Create a provider to use Azure Batch (#133)

* Started work on provider

* WIP Adding batch provider

* Working basic call into pool client. Need to parameterize the baseurl

* Fixed job creation by manipulating the content-type

* WIP Kicking off containers. Dirty

* [wip] More meat around scheduling simple containers.

* Working on basic task wrapper to co-schedule pods

* WIP on task wrapper

* WIP

* Working pod minimal wrapper for batch

* Integrate pod template code into provider

* Cleaning up

* Move to docker without gpu

* WIP batch integration

* partially working

* Working logs

* Tidy code

* WIP: Testing and readme

* Added readme and terraform deployment for GPU Azure Batch pool.

* Update to enable low priority nodes for gpu

* Fix log formatting bug. Return node logs when container not yet started

* Moved to golang v1.10

* Fix cri test

* Fix up minor docs Issue. Add provider to readme. Add var for vk image.

providers/azurebatch/deployment/main.tf

@@ -0,0 +1,53 @@
+resource "azurerm_resource_group" "batchrg" {
+  name     = "${var.resource_group_name}"
+  location = "${var.resource_group_location}"
+}
+
+module "aks" {
+  source = "aks"
+
+  //Defaults to using current ssh key: recomend changing as needed
+  linux_admin_username      = "aks"
+  linux_admin_ssh_publickey = "${file("~/.ssh/id_rsa.pub")}"
+
+  client_id     = "${var.client_id}"
+  client_secret = "${var.client_secret}"
+
+  resource_group_name     = "${azurerm_resource_group.batchrg.name}"
+  resource_group_location = "${azurerm_resource_group.batchrg.location}"
+}
+
+module "storage" {
+  source                     = "storage"
+  pool_bootstrap_script_path = "./scripts/poolstartup.sh"
+
+  resource_group_name     = "${azurerm_resource_group.batchrg.name}"
+  resource_group_location = "${azurerm_resource_group.batchrg.location}"
+}
+
+module "azurebatch" {
+  source = "azurebatch"
+
+  storage_account_id        = "${module.storage.id}"
+  pool_bootstrap_script_url = "${module.storage.pool_boostrap_script_url}"
+
+  resource_group_name     = "${azurerm_resource_group.batchrg.name}"
+  resource_group_location = "${azurerm_resource_group.batchrg.location}"
+
+  dedicated_node_count    = 1
+  low_priority_node_count = 2
+}
+
+module "virtualkubelet" {
+  source                      = "virtualkubelet"
+  virtualkubelet_docker_image = "${var.virtualkubelet_docker_image}"
+
+  cluster_client_key         = "${module.aks.cluster_client_key}"
+  cluster_client_certificate = "${module.aks.cluster_client_certificate}"
+  cluster_ca                 = "${module.aks.cluster_ca}"
+  cluster_host               = "${module.aks.host}"
+
+  azure_batch_account_name = "${module.azurebatch.name}"
+
+  resource_group_location = "${azurerm_resource_group.batchrg.location}"
+}