| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.geronimo.microprofile.extensions.config.docker; |
| |
| import static java.util.Collections.emptyMap; |
| import static java.util.stream.Collectors.toMap; |
| |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.Map; |
| |
| import org.eclipse.microprofile.config.spi.ConfigSource; |
| |
| public class DockerSecretConfigSource extends BaseConfigSource implements ConfigSource { |
| |
| public DockerSecretConfigSource() { |
| this(InternalConfig.get(DockerSecretConfigSource.class.getName() + ".base", "/run/secrets"), |
| Integer.parseInt(InternalConfig.get(DockerSecretConfigSource.class.getName() + ".ordinal", "100"))); |
| } |
| |
| public DockerSecretConfigSource(final String base, final int ordinal) { |
| super(() -> reload(base), ordinal); |
| } |
| |
| @Override |
| public String getName() { |
| return "docker-secrets"; |
| } |
| |
| private static Map<String, String> reload(final String base) { |
| final Path from = Paths.get(base); |
| if (!Files.exists(from)) { |
| return emptyMap(); |
| } |
| try { |
| return Files.list(from).collect(toMap(it -> it.getFileName().toString(), it -> { |
| try { |
| return new String(Files.readAllBytes(it), StandardCharsets.UTF_8); |
| } catch (final IOException e) { |
| throw new IllegalStateException(e); |
| } |
| })); |
| } catch (final IOException e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| } |