Verify enough resources for breeze (#20763)

Verify resources, memory, cpus and disk for Docker in Python.

dev/breeze/doc/BREEZE2.md

@@ -26,7 +26,7 @@ But first: Created a TOC for easy reference about BREEZE commands
 - [Updated BREEZE](#updated-breeze)
 - [BREEZE setting up autocomplete](#breeze-setting-up-autocomplete)
 - [Breeze on Linux](#breeze-on-linux)
-- [Breeze on Windows](#breeze-on-windows)
+- [Breeze2 on Windows](#breeze2-on-windows)
 
 <!-- END doctoc generated TOC please keep comment here to allow auto update -->
 
@@ -106,7 +106,7 @@ You should set up the autocomplete option automatically by running:
 
 You get the auto-completion working when you re-enter the shell.
 
-# Breeze on Windows
+# Breeze2 on Windows
 
 In Windows environment, you will need to use pipx to install Breeze.
 

scripts/ci/libraries/_docker_engine_resources.sh

@@ -46,5 +46,5 @@ function docker_engine_resources::check_all_resources() {
     docker_v run -t "${EXTRA_DOCKER_FLAGS[@]}" \
         --entrypoint "/bin/bash"  \
         "${AIRFLOW_CI_IMAGE_WITH_TAG}" \
-        -c "/opt/airflow/scripts/in_container/run_resource_check.sh"
+        -c "python /opt/airflow/scripts/in_container/run_resource_check.py"
 }

scripts/in_container/run_resource_check.py

@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, 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.
+
+
+from dataclasses import dataclass
+from typing import Dict
+
+import psutil
+from rich.console import Console
+
+
+@dataclass
+class Resource:
+    current: int
+    minimumAllowed: int
+
+
+console = Console(force_terminal=True, color_system="standard", width=180)
+
+
+def get_size(bytes):
+    """
+    Convert Bytes into Gigabytes
+    1 Gigabytes = 1024*1024*1024 = 1073741824 bytes
+    """
+    factor = 1024 * 1024 * 1024
+    value_gb = bytes // factor
+    return value_gb
+
+
+def resoure_check():
+    """
+    Use gsutil to get resources in bytes for memory and disk
+    """
+    MINIMUM_ALLOWED_MEMORY = 4
+    MINIMUM_ALLOWED_CPUS = 2
+    MINIMUM_ALLOWED_DISK = 20
+    print("\nChecking resources.\n")
+
+    # Memory current available
+    svmem = psutil.virtual_memory()
+    mem_available = get_size(svmem.available)
+
+    # Cpus current available
+    cpus_available = psutil.cpu_count(logical=True)
+
+    # Disk current available
+    partitions = psutil.disk_partitions()
+    partition_usage = psutil.disk_usage(partitions[0].mountpoint)
+    disk_available = get_size(partition_usage.free)
+
+    resources: Dict[str, Resource] = {
+        'Memory': Resource(current=mem_available, minimumAllowed=MINIMUM_ALLOWED_MEMORY),
+        'Cpus': Resource(current=cpus_available, minimumAllowed=MINIMUM_ALLOWED_CPUS),
+        'Disk': Resource(current=disk_available, minimumAllowed=MINIMUM_ALLOWED_DISK),
+    }
+    return resources
+
+
+def resoure_validate():
+
+    resources = resoure_check()
+    warning_resources = False
+    check = "OK"
+
+    for resource, capacity in resources.items():
+
+        check = '' if resource == "Cpus" else 'GB'
+
+        if capacity.current < capacity.minimumAllowed:
+            console.print(f"[yellow]WARNING!!!: Not enough {resource} available for Docker.")
+            print(
+                f"At least {capacity.minimumAllowed}{check} of {resource} required. "
+                f" You have {capacity.current}{check}\n"
+            )
+            warning_resources = True
+        else:
+            console.print(f" * {resource} available {capacity.current}{check}. [green]OK.")
+
+    if warning_resources:
+        console.print("[yellow]WARNING!!!: You have not enough resources to run Airflow (see above)!")
+        print("Please follow the instructions to increase amount of resources available:")
+        console.print(
+            " Please check https://github.com/apache/airflow/blob/main/BREEZE.rst#resources-required"
+            " for details"
+        )
+    else:
+        console.print("\n[green]Resource check successful.\n")
+
+
+if __name__ == "__main__":
+    resoure_validate()