ci: switch runners from cirrus to warpbuild

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ concurrency:
 
 env:
   CI_FAILFAST_TEST_LEAVE_DANGLING: 1  # GHA does not care about dangling processes and setting this variable avoids killing the CI script itself on error
-  REPO_USE_CIRRUS_RUNNERS: 'bitcoin/bitcoin' # Use cirrus runners for this repo, instead of falling back to the slow GHA runners
+  REPO_USE_WARP_RUNNERS: 'bitcoin/bitcoin' # Use warp runners for this repo, instead of falling back to the slow GHA runners
 
 defaults:
   run:
@@ -46,9 +46,9 @@ jobs:
           fi
       - id: runners
         run: |
-          if [[ "${REPO_USE_CIRRUS_RUNNERS}" == "${{ github.repository }}" ]]; then
+          if [[ "${REPO_USE_WARP_RUNNERS}" == "${{ github.repository }}" ]]; then
-            echo "provider=cirrus" >> "$GITHUB_OUTPUT"
+            echo "provider=warp" >> "$GITHUB_OUTPUT"
-            echo "::notice title=Runner Selection::Using Cirrus Runners"
+            echo "::notice title=Runner Selection::Using Warp Runners"
           else
             echo "provider=gha" >> "$GITHUB_OUTPUT"
             echo "::notice title=Runner Selection::Using GitHub-hosted runners"
@@ -57,7 +57,7 @@ jobs:
   test-each-commit:
     name: 'test ancestor commits'
     needs: runners
-    runs-on: ${{ needs.runners.outputs.provider == 'cirrus' && 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-md' || 'ubuntu-24.04' }}
+    runs-on: ${{ needs.runners.outputs.provider == 'warp' && 'warp-ubuntu-latest-x64-8x' || 'ubuntu-24.04' }}
     env:
       TEST_RUNNER_PORT_MIN: "14000"  # Use a larger port range to avoid colliding with other CI services.
     if: github.event_name == 'pull_request' && github.event.pull_request.commits != 1
@@ -325,7 +325,7 @@ jobs:
   windows-cross:
     name: 'Windows-cross to x86_64, ${{ matrix.crt }}'
     needs: [runners, record-frozen-commit]
-    runs-on: ${{ needs.runners.outputs.provider == 'cirrus' && 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-sm' || 'ubuntu-24.04' }}
+    runs-on: ${{ needs.runners.outputs.provider == 'warp' && 'warp-ubuntu-latest-x64-4x' || 'ubuntu-24.04' }}
     if: ${{ vars.SKIP_BRANCH_PUSH != 'true' || github.event_name == 'pull_request' }}
 
     strategy:
@@ -434,7 +434,7 @@ jobs:
   ci-matrix:
     name: ${{ matrix.name }}
     needs: runners
-    runs-on: ${{ needs.runners.outputs.provider == 'cirrus' && matrix.cirrus-runner || matrix.fallback-runner }}
+    runs-on: ${{ needs.runners.outputs.provider == 'warp' && matrix.warp-runner || matrix.fallback-runner }}
     if: ${{ vars.SKIP_BRANCH_PUSH != 'true' || github.event_name == 'pull_request' }}
     timeout-minutes: ${{ matrix.timeout-minutes }}
 
@@ -447,92 +447,92 @@ jobs:
       matrix:
         include:
           - name: 'iwyu'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-md'
+            warp-runner: 'warp-ubuntu-latest-x64-8x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_native_iwyu.sh'
 
           - name: '32 bit ARM'
-            cirrus-runner: 'ubuntu-24.04-arm' # Cirrus' Arm runners are Apple (with virtual Linux aarch64), which doesn't support 32-bit mode
+            warp-runner: 'ubuntu-24.04-arm' # Warp's Arm runners don't support 32-bit mode currently
             fallback-runner: 'ubuntu-24.04-arm'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_arm.sh'
             provider: 'gha'
 
           - name: 'ASan + LSan + UBSan + integer'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-md' # has to match container in ci/test/00_setup_env_native_asan.sh for tracing tools
+            warp-runner: 'warp-ubuntu-2404-x64-8x' # has to match container in ci/test/00_setup_env_native_asan.sh for tracing tools
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_native_asan.sh'
 
