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@asthamohta
asthamohta committed Apr 4, 2022
1 parent 698cd97 commit c370f35
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151 changes: 74 additions & 77 deletions samples/snippets/src/main/java/com/example/spanner/CopyBackupSample.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,90 +34,87 @@
import java.util.concurrent.TimeUnit;

public class CopyBackupSample {

public static void main(String[] args) {
if (args.length != 4) {
throw new IllegalArgumentException(
"Invalid number of arguments. "
+ "Usage: CopyBackupSample "
+ "<project-id> <instance-id> <source-backup-id> <destination-backup-id>");
}
String projectId = args[0];
String instanceId = args[1];
String sourceBackupId = args[2];
String destinationBackupId = args[3];

try (Spanner spanner =
SpannerOptions.newBuilder().setProjectId(projectId).build().getService()) {
DatabaseAdminClient databaseAdminClient = spanner.getDatabaseAdminClient();
copyBackup(databaseAdminClient, projectId, instanceId, sourceBackupId, destinationBackupId);
}
public static void main(String[] args) {
if (args.length != 4) {
throw new IllegalArgumentException(
"Invalid number of arguments. "
+ "Usage: CopyBackupSample "
+ "<project-id> <instance-id> <source-backup-id> <destination-backup-id>");
}
String projectId = args[0];
String instanceId = args[1];
String sourceBackupId = args[2];
String destinationBackupId = args[3];

static void copyBackup() {
// TODO(developer): Replace these variables before running the sample.
String projectId = "my-project";
String instanceId = "my-instance";
String sourceBackupId = "my-backup";
String destinationBackupId = "my-destination-backup";

try (Spanner spanner =
SpannerOptions.newBuilder().setProjectId(projectId).build().getService()) {
DatabaseAdminClient databaseAdminClient = spanner.getDatabaseAdminClient();
copyBackup(databaseAdminClient, projectId, instanceId, sourceBackupId, destinationBackupId);
}
try (Spanner spanner =
SpannerOptions.newBuilder().setProjectId(projectId).build().getService()) {
DatabaseAdminClient databaseAdminClient = spanner.getDatabaseAdminClient();
copyBackup(databaseAdminClient, projectId, instanceId, sourceBackupId, destinationBackupId);
}
}

static Void copyBackup(
DatabaseAdminClient databaseAdminClient,
String projectId,
String instanceId,
String sourceBackupId,
String destinationBackupId) {

Timestamp expireTime =
Timestamp.ofTimeMicroseconds(
TimeUnit.MICROSECONDS.convert(
System.currentTimeMillis() + TimeUnit.DAYS.toMillis(14), TimeUnit.MILLISECONDS));
// Creates a copy of an existing backup.
Backup destinationBackup =
databaseAdminClient
.newBackupBuilder(BackupId.of(projectId, instanceId, destinationBackupId))
.setExpireTime(expireTime)
.build();
static void copyBackup() {
// TODO(developer): Replace these variables before running the sample.
String projectId = "my-project";
String instanceId = "my-instance";
String sourceBackupId = "my-backup";
String destinationBackupId = "my-destination-backup";
try (Spanner spanner =
SpannerOptions.newBuilder().setProjectId(projectId).build().getService()) {
DatabaseAdminClient databaseAdminClient = spanner.getDatabaseAdminClient();
copyBackup(databaseAdminClient, projectId, instanceId, sourceBackupId, destinationBackupId);
}
}

// Initiate the request which returns an OperationFuture.
System.out.println("Copying backup [" + destinationBackup.getId() + "]...");
OperationFuture<Backup, CopyBackupMetadata> op =
databaseAdminClient.copyBackup(
BackupId.of(projectId, instanceId, sourceBackupId), destinationBackup);
try {
// Wait for the backup operation to complete.
destinationBackup = op.get();
System.out.println("Copied backup [" + destinationBackup.getId() + "]");
} catch (ExecutionException e) {
throw (SpannerException) e.getCause();
} catch (InterruptedException e) {
throw SpannerExceptionFactory.propagateInterrupt(e);
}
static Void copyBackup(
DatabaseAdminClient databaseAdminClient,
String projectId,
String instanceId,
String sourceBackupId,
String destinationBackupId) {

