Automation Engine plugin for ManageIQ.
There are two types of storage for the Automation Engine:
The Automation Datastore is the persistent storage and it can be viewed/edited by the EVM Automate Object Explorer. The data lives in SQL Tables beginning with miq_ae: miq_ae_namespaces, miq_ae_classes, miq_ae_fields, miq_ae_values, miq_ae_instances, miq_ae_methods. The Automation Workspace is the transient storage of the in-memory object hierarchy. There is a SQL Table called miq_ae_workspaces, but it is not currently leveraged and can be ignored for now.
Each Automation Engine invocation runs in an isolated Workspace.
Automate Engine is invoked with a URI and leverages URIs throughout. So, a solid understandings of URIs is a must. A URI stands for Uniform Resource Identifier and can be read about here http://en.wikipedia.org/wiki/Uniform_Resource_Identifier and http://tools.ietf.org/html/rfc3986.
Here is a grammar for a URI:
URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ]
hier-part = "//" authority path-abempty
/ path-absolute
/ path-rootless
/ path-empty
Here is a typical example:
foo://example.com:8042/over/there?name=ferret#mouth
\_/ \______________/\_________/ \_________/ \___/
| | | | |
scheme authority path query fragment
The Automation Engine supports two schemes (currently):
| Scheme | Description |
|---|---|
miqaedb |
get an object from the Automation Datastore |
miqaews |
get an object from the Automation Workspace |
Database Layout:
MIQ_AE_NAMESPACES Table (each row defines a NAMESPACE in the system)
id ==> ID of the Namespace
parent_id ==> ID of the parent Namespace (NULL if root)
display_name ==> Display Name of the Namespace
description ==> Description of the Namespace
name ==> Name of the Namespace
created_on ==> ctime (Creation Timestamp)
updated_on ==> mtime (Modification Timestamp)
MIQ_AE_CLASSES Table (each row defines a CLASS in the system)
id ==> ID of the Class
display_name ==> Display Name of the Class
description ==> Description of the Class
namespace_id ==> ID of the Namespace
name ==> Name of the Class
type ==> Type of the Class (abstract ==> No Instances Allowed, ...)
inherits ==> Name of the Inherited Class (NULL if no inheritance)
visibility ==> Private ==> only visible within Resolution; Public ==> accessible to caller of Resolution
owner ==> Owner of the Class
created_on ==> ctime (Creation Timestamp)
updated_on ==> mtime (Modification Timestamp)
MIQ_AE_FIELDS Table (each row defines a FIELD in the system)
id ==> ID of the Field
name ==> Name of the Field
display_name ==> Display Name of the Field
description ==> Description of the Field
aetype ==> AE Type of the Field (assertion, attribute, relationship, method, state)
datatype ==> Type of the Field Data (string, integer, boolean, ...)
priority ==> Order of the Field (within the Class)
owner ==> Owner of the Field
scope ==> Scope of the Field
default_value ==> Default of the Field (the default value)
substitute ==> Substitution Enabled?
message ==> Message that this Field responds to
visibility ==> Private ==> only visible within Resolution; Public ==> accessible to caller of Resolution
collect ==> Collection/Aggregation definition
condition ==> Condition (IF/UNLESS) that indicates whether to process
class_id ==> ID of the Class that this Field belongs to
method_id ==> ID of the Method that this Field belongs to
created_on ==> ctime (Creation Timestamp)
updated_on ==> mtime (Modification Timestamp)
MIQ_AE_INSTANCES Table (each row defines an INSTANCE of a specific class)
id ==> ID of the Instance
name ==> Name of the Instance
display_name ==> Display Name of the Instance
description ==> Description of the Instance
class_id ==> ID of the Class that this Instance belongs to
inherits ==> Name of the Inherited Class (NULL if no inheritance)
created_on ==> ctime (Creation Timestamp)
updated_on ==> mtime (Modification Timestamp)
MIQ_AE_VALUES Table (each row defines a VALUE of a specific field in a specific instance)
id ==> ID of the Value
display_name ==> Display Name of the Value
value ==> VALUE of the Value
instance_id ==> ID of the Instance
field_id ==> ID of the Field
collect ==> Collection/Aggregation definition
condition ==> Condition (IF/UNLESS) that indicates whether to process
created_on ==> ctime (Creation Timestamp)
updated_on ==> mtime (Modification Timestamp)
MIQ_AE_WORKSPACES Table (keeps instantiated trees)
id ==> ID of the Workspace
guid ==> GUID of the Workspace
uri ==> URI of the Workspace
workspace ==> Binary representation of the Workspace
setters ==> Binary representation of attributes overridden externally
created_on ==> ctime (Creation Timestamp)
updated_on ==> mtime (Modification Timestamp)
- Add
display_namefor namespace and value (for STEP field and completeness) - Add condition for field and value (IF/UNLESS)
- Add collect for value (overrides definition in FIELD)
- Define new type of field called STEP
AE_DIPshould process steps as follows:- Should convert steps to relationships appending
#${#ae_message} - Dynamically call methods
before_stepandafter_step(oron_state_change) - Should roughly internalize working of
provision_state_machineto allow for others to be defined easier
- Should convert steps to relationships appending
See the section on plugins in the ManageIQ Developer Setup
For quick local setup run bin/setup, which will clone the core ManageIQ repository under the spec directory and setup necessary config files. If you have already cloned it, you can run bin/update to bring the core ManageIQ code up to date.
The gem is available as open source under the terms of the Apache License 2.0.
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request
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