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Removing custom classloader and allow loading drivers at runtime

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Closes #13205

Co-authored-by: Brett Lounsbury <brett.lounsbury@nasdaq.com>
This commit is contained in:
Pedro Igor 2023-03-31 09:36:02 -03:00 committed by Václav Muzikář
parent 17c1b853e0
commit d857ea8ec2
16 changed files with 43 additions and 58 deletions
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13
docs/guides/server/db.adoc
View file

@ -57,6 +57,19 @@ The following is a sample command for a PostgreSQL database.
Be aware that you need to escape characters when invoking commands containing special shell characters such as `;` using the CLI, so you might want to set it in the configuration file instead.
== Overriding the default JDBC driver
The server uses a default JDBC driver accordingly to the database you chose.
To set a different driver you can set the `db-driver` with the fully qualified class name of the JDBC driver:
<@kc.start parameters="--db postgres --db-driver=my.Driver"/>
Regardless of the driver you set, the default driver is always available at runtime.
Only set this property if you really need to. For instance, when leveraging the capabilities from a JDBC Driver Wrapper for
a specific cloud database service.
== Configuring Unicode support for the database
Unicode support for all fields depends on whether the database allows VARCHAR and CHAR fields to use the Unicode character set.

3
quarkus/config-api/src/main/java/org/keycloak/config/DatabaseOptions.java
View file

@ -12,8 +12,7 @@ public class DatabaseOptions {
public static final Option<String> DB_DRIVER = new OptionBuilder<>("db-driver", String.class)
.category(OptionCategory.DATABASE)
.hidden()
.defaultValue(Database.getDriver("dev-file", true).get())
.description("The fully qualified class name of the JDBC driver. If not set, a default driver is set accordingly to the chosen database.")
.build();
public static final Option<String> DB = new OptionBuilder<>("db", String.class)

42
quarkus/runtime/src/main/java/org/keycloak/quarkus/runtime/KeycloakClassLoader.java
View file

@ -1,42 +0,0 @@
/*
* Copyright 2021 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.quarkus.runtime;
import java.io.IOException;
import java.net.URL;
import java.sql.Driver;
import java.util.Collections;
import java.util.Enumeration;
public class KeycloakClassLoader extends ClassLoader {
KeycloakClassLoader() {
super(Thread.currentThread().getContextClassLoader());
}
@Override
public Enumeration<URL> getResources(String name) throws IOException {
// drivers are going to be loaded lazily, and we avoid loading all available drivers
// see https://github.com/quarkusio/quarkus/pull/7089
if (name.contains(Driver.class.getName())) {
return Collections.emptyEnumeration();
}
return super.getResources(name);
}
}

6
quarkus/runtime/src/main/java/org/keycloak/quarkus/runtime/KeycloakMain.java
View file

@ -94,11 +94,7 @@ public class KeycloakMain implements QuarkusApplication {
}
public static void start(ExecutionExceptionHandler errorHandler, PrintWriter errStream, String[] args) {
ClassLoader originalCl = Thread.currentThread().getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader(new KeycloakClassLoader());
Quarkus.run(KeycloakMain.class, (exitCode, cause) -> {
if (cause != null) {
errorHandler.error(errStream,
@ -117,8 +113,6 @@ public class KeycloakMain implements QuarkusApplication {
String.format("Unexpected error when starting the server in (%s) mode", getKeycloakModeFromProfile(getProfileOrDefault("prod"))),
cause.getCause());
System.exit(1);
} finally {
Thread.currentThread().setContextClassLoader(originalCl);
}
}

1
quarkus/runtime/src/main/java/org/keycloak/quarkus/runtime/configuration/mappers/DatabasePropertyMappers.java
View file

@ -34,6 +34,7 @@ final class DatabasePropertyMappers {
.mapFrom("db")
.to("quarkus.datasource.jdbc.driver")
.transformer(DatabasePropertyMappers::getXaOrNonXaDriver)
.paramLabel("driver")
.build(),
fromOption(DatabaseOptions.DB)
.transformer(DatabasePropertyMappers::resolveDatabaseVendor)

6
quarkus/tests/integration/src/test/java/org/keycloak/it/cli/OptionValidationTest.java
View file

