水果沙拉怎么做,免费全本小说,扇贝的做法-一点咨询,特殊的新闻视角,特殊的标题

频道:体育世界 日期: 浏览:201

spring-boot-admin(以下简称SBA)与Spring Boot、Spring cloud项目以starter的办法主动集成,包含Server端和Client端。

SBA监控包含运用的基本信息、logfile(日志在线实时阅读或许download)、JVM信息(实时线程信息、堆信息、非堆信息)、Web(API接口信息、最近100次API调用的信息)、运用中用户登录信息;监控很全面、彻底,但部分监控目标与自己的项目需求仍是有点不同的,比方以下两点:

自定义HttpTrace增参加参和出参

成果:


在spring-boot-admin中HttpTrace显现的信息包含sessionprincipa孙政财lrequestresponsetimeTakentimestamp,但sessionprincipal对我无用,request是HttpTrace的内部类显现的信息包含:

private final String method;
private final URI uri;
private final Map> headers;
private final String remoteAddress;

response也是HttpTrace的内部类显现的信息包含:

private final int status;
private final Map> headers;

仅有短少的便是恳求的恳求入参呼应出参,而Headers的信息对该项目彻底无用。所以势必要扩展HttpTrace才行,大致的思路是:自定义Filter-->装修办法转换成自定义的request和response目标,内部获取恳求和相应内容-->Http刘晓波逝世ExchangeTracer创立HttpTrace目标-->InmemoryHttpTraceRepository保存100次恳求的HttpTrace目标,供server端运用。由于Filter中运用的部分目标需求先创立所以咱们先从需求的零部件开端:

