From f2cee7829ae7d8fae58239dd0018b2aa790c0251 Mon Sep 17 00:00:00 2001 From: olegb Date: Mon, 19 Feb 2018 16:24:54 +0200 Subject: Added JAX-RS filters for logging Change-Id: I57ab333278d4ea26530e916ef89670df8b51b555 Issue-ID: SDC-772 Signed-off-by: olegb Signed-off-by: vempo --- .../sdc/logging/servlet/LoggingFilter.java | 145 --------------------- 1 file changed, 145 deletions(-) delete mode 100644 openecomp-be/lib/openecomp-sdc-logging-lib/openecomp-sdc-logging-core/src/main/java/org/openecomp/sdc/logging/servlet/LoggingFilter.java (limited to 'openecomp-be/lib/openecomp-sdc-logging-lib/openecomp-sdc-logging-core/src/main/java') diff --git a/openecomp-be/lib/openecomp-sdc-logging-lib/openecomp-sdc-logging-core/src/main/java/org/openecomp/sdc/logging/servlet/LoggingFilter.java b/openecomp-be/lib/openecomp-sdc-logging-lib/openecomp-sdc-logging-core/src/main/java/org/openecomp/sdc/logging/servlet/LoggingFilter.java deleted file mode 100644 index 0ca550a20a..0000000000 --- a/openecomp-be/lib/openecomp-sdc-logging-lib/openecomp-sdc-logging-core/src/main/java/org/openecomp/sdc/logging/servlet/LoggingFilter.java +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Copyright © 2016-2017 European Support Limited - * - * Licensed 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. - */ - -package org.openecomp.sdc.logging.servlet; - -import org.openecomp.sdc.logging.api.Logger; -import org.openecomp.sdc.logging.api.LoggerFactory; -import org.slf4j.MDC; - -import javax.servlet.Filter; -import javax.servlet.FilterChain; -import javax.servlet.FilterConfig; -import javax.servlet.ServletException; -import javax.servlet.ServletRequest; -import javax.servlet.ServletResponse; -import javax.servlet.http.HttpServletRequest; -import java.io.IOException; -import java.net.InetAddress; -import java.net.UnknownHostException; -import java.util.UUID; -import java.util.concurrent.atomic.AtomicLong; - - -/** - * - *

Pushes information required by EELF onto MDC (Mapped Diagnostic Context).

- * - *

This is servlet filter that should be configured in web.xml to be used. Example:

- * - * 
- *
- *  <filter>
- *      <filter-name>LoggingServletFilter</filter-name>
- *      <filter-class>org.openecomp.sdc.logging.servlet.LoggingFilter</filter-class>
- *  </filter>
- *
- *  <filter-mapping>
- *      <filter-name>LoggingServletFilter</filter-name>
- *      <url-pattern>/*</url-pattern>
- *  </filter-mapping>
- *
- *
- * - * @author evitaliy - * @since 25/07/2016. - */ -public class LoggingFilter implements Filter { - - // should be cashed to avoid low-level call, but with a timeout to account for IP or FQDN changes - private static final HostAddressCache HOST_ADDRESS = new HostAddressCache(); - private static final String UNKNOWN = "UNKNOWN"; - - private static final Logger LOGGER = LoggerFactory.getLogger(LoggingFilter.class); - - public void destroy() { - } - - public void doFilter(ServletRequest request, ServletResponse response, - FilterChain chain) throws IOException, ServletException { - - try { - - MDC.clear(); - - MDC.put("RequestId", UUID.randomUUID().toString()); - MDC.put("ServiceInstanceId", "N/A"); // not applicable - MDC.put("ServiceName", "ASDC"); - MDC.put("InstanceUUID", "N/A"); - - // For some reason chooses IPv4 or IPv6 in a random way - MDC.put("RemoteHost", request.getRemoteHost()); - - InetAddress host = HOST_ADDRESS.get(); - - String ipAddress; - String hostName; - if (host == null) { - ipAddress = UNKNOWN; - hostName = UNKNOWN; - } else { - ipAddress = host.getHostAddress(); - hostName = host.getHostName(); - } - - MDC.put("ServerIPAddress", ipAddress); - MDC.put("ServerFQDN", hostName); - - if(request instanceof HttpServletRequest) { - String userName = ((HttpServletRequest) request).getHeader("USER_ID"); - MDC.put("PartnerName", userName); - } - // TODO: Clarify what these stand for - // MDC.put("AlertSeverity", ); - // MDC.put("Timer", ); - - chain.doFilter(request, response); - - } finally { - MDC.clear(); - } - } - - public void init(FilterConfig config) throws ServletException { } - - private static class HostAddressCache { - - private static final long REFRESH_TIME = 1000L; - - private final AtomicLong lastUpdated = new AtomicLong(0L); - private InetAddress hostAddress; - - public InetAddress get() { - - long current = System.currentTimeMillis(); - if (current - lastUpdated.get() > REFRESH_TIME) { - - synchronized (this) { - - try { - lastUpdated.set(current); // set now to register the attempt even if failed - hostAddress = InetAddress.getLocalHost(); - } catch (UnknownHostException e) { - LOGGER.error("Failed to retrieve local hostname for logging", e); - hostAddress = null; - } - } - } - - return hostAddress; - } - } -} -- cgit 1.2.3-korg