added Malcolm

2021-08-06 10:35:01 +02:00
parent f043730066
commit 70f1922e80
751 changed files with 195277 additions and 0 deletions
--- a/Vagrant/resources/malcolm/shared/bin/prune_files.sh
+++ b/Vagrant/resources/malcolm/shared/bin/prune_files.sh
@@ -0,0 +1,99 @@
+#!/bin/bash
+
+# Copyright (c) 2021 Battelle Energy Alliance, LLC.  All rights reserved.
+
+# recursion depth (1 = not recursive)
+DEPTH=1
+
+# threshold is an integer percentage between 1-100; the script will prune until disk usage drops below the threshold
+THRESHOLD=90 # defaults to "prune when usage >= 90%";
+
+# if specified, this script will check and prune every $INTERVAL seconds
+INTERVAL=0 # defaults to "run once then exit"
+
+VERBOSE=0 # defaults to "not verbose"
+
+while getopts t:p:i:rv opts; do
+   case ${opts} in
+      p) PRUNE_PATH=${OPTARG} ;;
+      t) THRESHOLD=${OPTARG} ;;
+      i) INTERVAL=${OPTARG} ;;
+      r) DEPTH=999 ;;
+      v) VERBOSE=1 ;;
+   esac
+done
+
+INT_RE='^[0-9]+$'
+
+if [ -z $PRUNE_PATH ] || [ ! -e "$PRUNE_PATH" ] || ! pushd >/dev/null 2>&1 $PRUNE_PATH ; then
+  echo "Please specify prune path with -p"
+  exit 1
+fi
+
+if [ -z $THRESHOLD ] || [[ ! "$THRESHOLD" =~ $INT_RE ]] || ! [ "$THRESHOLD" -ge 1 -a "$THRESHOLD" -le 100 ] ; then
+  echo "Please specify prune threshold (percentage, 1-100) with -t"
+  exit 1
+fi
+
+if [[ ! "$INTERVAL" =~ $INT_RE ]] || ! [ "$INTERVAL" -ge 0 -a "$INTERVAL" -le 86400 ] ; then
+  echo "Please specify prune check interval (seconds, 0-86400) with -i (0 = run once)"
+  exit 1
+fi
+
+while true ; do
+
+  # check initial disk capacity
+  USAGE=$(df -k . | awk '{gsub("%",""); capacity=$5}; END {print capacity}')
+  if [ $USAGE -gt $THRESHOLD ] ; then
+
+    # we have exceeded the threshold, see if there is something to prune
+    [[ "$VERBOSE" == "1" ]] && echo "\"$PRUNE_PATH\" is at $USAGE% of capacity, pruning..."
+
+    # read files by modification time, oldest first, deleting until we've dropped below the threshold
+    DELETED=0
+    while IFS='' read -r -d ' ' FILE_TIME && IFS='' read -r -d ' ' FILE_SIZE && IFS='' read -r -d '' FILE_TO_DELETE; do
+
+      FILE_SIZE_HUMAN=$(numfmt --to=iec-i --suffix=B $FILE_SIZE)
+      FILE_TIME_HUMAN=$(date -u -d @$FILE_TIME)
+
+      if [ -f "$FILE_TO_DELETE" ]; then
+        if rm -f "$FILE_TO_DELETE" ; then
+          DELETED=$((DELETED+1))
+
+          echo "Pruned \"$FILE_TO_DELETE\" ($FILE_SIZE_HUMAN, $FILE_TIME_HUMAN)"
+
+          # re-check disk capacity
+          USAGE=$(df -k . | awk '{gsub("%",""); capacity=$5}; END {print capacity}')
+          if [ $USAGE -gt $THRESHOLD ] ; then
+            # we still exceed the threshold, continue to loop
+            [[ "$VERBOSE" == "1" ]] && echo "\"$PRUNE_PATH\" is at $USAGE% of capacity, pruning..."
+          else
+            # we're below the limit, break
+            [[ "$VERBOSE" == "1" ]] && echo "\"$PRUNE_PATH\" is at $USAGE% of capacity"
+            break
+          fi
+
+        fi # file was rm'ed
+      fi # file exists
+
+    done < <(find . -xdev -mindepth 1 -maxdepth $DEPTH -ignore_readdir_race -type f \( ! -path '*/spool/*' -o -path '*/spool/tmp*' \) -printf '%T@ %s %p\0' 2>/dev/null | sort -zn 2>/dev/null)
+
+    if [ $DELETED -gt 0 ] ; then
+      [[ "$VERBOSE" == "1" ]] && echo "Pruned $DELETED files in \"$PRUNE_PATH\""
+    else
+      echo "Nothing was pruned in \"$PRUNE_PATH\"!"
+    fi
+
+  else
+    [[ "$VERBOSE" == "1" ]] && echo "\"$PRUNE_PATH\" is at $USAGE% of capacity"
+  fi
+
+  if [ $INTERVAL -gt 0 ] ; then
+    sleep $INTERVAL
+  else
+    break
+  fi
+
+done
+
+popd >/dev/null 2>&1