mirror of
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ae22560ce8
prevent them from being serialised alongside the API properties. This will also be useful for moving the API bindings out of XenModel. Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
390 lines
16 KiB
C#
390 lines
16 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using XenAPI;
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using XenAdmin.Network;
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using XenAdmin.Core;
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using System.Globalization;
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namespace XenAdmin.Model
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{
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public enum HealthCheckStatus
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{
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Disabled, Enabled, Undefined
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}
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public enum DiagnosticAlertSeverity
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{
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Info, Warning, Error
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}
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public class HealthCheckSettings
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{
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private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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public HealthCheckStatus Status;
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public int IntervalInDays, TimeOfDay, RetryInterval;
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public DayOfWeek DayOfWeek;
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public string UploadTokenSecretUuid;
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public string NewUploadRequest;
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public string UserNameSecretUuid;
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public string PasswordSecretUuid;
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public string LastSuccessfulUpload;
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public string LastFailedUpload;
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public string DiagnosticTokenSecretUuid;
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public string UploadUuid;
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public DiagnosticAlertSeverity ReportAnalysisSeverity;
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public int ReportAnalysisIssuesDetected;
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public string ReportAnalysisUploadUuid;
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public string ReportAnalysisUploadTime;
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public const int DEFAULT_INTERVAL_IN_DAYS = 14;
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public const int DEFAULT_RETRY_INTERVAL = 7; // in days
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public const int UPLOAD_REQUEST_VALIDITY_INTERVAL = 30; // in minutes
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public const string STATUS = "Enrollment";
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public const string INTERVAL_IN_DAYS = "Schedule.IntervalInDays";
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public const string DAY_OF_WEEK = "Schedule.DayOfWeek";
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public const string TIME_OF_DAY = "Schedule.TimeOfDay";
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public const string RETRY_INTERVAL = "Schedule.RetryInterval";
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public const string UPLOAD_TOKEN_SECRET = "UploadToken.Secret";
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public const string UPLOAD_CREDENTIAL_USER_SECRET = "User.Secret";
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public const string UPLOAD_CREDENTIAL_PASSWORD_SECRET = "Password.Secret";
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public const string UPLOAD_LOCK = "UploadLock";
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public const string LAST_SUCCESSFUL_UPLOAD = "LastSuccessfulUpload";
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public const string LAST_FAILED_UPLOAD = "LastFailedUpload";
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public const string NEW_UPLOAD_REQUEST = "NewUploadRequest";
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public const string HEALTH_CHECK_PIPE = "HealthCheckServicePipe";
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public const string HEALTH_CHECK_PIPE_END_MESSAGE = "HealthCheckServicePipe";
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public const string UPLOAD_UUID = "UploadUuid";
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public const string PROXY_SETTINGS = "ProxySettings";
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public const string XENCENTER_METADATA = "XenCenterMetadata";
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public const string REPORT_TIME_PLACEHOLDER = "@HealthCheckReportTime@";
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public const string DIAGNOSTIC_TOKEN_SECRET = "DiagnosticToken.Secret";
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public const string REPORT_ANALYSIS_SEVERITY = "ReportAnalysis.Severity";
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public const string REPORT_ANALYSIS_ISSUES_DETECTED = "ReportAnalysis.IssuesDetected";
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public const string REPORT_ANALYSIS_UPLOAD_UUID = "ReportAnalysis.UploadUuid";
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public const string REPORT_ANALYSIS_UPLOAD_TIME = "ReportAnalysis.UploadTime";
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private const string REPORT_LINK_DOMAIN_NAME = "https://cis.citrix.com";
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private const string REPORT_LINK_PATH = "AutoSupport/analysis/upload_overview";
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public HealthCheckSettings(Dictionary<string, string> config)
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{
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Status = config == null || !config.ContainsKey(STATUS)
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? HealthCheckStatus.Undefined
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: (BoolKey(config, STATUS) ? HealthCheckStatus.Enabled : HealthCheckStatus.Disabled);
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IntervalInDays = IntKey(config, INTERVAL_IN_DAYS, DEFAULT_INTERVAL_IN_DAYS);
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if (!Enum.TryParse(Get(config, DAY_OF_WEEK), out DayOfWeek))
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DayOfWeek = (DayOfWeek) GetDefaultDay();
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TimeOfDay = IntKey(config, TIME_OF_DAY, GetDefaultTime());
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RetryInterval = IntKey(config, RETRY_INTERVAL, DEFAULT_RETRY_INTERVAL);
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UploadTokenSecretUuid = Get(config, UPLOAD_TOKEN_SECRET);
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DiagnosticTokenSecretUuid = Get(config, DIAGNOSTIC_TOKEN_SECRET);
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NewUploadRequest = Get(config, NEW_UPLOAD_REQUEST);
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UserNameSecretUuid = Get(config, UPLOAD_CREDENTIAL_USER_SECRET);
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PasswordSecretUuid = Get(config, UPLOAD_CREDENTIAL_PASSWORD_SECRET);
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LastSuccessfulUpload = Get(config, LAST_SUCCESSFUL_UPLOAD);
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LastFailedUpload = Get(config, LAST_FAILED_UPLOAD);
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UploadUuid = Get(config, UPLOAD_UUID);
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ReportAnalysisSeverity = StringToDiagnosticAlertSeverity(Get(config, REPORT_ANALYSIS_SEVERITY));
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ReportAnalysisIssuesDetected = IntKey(config, REPORT_ANALYSIS_ISSUES_DETECTED, 0);
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ReportAnalysisUploadUuid = Get(config, REPORT_ANALYSIS_UPLOAD_UUID);
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ReportAnalysisUploadTime = Get(config, REPORT_ANALYSIS_UPLOAD_TIME);
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}
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public Dictionary<string, string> ToDictionary(Dictionary<string, string> baseDictionary)
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{
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var newConfig = baseDictionary == null ? new Dictionary<string, string>() : new Dictionary<string, string>(baseDictionary);
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newConfig[STATUS] = Status == HealthCheckStatus.Enabled ? "true" : "false";
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newConfig[INTERVAL_IN_DAYS] = IntervalInDays.ToString();
