/// <summary>
/// Parses the output of the script when executed in DryRun mode and finds out Primary and Legacy urls.
/// </summary>
/// <param name="output">Output of the script execution in DryRun mode</param>
/// <returns>Object containing primary and legacy runs</returns>
public static ScriptDryRunResult ParseDryRunOutput(string?output)
{
string primaryUrlIdentifier = "Primary named payload URL: ";
string legacyUrlIdentifier = "Legacy named payload URL: ";
ScriptDryRunResult result = new ScriptDryRunResult();
using StringStream stringStream = new StringStream(output);
using StreamReader streamReader = new StreamReader(stringStream);
string?line;
while ((line = streamReader.ReadLine()) != null)
{
// Does this line contain the primary url?
int primaryIdIndex = line.IndexOf(primaryUrlIdentifier);
if (primaryIdIndex != -1)
{
result.PrimaryUrl = line.Substring(primaryIdIndex + primaryUrlIdentifier.Length);
}
else
{
// Does this line contain the legacy url?
int legacyIdIndex = line.IndexOf(legacyUrlIdentifier);
if (legacyIdIndex != -1)
{
result.LegacyUrl = line.Substring(legacyIdIndex + legacyUrlIdentifier.Length);
}
}
}
return(result);
}
/// <summary>
/// Executes the Ps1 script with DryDun switch,
/// Parses the output to acquire primary and legacy Urls,
/// Tests the primary Url to see if it is available,
/// Reports the results to the data service provided.
/// </summary>
internal static async Task ExecuteDryRunCheckAndReportUrlAccessAsync(ILogger log, string monitorName, string additionalCmdArgs,
CancellationToken cancellationToken = default)
{
string commandLineArgs = $"-DryRun {additionalCmdArgs}";
using IDataService dataService = new DataServiceFactory().GetDataService();
// Execute the script;
ScriptExecutionResult results = await InstallScriptRunner.ExecuteInstallScriptAsync(commandLineArgs).ConfigureAwait(false);
string scriptName = results.ScriptName;
log.LogInformation($"Ouput stream: {results.Output}");
if (!string.IsNullOrWhiteSpace(results.Error))
{
log.LogError($"Error stream: {results.Error}");
await dataService.ReportScriptExecutionAsync(monitorName, scriptName, commandLineArgs, results.Error, cancellationToken)
.ConfigureAwait(false);
return;
}
// Parse the output
ScriptDryRunResult dryRunResults = InstallScriptRunner.ParseDryRunOutput(results.Output);
if (string.IsNullOrWhiteSpace(dryRunResults.PrimaryUrl))
{
log.LogError($"Primary Url was not found for channel {additionalCmdArgs}");
await dataService.ReportScriptExecutionAsync(monitorName, scriptName, commandLineArgs,
"Failed to parse primary url from the following DryRun execution output: " + results.Output
, cancellationToken).ConfigureAwait(false);
return;
}
// Validate URL accessibility
await HelperMethods.CheckAndReportUrlAccessAsync(log, monitorName, dryRunResults.PrimaryUrl, dataService);
}