8d1278cae8
If auth is setup in the env then it needs to be copied over with the make_request wsgi helper. Also renamed make_request to make_subrequest- when I grepped for make_request I got > 250 results, this'll make it easier to find references to this function in the future. Updated docs and sample confs to show tempurl needs to be before dlo and slo as well as auth. Change-Id: I9750555727f520a7c9fedd5f4fd31ff0f63d8088
562 lines
21 KiB
Groff
562 lines
21 KiB
Groff
.\"
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.\" Author: Joao Marcelo Martins <marcelo.martins@rackspace.com> or <btorch@gmail.com>
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.\" Copyright (c) 2010-2012 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 proxy-server.conf 5 "8/26/2011" "Linux" "OpenStack Swift"
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.SH NAME
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.LP
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.B proxy-server.conf
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\- configuration file for the openstack-swift proxy server
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.SH SYNOPSIS
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.LP
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.B proxy-server.conf
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.SH DESCRIPTION
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.PP
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This is the configuration file used by the proxy server and other proxy middlewares.
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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 "\fBbind_ip\fR"
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IP address the proxy server should bind to. The default is 0.0.0.0 which will make
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it bind to all available addresses.
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.IP "\fBbind_port\fR"
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TCP port the proxy server should bind to. The default is 80.
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.IP \fBbacklog\fR
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TCP backlog. Maximum number of allowed pending connections. The default value is 4096.
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.IP \fBworkers\fR
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The number of pre-forked processes that will accept connections. Zero means
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no fork. The default is auto which will make the server try to match the
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number of effective cpu cores if python multiprocessing is available (included
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with most python distributions >= 2.6) or fallback to one. It's worth noting
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that individual workers will use many eventlet co-routines to service multiple
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concurrent requests.
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.IP \fBmax_clients\fR
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Maximum number of clients one worker can process simultaneously (it will
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actually accept(2) N + 1). Setting this to one (1) will only handle one request
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at a time, without accepting another request concurrently. The default is 1024.
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.IP \fBuser\fR
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The system user that the proxy server will run as. The default is swift.
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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 \fBcert_file\fR
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Location of the SSL certificate file. The default path is /etc/swift/proxy.crt. This is
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disabled by default.
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.IP \fBkey_file\fR
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Location of the SSL certificate key file. The default path is /etc/swift/proxy.key. This is
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disabled by default.
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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 \fBtrans_id_suffix\fR
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This optional suffix (default is empty) that would be appended to the swift transaction
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id allows one to easily figure out from which cluster that X-Trans-Id belongs to.
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This is very useful when one is managing more than one swift cluster.
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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 apply a number of filters. It is a list of filters
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ended by an application. The normal pipeline is "catch_errors healthcheck
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cache ratelimit tempauth proxy-logging proxy-server".
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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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.IP "\fB[filter:healthcheck]\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 healthcheck middleware. This is the reference to the installed python egg.
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This is normally \fBegg:swift#healthcheck\fR.
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.IP "\fBdisable_path\fR"
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An optional filesystem path which, if present, will cause the healthcheck
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URL to return "503 Service Unavailable" with a body of "DISABLED BY FILE".
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.RE
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.RS 0
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.IP "\fB[filter:tempauth]\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 tempauth middleware. This is the reference to the installed python egg.
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This is normally \fBegg:swift#tempauth\fR.
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.IP "\fBset log_name\fR"
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Label used when logging. The default is tempauth.
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.IP "\fBset log_facility\fR"
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Syslog log facility. The default is LOG_LOCAL0.
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.IP "\fBset log_level\fR "
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Logging level. The default is INFO.
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.IP "\fBset log_address\fR"
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Logging address. The default is /dev/log.
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.IP "\fBset log_headers\fR "
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Enables the ability to log request headers. The default is False.
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.IP \fBreseller_prefix\fR
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The reseller prefix will verify a token begins with this prefix before even
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attempting to validate it. Also, with authorization, only Swift storage accounts
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with this prefix will be authorized by this middleware. Useful if multiple auth
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systems are in use for one Swift cluster. The default is AUTH.
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.IP \fBauth_prefix\fR
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The auth prefix will cause requests beginning with this prefix to be routed
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to the auth subsystem, for granting tokens, etc. The default is /auth/.
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.IP \fBtoken_life\fR
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This is the time in seconds before the token expires. The default is 86400.
