com.meltmedia.cadmium.servlets.jersey.StatusService Maven / Gradle / Ivy
/**
* Copyright 2012 meltmedia
*
* 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 com.meltmedia.cadmium.servlets.jersey;
import com.meltmedia.cadmium.core.*;
import com.meltmedia.cadmium.core.config.ConfigManager;
import com.meltmedia.cadmium.core.git.DelayedGitServiceInitializer;
import com.meltmedia.cadmium.core.git.GitService;
import com.meltmedia.cadmium.core.lifecycle.LifecycleService;
import com.meltmedia.cadmium.core.messaging.ChannelMember;
import com.meltmedia.cadmium.core.messaging.MessageSender;
import com.meltmedia.cadmium.status.Status;
import com.meltmedia.cadmium.status.StatusMember;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.*;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.io.File;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Properties;
@CadmiumSystemEndpoint
@Path("/status")
public class StatusService extends AuthorizationService {
private final Logger logger = LoggerFactory.getLogger(getClass());
//constants
public final String ENVIRON_DEV = "development";
public final String ENVIRON_QA = "qa";
public final String ENVIRON_STAGING = "staging";
public final String ENVIRON_GENE = "gene";
public final String ENVIRON_PROD = "prod";
public final String MAINT_ON = "on";
public final String MAINT_OFF = "off";
@Inject
protected MessageSender sender;
@Inject
protected SiteDownService maintService;
@Inject
protected LifecycleService lifecycleService;
@Inject
@ContentGitService
protected DelayedGitServiceInitializer gitService;
@Inject
@ConfigurationGitService
protected DelayedGitServiceInitializer configGitService;
@Inject
protected ConfigManager configManager;
@GET
@Path("/Ping")
@Produces("text/plain")
public String ping() {
return "Ok";
}
@GET
@Path("/health")
@Produces("text/plain")
public String health(@Context HttpServletRequest request) {
StringBuilder builder = new StringBuilder();
builder.append("Server: "+request.getServerName() + "\n");
builder.append("Scheme: "+request.getScheme() + "\n");
builder.append("Port: "+request.getServerPort() + "\n");
builder.append("ContextPath: " + request.getContextPath() + "\n");
builder.append("ServletPath: " + request.getServletPath() + "\n");
builder.append("Uri: " + request.getRequestURI() + "\n");
builder.append("Query: " + request.getQueryString() + "\n");
Enumeration headerNames = request.getHeaderNames();
builder.append("Headers:\n");
while(headerNames.hasMoreElements()) {
String name = (String) headerNames.nextElement();
Enumeration headers = request.getHeaders(name);
builder.append(" '" + name + "':\n");
while(headers.hasMoreElements()) {
String headerValue = (String) headers.nextElement();
builder.append(" -"+headerValue+"\n");
}
}
if(request.getCookies() != null) {
builder.append("Cookies:\n");
for(Cookie cookie : request.getCookies()) {
builder.append(" '" + cookie.getName() + "':\n");
builder.append(" value: " + cookie.getValue() + "\n");
builder.append(" domain: " + cookie.getDomain() + "\n");
builder.append(" path: " + cookie.getPath() + "\n");
builder.append(" maxAge: " + cookie.getMaxAge() + "\n");
builder.append(" version: " + cookie.getVersion() + "\n");
builder.append(" comment: " + cookie.getComment() + "\n");
builder.append(" secure: " + cookie.getSecure() + "\n");
}
}
return builder.toString();
}
@GET
@Produces(MediaType.APPLICATION_JSON)
public Status status(@HeaderParam("Authorization") @DefaultValue("no token") String auth) throws Exception {
if(!this.isAuth(auth)) {
throw new Exception("Unauthorized!");
}
Status returnObj = new Status();
String rev = null;
String branch = null;
String repo = null;
String configRev = null;
String configBranch = null;
String configRepo = null;
Properties configProperties = configManager.getDefaultProperties();
