Java tutorial
/* * Copyright 2016 by PrimeCloud Controller/OSS Community. * * This file is part of PrimeCloud Controller(TM). * * PrimeCloud Controller(TM) 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, either version 2 of the License, or * (at your option) any later version. * * PrimeCloud Controller(TM) 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 PrimeCloud Controller(TM). If not, see <http://www.gnu.org/licenses/>. */ package jp.primecloud.auto.process.aws; import java.util.List; import jp.primecloud.auto.exception.AutoException; import jp.primecloud.auto.service.ServiceSupport; import jp.primecloud.auto.util.MessageUtils; import org.apache.commons.lang.builder.ReflectionToStringBuilder; import com.amazonaws.services.ec2.model.Address; import com.amazonaws.services.ec2.model.AvailabilityZone; import com.amazonaws.services.ec2.model.CreateTagsRequest; import com.amazonaws.services.ec2.model.DescribeAddressesRequest; import com.amazonaws.services.ec2.model.DescribeAddressesResult; import com.amazonaws.services.ec2.model.DescribeAvailabilityZonesRequest; import com.amazonaws.services.ec2.model.DescribeAvailabilityZonesResult; import com.amazonaws.services.ec2.model.DescribeImagesRequest; import com.amazonaws.services.ec2.model.DescribeImagesResult; import com.amazonaws.services.ec2.model.DescribeInstancesRequest; import com.amazonaws.services.ec2.model.DescribeInstancesResult; import com.amazonaws.services.ec2.model.DescribeSecurityGroupsRequest; import com.amazonaws.services.ec2.model.DescribeSecurityGroupsResult; import com.amazonaws.services.ec2.model.DescribeSubnetsRequest; import com.amazonaws.services.ec2.model.DescribeSubnetsResult; import com.amazonaws.services.ec2.model.DescribeVolumesRequest; import com.amazonaws.services.ec2.model.DescribeVolumesResult; import com.amazonaws.services.ec2.model.Filter; import com.amazonaws.services.ec2.model.Image; import com.amazonaws.services.ec2.model.Instance; import com.amazonaws.services.ec2.model.InstanceStateName; import com.amazonaws.services.ec2.model.Reservation; import com.amazonaws.services.ec2.model.SecurityGroup; import com.amazonaws.services.ec2.model.Subnet; import com.amazonaws.services.ec2.model.Tag; import com.amazonaws.services.ec2.model.Volume; import com.amazonaws.services.ec2.model.VolumeState; import com.amazonaws.services.elasticloadbalancing.model.DescribeLoadBalancersRequest; import com.amazonaws.services.elasticloadbalancing.model.DescribeLoadBalancersResult; import com.amazonaws.services.elasticloadbalancing.model.LoadBalancerDescription; /** * <p> * TODO: * </p> * */ public class AwsCommonProcess extends ServiceSupport { public Instance waitInstance(AwsProcessClient awsProcessClient, String instanceId) { // ??? Instance instance; while (true) { try { Thread.sleep(1000L * awsProcessClient.getDescribeInterval()); } catch (InterruptedException ignore) { } instance = describeInstance(awsProcessClient, instanceId); InstanceStateName state; try { state = InstanceStateName.fromValue(instance.getState().getName()); } catch (IllegalArgumentException e) { // ??? AutoException exception = new AutoException("EPROCESS-000104", instanceId, instance.getState().getName()); exception.addDetailInfo("result=" + ReflectionToStringBuilder.toString(instance)); throw exception; } // ????? if (state == InstanceStateName.Running || state == InstanceStateName.Terminated || state == InstanceStateName.Stopped) { break; } } return instance; } public Instance describeInstance(AwsProcessClient awsProcessClient, String instanceId) { // ??? DescribeInstancesRequest request = new DescribeInstancesRequest(); request.withInstanceIds(instanceId); DescribeInstancesResult result = awsProcessClient.getEc2Client().describeInstances(request); List<Reservation> reservations = result.getReservations(); // API?? if (reservations.size() == 0) { // ????? throw new AutoException("EPROCESS-000101", instanceId); } else if (reservations.size() > 1) { // ?????? AutoException exception = new AutoException("EPROCESS-000102", instanceId); exception.addDetailInfo("result=" + reservations); throw exception; } List<com.amazonaws.services.ec2.model.Instance> instances = reservations.get(0).getInstances(); if (instances.size() == 0) { // ????? throw new AutoException("EPROCESS-000101", instanceId); } else if (instances.size() > 1) { // ?????? AutoException exception = new AutoException("EPROCESS-000103", instanceId); exception.addDetailInfo("result=" + instances); throw exception; } return instances.get(0); } public Volume waitVolume(AwsProcessClient awsProcessClient, String volumeId) { // ??? Volume volume; while (true) { try { Thread.sleep(1000L * awsProcessClient.getDescribeInterval()); } catch (InterruptedException ignore) { } volume = describeVolume(awsProcessClient, volumeId); VolumeState state; try { state = VolumeState.fromValue(volume.getState()); } catch (IllegalArgumentException e) { // ??? AutoException exception = new AutoException("EPROCESS-000112", volume, volume.getState()); exception.addDetailInfo("result=" + ReflectionToStringBuilder.toString(volume)); throw exception; } // ????? if (state == VolumeState.Available || state == VolumeState.InUse || state == VolumeState.Deleted || state == VolumeState.Error) { break; } } return volume; } public Volume describeVolume(AwsProcessClient awsProcessClient, String volumeId) { // ??? DescribeVolumesRequest request = new DescribeVolumesRequest(); request.withVolumeIds(volumeId); DescribeVolumesResult result = awsProcessClient.getEc2Client().describeVolumes(request); List<Volume> volumes = result.getVolumes(); // API?? if (volumes.size() == 0) { // ????? throw new AutoException("EPROCESS-000110", volumeId); } else if (volumes.size() > 1) { // ?????? AutoException exception = new AutoException("EPROCESS-000111", volumeId); exception.addDetailInfo("result=" + volumes); throw exception; } return volumes.get(0); } public Address describeAddress(AwsProcessClient awsProcessClient, String publicIp) { // ??? DescribeAddressesRequest request = new DescribeAddressesRequest(); request.withPublicIps(publicIp); DescribeAddressesResult result = awsProcessClient.getEc2Client().describeAddresses(request); List<Address> addresses = result.getAddresses(); // API?? if (addresses.size() == 0) { // ????? throw new AutoException("EPROCESS-000117", publicIp); } else if (addresses.size() > 1) { // ?????? AutoException exception = new AutoException("EPROCESS-000118", publicIp); exception.addDetailInfo("result=" + addresses); throw exception; } return addresses.get(0); } public LoadBalancerDescription describeLoadBalancer(AwsProcessClient awsProcessClient, String loadBalancerName) { // ???? DescribeLoadBalancersRequest request = new DescribeLoadBalancersRequest(); request.withLoadBalancerNames(loadBalancerName); DescribeLoadBalancersResult result = awsProcessClient.getElbClient().describeLoadBalancers(request); List<LoadBalancerDescription> descriptions = result.getLoadBalancerDescriptions(); // API?? if (descriptions.size() == 0) { // ????? throw new AutoException("EPROCESS-000131", loadBalancerName); } else if (descriptions.size() > 1) { // ?????? AutoException exception = new AutoException("EPROCESS-000132", loadBalancerName); exception.addDetailInfo("result=" + descriptions); throw exception; } return descriptions.get(0); } public Image describeImage(AwsProcessClient awsProcessClient, String imageId) { DescribeImagesRequest request = new DescribeImagesRequest(); request.withImageIds(imageId); DescribeImagesResult result = awsProcessClient.getEc2Client().describeImages(request); List<Image> images = result.getImages(); if (images.isEmpty()) { return null; } return images.get(0); } public List<AvailabilityZone> describeAvailabilityZones(AwsProcessClient awsProcessClient) { DescribeAvailabilityZonesRequest request = new DescribeAvailabilityZonesRequest(); DescribeAvailabilityZonesResult result = awsProcessClient.getEc2Client().describeAvailabilityZones(request); List<AvailabilityZone> availabilityZones = result.getAvailabilityZones(); return availabilityZones; } public List<SecurityGroup> describeSecurityGroupsByVpcId(AwsProcessClient awsProcessClient, String vpcId) { DescribeSecurityGroupsRequest request = new DescribeSecurityGroupsRequest(); request.withFilters(new Filter().withName("vpc-id").withValues(vpcId)); DescribeSecurityGroupsResult result = awsProcessClient.getEc2Client().describeSecurityGroups(request); List<SecurityGroup> securityGroups = result.getSecurityGroups(); return securityGroups; } public List<Subnet> describeSubnetsByVpcId(AwsProcessClient awsProcessClient, String vpcId) { DescribeSubnetsRequest request = new DescribeSubnetsRequest(); request.withFilters(new Filter().withName("vpc-id").withValues(vpcId)); DescribeSubnetsResult result = awsProcessClient.getEc2Client().describeSubnets(request); List<Subnet> subnets = result.getSubnets(); return subnets; } public void createTag(AwsProcessClient awsProcessClient, String resourceId, List<Tag> tags) { CreateTagsRequest request = new CreateTagsRequest(); request.withResources(resourceId); request.withTags(tags); awsProcessClient.getEc2Client().createTags(request); // if (log.isInfoEnabled()) { for (Tag tag : tags) { log.info(MessageUtils.getMessage("IPROCESS-100154", resourceId, tag.getKey(), tag.getValue())); } } } }