CI: Replace Cirrus CI with paid AWS CodeBuild for Linux arm64 testing

.github/workflows/CI.yml

@@ -46,11 +46,12 @@ jobs:
       - name: Checkout Moka
         uses: actions/checkout@v4
 
-      # https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources
-      # 2-core CPU (x86_64), 7 GB of RAM
+      # https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners/about-github-hosted-runners#standard-github-hosted-runners-for-public-repositories
+      # x86_64, 4 vCPUs, 16 GB RAM
       - name: Show CPU into
         run: |
-          nproc
+          echo "nproc: $(nproc)"
+          free -m
           lscpu
 
       - name: Install Rust toolchain

.github/workflows/CIArm64.yml

@@ -0,0 +1,89 @@
+name: CI (Linux Arm64)
+
+on:
+  push:
+    paths-ignore:
+    - '.devcontainer/**'
+    - '.gitpod.yml'
+    - '.vscode/**'
+  pull_request:
+    paths-ignore:
+    - '.devcontainer/**'
+    - '.gitpod.yml'
+    - '.vscode/**'
+  schedule:
+    # Run against the last commit on the default branch on Friday at 8pm (UTC?)
+    - cron: '0 20 * * 5'
+
+jobs:
+  pre_job:
+    runs-on: ubuntu-latest
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        # https://github.com/marketplace/actions/skip-duplicate-actions
+        uses: fkirc/skip-duplicate-actions@v5
+        with:
+          concurrent_skipping: 'same_content'
+          do_not_skip: '["pull_request", "workflow_dispatch", "schedule"]'
+
+  test:
+    needs: pre_job
+    if: needs.pre_job.outputs.should_skip != 'true'
+
+    # Runs on AWS Graviton (arm64) runner at AWS CodeBuild.
+    # https://docs.aws.amazon.com/codebuild/latest/userguide/action-runner.html
+    # https://docs.aws.amazon.com/codebuild/latest/userguide/build-env-ref-compute-types.html
+    # arm64, 4 vCPUs, 8 GB RAM
+    runs-on: codebuild-moka-arm64-runner-${{ github.run_id }}-${{ github.run_attempt }}-arm-3.0-medium
+
+    steps:
+      - name: Checkout Moka
+        uses: actions/checkout@v4
+
+      - name: Show CPU into
+        run: |
+          echo "nproc: $(nproc)"
+          free -m
+          lscpu
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+
+      - name: Show cargo tree
+        run: cargo tree --features 'sync, future'
+
+      - name: Run tests (debug, sync feature)
+        run: cargo test --features sync
+        env:
+          RUSTFLAGS: '--cfg rustver --cfg skip_large_mem_tests'
+
+      - name: Run tests (release, sync feature)
+        run: cargo test --release --features sync
+        env:
+          RUSTFLAGS: '--cfg rustver --cfg skip_large_mem_tests'
+
+      - name: Run tests (sync feature, key lock test for notification)
+        run: cargo test --release --lib --features sync sync::cache::tests::test_key_lock_used_by_immediate_removal_notifications -- --exact --ignored
+
+      - name: Run tests (sync feature, drop value after eviction for sync::Cache)
+        run: cargo test --release --lib --features sync sync::cache::tests::drop_value_immediately_after_eviction -- --exact --ignored
+
+      - name: Run tests (sync feature, drop value after eviction for sync::SegmentedCache)
+        run: cargo test --release --lib --features sync sync::segment::tests::drop_value_immediately_after_eviction -- --exact --ignored
+
+      - name: Run tests (sync feature, drop cache)
+        run: cargo test --release --lib --features sync sync::cache::tests::ensure_gc_runs_when_dropping_cache -- --exact --ignored
+
+      - name: Run tests (future feature, but no sync feature)
+        run: cargo test --no-default-features --features 'future, atomic64, quanta'
+        env:
+          RUSTFLAGS: '--cfg skip_large_mem_tests'
+
+      - name: Run tests (future, sync and logging features)
+        run: cargo test --features 'future, sync, logging'
+        env:
+          RUSTFLAGS: '--cfg skip_large_mem_tests'

.github/workflows/Kani.yml

@@ -39,9 +39,9 @@ jobs:
 
       - name: Show CPU into
         run: |
-          nproc
-          lscpu
+          echo "nproc: $(nproc)"
           free -m
+          lscpu
 
       - name: Pin some dependencies to specific versions
         run: ./.ci_extras/pin-crate-vers-kani.sh

.vscode/settings.json

@@ -12,7 +12,6 @@
         "benmanes",
         "cfgs",
         "CHECKME",
-        "circleci",
         "CLFU",
         "clippy",
         "Codecov",

Cargo.toml

@@ -12,7 +12,7 @@ repository = "https://github.com/moka-rs/moka"
 keywords = ["cache", "concurrent"]
 categories = ["caching", "concurrency"]
 readme = "README.md"
-exclude = [".circleci", ".cirrus.yml", ".devcontainer", ".github", ".gitpod.yml", ".vscode"]
+exclude = [".devcontainer", ".github", ".gitpod.yml", ".vscode"]
 build = "build.rs"
 
 [features]

build.rs

@@ -3,10 +3,10 @@
 const ALLOWED_CFG_NAMES: &[&str] = &[
     "armv5te",
     "beta_clippy",
-    "circleci",
     "kani",
     "mips",
     "rustver",
+    "skip_large_mem_tests",
     "trybuild",
 ];
 

src/cht/segment.rs

@@ -1393,14 +1393,10 @@ mod tests {
                 NUM_VALUES - key_parents.iter().filter(|k| k.was_dropped()).count();
             let bucket_array_len = map.capacity() * 2;
             assert_eq!(bucket_array_len, map.num_segments() * 128 * 2);
-            if !cfg!(circleci) {
-                // TODO: FIXME: These assertions sometimes fail when cargo tarpaulin
-                // is used on Circle CI.
-                assert!(live_key_count <= bucket_array_len / 10);
+            assert!(live_key_count <= bucket_array_len / 10);
 
-                for this_value_parent in value_parents.iter() {
-                    assert!(this_value_parent.was_dropped());
-                }
+            for this_value_parent in value_parents.iter() {
+                assert!(this_value_parent.was_dropped());
             }
 
             for i in 0..NUM_VALUES {

src/future/base_cache.rs

@@ -2954,8 +2954,7 @@ mod tests {
             ensure_sketch_len(pot16 + 1, pot(17), "pot16 + 1").await;
 
             // The following tests will allocate large memory (~8GiB).
-            // Skip when running on Circle CI.
-            if !cfg!(circleci) {
+            if !cfg!(skip_large_mem_tests) {
                 // due to ceiling to next_power_of_two
                 ensure_sketch_len(pot30 - 1, pot30, "pot30- 1").await;
                 ensure_sketch_len(pot30, pot30, "pot30").await;

src/sync_base/base_cache.rs

@@ -2682,8 +2682,7 @@ mod tests {
             ensure_sketch_len(pot16 + 1, pot(17), "pot16 + 1");
 
             // The following tests will allocate large memory (~8GiB).
-            // Skip when running on Circle CI.
-            if !cfg!(circleci) {
+            if !cfg!(skip_large_mem_tests) {
                 // due to ceiling to next_power_of_two
                 ensure_sketch_len(pot30 - 1, pot30, "pot30- 1");
                 ensure_sketch_len(pot30, pot30, "pot30");