From: Fred Hamster <fred@gruntose.com>
Date: Sat, 14 Dec 2024 23:12:45 +0000 (-0500)
Subject: close to perfection-ish with cleanup
X-Git-Tag: 2.140.189^2~78
X-Git-Url: https://feistymeow.org/gitweb/?a=commitdiff_plain;h=43912a805ca123cfc2207d798ce3ba08805f55e8;p=feisty_meow.git

close to perfection-ish with cleanup

seems to be working.
---

diff --git a/scripts/customize/fred/scripts/jobby/archie_grabber.sh b/scripts/customize/fred/scripts/jobby/archie_grabber.sh
index 432ead0b..9995a287 100644
--- a/scripts/customize/fred/scripts/jobby/archie_grabber.sh
+++ b/scripts/customize/fred/scripts/jobby/archie_grabber.sh
@@ -1,15 +1,21 @@
 #!/bin/bash
 
 # grabs a set of archives from a set of machines.
-# not tuned for re-use very much yet.
 
-#hmmm: could re-base this script on the newly available host_strider, which offers services this could really use.
+#hmmm: not tuned for re-use very much yet.
+# but this idea could be used for our home machines too... given some good parameter management.
 
 source "$FEISTY_MEOW_SCRIPTS/core/launch_feisty_meow.sh"
 
-# the archive directories will be known by their odd naming, which starts with the below.
-ARCHIVE_DIR_PREFIX="z_arch"
+if [ -z "$ARCHIVE_DIR_PREFIX" ]; then
+  # the archive directories will be known by their odd naming, which starts with the below.
+  # but we respect if people want to override that default archive directory name.
+  ARCHIVE_DIR_PREFIX="z_arch"
+fi
 
+# looks for archive directories within a DNS domain for a set of hosts.
+# if any archive dirs are found, they are copied to the local host and
+# then moved out of the way on the remote host.
 function grab_archies()
 {
   local domain_piece="$1"; shift
@@ -20,7 +26,7 @@ function grab_archies()
     local cp_outfile="$(mktemp /tmp/archie_grabber.XXXXXX)"
     netcp ${host}.${domain_piece}:${ARCHIVE_DIR_PREFIX}* . &> "$cp_outfile"
     retval=$?
-#hmmm: could display output on error.
+#hmmm: could display the output on error.  and we have a function for that...
     rm "$cp_outfile"
     if [ $retval -ne 0 ]; then
       echo "got return value $retval from copying ${ARCHIVE_DIR_PREFIX}* from ${host}.${domain_piece}; skipping it."
@@ -34,31 +40,21 @@ function grab_archies()
     # moved out of the way before the next run.
     host_strider $DATA_GRAVE_SHUFFLE_COMMAND ${domain_piece} ${host}
 
-#old code
-#    # the tricky code below just cleans up any archive dirs on the host by hiding them
-#    # under an old junk folder.  that can be cleaned up later as desired.
-#    ssh ${host}.${domain_piece} bash <<EOF
-#{ \
-#DATA_GRAVE="\$(mktemp -d \$HOME/old_junk.XXXXXX)"; \
-#mkdir -p \$DATA_GRAVE; \
-#echo "moving old $ARCHIVE_DIR_PREFIX* folders into \$DATA_GRAVE"; \
-#mv $ARCHIVE_DIR_PREFIX* \$DATA_GRAVE; \
-#}
-#EOF
-
     popd 
   done
 }
 
-####
+################
 
 # active part of the script, where we go out to a bunch of machines
 # to grab the archive folders.
 
 # we'll store the copied archives here.
+#hmmm: should make that directory selectable...
 mkdir -p $HOME/grabbing_archies
 pushd $HOME/grabbing_archies
 
+# write a script that we'll run remotely to clean up after we get a copy of the archives.
 export DATA_GRAVE_SHUFFLE_COMMAND="$(mktemp "$TMP/data_engraver.sh.XXXXXX")"
 echo '\
 #!/usr/bin/env bash
@@ -66,13 +62,12 @@ echo '\
 ARCHIVE_DIR_PREFIX="'$ARCHIVE_DIR_PREFIX'"
 DATA_GRAVE="$(mktemp -d $HOME/old_junk.XXXXXX)"
 mkdir -p $DATA_GRAVE
+cd  # jump to normal top of home.
 echo "moving old $ARCHIVE_DIR_PREFIX* folders into $DATA_GRAVE"
 mv $ARCHIVE_DIR_PREFIX* $DATA_GRAVE
 ' > $DATA_GRAVE_SHUFFLE_COMMAND
 
-#hmmm: got the script done above.  need to start calling the host strider for this.
-
-####
+################
 
 # these hosts are all in the ITS domain...
 
@@ -92,7 +87,7 @@ grab_archies "$domain" "$hostlist"
 hostlist="tower "
 grab_archies "$domain" "$hostlist"
 
-####
+################
 
 # these hosts are in the storage domain...
 
@@ -100,7 +95,7 @@ domain="storage.virginia.edu"
 hostlist="admin03 admin-hsz02-s admin-lab nasman02-s "
 grab_archies "$domain" "$hostlist"
 
-####
+################
 
 popd