/*
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* Copyright 1999-2018 Alibaba Group Holding Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.csp.sentinel.dashboard.config;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ConcurrentMap;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.lang.math.NumberUtils;
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import org.springframework.lang.NonNull;
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/**
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* <p>Dashboard local config support.</p>
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* <p>
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* Dashboard supports configuration loading by several ways by order:<br>
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* 1. System.properties<br>
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* 2. Env
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* </p>
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*
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* @author jason
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* @since 1.5.0
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*/
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public class DashboardConfig {
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public static final int DEFAULT_MACHINE_HEALTHY_TIMEOUT_MS = 60_000;
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/**
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* Login username
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*/
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public static final String CONFIG_AUTH_USERNAME = "sentinel.dashboard.auth.username";
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/**
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* Login password
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*/
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public static final String CONFIG_AUTH_PASSWORD = "sentinel.dashboard.auth.password";
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/**
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* Hide application name in sidebar when it has no healthy machines after specific period in millisecond.
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*/
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public static final String CONFIG_HIDE_APP_NO_MACHINE_MILLIS = "sentinel.dashboard.app.hideAppNoMachineMillis";
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/**
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* Remove application when it has no healthy machines after specific period in millisecond.
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*/
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public static final String CONFIG_REMOVE_APP_NO_MACHINE_MILLIS = "sentinel.dashboard.removeAppNoMachineMillis";
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/**
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* Timeout
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*/
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public static final String CONFIG_UNHEALTHY_MACHINE_MILLIS = "sentinel.dashboard.unhealthyMachineMillis";
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/**
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* Auto remove unhealthy machine after specific period in millisecond.
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*/
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public static final String CONFIG_AUTO_REMOVE_MACHINE_MILLIS = "sentinel.dashboard.autoRemoveMachineMillis";
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private static final ConcurrentMap<String, Object> cacheMap = new ConcurrentHashMap<>();
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@NonNull
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private static String getConfig(String name) {
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// env
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String val = System.getenv(name);
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if (StringUtils.isNotEmpty(val)) {
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return val;
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}
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// properties
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val = System.getProperty(name);
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if (StringUtils.isNotEmpty(val)) {
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return val;
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}
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return "";
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}
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protected static String getConfigStr(String name) {
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if (cacheMap.containsKey(name)) {
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return (String) cacheMap.get(name);
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}
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String val = getConfig(name);
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if (StringUtils.isBlank(val)) {
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return null;
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}
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cacheMap.put(name, val);
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return val;
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}
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protected static int getConfigInt(String name, int defaultVal, int minVal) {
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if (cacheMap.containsKey(name)) {
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return (int)cacheMap.get(name);
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}
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int val = NumberUtils.toInt(getConfig(name));
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if (val == 0) {
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val = defaultVal;
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} else if (val < minVal) {
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val = minVal;
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}
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cacheMap.put(name, val);
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return val;
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}
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public static String getAuthUsername() {
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return getConfigStr(CONFIG_AUTH_USERNAME);
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}
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public static String getAuthPassword() {
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return getConfigStr(CONFIG_AUTH_PASSWORD);
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}
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public static int getHideAppNoMachineMillis() {
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return getConfigInt(CONFIG_HIDE_APP_NO_MACHINE_MILLIS, 0, 60000);
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}
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public static int getRemoveAppNoMachineMillis() {
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return getConfigInt(CONFIG_REMOVE_APP_NO_MACHINE_MILLIS, 0, 120000);
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}
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public static int getAutoRemoveMachineMillis() {
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return getConfigInt(CONFIG_AUTO_REMOVE_MACHINE_MILLIS, 0, 300000);
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}
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public static int getUnhealthyMachineMillis() {
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return getConfigInt(CONFIG_UNHEALTHY_MACHINE_MILLIS, DEFAULT_MACHINE_HEALTHY_TIMEOUT_MS, 30000);
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}
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public static void clearCache() {
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cacheMap.clear();
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}
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}
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