void SetInternalServerProperties(Server server)
{
server.ServerService = this;
}
/// <summary>
/// Gets the alerts for a particular server.
/// </summary>
/// <param name="server">The server</param>
/// <returns>The alerts for the indicated server</returns>
public async Task<List<Alert>> GetServerAlerts(Server server, CancellationToken cancellationToken)
{
var statisticsTask = server.GetStatistics(cancellationToken);
var alertPoliciesTasks =
server
.Details
.AlertPolicies
.Select(
a =>
GetAlertPolicyByLink(string.Format("{0}{1}", Configuration.BaseUri, a.selfLink.Value.Href), cancellationToken));
await Task.WhenAll(alertPoliciesTasks).ConfigureAwait(false);
var statistics = await statisticsTask.ConfigureAwait(false);
var alertPolicies = alertPoliciesTasks.Select(a => a.Result);
return ScanAlertPoliciesForAlerts(server, alertPolicies, statistics);
}
/// <summary>
/// Loops through alert policies to determine if a server needs to be alerted.
/// </summary>
/// <param name="serverId"></param>
/// <param name="alertPolicies"></param>
/// <param name="statistics"></param>
/// <returns></returns>
private List<Alert> ScanAlertPoliciesForAlerts(Server server, IEnumerable<AlertPolicy> alertPolicies, Statistics statistics)
{
var alerts = new List<Alert>();
foreach (var alertPolicy in alertPolicies)
{
var statistic = statistics.Stats.FirstOrDefault();
if (statistic != null)
{
var triggers = alertPolicy.Triggers;
if (triggers != null)
{
foreach (var trigger in triggers)
{
try
{
var alert = GetServerAlert(alertPolicy, trigger, statistic, server.Id);
if (alert != null)
{
alerts.Add(alert);
}
}
catch (Exception ex)
{
var exception = new CenturyLinkCloudServiceException(Constants.ExceptionMessages.AlertGenerationExceptionMessage, ex);
throw exception;
}
}
}
}
}
return alerts;
}
/// <summary>
/// Gets the alerts for a particular server.
/// </summary>
/// <param name="server">The server</param>
/// <returns>The alerts for the indicated server</returns>
public Task<List<Alert>> GetServerAlerts(Server server)
{
return GetServerAlerts(server, CancellationToken.None);
}
/// <summary>
/// Returns the recent activity for the indicated server
/// </summary>
/// <param name="s">The server</param>
/// <param name="recordLimit">The maximum number of records to return</param>
/// <returns>The server recent activity</returns>
public Task<IEnumerable<Activity>> GetRecentActivityFor(Server s, int recordLimit, CancellationToken cancellationToken)
{
return GetRecentActivity(new[] { s.Id }, recordLimit, cancellationToken);
}
/// <summary>
/// Returns the recent activity for the indicated server
/// </summary>
/// <param name="s">The server</param>
/// <returns>The server recent activity</returns>
public Task<IEnumerable<Activity>> GetRecentActivityFor(Server s, CancellationToken cancellationToken)
{
return GetRecentActivityFor(s, 10, cancellationToken);
}
/// <summary>
/// Returns the recent activity for the indicated server
/// </summary>
/// <param name="s">The server</param>
/// <param name="recordLimit">The maximum number of records to return</param>
/// <returns>The server recent activity</returns>
public Task<IEnumerable<Activity>> GetRecentActivityFor(Server s, int recordLimit)
{
return GetRecentActivityFor(s, recordLimit, CancellationToken.None);
}
/// <summary>
/// Returns the recent activity for the indicated server
/// </summary>
/// <param name="s">The server</param>
/// <returns>The server recent activity</returns>
public Task<IEnumerable<Activity>> GetRecentActivityFor(Server s)
{
return GetRecentActivityFor(s, CancellationToken.None);
}