enable cache dir; unlock before pruning

docs/30_Scripts.md

@@ -139,6 +139,7 @@ The inc_config.sh mus contain 3 variables for pruning
     prune_basedir=/netshare/restic-backup
     prune_params="--group-by paths,tags --prune --keep-within 180d --max-unused unlimited --max-repack-size 100M --cleanup-cache"
     prune_skipdays="7"
+    prune_cachedir=${prune_basedir}/.cache_for_pruning
 ```
 
 ## rest_pruner.cfg

inc_config.sh.dist

@@ -28,7 +28,9 @@
     sLogfile="$sLogdir/connections.log"
 
     # for prune on restic rest server
-    prune_params="--group-by paths,tags --prune --keep-within 180d --max-unused unlimited --max-repack-size 100M --cleanup-cache"
+    prune_basedir=/netshare/restic-backup
+    prune_params="--group-by paths,tags --prune --keep-within 180d --max-unused unlimited --max-repack-size 100M --cleanup-cache --verbose=0"
     prune_skipdays="7"
+    prune_cachedir=${prune_basedir}/.cache_for_pruning
 
 # ----------------------------------------------------------------------

rest_pruner.sh

@@ -6,16 +6,18 @@
 # ----------------------------------------------------------------------
 # 2024-02-01  v0.1  <axel.hahn@unibe.ch>  first lines
 # 2024-02-02  v0.2  <axel.hahn@unibe.ch>  add: timer, skip file, skin N days, limit process time, stats
+# 2024-02-03  v0.3  <axel.hahn@unibe.ch>  enable cache dir; unlock before pruning
 # ======================================================================
 
 
 cd "$( dirname $0 )" || exit
-_version=0.2
+_version=0.3
 logdir=_last_prune
 
 prune_basedir=
 prune_params=
 prune_skipdays=7
+prune_cachedir=
 
 # stop pruning more repositories when running longer N seconds
 prune_timeout=7200
@@ -40,6 +42,7 @@ typeset -i rcAll=0
 . "inc_config.sh" || exit 1
 cfgfile=rest_pruner.cfg || exit 1
 
+test -z "$prune_cachedir" && prune_cachedir="${prune_basedir}/.cache_for_pruning"
 
 
 # ----------------------------------------------------------------------
@@ -153,13 +156,24 @@ function _prune(){
             fi
 
             if [ "$bDoRun" -eq "1" ]; then
-                local _user; _user=$( stat -c "%U" "$_dir" )
-                echo ">>>>> $( _getTimer ) >>>>> $_dir"
+                echo ">>>>> $( _getTimer ) sec >>>>> $_dir"
+
+                local _user; 
+                _user=$( stat -c "%U" "$_dir" )
+                
+                local _cachedir; 
+                export _cachedir=$prune_cachedir/${mybase}
+                echo "Creating cache $_cachedir ..."
+                test -d "$_cachedir" || mkdir -p "$_cachedir"
+                chown ${_user}:${_user} "$_cachedir"
+                
                 echo "Starting prune as user $_user ..."
                 su - $_user - /bin/bash -c "
                         echo START $( date ) $_dir
                         export RESTIC_PASSWORD=$mypw
-                        restic forget -r $_dir $prune_params 2>&1
+                        set -vx
+                        restic unlock -r $_dir --cache-dir=$_cachedir 2>&1
+                        restic forget -r $_dir --cache-dir=$_cachedir $prune_params 2>&1
                 " | tee "${logfile}.running"
                 rc=${PIPESTATUS[0]}
                 rcAll+=$rc
@@ -170,7 +184,10 @@ function _prune(){
                 else
                         iCountPruneError+=1
                         mv "${logfile}.running" "${logfile}.error"
+                        echo "!!! ERROR !!! pruning failed."
                 fi
+                echo "Removing cache $_cachedir ..."
+                rm -rf "$_cachedir"
             fi
         else
             test "$bOptAll" -eq "1" && echo "SKIP: $_dir - no password for this repo"