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Added getSettings() support, ActionListener onFailure(), and initial …
…createComponents support for extensions (#5597) * Added getSettings() support, ActionListener onFailure(), and initial createComponents support for extensions Signed-off-by: Ryan Bogan <rbogan@amazon.com> * Update CHANGELOG Signed-off-by: Ryan Bogan <rbogan@amazon.com> * Rework EnvironmentSettings API Signed-off-by: Ryan Bogan <rbogan@amazon.com> * Addressed PR Comments Signed-off-by: Ryan Bogan <rbogan@amazon.com> * Removed ExtensionActionListener and changed exception types Signed-off-by: Ryan Bogan <rbogan@amazon.com> * Update failure handling for UpdateSettingsResponseHandler Signed-off-by: Ryan Bogan <rbogan@amazon.com> * Replace ExtensionStringResponse with AcknowledgedResponse Signed-off-by: Ryan Bogan <rbogan@amazon.com> Signed-off-by: Ryan Bogan <rbogan@amazon.com>
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server/src/main/java/org/opensearch/common/settings/WriteableSetting.java
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/* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
* | ||
* The OpenSearch Contributors require contributions made to | ||
* this file be licensed under the Apache-2.0 license or a | ||
* compatible open source license. | ||
*/ | ||
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package org.opensearch.common.settings; | ||
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import org.opensearch.Version; | ||
import org.opensearch.common.io.stream.StreamInput; | ||
import org.opensearch.common.io.stream.StreamOutput; | ||
import org.opensearch.common.io.stream.Writeable; | ||
import org.opensearch.common.settings.Setting.Property; | ||
import org.opensearch.common.unit.ByteSizeValue; | ||
import org.opensearch.common.unit.TimeValue; | ||
import java.io.IOException; | ||
import java.util.Arrays; | ||
import java.util.EnumSet; | ||
import java.util.concurrent.TimeUnit; | ||
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/** | ||
* Wrapper for {@link Setting} with {@link #writeTo(StreamOutput)} implementation dependent on the setting type. | ||
* | ||
* @opensearch.internal | ||
*/ | ||
public class WriteableSetting implements Writeable { | ||
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/** | ||
* The Generic Types which this class can serialize. | ||
*/ | ||
public enum SettingType { | ||
Boolean, | ||
Integer, | ||
Long, | ||
Float, | ||
Double, | ||
String, | ||
TimeValue, // long + TimeUnit | ||
ByteSizeValue, // long + ByteSizeUnit | ||
Version | ||
} | ||
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private Setting<?> setting; | ||
private SettingType type; | ||
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/** | ||
* Wrap a {@link Setting}. The generic type is determined from the type of the default value. | ||
* | ||
* @param setting The setting to wrap. The default value must not be null. | ||
* @throws IllegalArgumentException if the setting has a null default value. | ||
*/ | ||
public WriteableSetting(Setting<?> setting) { | ||
this(setting, getGenericTypeFromDefault(setting)); | ||
} | ||
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/** | ||
* Wrap a {@link Setting} with a specified generic type. | ||
* | ||
* @param setting The setting to wrap. | ||
* @param type The Generic type of the setting. | ||
*/ | ||
public WriteableSetting(Setting<?> setting, SettingType type) { | ||
this.setting = setting; | ||
this.type = type; | ||
} | ||
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/** | ||
* Wrap a {@link Setting} read from a stream. | ||
* | ||
* @param in Input to read the value from. | ||
* @throws IOException if there is an error reading the values | ||
*/ | ||
public WriteableSetting(StreamInput in) throws IOException { | ||
// Read the type | ||
this.type = in.readEnum(SettingType.class); | ||
// Read the key | ||
String key = in.readString(); | ||
// Read the default value | ||
Object defaultValue = readDefaultValue(in); | ||
// Read a boolean specifying whether the fallback settings is null | ||
WriteableSetting fallback = null; | ||
boolean hasFallback = in.readBoolean(); | ||
if (hasFallback) { | ||
fallback = new WriteableSetting(in); | ||
} | ||
// We are using known types so don't need the parser | ||
// We are not using validator | ||
// Read properties | ||
EnumSet<Property> propSet = in.readEnumSet(Property.class); | ||
// Put it all in a setting object | ||
this.setting = createSetting(type, key, defaultValue, fallback, propSet.toArray(Property[]::new)); | ||
} | ||
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/** | ||