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.IP \fBuser_<account>_<user>\fR
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Lastly, you need to list all the accounts/users you want here. The format is:
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user_<account>_<user> = <key> [group] [group] [...] [storage_url]
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There are special groups of: \fI.reseller_admin\fR who can do anything to any account for this auth
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and also \fI.admin\fR who can do anything within the account.
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If neither of these groups are specified, the user can only access containers that
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have been explicitly allowed for them by a \fI.admin\fR or \fI.reseller_admin\fR.
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The trailing optional storage_url allows you to specify an alternate url to hand
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back to the user upon authentication. If not specified, this defaults to
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\fIhttp[s]://<ip>:<port>/v1/<reseller_prefix>_<account>\fR where http or https depends
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on whether cert_file is specified in the [DEFAULT] section, <ip> and <port> are based
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on the [DEFAULT] section's bind_ip and bind_port (falling back to 127.0.0.1 and 8080),
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<reseller_prefix> is from this section, and <account> is from the user_<account>_<user> name.
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Here are example entries, required for running the tests:
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.RE
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.PD 0
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.RS 10
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.IP "user_admin_admin = admin .admin .reseller_admin"
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.IP "user_test_tester = testing .admin"
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.IP "user_test2_tester2 = testing2 .admin"
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.IP "user_test_tester3 = testing3"
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.RE
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.PD
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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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This is normally \fBegg:swift#memcache\fR.
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.IP "\fBset log_name\fR"
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Label used when logging. The default is memcache.
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.IP "\fBset log_facility\fR"
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Syslog log facility. The default is LOG_LOCAL0.
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.IP "\fBset log_level\fR "
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Logging level. The default is INFO.
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.IP "\fBset log_address\fR"
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Logging address. The default is /dev/log.
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.IP "\fBset log_headers\fR "
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Enables the ability to log request headers. The default is False.
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.IP \fBmemcache_servers\fR
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If not set in the configuration file, the value for memcache_servers will be
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read from /etc/swift/memcache.conf (see memcache.conf-sample) or lacking that
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file, it will default to 127.0.0.1:11211. You can specify multiple servers
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separated with commas, as in: 10.1.2.3:11211,10.1.2.4:11211.
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.IP \fBmemcache_serialization_support\fR
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This sets how memcache values are serialized and deserialized:
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.RE
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.PD 0
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.RS 10
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.IP "0 = older, insecure pickle serialization"
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.IP "1 = json serialization but pickles can still be read (still insecure)"
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.IP "2 = json serialization only (secure and the default)"
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.RE
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.RS 10
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To avoid an instant full cache flush, existing installations should upgrade with 0, then set to 1 and reload, then after some time (24 hours) set to 2 and reload. In the future, the ability to use pickle serialization will be removed.
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If not set in the configuration file, the value for memcache_serialization_support will be read from /etc/swift/memcache.conf if it exists (see memcache.conf-sample). Otherwise, the default value as indicated above will be used.
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.RE
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.RS 0
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.IP "\fB[filter:ratelimit]\fR"
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.RE
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Rate limits requests on both an Account and Container level. Limits are configurable.
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.RS 3
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.IP \fBuse\fR
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Entry point for paste.deploy for the ratelimit middleware. This is the reference to the installed python egg.
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This is normally \fBegg:swift#ratelimit\fR.
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.IP "\fBset log_name\fR"
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Label used when logging. The default is ratelimit.
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.IP "\fBset log_facility\fR"
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Syslog log facility. The default is LOG_LOCAL0.
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.IP "\fBset log_level\fR "
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Logging level. The default is INFO.
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.IP "\fBset log_address\fR"
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Logging address. The default is /dev/log.
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.IP "\fBset log_headers\fR "
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Enables the ability to log request headers. The default is False.
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.IP \fBclock_accuracy\fR
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This should represent how accurate the proxy servers' system clocks are with each other.
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1000 means that all the proxies' clock are accurate to each other within 1 millisecond.
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No ratelimit should be higher than the clock accuracy. The default is 1000.
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.IP \fBmax_sleep_time_seconds\fR
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App will immediately return a 498 response if the necessary sleep time ever exceeds
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the given max_sleep_time_seconds. The default is 60 seconds.
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.IP \fBlog_sleep_time_seconds\fR
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To allow visibility into rate limiting set this value > 0 and all sleeps greater than
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the number will be logged. If set to 0 means disabled. The default is 0.
