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package com.nis.util;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.util.RuntimeUtil;
import cn.hutool.log.Log;
import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import org.apache.commons.io.IOUtils;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.Yaml;
import java.io.*;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
public class YamlUtil {
private static Log logger = Log.get();
/**
* snmp配置相关
* @param param
* @param ymlPath
* @return
*/
@SuppressWarnings("unchecked")
public static boolean snmpYmlHandle(Set<String> param,String ymlPath) {
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
Yaml y = new Yaml(options);
boolean flag=false;
if(param!=null && !param.isEmpty() && ymlPath != null && ymlPath.length() != 0) {
OutputStream out = null;
OutputStreamWriter osw = null;
try {
File file = FileUtil.file(ymlPath);
out=FileUtil.getOutputStream(file);
osw=new OutputStreamWriter(out, "UTF-8");
for(String s : param) {
Object load = JSON.parse(s);
y.dump(load,osw);
}
flag = true;
} catch (UnsupportedEncodingException e) {
logger.error("snmpYmlHandle error : "+e.getMessage(),e);
} finally {
if(out!=null) {
IOUtils.closeQuietly(out);
}
if(osw!=null) {
IOUtils.closeQuietly(osw);
}
}
}
return flag;
}
/**
* datacenter相关配置
* @param param
* @param ymlPath
* @return
*/
@SuppressWarnings("unchecked")
public static boolean subYmlHandle(Map<String,Object> param,String ymlPath,String ruleYmlPath) {
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
Yaml y = new Yaml(options);
boolean flag=false;
if(param!=null && ymlPath != null && ymlPath.length() != 0) {
FileInputStream fileInputStream =null;
OutputStream out = null;
OutputStreamWriter osw = null;
try {
File file = FileUtil.file(ymlPath);
/**fileInputStream = new FileInputStream(file);
Map<String,Object> map = y.loadAs(fileInputStream, Map.class);
if(map==null) {
map=new HashMap();
}
map.remove("rule_files");
map.put("scrape_configs", param);**/
//修改 rule.yml配置文件
File ruleYmlfile = FileUtil.file(ruleYmlPath);
if(ruleYmlfile.exists()){
// 文件存在则删除文件信息
ruleYmlfile.delete();
}
out=FileUtil.getOutputStream(file);
osw=new OutputStreamWriter(out, "UTF-8");
y.dump(param,osw);
flag = true;
} catch (UnsupportedEncodingException e) {
logger.error("subYmlHandle error : "+e.getMessage(),e);
} finally {
if(fileInputStream!=null) {
IOUtils.closeQuietly(fileInputStream);
}
if(out!=null) {
IOUtils.closeQuietly(out);
}
if(osw!=null) {
IOUtils.closeQuietly(osw);
}
}
}
return flag;
}
/**
* global相关配置设置
* @param param
* @param ymlPath
* @param ruleYmlPath
* @return
*/
@SuppressWarnings("unchecked")
public static boolean centerYmlHandle(Map<String,Object> param,String ymlPath,String ruleYmlPath){
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
Yaml y = new Yaml(options);
boolean flag=false;
if(param!=null && !param.isEmpty() && ymlPath != null && ymlPath.length() != 0) {
// FileInputStream fileInputStream =null;
BufferedInputStream inputStream = null;
OutputStream out = null;
OutputStreamWriter osw = null;
// FileInputStream fileInputStream2 =null;
BufferedInputStream inputStream2 = null;
OutputStream out2 = null;
OutputStreamWriter osw2 = null;
try {
//修改 rule.yml配置文件
File ruleYmlfile = FileUtil.file(ruleYmlPath);
if(!ruleYmlfile.exists()){
// 文件不存在 创建文件
ruleYmlfile.createNewFile();
}
inputStream2 = FileUtil.getInputStream(ruleYmlfile);
Map<String,Object> map2 = y.loadAs(inputStream2, Map.class);
if(map2==null) {
map2=new HashMap();
}
map2.put("groups", param.get("groups"));
out2 = FileUtil.getOutputStream(ruleYmlfile);
osw2 = new OutputStreamWriter(out2, "UTF-8");
y.dump(map2,osw2);
//去除告警规则相关内容
param.remove("groups");
// 修改prometheus.yml配置文件
File ymlfile = FileUtil.file(ymlPath);
/**fileInputStream = new FileInputStream(ymlfile);
Map<String,Object> map = y.loadAs(fileInputStream, Map.class);
if(map==null) {
map=new HashMap();
}
map.put("scrape_configs", param.get("scrape_configs"));
map.put("alerting", param.get("alerting"));
map.put("rule_files", param.get("rule_files"));**/
out = FileUtil.getOutputStream(ymlfile);
osw = new OutputStreamWriter(out, "UTF-8");
y.dump(param,osw);
flag = true;
} catch (UnsupportedEncodingException e) {
logger.error("centerYmlHandle error : "+e.getMessage(),e);
} catch (FileNotFoundException e) {
logger.error("centerYmlHandle error : "+e.getMessage(),e);
} catch (IOException e) {
logger.error("centerYmlHandle error : "+e.getMessage(),e);
} finally {
if(inputStream!=null) {
IOUtils.closeQuietly(inputStream);
}
if(out!=null) {
IOUtils.closeQuietly(out);
}
if(osw!=null) {
IOUtils.closeQuietly(osw);
}
if(inputStream2!=null) {
