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From R-Rajkumar <...@git.apache.org>
Subject [GitHub] stratos pull request: Apache cloudstack integration for Stratos
Date Fri, 31 Oct 2014 07:47:29 GMT
Github user R-Rajkumar commented on a diff in the pull request:

    https://github.com/apache/stratos/pull/97#discussion_r19655062
  
    --- Diff: components/org.apache.stratos.cloud.controller/src/main/java/org/apache/stratos/cloud/controller/iaases/CloudstackIaas.java
---
    @@ -0,0 +1,539 @@
    +package org.apache.stratos.cloud.controller.iaases;
    +
    +
    +import org.apache.commons.lang.StringUtils;
    +import org.apache.commons.logging.Log;
    +import org.apache.commons.logging.LogFactory;
    +import org.apache.stratos.cloud.controller.exception.CloudControllerException;
    +import org.apache.stratos.cloud.controller.exception.InvalidHostException;
    +import org.apache.stratos.cloud.controller.exception.InvalidRegionException;
    +import org.apache.stratos.cloud.controller.exception.InvalidZoneException;
    +import org.apache.stratos.cloud.controller.interfaces.Iaas;
    +import org.apache.stratos.cloud.controller.jcloud.ComputeServiceBuilderUtil;
    +import org.apache.stratos.cloud.controller.pojo.IaasProvider;
    +import org.apache.stratos.cloud.controller.util.CloudControllerConstants;
    +import org.apache.stratos.cloud.controller.validate.CloudstackPartitionValidator;
    +import org.apache.stratos.cloud.controller.validate.interfaces.PartitionValidator;
    +import org.jclouds.cloudstack.CloudStackApi;
    +import org.jclouds.cloudstack.compute.options.CloudStackTemplateOptions;
    +import org.jclouds.cloudstack.domain.*;
    +import org.jclouds.cloudstack.features.VolumeApi;
    +import org.jclouds.cloudstack.options.ListPublicIPAddressesOptions;
    +import org.jclouds.cloudstack.options.ListZonesOptions;
    +import org.jclouds.compute.ComputeServiceContext;
    +import org.jclouds.compute.domain.NodeMetadata;
    +import org.jclouds.compute.domain.Template;
    +import org.jclouds.compute.domain.TemplateBuilder;
    +import org.jclouds.compute.options.TemplateOptions;
    +import org.jclouds.domain.Location;
    +
    +import java.util.Arrays;
    +import java.util.HashMap;
    +import java.util.Map;
    +import java.util.Set;
    +import java.util.concurrent.TimeoutException;
    +
    +public class CloudstackIaas extends Iaas {
    +
    +    private static final Log log = LogFactory.getLog(CloudstackIaas.class);
    +
    +    public CloudstackIaas(IaasProvider iaasProvider) {
    +        super(iaasProvider);
    +    }
    +
    +    @Override
    +    public void buildComputeServiceAndTemplate() {
    +        // builds and sets Compute Service
    +        ComputeServiceBuilderUtil.buildDefaultComputeService(getIaasProvider());
    +        // builds and sets Template
    +        buildTemplate();
    +    }
    +
    +    @Override
    +    public void buildTemplate() {
    +
    +        IaasProvider iaasInfo = getIaasProvider();
    +
    +        //if compute service is not available
    +        if (iaasInfo.getComputeService() == null) {
    +            String msg = "Compute service is null for IaaS provider: "
    +                    + iaasInfo.getName();
    +            log.error(msg);
    +            throw new CloudControllerException(msg);
    +        }
    +
    +        //create templateBuilder
    +        TemplateBuilder templateBuilder = iaasInfo.getComputeService()
    +                .templateBuilder();
    +
    +        //**SET PROPERTIES TO templateBuilder OBJECT**//
    +
    +        /**
    +         * PROPERTY - 1
    +         * set image id specified
    +         */
    +        templateBuilder.imageId(iaasInfo.getImage());
    +
    +        /**
    +         *  PROPERTY-2
    +         *  if user has specified a zone in cloud-controller.xml, set the zone into templateBuilder
object
    +         *  (user should provide the zone id for this, because zone name is not unique
in cloudstack)
    +         */
    +        if (iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE) != null)
{
    +            Set<? extends Location> locations = iaasInfo.getComputeService().listAssignableLocations();
    +            for (Location location : locations) {
    +                if (location.getId().equals(iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE)))
{
    +                    //if the zone is valid set the zone to templateBuilder Object
    +                    templateBuilder.locationId(location.getId());
    +                    log.info("Zone has been set as " + iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE)
    +                            + " with id: " + location.getId());
    +                    break;
    +                }
    +            }
    +        }
    +
    +        /**
    +         * PROPERTY-3
    +         * if user has specified an instance type in cloud-controller.xml, set the instance
type into templateBuilder
    +         * object.(service offering)
    +         *Important:Specify the Service Offering type ID. Not the name. Because the name
is not unique in cloudstack.
