Merge branch 'ib-image-script' into 'master'

Add script to identify if newer images are available in iron bank

See merge request platform-one/big-bang/bigbang!450

scripts/latest.sh

+#!/bin/bash
+
+# This script looks at all the deployed images from iron bank and identifies if the 
+# currently deployed version is the latest in IronBank.  Could be used as part of CI
+# or as general awareness for development
+
+# Needs crane( https://github.com/google/go-containerregistry/tree/main/cmd/crane )
+# to be configured before hand via
+
+# crane auth login -p ${REGISTRY1_CREDENTIALS} -u ${REGISTRY1_USER} registry1.dso.mil
+
+images=`kubectl get pods -A -o jsonpath="{..image}" | tr -s '[[:space:]]' '\n' | sort | uniq -c | grep "registry1" | awk '{ print $2 }'`
+
+
+for i in $images
+do
+    image=`echo "$i" | awk '{split($0,a,":"); print a[1] }'`
+    tag=`echo "$i" | awk '{split($0,a,":"); print a[2] }'`
+
+    upstream_tag=`crane ls $image | grep -v "latest" | sort -r | head -n1`
+    
+    if [[ "$tag" != "$upstream_tag" ]]
+    then
+        echo "Update for $image:  $tag ---->  $upstream_tag"
+    fi
+done
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