mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-28 18:03:04 +00:00
Merge pull request #96703 from andersk/revert-test-logging
Revert “nixos/test-driver: use pythons logging module” (#96254)
This commit is contained in:
WORLDofPEACE
GitHub
commit
5c67236602
@ -1,14 +1,19 @@
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#! /somewhere/python3
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from contextlib import contextmanager, _GeneratorContextManager
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from queue import Queue, Empty
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from typing import Tuple, Any, Callable, Dict, Iterator, Optional, List
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from xml.sax.saxutils import XMLGenerator
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import queue
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import io
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import _thread
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import argparse
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import atexit
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import base64
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import io
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import itertools
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import logging
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import codecs
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import os
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import pathlib
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import ptpython.repl
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import pty
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import queue
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import re
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import shlex
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import shutil
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@ -16,12 +21,9 @@ import socket
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import subprocess
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import sys
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import tempfile
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import _thread
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import time
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from contextlib import contextmanager
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from typing import Any, Callable, Dict, Iterator, List, Optional, Tuple
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import ptpython.repl
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import traceback
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import unicodedata
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CHAR_TO_KEY = {
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"A": "shift-a",
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@ -86,24 +88,13 @@ CHAR_TO_KEY = {
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")": "shift-0x0B",
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}
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# Forward reference
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# Forward references
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log: "Logger"
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machines: "List[Machine]"
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logging.basicConfig(format="%(message)s")
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logger = logging.getLogger("test-driver")
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logger.setLevel(logging.INFO)
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machine_colours_iter = (
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"\x1b[{}m".format(x) for x in itertools.cycle(reversed(range(31, 37)))
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)
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class MachineLogAdapter(logging.LoggerAdapter):
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def process(self, msg: str, kwargs: Any) -> Tuple[str, Any]:
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return (
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f"{self.extra['colour_code']}{self.extra['machine']}\x1b[39m: {msg}",
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kwargs,
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)
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def eprint(*args: object, **kwargs: Any) -> None:
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print(*args, file=sys.stderr, **kwargs)
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def make_command(args: list) -> str:
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@ -111,7 +102,8 @@ def make_command(args: list) -> str:
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def create_vlan(vlan_nr: str) -> Tuple[str, str, "subprocess.Popen[bytes]", Any]:
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logger.info(f"starting VDE switch for network {vlan_nr}")
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global log
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log.log("starting VDE switch for network {}".format(vlan_nr))
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vde_socket = tempfile.mkdtemp(
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prefix="nixos-test-vde-", suffix="-vde{}.ctl".format(vlan_nr)
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)
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@ -150,6 +142,70 @@ def retry(fn: Callable) -> None:
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raise Exception("action timed out")
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class Logger:
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def __init__(self) -> None:
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self.logfile = os.environ.get("LOGFILE", "/dev/null")
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self.logfile_handle = codecs.open(self.logfile, "wb")
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self.xml = XMLGenerator(self.logfile_handle, encoding="utf-8")
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self.queue: "Queue[Dict[str, str]]" = Queue()
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self.xml.startDocument()
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self.xml.startElement("logfile", attrs={})
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def close(self) -> None:
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self.xml.endElement("logfile")
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self.xml.endDocument()
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self.logfile_handle.close()
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def sanitise(self, message: str) -> str:
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return "".join(ch for ch in message if unicodedata.category(ch)[0] != "C")
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def maybe_prefix(self, message: str, attributes: Dict[str, str]) -> str:
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if "machine" in attributes:
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return "{}: {}".format(attributes["machine"], message)
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return message
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def log_line(self, message: str, attributes: Dict[str, str]) -> None:
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self.xml.startElement("line", attributes)
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self.xml.characters(message)
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self.xml.endElement("line")
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def log(self, message: str, attributes: Dict[str, str] = {}) -> None:
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eprint(self.maybe_prefix(message, attributes))
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self.drain_log_queue()
