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/aks/main.tf

@@ -0,0 +1,59 @@
+resource "random_id" "workspace" {
+  keepers = {
+    # Generate a new id each time we switch to a new resource group
+    group_name = "${var.resource_group_name}"
+  }
+
+  byte_length = 8
+}
+
+#an attempt to keep the AKS name (and dns label) somewhat unique
+resource "random_integer" "random_int" {
+  min = 100
+  max = 999
+}
+
+resource "azurerm_kubernetes_cluster" "aks" {
+  name       = "aks-${random_integer.random_int.result}"
+  location   = "${var.resource_group_location}"
+  dns_prefix = "aks-${random_integer.random_int.result}"
+
+  resource_group_name = "${var.resource_group_name}"
+  kubernetes_version  = "1.9.2"
+
+  linux_profile {
+    admin_username = "${var.linux_admin_username}"
+
+    ssh_key {
+      key_data = "${var.linux_admin_ssh_publickey}"
+    }
+  }
+
+  agent_pool_profile {
+    name    = "agentpool"
+    count   = "2"
+    vm_size = "Standard_DS2_v2"
+    os_type = "Linux"
+  }
+
+  service_principal {
+    client_id     = "${var.client_id}"
+    client_secret = "${var.client_secret}"
+  }
+}
+
+output "cluster_client_certificate" {
+  value = "${base64decode(azurerm_kubernetes_cluster.aks.kube_config.0.client_certificate)}"
+}
+
+output "cluster_client_key" {
+  value = "${base64decode(azurerm_kubernetes_cluster.aks.kube_config.0.client_key)}"
+}
+
+output "cluster_ca" {
+  value = "${base64decode(azurerm_kubernetes_cluster.aks.kube_config.0.cluster_ca_certificate)}"
+}
+
+output "host" {
+  value = "${azurerm_kubernetes_cluster.aks.kube_config.0.host}"
+}