99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
#!/usr/bin/env python3
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# This file is part of Cockpit.
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#
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# Copyright (C) 2015 Red Hat, Inc.
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#
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# Cockpit is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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#
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# Cockpit is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Cockpit; If not, see <http://www.gnu.org/licenses/>.
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import json
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import os
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import shutil
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import subprocess
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import sys
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import tarfile
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import tempfile
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__all__ = (
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'Sink',
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)
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BOTS = os.path.join(os.path.dirname(__file__), "..")
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class Sink(object):
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def __init__(self, host, identifier, status=None):
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self.attachments = tempfile.mkdtemp(prefix="attachments.", dir="/var/tmp")
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os.environ["TEST_ATTACHMENTS"] = self.attachments
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self.status = status
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# Start a gzip and cat processes
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self.ssh = subprocess.Popen([
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"ssh", "-o", "ServerAliveInterval=30", host, "--",
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"python", "sink", identifier
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], stdin=subprocess.PIPE)
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# Send the status line
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self.ssh.stdin.write(json.dumps(status).encode('utf-8') + b"\n")
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self.ssh.stdin.flush()
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# Now dup our own output and errors into the pipeline
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sys.stdout.flush()
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self.fout = os.dup(1)
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os.dup2(self.ssh.stdin.fileno(), 1)
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sys.stderr.flush()
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self.ferr = os.dup(2)
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os.dup2(self.ssh.stdin.fileno(), 2)
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def attach(self, filename):
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shutil.copy(filename, self.attachments)
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def flush(self, status=None):
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assert self.ssh is not None
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# Reset stdout back
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sys.stdout.flush()
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os.dup2(self.fout, 1)
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os.close(self.fout)
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self.fout = -1
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# Reset stderr back
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sys.stderr.flush()
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os.dup2(self.ferr, 2)
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os.close(self.ferr)
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self.ferr = -1
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# Splice in the github status
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if status is None:
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status = self.status
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if status is not None:
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self.ssh.stdin.write(b"\n" + json.dumps(status).encode('utf-8'))
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# Send a zero character and send the attachments
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files = os.listdir(self.attachments)
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if len(files):
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self.ssh.stdin.write(b'\x00')
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self.ssh.stdin.flush()
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with tarfile.open(name="attachments.tgz", mode="w:gz", fileobj=self.ssh.stdin) as tar:
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for filename in files:
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tar.add(os.path.join(self.attachments, filename), arcname=filename, recursive=True)
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shutil.rmtree(self.attachments)
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# All done sending output
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self.ssh.stdin.close()
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# SSH should terminate by itself
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ret = self.ssh.wait()
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if ret != 0:
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raise subprocess.CalledProcessError(ret, "ssh")
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self.ssh = None
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