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self.log_line(message, attributes)
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def enqueue(self, message: Dict[str, str]) -> None:
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self.queue.put(message)
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def drain_log_queue(self) -> None:
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try:
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while True:
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item = self.queue.get_nowait()
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attributes = {"machine": item["machine"], "type": "serial"}
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self.log_line(self.sanitise(item["msg"]), attributes)
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except Empty:
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pass
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@contextmanager
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def nested(self, message: str, attributes: Dict[str, str] = {}) -> Iterator[None]:
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eprint(self.maybe_prefix(message, attributes))
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self.xml.startElement("nest", attrs={})
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self.xml.startElement("head", attributes)
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self.xml.characters(message)
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self.xml.endElement("head")
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tic = time.time()
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self.drain_log_queue()
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yield
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self.drain_log_queue()
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toc = time.time()
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self.log("({:.2f} seconds)".format(toc - tic))
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self.xml.endElement("nest")
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class Machine:
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def __init__(self, args: Dict[str, Any]) -> None:
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if "name" in args:
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@ -179,11 +235,8 @@ class Machine:
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self.pid: Optional[int] = None
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self.socket = None
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self.monitor: Optional[socket.socket] = None
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self.logger: Logger = args["log"]
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self.allow_reboot = args.get("allowReboot", False)
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self.logger = MachineLogAdapter(
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logger,
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extra=dict(machine=self.name, colour_code=next(machine_colours_iter)),
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)
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@staticmethod
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def create_startcommand(args: Dict[str, str]) -> str:
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@ -239,6 +292,14 @@ class Machine:
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def is_up(self) -> bool:
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return self.booted and self.connected
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def log(self, msg: str) -> None:
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self.logger.log(msg, {"machine": self.name})
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def nested(self, msg: str, attrs: Dict[str, str] = {}) -> _GeneratorContextManager:
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my_attrs = {"machine": self.name}
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my_attrs.update(attrs)
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return self.logger.nested(msg, my_attrs)
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def wait_for_monitor_prompt(self) -> str:
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assert self.monitor is not None
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answer = ""
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@ -253,7 +314,7 @@ class Machine:
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def send_monitor_command(self, command: str) -> str:
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message = ("{}\n".format(command)).encode()
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self.logger.info(f"sending monitor command: {command}")
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self.log("sending monitor command: {}".format(command))
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assert self.monitor is not None
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self.monitor.send(message)
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return self.wait_for_monitor_prompt()
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@ -320,9 +381,9 @@ class Machine:
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return self.execute("systemctl {}".format(q))
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def require_unit_state(self, unit: str, require_state: str = "active") -> None:
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self.logger.info(
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f"checking if unit ‘{unit}’ has reached state '{require_state}'"
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)
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with self.nested(
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"checking if unit ‘{}’ has reached state '{}'".format(unit, require_state)
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):
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info = self.get_unit_info(unit)
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state = info["ActiveState"]
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if state != require_state:
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@ -331,9 +392,6 @@ class Machine:
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+ "'{}' but it is in state ‘{}’".format(require_state, state)
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)
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def log(self, message: str) -> None:
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self.logger.info(message)
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def execute(self, command: str) -> Tuple[int, str]:
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self.connect()
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@ -356,10 +414,10 @@ class Machine:
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"""Execute each command and check that it succeeds."""
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output = ""
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for command in commands:
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self.logger.info(f"must succeed: {command}")
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with self.nested("must succeed: {}".format(command)):
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(status, out) = self.execute(command)
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if status != 0:
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self.logger.info(f"output: {out}")
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self.log("output: {}".format(out))
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raise Exception(
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"command `{}` failed (exit code {})".format(command, status)
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)
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@ -370,10 +428,12 @@ class Machine:
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"""Execute each command and check that it fails."""