    +         */
    +        if (iaasInfo.getProperty(CloudControllerConstants.INSTANCE_TYPE) != null) {
    +            templateBuilder.hardwareId(iaasInfo.getProperty(CloudControllerConstants.INSTANCE_TYPE));
    +        }
    +
    +        //build the template
    +        Template template = templateBuilder.build();
    +
    +        /**if you wish to auto assign IPs, instance spawning call should be
    +         * blocking, but if you
    +         * wish to assign IPs manually, it can be non-blocking.
    +         * is auto-assign-ip mode or manual-assign-ip mode?
    +         */
    +        boolean blockUntilRunning = Boolean.parseBoolean(iaasInfo
    +                .getProperty(CloudControllerConstants.AUTO_ASSIGN_IP));
    +        template.getOptions().as(TemplateOptions.class)
    +                .blockUntilRunning(blockUntilRunning);
    +
    +        // this is required in order to avoid creation of additional security
    +        // groups by Jclouds.
    +        template.getOptions().as(TemplateOptions.class)
    +                .inboundPorts(new int[]{});
    +
    +
    +        //**SET CLOUDSTACK SPECIFIC PROPERTIES TO TEMPLATE OBJECT**//
    +
    +        //set security group - If you are using basic zone
    +        if (iaasInfo.getProperty(CloudControllerConstants.SECURITY_GROUP_IDS) != null)
{
    +            template.getOptions()
    +                    .as(CloudStackTemplateOptions.class)
    +                    .securityGroupIds(Arrays.asList(iaasInfo.getProperty(CloudControllerConstants.SECURITY_GROUP_IDS)
    +                            .split(CloudControllerConstants.ENTRY_SEPARATOR)));
    +        }
    +
    +
    +        /**
    +         * set network ID - If you are using advanced zone
    +         * in cloudstack sometimes we get unautorized exception if we didn't specify
the
    +         * domain ID and user name
    +         */
    +        if (iaasInfo.getProperty(CloudControllerConstants.NETWORK_IDS) != null) {
    +            template.getOptions()
    +                    .as(CloudStackTemplateOptions.class)
    +                    .networks(Arrays.asList(iaasInfo.getProperty(CloudControllerConstants.NETWORK_IDS)
    +                            .split(CloudControllerConstants.ENTRY_SEPARATOR)));
    +        }
    +
    +        //set user name
    +        if (iaasInfo.getProperty(CloudControllerConstants.USER_NAME) != null) {
    +            template.getOptions().as(CloudStackTemplateOptions.class)
    +                    .account(iaasInfo.getProperty(CloudControllerConstants.USER_NAME));
    +        }
    +        //set domain ID
    +        if (iaasInfo.getProperty(CloudControllerConstants.DOMAIN_ID) != null) {
    +            template.getOptions().as(CloudStackTemplateOptions.class)
    +                    .domainId(iaasInfo.getProperty(CloudControllerConstants.DOMAIN_ID));
    +        }
    +
    +        /**
    +         *Set key pair
    +         * in cloudstack sometimes we get unauthorized exception if we didn't specify
the
    +         * domain ID and user name
    +         */
    +        if (iaasInfo.getProperty(CloudControllerConstants.KEY_PAIR) != null) {
    +            template.getOptions().as(CloudStackTemplateOptions.class)
    +                    .keyPair(iaasInfo.getProperty(CloudControllerConstants.KEY_PAIR));
    +        }
    +
    +        // ability to define tags
    +        if (iaasInfo.getProperty(CloudControllerConstants.TAGS) != null) {
    +            template.getOptions()
    +                    .as(CloudStackTemplateOptions.class)
    +                    .tags(Arrays.asList(iaasInfo.getProperty(CloudControllerConstants.TAGS)
    +                            .split(CloudControllerConstants.ENTRY_SEPARATOR)));
    +        }
    +        //set disk offering to the instance
