Examples with Config io.helidon.config.Config used on opensource projects

Example 76 with Config

use of io.helidon.config.Config in project helidon by oracle.

the class MpConfigSources method create.

/**
 * {@link java.util.Properties} config source based on a file on file system.
 * The file is read just once, when the source is created and further changes to the underlying file are
 * ignored.
 *
 * @param name name of the config source
 * @param path path of the properties file on the file system
 * @return a new config source
 */
public static ConfigSource create(String name, Path path) {
    Properties props = new Properties();
    try (InputStream in = Files.newInputStream(path)) {
        props.load(in);
    } catch (IOException e) {
        throw new ConfigException("Failed to read properties from " + path.toAbsolutePath());
    }
    if ("true".equals(props.getProperty("helidon.config.polling.enabled"))) {
        String durationString = props.getProperty("helidon.config.polling.duration");
        Duration duration;
        if (durationString == null) {
            duration = Duration.ofSeconds(10);
        } else {
            duration = Duration.parse(durationString);
        }
        MutabilitySupport.poll(path, duration, changed -> update(path, props), changed -> props.clear());
    } else if ("true".equals(props.getProperty("helidon.config.watcher.enabled"))) {
        MutabilitySupport.watch(path, changed -> update(path, props), changed -> props.clear());
    }
    return create(name, props);
}

Example 77 with Config

use of io.helidon.config.Config in project helidon by oracle.

the class EtcdConfigSourceBuilderTest method testSourceFromConfigByType.

@Test
public void testSourceFromConfigByType() {
    Config metaConfig = Config.create(ConfigSources.create(ObjectNode.builder().addValue("type", "etcd").addObject("properties", ObjectNode.builder().addValue("uri", "http://localhost:2379").addValue("key", "/registry").addValue("api", "v3").build()).build()));
    ConfigSource source = MetaConfig.configSource(metaConfig).get(0);
    assertThat(source.get(), is(instanceOf(EtcdConfigSource.class)));
    EtcdConfigSource etcdSource = (EtcdConfigSource) source;
    assertThat(etcdSource.etcdEndpoint().uri(), is(URI.create("http://localhost:2379")));
    assertThat(etcdSource.etcdEndpoint().key(), is("/registry"));
    assertThat(etcdSource.etcdEndpoint().api(), is(EtcdApi.v3));
}

Example 78 with Config

use of io.helidon.config.Config in project helidon by oracle.

the class EtcdConfigSourceBuilderTest method testSourceFromConfigByClass.

@Test
public void testSourceFromConfigByClass() {
    Config metaConfig = Config.create(ConfigSources.create(ObjectNode.builder().addValue("type", "etcd").addObject("properties", ObjectNode.builder().addValue("uri", "http://localhost:2379").addValue("key", "/registry").addValue("api", "v3").build()).build()));
    ConfigSource source = MetaConfig.configSource(metaConfig).get(0);
    assertThat(source, is(instanceOf(EtcdConfigSource.class)));
    EtcdConfigSource etcdSource = (EtcdConfigSource) source;
    assertThat(etcdSource.etcdEndpoint().uri(), is(URI.create("http://localhost:2379")));
    assertThat(etcdSource.etcdEndpoint().key(), is("/registry"));
    assertThat(etcdSource.etcdEndpoint().api(), is(EtcdApi.v3));
}

Example 79 with Config

use of io.helidon.config.Config in project helidon by oracle.

the class EtcdConfigSourceIT method testConfigChanges.

@ParameterizedTest
@EnumSource(EtcdApi.class)
public void testConfigChanges(EtcdApi version) throws Exception {
    putConfiguration(version, "/application.conf");
    Config config = Config.builder().sources(EtcdConfigSource.builder().uri(DEFAULT_URI).key("configuration").api(version).mediaType(MEDIA_TYPE_APPLICATION_HOCON).changeWatcher(EtcdWatcher.create()).build()).addParser(HoconConfigParser.create()).build();
    assertThat(config.get("security").asNodeList().get(), hasSize(1));
    CountDownLatch initLatch = new CountDownLatch(1);
    CountDownLatch nextLatch = new CountDownLatch(3);
    config.onChange(it -> initLatch.countDown());
    assertThat(initLatch.await(1, TimeUnit.SECONDS), is(true));
    putConfiguration(version, "/application2.conf");
    TimeUnit.MILLISECONDS.sleep(10);
    putConfiguration(version, "/application3.conf");
    TimeUnit.MILLISECONDS.sleep(10);
    putConfiguration(version, "/application4.conf");
    assertThat(nextLatch.await(20, TimeUnit.SECONDS), is(true));
}

Example 80 with Config

use of io.helidon.config.Config in project helidon by oracle.

the class DbClientHealthCheckTest method testBuilderNamedQueryFromConfig.

/**
 * Test health check builder with named query statement
 */
@Test
void testBuilderNamedQueryFromConfig() {
    final Config config = Config.create(ConfigSources.classpath("testBuilderFromConfig.yaml"));
    final DbClient dbClient = new DbClientMock();
    final Config healthConfig = config.get("health-check-query-named");
    final DbClientHealthCheck.Builder builder = DbClientHealthCheck.builder(dbClient).config(healthConfig);
    // Config file value
    final String configName = healthConfig.get("name").as(String.class).get();
    final String configType = healthConfig.get("type").as(String.class).get();
    // final String configStatement = healthConfig.get("statement").as(String.class).get();
    final String configStatementName = healthConfig.get("statementName").as(String.class).get();
    final Long configTimeout = healthConfig.get("timeout").as(Long.class).get();
    final String configTimeUnit = healthConfig.get("timeUnit").as(String.class).get();
    // Builder instance content
    final String name = builder.name();
    final boolean isDML = builder.isDML();
    final String statement = builder.statement();
    final String statementName = builder.statementName();
    final boolean isNamedstatement = builder.isNamedstatement();
    final long timeoutDuration = builder.timeoutDuration();
    final TimeUnit timeoutUnit = builder.timeoutUnit();
    // Verify builder internal state
    assertThat(name, equalTo(configName));
    assertThat(isDML, equalTo(false));
    assertThat(statement, nullValue());
    assertThat(statementName, equalTo(configStatementName));
    assertThat(isNamedstatement, equalTo(true));
    assertThat(timeoutDuration, equalTo(configTimeout));
    assertThat(timeoutUnit.name().toLowerCase(), equalTo(configTimeUnit.toLowerCase()));
    DbClientHealthCheck check = builder.build();
    // Health check instance content
    final String checkName = check.name();
    final long checkTimeoutDuration = check.timeoutDuration();
    final TimeUnit checkTimeoutUnit = check.timeoutUnit();
    // Verify health check class and internal content
    assertThat(check.getClass().getSimpleName(), equalTo("DbClientHealthCheckAsNamedQuery"));
    assertThat(checkName, equalTo(configName));
    assertThat(((DbClientHealthCheck.DbClientHealthCheckAsNamedQuery) check).statementName(), equalTo(configStatementName));
    assertThat(checkTimeoutDuration, equalTo(configTimeout));
    assertThat(checkTimeoutUnit.name().toLowerCase(), equalTo(configTimeUnit.toLowerCase()));
}