  • 第一步:包装HttpServletRequest获取恳求内容:
public class RequestWrapper extends HttpServletRequestWrapper {
//寄存恳求的音讯体(先缓存一份)
private byte[] body;
//自定义输入流的包装类,将缓存数据再写入到流中
private ServletInputStreamWrapper wrapper;
private final Logger logger = LoggerFactory.getLogger(RequestWrapper.class);
public RequestWrapper(HttpServletRequest request) {
super(request);
try {
//运用Apache的commons-io东西从request中先读取数据
body = IOUtils.toByteArray(request.getInputStream());
} catch (IOException e) {
logger.error("从恳求中获取恳求参数出现异常:", e);
}
//将读取出来的内存再写入流中
wrapper = new ServletInputStreamWrapper(new ByteArrayInputStream(body));
}
//转换成String 供外部调用,并替换转义字符
public String body() {
return new String(body).replaceAll("[\n\t\r]","");
}
//将咱们的自定义的流包装类回来,供体系调用 读取数据
@Override
pu生果沙拉怎么做,免费全本小说,扇贝的做法-一点咨询,特别的新闻视角,特别的标题blic ServletInputStream getInputStream() throw范荩s IOException {
return this.wrapper;
}
//将咱们的自定义的流包装类回来,供体系调用 读取数据
@Override
public BufferedReader getReader() throws IOException {
return new BufferedReader(new InputStreamReader(this.wrapper));
}
//从给定的输入流中读取数据
static final class ServletInputStreamWrapper extends ServletInputStream {
private InputStream inputStream;
public ServletInputStreamWrapper(InputStream inputStream) {
this.inputStream = inputStream;
}
@Override
public boolean isFinished() {
return true;
}
@Override
public boolean isReady() {
return false;
}
@Override
publi生果沙拉怎么做,免费全本小说,扇贝的做法-一点咨询,特别的新闻视角,特别的标题c void setReadListener(ReadListener listener) {
}
@Override
public int read() throws IOException {
return this.inputStream.read();
}
public InputStream getInputStream() {
return inputStream;
}
public void setInputStream(InputStream inputStream) {
this.inputStream = inputStream;
}
}
}
  • 第二步:包装HttpServletResponse类获取呼应内容:
publi虎狼同穴c class ResponseWrapper extends HttpServletResponseWrapper {
private HttpServletResponse response;
//缓存呼应内容的输出流
private ByteArrayOutputStream result = new ByteArrayOutputStream();
public ResponseWrapper(HttpServletResponse response) {
super(response);
this.response = response;
}
/**
* 呼应的内容 供外部调用
*针对 体积较大的呼应内容 很简单发生 OOM(比方:/actuato生果沙拉怎么做,免费全本小说,扇贝的做法-一点咨询,特别的新闻视角,特别的标题r/logfile 接口),可在调 用 *该办法的当地就行api过滤
*解决办法在第四步
*/
public String body(){
return result.toString();
}
@Override
public ServletOutputStream getOutputStream() throws IOException {
return new ServletOutputStreamWrapper(this.response,this.result);
}
@Override
public PrintWriter getWriter() throws IOException {
return new PrintWriter(new OutputStreamWriter(this.result,this.response.getCharacterEncoding()));
}
//自定义输出流 用于读出数据
static final class ServletOutputStreamWrapper extends ServletOutputStream{
private HttpServletResponse response;
private ByteArrayOutput努房有术Stream byteArrayOutputStream;
public ServletOutputStreamWrapper(HttpServletResponse response, ByteArrayOutputStream byteArrayOutputStream) {
this.response = response;
this.byteArrayOutputStream = byteArrayOutputStream;
}
@Override
public boolean isReady() {
return true;
}
@Override
public void setWriteListener(WriteL悟组词istener listener) {
}
@Override
public void write(int b) throws IOException {
this.byteArrayOutputStream.write(b);
}
/**
* 将内容从头改写到回来的目标中 而且防止屡次改写
*/
@Override
public void flush() throws IOException {
if(!response.isCommitted()){
byte[] bytes = this.byteArrayOutputStream.toByteArray();
ServletOutputStream outputStream = response.getOutputStream();
outputStream.write(bytes);
outputStream.flush();
}
}
}
}
  • 第三步:扩展TraceableRequest,该接口中的办法会在创立HttpTrace#Request内部类时调用,自定义完成里边的办法,再在过滤器中引证该类就可以到达自定义监控内容的意图,该类中的Request是咱们第一步创立的装修类,不能运用HttpServletRe陈万桥quest
public class CustomerTraceableRequest implements TraceableRequest {
//自定义的Request装修类,不能运用HttpServletRequest
private RequestWrapper request;
public CustomerTraceable广州燕香生物科技有限公司Request(RequestWrapper request) {
this.request = request;
}
//HttpTrace类中getMethod会调用
@Override
public String getMethod() {
return request.getMethod();
}
/**
* @return POST 或许 GET 办法 都回来 {ip}:{port}/uir的办法回来
*/
@Override
public URI getUri() {
return URI.create(request.getRequestURL().toString());
}
//由于在HttpTrace中可扩展的只要headers的Map,所以咱们自定义特点RequestParam存入headers中,作为入参信息展现
@Override
public Map> getHeaders() {
Map> headerParam = new HashMap<>(1);
headerParam.put("RequestParam",getParams());
return headerParam;
}
//该办法也要重写,默许的太简略无法获取真是的IP
@Override
public String getRemoteAddress() {
return IpUtils.getIpAddress(request);
}
//依据GET或许POST的恳求办法不同,获取不同情况下的恳求参数
public List getParams() {
String params = null;
String method = this.getMethod();
if(HttpMethod.GET.matches(method)){
params = request.getQueryString();
}else if(HttpMethod.POST.matches(method)){
params = this.request.body();
}
List result = new ArrayList<>(1);
result.add(params);
return result;
}
}
  • 第四步:扩展TraceableResponse,该该接口中办法在创立HttpTrace#Response内部类时引证,自定义完成里边的办法,在端监控页面展现:
public class CustomerTraceableResponse implements TraceableResponse {