// Reload the metadata of the backup from the server.
destinationBackup = destinationBackup.reload();
System.out.println(
String.format(
"Backup %s of size %d bytes was copied at %s for version of database at %s",
destinationBackup.getId().getName(),
destinationBackup.getSize(),
LocalDateTime.ofEpochSecond(
destinationBackup.getProto().getCreateTime().getSeconds(),
destinationBackup.getProto().getCreateTime().getNanos(),
OffsetDateTime.now().getOffset()),
LocalDateTime.ofEpochSecond(
destinationBackup.getProto().getVersionTime().getSeconds(),
destinationBackup.getProto().getVersionTime().getNanos(),
OffsetDateTime.now().getOffset())));
Timestamp expireTime =
Timestamp.ofTimeMicroseconds(
TimeUnit.MICROSECONDS.convert(
System.currentTimeMillis() + TimeUnit.DAYS.toMillis(14),
TimeUnit.MILLISECONDS));
// Creates a copy of an existing backup.
Backup destinationBackup =
databaseAdminClient
.newBackupBuilder(BackupId.of(projectId, instanceId, destinationBackupId))
.setExpireTime(expireTime)
.build();

return null;
// Initiate the request which returns an OperationFuture.
System.out.println("Copying backup [" + destinationBackup.getId() + "]...");
OperationFuture<Backup, CopyBackupMetadata> op =
databaseAdminClient.copyBackup(
BackupId.of(projectId, instanceId, sourceBackupId), destinationBackup);
try {
// Wait for the backup operation to complete.
destinationBackup = op.get();
System.out.println("Copied backup [" + destinationBackup.getId() + "]");
} catch (ExecutionException e) {
throw (SpannerException) e.getCause();
} catch (InterruptedException e) {
throw SpannerExceptionFactory.propagateInterrupt(e);
}
// Reload the metadata of the backup from the server.
destinationBackup = destinationBackup.reload();
System.out.println(
String.format(
"Backup %s of size %d bytes was copied at %s for version of database at %s",
destinationBackup.getId().getName(),
destinationBackup.getSize(),
LocalDateTime.ofEpochSecond(
destinationBackup.getProto().getCreateTime().getSeconds(),
destinationBackup.getProto().getCreateTime().getNanos(),
OffsetDateTime.now().getOffset()),
LocalDateTime.ofEpochSecond(
destinationBackup.getProto().getVersionTime().getSeconds(),
destinationBackup.getProto().getVersionTime().getNanos(),
OffsetDateTime.now().getOffset())));
return null;
}
}
// [END spanner_copy_backup]
60 changes: 32 additions & 28 deletions samples/snippets/src/main/java/com/example/spanner/SpannerSample.java
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Original file line number Diff line number Diff line change
Expand Up @@ -56,8 +56,8 @@
import com.google.common.io.BaseEncoding;
import com.google.longrunning.Operation;
import com.google.protobuf.InvalidProtocolBufferException;
import com.google.spanner.admin.database.v1.CreateBackupMetadata;
import com.google.spanner.admin.database.v1.CopyBackupMetadata;
import com.google.spanner.admin.database.v1.CreateBackupMetadata;
import com.google.spanner.admin.database.v1.CreateDatabaseMetadata;
import com.google.spanner.admin.database.v1.OptimizeRestoredDatabaseMetadata;
import com.google.spanner.admin.database.v1.RestoreDatabaseMetadata;
Expand Down Expand Up @@ -1669,12 +1669,14 @@ static void listBackupOperations(
TimeUnit.HOURS), 0);
String filter =
String.format(
"(metadata.@type:type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) "
"(metadata.@type:type.googleapis.com/"
+ "google.spanner.admin.database.v1.CreateBackupMetadata) "
+ "AND (metadata.database:%s)",
databaseId.getName());
Page<Operation> createBackupOperations = instance.listBackupOperations(Options.filter(filter));
System.out.println("Create Backup Operations:");
for (Operation op : createBackupOperations.iterateAll()) {
Page<Operation> createBackupOperations = instance.listBackupOperations(
Options.filter(filter));
System.out.println("Create Backup Operations:");
for (Operation op : createBackupOperations.iterateAll()) {
try {
CreateBackupMetadata metadata = op.getMetadata().unpack(CreateBackupMetadata.class);
System.out.println(
Expand All @@ -1688,29 +1690,30 @@ static void listBackupOperations(
System.err.println(e.getMessage());
}
}
// Get copy backup operations for the sample database.
filter =
// Get copy backup operations for the sample database.
filter =
String.format(
"(metadata.@type:type.googleapis.com/"
+ "google.spanner.admin.database.v1.CopyBackupMetadata) "
+ "AND (metadata.source_backup:%s)",
backupId.getName());
Page<Operation> copyBackupOperations = instance.listBackupOperations(Options.filter(filter));
System.out.println("Copy Backup Operations:");
for (Operation op : copyBackupOperations.iterateAll()) {
try {
CopyBackupMetadata copyBackupMetadata = op.getMetadata().unpack(CopyBackupMetadata.class);
System.out.println(
Page<Operation> copyBackupOperations = instance.listBackupOperations(Options.filter(filter));
System.out.println("Copy Backup Operations:");
for (Operation op : copyBackupOperations.iterateAll()) {
try {
CopyBackupMetadata copyBackupMetadata =
op.getMetadata().unpack(CopyBackupMetadata.class);
System.out.println(
String.format(
"Copy Backup %s on backup %s pending: %d%% complete",
copyBackupMetadata.getName(),
copyBackupMetadata.getSourceBackup(),
copyBackupMetadata.getProgress().getProgressPercent()));
} catch (InvalidProtocolBufferException e) {
// The returned operation does not contain CopyBackupMetadata.
System.err.println(e.getMessage());
}
} catch (InvalidProtocolBufferException e) {
// The returned operation does not contain CopyBackupMetadata.
System.err.println(e.getMessage());
}
}
}
// [END spanner_list_backup_operations]

