2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.so.adapters.vdu;
24 * This interface defines a common API for template-based cloud deployments. The methods here should be adaptable for
25 * Openstack (Heat), Cloudify (TOSCA), Aria (TOSCA), Multi-VIM (TBD), and others (e.g. Azure Resource Manager).
27 * The deployed instances are referred to here as Virtual Deployment Units (VDUs). The package of templates that define
28 * a give VDU is referred to as its blueprint.
30 * Template-based orchestrators all follow a similar template/blueprint model. - One main template that is the top level
31 * definition - Optional nested templates referenced/included by the main template - Optional files attached to the
32 * template package, typically containing configuration files, install scripts, orchestration scripts, etc.
34 * The main template also defines the required inputs for creating a new instance, and output values exposed by
35 * successfully deployed instances. Inputs and outputs may include simple or complex (JSON) data types.
37 * Each implementation of this interface is expected to understand the MSO CloudConfig to obtain the credentials for its
38 * sub-orchestrator and the targeted cloud. The sub-orchestrator may have different credentials from the cloud (e.g. an
39 * Aria instance in front of an Openstack cloud) or they may be the same (e.g. Heat)
43 public interface VduPlugin {
46 * The instantiateVdu interface deploys a new VDU instance from a vdu model package.
48 * For some VIMs, this may be a single command (e.g. Heat -> create stack) or may require a series of API calls
49 * (e.g. Cloudify -> upload blueprint, create deployment, execute install workflow). These details are hidden within
50 * the plug-in implementation. The instantiation should be fully completed before returning. On failures, this
51 * method is expected to back out the attempt, leaving the cloud in its previous state.
53 * It is expected that parameters have been validated and contain at minimum the required parameters for the given
54 * template with no extra parameters.
56 * The VDU name supplied by the caller will be globally unique, and identify the artifact in A&AI. Inventory is
57 * managed by the higher levels invoking this function.
59 * @param cloudInfo The target cloud + tenant identifiers for the VDU.
60 * @param instanceName A unique name for the VDU instance to update.
61 * @param inputs A map of key/value inputs. Values may be strings, numbers, or JSON objects. Will completely replace
62 * any inputs provided on the original instantiation.
63 * @param vduModel Object containing the collection of templates and files that comprise the blueprint for this VDU.
64 * @param rollbackOnFailure Flag to preserve or roll back the update on Failure. Should normally be True except in
65 * troubleshooting/debug cases. Might not be supported in all plug-ins.
67 * @return A VduInstance object
68 * @throws VduException Thrown if the sub-orchestrator API calls fail or if a timeout occurs. Various subclasses of
69 * VduException may be thrown.
71 public VduInstance instantiateVdu(CloudInfo cloudInfo, String instanceName, Map<String, Object> inputs,
72 VduModelInfo vduModel, boolean rollbackOnFailure) throws VduException;
75 * Query a deployed VDU instance. This call will return a VduInstance object, or null if the deployment does not
78 * Some VIM orchestrators identify deployment instances by string UUIDs, and others by integers. In the latter case,
79 * the ID will be passed in as a numeric string.
81 * The returned VduInstance object contains the input and output parameter maps, as well as other properties of the
82 * deployment (name, status, last action, etc.).
84 * @param cloudInfo The target cloud + tenant identifiers for the VDU.
85 * @param vduInstanceId The ID of the deployment to query
87 * @return A VduInstance object
88 * @throws VduException Thrown if the sub-orchestrator API calls fail or if a timeout occurs. Various subclasses of
89 * VduException may be thrown.
91 public VduInstance queryVdu(CloudInfo cloudInfo, String vduInstanceId) throws VduException;
95 * Delete a VDU instance by ID. If the VIM sub-orchestrator supports pre-installation of blueprints/models, the
96 * blueprint itself may remain installed. This is recommended, since other VDU instances may be using it.
98 * Some VIM orchestrators identify deployment instances by string UUIDs, and others by integers. In the latter case,
99 * the ID will be passed in as a numeric string.
101 * For some VIMs, deletion may be a single command (e.g. Heat -> delete stack) or a series of API calls (e.g.
102 * Cloudify -> execute uninstall workflow, delete deployment). These details are hidden within the plug-in
103 * implementation. The deletion should be fully completed before returning.
105 * The successful return is a VduInstance object which contains the state of the VDU just prior to deletion, with a
106 * status of DELETED. If the deployment was not found, the VduInstance object should be empty (with a status of
107 * NOTFOUND). There is no rollback from a successful deletion.
109 * A deletion failure will result in an undefined deployment state - the components may or may not have been all or
110 * partially uninstalled, so the resulting deployment must be considered invalid.
112 * @param cloudInfo The target cloud + tenant identifiers for the VDU.
113 * @param instanceId The unique id of the deployment to delete.
114 * @param timeoutMinutes Timeout after which the delete action will be cancelled. Consider sending the entire model
115 * here, if it may be of use to the plug-in?
117 * @return A VduInstance object, representing its state just prior to deletion.
119 * @throws VduException Thrown if the API calls fail or if a timeout occurs. Various subclasses of VduException may
122 public VduInstance deleteVdu(CloudInfo cloudInfo, String instanceId, int timeoutMinutes) throws VduException;
126 * The updateVdu interface attempts to update a VDU in-place, using either new inputs or a new model definition
127 * (i.e. updated templates/blueprints). This depends on the capabilities of the targeted sub-orchestrator, as not
128 * all implementations are expected to support this ability. It is primary included initially only for Heat.
130 * It is expected that parameters have been validated and contain at minimum the required parameters for the given
131 * template with no extra parameters. The VDU instance name cannot be updated.
133 * The update should be fully completed before returning. The successful return is a VduInstance object containing
134 * the updated VDU state.
136 * An update failure will result in an undefined deployment state - the components may or may not have been all or
137 * partially modified, deleted, recreated, etc. So the resulting VDU must be considered invalid.
139 * @param cloudInfo The target cloud + tenant identifiers for the VDU.
140 * @param instanceId The unique ID for the VDU instance to update.
141 * @param inputs A map of key/value inputs. Values may be strings, numbers, or JSON objects. Will completely replace
142 * any inputs provided on the original instantiation.
143 * @param vduModel Object containing the collection of templates and files that comprise the blueprint for this VDU.
144 * @param rollbackOnFailure Flag to preserve or roll back the update on Failure. Should normally be True except in
145 * troubleshooting/debug cases. Might not be supported in all plug-ins.
147 * @return A VduInfo object
148 * @throws VduException Thrown if the sub-orchestrator API calls fail or if a timeout occurs. Various subclasses of
149 * VduException may be thrown.
151 public VduInstance updateVdu(CloudInfo cloudInfo, String instanceId, Map<String, Object> inputs,
152 VduModelInfo vduModel, boolean rollbackOnFailure) throws VduException;