2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2016 - 2017 ONAP
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.ccsdk.sli.adaptors.saltstack.impl;
24 import java.io.FileInputStream;
25 import java.io.IOException;
26 import java.io.InputStream;
27 import java.util.Optional;
28 import java.util.Properties;
29 import java.util.Vector;
30 import org.onap.ccsdk.sli.adaptors.saltstack.SaltstackAdapterPropertiesProvider;
31 import org.onap.ccsdk.sli.core.sli.ConfigurationException;
32 import org.onap.ccsdk.sli.core.utils.JREFileResolver;
33 import org.onap.ccsdk.sli.core.utils.KarafRootFileResolver;
34 import org.onap.ccsdk.sli.core.utils.PropertiesFileResolver;
35 import org.onap.ccsdk.sli.core.utils.common.CoreDefaultFileResolver;
36 import org.onap.ccsdk.sli.core.utils.common.SdncConfigEnvVarFileResolver;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
41 * Responsible for determining the properties file to use and instantiating the
42 * <code>SqlResource</code> Service. The priority for properties file
43 * resolution is as follows:
46 * <li>A directory identified by the system environment variable
47 * <code>SDNC_CONFIG_DIR</code></li>
48 * <li>The default directory <code>DEFAULT_DBLIB_PROP_DIR</code></li>
49 * <li>A directory identified by the JRE argument
50 * <code>sql-resource.properties</code></li>
51 * <li>A <code>sql-resource.properties</code> file located in the karaf root
55 public class SaltstackAdapterPropertiesProviderImpl implements SaltstackAdapterPropertiesProvider {
57 private static final Logger LOG = LoggerFactory.getLogger(SaltstackAdapterPropertiesProviderImpl.class);
60 * The name of the properties file for database configuration
62 private static final String SALTSTACKADAPTER_PROP_FILE_NAME = "saltstack-adapter.properties";
65 * A prioritized list of strategies for resolving sql-resource properties files.
67 private Vector<PropertiesFileResolver> saltstackAdapterPropertiesFileResolvers = new Vector<>();
70 * The configuration properties for the db connection.
72 private Properties properties;
75 * Set up the prioritized list of strategies for resolving dblib properties
78 public SaltstackAdapterPropertiesProviderImpl() {
79 saltstackAdapterPropertiesFileResolvers
80 .add(new SdncConfigEnvVarFileResolver("Using property file (1) from environment variable"));
81 saltstackAdapterPropertiesFileResolvers.add(new CoreDefaultFileResolver("Using property file (2) from default directory"));
83 saltstackAdapterPropertiesFileResolvers.add(
84 new JREFileResolver("Using property file (3) from JRE argument", SaltstackAdapterPropertiesProviderImpl.class));
85 saltstackAdapterPropertiesFileResolvers.add(new KarafRootFileResolver("Using property file (4) from karaf root", this));
87 // determines properties file as according to the priority described in the
88 // class header comment
89 final File propertiesFile = determinePropertiesFile(this);
90 if (propertiesFile != null) {
91 try (FileInputStream fileInputStream = new FileInputStream(propertiesFile)) {
92 properties = new Properties();
93 properties.load(fileInputStream);
94 } catch (final IOException e) {
95 LOG.error("Failed to load properties for file: {}", propertiesFile.toString(),
96 new ConfigurationException("Failed to load properties for file: " + propertiesFile.toString(),
100 // Try to read properties as resource
102 InputStream propStr = getClass().getResourceAsStream("/" + SALTSTACKADAPTER_PROP_FILE_NAME);
103 if (propStr != null) {
104 properties = new Properties();
106 properties.load(propStr);
108 } catch (IOException e) {
115 if (properties == null) {
116 reportFailure("Missing configuration properties resource(3)", new ConfigurationException(
117 "Missing configuration properties resource(3): " + SALTSTACKADAPTER_PROP_FILE_NAME));
119 LOG.info("Defaulting org.onap.appc.adapter.saltstack.clientType to NONE");
121 properties = new Properties();
122 properties.setProperty("org.onap.appc.adapter.saltstack.clientType", "NONE");
127 * Extract svclogic config properties.
129 * @return the svclogic config properties
131 public Properties getProperties() {
136 * Reports the method chosen for properties resolution to the
137 * <code>Logger</code>.
140 * Some user friendly message
141 * @param fileOptional
142 * The file location of the chosen properties file
143 * @return the file location of the chosen properties file
145 private static File reportSuccess(final String message, final Optional<File> fileOptional) {
146 if (fileOptional.isPresent()) {
147 final File file = fileOptional.get();
148 LOG.info("{} {}", message, file.getPath());
155 * Reports fatal errors. This is the case in which no properties file could be
159 * An appropriate fatal error message
160 * @param configurationException
161 * An exception describing what went wrong during resolution
163 private static void reportFailure(final String message, final ConfigurationException configurationException) {
165 LOG.error("{}", message, configurationException);
169 * Determines the sql-resource properties file to use based on the following priority:
171 * <li>A directory identified by the system environment variable
172 * <code>SDNC_CONFIG_DIR</code></li>
173 * <li>The default directory <code>DEFAULT_DBLIB_PROP_DIR</code></li>
174 * <li>A directory identified by the JRE argument
175 * <code>sql-resource.properties</code></li>
176 * <li>A <code>sql-resource.properties</code> file located in the karaf root
180 File determinePropertiesFile(final SaltstackAdapterPropertiesProviderImpl resourceProvider) {
182 for (final PropertiesFileResolver sliPropertiesFileResolver : saltstackAdapterPropertiesFileResolvers) {
183 final Optional<File> fileOptional = sliPropertiesFileResolver.resolveFile(SALTSTACKADAPTER_PROP_FILE_NAME);
184 if (fileOptional.isPresent()) {
185 return reportSuccess(sliPropertiesFileResolver.getSuccessfulResolutionMessage(), fileOptional);