Manage the connection and communications to a PSquared server.
psquared_client project contains both the
psquared_client package that
provides a python interface to a PSqaured server, and the
pp-cli command line
interface that uses that package to all copmmand line access to the server.
More details about the
pp-cli executable can be found using its help option
but here are some examples of retrieving information.
(Note: unless you are using the default local PSquared server you will need to the the environmental
PP_APPLICATION to point the server you want to use.)
To list the currently active configurations
To list the known versions of a given configuration
pp-cli -i <configuration>
To display the current state of one or more items for a configuration/version.
pp-cli -i -V <version> <configuration> item ...
To display the history of one or more items for a configuration/version.
pp-cli -H -V <version> <configuration> item ...
As an alternate, the list of items to be acted upon can be supplied in a file with one item per line. Thus the following displays the current state of a set of items listed in a file for a configuration/version.
pp-cli -i -f <file> -V <version> <configuration>
Here are some examples of commands that affect the state of PSquared. (Note: you may need an authorized certificate to execute these types of commands.)
To submit one or more items for processing with a configuration/version.
pp-cli -i -s -V <version> <configuration> item ...
To resolve the failure of one or more items for a configuration/version.
pp-cli -i --resolve -V <version> <configuration> item ...
The other transitions,
andrecover` have similar options.
psquared_client package provides the
PSquared class that can be used to
access a PSqaured server and a
Display module that can display the responses
of a PSquared server in a readable format.
PSquared class provides various documents in reponse to a request to the
PSquared server. The documents are in the form of a standard python
ElementTree. Currently the following methods are supported.
get_application- returns the application document at the URL
get_configuration- returns the configuration document the named configuration
get_report- returns the requested report document
execute_submissions- submits a list of items for processing
execute_transitions- execute a transition for a list of items
Display modules provides various methods for displaying the reponses that
result from a request to the PSquared server. Currently the following methods
configurations- displays all the configurations contained in an application document
versions- displays all the versions of a named configuration
entry- displays the state of a given item
info- displays the states of a set of items contained in a report
histories- displays the history of one or more items contained in history document
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