Examples with ValidationResult org.apache.nifi.components.ValidationResult used on opensource projects

Example 21 with ValidationResult

use of org.apache.nifi.components.ValidationResult in project nifi by apache.

the class AbstractHadoopProcessor method customValidate.

@Override
protected Collection<ValidationResult> customValidate(ValidationContext validationContext) {
    final String configResources = validationContext.getProperty(HADOOP_CONFIGURATION_RESOURCES).evaluateAttributeExpressions().getValue();
    final String explicitPrincipal = validationContext.getProperty(kerberosProperties.getKerberosPrincipal()).evaluateAttributeExpressions().getValue();
    final String explicitKeytab = validationContext.getProperty(kerberosProperties.getKerberosKeytab()).evaluateAttributeExpressions().getValue();
    final KerberosCredentialsService credentialsService = validationContext.getProperty(KERBEROS_CREDENTIALS_SERVICE).asControllerService(KerberosCredentialsService.class);
    final String resolvedPrincipal;
    final String resolvedKeytab;
    if (credentialsService == null) {
        resolvedPrincipal = explicitPrincipal;
        resolvedKeytab = explicitKeytab;
    } else {
        resolvedPrincipal = credentialsService.getPrincipal();
        resolvedKeytab = credentialsService.getKeytab();
    }
    final List<ValidationResult> results = new ArrayList<>();
    if (StringUtils.isBlank(configResources)) {
        return results;
    }
    try {
        ValidationResources resources = validationResourceHolder.get();
        // then load the Configuration and set the new resources in the holder
        if (resources == null || !configResources.equals(resources.getConfigResources())) {
            getLogger().debug("Reloading validation resources");
            final Configuration config = new ExtendedConfiguration(getLogger());
            config.setClassLoader(Thread.currentThread().getContextClassLoader());
            resources = new ValidationResources(configResources, getConfigurationFromResources(config, configResources));
            validationResourceHolder.set(resources);
        }
        final Configuration conf = resources.getConfiguration();
        results.addAll(KerberosProperties.validatePrincipalAndKeytab(this.getClass().getSimpleName(), conf, resolvedPrincipal, resolvedKeytab, getLogger()));
    } catch (final IOException e) {
        results.add(new ValidationResult.Builder().valid(false).subject("Hadoop Configuration Resources").explanation("Could not load Hadoop Configuration resources due to: " + e).build());
    }
    if (credentialsService != null && (explicitPrincipal != null || explicitKeytab != null)) {
        results.add(new ValidationResult.Builder().subject("Kerberos Credentials").valid(false).explanation("Cannot specify both a Kerberos Credentials Service and a principal/keytab").build());
    }
    final String allowExplicitKeytabVariable = System.getenv(ALLOW_EXPLICIT_KEYTAB);
    if ("false".equalsIgnoreCase(allowExplicitKeytabVariable) && (explicitPrincipal != null || explicitKeytab != null)) {
        results.add(new ValidationResult.Builder().subject("Kerberos Credentials").valid(false).explanation("The '" + ALLOW_EXPLICIT_KEYTAB + "' system environment variable is configured to forbid explicitly configuring principal/keytab in processors. " + "The Kerberos Credentials Service should be used instead of setting the Kerberos Keytab or Kerberos Principal property.").build());
    }
    return results;
}

Example 22 with ValidationResult

use of org.apache.nifi.components.ValidationResult in project nifi by apache.

the class TestKerberosProperties method testWithoutKerberosConfigFile.

@Test
public void testWithoutKerberosConfigFile() {
    final File file = new File("src/test/resources/krb5.conf");
    final KerberosProperties kerberosProperties = new KerberosProperties(null);
    Assert.assertNotNull(kerberosProperties);
    Assert.assertNull(kerberosProperties.getKerberosConfigFile());
    Assert.assertNotNull(kerberosProperties.getKerberosConfigValidator());
    Assert.assertNotNull(kerberosProperties.getKerberosPrincipal());
    Assert.assertNotNull(kerberosProperties.getKerberosKeytab());
    final ValidationResult result = kerberosProperties.getKerberosConfigValidator().validate("test", "principal", null);
    Assert.assertFalse(result.isValid());
}

Example 23 with ValidationResult

use of org.apache.nifi.components.ValidationResult in project nifi by apache.

the class TestKerberosProperties method testValidatePrincipalAndKeytab.