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output = ""
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for command in commands:
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self.logger.info(f"must fail: {command}")
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with self.nested("must fail: {}".format(command)):
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(status, out) = self.execute(command)
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if status == 0:
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raise Exception("command `{}` unexpectedly succeeded".format(command))
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raise Exception(
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"command `{}` unexpectedly succeeded".format(command)
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)
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output += out
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return output
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@ -388,7 +448,7 @@ class Machine:
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status, output = self.execute(command)
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return status == 0
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self.logger.info(f"waiting for success: {command}")
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with self.nested("waiting for success: {}".format(command)):
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retry(check_success)
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return output
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@ -403,7 +463,7 @@ class Machine:
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status, output = self.execute(command)
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return status != 0
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self.logger.info(f"waiting for failure: {command}")
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with self.nested("waiting for failure: {}".format(command)):
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retry(check_failure)
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return output
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@ -411,7 +471,7 @@ class Machine:
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if not self.booted:
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return
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self.logger.info("waiting for the VM to power off")
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with self.nested("waiting for the VM to power off"):
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sys.stdout.flush()
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self.process.wait()
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@ -435,17 +495,17 @@ class Machine:
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def tty_matches(last: bool) -> bool:
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text = self.get_tty_text(tty)
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if last:
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self.logger.info(
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self.log(
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f"Last chance to match /{regexp}/ on TTY{tty}, "
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f"which currently contains: {text}"
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)
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return len(matcher.findall(text)) > 0
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self.logger.info(f"waiting for {regexp} to appear on tty {tty}")
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with self.nested("waiting for {} to appear on tty {}".format(regexp, tty)):
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retry(tty_matches)
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def send_chars(self, chars: List[str]) -> None:
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self.logger.info(f"sending keys ‘{chars}‘")
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with self.nested("sending keys ‘{}‘".format(chars)):
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for char in chars:
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self.send_key(char)
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@ -456,7 +516,7 @@ class Machine:
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status, _ = self.execute("test -e {}".format(filename))
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return status == 0
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self.logger.info(f"waiting for file ‘{filename}‘")
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with self.nested("waiting for file ‘{}‘".format(filename)):
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retry(check_file)
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def wait_for_open_port(self, port: int) -> None:
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@ -464,7 +524,7 @@ class Machine:
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status, _ = self.execute("nc -z localhost {}".format(port))
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return status == 0
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self.logger.info(f"waiting for TCP port {port}")
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with self.nested("waiting for TCP port {}".format(port)):
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retry(port_is_open)
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def wait_for_closed_port(self, port: int) -> None:
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@ -487,7 +547,7 @@ class Machine:
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if self.connected:
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return
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self.logger.info("waiting for the VM to finish booting")
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with self.nested("waiting for the VM to finish booting"):
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self.start()
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tic = time.time()
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@ -495,8 +555,8 @@ class Machine:
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# TODO: Timeout
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toc = time.time()
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self.logger.info("connected to guest root shell")
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self.logger.info(f"(connecting took {toc - tic:.2f} seconds)")
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self.log("connected to guest root shell")
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self.log("(connecting took {:.2f} seconds)".format(toc - tic))
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self.connected = True
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def screenshot(self, filename: str) -> None:
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@ -506,7 +566,10 @@ class Machine:
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filename = os.path.join(out_dir, "{}.png".format(filename))
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tmp = "{}.ppm".format(filename)
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self.logger.info(f"making screenshot {filename}")
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with self.nested(
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"making screenshot {}".format(filename),
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{"image": os.path.basename(filename)},
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):
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self.send_monitor_command("screendump {}".format(tmp))
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ret = subprocess.run("pnmtopng {} > {}".format(tmp, filename), shell=True)
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os.unlink(tmp)
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@ -587,7 +650,7 @@ class Machine:
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tess_args = "-c debug_file=/dev/null --psm 11 --oem 2"
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self.logger.info("performing optical character recognition")
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with self.nested("performing optical character recognition"):
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with tempfile.NamedTemporaryFile() as tmpin:
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self.send_monitor_command("screendump {}".format(tmpin.name))
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@ -596,7 +659,9 @@ class Machine:
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)
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ret = subprocess.run(cmd, shell=True, capture_output=True)
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if ret.returncode != 0:
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raise Exception("OCR failed with exit code {}".format(ret.returncode))
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raise Exception(
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"OCR failed with exit code {}".format(ret.returncode)
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)
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return ret.stdout.decode("utf-8")
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@ -606,15 +671,15 @@ class Machine:
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matches = re.search(regex, text) is not None
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if last and not matches:
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self.logger.info(f"Last OCR attempt failed. Text was: {text}")
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self.log("Last OCR attempt failed. Text was: {}".format(text))
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return matches
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self.logger.info(f"waiting for {regex} to appear on screen")
|
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with self.nested("waiting for {} to appear on screen".format(regex)):
|
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retry(screen_matches)
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|
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def wait_for_console_text(self, regex: str) -> None:
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self.logger.info(f"waiting for {regex} to appear on console")
|
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self.log("waiting for {} to appear on console".format(regex))
|
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# Buffer the console output, this is needed
|
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# to match multiline regexes.
