docs(samples): Samples for custom vm types (#155)

* chore(docs): Adding samples for Custom VM Types.

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>

packages/google-cloud-compute/samples/snippets/quickstart.py

@@ -21,6 +21,7 @@
 
 # [START compute_instances_create]
 # [START compute_instances_delete]
+import re
 import sys
 
 # [START compute_instances_list]
@@ -149,8 +150,10 @@ def create_instance(
     instance = compute_v1.Instance()
     instance.name = instance_name
     instance.disks = [disk]
-    full_machine_type_name = f"zones/{zone}/machineTypes/{machine_type}"
-    instance.machine_type = full_machine_type_name
+    if re.match(r"^zones/[a-z\d\-]+/machineTypes/[a-z\d\-]+$", machine_type):
+        instance.machine_type = machine_type
+    else:
+        instance.machine_type = f"zones/{zone}/machineTypes/{machine_type}"
     instance.network_interfaces = [network_interface]
 
     # Prepare the request to insert an instance.

packages/google-cloud-compute/samples/snippets/sample_create_vm.py

@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
+import re
 import sys
 from typing import List
 
@@ -194,8 +194,10 @@ def create_with_disks(
     instance = compute_v1.Instance()
     instance.name = instance_name
     instance.disks = disks
-    full_machine_type_name = f"zones/{zone}/machineTypes/{machine_type}"
-    instance.machine_type = full_machine_type_name
+    if re.match(r"^zones/[a-z\d\-]+/machineTypes/[a-z\d\-]+$", machine_type):
+        instance.machine_type = machine_type
+    else:
+        instance.machine_type = f"zones/{zone}/machineTypes/{machine_type}"
     instance.network_interfaces = [network_interface]
 
     # Shielded Instance settings