scripts: enable C++ module examples

Fixes project-oak#1009

cloudbuild.yaml

@@ -84,10 +84,17 @@ steps:
     entrypoint: 'bash'
     args: ['./scripts/run_examples', '-s', 'base']
 
+  - name: 'gcr.io/oak-ci/oak:latest'
+    id: run_examples_cpp
+    waitFor: ['run_examples']
+    timeout: 60m
+    entrypoint: 'bash'
+    args: ['./scripts/run_examples', '-s', 'base', '-l', 'cpp']
+
   # Run clang-tidy after the examples finish running, since they share the same `output_base`.
   - name: 'gcr.io/oak-ci/oak:latest'
     id: run_clang_tidy
-    waitFor: ['run_examples']
+    waitFor: ['run_examples_cpp']
     timeout: 30m
     entrypoint: 'bash'
     args: ['./scripts/run_clang_tidy']
@@ -96,7 +103,7 @@ steps:
   # ignored by git.
   - name: 'gcr.io/oak-ci/oak:latest'
     id: git_check_diff
-    waitFor: ['git_init', 'run_clang_tidy', 'run_examples']
+    waitFor: ['git_init', 'run_clang_tidy', 'run_examples_cpp']
     timeout: 5m
     entrypoint: 'bash'
     args: ['./scripts/git_check_diff']

scripts/run_examples

@@ -37,8 +37,7 @@ done
 # Run all examples.
 for language in ${languages}; do
   # TODO(#594): Re-enable rustfmt when upstream rustc internal error is fixed.
-  # TODO(#1009): Re-enable C++ tensorflow example after supporting them with Rust Oak Loader.
-  examples="$(find examples -mindepth 2 -maxdepth 4 -type d -regex '.*/module.*/'"${language}"'$' | cut -d'/' -f2 | uniq | grep -v rustfmt | grep -v tensorflow)"
+  examples="$(find examples -mindepth 2 -maxdepth 4 -type d -regex '.*/module.*/'"${language}"'$' | cut -d'/' -f2 | uniq | grep -v rustfmt)"
   for example in ${examples}; do
     if [[ "${example}" == "chat" ]]; then
         "${SCRIPTS_DIR}/run_example" -s "${server}" -l "${language}" -e chat -- --test