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feat(rollback): Support rolling back to a server group that no longer…
… exists This PR provides a rollback strategy that will clone forward with the image details that were tagged as part of spinnaker#1705. It also supports the `imageName` being explicitly provided, but that's an exceptional case that would not be supported in the UI.
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.../netflix/spinnaker/orca/clouddriver/pipeline/servergroup/rollback/ExplicitRollback.groovy
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| /* | ||
| * Copyright 2017 Netflix, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.netflix.spinnaker.orca.clouddriver.pipeline.servergroup.rollback | ||
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| import com.fasterxml.jackson.annotation.JsonIgnore | ||
| import com.netflix.spinnaker.orca.clouddriver.pipeline.providers.aws.ApplySourceServerGroupCapacityStage | ||
| import com.netflix.spinnaker.orca.clouddriver.pipeline.providers.aws.CaptureSourceServerGroupCapacityStage | ||
| import com.netflix.spinnaker.orca.clouddriver.pipeline.servergroup.DisableServerGroupStage | ||
| import com.netflix.spinnaker.orca.clouddriver.pipeline.servergroup.EnableServerGroupStage | ||
| import com.netflix.spinnaker.orca.clouddriver.pipeline.servergroup.ResizeServerGroupStage | ||
| import com.netflix.spinnaker.orca.kato.pipeline.support.ResizeStrategy | ||
| import com.netflix.spinnaker.orca.pipeline.model.Execution | ||
| import com.netflix.spinnaker.orca.pipeline.model.Stage | ||
| import com.netflix.spinnaker.orca.pipeline.model.SyntheticStageOwner | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
|
|
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| import static com.netflix.spinnaker.orca.pipeline.StageDefinitionBuilder.newStage | ||
|
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| class ExplicitRollback implements Rollback { | ||
| String rollbackServerGroupName | ||
| String restoreServerGroupName | ||
| Integer targetHealthyRollbackPercentage | ||
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| @Autowired | ||
| @JsonIgnore | ||
| EnableServerGroupStage enableServerGroupStage | ||
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| @Autowired | ||
| @JsonIgnore | ||
| DisableServerGroupStage disableServerGroupStage | ||
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| @Autowired | ||
| @JsonIgnore | ||
| ResizeServerGroupStage resizeServerGroupStage | ||
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| @Autowired | ||
| @JsonIgnore | ||
| CaptureSourceServerGroupCapacityStage captureSourceServerGroupCapacityStage | ||
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| @Autowired | ||
| @JsonIgnore | ||
| ApplySourceServerGroupCapacityStage applySourceServerGroupCapacityStage | ||
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| @JsonIgnore | ||
| def <T extends Execution<T>> List<Stage<T>> buildStages(Stage<T> parentStage) { | ||
| def stages = [] | ||
|
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| Map enableServerGroupContext = new HashMap(parentStage.context) | ||
| enableServerGroupContext.targetHealthyDeployPercentage = targetHealthyRollbackPercentage | ||
| enableServerGroupContext.serverGroupName = restoreServerGroupName | ||
| stages << newStage( | ||
| parentStage.execution, enableServerGroupStage.type, "enable", enableServerGroupContext, parentStage, SyntheticStageOwner.STAGE_AFTER | ||
| ) | ||
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| stages << buildCaptureSourceServerGroupCapacityStage(parentStage, parentStage.mapTo(ResizeStrategy.Source)) | ||
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| Map resizeServerGroupContext = new HashMap(parentStage.context) + [ | ||
| action : ResizeStrategy.ResizeAction.scale_to_server_group.toString(), | ||
| source : { | ||
| def source = parentStage.mapTo(ResizeStrategy.Source) | ||
| source.serverGroupName = rollbackServerGroupName | ||
| return source | ||
| }.call(), | ||
| asgName : restoreServerGroupName, | ||
| pinMinimumCapacity : true, | ||
| targetHealthyDeployPercentage: targetHealthyRollbackPercentage | ||
| ] | ||
| stages << newStage( | ||
| parentStage.execution, resizeServerGroupStage.type, "resize", resizeServerGroupContext, parentStage, SyntheticStageOwner.STAGE_AFTER | ||
| ) | ||
|
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| Map disableServerGroupContext = new HashMap(parentStage.context) | ||
| disableServerGroupContext.serverGroupName = rollbackServerGroupName | ||
| stages << newStage( | ||
| parentStage.execution, disableServerGroupStage.type, "disable", disableServerGroupContext, parentStage, SyntheticStageOwner.STAGE_AFTER | ||
| ) | ||
|
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| stages << buildApplySourceServerGroupCapacityStage(parentStage, parentStage.mapTo(ResizeStrategy.Source)) | ||
| return stages | ||
| } | ||
|
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| Stage buildCaptureSourceServerGroupCapacityStage(Stage parentStage, | ||
| ResizeStrategy.Source source) { | ||
| Map captureSourceServerGroupCapacityContext = [ | ||
| useSourceCapacity: true, | ||
| source : [ | ||
| asgName : rollbackServerGroupName, | ||
| serverGroupName: rollbackServerGroupName, | ||
| region : source.region, | ||
| account : source.credentials, | ||
| cloudProvider : source.cloudProvider | ||
| ] | ||
| ] | ||
| return newStage( | ||
| parentStage.execution, | ||
| captureSourceServerGroupCapacityStage.type, | ||
| "snapshot", | ||
| captureSourceServerGroupCapacityContext, | ||
| parentStage, | ||
| SyntheticStageOwner.STAGE_AFTER | ||
| ) | ||
| } | ||
|
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| Stage buildApplySourceServerGroupCapacityStage(Stage parentStage, | ||
| ResizeStrategy.Source source) { | ||
| Map applySourceServerGroupCapacityContext = [ | ||
| credentials: source.credentials, | ||
| target : [ | ||
| asgName : restoreServerGroupName, | ||
| serverGroupName: restoreServerGroupName, | ||
| region : source.region, | ||
| account : source.credentials, | ||
| cloudProvider : source.cloudProvider | ||
| ] | ||
| ] | ||
| return newStage( | ||
| parentStage.execution, | ||
| applySourceServerGroupCapacityStage.type, | ||
| "apply", | ||
| applySourceServerGroupCapacityContext, | ||
| parentStage, | ||
| SyntheticStageOwner.STAGE_AFTER | ||
| ) | ||
| } | ||
| } |
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