zhang-hare f5caac43ac Add profiling middleware in Swift

The profile middleware provide a tool to profile Swift
code on the fly and collect statistic data for performance
analysis. An native simple Web UI is also provided to help
query and visualize the data.

Change-Id: I6a1554b2f8dc22e9c8cd20cff6743513eb9acc05
Implements: blueprint profiling-middleware

2014-05-08 18:31:07 +08:00

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Middleware

Account Quotas

swift.common.middleware.account_quotas

Bulk Operations (Delete and Archive Auto Extraction)

swift.common.middleware.bulk

CatchErrors

swift.common.middleware.catch_errors

CNAME Lookup

swift.common.middleware.cname_lookup

Container Quotas

swift.common.middleware.container_quotas

Container Sync Middleware

swift.common.middleware.container_sync

Cross Domain Policies

swift.common.middleware.crossdomain

Discoverability

Swift will by default provide clients with an interface providing details about the installation. Unless disabled (i.e expose_info=false in proxy-server-config), a GET request to /info will return configuration data in JSON format. An example response:

{"swift": {"version": "1.11.0"}, "staticweb": {}, "tempurl": {}}

This would signify to the client that swift version 1.11.0 is running and that staticweb and tempurl are available in this installation.

There may be administrator-only information available via /info. To retrieve it, one must use an HMAC-signed request, similar to TempURL. The signature may be produced like so:

swift-temp-url GET 3600 /info secret 2>/dev/null | sed s/temp_url/swiftinfo/g

Domain Remap

swift.common.middleware.domain_remap

Dynamic Large Objects

swift.common.middleware.dlo

FormPost

swift.common.middleware.formpost

GateKeeper

swift.common.middleware.gatekeeper

Healthcheck

swift.common.middleware.healthcheck

KeystoneAuth

swift.common.middleware.keystoneauth

List Endpoints

swift.common.middleware.list_endpoints

Memcache

swift.common.middleware.memcache

Name Check (Forbidden Character Filter)

swift.common.middleware.name_check

Proxy Logging

swift.common.middleware.proxy_logging

Ratelimit

swift.common.middleware.ratelimit

Recon

swift.common.middleware.recon

Static Large Objects

swift.common.middleware.slo

StaticWeb

swift.common.middleware.staticweb

TempAuth

swift.common.middleware.tempauth

TempURL

swift.common.middleware.tempurl

XProfile

swift.common.middleware.xprofile

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