Expand Down Expand Up @@ -1864,18 +1867,19 @@ static void updateBackup(DatabaseAdminClient dbAdminClient, BackupId backupId) {
TimeUnit.SECONDS.toMicros(backup.getExpireTime().getSeconds())
+ TimeUnit.NANOSECONDS.toMicros(backup.getExpireTime().getNanos())
+ TimeUnit.DAYS.toMicros(30L));
// New Expire Time must be less than Max Expire Time
expireTime = expireTime.compareTo(backup.getMaxExpireTime())<0?expireTime:backup.getMaxExpireTime();
int timeDiff = expireTime.compareTo(backup.getExpireTime());
Timestamp newExpireTime = (timeDiff < 0) ? expireTime : backup.getExpireTime();
// New Expire Time must be less than Max Expire Time
expireTime = expireTime.compareTo(backup.getMaxExpireTime())
< 0 ? expireTime : backup.getMaxExpireTime();
int timeDiff = expireTime.compareTo(backup.getExpireTime());
Timestamp newExpireTime = (timeDiff < 0) ? expireTime : backup.getExpireTime();

System.out.println(String.format(
System.out.println(String.format(
"Updating expire time of backup [%s] to %s...",
backupId.toString(),
LocalDateTime.ofEpochSecond(
expireTime.getSeconds(),
expireTime.getNanos(),
OffsetDateTime.now().getOffset()).toString()));
expireTime.getSeconds(),
expireTime.getNanos(),
OffsetDateTime.now().getOffset()).toString()));

// Update expire time.
backup = backup.toBuilder().setExpireTime(expireTime).build();
Expand Down Expand Up @@ -2180,7 +2184,7 @@ static void printUsageAndExit() {
}

public static void main(String[] args) throws Exception {
if (args.length != 3 && args.length != 4) {
if (args.length != 3 && args.length != 4) {
printUsageAndExit();
}
// [START init_client]
Expand All @@ -2205,8 +2209,8 @@ public static void main(String[] args) throws Exception {
"%s_%02d",
db.getDatabase(), LocalDate.now().get(ChronoField.ALIGNED_WEEK_OF_YEAR));
BackupId backup = BackupId.of(db.getInstanceId(), backupName);
if( args.length == 4) {
backupName = args[3];
if (args.length == 4) {
backupName = args[3];
}

// [START init_client]
Expand Down

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