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Merge pull request #440 from joesondow/ASGARD-217-Route53-self-servic…
…e-DNS ASGARD-217 - Route53 DNS management
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grails-app/controllers/com/netflix/asgard/HostedZoneController.groovy
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| /* | ||
| * Copyright 2013 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.asgard | ||
|
|
||
| import com.amazonaws.services.route53.model.AliasTarget | ||
| import com.amazonaws.services.route53.model.ChangeInfo | ||
| import com.amazonaws.services.route53.model.HostedZone | ||
| import com.amazonaws.services.route53.model.RRType | ||
| import com.amazonaws.services.route53.model.ResourceRecord | ||
| import com.amazonaws.services.route53.model.ResourceRecordSet | ||
| import com.amazonaws.services.route53.model.ResourceRecordSetFailover | ||
| import com.amazonaws.services.route53.model.ResourceRecordSetRegion | ||
| import grails.converters.JSON | ||
| import grails.converters.XML | ||
|
|
||
| /** | ||
| * Used to interact with Route53 Hosted Zones for DNS management. | ||
| */ | ||
| class HostedZoneController { | ||
|
|
||
| def awsRoute53Service | ||
|
|
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| static editActions = ['prepareResourceRecordSet'] | ||
|
|
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| /** | ||
| * Lists all the Route53 DNS hosted zones in the account. | ||
| */ | ||
| def list() { | ||
| Collection<HostedZone> hostedZones = awsRoute53Service.getHostedZones() | ||
| withFormat { | ||
| html { [hostedZones: hostedZones] } | ||
| xml { new XML(hostedZones).render(response) } | ||
| json { new JSON(hostedZones).render(response) } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Shows the details of one Route53 DNS hosted zone, including the related resource record sets. | ||
| */ | ||
| def show() { | ||
| String hostedZoneIdOrName = params.id | ||
| UserContext userContext = UserContext.of(request) | ||
| HostedZone hostedZone = awsRoute53Service.getHostedZone(userContext, hostedZoneIdOrName) | ||
| if (!hostedZone) { | ||
| Requests.renderNotFound('Hosted Zone', hostedZoneIdOrName, this) | ||
| return | ||
| } | ||
|
|
||
| List<ResourceRecordSet> resourceRecordSets = awsRoute53Service.getResourceRecordSets(userContext, hostedZone.id) | ||
| resourceRecordSets.sort { it.name } | ||
| String deletionWarning = "Really delete Hosted Zone '${hostedZone.id}' with name '${hostedZone.name}' and " + | ||
| "its ${resourceRecordSets.size()} resource record set${resourceRecordSets.size() == 1 ? '' : 's'}?" + | ||
| (resourceRecordSets.size() ? "\n\nThis cannot be undone and could be dangerous." : '') | ||
| Map result = [hostedZone: hostedZone, resourceRecordSets: resourceRecordSets] | ||
| Map guiVars = result + [deletionWarning: deletionWarning] | ||
| withFormat { | ||
| html { guiVars } | ||
| xml { new XML(result).render(response) } | ||
| json { new JSON(result).render(response) } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Displays a form to create a new hosted zone. | ||
| */ | ||
| def create() { | ||
|
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| } | ||
|
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| /** | ||
| * Handles submission of a create form, to make a new Route53 DNS hosted zone. | ||
| * | ||
| * @param cmd the command object containing the user parameters for creating the new hosted zone | ||
| */ | ||
| def save(HostedZoneSaveCommand cmd) { | ||
| if (cmd.hasErrors()) { | ||
| chain(action: 'create', model: [cmd: cmd], params: params) | ||
| return | ||
| } | ||
| UserContext userContext = UserContext.of(request) | ||
| try { | ||
| HostedZone hostedZone = awsRoute53Service.createHostedZone(userContext, cmd.name, cmd.comment) | ||
| flash.message = "Hosted Zone '${hostedZone.id}' with name '${hostedZone.name}' has been created." | ||
| redirect(action: 'show', id: hostedZone.id) | ||
| } catch (Exception e) { | ||
| flash.message = e.message ?: e.cause?.message | ||
| chain(action: 'create', model: [cmd: cmd], params: params) | ||
| } | ||
| } | ||
|
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| /** | ||
| * Deletes a Route53 DNS hosted zone, including all of its resource record sets. | ||
| */ | ||
| def delete = { | ||
| UserContext userContext = UserContext.of(request) | ||
| String id = params.id | ||
| HostedZone hostedZone = awsRoute53Service.getHostedZone(userContext, id) | ||
| if (hostedZone) { | ||
| ChangeInfo changeInfo = awsRoute53Service.deleteHostedZone(userContext, id) | ||
| flash.message = "Deletion of Hosted Zone '${id}' with name '${hostedZone.name}' has started. " + | ||
| "ChangeInfo: ${changeInfo}" | ||
