Additional changes for purposes of templating
This commit is contained in:
Jonatan Rek
parent
610ef79690
commit
556fe5920e
72
app.py
72
app.py
@ -6,8 +6,7 @@ import threading
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import time
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from datetime import datetime, timezone
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from socketserver import ThreadingMixIn
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from queue import Queue
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import multiprocessing
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import os
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# Define the target server to proxy requests to
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class ProxyHandler(http.server.BaseHTTPRequestHandler):
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@ -40,26 +39,28 @@ class ProxyHandler(http.server.BaseHTTPRequestHandler):
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def handle_request(self, method):
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#print(self.headers.get('Host').split(":")[0])
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proxy_host_configuration = next(filter(lambda host: host['domain'] == self.headers.get('Host').split(":")[0], self.configuration['proxy_hosts']))
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parsed_request_host = self.headers.get('Host')
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if (':' in parsed_request_host):
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parsed_request_host = parsed_request_host.split(":")[0]
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proxy_host_configuration = next(filter(lambda host: host['domain'] == parsed_request_host, self.configuration['proxy_hosts']))
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starting = False
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for container in proxy_host_configuration['containers']:
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container_object = self.docker_client.containers.list(all=True, filters = { 'name' : container['container_name'] })[0]
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container_objects = self.docker_client.containers.list(all=True, filters = { 'name' : container['container_name'] })
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if (container_objects == []):
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self.send_404(proxy_host_configuration['domain'])
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return
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container_object = container_objects[0]
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if (container_object.status != 'running'):
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print("starting container: {0}".format(container['container_name']))
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container_object.start()
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starting = True
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if (starting == True):
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self.send_response(201)
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self.send_header('Content-Type', 'text/plain')
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self.send_header('Cache-Control', 'no-cache, no-store, must-revalidate')
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self.send_header('Pragma', 'no-cache')
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self.send_header('Expires', '0')
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self.send_header('refresh', proxy_host_configuration['proxy_timeout_seconds'])
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self.end_headers()
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self.wfile.write(bytes("starting container: {0} waiting for {1}s".format(container['container_name'], proxy_host_configuration['proxy_timeout_seconds']),"utf-8"))
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self.wfile.flush()
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self.send_loading(proxy_host_configuration['proxy_load_seconds'], proxy_host_configuration['domain'])
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return
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activity[proxy_host_configuration['domain']] = datetime.now(timezone.utc)
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@ -79,6 +80,48 @@ class ProxyHandler(http.server.BaseHTTPRequestHandler):
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conn.close()
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def send_404(self, service_name):
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self.send_response(404)
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self.send_header('Content-Type', 'text/html; charset=utf-8')
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self.send_header('Cache-Control', 'no-cache, no-store, must-revalidate')
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self.send_header('Pragma', 'no-cache')
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self.send_header('Expires', '0')
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self.end_headers()
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with open(os.path.dirname(os.path.realpath(__file__)) + '/templates/404.html', 'r') as file:
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html = file.read()
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html = html.replace("{{SERVICE}}", service_name)
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self.wfile.write(bytes(html,"utf-8"))
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self.wfile.flush()
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def send_loading(self, wait_time, service_name):
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self.send_response(201)
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self.send_header('Content-Type', 'text/html; charset=utf-8')
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self.send_header('Cache-Control', 'no-cache, no-store, must-revalidate')
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self.send_header('Pragma', 'no-cache')
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self.send_header('Expires', '0')
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self.send_header('refresh', wait_time)
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self.end_headers()
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with open(os.path.dirname(os.path.realpath(__file__)) + '/templates/wait.html', 'r') as file:
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html = file.read()
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self.wfile.write(bytes(html,"utf-8"))
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#self.wfile.write(bytes("starting service: {0} waiting for {1}s".format(self.headers.get('Host').split(":")[0], proxy_host_configuration['proxy_timeout_seconds']),"utf-8"))
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#self.wfile.write(bytes("\nlast started at: {0} ".format(activity[proxy_host_configuration['domain']]),"utf-8"))
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self.wfile.flush()
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def finish(self,*args,**kw):
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try:
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if not self.wfile.closed:
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self.wfile.flush()
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self.wfile.close()
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except socket.error:
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pass
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self.rfile.close()
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class ThreadedHTTPServer(ThreadingMixIn, http.server.HTTPServer):
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"""Handle requests in a separate thread."""
