public void testDescribeVolumesWithNovaEC2Status() {
ElasticBlockStoreApi client =
requestsSendResponses(
describeAvailabilityZonesRequest,
describeAvailabilityZonesResponse,
HttpRequest.builder()
.method("POST")
.endpoint("http://localhost:8773/services/Cloud/")
.addHeader("Host", "localhost:8773")
.payload(
payloadFromStringWithContentType(
"Action=DescribeVolumes&Signature=AvRznSzGExM%2Buaj2JJj66wq4v4f%2BakicyLooRDtC0t0%3D&SignatureMethod=HmacSHA256&SignatureVersion=2&Timestamp=2012-04-16T15%3A54%3A08.897Z&Version=2009-04-04&AWSAccessKeyId=identity",
"application/x-www-form-urlencoded"))
.build(),
HttpResponse.builder()
.statusCode(200)
.payload(payloadFromResource("/nova_ec2_describe_volumes.xml"))
.build())
.getElasticBlockStoreApi()
.get();
Set<Volume> expected =
ImmutableSet.of(
Volume.builder()
.status(Volume.Status.AVAILABLE)
.availabilityZone("nova")
.region("nova")
.id("vol-00000007")
.size(1)
.attachments(Attachment.builder().region("nova").build())
.createTime(dateService.iso8601SecondsDateParse("2012-04-10T10:39:52Z"))
.build());
assertEquals(client.describeVolumesInRegion("nova"), expected);
}
@Override
public void deleteVolume(String volumeId) {
IaasProvider iaasInfo = getIaasProvider();
ComputeServiceContext context = iaasInfo.getComputeService().getContext();
String region = ComputeServiceBuilderUtil.extractRegion(iaasInfo);
if (region == null) {
log.fatal(
"Cannot delete the volume [id]: "
+ volumeId
+ " of the [region] : "
+ region
+ " of Iaas : "
+ iaasInfo);
return;
}
ElasticBlockStoreApi blockStoreApi =
context.unwrapApi(AWSEC2Api.class).getElasticBlockStoreApiForRegion(region).get();
blockStoreApi.deleteVolumeInRegion(region, volumeId);
log.info(
"Deletion of Volume [id]: "
+ volumeId
+ " was successful. [region] : "
+ region
+ " of Iaas : "
+ iaasInfo);
}
@Override
public String createVolume(int sizeGB, String snapshotId) {
IaasProvider iaasInfo = getIaasProvider();
ComputeServiceContext context = iaasInfo.getComputeService().getContext();
String region = ComputeServiceBuilderUtil.extractRegion(iaasInfo);
String zone = ComputeServiceBuilderUtil.extractZone(iaasInfo);
if (region == null || zone == null) {
log.fatal(
"Cannot create a new volume in the [region] : "
+ region
+ ", [zone] : "
+ zone
+ " of Iaas : "
+ iaasInfo);
return null;
}
ElasticBlockStoreApi blockStoreApi =
context.unwrapApi(AWSEC2Api.class).getElasticBlockStoreApiForRegion(region).get();
Volume volume;
if (StringUtils.isEmpty(snapshotId)) {
if (log.isDebugEnabled()) {
log.info("Creating a volume in the zone " + zone);
}
volume = blockStoreApi.createVolumeInAvailabilityZone(zone, sizeGB);
} else {
if (log.isDebugEnabled()) {
log.info("Creating a volume in the zone " + zone + " from the shanpshot " + snapshotId);
}
volume = blockStoreApi.createVolumeFromSnapshotInAvailabilityZone(zone, snapshotId);
}
if (volume == null) {
log.fatal(
"Volume creation was unsuccessful. [region] : "
+ region
+ ", [zone] : "
+ zone
+ " of Iaas : "
+ iaasInfo);
return null;
}
log.info(
"Successfully created a new volume [id]: "
+ volume.getId()
+ " in [region] : "
+ region
+ ", [zone] : "
+ zone
+ " of Iaas : "
+ iaasInfo);
return volume.getId();
}
@Override
public void detachVolume(String instanceId, String volumeId) {
IaasProvider iaasInfo = getIaasProvider();
ComputeServiceContext context = iaasInfo.getComputeService().getContext();
