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container.training/slides/containers/exploring-images/verifyImageFiles.sh

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fileContentsCompare() {
layer=$1
text=$2
file=$(pwd)/$3
if [ -f "$file" ]; then
fileContents=$(cat $file)
if [ "$fileContents" != "$text" ]; then
echo In Layer $layer Unexpected contents in file: $file
echo -- Contents: $fileContents
echo -- Expected: $text
fi
else
echo Missing File $file in Layer $layer
fi
}
checkLayer() {
layer=$1
find . >/tmp/state
if [[ $(diff /tmp/state $targetDir/../state.layer-$layer) ]]; then
echo Directory Structure mismatch in layer: $layer
diff /tmp/state $targetDir/../state.layer-$layer
fi
case $layer in
0)
fileContentsCompare $layer "A is for Aardvark" A
fileContentsCompare $layer "B is for Beetle" B
fileContentsCompare $layer "A is for Cowboy Allan" C/CA
fileContentsCompare $layer "A is for Cowboy Buffalo Alex" C/CB/CBA
fileContentsCompare $layer "B is for Cowboy Buffalo Bill" C/CB/CBB
fileContentsCompare $layer "Z is for Cowboy Zeke" C/CZ
fileContentsCompare $layer "A is for Detective Alisha" D/DA
fileContentsCompare $layer "B is for Detective Betty" D/DB
fileContentsCompare $layer "E is for Elephant" E
;;
# echo "== LAYER 1 == Change File B, Create File C/CC, Add Dir C/CD, Remove File E, Create Dir F, Add File G, Create Empty Dir H"
1)
fileContentsCompare $layer "A is for Aardvark" A
fileContentsCompare $layer "B is for Butterfly" B ## CHANGED FILE B
fileContentsCompare $layer "A is for Cowboy Allan" C/CA
fileContentsCompare $layer "A is for Cowboy Buffalo Alex" C/CB/CBA
fileContentsCompare $layer "B is for Cowboy Buffalo Bill" C/CB/CBB
fileContentsCompare $layer "C is for Cowboy Chuck" C/CC ## ADDED FILE C/CC
fileContentsCompare $layer "A is for Cowboy Dandy Austin" C/CD/CDA ## ADDED DIR C/CD, ADDED FILE C/CD/CDA
fileContentsCompare $layer "Z is for Cowboy Zeke" C/CZ
fileContentsCompare $layer "A is for Detective Alisha" D/DA
fileContentsCompare $layer "B is for Detective Betty" D/DB
## REMOVED FILE E
fileContentsCompare $layer "A is for Ferret Albert" F/FA ## ADDED DIR F, ADDED FILE F/A
fileContentsCompare $layer "G is for Gorilla" G ## ADDED G
## CREATED EMPTY DIR H
;;
# echo "== LAYER 2 == Remove File C/CA, Remove Dir C/CB, Remove Dir C/CB, Remove Dir D Replace with new Dir D, Delete and Recreatee File G, Add File H/HA Create Dir I"
2)
fileContentsCompare $layer "A is for Aardvark" A
fileContentsCompare $layer "B is for Butterfly" B
## REMOVED FILE C/CA
## REMOVED DIR C/CB
fileContentsCompare $layer "C is for Cowboy Chuck" C/CC
fileContentsCompare $layer "A is for Cowboy Dandy Austin" C/CD/CDA
fileContentsCompare $layer "Z is for Cowboy Zoe" C/CZ ## CHANGED FILE C/CZ
## REMOVE DIR D
fileContentsCompare $layer "A is for Duplicitous Albatros" D/DA ## RECREATE DIR D, ADD FILE D/DA
fileContentsCompare $layer "G is for Geccos" G ## DELETED FILE G, ADDED FILE G (Implicit CHANGED)
fileContentsCompare $layer "H is for Human" H ## ADDED FILE H
;;
esac
}
layer=$1
targetDir=$2
echo VERIFYING LAYER $layer
checkLayer $layer