112 lines
3.6 KiB
Java
112 lines
3.6 KiB
Java
package com.scylladb.jmx.api;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.InputStream;
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import java.util.Map;
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import org.yaml.snakeyaml.Yaml;
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/*
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* Copyright (C) 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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public class APIConfig {
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private String address = "localhost";
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private String port = "10000";
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public String getAddress() {
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return address;
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}
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public String getPort() {
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return port;
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}
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public String getBaseUrl() {
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return "http://" + address + ":" + port;
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}
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private void readFile(String name) {
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System.out.println("Using config file: " + name);
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InputStream input;
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try {
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input = new FileInputStream(new File(name));
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Yaml yaml = new Yaml();
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@SuppressWarnings("unchecked")
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Map<String, Object> map = (Map<String, Object>) yaml.load(input);
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if (map.containsKey("listen_address")) {
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address = (String) map.get("listen_address");
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}
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if (map.containsKey("api_address")) {
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address = (String) map.get("api_address");
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}
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if (map.containsKey("api_port")) {
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port = map.get("api_port").toString();
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}
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} catch (FileNotFoundException e) {
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System.err.println("fail reading from config file: " + name);
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System.exit(-1);
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}
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}
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public static boolean fileExists(String name) {
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File varTmpDir = new File(name);
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return varTmpDir.exists();
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}
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private boolean loadIfExists(String path, String name) {
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if (path == null) {
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return false;
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}
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if (!fileExists(path + name)) {
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return false;
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}
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readFile(path + name);
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return true;
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}
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/**
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* setConfig load the JMX proxy configuration The configuration hierarchy is
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* as follow: Command line argument takes precedence over everything Then
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* configuration file in the command line (command line argument can replace
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* specific values in it. Then SCYLLA_CONF/scylla.yaml Then
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* SCYLLA_HOME/conf/scylla.yaml Then conf/scylla.yaml Then the default
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* values With file configuration, to make it clearer what is been used,
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* only one file will be chosen with the highest precedence
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*/
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public APIConfig() {
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if (!System.getProperty("apiconfig", "").equals("")) {
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readFile(System.getProperty("apiconfig"));
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} else if (!loadIfExists(System.getenv("SCYLLA_CONF"), "/scylla.yaml")
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&& !loadIfExists(System.getenv("SCYLLA_HOME"), "/conf/scylla.yaml")) {
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loadIfExists("", "conf/scylla.yaml");
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}
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if (!System.getProperty("apiaddress", "").equals("")) {
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address = System.getProperty("apiaddress");
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}
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if (!System.getProperty("apiport", "").equals("")) {
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port = System.getProperty("apiport", "10000");
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}
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}
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}
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