I love my script more and more

bin/auto_import_config.py

@@ -9,52 +9,173 @@
 # TODO make it super NON verbose and when it is auto load it on every CD in the shell :)
 # .. like direnv works. But first lets make it work :)
 
+from datetime import datetime
+import subprocess
+
 import yaml
 import os
+import sys
 
-ProgVersion = '1.1'
+ProgVersion = '1.2'
 ConfigFileName = '.gcloudconfig.yaml'
-SampleConfig  = '''\
+DryRun = False # set trut in while loop in dev mode ;)
+ProgName = os.path.basename(sys.argv[0])
+Now = datetime.now().strftime('%Y:%m:%d %H:%M')
+Separator = ('#' * 80)
+SampleConfig  = '''\import subprocess
+
 ########################################################
-# This is a sample from auto_import_config.py v{version}
+# This is a sample from #{ProgName} v{version}
 # Code: https://github.com/palladius/sakura/blob/master/bin/auto_import_config.py
 ########################################################
 # Once done you can do: gcloud config configurations activate YOUR_VAVORITE_CONFIG
 local_config:
   auto: true
 configurations:
   default:
-    project: my-default-personal-project
-    compute/region: us-central1
-    compute/zone: us-central1-b
-    account: [email protected]
+    gcloud:
+      project: my-default-personal-project
+      compute/region: us-central1
+      compute/zone: us-central1-b
+      account: [email protected]
   # Note: gcloud wont accept this config name if it starts with a number (#btdt)
   {this_folder}:
-    project: my-local-work-project
-    compute/region: us-central1
-    compute/zone: us-central1-b
-    account: [email protected]
+    gcloud:
+      project: my-local-work-project
+      compute/region: us-central1
+      compute/zone: us-central1-b
+      account: [email protected]
+    env:
+      # TODO(ricc): the first 2 should come for free..
+      PROJECT_ID: my-local-work-project # this could actually be autopopulated
+      REGION: us-central1
+      BUCKET: gs://my-bucket
+      VERTEX_TRAINING_JOB_NAME: 'train-test-123'
+      REPO_NAME: 'my-awesome-app'
+      # Not implemented yet, but who knows.. but use Pulumi/TF standard namings.
+      # Works in python
+      IMAGE_URI: "${REGION}-docker.pkg.dev/${PROJECT_ID}/${REPO_NAME}/my_vertex_image:latest"
 '''
+
+def execute(command):
+    '''Execute code but... with a cactch.'''
+    if DryRun:
+        print(f"[DRYRUN] 🔞 {command}")
+    else:
+        # executing for real.. no excuses!
+        os.system(command)
+
+def get_project_number_from_wrong(project_id):
+    '''Im so happy. This is usually an inefficient computation but I can automate it!'''
+    ret = os.system(f"gcloud projects describe {project_id} --format='value(projectNumber)'")
+    return f"{ret}" #  "4242"
+
+def get_project_number_from(project_id):
+    process = subprocess.Popen(
+        [#"echo",
+         "gcloud", "projects", "describe", project_id, "--format", "value(projectNumber)"],
+        stdout=subprocess.PIPE
+    )
+    output, err = process.communicate()
+
+    if process.returncode != 0:
+        raise Exception(f"gcloud command failed: {process.returncode}") # err.decode()
+
+    return output.decode('utf-8').strip()
+
+# generate_env_files
+def setup_env_stubs(config_name, env_properties):
+    '''Given config X and an array of properties, creates a few stub files.
+
+    Inputs:
+    * config_name: eg "default"
+    * env_properties: eg {}
+
+    '''
+    print(f"config_name: {config_name}")
+    print(f"env_properties: {env_properties}")
+    banner = f"\n{Separator}\n# Generated by {ProgName} v{ProgVersion} on {Now}\n# Do NOT edit or it might get overwritten. Please edit the .gcloudconfig.yaml!\n{Separator}\n\n"
+    config = env_properties
+
+    # TODO(ricc): move to a lambda which accepts the logic per language and refactor so the OPEN can be caught with if exists...
+    # Note: os.path.expandvars epamnds with LOCAL env which is wrong.
+    # This should be current-ENV-independent!
+
+    def expand_vars(value):
+        if isinstance(value, str):
+            for key, val in config.items():
+                value = value.replace(f'${{{key}}}', val)
+        return value
+
+    for key, value in config.items():
+        config[key] = expand_vars(value)
+
+    # BASH stub
+    with open('_env_gaic.sh', 'w') as f:
+        f.write(banner)
+        f.write("# source '_env_gaic' \n") # TESTED
+        for key, value in config.items():
+            f.write(f'export {key}="{os.path.expandvars(value)}"\n')
+
+    # Python stub
+    with open('_env_gaic.py', 'w') as f:
+        f.write(banner)
+        f.write("# from _env_gaic import *\n") # TESTED
+        for key, value in config.items():
+            f.write(f'{key} = "{os.path.expandvars(value)}"\n')
+        #f.write("# prova 2 \n")
+        #for key, value in config.items():
+        #    f.write(f'{key} = "{expand_vars(value)}"\n')
+
+    # Ruby stub
+    with open('_env_gaic.rb', 'w') as f:
+        f.write(banner)
+        f.write("# require_relative './_env_gaic.rb' \n")
+        for key, value in config.items():
+            f.write(f'ENV["{key}"] = "{os.path.expandvars(value)}"\n')
+
+
 def inject_all_configs(config_data):
     'Given a hash from YAML it creates one gcloud config per key'
         # injects config as per tree.
     for config_name, properties in config_data['configurations'].items():
         # First verifies if it exists.
-        ret = os.system(f"gcloud config configurations describe {config_name} >/dev/null")
+        ret = execute(f"gcloud config configurations describe {config_name} >/dev/null")
         #print(f"ret = {ret}")
         if ret == 0:
             print(f"🦘 Config '{config_name}' found: skipping")
             # TODO: configurable FORCE: true
-            #break
-            #next
             continue
         print(f"➕ Config '{config_name}' NOT found: creating")
 
