debug(bklog):Test tar --append

[EVA-2020-02.git] / exec / bklog

diff --git a/exec/bklog b/exec/bklog
index ecc31d854757bac08929be5af90d211cf532a97b..ecc4e85c9f92d6c4fa007571adfc27a9292bb3e3 100644 (file)
--- a/exec/bklog
+++ b/exec/bklog
@@ -11,7 +11,7 @@ dirTmpDefault="/dev/shm"; # Default parent of working directory
 
 # Script Metadata
 scriptName="bklog";             # Define basename of script file.
-scriptVersion="0.1.19";          # Define version of script.
+scriptVersion="0.1.21-debug";          # Define version of script.
 scriptURL="https://gitlab.com/baltakatei/ninfacyzga-01"; # Define wesite hosting this script.
 scriptTimeStart="$(date +%Y%m%dT%H%M%S.%N)"; # YYYYmmddTHHMMSS.NNNNNNNNN
 scriptHostname=$(hostname);     # Save hostname of system running this script.
@@ -225,6 +225,64 @@ displayMissing() {
     #==END Display errors==
 } # Display missing apps, files, dirs
 
+appendArgTar(){
+    # Desc: Writes first argument to temporary file with arguments as options, then appends file to tar
+    # Usage: appendArgTar "$(echo "Data to be written.")" [name of file to be inserted] [tar path] [temp dir] ([cmd1] [cmd2] [cmd3] [cmd4]...)
+    # Version: 1.0.6
+    # Input: arg1: data to be written
+    #        arg2: file name of file to be inserted into tar
+    #        arg3: tar archive path (must exist first)
+    #        arg4: temporary working dir
+    #        arg5+: command strings (ex: "gpsbabel -i nmea -f - -o kml -F - ")
+    # Output: file written to disk
+    # Example: decrypt multiple large files in parallel
+    #          appendArgTar "$(cat /tmp/largefile1.gpg)" "largefile1" $HOME/archive.tar /tmp "gpg --decrypt" &
+    #          appendArgTar "$(cat /tmp/largefile2.gpg)" "largefile2" $HOME/archive.tar /tmp "gpg --decrypt" &
+    #          appendArgTar "$(cat /tmp/largefile3.gpg)" "largefile3" $HOME/archive.tar /tmp "gpg --decrypt" &
+    # Depends: bash 5, tar 1, yell()
+    # Ref/Attrib: Using 'eval' to construct command strings https://askubuntu.com/a/476533
+
+    local fn fileName tarPath tmpDir cmd0 cmd1 cmd2 cmd3 cmd4
+
+    # Save function name
+    fn="${FUNCNAME[0]}";
+    #yell "DEBUG:STATUS:$fn:Finished appendArgTar()."
+    
+    # Set file name
+    if ! [ -z "$2" ]; then fileName="$2"; else yell "ERROR:$fn:Not enough arguments."; exit 1; fi
+    
+    # Check tar path is a file
+    if [ -f "$3" ]; then tarPath="$3"; else yell "ERROR:$fn:Tar archive arg not a file."; exit 1; fi
+       
+    # Check temp dir arg
+    if ! [ -z "$4" ]; then tmpDir="$4"; else yell "ERROR:$fn:No temporary working dir set."; exit 1; fi
+    
+    # Set command strings
+    if ! [ -z "$5" ]; then cmd1="$5"; else cmd1="cat "; fi # command string 1
+    if ! [ -z "$6" ]; then cmd2="$6"; else cmd2="cat "; fi # command string 2
+    if ! [ -z "$7" ]; then cmd3="$7"; else cmd3="cat "; fi # command string 3
+    if ! [ -z "$8" ]; then cmd4="$8"; else cmd4="cat "; fi # command string 4
+
+    # Input command
+    cmd0="echo \"\$1\""
+
+    # # Debug
+    # yell "DEBUG:STATUS:$fn:cmd0:$cmd0"
+    # yell "DEBUG:STATUS:$fn:cmd1:$cmd1"
+    # yell "DEBUG:STATUS:$fn:cmd2:$cmd2"
+    # yell "DEBUG:STATUS:$fn:cmd3:$cmd3"
+    # yell "DEBUG:STATUS:$fn:cmd4:$cmd4"
+    # yell "DEBUG:STATUS:$fn:fileName:$fileName"
+    # yell "DEBUG:STATUS:$fn:tarPath:$tarPath"
+    # yell "DEBUG:STATUS:$fn:tmpDir:$tmpDir"
+    
+    # Write to temporary working dir
+    eval "$cmd0 | $cmd1 | $cmd2 | $cmd3 | $cmd4" > "$tmpDir"/"$fileName";
+
+    # Append to tar
+    try tar --append --directory="$tmpDir" --file="$tarPath" "$fileName";
+    #yell "DEBUG:STATUS:$fn:Finished appendArgTar()."
+} # Append Bash var to file appended to Tar archive
 appendFileTar(){
     # Desc: Appends [processed] file to tar
     # Usage: appendFileTar [file path] [name of file to be inserted] [tar path] [temp dir] ([process cmd])
@@ -1200,6 +1258,12 @@ magicProcessWriteBuffer() {
     writeCmd4="$cmd_encrypt";
     
     ## Process buffer and write to dir_tmp
+    vbm "DEBUG :$fn:fileouts    element count:${#fileouts[@]}";
+    vbm "DEBUG :$fn:pathouts    element count:${#pathouts[@]}";
+    vbm "DEBUG :$fn:procStrings element count:${#pathouts[@]}";
+    vbm "DEBUG :$fn:fileouts    contents:${fileouts[*]}";
+    vbm "DEBUG :$fn:pathouts    contents:${pathouts[*]}";
+    vbm "DEBUG :$fn:procStrings contents:${pathouts[*]}";
     for index in "${!pathouts[@]}"; do
        writeCmd2="${procStrings[$index]}";
        writeCmdAll="$writeCmd1 | $writeCmd2 | $writeCmd3 | $writeCmd4" && vbm "STATUS:$fn:Assembled command:\"$writeCmdAll\"";
@@ -1209,13 +1273,15 @@ magicProcessWriteBuffer() {
     # Append dir_tmp files to pathout_tar
     wait; # Wait to avoid collision with older magicProcessWriteBuffer() instances (see https://www.tldp.org/LDP/abs/html/x9644.html )
     for index in "${!pathouts[@]}"; do
-       appendFileTar "${pathouts[$index]}" "${fileouts[$index]}" "$pathout_tar" "$dir_tmp" && \
+       tar --append --directory="$dir_tmp" --file="$pathout_tar" "${fileouts[$index]}" && \
            vbm "STATUS:$fn:Appended ${pathouts[$index]} to $pathout_tar";
+       #appendFileTar "${pathouts[$index]}" "${fileouts[$index]}" "$pathout_tar" "$dir_tmp" && \
     done;
     
     # Remove secured chunks from dir_tmp
     for path in "${pathouts[@]}"; do
-       rm "$path" && vbm "STATUS:$fn:Removed:$path";
+       # rm "$path" && vbm "STATUS:$fn:Removed:$path";
+       :
     done;
     
     vbm "STATUS:$fn:Finished magicProcessWriteBuffer().";