Add prepare-kubectl role

This role is used to prepare for kubectl role tests.
It may also be used when any other test needs installed
kubectl, for example when verifying kubernetes cluster
setup.
Both cases are a bit different.

Change-Id: Ie7a065c571d94f40cfd64c3eba78af3e84b3f08a
Issue-ID: OOM-1908
Signed-off-by: Michal Zegan <m.zegan@samsung.com>

2 files changed, 21 insertions, 0 deletions

diff --git a/ansible/test/roles/prepare-kubectl/defaults/main.yml b/ansible/test/roles/prepare-kubectl/defaults/main.yml
new file mode 100644
index 00000000..d4e8ef94
--- /dev/null
+++ b/ansible/test/roles/prepare-kubectl/defaults/main.yml
@@ -0,0 +1,7 @@
+---
+# Set to false to download kubectl in preparation for kubectl role that
+# needs to install it, set to true to immediately install (needed for
+# cases where it is used by verification tests of other roles).
+kubectl_install: false
+# Kubectl version.
+kubectl_version: 1.13.5
diff --git a/ansible/test/roles/prepare-kubectl/tasks/main.yml b/ansible/test/roles/prepare-kubectl/tasks/main.yml
new file mode 100644
index 00000000..b5631850
--- /dev/null
+++ b/ansible/test/roles/prepare-kubectl/tasks/main.yml
@@ -0,0 +1,14 @@
+---
+- name: "Ensure {{ app_data_path }} exists"
+  file:
+    path: "{{ app_data_path }}/downloads"
+    state: directory
+  when: not kubectl_install
+
+- name: "Install kubectl-{{ kubectl_version }}"
+  get_url:
+    url: "https://storage.googleapis.com/kubernetes-release/release/v{{ kubectl_version }}/bin/linux/amd64/kubectl"
+    dest: "{{ '/usr/local/bin/kubectl' if kubectl_install else app_data_path+'/downloads/kubectl' }}"
+    # This mode conditional allows checking if kubectl role, when installing kubectl, correctly
+    # adds executable bit (bonus).
+    mode: "{{ 0755 if kubectl_install else omit }}"