[terraform/upgrade-modules] Update all module sources to latest version

bin/upgrade_terraform_modules.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+
+function github_latest_release() {
+  local org=$1
+  local repo=$2
+  local ref=$(curl -sSL https://api.github.com/repos/$org/$repo/releases/latest | jq .tag_name -r)
+  if [ $? -eq 0 ]; then
+    echo $ref
+  fi
+}
+
+function upgrade_modules() {
+  local file=$1
+  echo "Processing $file..."
+  for source in $(json2hcl -reverse < $file | jq -r '.module | .[][] | first | .source' 2>/dev/null); do
+    if [[ $source =~ github.com/ ]]; then
+      echo "[GITHUB]: $source"
+      if [[ $source =~ github.com/(.*?)/(.*?)\.git ]]; then
+        org="${BASH_REMATCH[1]}"
+        repo="${BASH_REMATCH[2]}"
+      fi
+      if [[ $source =~ \?ref=([0-9.]+) ]]; then
+        ref="${BASH_REMATCH[1]}"
+      fi
+      if [[ $source =~ \?ref=tags/([0-9.]+) ]]; then
+        ref="${BASH_REMATCH[1]}"
+      fi
+
+      if [ -z "$org" ] || [ -z "$repo" ] || [ -z "$ref" ]; then
+        echo " - Failed to parse module source (org: $org, repo: $repo, ref: $ref)"
+      else
+        latest_ref=$(github_latest_release "$org" "$repo")
+        latest_source="git::https://github.com/$org/$repo.git?ref=tags/$latest_ref"
+        if [ "$latest_source" == "$source" ]; then
+          echo " - Current: $ref"
+        else
+          echo " - Latest: $ref -> ${latest_ref}"
+          echo " - Source: $latest_source"
+          sed -i"" "s,$source,$latest_source,g" "$file"
+        fi
+      fi
+    else
+      echo "[SKIPPED]: $source"
+    fi
+  done
+}
+
+files=""
+if [ $# -eq 0 ]; then
+  echo "Usage: $0 [all|file1.tf...fileN.tf]"
+  exit 1
+elif [ $1 == "all" ]; then
+  files=$(find . -type f -name '*.tf')
+else
+  files="$*"
+fi
+
+for file in $files; do
+  upgrade_modules $file
+done
+

modules/terraform/Makefile

@@ -30,3 +30,7 @@ terraform/validate:
 terraform/lint:
 	@FAIL=`$(TERRAFORM) fmt -write=false | xargs --no-run-if-empty -n 1 printf '\t- %s\n'`; \
 	[ -z "$$FAIL" ] || (echo "Terraform configuration needs linting. Run '$(TERRAFORM) fmt'"; echo $$FAIL; exit 1)
+
+## Upgrade all terraform module sources
+terraform/upgrade-modules:
+	@$(BUILD_HARNESS_PATH)/bin/upgrade_terraform_modules.sh all