IOUtils.closeQuietly(inputStream2);
}
if(out2!=null) {
IOUtils.closeQuietly(out2);
}
if(osw2!=null) {
IOUtils.closeQuietly(osw2);
}
}
}
return flag;
}
/**
* thanos rule 角色所需 rule.yml 配置文件处理
*
* @param param
* @param ruleYmlPath
* @return
*/
public static boolean thanosRuleYmlHandle(Map<String, Object> param, String ruleYmlPath) {
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
Yaml y = new Yaml(options);
boolean flag = false;
if (param != null && !param.isEmpty()) {
FileInputStream fileInputStream = null;
OutputStream out = null;
try {
// 修改 rule.yml配置文件
File ruleYmlfile = FileUtil.file(ruleYmlPath);
if (!ruleYmlfile.exists()) {
// 文件不存在 创建文件
ruleYmlfile.createNewFile();
}
FileInputStream fileInputStream2 = new FileInputStream(ruleYmlfile);
Map<String, Object> map2 = y.loadAs(fileInputStream2, Map.class);
if (map2 == null) {
map2 = new HashMap();
}
map2.put("groups", param.get("groups"));
OutputStream out2 = FileUtil.getOutputStream(ruleYmlfile);
OutputStreamWriter osw2 = new OutputStreamWriter(out2, "UTF-8");
y.dump(map2, osw2);
flag = true;
} catch (UnsupportedEncodingException e) {
logger.error("thanosRuleYmlHandle error : "+e.getMessage(),e);
} catch (FileNotFoundException e) {
logger.error("thanosRuleYmlHandle error : "+e.getMessage(),e);
} catch (IOException e) {
logger.error("thanosRuleYmlHandle error : "+e.getMessage(),e);
} finally {
if (fileInputStream != null) {
IOUtils.closeQuietly(fileInputStream);
}
if (out != null) {
IOUtils.closeQuietly(out);
}
}
}
return flag;
}
/**
* prometheus启动项修改
* @param filePath
* @param param
* @return
*/
public static boolean prometheusStartHandle(String filePath,String param) {
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
boolean flag=false;
RandomAccessFile raf = null;
try {
raf = new RandomAccessFile(FileUtil.file(filePath), "rw");
String readLine = null;
long lastPoint = 0; //记住上一次的偏移量
while((readLine=raf.readLine())!=null) {
final long ponit = raf.getFilePointer();
if(readLine.startsWith("ExecStart")) {
String replace = readLine.replaceAll("--storage.tsdb.retention.time=\\d+d", "--storage.tsdb.retention.time="+param+"d");
raf.seek(lastPoint);
raf.writeBytes(replace);
}
lastPoint = ponit;
}
raf.close();
/*RuntimeUtil.run(null, null, new String[]{"/bin/sh", "-c","systemctl daemon-reload"});
RuntimeUtil.run(null, null, new String[]{"/bin/sh", "-c","systemctl stop prometheus"});
RuntimeUtil.run(null, null, new String[]{"/bin/sh", "-c","systemctl start prometheus"});*/
RuntimeUtil.exec("systemctl daemon-reload");
RuntimeUtil.exec("systemctl stop prometheus");
RuntimeUtil.exec("systemctl start prometheus");
flag=true;
} catch (FileNotFoundException e) {
logger.error("prometheusStartHandle error : FileNotFoundException "+e.getMessage(),e);
} catch (IOException e) {
logger.error("prometheusStartHandle error : IOException "+e.getMessage(),e);
} finally {
if(raf!=null) {
IOUtils.closeQuietly(raf);
}
}
return flag;
}
/**
* prometheus全局配置修改
* @param param
* @return
*/
@SuppressWarnings("unchecked")
public static boolean prometheusSettingHandle(Map<String, Object> param, String ymlPath) {
DumperOptions options = new DumperOptions();
options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
Yaml y = new Yaml(options);
boolean flag=false;
if(param!=null && !param.isEmpty() &&ymlPath != null && ymlPath.length() != 0) { //
FileInputStream fileInputStream =null;
OutputStream out = null;
OutputStreamWriter osw = null;
try {
// 修改prometheus.yml配置文件
File ymlfile = FileUtil.file(ymlPath);
fileInputStream = new FileInputStream(ymlfile);
Map<String,Object> map = y.loadAs(fileInputStream, Map.class);
if(map==null) {
return false;
}
Map object = (Map) map.get("global");
if(ObjectUtils.isEmpty(object)) {
object = new LinkedHashMap();
map.put("global", object);
}
String scrapeInterval = param.get(Constant.SCRAPE_INTERVAL) + "s";
String scrapeTimeout =param.get(Constant.SCRAPE_TIMEOUT) + "s";
object.put(Constant.SCRAPE_INTERVAL, scrapeInterval);
object.put(Constant.EVALUATION_INTERVAL, scrapeInterval);
object.put(Constant.SCRAPE_TIMEOUT,scrapeTimeout);
out = new FileOutputStream(ymlfile);
osw = new OutputStreamWriter(out, "UTF-8");
y.dump(map,osw);
flag = true;
} catch (FileNotFoundException e) {
logger.error("prometheusSettingHandle error : "+e.getMessage(),e);
} catch (UnsupportedEncodingException e) {
logger.error("prometheusSettingHandle error : "+e.getMessage(),e);
} finally {
if(fileInputStream!=null) {
IOUtils.closeQuietly(fileInputStream);
}
if(out!=null) {
IOUtils.closeQuietly(out);
}
if(osw!=null) {
IOUtils.closeQuietly(osw);
}
}
}
return flag;
}
}
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