// Get content directory
String contentDir = configProperties.getProperty("com.meltmedia.cadmium.lastUpdated", "");
// Get config directory
String configDir = configProperties.getProperty("com.meltmedia.cadmium.config.lastUpdated", "");
GitService git = null;
try {
git = gitService.getGitServiceNoBlock();
rev = git.getCurrentRevision();
branch = git.getBranchName();
repo = git.getRemoteRepository();
} catch(IllegalStateException e) {
logger.debug("Content git service is not yet set: " + e.getMessage());
} finally {
try {
gitService.releaseGitService();
} catch(IllegalMonitorStateException e) {
logger.debug("Released unattained read lock.");
}
}
// Get cadmium project info (branch, repo and revision)
rev = configProperties.getProperty("git.ref.sha", rev);
branch = configProperties.getProperty("branch",
branch == null ? configProperties.getProperty("com.meltmedia.cadmium.branch") : branch);
repo = configProperties.getProperty("repo",
repo == null ? configProperties.getProperty("com.meltmedia.cadmium.git.uri") : repo);
git = null;
try {
git = configGitService.getGitServiceNoBlock();
configRev = git.getCurrentRevision();
configBranch = git.getBranchName();
configRepo = git.getRemoteRepository();
} catch(IllegalStateException e) {
logger.debug("Config git service is not yet set: " + e.getMessage());
} finally {
try {
configGitService.releaseGitService();
} catch(IllegalMonitorStateException e) {
logger.debug("Released unattained read lock.");
}
}
// Get cadmium project info (branch, repo and revision)
configRev = configProperties.getProperty("config.git.ref.sha", configRev);
configBranch = configProperties.getProperty("config.branch",
configBranch == null ? configProperties.getProperty("com.meltmedia.cadmium.config.branch") : configBranch);
configRepo = configProperties.getProperty("config.repo",
configRepo == null ? configProperties.getProperty("com.meltmedia.cadmium.config.git.uri", repo) : configRepo);
// Get source project info (branch, repo and revision)
String sourceFile = contentDir + File.separator + "META-INF" + File.separator + "source";
String source = "{}";
if(FileSystemManager.canRead(sourceFile)) {
source = FileSystemManager.getFileContents(sourceFile);
} else {
logger.trace("No source file [{}]", sourceFile);
}
logger.trace("Source [{}] is from [{}]", source, sourceFile);
// Get cluster members' status
List members = lifecycleService.getPeirStates();
if(members != null) {
List peers = new ArrayList();
for(ChannelMember member : members) {
StatusMember peer = new StatusMember();
peer.setAddress(member.getAddress().toString());
peer.setCoordinator(member.isCoordinator());
peer.setState(member.getState());
peer.setConfigState(member.getConfigState());
peer.setMine(member.isMine());
peer.setExternalIp(member.getExternalIp());
peer.setWarInfo(member.getWarInfo());
peers.add(peer);
}
returnObj.setMembers(peers);
}
// Get environment status
String environFromConfig = System.getProperty("com.meltmedia.cadmium.environment");
if(environFromConfig != null && environFromConfig.trim().length() > 0) {
returnObj.setEnvironment(environFromConfig);
}
else {
returnObj.setEnvironment(ENVIRON_DEV);
}
// Get Maintanence page status (on or off)
String maintStatus;
if(maintService.isOn()) {
maintStatus = MAINT_ON;
}
else {
maintStatus = MAINT_OFF;
}
returnObj.setGroupName(sender.getGroupName());
returnObj.setContentDir(contentDir);
returnObj.setConfigDir(configDir);
returnObj.setBranch(branch);
returnObj.setRevision(rev);
returnObj.setRepo(repo);
returnObj.setConfigBranch(configBranch);
returnObj.setConfigRevision(configRev);
returnObj.setConfigRepo(configRepo);
returnObj.setMaintPageState(maintStatus);
returnObj.setSource(source);
return returnObj;
}
}
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