@Test
public void testValidatePrincipalAndKeytab() {
    final ComponentLog log = Mockito.mock(ComponentLog.class);
    final Configuration config = new Configuration();
    // no security enabled in config so doesn't matter what principal and keytab are
    List<ValidationResult> results = KerberosProperties.validatePrincipalAndKeytab("test", config, null, null, log);
    Assert.assertEquals(0, results.size());
    results = KerberosProperties.validatePrincipalAndKeytab("test", config, "principal", null, log);
    Assert.assertEquals(0, results.size());
    results = KerberosProperties.validatePrincipalAndKeytab("test", config, "principal", "keytab", log);
    Assert.assertEquals(0, results.size());
    // change the config to have kerberos turned on
    config.set("hadoop.security.authentication", "kerberos");
    config.set("hadoop.security.authorization", "true");
    results = KerberosProperties.validatePrincipalAndKeytab("test", config, null, null, log);
    Assert.assertEquals(2, results.size());
}

Example 24 with ValidationResult

use of org.apache.nifi.components.ValidationResult in project nifi by apache.

the class AbstractMQTTProcessor method customValidate.

@Override
public Collection<ValidationResult> customValidate(final ValidationContext validationContext) {
    final List<ValidationResult> results = new ArrayList<>(1);
    final boolean usernameSet = validationContext.getProperty(PROP_USERNAME).isSet();
    final boolean passwordSet = validationContext.getProperty(PROP_PASSWORD).isSet();
    if ((usernameSet && !passwordSet) || (!usernameSet && passwordSet)) {
        results.add(new ValidationResult.Builder().subject("Username and Password").valid(false).explanation("if username or password is set, both must be set").build());
    }
    final boolean lastWillTopicSet = validationContext.getProperty(PROP_LAST_WILL_TOPIC).isSet();
    final boolean lastWillMessageSet = validationContext.getProperty(PROP_LAST_WILL_MESSAGE).isSet();
    final boolean lastWillRetainSet = validationContext.getProperty(PROP_LAST_WILL_RETAIN).isSet();
    final boolean lastWillQosSet = validationContext.getProperty(PROP_LAST_WILL_QOS).isSet();
    // If any of the Last Will Properties are set
    if (lastWillTopicSet || lastWillMessageSet || lastWillRetainSet || lastWillQosSet) {
        // And any are not set
        if (!(lastWillTopicSet && lastWillMessageSet && lastWillRetainSet && lastWillQosSet)) {
            // Then mark as invalid
            results.add(new ValidationResult.Builder().subject("Last Will Properties").valid(false).explanation("if any of the Last Will Properties (message, topic, retain and QoS) are " + "set, all must be set.").build());
        }
    }
    try {
        URI brokerURI = new URI(validationContext.getProperty(PROP_BROKER_URI).getValue());
        if (brokerURI.getScheme().equalsIgnoreCase("ssl") && !validationContext.getProperty(PROP_SSL_CONTEXT_SERVICE).isSet()) {
            results.add(new ValidationResult.Builder().subject(PROP_SSL_CONTEXT_SERVICE.getName() + " or " + PROP_BROKER_URI.getName()).valid(false).explanation("if the 'ssl' scheme is used in " + "the broker URI, the SSL Context Service must be set.").build());
        }
    } catch (URISyntaxException e) {
        results.add(new ValidationResult.Builder().subject(PROP_BROKER_URI.getName()).valid(false).explanation("it is not valid URI syntax.").build());
    }
    return results;
}

Example 25 with ValidationResult

use of org.apache.nifi.components.ValidationResult in project nifi by apache.

the class PutSyslog method customValidate.

@Override
protected Collection<ValidationResult> customValidate(final ValidationContext context) {
    final Collection<ValidationResult> results = new ArrayList<>();
    final String protocol = context.getProperty(PROTOCOL).getValue();
    final SSLContextService sslContextService = context.getProperty(SSL_CONTEXT_SERVICE).asControllerService(SSLContextService.class);
    if (UDP_VALUE.getValue().equals(protocol) && sslContextService != null) {
        results.add(new ValidationResult.Builder().explanation("SSL can not be used with UDP").valid(false).subject("SSL Context").build());
    }
    return results;
}