/*************************************************************************
* Copyright 2009-2015 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
************************************************************************/
package com.eucalyptus.cloudformation.resources.standard.actions;
import com.eucalyptus.cloudformation.ValidationErrorException;
import com.eucalyptus.cloudformation.resources.ResourceAction;
import com.eucalyptus.cloudformation.resources.ResourceInfo;
import com.eucalyptus.cloudformation.resources.ResourceProperties;
import com.eucalyptus.cloudformation.resources.standard.info.AWSEC2SubnetRouteTableAssociationResourceInfo;
import com.eucalyptus.cloudformation.resources.standard.propertytypes.AWSEC2SubnetRouteTableAssociationProperties;
import com.eucalyptus.cloudformation.template.JsonHelper;
import com.eucalyptus.cloudformation.util.MessageHelper;
import com.eucalyptus.cloudformation.workflow.steps.Step;
import com.eucalyptus.cloudformation.workflow.steps.StepBasedResourceAction;
import com.eucalyptus.cloudformation.workflow.steps.UpdateStep;
import com.eucalyptus.cloudformation.workflow.updateinfo.UpdateType;
import com.eucalyptus.component.ServiceConfiguration;
import com.eucalyptus.component.Topology;
import com.eucalyptus.compute.common.AssociateRouteTableResponseType;
import com.eucalyptus.compute.common.AssociateRouteTableType;
import com.eucalyptus.compute.common.Compute;
import com.eucalyptus.compute.common.DescribeRouteTablesResponseType;
import com.eucalyptus.compute.common.DescribeRouteTablesType;
import com.eucalyptus.compute.common.DescribeSubnetsResponseType;
import com.eucalyptus.compute.common.DescribeSubnetsType;
import com.eucalyptus.compute.common.DisassociateRouteTableResponseType;
import com.eucalyptus.compute.common.DisassociateRouteTableType;
import com.eucalyptus.compute.common.Filter;
import com.eucalyptus.compute.common.ReplaceRouteTableAssociationResponseType;
import com.eucalyptus.compute.common.ReplaceRouteTableAssociationType;
import com.eucalyptus.util.async.AsyncRequests;
import com.fasterxml.jackson.databind.node.TextNode;
import com.google.common.collect.Lists;
import javax.annotation.Nullable;
import java.util.ArrayList;
import java.util.Objects;
/**
* Created by ethomas on 2/3/14.
*/
public class AWSEC2SubnetRouteTableAssociationResourceAction extends StepBasedResourceAction {
private AWSEC2SubnetRouteTableAssociationProperties properties = new AWSEC2SubnetRouteTableAssociationProperties();
private AWSEC2SubnetRouteTableAssociationResourceInfo info = new AWSEC2SubnetRouteTableAssociationResourceInfo();
public AWSEC2SubnetRouteTableAssociationResourceAction() {
super(fromEnum(CreateSteps.class), fromEnum(DeleteSteps.class), fromUpdateEnum(UpdateNoInterruptionSteps.class), null);
}
@Override
public UpdateType getUpdateType(ResourceAction resourceAction, boolean stackTagsChanged) {
UpdateType updateType = info.supportsTags() && stackTagsChanged ? UpdateType.NO_INTERRUPTION : UpdateType.NONE;
AWSEC2SubnetRouteTableAssociationResourceAction otherAction = (AWSEC2SubnetRouteTableAssociationResourceAction) resourceAction;
if (!Objects.equals(properties.getRouteTableId(), otherAction.properties.getRouteTableId())) {
updateType = UpdateType.max(updateType, UpdateType.NO_INTERRUPTION);
}
if (!Objects.equals(properties.getSubnetId(), otherAction.properties.getSubnetId())) {
updateType = UpdateType.max(updateType, UpdateType.NEEDS_REPLACEMENT);
}
return updateType;
}
private enum CreateSteps implements Step {
CREATE_ASSOCIATION {
@Override
public ResourceAction perform(ResourceAction resourceAction) throws Exception {
AWSEC2SubnetRouteTableAssociationResourceAction action = (AWSEC2SubnetRouteTableAssociationResourceAction) resourceAction;
ServiceConfiguration configuration = Topology.lookup(Compute.class);
// See if route table is there
action.checkRouteTableExists(configuration);
// See if subnet is there
action.checkSubnetExists(configuration);
String associationId = action.associateRouteTable(configuration, action.properties.getSubnetId(), action.properties.getRouteTableId());