//自定义HttpServl欧毒舞蹈视频etResponse包装类 不能运用HttpServletResponse目标
private ResponseWrapper response;
private HttpServletRequest request;
public CustomerTraceableResponse(ResponseWrapper response, HttpServletRequest request) {
this.response = response;
this.request = request;
}
//回来呼应状况
@Override
public int getStatus() {
return response.getStatus();
}
//扩展Response headers增加Response Body特点,展现呼应内容,可是需求扫除/actuator/最初的恳求,这儿边部分呼应内容太大,简单OOM
@Override
public Map> getHeaders() {
if(isActuatorUri()){
return extractHeaders();
}else{
Map> result = new LinkedHashMap<>(1);
List responseBody = new ArrayList<>(1);
responseBody.add(this.response.body(姜玉铭));
result.put("ResponseBody", responseBody);
result.put("Content-Type", getContentType());
return result;
}
}
//是否是需求过滤的恳求uri
private boolean isActuatorUri() {
String requestUri = request.getRequestURI();
AntPathMatcher matcher = new AntPathMatcher();
return matcher.match("/actuator/**", requestUri);
}
//server端页面展现的Content-Type以及Length是从Response中获取的
private List getContentType() {
List list = new ArrayList<>(1);
list.add(this.response.g奇幻潮粤语etContentType());
return list;
}
//针对/actuator/**的恳求回来默许的headers内容获
private Map> extractHeaders() {
Map> headers = new LinkedHashMap<>();
for (String name : this.response.getHeaderNames()) {
headers.put(name, new ArrayList<>(this.response.getHeaders(name)));
}
return headers;
}
}
  • 第五步:自定义Filter对Resquest和Response过滤,并创立HttpTrace目标并保存:
public class CustomerHttpTraceFilter extends OncePerRequestFilter implements Ordered {
//该类存储HttpTrace的repository,默许是依据内存的,可扩展该类跟换存储数捉鬼之超级天师据的办法
private HttpTraceRepository httpTraceRepository;
//该类创立HttpTrace目标,经过Set在装备文件中咱们需求展现那些内容的容器(request-headers,response-headers,remote-address,time-taken) 对request和response进行挑选
private HttpExchangeTracer httpExchangeTracer;
public CustomerHttpTraceFilter(HttpTraceRepository httpTraceRepository, HttpExchangeTracer httpExchangeTracer) {
this.httpTraceRepository = httpTraceRepository;
this.httpExchangeTracer = httpExchangeTracer;
}
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
//校验URI是否有用
if (!isRequestValid(request)) {
filterChain.doFilter(request, response);
return;
}
//将HttpServletRequest包装成咱们自己的
RequestWrapper wrapper = new RequestWrapper(request);
//将HttpServletResponse包装成咱们的自己的
ResponseWrapper responseWrapper = new ResponseWrapper(response);
//创立咱们的自己的TraceRequest目标
CustomerTraceableRequest traceableRequest = new CustomerTraceableRequest(wrapper);
//创立HttpTrace目标(FilteredTraceableRequest 是内部类,经过Set挑选那些信息需求展现就保存那些信息),要点设置HttpTrace#Request目标的各种参数
HttpTrace httpTrace = httpExchangeTracer.receivedRequest(traceableRequest);
try {
filterChain.doFilter(wrapper, responseWrapper);
} finally {
//运用自定义的TraceableResponse 保存需求的response信息
CustomerTraceableResponse traceableResponse = new CustomerTraceableResponse(responseWrapper,request);
//依据Set设置HttpTrace中session、principal、timeTaken信息以及 Response内部类信息
this.httpExchang生果沙拉怎么做,免费全本小说,扇贝的做法-一点咨询,特别的新闻视角,特别的标题eTracer.sendingResponse(httpTrace, traceableResponse, null, null);
//将HttpTrace目标保存在Respository中存储起来
this.httpTraceRepository.add(httpTrace);
}
}
private boolean isRequestValid(HttpServletRequest request) {
try {
new URI(request.getRequestURL().toString());
return true;
} catch (URISyntaxException ex) {
return false;
}
}
@Override
public int getOrder() {
return Ordered.LOWEST_PRECEDENCE - 10;
}
}
  • 第六步:经过@SpringBootApplication(exclude)禁用HttpTraceAutoConfiguration主动装备,自定义主动装备替换Filter过滤器:
@Configuration
@ConditionalOnWebApplication
@ConditionalOnProperty(prefix = "management.trace.http", name = "enabled", matchIfMissing = true)
@EnableConfigurationProperties(HttpTraceProperties.class)
public class TraceFilterConfig {
//存储HttpTrace信息的目标
@Bean
@ConditionalOnMissingBean(HttpTraceRepository.class)
public InMemoryHttpTraceRepository traceRepository() {
return new InMemoryHttpTraceRepository();
}
//创立HttpTrace目标Exchange
@Bean
@ConditionalOnMissingBean
public HttpExchangeTracer httpExchangeTracer(HttpTraceProperties traceProperties) {
return new HttpExchange换化体Tracer(traceProperties.getInclude())上海神明电机有限公司;
}
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET)
static class ServletTraceFilterConfiguration {
//将咱们自定义的Filter已Bean的办法注册,才干收效
@Bean
@ConditionalOnMissingBean
public CustomerHttpTraceFilter httpTraceFilter(HttpTraceRepository repository,
HttpExchangeTracer tracer)生果沙拉怎么做,免费全本小说,扇贝的做法-一点咨询,特别的新闻视角,特别的标题 {
return new CustomerHttpTraceFilter(repository,tracer);
}
}
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.REACTIVE)
static class ReactiveTraceFilterConfigu精牛ration {
@Bean
@ConditionalOnMissingBean
public HttpTraceWebFilter httpTraceWebFilter(HttpTraceRepository repository,
HttpExchangeTracer tracer, HttpTraceProperties traceProperties) {
return new HttpTraceWebFilter(repository, tracer,
traceProperties.getInclude());
}
}
}