|
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console = io.StringIO()
|
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@ -637,7 +702,7 @@ class Machine:
|
||||
if self.booted:
|
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return
|
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|
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self.logger.info("starting vm")
|
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self.log("starting vm")
|
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|
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def create_socket(path: str) -> socket.socket:
|
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if os.path.exists(path):
|
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@ -694,7 +759,7 @@ class Machine:
|
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|
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# Store last serial console lines for use
|
||||
# of wait_for_console_text
|
||||
self.last_lines: queue.Queue = queue.Queue()
|
||||
self.last_lines: Queue = Queue()
|
||||
|
||||
def process_serial_output() -> None:
|
||||
assert self.process.stdout is not None
|
||||
@ -702,7 +767,8 @@ class Machine:
|
||||
# Ignore undecodable bytes that may occur in boot menus
|
||||
line = _line.decode(errors="ignore").replace("\r", "").rstrip()
|
||||
self.last_lines.put(line)
|
||||
self.logger.info(line)
|
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eprint("{} # {}".format(self.name, line))
|
||||
self.logger.enqueue({"msg": line, "machine": self.name})
|
||||
|
||||
_thread.start_new_thread(process_serial_output, ())
|
||||
|
||||
@ -711,10 +777,10 @@ class Machine:
|
||||
self.pid = self.process.pid
|
||||
self.booted = True
|
||||
|
||||
self.logger.info(f"QEMU running (pid {self.pid})")
|
||||
self.log("QEMU running (pid {})".format(self.pid))
|
||||
|
||||
def cleanup_statedir(self) -> None:
|
||||
self.logger.info("delete the VM state directory")
|
||||
self.log("delete the VM state directory")
|
||||
if os.path.isfile(self.state_dir):
|
||||
shutil.rmtree(self.state_dir)
|
||||
|
||||
@ -729,7 +795,7 @@ class Machine:
|
||||
if not self.booted:
|
||||
return
|
||||
|
||||
self.logger.info("forced crash")
|
||||
self.log("forced crash")
|
||||
self.send_monitor_command("quit")
|
||||
self.wait_for_shutdown()
|
||||
|
||||
@ -749,7 +815,7 @@ class Machine:
|
||||
status, _ = self.execute("[ -e /tmp/.X11-unix/X0 ]")
|
||||
return status == 0
|
||||
|
||||
self.logger.info("waiting for the X11 server")
|
||||
with self.nested("waiting for the X11 server"):
|
||||
retry(check_x)
|
||||
|
||||
def get_window_names(self) -> List[str]:
|
||||
@ -763,13 +829,14 @@ class Machine:
|
||||
def window_is_visible(last_try: bool) -> bool:
|
||||
names = self.get_window_names()
|
||||
if last_try:
|
||||
self.logger.info(
|
||||
f"Last chance to match {regexp} on the window list, "
|
||||
+ f"which currently contains: {', '.join(names)}"
|
||||
self.log(
|
||||
"Last chance to match {} on the window list,".format(regexp)
|
||||
+ " which currently contains: "
|
||||
+ ", ".join(names)
|
||||
)
|
||||
return any(pattern.search(name) for name in names)
|
||||
|
||||
self.logger.info("Waiting for a window to appear")
|
||||
with self.nested("Waiting for a window to appear"):
|
||||
retry(window_is_visible)
|
||||
|
||||
def sleep(self, secs: int) -> None:
|
||||
@ -799,20 +866,21 @@ class Machine:
|
||||
|
||||
def create_machine(args: Dict[str, Any]) -> Machine:
