From 63622118601d610e75d90398f4b952f2cc1ec7d1 Mon Sep 17 00:00:00 2001
From: Rong Zhang <rongzhang@alauda.io>
Date: Wed, 19 Dec 2018 21:17:58 +0800
Subject: [PATCH] Add images downloader to download roles (#3914)

* Add images downloader to download roles

* Use single jinja2 templates

* add kube_version to templates
---
 roles/download/tasks/kubeadm_images.yml         |  7 +++++++
 roles/download/tasks/main.yml                   |  5 +++++
 roles/download/templates/kubeadm-images.yaml.j2 | 16 ++++++++++++++++
 3 files changed, 28 insertions(+)
 create mode 100644 roles/download/tasks/kubeadm_images.yml
 create mode 100644 roles/download/templates/kubeadm-images.yaml.j2

diff --git a/roles/download/tasks/kubeadm_images.yml b/roles/download/tasks/kubeadm_images.yml
new file mode 100644
index 000000000..4ed068b91
--- /dev/null
+++ b/roles/download/tasks/kubeadm_images.yml
@@ -0,0 +1,7 @@
+- name: kubeadm | Create kubeadm config
+  template:
+    src: "kubeadm-images.yaml.j2"
+    dest: "{{ kube_config_dir }}/kubeadm-images.yaml"
+
+- name: container_download | download images for kubeadm config images
+  command: "{{ local_release_dir }}/kubeadm config images pull --config={{ kube_config_dir }}/kubeadm-images.yaml"
diff --git a/roles/download/tasks/main.yml b/roles/download/tasks/main.yml
index efef4e483..2100519fb 100644
--- a/roles/download/tasks/main.yml
+++ b/roles/download/tasks/main.yml
@@ -24,3 +24,8 @@
     - item.value.container | default(false)
     - download_run_once
     - group_names | intersect(download.groups) | length
+
+- include_tasks: kubeadm_images.yml
+  when:
+    - not skip_downloads|default(false)
+    - inventory_hostname in groups['kube-master']
diff --git a/roles/download/templates/kubeadm-images.yaml.j2 b/roles/download/templates/kubeadm-images.yaml.j2
new file mode 100644
index 000000000..f15fe0fef
--- /dev/null
+++ b/roles/download/templates/kubeadm-images.yaml.j2
@@ -0,0 +1,16 @@
+{% if kube_version is version('v1.11.0', '<') %}
+apiVersion: kubeadm.k8s.io/v1alpha1
+{% elif kube_version is version('v1.11.0', '>=') and kube_version is version('v1.12.0', '<') %}
+apiVersion: kubeadm.k8s.io/v1alpha2
+{% elif kube_version is version('v1.12.0', '>=') and kube_version is version('v1.13.0', '<') %}
+apiVersion: kubeadm.k8s.io/v1alpha3
+{% else %}
+apiVersion: kubeadm.k8s.io/v1beta1
+{% endif %}
+{% if kube_version is version('v1.12.0', '<') %}
+kind: MasterConfiguration
+{% else %}
+kind: ClusterConfiguration
+{% endif %}
+imageRepository: {{ kube_image_repo }}
+kubernetesVersion: {{ kube_version }}