extend, not append

This commit is contained in:
Gregor Kleen 2023-05-29 17:10:40 +02:00
parent 6be4f57a49
commit 202e2e391f

View File

@ -404,9 +404,8 @@ def main():
import_args += [archive_name, "-"]
logger.debug("%s", {"import_args": import_args, "env": env})
try:
def download_iter():
def download_iter():
try:
offset = 0
retries = 10
while True:
@ -416,6 +415,9 @@ def main():
backup.creation,
backup.version_id,
)
if download:
download.close()
download.release_conn()
download = minio.get_object(
bucket_name="gitlab-backups",
object_name=backup.filename,
@ -443,141 +445,135 @@ def main():
raise e
retries -= 1
sleep(uniform(0, 10))
finally:
download.close()
download.release_conn()
download_stream = download_iter()
download_stream = download_iter()
with subprocess.Popen(
import_args,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env,
preexec_fn=lambda: as_borg(),
text=True,
) as proc:
proc_logger = logger.getChild("borg")
stdout_logger = proc_logger.getChild("stdout")
stderr_logger = proc_logger.getChild("stderr")
with subprocess.Popen(
import_args,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env,
preexec_fn=lambda: as_borg(),
text=True,
) as proc:
proc_logger = logger.getChild("borg")
stdout_logger = proc_logger.getChild("stdout")
stderr_logger = proc_logger.getChild("stderr")
os.set_blocking(proc.stdin.fileno(), False)
os.set_blocking(proc.stdout.fileno(), False)
os.set_blocking(proc.stderr.fileno(), False)
os.set_blocking(proc.stdin.fileno(), False)
os.set_blocking(proc.stdout.fileno(), False)
os.set_blocking(proc.stderr.fileno(), False)
poll = select.poll()
poll.register(
proc.stdin, select.POLLOUT | select.POLLHUP | select.POLLERR
)
poll.register(
proc.stdout,
select.POLLIN
| select.POLLPRI
| select.POLLHUP
| select.POLLERR,
)
poll.register(
proc.stderr,
select.POLLIN
| select.POLLPRI
| select.POLLHUP
| select.POLLERR,
)
pollc = 3
logger.debug("First poll...")
events = poll.poll()
logger.debug("Done, %d event(s)", len(events))
pipe_buffer = b""
stdout_line_buffer = bytearray(b"")
stderr_line_buffer = bytearray(b"")
while pollc > 0 and len(events) > 0:
for rfd, event in events:
logger.debug("rfd=%d, event=%x", rfd, event)
if event & select.POLLOUT:
if rfd == proc.stdin.fileno():
if chunk := pipe_buffer[:PIPE_BUF]:
logger.debug(
"Writing chunk of length %d...", len(chunk)
)
proc.stdin.buffer.write(chunk)
logger.debug("Done")
pipe_buffer = pipe_buffer[PIPE_BUF:]
elif pipe_buffer := next(download_stream, b""):
logger.debug(
"Accepted chunk of length %d",
len(pipe_buffer),
)
poll = select.poll()
poll.register(
proc.stdin, select.POLLOUT | select.POLLHUP | select.POLLERR
)
poll.register(
proc.stdout,
select.POLLIN | select.POLLPRI | select.POLLHUP | select.POLLERR,
)
poll.register(
proc.stderr,
select.POLLIN | select.POLLPRI | select.POLLHUP | select.POLLERR,
)
pollc = 3
logger.debug("First poll...")
events = poll.poll()
logger.debug("Done, %d event(s)", len(events))
pipe_buffer = b""
stdout_line_buffer = bytearray(b"")
stderr_line_buffer = bytearray(b"")
while pollc > 0 and len(events) > 0:
for rfd, event in events:
logger.debug("rfd=%d, event=%x", rfd, event)
if event & select.POLLOUT:
if rfd == proc.stdin.fileno():
if chunk := pipe_buffer[:PIPE_BUF]:
logger.debug(
"Writing chunk of length %d...", len(chunk)
)
proc.stdin.buffer.write(chunk)
logger.debug("Done")
pipe_buffer = pipe_buffer[PIPE_BUF:]
elif pipe_buffer := next(download_stream, b""):
logger.debug(
"Accepted chunk of length %d",
len(pipe_buffer),
)
else:
proc.stdin.close()
if event & select.POLLIN or event & select.POLLPRI:
if rfd == proc.stdout.fileno():
logger.debug("Reading from stdout...")
if chunk := proc.stdout.read(PIPE_BUF):
logger.debug("Done, length %d", len(chunk))
stdout_line_buffer.extend(chunk)
while True:
line, sep, rest = stdout_line_buffer.partition(
b"\n"
)
if sep:
stdout_logger.info(line)
stdout_line_buffer = rest
else:
proc.stdin.close()
if event & select.POLLIN or event & select.POLLPRI:
if rfd == proc.stdout.fileno():
logger.debug("Reading from stdout...")
if chunk := proc.stdout.read(PIPE_BUF):
logger.debug("Done, length %d", len(chunk))
stdout_line_buffer.append(chunk)
while True:
line, sep, rest = stdout_line_buffer.partition(
b"\n"
)
if sep:
stdout_logger.info(line)
stdout_line_buffer = rest
else:
break
if rfd == proc.stderr.fileno():
logger.debug("Reading from stderr...")
if chunk := proc.stderr.read(PIPE_BUF):
logger.debug("Done, length %d", len(chunk))
stderr_line_buffer.append(chunk)
while True:
line, sep, rest = stderr_line_buffer.partition(
b"\n"
)
if sep:
stderr_logger.info(line)
stderr_line_buffer = rest
else:
break
if event & select.POLLERR:
if rfd == proc.stdin.fileno():
logger.error("STDIN error")
if rfd == proc.stdout.fileno():
logger.error("STDOUT error")
if rfd == proc.stderr.fileno():
logger.error("STDERR error")
if event & select.POLLHUP:
if rfd == proc.stdin.fileno():
logger.debug("STDIN closed")
if rfd == proc.stdout.fileno():
logger.debug("STDOUT closed")
if rfd == proc.stderr.fileno():
logger.debug("STDERR closed")
poll.unregister(rfd)
pollc -= 1
break
if rfd == proc.stderr.fileno():
logger.debug("Reading from stderr...")
if chunk := proc.stderr.read(PIPE_BUF):
logger.debug("Done, length %d", len(chunk))
stderr_line_buffer.extend(chunk)
while True:
line, sep, rest = stderr_line_buffer.partition(
b"\n"
)
if sep:
stderr_logger.info(line)
stderr_line_buffer = rest
else:
break
if event & select.POLLERR:
if rfd == proc.stdin.fileno():
logger.error("STDIN error")
if rfd == proc.stdout.fileno():
logger.error("STDOUT error")
if rfd == proc.stderr.fileno():
logger.error("STDERR error")
if event & select.POLLHUP:
if rfd == proc.stdin.fileno():
logger.debug("STDIN closed")
if rfd == proc.stdout.fileno():
logger.debug("STDOUT closed")
if rfd == proc.stderr.fileno():
logger.debug("STDERR closed")
poll.unregister(rfd)
pollc -= 1
if pollc > 0:
logger.debug("Poll...")
events = poll.poll()
logger.debug("Done, %d event(s)", len(events))
else:
logger.debug("Nothing left to poll")
if pollc > 0:
logger.debug("Poll...")
events = poll.poll()
logger.debug("Done, %d event(s)", len(events))
else:
logger.debug("Nothing left to poll")
if stdout_line_buffer:
for line in stdout_line_buffer.split(b"\n"):
stdout_logger.info(line)
if stderr_line_buffer:
for line in stderr_line_buffer.split(b"\n"):
stderr_logger.info(line)
if stdout_line_buffer:
for line in stdout_line_buffer.split(b"\n"):
stdout_logger.info(line)
if stderr_line_buffer:
for line in stderr_line_buffer.split(b"\n"):
stderr_logger.info(line)
for handler in proc_logger.handlers:
handler.flush()
for handler in proc_logger.handlers:
handler.flush()
logger.debug("Waiting on subprocess...")
ret = proc.wait()
logger.debug("Done")
if ret != 0:
raise Exception(f"borg subprocess exited with returncode {ret}")
finally:
download.close()
download.release_conn()
logger.debug("Waiting on subprocess...")
ret = proc.wait()
logger.debug("Done")
if ret != 0:
raise Exception(f"borg subprocess exited with returncode {ret}")
copied.add(backup)