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Core ACS AEM Commons OSGi Bundle. Includes commons utilities.
/*
* #%L
* ACS AEM Commons Bundle
* %%
* Copyright (C) 2013 Adobe
* %%
* 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.
* #L%
*/
package com.adobe.acs.commons.workflow.bulk.execution.impl.servlets;
import com.adobe.acs.commons.fam.ActionManager;
import com.adobe.acs.commons.fam.ActionManagerFactory;
import com.adobe.acs.commons.fam.impl.ThrottledTaskRunnerStats;
import com.adobe.acs.commons.workflow.bulk.execution.BulkWorkflowEngine;
import com.adobe.acs.commons.workflow.bulk.execution.model.Status;
import com.adobe.acs.commons.workflow.bulk.execution.impl.runners.AEMWorkflowRunnerImpl;
import com.adobe.acs.commons.workflow.bulk.execution.model.Config;
import com.adobe.acs.commons.workflow.bulk.execution.model.Failure;
import com.adobe.acs.commons.workflow.bulk.execution.model.Payload;
import com.adobe.acs.commons.workflow.bulk.execution.model.Workspace;
import com.google.gson.Gson;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import org.apache.commons.lang.StringUtils;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.sling.SlingServlet;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.management.InstanceNotFoundException;
import javax.management.ReflectionException;
import javax.servlet.ServletException;
import java.io.IOException;
import java.text.MessageFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
/**
* ACS AEM Commons - Bulk Workflow Manager - Status Servlet
*/
@SuppressWarnings("serial")
@SlingServlet(
methods = {"GET"},
resourceTypes = {BulkWorkflowEngine.SLING_RESOURCE_TYPE},
selectors = {"status"},
extensions = {"json"}
)
public class StatusServlet extends SlingAllMethodsServlet {
private static final Logger log = LoggerFactory.getLogger(StatusServlet.class);
private static final int DECIMAL_TO_PERCENT = 100;
@Reference
private transient ThrottledTaskRunnerStats ttrs;
@Reference
private transient ActionManagerFactory actionManagerFactory;
@Override
@SuppressWarnings({"squid:S3776", "squid:S1192", "squid:S1872"})
protected final void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response)
throws ServletException, IOException {
SimpleDateFormat sdf = new SimpleDateFormat("EEE, d MMM yyyy hh:mm:ss aaa");
response.setContentType("application/json");
response.setCharacterEncoding("UTF-8");
Config config = request.getResource().adaptTo(Config.class);
Workspace workspace = config.getWorkspace();
final JsonObject json = new JsonObject();
json.addProperty("initialized", workspace.isInitialized());
json.addProperty("status", workspace.getStatus().name());
if (workspace.getSubStatus() != null) {
json.addProperty("subStatus", workspace.getSubStatus().name());
}
json.addProperty("runnerType", config.getRunnerType());
json.addProperty("queryType", config.getQueryType());
json.addProperty("queryStatement", config.getQueryStatement());
json.addProperty("workflowModel", StringUtils.removeEnd(config.getWorkflowModelId(), "/jcr:content/model"));
json.addProperty("batchSize", config.getBatchSize());
json.addProperty("autoThrottle", config.isAutoThrottle());
json.addProperty("purgeWorkflow", config.isPurgeWorkflow());
json.addProperty("interval", config.getInterval());
json.addProperty("retryCount", config.getRetryCount());
json.addProperty("timeout", config.getTimeout());
json.addProperty("throttle", config.getThrottle());
json.addProperty("message", workspace.getMessage());
if (config.isUserEventData()) {
json.addProperty("userEventData", config.getUserEventData());
}
ActionManager actionManager = actionManagerFactory.getActionManager(workspace.getActionManagerName());
if (actionManager != null && !Status.COMPLETED.equals(workspace.getStatus())) {
JsonArray failures = new JsonArray();
json.add("failures", failures);
