/// <summary>
/// Initialize the RuleUniqueIdentity property of the monitor rule.
/// </summary>
/// <param name="tempRule">The specified monitor rule.</param>
/// <param name="fileName">The file name of this monitor rule.</param>
/// <returns>The MonitorRule with the RuleUniqueIdentity value.</returns>
public static MonitorRule AutoMakeRuleUniqueIdentity(MonitorRule tempRule, string fileName)
{
string fileLocation = fileName.Split(new string[] { ConstStrings.MonitoringDllFolderName + "\\" }, StringSplitOptions.RemoveEmptyEntries)[1].Replace("\\", "_") + "_";
tempRule.RuleUniqueIdentity = fileLocation + tempRule.RuleId;
return(tempRule);
}
private static string GenerateDetailTable(MonitorRule rule, string result)
{
StringBuilder sb = new StringBuilder();
sb.Append("<table>");
sb.Append(string.Format("<tr><td><b>Rule</b></td><td>{0}</td></tr>", rule.RuleId));
sb.Append(string.Format("<tr><td><b>Severity</b></td><td>{0}</td></tr>", rule.AlertSeverity));
sb.Append(string.Format("<tr><td><b>Alert Condition</b></td><td>{0}</td></tr>", rule.Operation + rule.Threshold));
sb.Append(string.Format("<tr><td><b>Actual Result</b></td><td>{0}</td></tr>", result));
sb.Append(string.Format("<tr><td><b>Rule Detail</b></td><td>{0}</td></tr>", JsonConvert.SerializeObject(rule, Formatting.Indented).Replace("\r\n", "<br>")));
sb.Append("</table>");
return(sb.ToString());
}
/// <summary>
/// Take Alert action: Send Email
/// </summary>
/// <param name="rule">The specified MonitorRule instance.</param>
/// <param name="result">The value returned by ExcuteRule method.</param>
public virtual void TakeAlertAction(MonitorRule rule, string result)
{
string subject = string.Format("Interop Monitoring Alert Fired:{0}", rule.RuleId);
//Write the common method to fire the alert action, and this can also be overwritten by derived classed
if ((DateTime.UtcNow - ExecutionInfoStore.GetLastActionTime(rule.RuleUniqueIdentity)).TotalMinutes > rule.AlertSuppressionWindowInMinutes)
{
Log.WriteInfoLog("Rule: {0} compare with last alert time and need alert, start to send alert mail.", rule.RuleUniqueIdentity);
string ccEmail = ConfigurationManager.AppSettings[ConstStrings.ActionEmailServerity + rule.AlertSeverity.ToString()];
var body = AlertMail.GenerateAlertMail(rule, result);
EmailHelper.SendEmail(subject, body, rule.EmailNotificationAddress, ccEmail);
ExecutionInfoStore.SetLastActionTime(rule.RuleUniqueIdentity, DateTime.UtcNow);
Log.WriteInfoLog("Rule: {0} send rule alert mail done", rule.RuleUniqueIdentity);
}
else
{
Log.WriteInfoLog("Rule: {0} compare with last alert time and no need to alert", rule.RuleUniqueIdentity);
}
}
/// <summary> /// After querying, if we need alert, return true, otherwise return false /// </summary> /// <param name="rule">The specified MonitorRule instance.</param> /// <returns>If need alert, return true, otherwise return false.</returns> public abstract bool ExecuteRule(MonitorRule rule, out string result);
/// <summary>
/// Generate the alert mail
/// </summary>
/// <param name="rule">The specified MonitorRule instance.</param>
/// <param name="result">The result of executing this monitor rule.</param>
/// <returns>Generated alert mail content</returns>
public static string GenerateAlertMail(MonitorRule rule, string result)
{
return(Resources.AlertMailTemplate.Replace(ConstStrings.AlertContentPlaceHolder_RuleId, rule.RuleId)
.Replace(ConstStrings.AlertContentPlaceHolder_DetailTable, GenerateDetailTable(rule, result)));
}
/// <summary>
/// Replace AtLastQueryTime using the actual last query time in AlertQuery property.
/// </summary>
/// <param name="tempRule">The specified monitor rule.</param>
/// <returns>The MonitorRule with the updated AlertQuery value.</returns>
public static MonitorRule ReplaceAtLastQueryTime(MonitorRule tempRule)
{
tempRule.AlertQuery = tempRule.AlertQuery.Replace("@LastQueryTime", ExecutionInfoStore.GetLastQueryTime(tempRule.RuleUniqueIdentity).ToString());
return(tempRule);
}