public static Task <string> EnsureContainerIsRunning(
DockerClient client,
IEnsureContainerIsRunningContext context,
CancellationToken token)
{
return(EnsureContainerIsRunningInternal(client, context, token));
}
private static async Task <string> EnsureContainerIsRunningInternal(
DockerClient client,
IEnsureContainerIsRunningContext context,
CancellationToken token)
{
string id = null;
async Task <bool> IsContainerRunning(string identity)
{
var d = await client.Containers.InspectContainerAsync(identity, token);
return(d.State.Running);
}
async Task <ContainerListResponse> GetContainer()
{
var containers = await client.Containers.ListContainersAsync(
new ContainersListParameters()
{
All = true,
}, token);
return(context.GetContainer(containers));
}
var listContainer = await GetContainer();
if (listContainer != null && await IsContainerRunning(listContainer.ID))
{
return(listContainer.ID);
}
if (listContainer != null)
{
id = listContainer.ID;
}
else
{
do
{
if (listContainer == null)
{
try
{
var createImageParams = context.CreateImage(new ImagesCreateParameters());
await client.Images.CreateImageAsync(
createImageParams,
new AuthConfig()
{
ServerAddress = "hub.docker.com",
},
new Progress <JSONMessage>(),
token
);
var createParams = context.CreateContainer(new CreateContainerParameters());
var container = await client.Containers.CreateContainerAsync(createParams, token);
id = container.ID;
}
catch
{
listContainer = await GetContainer();
}
}
id = listContainer?.ID;
token.ThrowIfCancellationRequested();
} while (string.IsNullOrEmpty(id));
}
if (!await IsContainerRunning(id))
{
await client.Containers.StartContainerAsync(id,
context.StartContainer(new ContainerStartParameters()), token);
}
return(id);
}