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.IP \fBrate_buffer_seconds\fR
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Number of seconds the rate counter can drop and be allowed to catch up
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(at a faster than listed rate). A larger number will result in larger spikes in
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rate but better average accuracy. The default is 5.
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.IP \fBaccount_ratelimit\fR
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If set, will limit PUT and DELETE requests to /account_name/container_name. Number is
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in requests per second. If set to 0 means disabled. The default is 0.
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.IP \fBaccount_whitelist\fR
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Comma separated lists of account names that will not be rate limited. The default is ''.
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.IP \fBaccount_blacklist\fR
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Comma separated lists of account names that will not be allowed. Returns a 497 response.
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The default is ''.
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.IP \fBcontainer_ratelimit_size\fR
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When set with container_limit_x = r: for containers of size x, limit requests per second
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to r. Will limit PUT, DELETE, and POST requests to /a/c/o. The default is ''.
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.RE
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.RS 0
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.IP "\fB[filter:domain_remap]\fR"
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.RE
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Middleware that translates container and account parts of a domain to path parameters that the proxy server understands. The container.account.storageurl/object gets translated to container.account.storageurl/path_root/account/container/object and account.storageurl/path_root/container/object gets translated to account.storageurl/path_root/account/container/object
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.RS 3
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.IP \fBuse\fR
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Entry point for paste.deploy for the domain_remap middleware. This is the reference to the installed python egg.
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This is normally \fBegg:swift#domain_remap\fR.
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.IP "\fBset log_name\fR"
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Label used when logging. The default is domain_remap.
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.IP "\fBset log_address\fR"
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Logging address. The default is /dev/log.
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.IP "\fBset log_headers\fR"
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Enables the ability to log request headers. The default is False.
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.IP \fBstorage_domain\fR
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The domain to be used by the middleware.
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.IP \fBpath_root\fR
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The path root value for the storage URL. The default is v1.
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.IP \fBreseller_prefixes\fR
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Browsers can convert a host header to lowercase, so check that reseller
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prefix on the account is the correct case. This is done by comparing the
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items in the reseller_prefixes config option to the found prefix. If they
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match except for case, the item from reseller_prefixes will be used
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instead of the found reseller prefix. The reseller_prefixes list is exclusive.
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If defined, any request with an account prefix not in that list will be ignored
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by this middleware. Defaults to 'AUTH'.
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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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This is normally \fBegg:swift#catch_errors\fR.
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.IP "\fBset log_name\fR"
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Label used when logging. The default is catch_errors.
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.IP "\fBset log_facility\fR"
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Syslog log facility. The default is LOG_LOCAL0.
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.IP "\fBset log_level\fR "
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Logging level. The default is INFO.
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.IP "\fBset log_address\fR "
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Logging address. The default is /dev/log.
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.IP "\fBset log_headers\fR"
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Enables the ability to log request headers. The default is False.
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.RE
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.RS 0
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.IP "\fB[filter:cname_lookup]\fR"
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.RE
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Note: this middleware requires python-dnspython
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.RS 3
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.IP \fBuse\fR
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Entry point for paste.deploy for the cname_lookup middleware. This is the reference to the installed python egg.
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This is normally \fBegg:swift#cname_lookup\fR.
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.IP "\fBset log_name\fR"
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Label used when logging. The default is cname_lookup.
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.IP "\fBset log_facility\fR"
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Syslog log facility. The default is LOG_LOCAL0.
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.IP "\fBset log_level\fR "
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Logging level. The default is INFO.
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.IP "\fBset log_address\fR"
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Logging address. The default is /dev/log.
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.IP "\fBset log_headers\fR"
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Enables the ability to log request headers. The default is False.
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.IP \fBstorage_domain\fR
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The domain to be used by the middleware.
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.IP \fBlookup_depth\fR
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How deep in the CNAME chain to look for something that matches the storage domain.
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The default is 1.
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.RE
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.RS 0
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.IP "\fB[filter:staticweb]\fR"
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.RE
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Note: Put staticweb just after your auth filter(s) in the pipeline
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.RS 3
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.IP \fBuse\fR
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Entry point for paste.deploy for the staticweb middleware. This is the reference to the installed python egg.
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This is normally \fBegg:swift#staticweb\fR.
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.IP \fBcache_timeout\fR
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Seconds to cache container x-container-meta-web-* header values. The default is 300 seconds.
