54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
# vi: ts=4 expandtab
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#
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# Copyright (C) 2011 Canonical Ltd.
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#
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# Author: Ben Howard <ben.howard@canonical.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 3, as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import cloudinit.util as util
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from cloudinit.CloudConfig import per_instance
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frequency = per_instance
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default_file = "/etc/apt/apt.conf.d/90cloud-init-pipelining"
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def handle(_name, cfg, _cloud, log, _args):
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apt_pipe_value = util.get_cfg_option_str(cfg, "apt_pipelining", False)
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apt_pipe_value = str(apt_pipe_value).lower()
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if apt_pipe_value == "false":
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write_apt_snippet("0", log)
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elif apt_pipe_value in ("none", "unchanged", "os"):
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return
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elif apt_pipe_value in str(range(0, 6)):
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write_apt_snippet(apt_pipe_value, log)
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else:
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log.warn("Invalid option for apt_pipeling: %s" % apt_pipe_value)
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def write_apt_snippet(setting, log, f_name=default_file):
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""" Writes f_name with apt pipeline depth 'setting' """
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acquire_pipeline_depth = 'Acquire::http::Pipeline-Depth "%s";\n'
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file_contents = ("//Written by cloud-init per 'apt_pipelining'\n"
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+ (acquire_pipeline_depth % setting))
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util.write_file(f_name, file_contents)
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log.debug("Wrote %s with APT pipeline setting" % f_name)
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