
+}
+
 # kill off old shared socket then ssh
 ssk() {
   m ssh -O exit "$@" || [[ $? == 255 ]]
@@ -3637,6 +3650,8 @@ dsh() {
   command dsh -c "$@"
 }
 
+
+
 # cat or bat with color if we have it
 v() {
   if type -t batcat >/dev/null; then
diff --git a/brc2 b/brc2
index 3236dbc..eab5d4a 100644
--- a/brc2
+++ b/brc2
@@ -82,11 +82,16 @@ export WCDHOME=/a
 case $EUID in
   0)
     # shellcheck disable=SC2034 # used in brc
-    SL_SSH_ARGS="-F $HOME/.ssh/confighome"
+    SL_SSH_ARGS="-F /root/.ssh/confighome"
+    dsh() {
+      command dsh -o -F/root/.ssh/confighome -c "$@"
+    }
     ;;
 esac
 
 
+
+
 # * include files
 
 # generated instead of dynamic for the benefit of shellcheck
@@ -2950,9 +2955,9 @@ EOF
   for ip in "${!ip_to_hosts[@]}"; do
     echo "$ip${ip_to_hosts[$ip]}"
   done | s cedit -e hosts-file-up /etc/hosts
-  for host in ${hosts[@]}; do
-    echo $host
-  done >/p/c/subdir_files/.dsh/group/btrbk
+
+  printf "root@%s\n" ${hosts[@]} >/p/c/subdir_files/.dsh/group/btrbkroot
+  printf "%s\n" ${hosts[@]} >/p/c/subdir_files/.dsh/group/btrbk
   ### end focus on hosts file update ###
 
 
@@ -4906,7 +4911,11 @@ opensslcertinfo() {
 
 # dsh on btrbk hosts
 dsb() {
-  :
+  dsh -g btrbkroot "$@"
+}
+# like dsb, but normal user.
+dsu() {
+  dsh -g btrbk "$@"
 }
 
 # dsh a file and run it
diff --git a/btrbk-run b/btrbk-run
index 7769e64..c8aa989 100644
--- a/btrbk-run
+++ b/btrbk-run
@@ -500,7 +500,7 @@ else
     wait_factor=$(( pingms / 20 ))
     if (( wait_factor == 0 )); then
       wait_factor=1
-      fi
+    fi
   else
     wait_factor=10
   fi
@@ -919,21 +919,27 @@ else
   done
 fi
 
-bzip2 $log_path
-# todo, we get hostnames earlier, reuse that.
+
+## run extra commands on targets
 if [[ $ret == 0 ]]; then
   for tg in ${targets[@]}; do
     h=$(ssh $tg hostname)
     if [[ $h == kd && $HOSTNAME == x3 && $HOSTNAME == "$MAIL_HOST" ]]; then
       d ssh root@$tg 'btrbk-spread-wrap &>/dev/null </dev/null &'
     fi
-    m rsync --mkpath -a -f"- */" -f"+ *" /var/log/btrbk/ root@$tg:/var/log/btrbk/$HOSTNAME
     cmd=/usr/local/bin/mail-backup-clean
     ssh root@$tg "if test -x $cmd; then $cmd; fi"
   done
-  if [[ $source ]]; then
-    m rsync --mkpath -a -f"- */" -f"+ *" $source:/var/log/btrbk/ /var/log/btrbk/$source
-  fi
+fi
+
+## compress and copy logs in case a machine dies, we still have its logs.
+bzip2 $log_path
+for tg in ${targets[@]}; do
+  # we generated
+  m rsync --mkpath -a -f"- */" -f"+ *" /var/log/btrbk/ root@$tg:/var/log/btrbk/$HOSTNAME
+done
+if [[ $source ]]; then
+  m rsync --mkpath -a -f"- */" -f"+ *" $source:/var/log/btrbk/ /var/log/btrbk/$source
 fi
 
 mexit $ret
diff --git a/mailtest-check b/mailtest-check
index aa9b776..7fc8420 100755
--- a/mailtest-check
+++ b/mailtest-check
@@ -266,7 +266,7 @@ main() {
           if (( try_left < timeout )); then
             timeout=$try_left
           fi
-          if timeout $timeout rsync --chown iank:iank -e "ssh -oIdentitiesOnly=yes -F /dev/null -i /root/.ssh/jtuttle" -t --inplace -r 'jtuttle@fencepost.gnu.org:/home/j/jtuttle/Maildir/new/' /m/md/l/testignore/new; then
+          if timeout $timeout rsync --chown iank:iank -e "ssh -oIdentitiesOnly=yes -F none -i /root/.ssh/jtuttle" -t --inplace -r 'jtuttle@fencepost.gnu.org:/home/j/jtuttle/Maildir/new/' /m/md/l/testignore/new; then
             did_rsync=true
           else
             sleep 4