adds validation for eks-d releases file

Makefile

@@ -103,7 +103,7 @@ generate-staging-buildspec:
 generate: generate-project-list generate-staging-buildspec
 
 .PHONY: validate-generated
-validate-generated: generate
+validate-generated: generate validate-eksd-releases
 	@if [ "$$(git status --porcelain -- UPSTREAM_PROJECTS.yaml release/staging-build.yml release/checksums-build.yml **/batch-build.yml | wc -l)" -gt 0 ]; then \
 		echo "Error: Generated files, UPSTREAM_PROJECTS.yaml release/staging-build.yml release/checksums-build.yml batch-build.yml, do not match expected. Please run `make generate` to update"; \
 		git diff -- UPSTREAM_PROJECTS.yaml release/staging-build.yml release/checksums-build.yml **/batch-build.yml; \
@@ -118,3 +118,7 @@ check-project-path-exists:
 	else \
 		echo "true"; \
 	fi
+
+.PHONY: validate-eksd-releases
+validate-eksd-releases:
+	build/lib/validate_eksd_releases.sh

build/lib/validate_eksd_releases.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+# Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
+#
+# 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.
+
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+SCRIPT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
+
+source "${SCRIPT_ROOT}/eksd_releases.sh"
+
+FAILED=0
+for release_branch in $(cat $SCRIPT_ROOT/../../release/SUPPORTED_RELEASE_BRANCHES); do
+    YAML_URL=$(build::eksd_releases::get_release_yaml_url $release_branch)
+    HTTP_CODE=$(curl -I -L -s -o /dev/null -w "%{http_code}" $YAML_URL)
+    if [[ "$HTTP_CODE" != "200" ]]; then
+        echo "EKS-D manifest does not exist: $YAML_URL"
+        FAILED=1
+        continue
+    fi   
+
+    build::eksd_releases::load_release_yaml $release_branch > /dev/null
+    COMPONENT_VERSION=$(build::eksd_releases::get_eksd_component_version "kubernetes" $release_branch)
+    COMPONENT_VERSION_FROM_YAML=$(yq e ".releases[] | select(.branch==\"${release_branch}\").kubeVersion" $SCRIPT_ROOT/../../EKSD_LATEST_RELEASES)
+
+    if [[ "$COMPONENT_VERSION" != "$COMPONENT_VERSION_FROM_YAML" ]]; then
+        echo "kubeVersion: $COMPONENT_VERSION_FROM_YAML does not match version from EKS-D release manifest: $COMPONENT_VERSION"
+        FAILED=1
+    fi
+done
+
+if [[ "$FAILED" == "0" ]]; then
+    echo "All EKS-D versions validated!"
+fi
+exit $FAILED