| redirect([action: 'result']) | ||
| } else { | ||
| Requests.renderNotFound('Hosted Zone', id, this) | ||
| } | ||
| } | ||
|
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||
| /** | ||
| * Renders a simple page showing the result of a deletion. | ||
| */ | ||
| def result() { render view: '/common/result' } | ||
|
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| /** | ||
| * Displays a form to create a new resource record set for the specified Route53 DNS hosted zone. | ||
| */ | ||
| def prepareResourceRecordSet() { | ||
| [ | ||
| hostedZoneId: params.id ?: params.hostedZoneId, | ||
| types: RRType.values()*.toString().sort(), | ||
| failoverValues: ResourceRecordSetFailover.values()*.toString().sort(), | ||
| resourceRecordSetRegions: ResourceRecordSetRegion.values()*.toString().sort() | ||
| ] | ||
| } | ||
|
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| /** | ||
| * Creates a new resource record set for an existing Route53 DNS hosted zone. | ||
| * | ||
| * @param cmd the command object containing all the parameters for creating the new resource record set | ||
| */ | ||
| def addResourceRecordSet(ResourceRecordSetCommand cmd) { | ||
|
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||
| if (cmd.hasErrors()) { | ||
| chain(action: 'prepareResourceRecordSet', model: [cmd: cmd], params: params) | ||
| } else { | ||
| UserContext userContext = UserContext.of(request) | ||
| String id = cmd.hostedZoneId | ||
| String comment = cmd.comment | ||
| ResourceRecordSet recordSet = resourceRecordSetFromCommandObject(cmd) | ||
| try { | ||
| ChangeInfo changeInfo = awsRoute53Service.createResourceRecordSet(userContext, id, recordSet, comment) | ||
| flash.message = "DNS CREATE change submitted. ChangeInfo: ${changeInfo}" | ||
| redirect(action: 'show', id: id) | ||
| } catch (Exception e) { | ||
| flash.message = "Could not add resource record set: ${e}" | ||
| chain(action: 'prepareResourceRecordSet', model: [cmd: cmd], params: params) | ||
| } | ||
| } | ||
| } | ||
|
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| /** | ||
| * Deletes a resource record set from a Route53 DNS hosted zone. | ||
| * | ||
| * @param cmd the command object enough parameters to identify and delete a distinct resource record set | ||
| */ | ||
| def removeResourceRecordSet(ResourceRecordSetCommand cmd) { | ||
| if (cmd.hasErrors()) { | ||
| chain(action: 'show', id: id) | ||
| } else { | ||
| UserContext userContext = UserContext.of(request) | ||
| String id = cmd.hostedZoneId | ||
| String comment = cmd.comment | ||
| ResourceRecordSet recordSet = resourceRecordSetFromCommandObject(cmd) | ||
| try { | ||
| ChangeInfo changeInfo = awsRoute53Service.deleteResourceRecordSet(userContext, id, recordSet, comment) | ||
| flash.message = "DNS DELETE change submitted. ChangeInfo: ${changeInfo}" | ||
| } catch (Exception e) { | ||
| flash.message = "Could not delete resource record set: ${e}" | ||
| } | ||
| redirect(action: 'show', id: id) | ||
| } | ||
| } | ||
|
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| private resourceRecordSetFromCommandObject(ResourceRecordSetCommand cmd) { | ||
| String hostedZoneId = cmd.hostedZoneId | ||
| List<String> resourceRecordStrings = Requests.ensureList(cmd.resourceRecords?.split('\n')).collect { it.trim() } | ||
| String aliasTarget = cmd.aliasTarget | ||
| new ResourceRecordSet( | ||
| name: cmd.resourceRecordSetName, | ||
| type: cmd.type, | ||
| setIdentifier: cmd.setIdentifier ?: null, | ||
| weight: cmd.weight ?: null, | ||
| region: cmd.resourceRecordSetRegion ?: null, | ||
| failover: cmd.failover ?: null, | ||
| tTL: cmd.ttl ?: null, | ||
| resourceRecords: resourceRecordStrings.collect { new ResourceRecord(it) } ?: null, | ||
| aliasTarget: aliasTarget ? new AliasTarget(hostedZoneId, aliasTarget) : null, | ||
| healthCheckId: cmd.healthCheckId ?: null | ||
| ) | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * User parameters for creating a new hosted zone. | ||
| */ | ||
| class HostedZoneSaveCommand { | ||
| String name | ||
| String comment | ||
| } | ||
|
|
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| /** | ||
| * The parameters for creating or deleting a resource record set. | ||
| */ | ||
| class ResourceRecordSetCommand { | ||
| String hostedZoneId | ||
| String resourceRecordSetName | ||
| String type // From enum RRType | ||
| String setIdentifier | ||
| Long weight | ||
| String resourceRecordSetRegion // From enum ResourceRecordSetRegion | ||
| String failover // From ResourceRecordSetFailover | ||
| Long ttl | ||
| String resourceRecords | ||
| String aliasTarget | ||
| String healthCheckId | ||
| String comment | ||
| } |
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