[CI] Add AMI id to instance info on builds (#17649)

ci/build_windows.py

@@ -221,6 +221,9 @@ def main():
     logging.getLogger().setLevel(logging.INFO)
     logging.basicConfig(format='%(asctime)-15s %(message)s')
     logging.info("MXNet Windows build helper")
+    instance_info = ec2_instance_info()
+    if instance_info:
+        logging.info("EC2: %s", instance_info)
 
     parser = argparse.ArgumentParser()
     parser.add_argument("-o", "--output",

ci/util.py

@@ -96,18 +96,19 @@ def under_ci() -> bool:
 
 def ec2_instance_info() -> str:
     import requests
+    urls = [
+            "http://instance-data/latest/meta-data/instance-type",
+            "http://instance-data/latest/meta-data/instance-id",
+            "http://instance-data/latest/meta-data/public-hostname",
+            "http://instance-data/latest/meta-data/ami-id"
+    ]
     if under_ci():
         result = []
         try:
-            r = requests.get("http://instance-data/latest/meta-data/instance-type")
-            if r.status_code == 200:
-                result.append(r.content.decode())
-            r = requests.get("http://instance-data/latest/meta-data/instance-id")
-            if r.status_code == 200:
-                result.append(r.content.decode())
-            r = requests.get("http://instance-data/latest/meta-data/public-hostname")
-            if r.status_code == 200:
-                result.append(r.content.decode())
+            for url in urls:
+                r = requests.get(url)
+                if r.status_code == 200:
+                    result.append(r.content.decode())
             return ' '.join(result)
         except ConnectionError:
             pass