API CHANGE:

Two new actions for the sysadm/update class: "listlogs" and "readlogs";

REST Request (example):
-------------------------------
PUT /sysadm/update
{
   "action" : "listlogs"
}

WebSocket Request:
-------------------------------
{
   "namespace" : "sysadm",
   "name" : "update",
   "args" : {
      "action" : "listlogs"
   },
   "id" : "fooid"
}

Response:
-------------------------------
{
  "args": {
    "listlogs": {
      "pc-updatemanager.log": {
        "finished": "1484127618",
        "name": "pc-updatemanager.log",
        "started": "1484127618"
      },
      "pc-updatemanager.log.prev": {
        "finished": "1484109171",
        "name": "pc-updatemanager.log.prev",
        "started": "1484109171"
      }
    }
  },
  "id": "fooid",
  "name": "response",
  "namespace": "sysadm"
}

===================================

REST Request (example):
-------------------------------
PUT /sysadm/update
{
   "logs" : [
      "pc-updatemanager.log"
   ],
   "action" : "readlogs"
}

WebSocket Request:
-------------------------------
{
   "id" : "fooid",
   "namespace" : "sysadm",
   "name" : "update",
   "args" : {
      "logs" : [
         "pc-updatemanager.log"
      ],
      "action" : "readlogs"
   }
}

Response:
-------------------------------
{
  "args": {
    "readlogs": {
      "pc-updatemanager.log": "pc-updatemanager: Tue Jan 10 23:32:51 EST 2017\nChecking for updates to ports-mgmt/pkg..\nUpdating the package repo database...\nCleaning old pkg upgrade cache...\n<Shortened For Example>\nDetermine new BE name...\nCleanup mounts..."
    }
  },
  "id": "fooid",
  "name": "response",
  "namespace": "sysadm"
}

src/server/WebBackend.cpp

@@ -603,6 +603,14 @@ RestOutputStruct::ExitCode WebSocket::EvaluateSysadmUpdateRequest(const QJsonVal
       }else if(act=="changesettings"){
 	ok = true;
 	out->insert("changesettings", sysadm::Update::writeSettings(in_args.toObject()) );
+
+      }else if(act=="listlogs"){
+        ok = true;
+        out->insert("listlogs", sysadm::Update::listLogs() );
+
+      }else if(act=="readlogs" && in_args.toObject().contains("logs") ){
+        ok = true;
+        out->insert("readlogs", sysadm::Update::readLog(in_args.toObject()) );
       }
 
     } //end of "action" key usage

src/server/library/sysadm-update.cpp

@@ -310,3 +310,38 @@ QJsonObject Update::writeSettings(QJsonObject obj){
 
   return ret;
 }
+
+//List/Read update logs
+QJsonObject Update::listLogs(){
+  QJsonObject out;
+  QDir logdir("/var/log");
+  QFileInfoList logs = logdir.entryInfoList(QStringList() << "pc-updatemanager*", QDir::Files, QDir::Time);
+  for(int i=0; i<logs.length(); i++){
+    QJsonObject tmp;
+    tmp.insert("started", QString::number( logs[i].created().toTime_t() ) );
+    tmp.insert("finished", QString::number( logs[i].lastModified().toTime_t() ) );
+    tmp.insert("name", logs[i].fileName());
+    out.insert(logs[i].fileName(), tmp);
+  }
+  return out;
+}
+
+QJsonObject Update::readLog(QJsonObject obj){
+  QJsonObject ret;
+  //Check Inputs
+  if(obj.contains("logs")){
+    QJsonValue val = obj.value("logs");
+    QStringList logs;
+    if(val.isString()){ logs << val.toString(); }
+    else if(val.isArray()){ logs = General::JsonArrayToStringList(obj.value("logs").toArray()); }
+    QString logdir = "/var/log/";
+    for(int i=0; i<logs.length(); i++){
+      if(!logs[i].startsWith("pc-updatemanager")){ continue; } //wrong type of log file - this only handles pc-updatemanager logs
+      QStringList info = General::readTextFile(logdir+logs[i]);
+      if(!info.isEmpty()){
+        ret.insert(logs[i], info.join("\n"));
+      }
+    }
+  }
+  return ret;
+}

src/server/library/sysadm-update.h

@@ -26,10 +26,12 @@ public:
 	//Read/write update settings
 	static QJsonObject readSettings();
 	static QJsonObject writeSettings(QJsonObject);
-
+	//List/Read update logs
+	static QJsonObject listLogs();
+	static QJsonObject readLog(QJsonObject);
 
 };
 	
-} //end of pcbsd namespace
+}
 
 #endif