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Core: Allow customizing FileIO in REST catalog #7064

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Merged
rdblue merged 5 commits into from
Mar 10, 2023
Merged

Core: Allow customizing FileIO in REST catalog #7064

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4c51a34
Core: Allow customizing FileIO in REST catalog.
rdblue Mar 9, 2023
dd65c2d
Apply spotless.
rdblue Mar 10, 2023
33ad0be
Core: Allow customizing FileIO in JDBC catalog.
rdblue Mar 10, 2023
95b2790
Fix checkstyle.
rdblue Mar 10, 2023
36552cf
Initialize with null.
rdblue Mar 10, 2023
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21 changes: 16 additions & 5 deletions core/src/main/java/org/apache/iceberg/jdbc/JdbcCatalog.java
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@
import java.util.Map;
import java.util.Set;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.apache.hadoop.conf.Configuration;
Expand Down Expand Up @@ -68,12 +69,13 @@ public class JdbcCatalog extends BaseMetastoreCatalog
private static final Logger LOG = LoggerFactory.getLogger(JdbcCatalog.class);
private static final Joiner SLASH = Joiner.on("/");

private FileIO io;
private FileIO io = null;
private String catalogName = "jdbc";
private String warehouseLocation;
private Object conf;
private JdbcClientPool connections;
private Map<String, String> catalogProperties;
private Function<Map<String, String>, FileIO> ioBuilder = null;

public JdbcCatalog() {}

Expand All @@ -95,10 +97,14 @@ public void initialize(String name, Map<String, String> properties) {
this.catalogName = name;
}

String fileIOImpl =
properties.getOrDefault(
CatalogProperties.FILE_IO_IMPL, "org.apache.iceberg.hadoop.HadoopFileIO");
this.io = CatalogUtil.loadFileIO(fileIOImpl, properties, conf);
if (null != ioBuilder) {
this.io = ioBuilder.apply(properties);
} else {
String ioImpl =
properties.getOrDefault(
CatalogProperties.FILE_IO_IMPL, "org.apache.iceberg.hadoop.HadoopFileIO");
this.io = CatalogUtil.loadFileIO(ioImpl, properties, conf);
}

try {
LOG.debug("Connecting to JDBC database {}", properties.get(CatalogProperties.URI));
Expand All @@ -116,6 +122,11 @@ public void initialize(String name, Map<String, String> properties) {
}
}

public void setFileIOBuilder(Function<Map<String, String>, FileIO> newIOBuilder) {
Preconditions.checkState(null == io, "Cannot set IO builder after calling initialize");
this.ioBuilder = newIOBuilder;
}

private void initializeCatalogTables() throws InterruptedException, SQLException {
LOG.trace("Creating database tables (if missing) to store iceberg catalog");
connections.run(
Expand Down
25 changes: 18 additions & 7 deletions core/src/main/java/org/apache/iceberg/rest/RESTSessionCatalog.java
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,7 @@ public class RESTSessionCatalog extends BaseSessionCatalog
OAuth2Properties.SAML1_TOKEN_TYPE);

private final Function<Map<String, String>, RESTClient> clientBuilder;
private Function<Map<String, String>, FileIO> ioBuilder = null;
private Cache<String, AuthSession> sessions = null;
private AuthSession catalogAuth = null;
private boolean keepTokenRefreshed = true;
Expand Down Expand Up @@ -187,10 +188,7 @@ public void initialize(String name, Map<String, String> unresolved) {
client, tokenRefreshExecutor(), token, expiresAtMillis(mergedProps), catalogAuth);
}

String ioImpl = mergedProps.get(CatalogProperties.FILE_IO_IMPL);
this.io =
CatalogUtil.loadFileIO(
ioImpl != null ? ioImpl : ResolvingFileIO.class.getName(), mergedProps, conf);
this.io = newFileIO(mergedProps);

this.snapshotMode =
SnapshotMode.valueOf(
Expand All @@ -205,6 +203,11 @@ public void initialize(String name, Map<String, String> unresolved) {
super.initialize(name, mergedProps);
}

public void setFileIOBuilder(Function<Map<String, String>, FileIO> newIOBuilder) {
Preconditions.checkState(null == io, "Cannot set IO builder after calling initialize");
this.ioBuilder = newIOBuilder;
}

private AuthSession session(SessionContext context) {
AuthSession session =
sessions.get(
Expand Down Expand Up @@ -762,16 +765,24 @@ private String fullTableName(TableIdentifier ident) {
return String.format("%s.%s", name(), ident);
}

private FileIO newFileIO(Map<String, String> properties) {
if (null != ioBuilder) {
return ioBuilder.apply(properties);
} else {
String ioImpl =
properties.getOrDefault(CatalogProperties.FILE_IO_IMPL, ResolvingFileIO.class.getName());
return CatalogUtil.loadFileIO(ioImpl, properties, conf);
}
}

private FileIO tableFileIO(Map<String, String> config) {
if (config.isEmpty()) {
return io; // reuse client and io since config is the same
}

Map<String, String> fullConf = RESTUtil.merge(properties(), config);
String ioImpl = fullConf.get(CatalogProperties.FILE_IO_IMPL);

return CatalogUtil.loadFileIO(
ioImpl != null ? ioImpl : ResolvingFileIO.class.getName(), fullConf, this.conf);
return newFileIO(fullConf);
}

private AuthSession tableSession(Map<String, String> tableConf, AuthSession parent) {
Expand Down