    +        if (iaasInfo.getProperty(CloudControllerConstants.DISK_OFFERING) != null) {
    +            template.getOptions()
    +                    .as(CloudStackTemplateOptions.class)
    +                    .diskOfferingId(iaasInfo.getProperty(CloudControllerConstants.DISK_OFFERING));
    +        }
    +
    +        // set Template
    +        iaasInfo.setTemplate(template);
    +    }
    +
    +    @Override
    +    public void setDynamicPayload() {
    +        IaasProvider iaasInfo = getIaasProvider();
    +        if (iaasInfo.getTemplate() != null && iaasInfo.getPayload() != null)
{
    +            iaasInfo.getTemplate().getOptions().as(CloudStackTemplateOptions.class)
    +                    .userMetadata(convertByteArrayToHashMap(iaasInfo.getPayload()));
    +        }
    +    }
    +
    +    /**
    +     * IMPORTANT
    +     * In cloudstack we can assign public IPs, if we are using an advanced zone only.
If we are using a basic zone
    +     * we cannot assign public ips.
    +     * <p/>
    +     * When we use an advanced zone, a public IP address will get automatically assigned
to the vm. So we don't need
    +     * to find an unallocated IP address and assign that address to the vm (Not like
in ec2 and openstack).
    +     * <p/>
    +     * So  this method will find the IP that has been assigned to the vm and return it.
    +     */
    +    @Override
    +    public String associateAddress(NodeMetadata node) {
    +
    +        IaasProvider iaasInfo = getIaasProvider();
    +        ComputeServiceContext context = iaasInfo.getComputeService().getContext();
    +        CloudStackApi cloudStackApi = context.unwrapApi(CloudStackApi.class);
    +        String ip = null;
    +
    +        // get all allocated IPs
    +        ListPublicIPAddressesOptions listPublicIPAddressesOptions = new ListPublicIPAddressesOptions();
    +        listPublicIPAddressesOptions.zoneId(iaasInfo.getProperty(CloudControllerConstants.AVAILABILITY_ZONE));
    +
    +        Set<PublicIPAddress> publicIPAddresses = cloudStackApi.getAddressApi()
    +                .listPublicIPAddresses(listPublicIPAddressesOptions);
    +
    +        String id = node.getProviderId(); //vm ID
    +
    +        for (PublicIPAddress publicIPAddress : publicIPAddresses) {
    +            if (publicIPAddress.getVirtualMachineId().equals(id)) { //check whether this
instance has
    +                // already got an public ip or not
    +                ip = publicIPAddress.getIPAddress(); //A public ip has been successfully
assigned to the vm
    +                log.debug("Successfully associated an IP address " + ip
    +                        + " for node with id: " + node.getId());
    +                break;
    +            }
    +
    +        }
    +
    +        if (ip == null || ip.isEmpty()) { //IP has not been successfully assigned to
VM(That means there are
    +            //  no more IPs  available for the VM)
    +            String msg = "No address associated for node with id: " + node.getId();
    +            log.debug(msg);
    +            throw new CloudControllerException(msg);
    +        }
    +
    +        return ip;
    +    }
    +
    +    @Override
    +    public String associatePredefinedAddress(NodeMetadata node, String ip) {
    +        return "";
    +    }
    +
    +    @Override
    +    public void releaseAddress(String ip) {
    +        IaasProvider iaasInfo = getIaasProvider();
    +        ComputeServiceContext context = iaasInfo.getComputeService().getContext();
    +        CloudStackApi cloudStackApi = context.unwrapApi(CloudStackApi.class);
    +        cloudStackApi.getAddressApi().disassociateIPAddress(ip);
    +    }
    +
    +    @Override
    +    public boolean createKeyPairFromPublicKey(String region, String keyPairName, String
publicKey) {
    +
    +        IaasProvider iaasInfo = getIaasProvider();