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@ -97,6 +140,7 @@ class BackgroundTasks(threading.Thread):
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sleep_time = apps['proxy_timeout_seconds']
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for container in apps['containers']:
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try:
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container_object = self.docker_client.containers.get(container['container_name'])
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if (container_object.status == 'running'):
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@ -108,6 +152,8 @@ class BackgroundTasks(threading.Thread):
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if(diff_seconds > apps['proxy_timeout_seconds']):
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print("stopping container: {0} ({1}) after {2}s".format(container['container_name'], container_object.id, diff_seconds))
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container_object.stop()
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except docker.errors.NotFound:
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pass
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time.sleep(sleep_time)
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@ -1,9 +1,10 @@
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proxy_port: 8888
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proxy_port: 80
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proxy_hosts:
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- domain: wp.local
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containers:
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- container_name: wp-dev-db-1
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- container_name: wp-dev-wordpress-1
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proxy_host: localhost
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proxy_port: 80
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proxy_port: 8888
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proxy_timeout_seconds: 10
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proxy_load_seconds: 5
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28
templates/404.html
Normal file
28
templates/404.html
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@ -0,0 +1,28 @@
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<style>
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.loading {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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}
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.spinner {
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position: absolute;
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top: 50%;
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margin-top: -20px;
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width: 100%;
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height: 40px;
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text-align: center;
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font-size: 10px;
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}
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h1 {
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font-size: 25px;
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}
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</style>
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<div class="loading">
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<div class="spinner">
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<h1>Service <b>{{SERVICE}}</b> not found !!!</h1>
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</div>
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</div>
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88
templates/wait.html
Normal file
88
templates/wait.html
Normal file
@ -0,0 +1,88 @@
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<style>
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.loading {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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}
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.spinner {
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position: absolute;
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top: 50%;
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left: 50%;
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margin-top: -20px;
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margin-left: -25px;
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width: 50px;
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height: 40px;
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text-align: center;
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font-size: 10px;
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}
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.spinner>div {
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z-index: 999;
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background-color: black;
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height: 100%;
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width: 6px;
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display: inline-block;
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-webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out;
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animation: sk-stretchdelay 1.2s infinite ease-in-out;
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}
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.spinner .rect2 {
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-webkit-animation-delay: -1.1s;
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animation-delay: -1.1s;
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}
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.spinner .rect3 {
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-webkit-animation-delay: -1.0s;
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animation-delay: -1.0s;
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}
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.spinner .rect4 {
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-webkit-animation-delay: -0.9s;
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animation-delay: -0.9s;
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}
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.spinner .rect5 {
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-webkit-animation-delay: -0.8s;
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animation-delay: -0.8s;
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}
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@-webkit-keyframes sk-stretchdelay {
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0%,
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40%,
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100% {
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-webkit-transform: scaleY(0.4)
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}
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20% {
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-webkit-transform: scaleY(1.0)
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}
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}
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@keyframes sk-stretchdelay {
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0%,
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40%,
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100% {
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transform: scaleY(0.4);
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-webkit-transform: scaleY(0.4);
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}
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20% {
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transform: scaleY(1.0);
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-webkit-transform: scaleY(1.0);
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}
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}
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</style>
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<div class="loading">
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<div class="spinner">
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<div class="rect1"></div>
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<div class="rect2"></div>
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<div class="rect3"></div>
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<div class="rect4"></div>
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<div class="rect5"></div>
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</div>
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</div>
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