Workaround missing aws CLI on self-hosted runners by running the Cloud tests on GH runners (#10977)

- Followup of #10964
- I assumed `aws` CLI is available, because it is on GH runners. But we are running on self-hosted by default.
- Ideally we should make the CLI available there and switch back.
- But for now, trying to run on the GH runner.

.github/workflows/extra-nightly-tests.yml

@@ -44,11 +44,6 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - run: ./run backend test std-snowflake
         env:
-          ENSO_CLOUD_COGNITO_REGION: ${{ secrets.ENSO_CLOUD_COGNITO_REGION }}
-          ENSO_CLOUD_COGNITO_USER_POOL_ID: ${{ secrets.ENSO_CLOUD_COGNITO_USER_POOL_ID }}
-          ENSO_CLOUD_COGNITO_USER_POOL_WEB_CLIENT_ID: ${{ secrets.ENSO_CLOUD_COGNITO_USER_POOL_WEB_CLIENT_ID }}
-          ENSO_CLOUD_TEST_ACCOUNT_PASSWORD: ${{ secrets.ENSO_CLOUD_TEST_ACCOUNT_PASSWORD }}
-          ENSO_CLOUD_TEST_ACCOUNT_USERNAME: ${{ secrets.ENSO_CLOUD_TEST_ACCOUNT_USERNAME }}
           ENSO_SNOWFLAKE_ACCOUNT: ${{ secrets.ENSO_SNOWFLAKE_ACCOUNT }}
           ENSO_SNOWFLAKE_DATABASE: ${{ secrets.ENSO_SNOWFLAKE_DATABASE }}
           ENSO_SNOWFLAKE_PASSWORD: ${{ secrets.ENSO_SNOWFLAKE_PASSWORD }}
@@ -81,10 +76,9 @@ jobs:
     permissions:
       checks: write
   enso-build-ci-gen-job-standard-library-tests-graal-vm-ce-linux-amd64:
-    name: Standard Library Tests (GraalVM CE) (linux, amd64)
+    name: Standard Library Tests (GraalVM CE) (LinuxLatest)
     runs-on:
-      - self-hosted
-      - Linux
+      - ubuntu-latest
     steps:
       - if: startsWith(runner.name, 'GitHub Actions') || startsWith(runner.name, 'Hosted Agent')
         name: Installing wasm-pack

build/build/src/ci_gen.rs

@@ -707,7 +707,7 @@ pub fn extra_nightly_tests() -> Result<Workflow> {
 
     // We run the extra tests only on Linux, as they should not contain any platform-specific
     // behavior.
-    let target = (OS::Linux, Arch::X86_64);
+    let target = PRIMARY_TARGET;
     workflow.add(target, job::SnowflakeTests {});
     workflow.add(target, job::StandardLibraryTests {
         graal_edition:       graalvm::Edition::Community,

build/build/src/ci_gen/job.rs

@@ -245,8 +245,8 @@ impl JobArchetype for StandardLibraryTests {
         let graal_edition = self.graal_edition;
         let should_enable_cloud_tests = self.cloud_tests_enabled;
         let job_name = format!("Standard Library Tests ({graal_edition})");
-        let mut job = RunStepsBuilder::new("backend test standard-library")
-            .customize(move |step| {
+        let run_steps_builder =
+            RunStepsBuilder::new("backend test standard-library").customize(move |step| {
                 let main_step = step
                     .with_secret_exposed_as(
                         secret::ENSO_LIB_S3_AWS_REGION,
@@ -268,9 +268,14 @@ impl JobArchetype for StandardLibraryTests {
                 };
 
                 vec![updated_main_step, step::stdlib_test_reporter(target, graal_edition)]
-            })
-            .build_job(job_name, target)
-            .with_permission(Permission::Checks, Access::Write);
+            });
+        let mut job = build_job_ensuring_cloud_tests_run_on_github(
+            run_steps_builder,
+            target,
+            &job_name,
+            should_enable_cloud_tests,
+        )
+        .with_permission(Permission::Checks, Access::Write);
         match graal_edition {
             graalvm::Edition::Community => job.env(env::GRAAL_EDITION, graalvm::Edition::Community),
             graalvm::Edition::Enterprise =>
@@ -288,6 +293,26 @@ impl JobArchetype for StandardLibraryTests {
     }
 }
 
+/** This is a temporary workaround.
+ *
+ * The Cloud tests preparation requires `aws` CLI to be installed on the machine.
+ * The GitHub hosted runners have it, but our self-hosted runners do not.
+ * To fix this we either need to modify self-hosted runners to provide the AWS CLI or change the
+ * way we prepare the Cloud tests to not require it.
+ */
+fn build_job_ensuring_cloud_tests_run_on_github(
+    run_steps_builder: RunStepsBuilder,
+    target: Target,
+    job_name: &str,
+    cloud_tests_enabled: bool,
+) -> Job {
+    if cloud_tests_enabled {
+        run_steps_builder.build_job(job_name, RunnerLabel::LinuxLatest)
+    } else {
+        run_steps_builder.build_job(job_name, target)
+    }
+}
+
 #[derive(Clone, Copy, Debug)]
 pub struct SnowflakeTests {}
 
@@ -324,10 +349,13 @@ impl JobArchetype for SnowflakeTests {
                         crate::libraries_tests::snowflake::env::ENSO_SNOWFLAKE_WAREHOUSE,
                     );
 
-                let updated_main_step = enable_cloud_tests(main_step);
+                // Temporarily disabled until we can get the Cloud auth fixed.
+                // Snowflake does not rely on cloud anyway, so it can be disabled.
+                // But it will rely once we add datalink tests, so this should be fixed soon.
+                // let updated_main_step = enable_cloud_tests(main_step);
 
                 vec![
-                    updated_main_step,
+                    main_step,
                     step::extra_stdlib_test_reporter(target, GRAAL_EDITION_FOR_EXTRA_TESTS),
                 ]
             })