28c4b7310f
Change-Id: I47a3127ef698b4bd1537b1562901ee9c2b5924d4
216 lines
6.7 KiB
Groff
216 lines
6.7 KiB
Groff
.\"
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.\" Author: Joao Marcelo Martins <marcelo.martins@rackspace.com> or <btorch@gmail.com>
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.\" Copyright (c) 2012 OpenStack Foundation.
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.\"
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.\" Licensed under the Apache License, Version 2.0 (the "License");
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.\" you may not use this file except in compliance with the License.
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.\" You may obtain a copy of the License at
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.\"
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.\" http://www.apache.org/licenses/LICENSE-2.0
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.\"
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.\" Unless required by applicable law or agreed to in writing, software
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.\" distributed under the License is distributed on an "AS IS" BASIS,
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.\" WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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.\" implied.
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.\" See the License for the specific language governing permissions and
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.\" limitations under the License.
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.\"
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.TH object-expirer.conf 5 "03/15/2012" "Linux" "OpenStack Swift"
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.SH NAME
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.LP
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.B object-expirer.conf
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\- configuration file for the openstack-swift object exprier daemon
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.SH SYNOPSIS
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.LP
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.B object-expirer.conf
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.SH DESCRIPTION
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.PP
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This is the configuration file used by the object expirer daemon. The daemon's
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function is to query the internal hidden expiring_objects_account to discover
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objects that need to be deleted and to then delete them.
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The configuration file follows the python-pastedeploy syntax. The file is divided
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into sections, which are enclosed by square brackets. Each section will contain a
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certain number of key/value parameters which are described later.
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Any line that begins with a '#' symbol is ignored.
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You can find more information about python-pastedeploy configuration format at
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\fIhttp://pythonpaste.org/deploy/#config-format\fR
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.SH GLOBAL SECTION
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.PD 1
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.RS 0
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This is indicated by section named [DEFAULT]. Below are the parameters that
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are acceptable within this section.
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.IP \fBswift_dir\fR
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Swift configuration directory. The default is /etc/swift.
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.IP \fBuser\fR
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The system user that the object server will run as. The default is swift.
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.IP \fBlog_name\fR
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Label used when logging. The default is swift.
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.IP \fBlog_facility\fR
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Syslog log facility. The default is LOG_LOCAL0.
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.IP \fBlog_level\fR
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Logging level. The default is INFO.
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.IP \fBlog_address\fR
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Logging address. The default is /dev/log.
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.IP \fBlog_max_line_length\fR
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The following caps the length of log lines to the value given; no limit if
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set to 0, the default.
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.IP \fBlog_custom_handlers\fR
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Comma separated list of functions to call to setup custom log handlers.
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functions get passed: conf, name, log_to_console, log_route, fmt, logger,
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adapted_logger. The default is empty.
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.IP \fBlog_udp_host\fR
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If set, log_udp_host will override log_address.
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.IP "\fBlog_udp_port\fR
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UDP log port, the default is 514.
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.IP \fBlog_statsd_host\fR = localhost
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log_statsd_* enable StatsD logging.
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.IP \fBlog_statsd_port\fR
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The default is 8125.
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.IP \fBlog_statsd_default_sample_rate\fR
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The default is 1.
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.IP \fBlog_statsd_sample_rate_factor\fR
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The default is 1.
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.IP \fBlog_statsd_metric_prefix\fR
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The default is empty.
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.RE
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.PD
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.SH PIPELINE SECTION
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.PD 1
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.RS 0
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This is indicated by section name [pipeline:main]. Below are the parameters that
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are acceptable within this section.
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.IP "\fBpipeline\fR"
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It is used when you need to apply a number of filters. It is a list of filters
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ended by an application. The default should be \fB"catch_errors cache proxy-server"\fR
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.RE
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.PD
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.SH APP SECTION
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.PD 1
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.RS 0
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This is indicated by section name [app:object-server]. Below are the parameters
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that are acceptable within this section.
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.IP "\fBuse\fR"
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Entry point for paste.deploy for the object server. This is the reference to the installed python egg.
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The default is \fBegg:swift#proxy\fR. See proxy-server.conf-sample for options or See proxy-server.conf manpage.
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.RE
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.PD
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.SH FILTER SECTION
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.PD 1
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.RS 0
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Any section that has its name prefixed by "filter:" indicates a filter section.
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Filters are used to specify configuration parameters for specific swift middlewares.
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Below are the filters available and respective acceptable parameters.
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.RS 0
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.IP "\fB[filter:cache]\fR"
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.RE
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Caching middleware that manages caching in swift.
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.RS 3
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.IP \fBuse\fR
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Entry point for paste.deploy for the memcache middleware. This is the reference to the installed python egg.
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The default is \fBegg:swift#memcache\fR. See proxy-server.conf-sample for options or See proxy-server.conf manpage.
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.RE
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.RS 0
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.IP "\fB[filter:catch_errors]\fR"
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.RE
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.RS 3
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.IP \fBuse\fR
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Entry point for paste.deploy for the catch_errors middleware. This is the reference to the installed python egg.
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The default is \fBegg:swift#catch_errors\fR. See proxy-server.conf-sample for options or See proxy-server.conf manpage.
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.RE
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.RS 0
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.IP "\fB[filter:proxy-logging]\fR"
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.RE
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Logging for the proxy server now lives in this middleware.
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If the access_* variables are not set, logging directives from [DEFAULT]
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without "access_" will be used.
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.RS 3
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.IP \fBuse\fR
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Entry point for paste.deploy for the proxy_logging middleware. This is the reference to the installed python egg.
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This is normally \fBegg:swift#proxy_logging\fR. See proxy-server.conf-sample for options or See proxy-server.conf manpage.
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.RE
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.PD
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.SH ADDITIONAL SECTIONS
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.PD 1
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.RS 0
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The following sections are used by other swift-account services, such as replicator,
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auditor and reaper.
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.IP "\fB[account-replicator]\fR"
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.RE
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.RS 3
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.IP \fBinterval\fR
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Replaces run_pause with the more standard "interval", which means the replicator won't pause unless it takes less than the interval set. The default is 300.
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.IP "\fBauto_create_account_prefix\fR
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The default is ".".
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.IP \fBexpiring_objects_account_name\fR
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The default is 'expiring_objects'.
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.IP \fBreport_interval\fR
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The default is 300 seconds.
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.IP \fBconcurrency\fR
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Number of replication workers to spawn. The default is 1.
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.IP \fBprocesses\fR
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Processes is how many parts to divide the work into, one part per process that will be doing the work.
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Processes set 0 means that a single process will be doing all the work.
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Processes can also be specified on the command line and will override the config value.
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The default is 0.
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.IP \fBprocess\fR
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Process is which of the parts a particular process will work on process can also be specified
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on the command line and will override the config value process is "zero based", if you want
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to use 3 processes, you should run processes with process set to 0, 1, and 2. The default is 0.
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.IP \fBreclaim_age\fR
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The expirer will re-attempt expiring if the source object is not available
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up to reclaim_age seconds before it gives up and deletes the entry in the
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queue. The default is 604800 seconds.
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.IP \fBrecon_cache_path\fR
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Path to recon cache directory. The default is /var/cache/swift.
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.RE
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.PD
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.SH DOCUMENTATION
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.LP
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More in depth documentation about the swift-object-expirer and
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also Openstack-Swift as a whole can be found at
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.BI http://swift.openstack.org/admin_guide.html
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and
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.BI http://swift.openstack.org
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.SH "SEE ALSO"
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.BR swift-proxy-server.conf(5),
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