bin/gen-image-list

#!/bin/bash
##############################################################################
#
#   Copyright (c) 2019 AT&T Intellectual Property.
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#
##############################################################################

# Installs well-known RIC charts then verifies specified helm chart
# Requires chart tgz archives in /tmp


while [ -n "$1" ]; do # while loop starts

    case "$1" in

    -f) OVERRIDEYAML=$2
        shift
        ;; 
    *) echo "Option $1 not recognized. Please use -f to specify the recipe path." ;; # In case you typed a different option other than a,b,c

    esac

    shift

done

if [ -z $OVERRIDEYAML ]; then
   echo "Deploy recipe is missing. Please use -f to specify the recipe path."
   exit 1
fi


ROOT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"


# Start Helm local repo if there isn't one
HELM_REPO_PID=$(ps -x | grep  "helm serve" | grep -v "grep" | awk '{print $1}')
if [ -z "$HELM_REPO_PID" ]; then
    nohup helm serve >& /dev/null &
fi

# Package ric-common and serve it using Helm local repo
HELM_HOME=$(helm home)
COMMON_CHART_VERSION=$(cat $ROOT_DIR/../ric-common/Common-Template/helm/ric-common/Chart.yaml | grep version | awk '{print $2}')
helm package -d /tmp $ROOT_DIR/../ric-common/Common-Template/helm/ric-common
cp /tmp/ric-common-$COMMON_CHART_VERSION.tgz $HELM_HOME/repository/local/
helm repo index $HELM_HOME/repository/local/


# Make sure that helm local repo is added
helm repo remove local
helm repo add local http://127.0.0.1:8879/charts




TEMP_DIR=/tmp
rm -rf $TEMP_DIR/imagelist
touch $TEMP_DIR/imagelist
CHART_ARRAY=()
while IFS= read -r -d $'\0'; do
    CHART_ARRAY+=("$REPLY")
done < <(find $ROOT_DIR/../ -name Chart.yaml -printf '%h\0')


echo "***************************************"



for dir in "${CHART_ARRAY[@]}"
do
  
    echo "Analyzing Chart $(echo $dir | awk '{n=split($0, a, "/"); print a[n]}')"    
    echo $dir 

    #helm dep up $dir > /dev/null 2>&1
    helm dep up $dir 
    
    IMAGE_ARRAY=$(helm template -f $OVERRIDEYAML $dir | grep "image:" | awk '{ gsub(/.*image: /, "", $0); gsub(/"/, "", $0); print $0}' )
    

    for f in $IMAGE_ARRAY; do
	if [ ! -z $f ]; then
	    FOUND=$(grep $f $TEMP_DIR/imagelist)
	    if [ -z $FOUND ]; then
		echo "Found unique docker image $f."
                echo $f >> $TEMP_DIR/imagelist
	    fi
	fi
    done

    echo "***************************************"
done



echo "Your image list is available here: $TEMP_DIR/imagelist"