action.info.setPhysicalResourceId(associationId);
action.info.setCreatedEnoughToDelete(true);
action.info.setReferenceValueJson(JsonHelper.getStringFromJsonNode(new TextNode(action.info.getPhysicalResourceId())));
return action;
}
};
@Nullable
@Override
public Integer getTimeout() {
return null;
}
}
private enum DeleteSteps implements Step {
DELETE_ASSOCIATION {
@Override
public ResourceAction perform(ResourceAction resourceAction) throws Exception {
AWSEC2SubnetRouteTableAssociationResourceAction action = (AWSEC2SubnetRouteTableAssociationResourceAction) resourceAction;
ServiceConfiguration configuration = Topology.lookup(Compute.class);
if (!Boolean.TRUE.equals(action.info.getCreatedEnoughToDelete())) return action;
if (!action.associationIdExistsForDelete(configuration)) return action;
if (!action.routeTableExistsForDelete(configuration)) return action;
if (!action.subnetExistsForDelete(configuration)) return action;
action.disassociateRouteTable(configuration, action.info.getPhysicalResourceId());
return action;
}
};
@Nullable
@Override
public Integer getTimeout() {
return null;
}
}
private enum UpdateNoInterruptionSteps implements UpdateStep {
UPDATE_ASSOCIATION {
@Override
public ResourceAction perform(ResourceAction oldResourceAction, ResourceAction newResourceAction) throws Exception {
AWSEC2SubnetRouteTableAssociationResourceAction oldAction = (AWSEC2SubnetRouteTableAssociationResourceAction) oldResourceAction;
AWSEC2SubnetRouteTableAssociationResourceAction newAction = (AWSEC2SubnetRouteTableAssociationResourceAction) newResourceAction;
ServiceConfiguration configuration = Topology.lookup(Compute.class);
String newAssociationId = newAction.replaceAssociation(configuration, oldAction.info.getPhysicalResourceId(), newAction.properties.getRouteTableId());
newAction.info.setPhysicalResourceId(newAssociationId);
newAction.info.setCreatedEnoughToDelete(true);
newAction.info.setReferenceValueJson(JsonHelper.getStringFromJsonNode(new TextNode(newAction.info.getPhysicalResourceId())));
return newAction;
}
},
;
@Nullable
@Override
public Integer getTimeout() {
return null;
}
}
private String replaceAssociation(ServiceConfiguration configuration, String oldAssociationId, String routeTableId) throws Exception {
ReplaceRouteTableAssociationType replaceRouteTableAssociationType = MessageHelper.createMessage(ReplaceRouteTableAssociationType.class, info.getEffectiveUserId());
replaceRouteTableAssociationType.setRouteTableId(routeTableId);
replaceRouteTableAssociationType.setAssociationId(oldAssociationId);
ReplaceRouteTableAssociationResponseType replaceRouteTableAssociationResponseType = AsyncRequests.<ReplaceRouteTableAssociationType, ReplaceRouteTableAssociationResponseType> sendSync(configuration, replaceRouteTableAssociationType);
return replaceRouteTableAssociationResponseType.getNewAssociationId();
}
@Override
public ResourceProperties getResourceProperties() {
return properties;
}
@Override
public void setResourceProperties(ResourceProperties resourceProperties) {
properties = (AWSEC2SubnetRouteTableAssociationProperties) resourceProperties;
}
@Override
public ResourceInfo getResourceInfo() {
return info;
}
@Override
public void setResourceInfo(ResourceInfo resourceInfo) {
info = (AWSEC2SubnetRouteTableAssociationResourceInfo) resourceInfo;
}
private String associateRouteTable(ServiceConfiguration configuration, String subnetId, String routeTableId) throws Exception {
AssociateRouteTableType associateRouteTableType = MessageHelper.createMessage(AssociateRouteTableType.class, info.getEffectiveUserId());
associateRouteTableType.setRouteTableId(routeTableId);
associateRouteTableType.setSubnetId(subnetId);
AssociateRouteTableResponseType associateRouteTableResponseType = AsyncRequests.<AssociateRouteTableType, AssociateRouteTableResponseType> sendSync(configuration, associateRouteTableType);
return associateRouteTableResponseType.getAssociationId();
}
private void checkSubnetExists(ServiceConfiguration configuration) throws Exception {
DescribeSubnetsType describeSubnetsType = MessageHelper.createMessage(DescribeSubnetsType.class, info.getEffectiveUserId());
