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How to use router_server method in localstack

Best Python code snippet using localstack_python

test_proxy.py

Source:test_proxy.py

...8from localstack.http.dispatcher import handler_dispatcher9from localstack.http.hypercorn import HypercornServer10from localstack.http.proxy import ProxyHandler, forward11@pytest.fixture12def router_server(serve_asgi_adapter) -> Tuple[Router, HypercornServer]:13    """Creates a new Router with a handler dispatcher, serves it through a newly created ASGI server, and returns14    both the router and the server.15    """16    router = Router(dispatcher=handler_dispatcher())17    app = Request.application(router.dispatch)18    return router, serve_asgi_adapter(app)19class TestPathForwarder:20    def test_get_with_path_rule(self, router_server, httpserver: HTTPServer):21        router, proxy = router_server22        backend = httpserver23        backend.expect_request("/").respond_with_data("ok/")24        backend.expect_request("/bar").respond_with_data("ok/bar")25        backend.expect_request("/bar/ed").respond_with_data("ok/bar/ed")26        router.add("/foo/<path:path>", ProxyHandler(backend.url_for("/")))...

mongoDB-mesh.py

Source:mongoDB-mesh.py

1from cmd3.shell import command2from cloudmesh_common.logger import LOGGER3import cloudmesh4import time5from pprint import pprint6import os7# Hello World8print ("Hello, World!")9#Activate user on cloudmesh10mesh = cloudmesh.mesh("mongo")11username = cloudmesh.load().username()12mesh.activate(username)13print (username)14#Set the default flavor and image for VM creation15cloud = 'india'16flavor = mesh.flavor('india', 'm1.medium')17image=mesh.image('india','fg452/rsinghania-001/my-ubuntu-01')18defaults = mesh.default('india', 'image', image)19defaults = mesh.default('india', 'flavor', flavor)20#start 9 VMs : For setting sharding in MongoDB21# 3 Config Server, 2 Query Routers, 4 Shard Servers22print ("Firing 9 VMs for setting up sharded MongoDB")23Server_IPs = []24for x in range(9):25	result = mesh.start(cloud='india', cm_user_id=username, flavor=flavor, image=image)26	pprint (result)27	server = result['server']['id']28	pprint (result['name'])29	ip=mesh.assign_public_ip('india', server, username)30	Server_IPs.append(ip)31#print all IPs 32Config_Server = []33Router_Server = []34Shard_Server = []35counter = 036for ip in Server_IPs:	37	command = 'ssh-keygen -R ' + ip38	os.system(command)39	if counter <= 2:40		Config_Server.append(ip)41	elif counter > 2 and counter <=4:42		Router_Server.append(ip)43	else:44		Shard_Server.append(ip)	45	counter = counter + 146	47print ("==============Printing IPs for Config Servers============")48for ip in Config_Server:49	print ip50print ("==============Printing IPs for Query Router==============")51for ip in Router_Server:52	print ip53print ("==============Printing IPs for Shard Server==============")54for ip in Shard_Server:55	print ip56# Wait for a minute for all the Vms to build and start57print "Waiting for a minute to let VMs build and start"58time.sleep(60)59# Install mongoDB on all the servers60print("=====Installing MongoDB on all the VMs and enable ubuntu firewall for connection to mongoDB instance=====")61script = """62sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB1063echo 'deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' | sudo tee /etc/apt/sources.list.d/mongodb.list64sudo apt-get update65sudo apt-get install -y mongodb-org"""66commands = script.split("\n")[1:]67for ip in Server_IPs:68	result = mesh.wait(ipaddr=ip, interval=10, retry=10)69	print (result)70	for command in commands:71		print ('>execute', command)		72		mesh.ssh_execute(ipaddr=ip, command=command)73# Setup Config server74print("=====Setting up Config Server=====")75script = """76sudo mkdir ~/mongo-metadata77sudo mkdir ~/mongo-log78sudo mongod --fork --configsvr --dbpath ~/mongo-metadata --logpath ~/mongo-log/log.data --port 27019"""79commands = script.split("\n")[1:]80for ip in Config_Server:81	result = mesh.wait(ipaddr=ip, interval=10, retry=10)82	print (result)83	for command in commands:84		print ('>execute', command)		85		mesh.ssh_execute(ipaddr=ip, command=command)86# Setup Router Server87print("=====Setting up Query Router=====")88port = ":27019"89ip_list = Shard_Server[0] + "," + Shard_Server[1] + "," + Shard_Server[2]  + "," + Shard_Server[3]90config_command = "sudo mongos --fork --logpath ~/mongo-log/log.data --bind_ip " + ip_list + " --configdb " + Config_Server[0] + port + "," + Config_Server[1] + port + "," + Config_Server[2] + port91for ip in Router_Server:92	result = mesh.wait(ipaddr=ip, interval=10, retry=10)93	print (result)94	print ('>execute', 'sudo mkdir ~/mongo-log')	95	mesh.ssh_execute(ipaddr=ip, command='sudo mkdir ~/mongo-log')96	print ('>execute', config_command)	...

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