Add version scan GitHub action

.github/workflows/versions.yaml

@@ -0,0 +1,31 @@
+name: Update versions.md
+
+on:
+  push:
+    branches:
+      - version_scan
+
+jobs:
+  update_versions:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: setup-helmfile
+        uses: mamezou-tech/setup-helmfile@v1.2.0
+        with:
+          install-helm-plugins: no
+          install-kubectl: no
+
+      - name: Update versions.md
+        run: bin/version_scan
+
+      - name: Commit and push if versions.md changed
+        run: |
+          git diff
+          git config --global user.email "actions@github.com"
+          git config --global user.name "GitHub Action"
+          git commit -am "Update versions.md" || exit 0
+          git push

bin/version_scan

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+#!/usr/bin/env bash
+
+cd "$(dirname "${BASH_SOURCE[0]}")/.."
+
+# Initialize a RADAR-base deployment where all components are installed.
+yes | ./bin/init
+sed -i '/_install: /s/false/true/' etc/production.yaml
+
+helmfile template | grep -E "helm.sh/chart:|image:|containers:|initContainers:" | uniq | sed -r "s/\s+//g" | sed "s/\"//g" | sed -r "s/^-//g" > /tmp/helmfile.txt
+
+declare -A container
+declare -A init
+
+for line in $(cat /tmp/helmfile.txt); do
+  if [[ $line == *"chart:"* ]]; then
+    chart=$(echo $line | sed -r "s/helm.*chart://g")
+  elif [[ $line == *"containers:"* ]]; then
+    containerType=container
+  elif [[ $line == *"initContainers:"* ]]; then
+    containerType=init
+  elif [[ $line == *"image:"* ]]; then
+    image=$(echo $line | sed "s/image://g")
+    if [ $containerType == "container" ]; then
+      if [ -z "${container[$image]}" ]; then
+        container[$image]=$chart
+      else
+        container[$image]=${container[$image]},$chart
+      fi
+    elif [ -z "${init[$image]}" ]; then
+      init[$image]=$chart
+    else
+      init[$image]=${init[$image]},$chart
+    fi
+  fi
+done
+
+touch versions.md
+echo "# Versions" > versions.md
+echo >> versions.md
+echo " This file is automatically generated (by the [version_scan](bin/version_scan) script). Do not edit manually." >> versions.md
+echo >> versions.md
+
+echo "## Helm Charts" >> versions.md
+echo "| Chart | Version |" >> versions.md
+echo "| :----- | :----- |" >> versions.md
+charts=$(echo ${container[@]} | tr "," " " | tr " " "\n" | sort -u)
+for chart in $charts; do
+  chartName=${chart%-*}
+  chartVersion=${chart##*-}
+  echo "| $chartName | $chartVersion |" >> versions.md
+done
+
+echo  >> versions.md
+
+echo "## Containers" >> versions.md
+echo "| Image | Helm Charts |" >> versions.md
+echo "| :----- | :----- |" >> versions.md
+images=$(echo ${!container[@]} | tr " " "\n" | sort -u)
+for key in $images; do
+  charts=$(echo ${container[$key]} | tr "," "\n" | sort -u | tr "\n" "," | sed "s/,/<br>/g" | sed "s/<br>$//g")
+  echo "| $key | $charts |" >> versions.md
+done
+
+echo  >> versions.md
+
+echo "## Init Containers" >> versions.md
+echo "| Image | Helm Charts |" >> versions.md
+echo "| :----- | :----- |" >> versions.md
+for key in "${!init[@]}"; do
+  charts=$(echo ${init[$key]} | tr "," "\n" | sort -u | tr "\n" "," | sed "s/,/<br>/g" | sed "s/<br>$//g")
+  echo "| $key | $charts |" >> versions.md
+done