集成Redisson健康状况监控

如果有引进sprin武林十八女杰g-boot-starter-redis,SBA默许同过RedisConnectionFactory监控Redis的健康状况,无法Redisson还没有,自己着手锦衣玉食。经过HealthIndicator或ReactiveHealthIndicator运用战略办法完成不同组件的健康监控,后者是运用Rective办法下的。我是经过JavaBean的办法装备Redisson,趁便再增加Reactive风吕敷结法HealthIndicator该目标即可:

@Configuration
@EnableConfigurationProperties(value = RedissonProperties.class)
public class RedissonConfig implements ReactiveHealthIndicator {
//自己的RedissonProperties文件
@Autowired
private RedissonProperties redissonProperties;
//露出 redissonClient句柄
@Bean
@ConditionalOnMissingBean
public RedissonClient redisClient() {
return Redisson.create(config());
}
//经过Bean的办法装备RedissonConfig相关信息
@Bean
public Config config() {
Config config = new Config();
config.useSingleServer() //单实列办法
.setAddress(redissonProperties.getAddress() + ":" + redissonProperties.getPort())
.setPass生果沙拉怎么做,免费全本小说,扇贝的做法-一点咨询,特别的新闻视角,特别的标题word(redissonProperties.getPassword())
.setDatabase(redissonProperties.getDatabase())
.setConnectionPoolSize(redissonProperties.getConnectionPoolSize())
.setConnectionMinimumIdleSize(redissonProperties.getConnectionMinimumIdleSize())
.setIdleConnectionTimeout(redisso生果沙拉怎么做,免费全本小说,扇贝的做法-一点咨询,特别的新闻视角,特别的标题nProperties.getIdleConnectionTimeout())
.setSubscriptionConnectionPoolSize(redissonProperties.getSubscriptionConnectionPoolSize())
.setSubscriptionConnectionMinimumIdleSize(redissonProperties.getSubscriptionConnectionMinimumIdleSize())
.setTimeout(redissonProperties.getTimeout())
.setRetryAttempts(redissonProperties.getRetryAttempts())
.setRetryInterval(redissonProperties.getRetryInterval())
.setConnectTimeout(redissonProperties.getConnectTimeout())
.setReconnectionTimeout(redissonProperties.getReconnectionTimeout());
config
.setCodecProvider(new DefaultCode杨艺林cProvider())
.setEventLoopGroup(new NioEventLoopGroup())
.setTh穿越花男之我是具俊燮reads(Runtime.getRuntime().availableProcessors() * 2)
.setNettyThreads(Runtime.getRuntime().availableProcessors() * 2);
return config;
}
//完成ReactiveHealthIndicator 重写health办法
@Override
public Mono health() {
return checkRedissonHealth().onErrorResume(ex -> Mono.just(new Health.Builder().down(ex).build()));
}
//我是经过ping 的办法判别redis服务器是否up的状况,并增加加Netty和Threads的监控
private Mono checkRedissonHealth() {
Health.Builder builder = new Health.Builder();
builder.withDetail("address", redissonProperties.getAddress());
//检测健康状况
if (this.redisClient().getNodesGroup().pingAll()) {
builder.status(Status.UP);
builder.withDetail("dataBase", redissonProperties.getDatabase());
builder.withDetail("redisNodeThreads", this.redisClient().getConfig().getThreads());
builder.withDetail("nettyThreads", this.redisClient().getConfig().getNettyThreads());
}else{
builder.status(Status.DOWN);
}
return Mono.just(builder.build());
}
}

在页面上看便是:

Ok!圆满完成!

如有过错,不吝赐教!

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