String region = ComputeServiceBuilderUtil.extractRegion(iaasInfo);
if (region == null) {
log.fatal(
"Cannot detach the volume [id]: "
+ volumeId
+ " from the instance [id]: "
+ instanceId
+ " of the [region] : "
+ region
+ " of Iaas : "
+ iaasInfo);
return;
}
ElasticBlockStoreApi blockStoreApi =
context.unwrapApi(AWSEC2Api.class).getElasticBlockStoreApiForRegion(region).get();
Set<Volume> volumeDescriptions = blockStoreApi.describeVolumesInRegion(region, volumeId);
Iterator<Volume> it = volumeDescriptions.iterator();
while (it.hasNext()) {
Volume.Status status = it.next().getStatus();
if (status == Volume.Status.AVAILABLE) {
log.warn(
String.format(
"Volume %s is already in AVAILABLE state. Volume seems to be detached somehow",
volumeId));
return;
}
}
blockStoreApi.detachVolumeInRegion(
region, volumeId, true, DetachVolumeOptions.Builder.fromInstance(instanceId));
log.info(
"Detachment of Volume [id]: "
+ volumeId
+ " from instance [id]: "
+ instanceId
+ " was successful. [region] : "
+ region
+ " of Iaas : "
+ iaasInfo);
}
private Volume.Status getVolumeStatus(
ElasticBlockStoreApi blockStoreApi, String region, String volumeId) {
Set<Volume> volumeDescriptions = blockStoreApi.describeVolumesInRegion(region, volumeId);
Iterator<Volume> it = volumeDescriptions.iterator();
return it.next().getStatus();
}
@Override
public String attachVolume(String instanceId, String volumeId, String deviceName) {
IaasProvider iaasInfo = getIaasProvider();
ComputeServiceContext context = iaasInfo.getComputeService().getContext();
String region = ComputeServiceBuilderUtil.extractRegion(iaasInfo);
String zone = ComputeServiceBuilderUtil.extractZone(iaasInfo);
String device = deviceName == null ? "/dev/sdh" : deviceName;
if (region == null || zone == null) {
log.fatal(
"Cannot attach the volume [id]: "
+ volumeId
+ " in the [region] : "
+ region
+ ", [zone] : "
+ zone
+ " of Iaas : "
+ iaasInfo);
return null;
}
ElasticBlockStoreApi blockStoreApi =
context.unwrapApi(AWSEC2Api.class).getElasticBlockStoreApiForRegion(region).get();
Volume.Status volumeStatus = this.getVolumeStatus(blockStoreApi, region, volumeId);
if (log.isDebugEnabled()) {
log.debug("Volume " + volumeId + " is in state " + volumeStatus);
}
while (volumeStatus != Volume.Status.AVAILABLE) {
try {
// TODO Use a proper mechanism to wait till volume becomes available.
Thread.sleep(1000);
volumeStatus = this.getVolumeStatus(blockStoreApi, region, volumeId);
if (log.isDebugEnabled()) {
log.debug(
"Volume " + volumeId + " is still NOT in AVAILABLE. Current State=" + volumeStatus);
}
} catch (InterruptedException e) {
// Ignoring the exception
}
}
if (log.isDebugEnabled()) {
log.debug("Volume " + volumeId + " became AVAILABLE");
}
Attachment attachment =
blockStoreApi.attachVolumeInRegion(region, volumeId, instanceId, device);
if (attachment == null) {
log.fatal(
"Volume [id]: "
+ volumeId
+ " attachment for instance [id]: "
+ instanceId
+ " was unsuccessful. [region] : "
+ region
+ ", [zone] : "
+ zone
+ " of Iaas : "
+ iaasInfo);
return null;
}
log.info(
"Volume [id]: "
+ volumeId
+ " attachment for instance [id]: "
+ instanceId
+ " was successful [status]: "
+ attachment.getStatus().value()
+ ". [region] : "
+ region
+ ", [zone] : "
+ zone
+ " of Iaas : "
+ iaasInfo);
return attachment.getStatus().value();
}
