TUN-7550: Add pprof endpoint to management service

component-tests/test_management.py

@@ -0,0 +1,93 @@
+#!/usr/bin/env python
+import requests
+from conftest import CfdModes
+from constants import METRICS_PORT, MAX_RETRIES, BACKOFF_SECS
+from retrying import retry
+from cli import CloudflaredCli
+from util import LOGGER, write_config, start_cloudflared, wait_tunnel_ready, send_requests
+import platform
+
+"""
+Each test in TestManagement will:
+1. Acquire a management token from Cloudflare public API
+2. Make a request against the management service for the running tunnel
+"""
+class TestManagement:
+    """
+        test_get_host_details does the following:
+        1. It gets a management token from Tunnelstore using cloudflared tail token <tunnel_id>
+        2. It gets the connector_id after starting a cloudflare tunnel
+        3. It sends a request to the management host with the connector_id and management token
+        4. Asserts that the response has a hostname and ip.
+    """
+    def test_get_host_details(self, tmp_path, component_tests_config):
+        # TUN-7377 : wait_tunnel_ready does not work properly in windows.
+        # Skipping this test for windows for now and will address it as part of tun-7377
+        if platform.system() == "Windows":
+            return
+        config = component_tests_config(cfd_mode=CfdModes.NAMED, run_proxy_dns=False, provide_ingress=False)
+        LOGGER.debug(config)
+        headers = {}
+        headers["Content-Type"] = "application/json"
+        config_path = write_config(tmp_path, config.full_config)
+        with start_cloudflared(tmp_path, config, cfd_pre_args=["tunnel", "--ha-connections", "1", "--label" , "test"], cfd_args=["run", "--hello-world"], new_process=True):
+            wait_tunnel_ready(tunnel_url=config.get_url(),
+                              require_min_connections=1)
+            cfd_cli = CloudflaredCli(config, config_path, LOGGER)
+            connector_id = cfd_cli.get_connector_id(config)[0]
+            url = cfd_cli.get_management_url("host_details", config, config_path)
+            resp = send_request(url, headers=headers)
+            
+            # Assert response json.
+            assert resp.status_code == 200, "Expected cloudflared to return 200 for host details"
+            assert resp.json()["hostname"] == "custom:test", "Expected cloudflared to return hostname"
+            assert resp.json()["ip"] != "", "Expected cloudflared to return ip"
+            assert resp.json()["connector_id"] == connector_id, "Expected cloudflared to return connector_id"
+    
+    """
+        test_get_metrics will verify that the /metrics endpoint returns the prometheus metrics dump
+    """
+    def test_get_metrics(self, tmp_path, component_tests_config):
+        # TUN-7377 : wait_tunnel_ready does not work properly in windows.
+        # Skipping this test for windows for now and will address it as part of tun-7377
+        if platform.system() == "Windows":
+            return
+        config = component_tests_config(cfd_mode=CfdModes.NAMED, run_proxy_dns=False, provide_ingress=False)
+        LOGGER.debug(config)
+        config_path = write_config(tmp_path, config.full_config)
+        with start_cloudflared(tmp_path, config, cfd_pre_args=["tunnel", "--ha-connections", "1"], new_process=True):
+            wait_tunnel_ready(require_min_connections=1)
+            cfd_cli = CloudflaredCli(config, config_path, LOGGER)
+            url = cfd_cli.get_management_url("metrics", config, config_path)
+            resp = send_request(url)
+            
+            # Assert response.
+            assert resp.status_code == 200, "Expected cloudflared to return 200 for /metrics"
+            assert "# HELP build_info Build and version information" in resp.text, "Expected /metrics to have with the build_info details"
+
+    """
+        test_get_pprof_heap will verify that the /debug/pprof/heap endpoint returns a pprof/heap dump response
+    """
+    def test_get_pprof_heap(self, tmp_path, component_tests_config):
+        # TUN-7377 : wait_tunnel_ready does not work properly in windows.
+        # Skipping this test for windows for now and will address it as part of tun-7377
+        if platform.system() == "Windows":
+            return
+        config = component_tests_config(cfd_mode=CfdModes.NAMED, run_proxy_dns=False, provide_ingress=False)
+        LOGGER.debug(config)
+        config_path = write_config(tmp_path, config.full_config)
+        with start_cloudflared(tmp_path, config, cfd_pre_args=["tunnel", "--ha-connections", "1"], new_process=True):
+            wait_tunnel_ready(require_min_connections=1)
+            cfd_cli = CloudflaredCli(config, config_path, LOGGER)
+            url = cfd_cli.get_management_url("debug/pprof/heap", config, config_path)
+            resp = send_request(url)
+            
+            # Assert response.
+            assert resp.status_code == 200, "Expected cloudflared to return 200 for /debug/pprof/heap"
+            assert resp.headers["Content-Type"] == "application/octet-stream", "Expected /debug/pprof/heap to have return a binary response"
+
+
+@retry(stop_max_attempt_number=MAX_RETRIES, wait_fixed=BACKOFF_SECS * 1000)
+def send_request(url, headers={}):
+    with requests.Session() as s:
+        return s.get(url, timeout=BACKOFF_SECS, headers=headers)