Changes between Version 5 and Version 6 of DRM4G/UseCases

Timestamp:

Dec 14, 2016 7:09:34 PM (6 years ago)

Author:

minondoa

Comment:

--

DRM4G/UseCases

@@ -53 +53 @@
 }}}
 {{{#!td
-1. The user uses the option "--lifetime" to create an identity for a specific period of time
+1. The user uses the option `--lifetime` to create an identity for a specific period of time
 }}}
 
@@ -348 +348 @@
 }}}
 {{{#!td
-1. The user uses the option "--ntasks" to determine how many times he wants to have the same job executed
-1. The user uses the option "--dep" to define the job dependency list of the job
+1. The user uses the option `--ntasks` to determine how many times he wants to have the same job executed
+1. The user uses the option `--dep` to define the job dependency list of the job
 }}}
 
@@ -422 +422 @@
 
 {{{#!th colspan=2 align=justify
-'''Use case''': Listing VMs with IDs
-}}}
-|----------------
-{{{#!td
-'''Description'''
-}}}
-{{{#!td
-
-}}}
-|----------------
-{{{#!td
-'''Primary Actor'''
-}}}
-{{{#!td
-
-}}}
-|----------------
-{{{#!td
-'''Preconditions'''
-}}}
-{{{#!td
-
-}}}
-|----------------
-{{{#!td
-'''Basic Flow'''
-}}}
-{{{#!td
-
-}}}
-|----------------
-{{{#!td
-'''Postconditions'''
-}}}
-{{{#!td
-
-}}}
-|----------------
-{{{#!td
-'''Alternate Flow'''
-}}}
-{{{#!td
-
-}}}
-
-
-
-
-
-
-[[br]]
-
-
-
-
-
-{{{#!th colspan=2 align=justify
-'''Use case''': Adding VMs dynamically
-}}}
-|----------------
-{{{#!td
-'''Description'''
-}}}
-{{{#!td
-
-}}}
-|----------------
-{{{#!td
-'''Primary Actor'''
-}}}
-{{{#!td
-
-}}}
-|----------------
-{{{#!td
-'''Preconditions'''
-}}}
-{{{#!td
-
-}}}
-|----------------
-{{{#!td
-'''Basic Flow'''
-}}}
-{{{#!td
-
-}}}
-|----------------
-{{{#!td
-'''Postconditions'''
-}}}
-{{{#!td
-
-}}}
-|----------------
-{{{#!td
-'''Alternate Flow'''
-}}}
-{{{#!td
-
+'''Use case''': Listing VMs with IDs [=#ListingVmswithIDs]
+}}}
+|----------------
+{{{#!td
+'''Description'''
+}}}
+{{{#!td
+When running the command `drm4g resource list --all`, the program will detect if the resource it's listing is a VM and list its ''host id''
+}}}
+|----------------
+{{{#!td
+'''Primary Actor'''
+}}}
+{{{#!td
+User
+}}}
+|----------------
+{{{#!td
+'''Preconditions'''
+}}}
+{{{#!td
+* The user must have previously [#CreatingVMs created VMs]
+}}}
+|----------------
+{{{#!td
+'''Basic Flow'''
+}}}
+{{{#!td
+1. The user runs the command `drm4g resource list --all`
+2. If the program detects that the resource it's listing is a VM, it will add to the rest of its information it shows its ''host id''.
+}}}
+|----------------
+{{{#!td
+'''Postconditions'''
+}}}
+{{{#!td
+* A list with information from every resource will be displayed
+* VMs' information will display its host id
+}}}
+|----------------
+{{{#!td
+'''Alternate Flow'''
+}}}
+{{{#!td
+
+}}}
+
+
+
+
+
+
+[[br]]
+
+
+
+
+
+{{{#!th colspan=2 align=justify
+'''Use case''': Creating VMs dynamically [=#CreatingVMsdynamically]
+}}}
+|----------------
+{{{#!td
+'''Description'''
+}}}
+{{{#!td
+In the case that a user wants to create a certain number of instances with one specific configuration, instead of having to modify his configuration file, the user can determine with a command how many instances he wants to create and which specific resource configuration to use from the ones he has defined in the configuration file
+}}}
+|----------------
+{{{#!td
+'''Primary Actor'''
+}}}
+{{{#!td
+User
+}}}
+|----------------
+{{{#!td
+'''Preconditions'''
+}}}
+{{{#!td
+* There must be a resource in the configuration defined with the purpose for the creation of VMs
+}}}
+|----------------
+{{{#!td
+'''Basic Flow'''
+}}}
+{{{#!td
+1. The user runs the command `drm4g resource <resource_name>  create`
+ a. `<resource_name>` has to be the same as the section name in the configuration file
+1. The DRM4G will use the configuration defined in the section `resource name` to create as many VM as that resource has specified
+}}}
+|----------------
+{{{#!td
+'''Postconditions'''
+}}}
+{{{#!td
+* Even if there may be other resources defined with the purpose of creating VMs, only the ones specified for the resource `resouce_name` will have been created
+}}}
+|----------------
+{{{#!td
+'''Alternate Flow'''
+}}}
+{{{#!td
+1. The user uses the option `--instances` to determine how many VMs should be created with the specified configuration
+ a. This will overwrite the value specified in the configuration file
 }}}