|
||||
global log
|
||||
args["log"] = log
|
||||
args["redirectSerial"] = os.environ.get("USE_SERIAL", "0") == "1"
|
||||
return Machine(args)
|
||||
|
||||
|
||||
def start_all() -> None:
|
||||
global machines
|
||||
logger.info("starting all VMs")
|
||||
with log.nested("starting all VMs"):
|
||||
for machine in machines:
|
||||
machine.start()
|
||||
|
||||
|
||||
def join_all() -> None:
|
||||
global machines
|
||||
logger.info("waiting for all VMs to finish")
|
||||
with log.nested("waiting for all VMs to finish"):
|
||||
for machine in machines:
|
||||
machine.wait_for_shutdown()
|
||||
|
||||
@ -825,11 +893,12 @@ def run_tests() -> None:
|
||||
global machines
|
||||
tests = os.environ.get("tests", None)
|
||||
if tests is not None:
|
||||
logger.info("running the VM test script")
|
||||
with log.nested("running the VM test script"):
|
||||
try:
|
||||
exec(tests, globals())
|
||||
except Exception:
|
||||
logging.exception("error:")
|
||||
except Exception as e:
|
||||
eprint("error: ")
|
||||
traceback.print_exc()
|
||||
sys.exit(1)
|
||||
else:
|
||||
ptpython.repl.embed(locals(), globals())
|
||||
@ -843,19 +912,18 @@ def run_tests() -> None:
|
||||
|
||||
@contextmanager
|
||||
def subtest(name: str) -> Iterator[None]:
|
||||
logger.info(name)
|
||||
with log.nested(name):
|
||||
try:
|
||||
yield
|
||||
return True
|
||||
except Exception as e:
|
||||
logger.info(f'Test "{name}" failed with error: "{e}"')
|
||||
log.log(f'Test "{name}" failed with error: "{e}"')
|
||||
raise e
|
||||
|
||||
return False
|
||||
|
||||
|
||||
def main() -> None:
|
||||
global machines
|
||||
if __name__ == "__main__":
|
||||
arg_parser = argparse.ArgumentParser()
|
||||
arg_parser.add_argument(
|
||||
"-K",
|
||||
@ -865,6 +933,8 @@ def main() -> None:
|
||||
)
|
||||
(cli_args, vm_scripts) = arg_parser.parse_known_args()
|
||||
|
||||
log = Logger()
|
||||
|
||||
vlan_nrs = list(dict.fromkeys(os.environ.get("VLANS", "").split()))
|
||||
vde_sockets = [create_vlan(v) for v in vlan_nrs]
|
||||
for nr, vde_socket, _, _ in vde_sockets:
|
||||
@ -875,27 +945,23 @@ def main() -> None:
|
||||
if not cli_args.keep_vm_state:
|
||||
machine.cleanup_statedir()
|
||||
machine_eval = [
|
||||
"global {0}; {0} = machines[{1}]".format(m.name, idx)
|
||||
for idx, m in enumerate(machines)
|
||||
"{0} = machines[{1}]".format(m.name, idx) for idx, m in enumerate(machines)
|
||||
]
|
||||
exec("\n".join(machine_eval))
|
||||
|
||||
@atexit.register
|
||||
def clean_up() -> None:
|
||||
logger.info("cleaning up")
|
||||
with log.nested("cleaning up"):
|
||||
for machine in machines:
|
||||
if machine.pid is None:
|
||||
continue
|
||||
logger.info(f"killing {machine.name} (pid {machine.pid})")
|
||||
log.log("killing {} (pid {})".format(machine.name, machine.pid))
|
||||
machine.process.kill()
|
||||
for _, _, process, _ in vde_sockets:
|
||||
process.terminate()
|
||||
log.close()
|
||||
|
||||
tic = time.time()
|
||||
run_tests()
|
||||
toc = time.time()
|
||||
print("test script finished in {:.2f}s".format(toc - tic))
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
|
||||
@ -62,7 +62,7 @@ rec {
|
||||
''
|
||||
mkdir -p $out
|
||||
|
||||
tests='exec(os.environ["testScript"])' ${driver}/bin/nixos-test-driver
|
||||
LOGFILE=/dev/null tests='exec(os.environ["testScript"])' ${driver}/bin/nixos-test-driver
|
||||
|
||||
for i in */xchg/coverage-data; do
|
||||
mkdir -p $out/coverage-data
|
||||
|
||||
Loading…
Reference in New Issue
Block a user