@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();
}