etr.plugins.resources.ResourceManager Class Reference

Resource Manager that acquires and releases resources as well as keeping the record of acquired/released resources. More...

Public Member Functions
def	__init__ (self, resfile, host, storage)
def	has_sources (self)
	Returns true if there are any sources configured, false otherwise. More...
def	acquire_resource (self, name, type, tags=None)
	Acquire a matching resource using a type and a list of tags. More...
def	release_resource (self, source, resource_id)
	Releases specified resource and then remove it from the database. More...
def	get_acquired_resources (self)
	Get already acquired resources. More...
def	get_acquired_resource_names (self)
	Get already acquired resources names. More...
def	release_all_resources (self)
	Release all acquired resources. More...

Detailed Description

Resource Manager that acquires and releases resources as well as keeping the record of acquired/released resources.

Resource Manager has two resource provider sources, the remote service and the local host "offline" resource configuration.

Resource Manager prioritizes the local resources if it matches.

Constructor & Destructor Documentation

__init__()

def etr.plugins.resources.ResourceManager.__init__	(		self,
			resfile,
			host,
			storage
	)

Parameters

resfile	Resource file for local resources
host	Address to the remote resource manager
storage	The storage manager to use

Member Function Documentation

acquire_resource()

def etr.plugins.resources.ResourceManager.acquire_resource	(		self,
			name,
			type,
			tags = None
	)

Acquire a matching resource using a type and a list of tags.

   First acquisition from local resources is attempted. If that fails the remote service is
   attempted.

Parameters

name	Clients name for the resource.
type	Resource type
tags	Tags that must match. Optional and is empty by default.

Returns

attributes

get_acquired_resource_names()

def etr.plugins.resources.ResourceManager.get_acquired_resource_names

(

self

)

Get already acquired resources names.

get_acquired_resources()

def etr.plugins.resources.ResourceManager.get_acquired_resources

(

self

)

Get already acquired resources.

has_sources()

def etr.plugins.resources.ResourceManager.has_sources

(

self

)

Returns true if there are any sources configured, false otherwise.

release_all_resources()

def etr.plugins.resources.ResourceManager.release_all_resources

(

self

)

Release all acquired resources.

release_resource()

def etr.plugins.resources.ResourceManager.release_resource	(		self,
			source,
			resource_id
	)

Releases specified resource and then remove it from the database.

Parameters

source	Source url for the resource
resource_id	Unique resource id

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The documentation for this class was generated from the following file:

• etr/src/etr/plugins/resources.py