/// <summary>
/// Runs the container. Returns the merged contents of stdout/stderr.
/// </summary>
private async Task <ProcessResult> RunContainerAsync(
string containerName,
IDictionary <string, string> environmentVariables)
{
var dockerArgs = GetDockerArguments(containerName, environmentVariables);
var processResult = await _processRunner.RunProcessAsync
(
_hostConfig.DockerLibraryPath,
dockerArgs,
_containerConfig.MaxLifetime
);
await Task.Delay(c_waitForProcessExitDelay);
if (!processResult.Completed)
{
await _operationRunner.RetryOperationIfNeededAsync
(
async() => await _processRunner.RunProcessAsync
(
_hostConfig.DockerLibraryPath,
new[] { $"rm -f {containerName}" },
timeout: null
),
exception => true,
c_killDockerContainerRetryAttempts,
c_retryAttemptDelay,
defaultResultIfFailed : false
);
}
return(processResult);
}
/// <summary>
/// Executes an operation, retrying the operation if an optimistic
/// concurrency exception is encountered.
/// </summary>
private Task RetryOperationIfNeededAsync(
Func <Task> operation)
{
return(_operationRunner.RetryOperationIfNeededAsync
(
operation,
ex => ex is DbUpdateConcurrencyException,
c_numAttempts,
c_delayBetweenAttempts,
defaultResultIfFailed: false
));
}
/// <summary>
/// Executes a GitHub operation, retrying the operation if it
/// fails with an ApiException.
/// </summary>
private async Task <TResult> RetryGitHubOperationIfNeededAsync <TResult>(
Func <Task <TResult> > operation)
{
return(await _operationRunner.RetryOperationIfNeededAsync
(
operation,
ex => ex is ApiException,
c_numAttempts,
c_delayBetweenAttempts,
defaultResultIfFailed : false
));
}