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var day = (int) DayOfWeek;
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newConfig[DAY_OF_WEEK] = day.ToString();
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newConfig[TIME_OF_DAY] = TimeOfDay.ToString();
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newConfig[RETRY_INTERVAL] = RetryInterval.ToString();
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newConfig[UPLOAD_TOKEN_SECRET] = UploadTokenSecretUuid;
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newConfig[DIAGNOSTIC_TOKEN_SECRET] = DiagnosticTokenSecretUuid;
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newConfig[NEW_UPLOAD_REQUEST] = NewUploadRequest;
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return newConfig;
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}
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public int IntervalInWeeks { get { return IntervalInDays / 7; } }
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public string StatusDescription
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{
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get
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{
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return Status == HealthCheckStatus.Enabled
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? ReportAnalysisStatus
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: Messages.HEALTHCHECK_STATUS_NOT_ENROLLED;
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}
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}
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public bool CanRequestNewUpload
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{
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get
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{
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if (Status != HealthCheckStatus.Enabled)
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return false;
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var uploadRequestExpiryTime = NewUploadRequestTime.AddMinutes(UPLOAD_REQUEST_VALIDITY_INTERVAL);
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return DateTime.Compare(uploadRequestExpiryTime, DateTime.UtcNow) < 0;
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}
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}
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public DateTime NewUploadRequestTime
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{
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get
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{
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if (!string.IsNullOrEmpty(NewUploadRequest))
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{
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try
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{
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return StringToDateTime(NewUploadRequest);
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}
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catch (Exception exn)
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{
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log.Error("Exception while parsing NewUploadRequest", exn);
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}
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}
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return DateTime.MinValue;
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}
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}
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public string ReportAnalysisStatus
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{
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get
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{
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if (HasAnalysisResult)
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{
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switch (ReportAnalysisIssuesDetected)
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{
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case 0:
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return Messages.HEALTHCHECK_STATUS_NO_ISSUES_FOUND;
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case 1:
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return Messages.HEALTHCHECK_STATUS_ONE_ISSUE_FOUND;
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default:
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return String.Format(Messages.HEALTHCHECK_STATUS_ISSUES_FOUND, ReportAnalysisIssuesDetected);
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}
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}
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return HasUpload ? Messages.HEALTHCHECK_STATUS_NOT_AVAILABLE_YET : Messages.HEALTHCHECK_STATUS_NO_UPLOAD_YET;
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}
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}
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public string GetReportAnalysisLink(string domainName)
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{
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return string.Format("{0}/{1}/{2}", string.IsNullOrEmpty(domainName) ? REPORT_LINK_DOMAIN_NAME : domainName, REPORT_LINK_PATH, ReportAnalysisUploadUuid);
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}
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public bool HasUpload
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{
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get { return !string.IsNullOrEmpty(UploadUuid); }
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}
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public bool HasAnalysisResult
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{
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get { return HasUpload && ReportAnalysisUploadUuid == UploadUuid; }
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}
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public bool HasOldAnalysisResult
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{
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get
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{
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return !HasAnalysisResult && !string.IsNullOrEmpty(ReportAnalysisUploadUuid) &&
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!string.IsNullOrEmpty(ReportAnalysisUploadTime);
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}
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}
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public DateTime LastFailedUploadTime
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{
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get
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{
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DateTime lastFailedUploadTime;
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return !string.IsNullOrEmpty(LastFailedUpload) && TryParseStringToDateTime(LastFailedUpload, out lastFailedUploadTime)
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? lastFailedUploadTime
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: DateTime.MinValue;
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}
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}
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public DateTime LastSuccessfulUploadTime
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{
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get
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{
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DateTime lastSuccessfulUploadTime;
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return !string.IsNullOrEmpty(LastSuccessfulUpload) && TryParseStringToDateTime(LastSuccessfulUpload, out lastSuccessfulUploadTime)
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? lastSuccessfulUploadTime
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: DateTime.MinValue;
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}
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}
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#region Helper functions
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private static T Get<T>(Dictionary<string, T> d, string k) where T : class
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{
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return d != null && d.ContainsKey(k) ? d[k] : null;
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}
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private static bool BoolKey(Dictionary<string, string> d, string k)
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{
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string v = Get(d, k);
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return v == null ? false : v == "true";
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}
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private static int IntKey(Dictionary<string, string> d, string k, int def)
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{
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int result;
