k8s_drain new module (#141)

k8s_drain new module

SUMMARY

new module to drain, cordon or uncordon node from k8s cluster.
#141

ISSUE TYPE


New Module Pull Request

COMPONENT NAME

k8s_drain

Reviewed-by: Abhijeet Kasurde <None>
Reviewed-by: None <None>
Reviewed-by: Mike Graves <mgraves@redhat.com>
Reviewed-by: None <None>

molecule/default/prepare.yml

@@ -6,45 +6,7 @@
   collections:
     - kubernetes.core
 
-  vars:
-    node_taints:
-      - "node.kubernetes.io/not-ready"
-      - "node.kubernetes.io/unreachable"
-      - "node.kubernetes.io/unschedulable"
-    kind_bin_path: "/usr/local/bin/kind"
-
   tasks:
-    # We are spawning k8s cluster using kind executable and we ensure that the cluster is up
-    # and node is ready, if this is not validated we may face issue later on when running tests
-    - name: Check if kind binary is available or not
-      stat:
-        path: "{{ kind_bin_path }}"
-      register: r
-
-    - name: Download kind if not available
-      get_url:
-        url: https://kind.sigs.k8s.io/dl/v0.11.1/kind-linux-amd64
-        dest: "{{ kind_bin_path }}"
-      when: not r.stat.exists
-
-    - name: Make kind executable
-      file:
-        path: "{{ kind_bin_path }}"
-        mode: '0755'
-
-    - name: Check if Kind cluster exists
-      command: "{{ kind_bin_path }} get clusters"
-      register: r
-      ignore_errors: true
-
-    - name: Create cluster
-      command: "{{ kind_bin_path }} create cluster"
-      when: r.stdout == ''
-
-    - name: Assert that nodes are ready
-      k8s_info:
-        kind: Node
-      retries: 10
-      delay: 30
-      register: nodes
-      until: nodes.resources | selectattr("spec.taints", "defined") |  map(attribute="spec.taints") | list | length == 0
+    - name: Include drain.yml
+      include_tasks:
+        file: tasks/drain.yml