Github user imesh commented on a diff in the pull request:
https://github.com/apache/stratos/pull/97#discussion_r20060547
--- 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);
+ }
+
+ //cloudstack jcloud api does not return a volume object
+ volumeApi.createVolumeFromCustomDiskOfferingInZone(null,
diskOfferingID, zone, sizeGB);
+
+ // volume =
blockStoreApi.createVolumeInAvailabilityZone(zone, sizeGB);
+ } else {
+ if (log.isDebugEnabled()) {
+ log.info("Creating a volume in the zone " + zone + " from
the snapshot " + snapshotId);
+ }
+ volumeApi.createVolumeFromSnapshotInZone(null, diskOfferingID,
zone);
+ }
+
+ return null;
+ }
+
+ @Override
+ public String attachVolume(String instanceId, String volumeId, String
deviceName) {
+ IaasProvider iaasInfo = getIaasProvider();
+ ComputeServiceContext context = iaasInfo.getComputeService()
+ .getContext();
+ CloudStackApi cloudStackApi =
context.unwrapApi(CloudStackApi.class);
+
+ //get volume
+ org.jclouds.cloudstack.domain.Volume volume =
cloudStackApi.getVolumeApi().getVolume(volumeId);
+
+ //get current volume state
+ Volume.State volumeState = volume.getState();
+
+ if (log.isDebugEnabled()) {
+ log.debug("Volume " + volumeId + " is in state " +
volumeState);
+ }
+
+ //if volume is not available, not allocated or cannot use
+ //volume state ALLOCATED means that volume has not been attached
to any instance.
+
+ //TODO there is an error with logic.
+ if (!(volumeState == Volume.State.ALLOCATED || volumeState ==
Volume.State.CREATING
+ || volumeState == Volume.State.READY)) {
+ log.error(String.format("Volume %s can not be attached. Volume
status is %s", volumeId, volumeState));
+ }
+
+ //check whether the account of volume and instance is same
+ if
(!volume.getAccount().equals(cloudStackApi.getVirtualMachineApi()
+ .getVirtualMachine(instanceId).getAccount())) {
+ log.error(String.format("Volume %s can not be attached.
Instance account and Volume account " +
+ "are not the same ", volumeId));
+ }
+
+ boolean volumeBecameAvailable = false, volumeBecameAttached =
false;
+
+ try {
+ if (volumeState == Volume.State.CREATING) {
+
+ volumeBecameAvailable = waitForStatus(volumeId,
Volume.State.ALLOCATED, 5);
+
+ } else if (volumeState == Volume.State.READY) {
+ volumeBecameAvailable = true;
+ }
+
+ } catch (TimeoutException e) {
+ log.error("[Volume ID] " + volumeId + "did not become
ALLOCATED within expected timeout");
+ }
+
+ //if volume state is 'ALLOCATED'
+ if (volumeBecameAvailable) {
+
+ //attach volume into instance
+ cloudStackApi.getVolumeApi().attachVolume(volumeId,
instanceId);
+
+ try {
+ volumeBecameAttached = waitForStatus(volumeId,
Volume.State.READY, 2);
+ } catch (TimeoutException e) {
+ log.error("[Volume ID] " + volumeId + "did not become
READY within expected timeout");
+ }
+ }
+
+ try {
+ // waiting 5seconds till volumes are actually attached.
+ Thread.sleep(5000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
--- End diff --
Yes please remove the stack trace.
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