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string s = Get(d, k);
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return s != null && int.TryParse(s, out result) ? result : def;
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}
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private static int GetDefaultDay()
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{
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return new Random().Next(1, 7);
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}
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public static int GetDefaultTime()
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{
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return new Random().Next(1, 5);
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}
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public static string DateTimeToString(DateTime dateTime)
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{
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// Round-trip format time
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DateTime rtime = DateTime.SpecifyKind(dateTime, DateTimeKind.Utc);
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return rtime.ToString("o");
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}
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public static DateTime StringToDateTime(string dateTimeString)
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{
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// Round-trip format time
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DateTime dateTime = DateTime.ParseExact(dateTimeString, "o", CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind);
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return dateTime;
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}
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public static bool TryParseStringToDateTime(string dateTimeString, out DateTime dateTime)
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{
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// Round-trip format time
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return DateTime.TryParseExact(dateTimeString, "o", CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind, out dateTime);
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}
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#endregion
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public string GetSecretyInfo(Session session, string secretType)
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{
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string UUID = string.Empty;
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switch (secretType)
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{
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case HealthCheckSettings.UPLOAD_CREDENTIAL_USER_SECRET:
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UUID = UserNameSecretUuid;
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break;
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case HealthCheckSettings.UPLOAD_CREDENTIAL_PASSWORD_SECRET:
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UUID = PasswordSecretUuid;
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break;
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case HealthCheckSettings.UPLOAD_TOKEN_SECRET:
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UUID = UploadTokenSecretUuid;
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break;
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case HealthCheckSettings.DIAGNOSTIC_TOKEN_SECRET:
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UUID = DiagnosticTokenSecretUuid;
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break;
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default:
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log.ErrorFormat("Error getting the {0} from the xapi secret", secretType);
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break;
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}
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if (session == null || string.IsNullOrEmpty(UUID))
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return null;
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try
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{
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string opaqueref = Secret.get_by_uuid(session, UUID);
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return Secret.get_value(session, opaqueref);
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}
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catch (Exception e)
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{
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log.Error("Exception getting the upload token from the xapi secret", e);
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return null;
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}
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}
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public string GetSecretyInfo(IXenConnection connection, string secretType)
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{
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if (connection == null)
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return null;
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return GetSecretyInfo(connection.Session, secretType);
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}
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public bool TryGetExistingTokens(IXenConnection connection, out string uploadToken, out string diagnosticToken)
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{
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uploadToken = null;
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diagnosticToken = null;
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if (connection == null)
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return false;
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uploadToken = GetSecretyInfo(connection, UPLOAD_TOKEN_SECRET);
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diagnosticToken = GetSecretyInfo(connection, DIAGNOSTIC_TOKEN_SECRET);
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if (!String.IsNullOrEmpty(uploadToken) && !String.IsNullOrEmpty(diagnosticToken))
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return true;
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return TryGetExistingTokensFromOtherConnections(connection, out uploadToken, out diagnosticToken);
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}
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private static bool TryGetExistingTokensFromOtherConnections(IXenConnection currentConnection, out string uploadToken, out string diagnosticToken)
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{
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uploadToken = null;
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diagnosticToken = null;
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foreach (var connection in ConnectionsManager.XenConnectionsCopy)
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{
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if (connection == currentConnection || !connection.IsConnected)
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continue;
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var poolOfOne = Helpers.GetPoolOfOne(connection);
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if (poolOfOne != null)
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{
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var healthCheckSettings = poolOfOne.HealthCheckSettings();
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uploadToken = healthCheckSettings.GetSecretyInfo(connection, UPLOAD_TOKEN_SECRET);
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diagnosticToken = healthCheckSettings.GetSecretyInfo(connection, DIAGNOSTIC_TOKEN_SECRET);
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if (!String.IsNullOrEmpty(uploadToken) && !String.IsNullOrEmpty(diagnosticToken))
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return true;
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}
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}
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return false;
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}
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internal static DiagnosticAlertSeverity StringToDiagnosticAlertSeverity(string severity)
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{
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DiagnosticAlertSeverity result;
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if (Enum.TryParse(severity, out result))
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return result;
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return DiagnosticAlertSeverity.Info;
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}
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}
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}
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