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| − | == Mistral DSL version 2 specification == | + | == This Wiki is no longer maintained == |
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| − | === Workflows ===
| + | Please see the [https://docs.openstack.org/mistral/latest/user/wf_lang_v2.html Mistral Workflow language documentation]. |
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| − | TODO
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| − | ==== Workflow Types ====
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| − | ==== Direct Workflow ====
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| − | ===== Attributes =====
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| − | * '''tasks''' - list of tasks in this workflow, each task represents a computational step in the workflow.
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| − | ===== YAML example: =====
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| − | TODO
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| − | ===== Direct Workflow Task =====
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| − | Represents a step in workflow, for example 'TODO'
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| − | ====== Attributes ======
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| − | * '''action''' - name of action to perform
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| − | * '''workflow''' - name of workflow to perform
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| − | * '''input''' - actual parameters for the task, each value can be either some number, string etc, or YAQL expression to retrieve value from task context
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| − | * '''on-success''' - task which will be scheduled on execution after current task has finished with state 'SUCCESS'
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| − | * '''on-error''' - task which will be scheduled on execution after current task has finished with state 'ERROR'
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| − | * '''on-finish''' - task which will be scheduled on execution after current task has finished
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| − | ====== YAML example: ======
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| − | '''TODO'''
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| − | ==== Reverse Workflow ====
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| − | ===== Attributes =====
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| − | * '''tasks''' - list of tasks in this workflow, each task represents a computational step in the workflow.
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| − | ===== YAML example: =====
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| − | TODO
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| − | ===== Reverse Workflow Task =====
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| − | Represents a step in workflow, for example 'TODO'
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| − | ====== Attributes ======
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| − | * '''action''' - name of action to perform
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| − | * '''workflow''' - name of workflow to perform
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| − | * '''requires''' - list of tasks which should be execute before this tasks, or list of task names as a keys and condition as a value, this is optional parameter
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| − | * '''input''' - actual parameters for the task, each value can be either some number, string etc, or YAQL expression to retrieve value from task context
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| − | ====== YAML example: ======
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| − | '''TODO'''
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| − | === Actions ===
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| − | TODO
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| − | ==== Attributes ====
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| − | * '''name''' - action name (string without space, mandatory attribute).
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| − | * '''base''' - name of base action that this action is built on top of.
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| − | * '''base-input''' - dictionary whose structure is defined by action class. For example, for 'std.http' action it contains 'url', 'method', 'body' and 'headers' according to HTTP protocol specification.
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| − | * '''input''' - list containing parameter names which should or could be specified in task. This attribute is optional and used only for documenting purposes.
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| − | * '''output''' - any data structure defining how to transform the output of base action into the output of this action. I can optionally have YAQL expressions to access properties of base action output. (See more about YAQL at https://pypi.python.org/pypi/yaql/0.3)
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| − | ==== YAML example: ====
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| − | '''TODO'''
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| − | === Triggers ===
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| − | '''NOTE''': Triggers are implemented as part of version 0.1.0, they will be included into 0.2.0
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| − | Using triggers it is possible to run workflows according to specific rules: periodically setting a cron (http://en.wikipedia.org/wiki/Cron) pattern or on external events like ceilometer alarm.
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| − | ==== Attributes ====
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| − | '''TODO'''
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| − | ==== YAML example: ====
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| − | '''TODO'''
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| − | === Workbooks ===
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| − | '''TODO'''
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| − | ==== Attributes ====
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| − | '''TODO'''
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| − | ==== YAML example: ====
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| − | '''TODO'''
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