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Also removed mentions of VF and validations in general, as they are not relevant to this repo. Signed-off-by: Jiri Podivin <jpodivin@redhat.com> Change-Id: Iae6df8f2eebc2ce9ae47d59b69215b47c15ff4c3changes/77/790077/8
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=================== |
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TripleO and Mistral |
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=================== |
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TripleO is in the process of developing Mistral workflows and actions to expose |
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TripleO business logic. This allows RESTful API access to TripleO functions. |
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- `Spec <https://specs.openstack.org/openstack/tripleo-specs/specs/mitaka/tripleo-mistral-deployment-library.html>`_ |
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A high-level view of the overall workflow can be found in the `TripleO Overcloud |
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Deployment Library Spec |
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<https://specs.openstack.org/openstack/tripleo-specs/specs/mitaka/tripleo-overcloud-deployment-library.html>`_. |
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================ |
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Undercloud Setup |
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================ |
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To install the undercloud follow the `TripleO developer documentation |
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<https://docs.openstack.org/tripleo-docs/latest/install/environments/environments.html>`_. |
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============= |
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Code Location |
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============= |
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The relevant code is organized as below. Note that Mistral actions are exposed |
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through *setup.cfg*. |
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| tripleo-common/ |
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| + setup.cfg |
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| + tripleo_common/ |
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| + actions/ |
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| + workbooks/ |
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============= |
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Using Actions |
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============= |
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Mistral actions can be run through the CLI: |
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:: |
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echo '{"container": "<container-name>"}' > input.json |
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openstack action execution run tripleo.plan.create_container input.json |
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For REST API usage please reference the `full Mistral documentation |
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<https://docs.openstack.org/mistral/latest/>`_. |
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=============== |
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Using Workflows |
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=============== |
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The undercloud install will automatically load the TripleO Mistral workbooks. |
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To manually load these workbooks during development, run the following: |
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:: |
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openstack workbook create workbooks/plan_management.yaml |
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Workflow execution is asynchronous. The output of an execution is an ID that |
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can be used to get the status and output of that workflow execution. |
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:: |
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echo '{"container": "<container-name>"}' > input.json |
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openstack workflow execution create tripleo.plan_management.v1.create_deployment_plan input.json |
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openstack workflow execution show <execution ID> |
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openstack workflow execution output show <execution ID> |
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For REST API usage please reference the `full Mistral documentation |
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<https://docs.openstack.org/mistral/latest/>`_. |
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By default a workflow execution expires after 48 hours. This can be configured |
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in /etc/mistral/mistral.conf. |
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:: |
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[execution_expiration_policy] |
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evaluation_interval=120 |
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older_than=2880 |
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After modifying these values you will need to restart the mistral-engine service. |
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