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#
# Copyright OpenEmbedded Contributors
#
# SPDX-License-Identifier: MIT
#
import os
import socketserver
import subprocess
import time
import urllib
import pathlib
from oeqa.core.decorator import OETestTag
from oeqa.selftest.case import OESelftestTestCase
from oeqa.utils.commands import bitbake, get_bb_var, runqemu
class Debuginfod(OESelftestTestCase):
def wait_for_debuginfod(self, port):
"""
debuginfod takes time to scan the packages and requesting too early may
result in a test failure if the right packages haven't been scanned yet.
Request the metrics endpoint periodically and wait for there to be no
busy scanning threads.
Returns if debuginfod is ready, raises an exception if not within the
timeout.
"""
# Wait two minutes
countdown = 24
delay = 5
latest = None
while countdown:
self.logger.info("waiting...")
time.sleep(delay)
self.logger.info("polling server")
if self.debuginfod.poll():
self.logger.info("server dead")
self.debuginfod.communicate()
self.fail("debuginfod terminated unexpectedly")
self.logger.info("server alive")
try:
with urllib.request.urlopen("http://localhost:%d/metrics" % port, timeout=10) as f:
for line in f.read().decode("ascii").splitlines():
key, value = line.rsplit(" ", 1)
if key == "thread_busy{role=\"scan\"}":
latest = int(value)
self.logger.info("Waiting for %d scan jobs to finish" % latest)
if latest == 0:
return
except urllib.error.URLError as e:
# TODO: how to catch just timeouts?
self.logger.error(e)
countdown -= 1
raise TimeoutError("Cannot connect debuginfod, still %d scan jobs running" % latest)
def start_debuginfod(self, feed_dir):
# We assume that the caller has already bitbake'd elfutils-native:do_addto_recipe_sysroot
# Save some useful paths for later
native_sysroot = pathlib.Path(get_bb_var("RECIPE_SYSROOT_NATIVE", "elfutils-native"))
native_bindir = native_sysroot / "usr" / "bin"
self.debuginfod = native_bindir / "debuginfod"
self.debuginfod_find = native_bindir / "debuginfod-find"
cmd = [
self.debuginfod,
"--verbose",
# In-memory database, this is a one-shot test
"--database=:memory:",
# Don't use all the host cores
"--concurrency=8",
"--connection-pool=8",
# Disable rescanning, this is a one-shot test
"--rescan-time=0",
"--groom-time=0",
feed_dir,
]
format = get_bb_var("PACKAGE_CLASSES").split()[0]
if format == "package_deb":
cmd.append("--scan-deb-dir")
elif format == "package_ipk":
cmd.append("--scan-deb-dir")
elif format == "package_rpm":
cmd.append("--scan-rpm-dir")
else:
self.fail("Unknown package class %s" % format)
# Find a free port. Racey but the window is small.
with socketserver.TCPServer(("localhost", 0), None) as s:
self.port = s.server_address[1]
cmd.append("--port=%d" % self.port)
self.logger.info(f"Starting server {cmd}")
self.debuginfod = subprocess.Popen(cmd, env={})
self.wait_for_debuginfod(self.port)
def test_debuginfod_native(self):
"""
Test debuginfod outside of qemu, by building a package and looking up a
binary's debuginfo using elfutils-native.
"""
self.write_config("""
TMPDIR = "${TOPDIR}/tmp-debuginfod"
DISTRO_FEATURES:append = " debuginfod"
INHERIT += "localpkgfeed"
""")
bitbake("elfutils-native:do_addto_recipe_sysroot xz xz:do_package xz:do_localpkgfeed")
try:
self.start_debuginfod(get_bb_var("LOCALPKGFEED_DIR", "xz"))
env = os.environ.copy()
env["DEBUGINFOD_URLS"] = "http://localhost:%d/" % self.port
pkgs = pathlib.Path(get_bb_var("PKGDEST", "xz"))
cmd = (self.debuginfod_find, "debuginfo", pkgs / "xz" / "usr" / "bin" / "xz.xz")
self.logger.info(f"Starting client {cmd}")
output = subprocess.check_output(cmd, env=env, text=True)
# This should be more comprehensive
self.assertIn("/.cache/debuginfod_client/", output)
finally:
self.debuginfod.kill()
@OETestTag("runqemu")
def test_debuginfod_qemu(self):
"""
Test debuginfod-find inside a qemu, talking to a debuginfod on the host.
"""
self.write_config("""
TMPDIR = "${TOPDIR}/tmp-debuginfod"
DISTRO_FEATURES:append = " debuginfod"
INHERIT += "localpkgfeed"
CORE_IMAGE_EXTRA_INSTALL += "elfutils xz"
""")
bitbake("core-image-minimal elfutils-native:do_addto_recipe_sysroot xz:do_localpkgfeed")
try:
self.start_debuginfod(get_bb_var("LOCALPKGFEED_DIR", "xz"))
with runqemu("core-image-minimal", runqemuparams="nographic") as qemu:
cmd = "DEBUGINFOD_URLS=http://%s:%d/ debuginfod-find debuginfo /usr/bin/xz" % (qemu.server_ip, self.port)
self.logger.info(f"Starting client {cmd}")
status, output = qemu.run_serial(cmd)
# This should be more comprehensive
self.assertIn("/.cache/debuginfod_client/", output)
finally:
self.debuginfod.kill()
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