* Due to type erasure, it is impossible to determine the generic type of a Setting at runtime. | ||
* All settings have a non-null default, however, so the type of the default can be used to determine the setting type. | ||
* | ||
* @param setting The setting with a generic type. | ||
* @return The corresponding {@link SettingType} for the default value. | ||
*/ | ||
private static SettingType getGenericTypeFromDefault(Setting<?> setting) { | ||
String typeStr = setting.getDefault(Settings.EMPTY).getClass().getSimpleName(); | ||
try { | ||
// This throws IAE if not in enum | ||
return SettingType.valueOf(typeStr); | ||
} catch (IllegalArgumentException e) { | ||
throw new IllegalArgumentException( | ||
"This class is not yet set up to handle the generic type: " | ||
+ typeStr | ||
+ ". Supported types are " | ||
+ Arrays.toString(SettingType.values()) | ||
); | ||
} | ||
} | ||
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/** | ||
* Gets the wrapped setting. Use {@link #getType()} to determine its generic type. | ||
* | ||
* @return The wrapped setting. | ||
*/ | ||
public Setting<?> getSetting() { | ||
return this.setting; | ||
} | ||
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/** | ||
* Gets the generic type of the wrapped setting. | ||
* | ||
* @return The wrapped setting's generic type. | ||
*/ | ||
public SettingType getType() { | ||
return this.type; | ||
} | ||
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@SuppressWarnings("unchecked") | ||
private Setting<?> createSetting( | ||
SettingType type, | ||
String key, | ||
Object defaultValue, | ||
WriteableSetting fallback, | ||
Property[] propertyArray | ||
) { | ||
switch (type) { | ||
case Boolean: | ||
return fallback == null | ||
? Setting.boolSetting(key, (boolean) defaultValue, propertyArray) | ||
: Setting.boolSetting(key, (Setting<Boolean>) fallback.getSetting(), propertyArray); | ||
case Integer: | ||
return fallback == null | ||
? Setting.intSetting(key, (int) defaultValue, propertyArray) | ||
: Setting.intSetting(key, (Setting<Integer>) fallback.getSetting(), propertyArray); | ||
case Long: | ||
return fallback == null | ||
? Setting.longSetting(key, (long) defaultValue, propertyArray) | ||
: Setting.longSetting(key, (Setting<Long>) fallback.getSetting(), propertyArray); | ||
case Float: | ||
return fallback == null | ||
? Setting.floatSetting(key, (float) defaultValue, propertyArray) | ||
: Setting.floatSetting(key, (Setting<Float>) fallback.getSetting(), propertyArray); | ||
case Double: | ||
return fallback == null | ||
? Setting.doubleSetting(key, (double) defaultValue, propertyArray) | ||
: Setting.doubleSetting(key, (Setting<Double>) fallback.getSetting(), propertyArray); | ||
case String: | ||
return fallback == null | ||
? Setting.simpleString(key, (String) defaultValue, propertyArray) | ||
: Setting.simpleString(key, (Setting<String>) fallback.getSetting(), propertyArray); | ||
case TimeValue: | ||
return fallback == null | ||
? Setting.timeSetting(key, (TimeValue) defaultValue, propertyArray) | ||
: Setting.timeSetting(key, (Setting<TimeValue>) fallback.getSetting(), propertyArray); | ||
case ByteSizeValue: | ||
return fallback == null | ||
? Setting.byteSizeSetting(key, (ByteSizeValue) defaultValue, propertyArray) | ||
: Setting.byteSizeSetting(key, (Setting<ByteSizeValue>) fallback.getSetting(), propertyArray); | ||
case Version: | ||
// No fallback option on this method | ||
return Setting.versionSetting(key, (Version) defaultValue, propertyArray); | ||
default: | ||
// This Should Never Happen (TM) | ||
throw new IllegalArgumentException("A SettingType has been added to the enum and not handled here."); | ||
} | ||
} | ||
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@Override | ||
public void writeTo(StreamOutput out) throws IOException { | ||
// Write the type | ||
out.writeEnum(type); | ||
// Write the key | ||
out.writeString(setting.getKey()); | ||
// Write the default value | ||
writeDefaultValue(out, setting.getDefault(Settings.EMPTY)); | ||
// Write a boolean specifying whether the fallback settings is null | ||
boolean hasFallback = setting.fallbackSetting != null; | ||
out.writeBoolean(hasFallback); | ||
if (hasFallback) { | ||
new WriteableSetting(setting.fallbackSetting, type).writeTo(out); | ||
} | ||
// We are using known types so don't need the parser | ||
// We are not using validator | ||
// Write properties | ||
out.writeEnumSet(setting.getProperties()); | ||
} | ||
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private void writeDefaultValue(StreamOutput out, Object defaultValue) throws IOException { | ||
switch (type) { | ||
case Boolean: | ||
