Some documentation updates
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9
README
9
README
@ -21,6 +21,15 @@ Tools
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a Gearman job server to create/modify load balancers on the local
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machine.
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* libra_api
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Python daemon to act as the client API server.
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* libra_admin_api
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Python daemon providing an admininstrative API server primarily for
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libra_pool_mgm and libra_statsd
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Running Tests
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-------------
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@ -1,5 +1,5 @@
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PI Configuration
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=================
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Admin API Configuration
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=======================
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These options are specific to the Admin API in addition to the
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:doc:`common options </config>`.
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@ -1,10 +1,6 @@
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Load Balancer as a Service (LBaaS) API Specification
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====================================================
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**Date:** February 8, 2013
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**Document Version:** 0.6
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1. Overview
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-----------
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@ -1254,7 +1250,9 @@ None required.
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13.5 Required HTTP Header Values
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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**X-Auth-Token**
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- **X-Auth-Token**
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- **Accept: application/json**
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- **Content-Type: application/json**
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13.6 Request Body
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~~~~~~~~~~~~~~~~~
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@ -2278,13 +2276,13 @@ Features Currently Not Implemented or Supported
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The following features are not supported.
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1. Node 'weight' values are not supported.
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1. IPV6 address types are not supported.
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2. IPV6 address types are not supported.
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2. HTTPS protocol for load balancers are not supported. It is not
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advertised in /protocols request. Instead TCP will be used for port 443
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and the HTTPS connections will be passed through the load balancer with no
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termination at the load balancer.
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3. HTTPS protocol for load balancers are not supported. It is not
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advertised in /protocols request.
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4. The ability to list deleted load balancers is not supported.
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3. The ability to list deleted load balancers is yet not supported.
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12
doc/conf.py
12
doc/conf.py
@ -42,8 +42,8 @@ source_suffix = '.rst'
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master_doc = 'index'
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# General information about the project.
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project = u'LBaaS Worker and Pool Manager'
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copyright = u'2012, Andrew Hutchings, David Shrewsbury'
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project = u'Libra LBaaS Toolset'
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copyright = u'2013, Hewlett-Packard Development Company, L.P.'
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# The version info for the project you're documenting, acts as replacement for
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# |version| and |release|, also used in various other places throughout the
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@ -190,8 +190,8 @@ htmlhelp_basename = 'LBaaSdoc'
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# (source start file, target name, title, author,
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# documentclass [howto/manual]).
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latex_documents = [
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('index', 'Libra-{0}.tex'.format(version), u'Libra Client, Worker and Pool Manager Documentation',
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u'Andrew Hutchings and David Shrewsbury', 'manual'),
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('index', 'Libra-{0}.tex'.format(version), u'Libra LBaaS Toolset Documentation',
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u'Hewlett-Packard Development Company, L.P.', 'manual'),
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]
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#pdf_documents = [('index', 'Libra-{0}'.format(version), u'Libra Client, Worker and Pool Manager Documentation', u'Andrew Hutchings and David Shrewsbury')]
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@ -229,6 +229,6 @@ latex_documents = [
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# One entry per manual page. List of tuples
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# (source start file, name, description, authors, manual section).
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man_pages = [
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('index', 'lbaas', u'LBaaS Worker and Pool Manager',
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[u'Andrew Hutchings and David Shrewsbury'], 1)
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('index', 'lbaas', u'Libra LBaaS Toolset',
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[u'Hewlett-Packard Development Company, L.P.'], 1)
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]
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@ -2,14 +2,16 @@ Introduction
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============
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Libra is a Load Balancer as a Service (LBaaS) system originally designed by
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Hewlett-Packard Cloud Services. It consists of three of the core components
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Hewlett-Packard Cloud Services. It consists of five core components
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required to get LBaaS working:
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* A node pool manager to keep a warm spare pool of load balancers ready
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* A node worker to asyncronusly communicate to the API server
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* A monitoring system for the load balancers
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* A customer API server
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* An administrative API server
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It does not (yet) include the API server itself or HAProxy. The API server is
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based on the Atlas API system but communicates to the workers using gearman.
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The API server is based on a modified version of the Atlas API specification.
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Layout
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------
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@ -18,11 +20,14 @@ Layout
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Here you can see that the pool manager spins up the required Nova nodes with
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the load balancer image. It then hands the details of this node over the the
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API server.
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Admin API server.
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The client sends an Atlas API request to the API server which in-turn sends the
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The client sends an API request to the API server which in-turn sends the
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configuration information to the worker on the load balancer node. The worker
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has a plugin API to speak to multiple load balancer types but is currently
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has a plugin system to speak to multiple load balancer types but is currently
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designed to use HAProxy.
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The statsd monitoring system routinely probes the workers and can alert on as
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well as disable faulty nodes.
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The parts of this diagram in orange are provided by the libra codebase.
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@ -1,5 +1,5 @@
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Statsd Monitoring Daemon
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========================
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Libra Statsd Monitoring Daemon
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==============================
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.. toctree::
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:maxdepth: 2
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