         # Create configuration if it doesn't exist===
-        os.system(f"gcloud config configurations create {config_name}")
+        execute(f"gcloud config configurations create {config_name}")
+
+        opinionated_properties = {}
+
+        # gcloud config ('gcloud' stanza)
+        for property_name, value in properties['gcloud'].items():
+            execute(f"echo gcloud config set {property_name} {value} --configuration {config_name}")
+            if property_name == 'project':
+                opinionated_properties['PROJECT_ID'] = value
+                opinionated_properties['PROJECT_NUMBER'] = get_project_number_from(value)
+                #opinionated_properties['GOOGLE_PROJECT'] = value # Pulumi supports: GOOGLE_PROJECT, GOOGLE_CLOUD_PROJECT, GCLOUD_PROJECT, CLOUDSDK_CORE_PROJECT https://www.pulumi.com/registry/packages/gcp/installation-configuration/
+            if property_name == 'compute/region':
+                opinionated_properties['GCP_REGION'] = value
+                #opinionated_properties['GOOGLE_REGION'] = value # Pulumi https://www.pulumi.com/registry/packages/gcp/installation-configuration/
+            if property_name == 'compute/zone':
+                opinionated_properties['GCP_ZONE'] = value
+                #opinionated_properties['GOOGLE_ZONE'] = value # Pulumi https://www.pulumi.com/registry/packages/gcp/installation-configuration/
+            if property_name == 'account':
+                opinionated_properties['GCP_ACCOUNT'] = value
+
+        # env config ('gcloud' stanza)
+        # Injecting additional values if present in gcloud stanza..
+        #opinionated_properties['REMOVEME'] = 'blah'
+        opinionated_properties.update(properties['env'])
+        setup_env_stubs(config_name, opinionated_properties)
+
 
-        for property_name, value in properties.items():
-            os.system(f"gcloud config set {property_name} {value} --configuration {config_name}")
 
 def local_dirname():
     '''Returns the latest folder of `pwd`.'''
@@ -72,7 +193,7 @@ def parse_local_config(config_data):
         # Alternative:
         # last_part = current_dir.rsplit('/', 1)[1]
         print(f'Setting config with same name as local dir: {local_dir}')
-        os.system(f"gcloud config configurations activate {local_dir}")
+        execute(f"gcloud config configurations activate {local_dir}")
     else:
         print(f"local_config[auto] = '{ config_data['local_config']['auto'] }'")
 
@@ -87,6 +208,7 @@ def main():
     # check if file ConfigFileName exists..
     config_data = {}
     if os.path.isfile(ConfigFileName):
+        #print("[DEB] ConfigFileName found: {ConfigFileName}")
         with open(ConfigFileName, 'r') as file:
             config_data = yaml.safe_load(file)
     else:
@@ -108,8 +230,8 @@ def main():
         print('no AUTOCONFIG defined') # todo deleteme.
     # Final
 
-    #os.system(f"gcloud config list")
-    os.system(f"gcloud config configurations list | grep True")
+    #execute(f"gcloud config list")
+    execute(f"gcloud config configurations list | grep True")
 
 
 main()