describeSubnetsType.getFilterSet( ).add( Filter.filter( "subnet-id", properties.getSubnetId( ) ) );
DescribeSubnetsResponseType describeSubnetsResponseType = AsyncRequests.sendSync( configuration, describeSubnetsType );
if (describeSubnetsResponseType.getSubnetSet() == null || describeSubnetsResponseType.getSubnetSet().getItem() == null ||
describeSubnetsResponseType.getSubnetSet().getItem().isEmpty()) {
throw new ValidationErrorException("No such subnet with id '" + properties.getSubnetId());
}
}
private void checkRouteTableExists(ServiceConfiguration configuration) throws Exception {
DescribeRouteTablesType describeRouteTablesType = MessageHelper.createMessage(DescribeRouteTablesType.class, info.getEffectiveUserId());
describeRouteTablesType.getFilterSet( ).add( Filter.filter( "route-table-id", properties.getRouteTableId( ) ) );
DescribeRouteTablesResponseType describeRouteTablesResponseType = AsyncRequests.sendSync( configuration, describeRouteTablesType );
if (describeRouteTablesResponseType.getRouteTableSet() == null || describeRouteTablesResponseType.getRouteTableSet().getItem() == null ||
describeRouteTablesResponseType.getRouteTableSet().getItem().isEmpty()) {
throw new ValidationErrorException("No such route table with id '" + properties.getRouteTableId());
}
}
private void disassociateRouteTable(ServiceConfiguration configuration, String associationId) throws Exception {
DisassociateRouteTableType disassociateRouteTableType = MessageHelper.createMessage(DisassociateRouteTableType.class, info.getEffectiveUserId());
disassociateRouteTableType.setAssociationId(associationId);
AsyncRequests.<DisassociateRouteTableType, DisassociateRouteTableResponseType> sendSync(configuration, disassociateRouteTableType);
}
private boolean subnetExistsForDelete(ServiceConfiguration configuration) throws Exception {
DescribeSubnetsType describeSubnetsType = MessageHelper.createMessage(DescribeSubnetsType.class, info.getEffectiveUserId());
describeSubnetsType.getFilterSet( ).add( Filter.filter( "subnet-id", properties.getSubnetId( ) ) );
DescribeSubnetsResponseType describeSubnetsResponseType = AsyncRequests.sendSync( configuration, describeSubnetsType );
if (describeSubnetsResponseType.getSubnetSet() == null || describeSubnetsResponseType.getSubnetSet().getItem() == null ||
describeSubnetsResponseType.getSubnetSet().getItem().isEmpty()) {
return false;
}
return true;
}
private boolean routeTableExistsForDelete(ServiceConfiguration configuration) throws Exception {
DescribeRouteTablesType describeRouteTablesType = MessageHelper.createMessage(DescribeRouteTablesType.class, info.getEffectiveUserId());
describeRouteTablesType.getFilterSet( ).add( Filter.filter( "route-table-id", properties.getRouteTableId( ) ) );
DescribeRouteTablesResponseType describeRouteTablesResponseType = AsyncRequests.sendSync( configuration, describeRouteTablesType );
if (describeRouteTablesResponseType.getRouteTableSet() == null || describeRouteTablesResponseType.getRouteTableSet().getItem() == null ||
describeRouteTablesResponseType.getRouteTableSet().getItem().isEmpty()) {
return false;
}
return true;
}
private boolean associationIdExistsForDelete(ServiceConfiguration configuration) throws Exception {
DescribeRouteTablesType describeRouteTablesType = MessageHelper.createMessage(DescribeRouteTablesType.class, info.getEffectiveUserId());
ArrayList<Filter> filterSet = Lists.newArrayList();;
Filter filter = new Filter();
filter.setName("association.route-table-association-id");
filter.setValueSet(Lists.<String>newArrayList(info.getPhysicalResourceId()));
filterSet.add(filter);
describeRouteTablesType.setFilterSet(filterSet);
DescribeRouteTablesResponseType describeRouteTablesResponseType = AsyncRequests.<DescribeRouteTablesType, DescribeRouteTablesResponseType> sendSync( configuration, describeRouteTablesType );
if (describeRouteTablesResponseType.getRouteTableSet() == null || describeRouteTablesResponseType.getRouteTableSet().getItem() == null ||
describeRouteTablesResponseType.getRouteTableSet().getItem().isEmpty()) {
return false;
}
return true;
}
}