/// <summary>
/// Gets the alerts for all servers in the account that subscribe to an alert policy.
/// </summary>
/// <returns>All alerts</returns>
public async Task <IEnumerable <Alert> > GetAllServerAlerts(CancellationToken cancellationToken)
{
var alerts = new List <Alert>();
var alertPolicies = await GetAlertPoliciesByLink(cancellationToken).ConfigureAwait(false);
//TODO: fetch concurrently
foreach (var alertPolicy in alertPolicies.Items)
{
var servers = await alertPolicy.GetServers().ConfigureAwait(false);
foreach (var server in servers)
{
var statistics = await server.GetStatistics().ConfigureAwait(false);
if (statistics != null)
{
var statistic = statistics.Stats.FirstOrDefault();
if (statistic != null)
{
foreach (var trigger in alertPolicy.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 all servers in the account that subscribe to an alert policy.
/// </summary>
/// <returns>All alerts</returns>
public async Task<IEnumerable<Alert>> GetAllServerAlerts(CancellationToken cancellationToken)
{
var alerts = new List<Alert>();
var alertPolicies = await GetAlertPoliciesByLink(cancellationToken).ConfigureAwait(false);
//TODO: fetch concurrently
foreach (var alertPolicy in alertPolicies.Items)
{
var servers = await alertPolicy.GetServers().ConfigureAwait(false);
foreach (var server in servers)
{
var statistics = await server.GetStatistics().ConfigureAwait(false);
if (statistics != null)
{
var statistic = statistics.Stats.FirstOrDefault();
if (statistic != null)
{
foreach (var trigger in alertPolicy.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>
/// 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>
/// 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;
}