           - name: 'macOS-cross to arm64'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-sm'
+            warp-runner: 'warp-ubuntu-latest-x64-4x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_mac_cross.sh'
 
           - name: 'macOS-cross to x86_64'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-sm'
+            warp-runner: 'warp-ubuntu-latest-x64-4x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_mac_cross_intel.sh'
 
           - name: 'FreeBSD Cross'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-md'
+            warp-runner: 'warp-ubuntu-latest-x64-8x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_freebsd_cross.sh'
 
           - name: 'No wallet'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-sm'
+            warp-runner: 'warp-ubuntu-latest-x64-4x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_native_nowallet.sh'
 
           - name: 'i686, no IPC'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-md'
+            warp-runner: 'warp-ubuntu-latest-x64-8x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_i686_no_ipc.sh'
 
           - name: 'fuzzer,address,undefined,integer'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-lg'
+            warp-runner: 'warp-ubuntu-latest-x64-16x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 240
             file-env: './ci/test/00_setup_env_native_fuzz.sh'
 
           - name: 'previous releases'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-md'
+            warp-runner: 'warp-ubuntu-latest-x64-8x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_native_previous_releases.sh'
 
           - name: 'Alpine (musl)'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-md'
+            warp-runner: 'warp-ubuntu-latest-x64-8x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_native_alpine_musl.sh'
 
           - name: 'tidy'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-md'
+            warp-runner: 'warp-ubuntu-latest-x64-8x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_native_tidy.sh'
 
           - name: 'TSan'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-md'
+            warp-runner: 'warp-ubuntu-latest-x64-8x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_native_tsan.sh'
 
           - name: 'MSan, fuzz'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-md'
+            warp-runner: 'warp-ubuntu-latest-x64-8x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 150
             file-env: './ci/test/00_setup_env_native_fuzz_with_msan.sh'
 
           - name: 'MSan'
-            cirrus-runner: 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-lg'
+            warp-runner: 'warp-ubuntu-latest-x64-16x'
             fallback-runner: 'ubuntu-24.04'
             timeout-minutes: 120
             file-env: './ci/test/00_setup_env_native_msan.sh'
@@ -576,7 +576,7 @@ jobs:
   lint:
     name: 'lint'
     needs: runners
-    runs-on: ${{ needs.runners.outputs.provider == 'cirrus' && 'ghcr.io/cirruslabs/ubuntu-runner-amd64:24.04-xs' || 'ubuntu-24.04' }}
+    runs-on: ${{ needs.runners.outputs.provider == 'warp' && 'warp-ubuntu-latest-x64-2x' || 'ubuntu-24.04' }}
     if: ${{ vars.SKIP_BRANCH_PUSH != 'true' || github.event_name == 'pull_request' }}
     timeout-minutes: 20
     env:

ci/README.md

@@ -80,8 +80,8 @@ trigger cache-invalidation and rebuilds as necessary.
 
 To configure the primary repository, follow these steps:
 
-1. Register with [Cirrus Runners](https://cirrus-runners.app/) and purchase runners.
+1. Register with [WarpBuild](https://www.warpbuild.com/) and purchase runners.
-2. Install the Cirrus Runners GitHub app against the GitHub organization.
+2. Install the WarpBuild GitHub app against the GitHub organization.
 3. Enable organisation-level runners to be used in public repositories:
    1. `Org settings -> Actions -> Runner Groups -> Default -> Allow public repos`
 4. Permit the following actions to run:
@@ -95,5 +95,5 @@ To configure the primary repository, follow these steps:
 When used in a fork the CI will run on GitHub's free hosted runners by default.
 In this case, GitHub's cache size limitations may cause caches to be frequently evicted and missed, but the workflows will run (slowly).
 
-It is also possible to use your own Cirrus Runners in your own fork with an appropriate patch to the `REPO_USE_CIRRUS_RUNNERS` variable in ../.github/workflows/ci.yml
+It is also possible to use your own WarpBuild Runners in your own fork with an appropriate patch to the `REPO_USE_WARP_RUNNERS` variable in ../.github/workflows/ci.yml
-NB that Cirrus Runners only work at an organisation level, therefore in order to use your own Cirrus Runners, *the fork must be within your own organisation*.
+NB that WarpBuild Runners only work at an organisation level, therefore in order to use your own WarpBuild Runners, *the fork must be within your own organisation*.