    +        ComputeServiceContext context = iaasInfo.getComputeService().getContext();
    +        CloudStackApi cloudStackApi = context.unwrapApi(CloudStackApi.class);
    +        SshKeyPair sshKeyPair = cloudStackApi.getSSHKeyPairApi().createSSHKeyPair(keyPairName);
    +
    +        if (sshKeyPair != null) {
    +
    +            iaasInfo.getTemplate().getOptions().as(CloudStackTemplateOptions.class)
    +                    .keyPair(sshKeyPair.getName());
    +
    +            log.info("A key-pair is created successfully - Key Pair Name: " + sshKeyPair.getName());
    +            return true;
    +        }
    +        log.error("Key-pair is unable to create");
    +        return false;
    +    }
    +
    +    @Override
    +    public boolean isValidRegion(String region) throws InvalidRegionException {
    +
    +        IaasProvider iaasInfo = getIaasProvider();
    +        //no such method in Jclouds cloudstack api
    +        String msg = "Invalid region: " + region + " in the iaas: " + iaasInfo.getType();
    +        log.error(msg);
    +        throw new InvalidRegionException(msg);
    +    }
    +
    +    @Override
    +    public boolean isValidZone(String region, String zone) throws InvalidZoneException
{
    +
    +        IaasProvider iaasInfo = getIaasProvider();
    +        ComputeServiceContext context = iaasInfo.getComputeService().getContext();
    +        CloudStackApi cloudStackApi = context.unwrapApi(CloudStackApi.class);
    +        ListZonesOptions listZonesOptions = new ListZonesOptions();
    +        listZonesOptions.available(true);
    +        Set<Zone> zoneSet = cloudStackApi.getZoneApi().listZones(listZonesOptions);
    +
    +        for (org.jclouds.cloudstack.domain.Zone configuredZone : zoneSet) {
    +            if (configuredZone.getName().equalsIgnoreCase(zone)) {
    +                return true;
    +            }
    +        }
    +        String msg = "Invalid zone: " + zone + " in the iaas: " + iaasInfo.getType();
    +        log.error(msg);
    +        throw new InvalidZoneException(msg);
    +    }
    +
    +    @Override
    +    public boolean isValidHost(String zone, String host) throws InvalidHostException
{
    +
    +        IaasProvider iaasInfo = getIaasProvider();
    +        // there's no such method in jclouds cloustack api
    +        String msg = "Invalid host: " + host + " in the zone: " + zone + " and of the
iaas: " + iaasInfo.getType();
    +        log.error(msg);
    +        throw new InvalidHostException(msg);
    +
    +    }
    +
    +    @Override
    +    public PartitionValidator getPartitionValidator() {
    +        return new CloudstackPartitionValidator();
    +    }
    +
    +    @Override
    +    public String createVolume(int sizeGB, String snapshotId) {
    +
    +        //todo return volume ID if volume is created
    +        IaasProvider iaasInfo = getIaasProvider();
    +        ComputeServiceContext context = iaasInfo.getComputeService()
    +                .getContext();
    +
    +        String zone = ComputeServiceBuilderUtil.extractZone(iaasInfo);
    +        String diskOfferingID = iaasInfo.getTemplate().getOptions().as(CloudStackTemplateOptions.class)
    +                .getDiskOfferingId();
    +        if (zone == null && diskOfferingID == null) {
    +            log.fatal("Cannot create a new volume in the , [zone] : " + zone + " of Iaas
: " + iaasInfo);
    +            return null;
    +        }
    +
    +        VolumeApi volumeApi = context.unwrapApi(CloudStackApi.class).getVolumeApi();
    +
    +        Volume volume;
    +        if (StringUtils.isEmpty(snapshotId)) {
    +            if (log.isDebugEnabled()) {
    +                log.info("Creating a volume in the zone " + zone);
    --- End diff --
    
    Why doing a isDebugEnabled() to do an info log? :)


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