Remove binary file from molecule test suite (#298) (#302)

[backport/2.2] Remove binary file from molecule test suite

SUMMARY

The binary file used to test k8s_cp is causing larger problems
downstream. There's no reason why the binary file needs to function as
all we care about is that the content of the file has not changed during
the copy process. This can be accomplished by comparing file hashes.

ISSUE TYPE


Bugfix Pull Request

COMPONENT NAME

ADDITIONAL INFORMATION


Reviewed-by: Abhijeet Kasurde 
Reviewed-by: None 
(cherry picked from commit fa65698)

Reviewed-by: None <None>

changelogs/fragments/298-remove-binary-file.yaml

@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - remove binary file from k8s_cp test suite (https://github.com/ansible-collections/kubernetes.core/pull/298).

molecule/default/roles/k8scopy/tasks/test_copy_file.yml

@@ -34,50 +34,65 @@
       kubectl_path: "{{ kubectl_path }}"
 
   # Binary file
-  - name: Generate random content
-    set_fact:
-      hello_arg: "{{ lookup('password', '/dev/null chars=ascii_lowercase,digits length=16') }}"
+
+  - name: Create temp binary file
+    tempfile:
+      state: file
+    register: binfile
+
+  - name: Generate random binary content
+    command: dd if=/dev/urandom of={{ binfile.path }} bs=1M count=1
 
   - name: Copy executable into Pod
     k8s_cp:
       namespace: '{{ copy_namespace }}'
       pod: '{{ pod_with_one_container.name }}'
       remote_path: /tmp/hello.exe
-      local_path: files/hello
+      local_path: "{{ binfile.path }}"
       state: to_pod
 
-  - name: Compare executable
-    kubectl_file_compare:
-      namespace: '{{ copy_namespace }}'
-      pod: '{{ pod_with_one_container.name }}'
-      remote_path: /tmp/hello.exe
-      local_path: "{{ role_path }}/files/hello"
-      kubectl_path: "{{ kubectl_path }}"
-      args:
-      - "{{ hello_arg }}"
+  - name: Get remote hash
+    kubernetes.core.k8s_exec:
+      namespace: "{{ copy_namespace }}"
+      pod: "{{ pod_with_one_container.name }}"
+      command: sha256sum -b /tmp/hello.exe
+    register: remote_hash
+
+  - name: Get local hash
+    command: sha256sum -b {{ binfile.path }}
+    register: local_hash
+
+  - assert:
+      that:
+      - remote_hash.stdout.split()[0] == local_hash.stdout.split()[0]
+
+  - name: Generate tempfile
+    tempfile:
+      state: file
+    register: binfile
 
   - name: Copy executable from Pod
     k8s_cp:
       namespace: '{{ copy_namespace }}'
       pod: '{{ pod_with_one_container.name }}'
       remote_path: /tmp/hello.exe
-      local_path: /tmp/hello
+      local_path: "{{ binfile.path }}"
       state: from_pod
 
-  - name: update executable permission
-    file:
-      path: /tmp/hello
-      mode: '0755'
+  - name: Get remote hash
+    kubernetes.core.k8s_exec:
+      namespace: "{{ copy_namespace }}"
+      pod: "{{ pod_with_one_container.name }}"
+      command: sha256sum -b /tmp/hello.exe
+    register: remote_hash
 
-  - name: Compare executable
-    kubectl_file_compare:
-      namespace: '{{ copy_namespace }}'
-      pod: '{{ pod_with_one_container.name }}'
-      remote_path: /tmp/hello.exe
-      local_path: /tmp/hello
-      kubectl_path: "{{ kubectl_path }}"
-      args:
-      - "{{ hello_arg }}"
+  - name: Get local hash
+    command: sha256sum -b {{ binfile.path }}
+    register: local_hash
+
+  - assert:
+      that:
+      - remote_hash.stdout.split()[0] == local_hash.stdout.split()[0]
 
   # zip files
   - name: copy zip file into remote pod