public AgentContext Load(AgentContext context)
{
context = LoadFromConfigXml(context);
if (context != null)
{
context = LoadFromCloud(context);
}
return context;
}
private AgentContext LoadFromCloud(AgentContext context)
{
Log.Debug("Loading agent context from cloud");
// load base config
try
{
var baseConfig = _cloudService.GetBaseConfig(context.ServerKey);
if (baseConfig != null)
{
var settings = baseConfig.Settings;
if (settings != null)
{
LoadAgentContextSettings(context, settings);
}
var pluginResources = baseConfig.PluginResources;
if (pluginResources != null)
{
foreach (var pluginResource in pluginResources)
{
context.AddPluginResource(pluginResource);
}
}
}
}
catch (Exception ex)
{
Log.WarnFormat("Loading agent context from cloud failed with message: {0}", ex.Message);
Log.Error(ex);
}
// load schedules
try
{
var schedules = _cloudService.GetSchedules(context.ServerKey);
if (schedules != null)
{
context.PluginResourceSchedules = schedules.Where(s => context.PluginResources.Any(r => r.TextKey == s.PluginResourceTextKey)).ToList();
}
}
catch (Exception ex)
{
Log.WarnFormat("Loading agent context schedules from cloud failed with message: {0}", ex.Message);
Log.Error(ex);
}
return context;
}
private AgentContext LoadFromConfigXml(AgentContext context)
{
Log.DebugFormat("Loading agent context from config file: {0}", AgentContext.ConfigFilePath);
// extract configuration from xml file
var configXml = AgentContext.ConfigXml;
if (configXml == null)
{
Log.DebugFormat("No agent context config file found");
return null;
}
// <service>
LoadAgentContextSettings(context, configXml.XPathSelectElements("//service/add").ToDictionary(e => e.Attribute<string>("key"), v => v.Attribute<string>("value")));
// <plugins>
foreach (var resourceNode in configXml.XPathSelectElements("//plugins/plugin/resource"))
{
if (context.PluginBlacklist == null || !context.PluginBlacklist.Contains(resourceNode.Attribute<string>("category"), StringComparer.InvariantCultureIgnoreCase))
{
context.AddPluginResource(new PluginResource
{
PluginName = resourceNode.Parent.Attribute<string>("name"),
Category = resourceNode.Attribute<string>("category"),
CategoryTextKey = resourceNode.Attribute<string>("categoryTextKey"),
Label = resourceNode.Attribute<string>("label"),
ResourceTextKey = resourceNode.Attribute<string>("textKey"),
Unit = resourceNode.Attribute<string>("unit"),
RequiresOptionTextField = resourceNode.Attribute<bool>("requiresOptionTextField"),
Script = !string.IsNullOrWhiteSpace(resourceNode.Attribute<string>("psFile")) ? File.ReadAllText(Path.Combine(AgentContext.CustomPowerShellPluginsDirectoryPath, resourceNode.Attribute<string>("psFile"))) : null,
ConfigTextKey = resourceNode.Attribute<string>("configTextKey"),
});
}
}
// <config>
var configNode = configXml.XPathSelectElement("//config");
if (configNode != null)
{
foreach (var node in configNode.Elements())
{
context.Config[node.Name.LocalName] = node.Elements("add").ToDictionary(e => e.Attribute<string>("key"), v => v.Attribute<string>("value"));
}
}
return context;
}
private void LoadAgentContextSettings(AgentContext context, System.Collections.Generic.IDictionary<string, string> settings)
{
if (settings.ContainsKey("ServerKey"))
{
context.ServerKey = settings["ServerKey"];
}
if (settings.ContainsKey("DiscoveryCheckInterval"))
{
context.DiscoveryCheckInterval = (int)TimeSpan.FromSeconds(Math.Abs(int.Parse(settings["DiscoveryCheckInterval"]))).TotalMilliseconds;
}
if (settings.ContainsKey("MetricResultsQueueMax"))
{
context.MetricResultsQueueMax = Math.Abs(int.Parse(settings["MetricResultsQueueMax"]));
}
if (settings.ContainsKey("MetricResultsQueueBackupThreshold"))
{
context.MetricResultsQueueBackupThreshold = Math.Abs(int.Parse(settings["MetricResultsQueueBackupThreshold"]));
}
if (settings.ContainsKey("MaxMetricResultsPerSync"))
{
context.MaxMetricResultsPerSync = Math.Abs(int.Parse(settings["MaxMetricResultsPerSync"]));
}
if (settings.ContainsKey("EnableAlertCheckDelay"))
{
context.EnableAlertCheckDelay = bool.Parse(settings["EnableAlertCheckDelay"]);
}
if (settings.ContainsKey("PluginBlacklist"))
{
context.PluginBlacklist = settings["PluginBlacklist"].Split(",".ToCharArray()).Select(s => s.Trim()).ToArray();
}
}
/// <summary>
/// Seeds class properties with data from the agent config file.
/// <para>The location of the agent config file is read from the Registry</para>
/// <p
/// </summary>
public static void Load()
{
Current = DependencyRegistry.Resolve<IAgentContextLoader>().Load(new AgentContext());
// queue metric result backups
try
{
foreach (var resultFile in Directory.GetFiles(ResultsBackupDirectory, "*.json"))
{
Current._metricAnalyzerResultQueue.Enqueue(JsonConvert.DeserializeObject<AnalyzerResult>(File.ReadAllText(resultFile)));
File.Delete(resultFile);
}
}
catch (Exception ex)
{
Log.Error(ex);
}
}
public AgentContext Load(AgentContext context)
{
context.ServerKey = "test";
return context;
}
