Add server option

Author: Jim Robinson

croudtech_bootstrap_app/cli.py

@@ -1,6 +1,6 @@
 import json
 import os
-
+import urllib.parse
 import boto3
 import click
 from table2ascii import Alignment, table2ascii
@@ -9,6 +9,9 @@
 from .bootstrap import BootstrapManager, BootstrapParameters
 from .redis_config import RedisConfig
 
+from http.server import BaseHTTPRequestHandler, HTTPServer
+
+
 try:
     from yaml import CDumper as Dumper
 except ImportError:
@@ -138,6 +141,90 @@ def get_config(
         print(output)
 
 
+@cli.command()
+@click.pass_context
+@click.option("--environment-name", help="The environment name", required=True)
+@click.option("--app-name", help="The app name", required=True)
+@click.option("--prefix", default="/appconfig", help="The path prefix")
+@click.option("--region", default="eu-west-2", help="The AWS region")
+@click.option(
+    "--include-common/--ignore-common",
+    default=True,
+    is_flag=True,
+    help="Include shared variables",
+)
+@click.option(
+    "--output-format",
+    default="json",
+    type=click.Choice(["json", "yaml", "environment", "environment-export"]),
+)
+@click.option(
+    "--parse-redis-param/--ignore-redis-param",
+    default=True,
+    is_flag=True,
+    help="Parse redis host and allocate a redis database number",
+)
+@click.option(
+    "--server-port",
+    default="9099"
+)
+def config_server(
+    ctx,
+    environment_name,
+    app_name,
+    prefix,
+    region,
+    include_common,
+    output_format,
+    parse_redis_param,
+    server_port
+):
+    bootstrap = BootstrapParameters(
+        environment_name=environment_name,
+        app_name=app_name,
+        prefix=prefix,
+        region=region,
+        include_common=include_common,
+        click=click,
+        endpoint_url=ctx.obj["AWS_ENDPOINT_URL"],
+        parse_redis=parse_redis_param,
+        bucket_name=ctx.obj["BUCKET_NAME"],
+    )
+
+    class ConfigServer(BaseHTTPRequestHandler):     
+        def do_GET(self):            
+            if output_format == "json":
+                # self.send_header("Content-type", "text/json")
+                output = json.dumps(bootstrap.get_raw_params(), indent=2)
+            elif output_format == "yaml":
+                # self.send_header("Content-type", "text/yaml")
+                output = dump(bootstrap.get_raw_params(), Dumper=Dumper)
+            elif output_format == "environment":
+                # self.send_header("Content-type", "text/plain")
+                output = bootstrap.params_to_env()
+            elif output_format == "environment-export":
+                # self.send_header("Content-type", "text/plain")
+                output = bootstrap.params_to_env(export=True)
+
+            self.send_response(200)
+            self.send_header("Content-type", "text/plain")
+            self.end_headers()
+            for line in output.split("\n"):
+                self.wfile.write(bytes(line + "\n", "utf-8"))
+            raise KeyboardInterrupt()
+            
+    
+    webServer = HTTPServer(("0.0.0.0", int(server_port)), ConfigServer)
+    print("Server started http://%s:%s" % ("0.0.0.0", server_port))
+    try:
+        webServer.serve_forever()
+    except KeyboardInterrupt:
+        pass
+
+    webServer.server_close()
+    print("Server stopped.")
+
+
 @cli.command()
 @click.pass_context
 @click.option("--prefix", default="/appconfig", help="The path prefix")