@ -59,7 +59,7 @@ public class OptionValidationTest {
public void failUnknownOptionWhitespaceSeparatorNotShowingValue(LaunchResult result) {
CLIResult cliResult = (CLIResult) result;
assertEquals("Unknown option: '--db-pasword'\n" +
"Possible solutions: --db-url, --db-url-host, --db-url-database, --db-url-port, --db-url-properties, --db-username, --db-password, --db-schema, --db-pool-initial-size, --db-pool-min-size, --db-pool-max-size, --db\n" +
"Possible solutions: --db-driver, --db-url, --db-url-host, --db-url-database, --db-url-port, --db-url-properties, --db-username, --db-password, --db-schema, --db-pool-initial-size, --db-pool-min-size, --db-pool-max-size, --db\n" +
"Try '" + KeycloakDistribution.SCRIPT_CMD + " start --help' for more information on the available options.", cliResult.getErrorOutput());
}
@ -68,7 +68,7 @@ public class OptionValidationTest {
public void failUnknownOptionEqualsSeparatorNotShowingValue(LaunchResult result) {
CLIResult cliResult = (CLIResult) result;
assertEquals("Unknown option: '--db-pasword'\n" +
"Possible solutions: --db-url, --db-url-host, --db-url-database, --db-url-port, --db-url-properties, --db-username, --db-password, --db-schema, --db-pool-initial-size, --db-pool-min-size, --db-pool-max-size, --db\n" +
"Possible solutions: --db-driver, --db-url, --db-url-host, --db-url-database, --db-url-port, --db-url-properties, --db-username, --db-password, --db-schema, --db-pool-initial-size, --db-pool-min-size, --db-pool-max-size, --db\n" +
"Try '" + KeycloakDistribution.SCRIPT_CMD + " start --help' for more information on the available options.", cliResult.getErrorOutput());
}
@ -77,7 +77,7 @@ public class OptionValidationTest {
public void failWithFirstOptionOnMultipleUnknownOptions(LaunchResult result) {
CLIResult cliResult = (CLIResult) result;
assertEquals("Unknown option: '--db-pasword'\n" +
"Possible solutions: --db-url, --db-url-host, --db-url-database, --db-url-port, --db-url-properties, --db-username, --db-password, --db-schema, --db-pool-initial-size, --db-pool-min-size, --db-pool-max-size, --db\n" +
"Possible solutions: --db-driver, --db-url, --db-url-host, --db-url-database, --db-url-port, --db-url-properties, --db-username, --db-password, --db-schema, --db-pool-initial-size, --db-pool-min-size, --db-pool-max-size, --db\n" +
"Try '" + KeycloakDistribution.SCRIPT_CMD + " start --help' for more information on the available options.", cliResult.getErrorOutput());
}
}

2
quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testExportHelp.unix.approved.txt vendored
View file

@ -13,6 +13,8 @@ Options:
Database:
--db-driver <driver> The fully qualified class name of the JDBC driver. If not set, a default
driver is set accordingly to the chosen database.
--db-password <password>
The password of the database user.
--db-pool-initial-size <size>

2
quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testExportHelpAll.unix.approved.txt vendored
View file

@ -32,6 +32,8 @@ Storage (Experimental):
Database:
--db-driver <driver> The fully qualified class name of the JDBC driver. If not set, a default
driver is set accordingly to the chosen database.
--db-password <password>
The password of the database user.
--db-pool-initial-size <size>

2
quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testImportHelp.unix.approved.txt vendored
View file

@ -13,6 +13,8 @@ Options:
Database:
--db-driver <driver> The fully qualified class name of the JDBC driver. If not set, a default
driver is set accordingly to the chosen database.
--db-password <password>
The password of the database user.
--db-pool-initial-size <size>

2
quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testImportHelpAll.unix.approved.txt vendored
View file

@ -32,6 +32,8 @@ Storage (Experimental):
Database:
--db-driver <driver> The fully qualified class name of the JDBC driver. If not set, a default
driver is set accordingly to the chosen database.
--db-password <password>
The password of the database user.
--db-pool-initial-size <size>

2
quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testStartDevHelp.unix.approved.txt vendored
View file

@ -32,6 +32,8 @@ Database:
--db <vendor> The database vendor. Possible values are: dev-file, dev-mem, mariadb, mssql,
mysql, oracle, postgres. Default: dev-file.
--db-driver <driver> The fully qualified class name of the JDBC driver. If not set, a default
driver is set accordingly to the chosen database.
--db-password <password>
The password of the database user.
--db-pool-initial-size <size>

2
quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testStartDevHelpAll.unix.approved.txt vendored
View file

@ -95,6 +95,8 @@ Database:
--db <vendor> The database vendor. Possible values are: dev-file, dev-mem, mariadb, mssql,
mysql, oracle, postgres. Default: dev-file.
--db-driver <driver> The fully qualified class name of the JDBC driver. If not set, a default
driver is set accordingly to the chosen database.
--db-password <password>
The password of the database user.
--db-pool-initial-size <size>

2
quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testStartHelp.unix.approved.txt vendored
View file

@ -38,6 +38,8 @@ Database:
--db <vendor> The database vendor. Possible values are: dev-file, dev-mem, mariadb, mssql,
mysql, oracle, postgres. Default: dev-file.
--db-driver <driver> The fully qualified class name of the JDBC driver. If not set, a default
driver is set accordingly to the chosen database.
--db-password <password>
The password of the database user.
--db-pool-initial-size <size>

2
quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testStartHelpAll.unix.approved.txt vendored
View file

@ -101,6 +101,8 @@ Database:
--db <vendor> The database vendor. Possible values are: dev-file, dev-mem, mariadb, mssql,
mysql, oracle, postgres. Default: dev-file.
--db-driver <driver> The fully qualified class name of the JDBC driver. If not set, a default
driver is set accordingly to the chosen database.
--db-password <password>
The password of the database user.
--db-pool-initial-size <size>

2
quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testStartOptimizedHelp.unix.approved.txt vendored
View file

@ -22,6 +22,8 @@ Options:
Database:
--db-driver <driver> The fully qualified class name of the JDBC driver. If not set, a default
driver is set accordingly to the chosen database.
--db-password <password>
The password of the database user.
--db-pool-initial-size <size>

2
quarkus/tests/integration/src/test/resources/org/keycloak/it/cli/dist/approvals/cli/help/HelpCommandDistTest.testStartOptimizedHelpAll.unix.approved.txt vendored
View file

@ -41,6 +41,8 @@ Storage (Experimental):
Database:
--db-driver <driver> The fully qualified class name of the JDBC driver. If not set, a default
driver is set accordingly to the chosen database.
--db-password <password>
The password of the database user.
--db-pool-initial-size <size>