chore(cd): add http2 smoke test (#10454)

This PR adds a simple smoke test to check if the HTTP/2 listening port can respond with valid response data.

KAG-854

.github/workflows/release.yml

@@ -492,6 +492,7 @@ jobs:
 
     env:
       KONG_ADMIN_URI: http://localhost:8001
+      KONG_ADMIN_HTTP2_URI: https://localhost:8444
       KONG_PROXY_URI: http://localhost:8000
 
     steps:
@@ -507,9 +508,9 @@ jobs:
       # always pull the latest image to ensure we're testing the latest version.
       run: |
         docker run \
-          -p 8000:8000 -p 8001:8001 \
+          -p 8000:8000 -p 8001:8001 -p 8444:8444\
           -e KONG_PG_PASSWORD=kong \
-          -e KONG_ADMIN_LISTEN=0.0.0.0:8001 \
+          -e KONG_ADMIN_LISTEN="0.0.0.0:8001, 0.0.0.0:8444 ssl http2" \
           -e KONG_ANONYMOUS_REPORTS=off \
           --name kong \
           --restart always \
@@ -530,6 +531,11 @@ jobs:
         VERBOSE: ${{ runner.debug == '1' && '1' || '' }}
       run: build/tests/02-admin-api.sh
 
+    - name: Smoke Tests - HTTP2 Admin API
+      env:
+        VERBOSE: ${{ runner.debug == '1' && '1' || '' }}
+      run: build/tests/03-http2-admin-api.sh
+
   release-packages:
     name: Release Packages - ${{ matrix.label }} - ${{ needs.metadata.outputs.release-desc }}
     needs: [metadata, build-packages, build-images, smoke-tests]

build/tests/03-http2-admin-api.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+if [ -n "${VERBOSE:-}" ]; then
+    set -x
+fi
+
+source .requirements
+source build/tests/util.sh
+
+kong_ready
+
+msg_test "Check if cURL supports HTTP/2"
+if ! curl --version | grep -i "http2" > /dev/null; then
+  err_exit " local cURL does not support HTTP/2"
+fi
+
+msg_test "Check HTTP/2 Admin API response is valid"
+admin_api_http2_validity

build/tests/util.sh

@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 
 KONG_ADMIN_URI=${KONG_ADMIN_URI:-"http://localhost:8001"}
+KONG_ADMIN_HTTP2_URI=${KONG_ADMIN_HTTP2_URI:-"https://localhost:8444"}
 KONG_PROXY_URI=${KONG_PROXY_URI:-"http://localhost:8000"}
 
 set_x_flag=''
@@ -78,6 +79,24 @@ alpine() {
   _os 'alpine'
 }
 
+assert_same() {
+  local expected=$(echo "$1" | tr -d '[:space:]')
+  local actual=$(echo "$2" | tr -d '[:space:]')
+
+  if [ "$expected" != "$actual" ]; then
+    err_exit "  expected $expected, got $actual"
+  fi
+}
+
+assert_contains() {
+  local expected=$(echo "$1" | tr -d '[:space:]')
+  local actual="$2"
+
+  if ! echo "$actual" | grep -q "$expected"; then
+    err_exit "  expected $expected in $actual but not found"
+  fi
+}
+
 assert_response() {
   local endpoint=$1
   local expected_codes=$2
@@ -135,3 +154,21 @@ it_runs_full_enterprise() {
   msg_test "workspaces are writable"
   assert_response "$KONG_ADMIN_URI/workspaces -d name=$(random_string)" "201"
 }
+
+admin_api_http2_validity() {
+  output=$(mktemp)
+  header_dump=$(mktemp)
+  status=$(curl -ks -D "$header_dump" -o "$output" -w '%{http_code}' "$KONG_ADMIN_HTTP2_URI")
+
+  msg_test "it returns with response status code 200"
+  assert_same "200" "$status"
+
+  msg_test "it returns with response header content-type application/json"
+  assert_contains "application/json" "$(cat "$header_dump" | grep -i content-type | tr -d '[:space:]')"
+
+  msg_test "it returns a response body with correct length"
+  assert_same "$(wc -c < "$output")" "$(cat "$header_dump" | grep -i content-length | cut -d' ' -f2 | tr -d '[:space:]')"
+
+  msg_test "the response body is valid json and has valid json schema"
+  jq . "$output" > /dev/null || err_exit "  response body is not valid json"
+}