From fce597680ae9052ac57fb876b8316a3474b8b280 Mon Sep 17 00:00:00 2001
From: Marga Manterola <marga@google.com>
Date: Wed, 18 Dec 2019 18:35:19 -0300
Subject: [PATCH] Add C5M3 files

---
 Course5/Lab3/hello_cloud.py      | 56 ++++++++++++++++++++++++++++++++
 Course5/Lab3/hello_cloud.service |  8 +++++
 2 files changed, 64 insertions(+)
 create mode 100755 Course5/Lab3/hello_cloud.py
 create mode 100644 Course5/Lab3/hello_cloud.service

diff --git a/Course5/Lab3/hello_cloud.py b/Course5/Lab3/hello_cloud.py
new file mode 100755
index 0000000000..58518b3b4a
--- /dev/null
+++ b/Course5/Lab3/hello_cloud.py
@@ -0,0 +1,56 @@
+#!/usr/bin/env python3
+# Copyright 2019 Google LLC
+#
+# Licensed 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.
+
+"""A simple Hello World type app which can serve on port 8000.
+Optionally, a different port can be passed.
+
+The code was inspired by:
+https://gist.github.com/davidbgk/b10113c3779b8388e96e6d0c44e03a74
+"""
+import http
+import http.server
+import socket
+import socketserver
+import sys
+
+# TCP port for listening to connections, if no port is received
+DEFAULT_PORT=8000
+
+class Handler(http.server.SimpleHTTPRequestHandler):
+    def do_GET(self):
+        self.send_response(http.HTTPStatus.OK)
+        self.end_headers()
+        # Hello message
+        self.wfile.write(b'Hello Cloud')
+        # Now get the hostname and IP and print that as well.
+        hostname = socket.gethostname()
+        host_ip = socket.gethostbyname(hostname)
+        self.wfile.write(
+            '\n\nHostname: {} \nIP Address: {}'.format(
+                hostname, host_ip).encode())
+
+
+def main(argv):
+    port = DEFAULT_PORT
+    if len(argv) > 1:
+        port = int(argv[1])
+
+    web_server = socketserver.TCPServer(('', port), Handler)
+    print("Listening for connections on port {}".format(port))
+    web_server.serve_forever()
+
+
+if __name__ == "__main__":
+    main(sys.argv)
diff --git a/Course5/Lab3/hello_cloud.service b/Course5/Lab3/hello_cloud.service
new file mode 100644
index 0000000000..20627989f4
--- /dev/null
+++ b/Course5/Lab3/hello_cloud.service
@@ -0,0 +1,8 @@
+[Unit]
+After=network.target
+
+[Service]
+ExecStart=/usr/local/bin/hello_cloud.py 80
+
+[Install]
+WantedBy=default.target