[k8s] allow user to pass list of resources in to definition parameter (#42377)

* allow user to pass list of resources in to definition parameter

* Add new validator for list|dict|string

* use string_types instead of string

* state/force information is lost after the first item in the list

* Add tests

* Appease ansibot

test/integration/targets/k8s/tasks/main.yml

@@ -2,6 +2,10 @@
   pip:
     name: openshift
 
+# TODO: This is the only way I could get the kubeconfig, I don't know why. Running the lookup outside of debug seems to return an empty string
+- debug: msg={{ lookup('env', 'K8S_AUTH_KUBECONFIG') }}
+  register: kubeconfig
+
 # Kubernetes resources
 - name: Create a namespace
   k8s:
@@ -9,6 +13,8 @@
     kind: namespace
   register: output
 
+- debug: msg={{ lookup("k8s", kind="Namespace", api_version="v1", resource_name='testing', kubeconfig=kubeconfig.msg) }}
+
 - name: show output
   debug:
     var: output
@@ -188,3 +194,103 @@
 - name: DC creation should be idempotent
   assert:
     that: not output.changed
+
+### Type tests
+- name: Create a namespace from a string
+  k8s:
+    definition: |+
+      ---
+      kind: Namespace
+      apiVersion: v1
+      metadata:
+        name: testing1
+
+- name: Namespace should exist
+  assert:
+    that: '{{ lookup("k8s", kind="Namespace", api_version="v1", resource_name="testing1", kubeconfig=kubeconfig.msg).status.phase == "Active" }}'
+
+- name: Create resources from a multidocument yaml string
+  k8s:
+    definition: |+
+      ---
+      kind: Namespace
+      apiVersion: v1
+      metadata:
+        name: testing2
+      ---
+      kind: Namespace
+      apiVersion: v1
+      metadata:
+        name: testing3
+
+- name: Resources should exist
+  assert:
+    that: lookup("k8s", kind="Namespace", api_version="v1", resource_name=item, kubeconfig=kubeconfig.msg).status.phase == "Active"
+  loop:
+    - testing2
+    - testing3
+
+- name: Delete resources from a multidocument yaml string
+  k8s:
+    state: absent
+    definition: |+
+      ---
+      kind: Namespace
+      apiVersion: v1
+      metadata:
+        name: testing2
+      ---
+      kind: Namespace
+      apiVersion: v1
+      metadata:
+        name: testing3
+
+- name: Resources should not exist
+  assert:
+    that: not ns or ns.status.phase == "Terminating"
+  loop:
+    - testing2
+    - testing3
+  vars:
+    ns: '{{ lookup("k8s", kind="Namespace", api_version="v1", resource_name=item, kubeconfig=kubeconfig.msg) }}'
+
+- name: Create resources from a list
+  k8s:
+    definition:
+      - kind: Namespace
+        apiVersion: v1
+        metadata:
+          name: testing4
+      - kind: Namespace
+        apiVersion: v1
+        metadata:
+          name: testing5
+
+- name: Resources should exist
+  assert:
+    that: lookup("k8s", kind="Namespace", api_version="v1", resource_name=item, kubeconfig=kubeconfig.msg).status.phase == "Active"
+  loop:
+    - testing4
+    - testing5
+
+- name: Delete resources from a list
+  k8s:
+    state: absent
+    definition:
+      - kind: Namespace
+        apiVersion: v1
+        metadata:
+          name: testing4
+      - kind: Namespace
+        apiVersion: v1
+        metadata:
+          name: testing5
+
+- name: Resources should not exist
+  assert:
+    that: not ns or ns.status.phase == "Terminating"
+  loop:
+    - testing4
+    - testing5
+  vars:
+    ns: '{{ lookup("k8s", kind="Namespace", api_version="v1", resource_name=item, kubeconfig=kubeconfig.msg) }}'