Revert "ci: Move ASan USDT to persistent_worker"

This reverts commit fabaa85.

.cirrus.yml

@@ -14,24 +14,8 @@ cirrus_ephemeral_worker_template_env: &CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
 persistent_worker_template_env: &PERSISTENT_WORKER_TEMPLATE_ENV
   RESTART_CI_DOCKER_BEFORE_RUN: "1"
 
-# https://cirrus-ci.org/guide/persistent-workers/
-#
-# It is possible to select a specific persistent worker by label. Refer to the
-# Cirrus CI docs for more details.
-#
-# Generally, a persistent worker must run Ubuntu 23.04+ or Debian 12+.
-# Specifically,
-# - apt-get is required due to PACKAGE_MANAGER_INSTALL
-# - podman-docker-4.1+ is required due to the use of `podman` when
-#   RESTART_CI_DOCKER_BEFORE_RUN is set and 4.1+ due to the bugfix in 4.1
-#   (https://github.com/bitcoin/bitcoin/pull/21652)
-# - The ./ci/ depedencies should be installed:
-#   apt update && apt install screen python3 bash podman-docker curl -y
-#
-# The following specific types should exist, with the following requirements:
-# - noble: For a machine running the Linux kernel shipped with exaclty Ubuntu Noble 24.04. The machine is recommended to have 4 CPUs and 16 GB of memory.
 persistent_worker_template: &PERSISTENT_WORKER_TEMPLATE
-  persistent_worker: {}  # Only use this if the task does not care about the type at all
+  persistent_worker: {}  # https://cirrus-ci.org/guide/persistent-workers/
 
 # https://cirrus-ci.org/guide/tips-and-tricks/#sharing-configuration-between-tasks
 filter_template: &FILTER_TEMPLATE
@@ -185,12 +169,21 @@ task:
     # so any settings will need to be written to the settings env file:
     - sed -i "s|\${CIRRUS_CI}|true|g" ./ci/test/00_setup_env_native_asan.sh
   << : *GLOBAL_TASK_TEMPLATE
-  persistent_worker:
-    labels:
-      type: noble  # Must use this specific worker (needed for USDT functional tests)
+  # We can't use a 'container' for the USDT interface tests as the CirrusCI
+  # containers don't have privileges to hook into bitcoind. CirrusCI uses
+  # Google Compute Engine instances: https://cirrus-ci.org/guide/custom-vms/
+  # Images can be found here: https://cloud.google.com/compute/docs/images/os-details
+  compute_engine_instance:
+    image_project: ubuntu-os-cloud
+    image: family/ubuntu-2404-amd64 # https://cirrus-ci.org/guide/custom-vms/#custom-compute-engine-vms
+    cpu: 4
+    disk: 100
+    memory: 12G
   env:
-    << : *PERSISTENT_WORKER_TEMPLATE_ENV
+    << : *CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
+    HOME: /root/  # Only needed for compute_engine_instance
     FILE_ENV: "./ci/test/00_setup_env_native_asan.sh"
+    MAKEJOBS: "-j4"  # Avoid excessive memory use
 
 task:
   name: 'fuzzer,address,undefined,integer, no depends'