Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.kubevirtnode.api; |
| 17 | |
| 18 | /** |
| 19 | * Defines the initialization stats of KubeVirt node. |
| 20 | */ |
| 21 | public enum KubevirtNodeState { |
| 22 | |
| 23 | /** |
| 24 | * Indicates the node is in pre-on-board. |
| 25 | */ |
| 26 | PRE_ON_BOARD { |
| 27 | @Override |
| 28 | public void process(KubevirtNodeHandler handler, KubevirtNode node) { |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 29 | } |
| 30 | |
| 31 | @Override |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 32 | public KubevirtNodeState nextState() { |
| 33 | return ON_BOARDED; |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 34 | } |
| 35 | }, |
| 36 | /** |
| 37 | * Indicates the node is on-boarded. |
| 38 | */ |
| 39 | ON_BOARDED { |
| 40 | @Override |
| 41 | public void process(KubevirtNodeHandler handler, KubevirtNode node) { |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 42 | handler.processOnBoardedState(node); |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 43 | } |
| 44 | |
| 45 | @Override |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 46 | public KubevirtNodeState nextState() { |
| 47 | return ON_BOARDED; |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 48 | } |
| 49 | }, |
| 50 | /** |
| 51 | * Indicates the node is newly added. |
| 52 | */ |
| 53 | INIT { |
| 54 | @Override |
| 55 | public void process(KubevirtNodeHandler handler, KubevirtNode node) { |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 56 | handler.processInitState(node); |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | @Override |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 60 | public KubevirtNodeState nextState() { |
| 61 | return DEVICE_CREATED; |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 62 | } |
| 63 | }, |
| 64 | /** |
| 65 | * Indicates bridge devices are added according to the node state. |
| 66 | */ |
| 67 | DEVICE_CREATED { |
| 68 | @Override |
| 69 | public void process(KubevirtNodeHandler handler, KubevirtNode node) { |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 70 | handler.processDeviceCreatedState(node); |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 71 | } |
| 72 | |
| 73 | @Override |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 74 | public KubevirtNodeState nextState() { |
| 75 | return COMPLETE; |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 76 | } |
| 77 | }, |
| 78 | /** |
| 79 | * Indicates node initialization is done. |
| 80 | */ |
| 81 | COMPLETE { |
| 82 | @Override |
| 83 | public void process(KubevirtNodeHandler handler, KubevirtNode node) { |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 84 | handler.processCompleteState(node); |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | @Override |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 88 | public KubevirtNodeState nextState() { |
| 89 | return COMPLETE; |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 90 | } |
| 91 | }, |
| 92 | /** |
| 93 | * Indicates node is broken. |
| 94 | */ |
| 95 | INCOMPLETE { |
| 96 | @Override |
| 97 | public void process(KubevirtNodeHandler handler, KubevirtNode node) { |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 98 | handler.processIncompleteState(node); |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | @Override |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 102 | public KubevirtNodeState nextState() { |
| 103 | return INIT; |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 104 | } |
| 105 | }; |
| 106 | |
| 107 | /** |
| 108 | * Processes the given kubevirt node which is under a certain state. |
| 109 | * |
| 110 | * @param handler kubevirt node handler |
| 111 | * @param node kubevirt node |
| 112 | */ |
| 113 | public abstract void process(KubevirtNodeHandler handler, KubevirtNode node); |
| 114 | |
| 115 | /** |
| 116 | * Transits to the next state. |
| 117 | * |
| 118 | * @return the next kubevirt node state |
| 119 | */ |
Jian Li | 138f51f | 2021-01-06 03:29:58 +0900 | [diff] [blame^] | 120 | public abstract KubevirtNodeState nextState(); |
Jian Li | 43dc9ca | 2020-12-19 04:01:49 +0900 | [diff] [blame] | 121 | } |