out.writeBoolean((boolean) defaultValue); | ||
break; | ||
case Integer: | ||
out.writeInt((int) defaultValue); | ||
break; | ||
case Long: | ||
out.writeLong((long) defaultValue); | ||
break; | ||
case Float: | ||
out.writeFloat((float) defaultValue); | ||
break; | ||
case Double: | ||
out.writeDouble((double) defaultValue); | ||
break; | ||
case String: | ||
out.writeString((String) defaultValue); | ||
break; | ||
case TimeValue: | ||
TimeValue tv = (TimeValue) defaultValue; | ||
out.writeLong(tv.duration()); | ||
out.writeString(tv.timeUnit().name()); | ||
break; | ||
case ByteSizeValue: | ||
((ByteSizeValue) defaultValue).writeTo(out); | ||
break; | ||
case Version: | ||
Version.writeVersion((Version) defaultValue, out); | ||
break; | ||
default: | ||
// This Should Never Happen (TM) | ||
throw new IllegalArgumentException("A SettingType has been added to the enum and not handled here."); | ||
} | ||
} | ||
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private Object readDefaultValue(StreamInput in) throws IOException { | ||
switch (type) { | ||
case Boolean: | ||
return in.readBoolean(); | ||
case Integer: | ||
return in.readInt(); | ||
case Long: | ||
return in.readLong(); | ||
case Float: | ||
return in.readFloat(); | ||
case Double: | ||
return in.readDouble(); | ||
case String: | ||
return in.readString(); | ||
case TimeValue: | ||
long duration = in.readLong(); | ||
TimeUnit unit = TimeUnit.valueOf(in.readString()); | ||
return new TimeValue(duration, unit); | ||
case ByteSizeValue: | ||
return new ByteSizeValue(in); | ||
case Version: | ||
return Version.readVersion(in); | ||
default: | ||
// This Should Never Happen (TM) | ||
throw new IllegalArgumentException("A SettingType has been added to the enum and not handled here."); | ||
} | ||
} | ||
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@Override | ||
public String toString() { | ||
return "WriteableSettings{type=Setting<" + type + ">, setting=" + setting + "}"; | ||
} | ||
} |
61 changes: 61 additions & 0 deletions
61
server/src/main/java/org/opensearch/env/EnvironmentSettingsResponse.java
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@@ -0,0 +1,61 @@ | ||
/* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
* | ||
* The OpenSearch Contributors require contributions made to | ||
* this file be licensed under the Apache-2.0 license or a | ||
* compatible open source license. | ||
*/ | ||
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package org.opensearch.env; | ||
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import org.opensearch.common.io.stream.StreamInput; | ||
import org.opensearch.common.io.stream.StreamOutput; | ||
import org.opensearch.common.settings.Settings; | ||
import org.opensearch.transport.TransportResponse; | ||
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import java.io.IOException; | ||
import java.util.Objects; | ||
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/** | ||
* Environment Settings Response for Extensibility | ||
* | ||
* @opensearch.internal | ||
*/ | ||
public class EnvironmentSettingsResponse extends TransportResponse { | ||
private final Settings environmentSettings; | ||
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public EnvironmentSettingsResponse(Settings environmentSettings) { | ||
this.environmentSettings = environmentSettings; | ||
} | ||
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public EnvironmentSettingsResponse(StreamInput in) throws IOException { | ||
this.environmentSettings = Settings.readSettingsFromStream(in); | ||
} | ||
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@Override | ||
public void writeTo(StreamOutput out) throws IOException { | ||
Settings.writeSettingsToStream(this.environmentSettings, out); | ||
} | ||
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public Settings getEnvironmentSettings() { | ||
return environmentSettings; | ||
} | ||
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@Override | ||
public String toString() { | ||
return "EnvironmentSettingsResponse{environmentSettings=" + environmentSettings.toString() + '}'; | ||
} | ||
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@Override | ||
public boolean equals(Object o) { | ||
if (this == o) return true; | ||
if (o == null || getClass() != o.getClass()) return false; | ||
EnvironmentSettingsResponse that = (EnvironmentSettingsResponse) o; | ||
return Objects.equals(environmentSettings, that.environmentSettings); | ||
} | ||
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@Override | ||
public int hashCode() { | ||
return Objects.hash(environmentSettings); | ||
} | ||
} |
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