add test (but it can't be used yet)

tests/integration/targets/kubernetes/tasks/test_k8s_log.yml

@@ -0,0 +1,87 @@
+---
+- block:
+    - name: ensure that k8s-log namespace exists
+      k8s:
+        kind: Namespace
+        name: k8s-log
+
+    - name: create hello-world deployment
+      k8s:
+        wait: yes
+        definition:
+          apiVersion: apps/v1
+          kind: Deployment
+          metadata:
+            name: hello-world
+            namespace: k8s-log
+          spec:
+            selector:
+              matchLabels:
+                app: hello-world
+            template:
+              metadata:
+                labels:
+                  app: hello-world
+              spec:
+                containers:
+                - image: busybox
+                  name: hello-world
+                  command: ['sh']
+                  args: ['-c', 'while true ; do echo "hello world" && sleep 10 ; done']
+                restartPolicy: Always
+
+    - name: retrieve the log by providing the deployment
+      community.kubernetes.k8s_log:
+        api_version: apps/v1
+        kind: Deployment
+        namespace: k8s-log
+        name: hello-world
+      register: deployment_log
+
+    - name: verify that the log can be retrieved via the deployment
+      assert:
+        that: 
+          - "'hello world' in deployment_log.log"
+          - item == 'hello world' or item == ''
+      with_items: '{{ deployment_log.log_lines }}'
+
+    - name: retrieve the log with a label selector
+      community.kubernetes.k8s_log:
+        namespace: k8s-log
+        label_selectors:
+          - 'app=hello-world'
+      register: label_selector_log
+
+    - name: verify that the log can be retrieved via the label
+      assert:
+        that: 
+          - "'hello world' in label_selector_log.log"
+          - item == 'hello world' or item == ''
+      with_items: '{{ label_selector_log.log_lines }}'
+
+    - name: get the hello-world pod
+      k8s_info:
+        kind: Pod
+        namespace: k8s-log
+        label_selectors:
+          - 'app=hello-world'
+      register: k8s_log_pods
+
+    - name: retrieve the log directly with the pod name
+      community.kubernetes.k8s_log:
+        namespace: k8s-log
+        name: '{{ k8s_log_pods.resources.0.metadata.name }}'
+      register: pod_log
+
+    - name: verify that the log can be retrieved via the pod name
+      assert:
+        that: 
+          - "'hello world' in pod_log.log"
+          - item == 'hello world' or item == ''
+      with_items: '{{ pod_log.log_lines }}'
+  always:
+    - name: ensure that namespace is removed
+      k8s:
+        kind: Namespace
+        name: k8s-log
+        state: absent