Use process ident for logs socket filename

catfish/project/__init__.py

@@ -63,3 +63,7 @@ class Process:
     @property
     def ident(self):
         return self.project.name + ":" + self.name
+
+    @property
+    def logs_socket(self):
+        return f"{self.project.name}-{self.name}.sock"

catfish/utils/sockets.py

@@ -40,7 +40,3 @@ def delete_base_socket_dir():
         shutil.rmtree(BASE_SOCKET_DIR)
     except FileNotFoundError:
         pass
-
-
-def stdout_socket_for_pid(pid: int) -> Path:
-    return BASE_SOCKET_DIR.joinpath("{}.stdout.sock".format(pid))

catfish/worker/server.py

@@ -5,20 +5,15 @@ import shlex
 import socket
 import subprocess
 from enum import Enum, auto
-from pathlib import Path
 
 import click
 import zmq
 
 import ujson
+from catfish.project import Process, Project
 from catfish.utils import aio
 from catfish.utils.processes import terminate_processes
-from catfish.utils.sockets import (
-    BASE_SOCKET_DIR,
-    NEW_LINE,
-    read_all_from_socket,
-    stdout_socket_for_pid,
-)
+from catfish.utils.sockets import BASE_SOCKET_DIR, NEW_LINE, read_all_from_socket
 
 WORKER_SERVER_SOCKET = BASE_SOCKET_DIR.joinpath("catfish.sock")
 
@@ -37,9 +32,10 @@ def send_to_server(type: PayloadType, payload):
         return read_all_from_socket(sock)
 
 
-def read_from_stdout_socket(socket_path: Path):
+def read_logs_for_process(process: Process):
     ctx = zmq.Context()
     sock = ctx.socket(zmq.SUB)
+    socket_path = str(BASE_SOCKET_DIR.joinpath(process.logs_socket))
     sock.connect("ipc://" + str(socket_path))
     sock.setsockopt_string(zmq.SUBSCRIBE, "")
     while True:
@@ -50,12 +46,11 @@ def write_data(writer, data):
     writer.write(ujson.dumps(data).encode())
 
 
-async def publish_stdout(process):
+async def publish_stdout_for(process, ctf_process: Process):
     ctx = zmq.Context()
     sock = ctx.socket(zmq.PUB)
-
-    socket_path = stdout_socket_for_pid(process.pid)
-    sock.bind("ipc://" + str(socket_path))
+    socket_path = str(BASE_SOCKET_DIR.joinpath(ctf_process.logs_socket))
+    sock.bind("ipc://" + socket_path)
     while True:
         output = await process.stdout.readline()
         if not output:
@@ -67,6 +62,19 @@ async def publish_stdout(process):
     await aio.remove_file(socket_path)
 
 
+async def run_process_command(project: Project, process: Process):
+    command = shlex.split(process.command)
+    proc = await asyncio.create_subprocess_exec(
+        *command,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT,
+        env={**os.environ, "PYTHONUNBUFFERED": "1"},
+        cwd=project.root
+    )
+    asyncio.ensure_future(publish_stdout_for(proc, process))
+    return proc
+
+
 async def parse_payload(payload):
     data = ujson.loads(payload)
     return PayloadType(data["type"]), data["payload"]
@@ -75,14 +83,9 @@ async def parse_payload(payload):
 async def client_connected(reader, writer):
     payload_type, data = await parse_payload(await reader.readline())
     if payload_type == PayloadType.PROCESS:
-        command = shlex.split(data["command"])
-        proc = await asyncio.create_subprocess_exec(
-            *command,
-            stdout=subprocess.PIPE,
-            stderr=subprocess.STDOUT,
-            env={**os.environ, "PYTHONUNBUFFERED": "1"}
-        )
-        asyncio.ensure_future(publish_stdout(proc))
+        project = Project(data["path"])
+        process = project.get_process(data["process"])
+        proc = await run_process_command(project, process)
         write_data(writer, {"pid": proc.pid})
     elif payload_type == PayloadType.PING:
         write_data(writer, {"ping": "pong"})

tests/test_worker/test_server.py

@@ -1,12 +1,18 @@
+from catfish.project import Project
 from catfish.utils.processes import is_process_running
-from catfish.utils.sockets import stdout_socket_for_pid
-from catfish.worker.server import PayloadType, read_from_stdout_socket, send_to_server
+from catfish.worker import BASE_SOCKET_DIR
+from catfish.worker.server import PayloadType, read_logs_for_process, send_to_server
 from tests import BaseWorkerTestCase
 
 
 class WorkerServerTestCase(BaseWorkerTestCase):
     def test_server_creates_process(self):
-        response = send_to_server(PayloadType.PROCESS, {"command": str(self.DUMMY_EXE)})
+        project = Project(self.EXAMPLE_DIR)
+        process = project.get_process("bg")
+        response = send_to_server(
+            PayloadType.PROCESS,
+            {"path": str(project.root), "process": str(process.name)},
+        )
         self.assertTrue(is_process_running(response["pid"]))
 
     def test_ping(self):
@@ -15,14 +21,24 @@ class WorkerServerTestCase(BaseWorkerTestCase):
 
 
 class ProcessLogsTestCase(BaseWorkerTestCase):
+    def setUp(self):
+        super().setUp()
+        self.project = Project(self.EXAMPLE_DIR)
+        self.process = self.project.get_process("bg")
+
     def test_creates_socket(self):
-        response = send_to_server(PayloadType.PROCESS, {"command": str(self.DUMMY_EXE)})
-        stdout_socket = stdout_socket_for_pid(response["pid"])
+        send_to_server(
+            PayloadType.PROCESS,
+            {"path": str(self.project.root), "process": str(self.process.name)},
+        )
+        stdout_socket = BASE_SOCKET_DIR.joinpath(self.process.logs_socket)
         self.assertTrue(stdout_socket.exists())
 
     def test_gets_logs(self):
-        response = send_to_server(PayloadType.PROCESS, {"command": str(self.DUMMY_EXE)})
-        stdout_socket = stdout_socket_for_pid(response["pid"])
-        stdout_iter = read_from_stdout_socket(stdout_socket)
+        send_to_server(
+            PayloadType.PROCESS,
+            {"path": str(self.project.root), "process": str(self.process.name)},
+        )
+        stdout_iter = read_logs_for_process(self.process)
         for i in range(3):
             self.assertEqual(next(stdout_iter), "Round {}".format(i))