refactor: buildkite: store architecture per instance

Store whether a given instances is x86 or arm

Signed-off-by: Patrick Roy <[email protected]>

Author: roypat

.buildkite/common.py

@@ -13,14 +13,14 @@
 import subprocess
 from pathlib import Path
 
-DEFAULT_INSTANCES = [
-    "c5n.metal",  # Intel Skylake
-    "m5n.metal",  # Intel Cascade Lake
-    "m6i.metal",  # Intel Icelake
-    "m6a.metal",  # AMD Milan
-    "m6g.metal",  # Graviton2
-    "m7g.metal",  # Graviton3
-]
+DEFAULT_INSTANCES = {
+    "c5n.metal": "x86_64",  # Intel Skylake
+    "m5n.metal": "x86_64",  # Intel Cascade Lake
+    "m6i.metal": "x86_64",  # Intel Icelake
+    "m6a.metal": "x86_64",  # AMD Milan
+    "m6g.metal": "aarch64",  # Graviton2
+    "m7g.metal": "aarch64",  # Graviton3
+}
 
 DEFAULT_PLATFORMS = [
     ("al2", "linux_5.10"),
@@ -146,7 +146,7 @@ def __call__(self, parser, namespace, value, option_string=None):
     "--instances",
     required=False,
     nargs="+",
-    default=DEFAULT_INSTANCES,
+    default=DEFAULT_INSTANCES.keys(),
 )
 COMMON_PARSER.add_argument(
     "--platforms",

.buildkite/pipeline_cpu_template.py

@@ -34,7 +34,7 @@ class BkStep(str, Enum):
             "tools/devtool -y test --no-build -- -m no_block_pr integration_tests/functional/test_cpu_template_helper.py -k test_guest_cpu_config_change",
         ],
         BkStep.LABEL: "🖐️ fingerprint",
-        "instances": DEFAULT_INSTANCES,
+        "instances": DEFAULT_INSTANCES.keys(),
         "platforms": DEFAULT_PLATFORMS,
     },
     "cpuid_wrmsr": {