public class StorageProperties {
private static Logger LOG = Logger.getLogger(StorageProperties.class);
public static final String storageRootDirectory = BaseDirectory.VAR.getChildPath("volumes");
public static final long GB = 1024 * 1024 * 1024;
public static final long MB = 1024 * 1024;
public static final long KB = 1024;
public static final String iface = "eth0";
public static final int MAX_TOTAL_VOLUME_SIZE = 100;
public static final int MAX_VOLUME_SIZE = 15;
public static int TRANSFER_CHUNK_SIZE = 8192;
public static final boolean zeroFillVolumes = false;
public static final long timeoutInMillis = 10000;
public static boolean enableSnapshots = false;
public static boolean enableStorage = false;
public static boolean shouldEnforceUsageLimits = true;
public static String STORE_PREFIX = "iqn.2009-06.com.eucalyptus.";
public static String WALRUS_URL = "http://localhost:8773/services/objectstorage";
public static String NAME = "unregistered";
public static String STORAGE_HOST = "127.0.0.1";
public static final String ISCSI_INITIATOR_NAME_CONF = "/etc/iscsi/initiatorname.iscsi";
public static String SC_INITIATOR_IQN = null;
public static final String EUCA_ROOT_WRAPPER =
BaseDirectory.LIBEXEC.toString() + "/euca_rootwrap";
public static final String blockSize = "1M";
public static String DAS_DEVICE = "/dev/blockdev";
public static final String TOKEN_PREFIX =
"sc://"; // Used to indicate a token should be resolved to an SC
public static final String SNAPSHOT_BUCKET_PREFIX = "snapshots-";
public static final String EBS_ROLE_NAME = "EBSUpload";
public static final String S3_BUCKET_ACCESS_POLICY_NAME = "S3EBSBucketAccess";
public static final String S3_OBJECT_ACCESS_POLICY_NAME = "S3EBSObjectAccess";
public static final String DEFAULT_ASSUME_ROLE_POLICY =
"{\"Statement\":[{\"Effect\":\"Allow\",\"Principal\":{\"Service\":[\"s3.amazonaws.com\"]},\"Action\":[\"sts:AssumeRole\"]}]}";
public static final String S3_SNAPSHOT_BUCKET_ACCESS_POLICY =
"{\"Statement\":["
+ "{"
+ "\"Effect\":\"Allow\","
+ "\"Action\": [\"s3:*\"],"
+ "\"Resource\": \"arn:aws:s3:::*\""
+ "}"
+ "]}";
public static final String S3_SNAPSHOT_OBJECT_ACCESS_POLICY =
"{\"Statement\":["
+ "{"
+ "\"Effect\":\"Allow\","
+ "\"Action\": [\"s3:*\"],"
+ "\"Resource\": \"arn:aws:s3:::*/*\""
+ "}"
+ "]}";
public static final Integer DELETED_VOLUME_EXPIRATION_TIME = 24; // hours
public static String formatVolumeAttachmentTokenForTransfer(String token, String volumeId) {
return TOKEN_PREFIX + volumeId + "," + token;
}
private static String getSCIqn() {
try {
Runtime rt = Runtime.getRuntime();
Process proc =
rt.exec(
new String[] {StorageProperties.EUCA_ROOT_WRAPPER, "cat", ISCSI_INITIATOR_NAME_CONF});
StreamConsumer error = new StreamConsumer(proc.getErrorStream());
ConfigParser output = new ConfigParser(proc.getInputStream());
error.start();
output.start();
output.join();
error.join();
if (output.getValues() != null && output.getValues().containsKey("InitiatorName")) {
return output.getValues().get("InitiatorName");
}
} catch (Exception t) {
LOG.error("Failed to get local SC's initiator iqn from " + ISCSI_INITIATOR_NAME_CONF, t);
}
return null;
}
public static String getStorageIqn() {
if (SC_INITIATOR_IQN == null) {
SC_INITIATOR_IQN = getSCIqn();
}
return SC_INITIATOR_IQN;
}
public static void updateName() {
try {
StorageProperties.NAME =
Components.lookup(Storage.class).getLocalServiceConfiguration().getPartition();
} catch (NoSuchElementException ex) {
LOG.error(ex, ex);
LOG.error("Failed to configure Storage Controller NAME.");
throw ex;
}
}
public static void updateStorageHost() {
try {
STORAGE_HOST = Components.lookup(Storage.class).getLocalServiceConfiguration().getHostName();
} catch (NoSuchElementException ex) {
LOG.error(ex, ex);
LOG.error(
"Failed to configure Storage Controller HOST (given the name "
+ StorageProperties.NAME
+ ".");
}
}
public static void updateStorageHost(String hostName) {
STORAGE_HOST = hostName;
}
public static void updateWalrusUrl() {
try {
ServiceConfiguration walrusConfig = Topology.lookup(ObjectStorage.class);
WALRUS_URL = ServiceUris.remote(walrusConfig).toASCIIString();
StorageProperties.enableSnapshots = true;
LOG.info("Setting WALRUS_URL to: " + WALRUS_URL);
} catch (Exception e) {
LOG.warn(
"Could not obtain walrus information. Snapshot functionality may be unavailable. Have you registered ObjectStorage?");
StorageProperties.enableSnapshots = false;
}
}
public enum Status {
creating,
available,
pending,
completed,
failed,
error,
deleting,
deleted
}
public enum StorageParameters {
EucaSignature,
EucaSnapSize,
EucaCert,
EucaEffectiveUserId
}
public static <T> EntityWrapper<T> getEntityWrapper() {
return (EntityWrapper<T>) EntityWrapper.get(VolumeInfo.class);
}
}
