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authorJoshua Harlow <harlowja@yahoo-inc.com>2012-06-20 16:37:10 -0700
committerJoshua Harlow <harlowja@yahoo-inc.com>2012-06-20 16:37:10 -0700
commit787377dbc08f689e4de2a112b5446f89b46d769e (patch)
tree8bf5a2f6b317b19e77cf2836e8e00c6909cea6f8 /cloudinit/config/apt_pipelining.py
parentf733796967dcfeb9ad641b8f4856a34044f8c264 (diff)
downloadvyos-cloud-init-787377dbc08f689e4de2a112b5446f89b46d769e.tar.gz
vyos-cloud-init-787377dbc08f689e4de2a112b5446f89b46d769e.zip
The 'cfg' module has been removed and moved to 'helpers' to avoid confusion. These modules used the 'cfg' modules so adjusted them.
Diffstat (limited to 'cloudinit/config/apt_pipelining.py')
-rw-r--r--cloudinit/config/apt_pipelining.py57
1 files changed, 57 insertions, 0 deletions
diff --git a/cloudinit/config/apt_pipelining.py b/cloudinit/config/apt_pipelining.py
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+++ b/cloudinit/config/apt_pipelining.py
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+# vi: ts=4 expandtab
+#
+# Copyright (C) 2011 Canonical Ltd.
+#
+# Author: Ben Howard <ben.howard@canonical.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3, as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from cloudinit import util
+from cloudinit.settings import PER_INSTANCE
+
+frequency = PER_INSTANCE
+
+distros = ['ubuntu', 'debian']
+
+DEFAULT_FILE = "/etc/apt/apt.conf.d/90cloud-init-pipelining"
+
+# Acquire::http::Pipeline-Depth can be a value
+# from 0 to 5 indicating how many outstanding requests APT should send.
+# A value of zero MUST be specified if the remote host does not properly linger
+# on TCP connections - otherwise data corruption will occur.
+
+
+def handle(_name, cfg, cloud, log, _args):
+
+ apt_pipe_value = util.get_cfg_option_str(cfg, "apt_pipelining", False)
+ apt_pipe_value_s = str(apt_pipe_value).lower().strip()
+
+ if apt_pipe_value_s == "false":
+ write_apt_snippet(cloud, "0", log, DEFAULT_FILE)
+ elif apt_pipe_value_s in ("none", "unchanged", "os"):
+ return
+ elif apt_pipe_value_s in [str(b) for b in xrange(0, 6)]:
+ write_apt_snippet(cloud, apt_pipe_value_s, log, DEFAULT_FILE)
+ else:
+ log.warn("Invalid option for apt_pipeling: %s", apt_pipe_value)
+
+
+def write_apt_snippet(cloud, setting, log, f_name):
+ """ Writes f_name with apt pipeline depth 'setting' """
+
+ file_contents = ("//Written by cloud-init per 'apt_pipelining'\n"
+ 'Acquire::http::Pipeline-Depth "%s";\n') % (setting)
+
+ util.write_file(cloud.paths.join(False, f_name), file_contents)
+
+ log.debug("Wrote %s with apt pipeline depth setting %s", f_name, setting)