private static async Task BackupContainerMounts(ContainerListResponse container, DockerClient client)
{
Console.WriteLine($"┏━ Starting backup for: {container.Names.First()}");
var fields = ContainerBackupFields.Create(container);
if (!fields.IsValid())
{
Console.WriteLine($"Container {container.ID} is marked for backups, but does not have all required labels");
return;
}
try
{
await client.Containers.PauseContainerAsync(container.ID);
var mountBackupTasks = new List <Task>();
foreach (var mount in container.Mounts)
{
var task = BackupMount(mount, client, fields).ContinueWith(status =>
{
Console.WriteLine($"┗> {mount.Source}:{mount.Destination}");
return(status);
});
mountBackupTasks.Add(task);
}
await Task.WhenAll(mountBackupTasks);
Console.WriteLine(); // add an enter to create distance between containers
}
catch (Exception e)
{
Console.Error.WriteLine($"Error while running backup for container {container.Names.First()}. \n {e.Message}");
}
finally
{
await client.Containers.UnpauseContainerAsync(container.ID);
}
}
private static async Task <Task> BackupMount(MountPoint mount, DockerClient client, ContainerBackupFields fields)
{
var cleanContainerPath = mount.Destination.Replace("/", "_");
var backupContainer = await client.Containers.CreateContainerAsync(new CreateContainerParameters
{
Image = "jorik/docker-mount-backup-tool",
Env = new List <string>
{
$"BACKUP_PROJECT={fields.Project}",
$"BACKUP_ROLE={fields.Role}",
$"BACKUP_CONTAINER_PATH={cleanContainerPath}",
$"AWS_SECRET_ACCESS_KEY={_appSettings.AWSSecretAccessKey}",
$"AWS_ACCESS_KEY_ID={_appSettings.AWSAccessKeyId}"
},
HostConfig = new HostConfig
{
AutoRemove = true,
Binds = new List <string>
{
$"{mount.Source}:/data:ro"
}
}
});
var startResult =
await client.Containers.StartContainerAsync(backupContainer.ID, new ContainerStartParameters());
if (!startResult)
{
Console.Error.WriteLine($"Backup container created but unable to start: {backupContainer.ID}");
return(Task.CompletedTask);
}
return(client.Containers.WaitContainerAsync(backupContainer.ID));
}