Ansible: Role cleanup

+ Separate and reuse role (better naming)
+ Cleanup in naming
+ Introduce defaults that can be overriden

Signed-off-by: Peter Mikus <pmikus@cisco.com>
Change-Id: Iedaf7caba1d05a35a6f61cd21a483cdbc0073d32

3 files changed, 63 insertions, 0 deletions

diff --git a/resources/tools/testbed-setup/ansible/roles/kubernetes/defaults/main.yaml b/resources/tools/testbed-setup/ansible/roles/kubernetes/defaults/main.yaml
new file mode 100644
index 0000000000..ed936e5da5
--- /dev/null
+++ b/resources/tools/testbed-setup/ansible/roles/kubernetes/defaults/main.yaml
@@ -0,0 +1,12 @@
+# Version options.
+kubernetes_version: '1.11.0-00'
+kubernetes_apt_package_state: present
+
+# Service options.
+kubernetes_service_state: started
+kubernetes_service_enabled: true
+kubernetes_restart_handler_state: restarted
+
+# APT options.
+kubernetes_apt_repository: 'deb http://apt.kubernetes.io/ kubernetes-xenial main'
+kubernetes_apt_repository_state: present
diff --git a/resources/tools/testbed-setup/ansible/roles/kubernetes/tasks/main.yaml b/resources/tools/testbed-setup/ansible/roles/kubernetes/tasks/main.yaml
new file mode 100644
index 0000000000..160ffb8c06
--- /dev/null
+++ b/resources/tools/testbed-setup/ansible/roles/kubernetes/tasks/main.yaml
@@ -0,0 +1,14 @@
+---
+# file: roles/kubernetes/tasks/main.yaml
+
+- name: Kubernetes - Install distribution - release - machine prerequisites
+  include_tasks: '{{ ansible_distribution|lower }}_{{ ansible_distribution_release }}.yaml'
+  tags: install-kubernetes
+
+- name: Kubernetes - Apply kubelet parameter
+  lineinfile:
+    path: '/etc/default/kubelet'
+    state: 'present'
+    regexp: '^KUBELET_EXTRA_ARGS=*'
+    line: 'KUBELET_EXTRA_ARGS=--feature-gates HugePages=false'
+  tags: install-kubernetes
diff --git a/resources/tools/testbed-setup/ansible/roles/kubernetes/tasks/ubuntu_bionic.yaml b/resources/tools/testbed-setup/ansible/roles/kubernetes/tasks/ubuntu_bionic.yaml
new file mode 100644
index 0000000000..ddb885f6ee
--- /dev/null
+++ b/resources/tools/testbed-setup/ansible/roles/kubernetes/tasks/ubuntu_bionic.yaml
@@ -0,0 +1,37 @@
+---
+# file: roles/kubernetes/tasks/ubuntu_bionic.yaml
+
+- name: Kubernetes repository - Dependencies
+  apt:
+    name:
+      - 'apt-transport-https'
+      - 'ca-certificates'
+      - 'software-properties-common'
+    state: 'present'
+    cache_valid_time: 3600
+    install_recommends: False
+  tags: install-kubernetes
+
+- name: Kubernetes repository - Add an Apt signing key
+  apt_key:
+    url: 'https://packages.cloud.google.com/apt/doc/apt-key.gpg'
+    state: 'present'
+  tags: install-kubernetes
+
+- name: Kubernetes repository - Install APT repository
+  apt_repository:
+    repo: '{{ kubernetes_apt_repository }}'
+    state: '{{ kubernetes_apt_repository_state }}'
+    update_cache: True
+  tags: install-kubernetes
+
+- name: Kubernetes - Install
+  apt:
+    name:
+      - 'kubernetes-cni=0.6.0-00'
+      - 'kubeadm={{ kubernetes_version }}'
+      - 'kubectl={{ kubernetes_version }}'
+      - 'kubelet={{ kubernetes_version }}'
+    state: '{{ kubernetes_apt_package_state }}'
+    force: True
+  tags: install-kubernetes