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.IP "\fBset log_name\fR"
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Label used when logging. The default is staticweb.
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.IP "\fBset log_facility\fR"
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Syslog log facility. The default is LOG_LOCAL0.
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.IP "\fBset log_level\fR "
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Logging level. The default is INFO.
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.IP "\fBset log_address\fR "
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Logging address. The default is /dev/log.
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.IP "\fBset log_headers\fR"
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Enables the ability to log request headers. The default is False.
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.IP "\fBset access_log_name\fR"
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Label used when logging. The default is staticweb.
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.IP "\fBset access_log_facility\fR"
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Syslog log facility. The default is LOG_LOCAL0.
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.IP "\fBset access_log_level\fR "
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Logging level. The default is INFO.
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.RE
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.RS 0
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.IP "\fB[filter:tempurl]\fR"
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.RE
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Note: Put tempurl before slo, dlo, and your auth filter(s) in the pipeline
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.RS 3
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.IP \fBincoming_remove_headers\fR
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The headers to remove from incoming requests. Simply a whitespace delimited list of header names and names can optionally end with '*' to indicate a prefix match. incoming_allow_headers is a list of exceptions to these removals.
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.IP \fBincoming_allow_headers\fR
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The headers allowed as exceptions to incoming_remove_headers. Simply a whitespace delimited list of header names and names can optionally end with '*' to indicate a prefix match.
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.IP "\fBoutgoing_remove_headers\fR"
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The headers to remove from outgoing responses. Simply a whitespace delimited list of header names and names can optionally end with '*' to indicate a prefix match. outgoing_allow_headers is a list of exceptions to these removals.
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.IP "\fBoutgoing_allow_headers\fR"
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The headers allowed as exceptions to outgoing_remove_headers. Simply a whitespace delimited list of header names and names can optionally end with '*' to indicate a prefix match.
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.IP "\fBset log_level\fR "
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.RE
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.RS 0
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.IP "\fB[filter:formpost]\fR"
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.RE
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Note: Put formpost just before your auth filter(s) in the pipeline
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.RS 3
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.IP \fBuse\fR
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Entry point for paste.deploy for the formpost middleware. This is the reference to the installed python egg.
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This is normally \fBegg:swift#formpost\fR.
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.RE
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.RS 0
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.IP "\fB[filter:name_check]\fR"
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.RE
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Note: Just needs to be placed before the proxy-server in the pipeline.
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.RS 3
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.IP \fBuse\fR
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Entry point for paste.deploy for the name_check middleware. This is the reference to the installed python egg.
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This is normally \fBegg:swift#name_check\fR.
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.IP \fBforbidden_chars\fR
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Characters that will not be allowed in a name.
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.IP \fBmaximum_length\fR
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Maximum number of characters that can be in the name.
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.IP \fBforbidden_regexp\fR
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Python regular expressions of substrings that will not be allowed in a name.
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.RE
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.RS 0
|
|
.IP "\fB[filter:proxy-logging]\fR"
|
|
.RE
|
|
|
|
Logging for the proxy server now lives in this middleware.
|
|
If the access_* variables are not set, logging directives from [DEFAULT]
|
|
without "access_" will be used.
|
|
|
|
.RS 3
|
|
.IP \fBuse\fR
|
|
Entry point for paste.deploy for the proxy_logging middleware. This is the reference to the installed python egg.
|
|
This is normally \fBegg:swift#proxy_logging\fR.
|
|
.IP "\fBaccess_log_name\fR"
|
|
Label used when logging. The default is proxy-server.
|
|
.IP "\fBaccess_log_facility\fR"
|
|
Syslog log facility. The default is LOG_LOCAL0.
|
|
.IP "\fBaccess_log_level\fR "
|
|
Logging level. The default is INFO.
|
|
.IP \fBaccess_log_address\fR
|
|
Default is /dev/log.
|
|
.IP \fBaccess_log_udp_host\fR
|
|
If set, access_log_udp_host will override access_log_address. Default is
|
|
unset.
|
|
.IP \fBaccess_log_udp_port\fR
|
|
Default is 514.
|
|
.IP \fBaccess_log_statsd_host\fR
|
|
You can use log_statsd_* from [DEFAULT], or override them here.
|
|
Default is localhost.
|
|
.IP \fBaccess_log_statsd_port\fR
|
|
Default is 8125.