// If Complete, then look to JCR for final accounts as ActionManager may be gone
addActionManagerTrackedCounts(workspace.getActionManagerName(), json);
for (com.adobe.acs.commons.fam.Failure failure : actionManager.getFailureList()) {
JsonObject failureJSON = new JsonObject();
failureJSON.addProperty(Failure.PN_PAYLOAD_PATH, failure.getNodePath());
failureJSON.addProperty(Failure.PN_FAILED_AT, sdf.format(failure.getTime().getTime()));
failures.add(failureJSON);
}
} else {
addWorkspaceTrackedCounts(workspace, json);
JsonArray failures = new JsonArray();
json.add("failures", failures);
// Failures
for (Failure failure : workspace.getFailures()) {
failures.add(failure.toJSON());
}
}
// Times
if (workspace.getStartedAt() != null) {
json.addProperty("startedAt", sdf.format(workspace.getStartedAt().getTime()));
json.addProperty("timeTakenInMillis", (Calendar.getInstance().getTime().getTime() - workspace.getStartedAt().getTime().getTime()));
}
if (workspace.getStoppedAt() != null) {
json.addProperty("stoppedAt", sdf.format(workspace.getStoppedAt().getTime()));
json.addProperty("timeTakenInMillis", (workspace.getStoppedAt().getTime().getTime() - workspace.getStartedAt().getTime().getTime()));
}
if (workspace.getCompletedAt() != null) {
json.addProperty("completedAt", sdf.format(workspace.getCompletedAt().getTime()));
json.addProperty("timeTakenInMillis", (workspace.getCompletedAt().getTime().getTime() - workspace.getStartedAt().getTime().getTime()));
}
if (AEMWorkflowRunnerImpl.class.getName().equals(config.getRunnerType())) {
JsonArray activePayloads = new JsonArray();
json.add("activePayloads", activePayloads);
for (Payload payload : config.getWorkspace().getActivePayloads()) {
activePayloads.add(payload.toJSON());
}
}
json.add("systemStats", getSystemStats());
Gson gson = new Gson();
gson.toJson(json, response.getWriter());
}
private void addActionManagerTrackedCounts(String name, JsonObject json) {
final ActionManager actionManager = actionManagerFactory.getActionManager(name);
int failureCount = actionManager.getErrorCount();
int completeCount = actionManager.getSuccessCount();
int totalCount = actionManager.getAddedCount();
int remainingCount = actionManager.getRemainingCount();
json.addProperty("totalCount", totalCount);
json.addProperty("completeCount", completeCount);
json.addProperty("remainingCount", remainingCount);
json.addProperty("failCount", failureCount);
json.addProperty("percentComplete", Math.round(((totalCount - remainingCount) / (totalCount * 1F)) * DECIMAL_TO_PERCENT));
}
private void addWorkspaceTrackedCounts(Workspace workspace, JsonObject json) {
// Counts
int remainingCount = workspace.getTotalCount() - (workspace.getCompleteCount() + workspace.getFailCount());
json.addProperty("totalCount", workspace.getTotalCount());
json.addProperty("completeCount", workspace.getCompleteCount());
json.addProperty("remainingCount", remainingCount);
json.addProperty("failCount", workspace.getFailCount());
json.addProperty("percentComplete", Math.round(((workspace.getTotalCount() - remainingCount) / (workspace.getTotalCount() * 1F)) * DECIMAL_TO_PERCENT));
}
@SuppressWarnings("squid:S1192")
private JsonObject getSystemStats() {
JsonObject json = new JsonObject();
try {
json.addProperty("cpu", MessageFormat.format("{0,number,#%}", ttrs.getCpuLevel()));
} catch (InstanceNotFoundException e) {
log.error("Could not collect CPU stats", e);
json.addProperty("cpu", -1);
} catch (ReflectionException e) {
log.error("Could not collect CPU stats", e);
json.addProperty("cpu", -1);
}
json.addProperty("mem", MessageFormat.format("{0,number,#%}", ttrs.getMemoryUsage()));
json.addProperty("maxCpu", MessageFormat.format("{0,number,#%}", ttrs.getMaxCpu()));
json.addProperty("maxMem", MessageFormat.format("{0,number,#%}", ttrs.getMaxHeap()));
return json;
}
}