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Merge pull request #336 from catpineapple/kerberos-support
[feature](dcr) add kerberos support
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| Original file line number | Diff line number | Diff line change |
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| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
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| package kerberos | ||
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| import "strings" | ||
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| const ( | ||
| KRB5_DEFAULT_CONFIG = "/etc/krb5.conf" | ||
| ) | ||
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| // GetKrb5ConfFromJavaOpts extracts the path to the Kerberos configuration file from the Java configuration options | ||
| // This function searches for configuration values in java.security.krb5.conf in the following order of priority: | ||
| // 1. First search for the configuration in JAVA_OPTS_FOR_JDK_17 (JDK17 specific configuration) | ||
| // 2. If not found, search for the general JAVA_OPTS configuration | ||
| // 3. If none is found, return the default value "/etc/krb5.conf" | ||
| // This behavior is documented: https://doris.apache.org/docs/3.0/lakehouse/datalake-analytics/hive?_highlight=kerberos_krb5_conf_path#connect-to-kerberos-enabled-hive | ||
| func GetKrb5ConfFromJavaOpts(javaOpts map[string]interface{}) string { | ||
| krb5Property := "-Djava.security.krb5.conf=" | ||
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| // All keys in the parsed config map are lowercase, so 'java_opts_for_jdk_17' is used here instead of 'JAVA_OPTS_FOR_JDK_17'. | ||
| if jdk17Opts, exists := javaOpts["java_opts_for_jdk_17"]; exists { | ||
| // The jvm configuration value in the configuration file(fe.conf/be.conf) has " symbol, so it needs to be cleared | ||
| jdk17OptsString := strings.ReplaceAll(jdk17Opts.(string), "\"", "") | ||
| for _, opt := range strings.Split(jdk17OptsString, " ") { | ||
| if strings.Contains(opt, krb5Property) { | ||
| split := strings.Split(opt, "=") | ||
| return split[len(split)-1] | ||
| } | ||
| } | ||
| } | ||
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| // All keys in the parsed config map are lowercase, so 'java_opts' is used here instead of 'JAVA_OPTS'. | ||
| if commonOpts, exists := javaOpts["java_opts"]; exists { | ||
| // The jvm configuration value in the configuration file(fe.conf/be.conf) has " symbol, so it needs to be cleared | ||
| commonOptsString := strings.ReplaceAll(commonOpts.(string), "\"", "") | ||
| for _, opt := range strings.Split(commonOptsString, " ") { | ||
| if strings.Contains(opt, krb5Property) { | ||
| split := strings.Split(opt, "=") | ||
| return split[len(split)-1] | ||
| } | ||
| } | ||
| } | ||
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| return KRB5_DEFAULT_CONFIG | ||
| } |
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