Refactor Docker and Nginx setup

app/dockerHandler.py

@@ -0,0 +1,49 @@
+import docker
+import os
+
+
+class DockerHandler:
+    def __init__(self, base_url, port_ip_map):
+        self.base_url = base_url
+        self.client = docker.DockerClient(base_url=base_url)
+        self.port_ip_map = port_ip_map
+        self.current_network = self.get_current_network()
+
+    def get_current_container_ip(self):
+        # Get IP of current container
+        current_container_name = os.environ.get('HOSTNAME')
+        current_container = self.client.containers.get(current_container_name)
+        networks = current_container.attrs['NetworkSettings']['Networks']
+        current_network = list(networks.keys())[0]
+        current_container_ip = networks[current_network]['IPAddress']
+        return current_container_ip
+
+    def get_current_network(self):
+        # Get network of current container
+        current_container_name = os.environ.get('HOSTNAME')
+        current_container = self.client.containers.get(current_container_name)
+        networks = current_container.attrs['NetworkSettings']['Networks']
+        current_network = list(networks.keys())[0]
+        return current_network
+
+    def get_container_by_ip(self, ip):
+        print('getting docker container by ip {} in network {}'.format(
+            ip, self.current_network))
+        containers = self.client.containers.list(all=True)
+
+        for container in containers:
+            print('current network: {}'.format(self.current_network))
+            print('checking container {}'.format(container.name))
+            print('container networks: {}'.format(
+                container.attrs['NetworkSettings']['Networks']))
+            print('container ip: {}'.format(
+                container.attrs['NetworkSettings']['Networks'][self.current_network]['IPAMConfig']['IPv4Address']))
+
+            networks = container.attrs['NetworkSettings']['Networks']
+            if self.current_network in networks and networks[self.current_network]['IPAMConfig']['IPv4Address'] == ip:
+                print('found docker container {} with ip {} in network {}'.format(
+                    container.name, ip, self.current_network))
+                return container
+        print('no docker container found with ip {} in network {}'.format(
+            ip, self.current_network))
+        return None