|
|
.IP \fBaccess_log_statsd_default_sample_rate\fR
|
|
Default is 1.
|
|
.IP \fBaccess_log_statsd_metric_prefix\fR
|
|
Default is "" (empty-string)
|
|
.IP \fBaccess_log_headers\fR
|
|
Default is False.
|
|
.IP \fBlog_statsd_valid_http_methods\fR
|
|
What HTTP methods are allowed for StatsD logging (comma-sep); request methods
|
|
not in this list will have "BAD_METHOD" for the <verb> portion of the metric.
|
|
Default is "GET,HEAD,POST,PUT,DELETE,COPY,OPTIONS".
|
|
.RE
|
|
|
|
|
|
.PD
|
|
|
|
|
|
|
|
|
|
.SH APP SECTION
|
|
.PD 1
|
|
.RS 0
|
|
This is indicated by section name [app:proxy-server]. Below are the parameters
|
|
that are acceptable within this section.
|
|
.IP \fBuse\fR
|
|
Entry point for paste.deploy for the proxy server. This is the reference to the installed python egg.
|
|
This is normally \fBegg:swift#proxy\fR.
|
|
.IP "\fBset log_name\fR"
|
|
Label used when logging. The default is proxy-server.
|
|
.IP "\fBset log_facility\fR"
|
|
Syslog log facility. The default is LOG_LOCAL0.
|
|
.IP "\fBset log_level\fR"
|
|
Logging level. The default is INFO.
|
|
.IP "\fBset log_address\fR"
|
|
Logging address. The default is /dev/log.
|
|
.IP \fBlog_handoffs\fR
|
|
Log when handoff locations are used. Default is True.
|
|
.IP \fBrecheck_account_existence\fR
|
|
Cache timeout in seconds to send memcached for account existence. The default is 60 seconds.
|
|
.IP \fBrecheck_container_existence\fR
|
|
Cache timeout in seconds to send memcached for container existence. The default is 60 seconds.
|
|
.IP \fBobject_chunk_size\fR
|
|
Chunk size to read from object servers. The default is 8192.
|
|
.IP \fBclient_chunk_size\fR
|
|
Chunk size to read from clients. The default is 8192.
|
|
.IP \fBnode_timeout\fR
|
|
Request timeout to external services. The default is 10 seconds.
|
|
.IP \fBclient_timeoutt\fR
|
|
Timeout to read one chunk from a client. The default is 60 seconds.
|
|
.IP \fBconn_timeout\fR
|
|
Connection timeout to external services. The default is 0.5 seconds.
|
|
.IP \fBerror_suppression_interval\fR
|
|
Time in seconds that must elapse since the last error for a node to
|
|
be considered no longer error limited. The default is 60 seconds.
|
|
.IP \fBerror_suppression_limit\fR
|
|
Error count to consider a node error limited. The default is 10.
|
|
.IP \fBallow_account_management\fR
|
|
Whether account PUTs and DELETEs are even callable. If set to 'true' any authorized
|
|
user may create and delete accounts; if 'false' no one, even authorized, can. The default
|
|
is false.
|
|
.IP \fBobject_post_as_copy\fR
|
|
Set object_post_as_copy = false to turn on fast posts where only the metadata changes
|
|
are stored as new and the original data file is kept in place. This makes for quicker
|
|
posts; but since the container metadata isn't updated in this mode, features like
|
|
container sync won't be able to sync posts. The default is True.
|
|
.IP \fBaccount_autocreate\fR
|
|
If set to 'true' authorized accounts that do not yet exist within the Swift cluster
|
|
will be automatically created. The default is set to false.
|
|
.IP \fBrate_limit_after_segment\fR
|
|
Start rate-limiting object segments after the Nth segment of a segmented
|
|
object. The default is 10 segments.
|
|
.IP \fBrate_limit_segments_per_sec\fR
|
|
Once segment rate-limiting kicks in for an object, limit segments served to N
|
|
per second. The default is 1.
|
|
.RE
|
|
.PD
|
|
|
|
.SH DOCUMENTATION
|
|
.LP
|
|
More in depth documentation about the swift-proxy-server and
|
|
also Openstack-Swift as a whole can be found at
|
|
.BI http://swift.openstack.org/admin_guide.html
|
|
and
|
|
.BI http://swift.openstack.org
|
|
|
|
.SH "SEE ALSO"
|
|
.BR swift-proxy-server(1)
|