add some tools to generate graphs and squash images

bin/dockviz

@@ -0,0 +1 @@
+docker run -it --rm -v /var/run/docker.sock:/var/run/docker.sock nate/dockviz $*

bin/dockviz-graphml

@@ -0,0 +1,10 @@
+DIR=`mktemp -d`
+cd $DIR
+wget -q https://bitbucket.org/dirkbaechle/dottoxml/raw/e285fccba8d51c6d814a83756935f3128972f0ea/src/X11Colors.py   
+wget -q https://bitbucket.org/dirkbaechle/dottoxml/raw/e285fccba8d51c6d814a83756935f3128972f0ea/src/dottoxml.py
+wget -q https://bitbucket.org/dirkbaechle/dottoxml/raw/e285fccba8d51c6d814a83756935f3128972f0ea/src/dot.py
+$DOCKER_HOME/bin/dockviz images -d > dockviz.dot
+python dottoxml.py dockviz.dot dockviz.graphml 
+cat dockviz.graphml
+cd - > /dev/null
+rm -rf $DIR

bin/dockviz-xml

@@ -0,0 +1,2 @@
+DIR=`mkdir -t`
+cd $DIR

bin/make

@@ -1,6 +1,5 @@
 FILE=$DOCKER_HOME/images/$1.mk
 if [ ! -e $FILE ]; then
-    DELETE=true
     FILE="$(mktemp)"
     cat <<- EOF > $FILE
         include \$(DOCKER_HOME)/build/Makefile
@@ -11,7 +10,5 @@ EOF
 fi
 make -f $FILE build
 CODE=$?
-if [ ! -z ${DELETE+x} ]; then    
+rm $FILE
-    rm $FILE
-fi
 exit $CODE

bin/make-dependencies

@@ -0,0 +1,15 @@
+FILE=$DOCKER_HOME/images/$1.mk
+if [ ! -e $FILE ]; then
+    FILE="$(mktemp)"
+    cat <<- EOF > $FILE
+        include \$(DOCKER_HOME)/build/Makefile
+        FROM = base:squash
+        NAME = $1
+        VERSION = latest
+        build: prepare $1
+EOF
+fi
+make -Bnd -f $FILE build > $1.mk
+cat $1.mk | make2graph | dot -Tpng -o $1.mk.png
+cat $1.mk | make2graph -f x > $1.mk.xml
+rm $FILE

bin/squash

@@ -0,0 +1,5 @@
+TREEFILE="$(mktemp)"
+COMMANDFILE="$(mktemp)"
+$DOCKER_HOME/bin/make/dockviz images -t --no-trunc > $TREEFILE
+python3 $DOCKER_HOME/squash.py $TREEFILE $COMMANDFILE
+. $COMMANDFILE

bin/total-size

@@ -0,0 +1 @@
+docker run --rm -v /var/run/docker.sock:/var/run/docker.sock nate/dockviz images -t | grep Tags: | cut -d':' -f3 | cut -d' ' -f2 | awk '{d+=$1} END {print d}'

build/Makefile

@@ -42,7 +42,9 @@ define arg
 endef
 
 build:
+ifneq ($(CLEANUP),)
 	$(call script,cleanup)
+endif	
 	@echo 'RUN chmod +x -R /opt/init.d' >> ${FILE}
 	docker build -t $(NAME):$(VERSION) $(ARGS) -f $(FILE) $(DOCKER_HOME)/build
 	@rm -f ${FILE}

images/base.mk

@@ -0,0 +1,5 @@
+include $(DOCKER_HOME)/build/Makefile
+NAME = base
+VERSION = latest
+CLEANUP = false
+build: prepare $1

setup

@@ -49,4 +49,6 @@ if [ -z "$DOCKER_HOME" ]; then
 fi
 
 mkdir -p $DOCKER_HOME
-docker run --rm -v /usr/local/bin:/target jpetazzo/nsenter
+docker run --rm -v /usr/local/bin:/target jpetazzo/nsenter
+docker pull nate/dockviz
+pip install docker-squash

squash.py

@@ -0,0 +1,70 @@
+import sys
+import os
+import re
+
+# Command line arguments
+treefile = sys.argv[1]
+commandfile = sys.argv[2]
+
+# File handling
+os.remove(commandfile)
+treefile = open(treefile, 'r', encoding='utf-8')
+commandfile = open(commandfile, 'a')
+
+def proccess_end(name, tag):
+    print('Deal with tag [{}]...'.format(tag, branches[-1]))    
+    if branches[-1]:
+        print('    > Use branching image [%.7s]...' % branches[-1])
+        commandfile.write('docker-squash -f {} -t {}:latest {}:{}\n'.format(branches[-1], name, name, tag))
+    else:
+        print('    > Branching image missing!')
+
+# Caching
+previous_type = False
+previous_tag = False
+previous_depth = False
+
+# Parse file
+branches = []
+for line in treefile:  
+    # Find image id
+    match = re.search('sha256:([\w]+)', line)
+    id = match.group(1) if match else False
+
+    # Find image tag
+    match = re.search('Tags: ([\w/]+):([\w\.]+)', line)
+    name = match.group(1) if match else False
+    tag = match.group(2) if match else False
+
+    # Count depth
+    depth = line.count('│')
+
+    # Parse tree
+    match = re.search('([^s])─', line)
+    type = match.group(1)
+    if type == '└':        
+        if depth < previous_depth and previous_tag:
+            # Reached an end
+            proccess_end(previous_name, previous_tag)
+    elif type == '├':
+        if previous_type == '└' and previous_name:
+            # Reached an end
+            proccess_end(previous_name, previous_tag)
+
+        # Start new branch
+        branches.append(id)
+
+    # Return to previous branch
+    if depth < previous_depth:
+        branches.pop()
+        branches.append(id)
+
+    # Store current data
+    previous_type = type
+    previous_name = name
+    previous_tag = tag
+    previous_depth = depth
+
+# Deal with very last end
+if previous_tag:
+    proccess_end(previous_name, previous_tag)