Adding podman_copy with tests

ci/playbooks/containers/podman_copy.yml

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+---
+- hosts: all
+  gather_facts: true
+  tasks:
+    - include_role:
+        name: podman_copy
+      vars:
+        ansible_python_interpreter: "{{ _ansible_python_interpreter }}"

plugins/modules/podman_copy.py

@@ -0,0 +1,151 @@
+#!/usr/bin/python
+# coding: utf-8 -*-
+
+# Copyright (c) 2021, Sagi Shnaidman <[email protected]>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+DOCUMENTATION = r'''
+module: podman_copy
+short_description: Copy from/to containers
+author: Thomas Dilasser (@DilasserT)
+description:
+  - podman copies files from/to the container from/to the local machine.
+options:
+  path:
+    description:
+    - Filesystem path.
+    type: str
+    required: true
+  container_path:
+    description:
+    - Path inside the container
+    type: str
+    required: true
+  into_container:
+    description:
+    - Copy in the container.
+    type: bool
+  from_container:
+    description:
+    - Copy from the container.
+    type: bool
+  container:
+    description:
+    - container name.
+    type: str
+    required: true
+  force:
+    description:
+    - Overwrite file if it exists.
+    type: bool
+    default: false
+  executable:
+    description:
+      - Path to C(podman) executable if it is not in the C($PATH) on the
+        machine running C(podman)
+    default: 'podman'
+    type: str
+requirements:
+  - "Podman installed on host"
+'''
+
+RETURN = '''
+'''
+
+EXAMPLES = '''
+# What modules does for example
+- containers.podman.podman_copy:
+    path: /path/to/file
+    container_path: /path/to/file/in/container
+    container: container-name
+    from_container: true
+- containers.podman.podman_copy:
+    path: /path/to/file
+    container_path: /path/to/file/in/container
+    container: container-name
+    into_container: true
+'''
+
+import os  # noqa: E402
+import json
+from ansible.module_utils.basic import AnsibleModule  # noqa: E402
+
+
+def copy(module, executable):
+    changed = True
+    command = [executable, 'cp']
+    container_name = module.params['container']
+    if module.params['into_container']:
+        command += [module.params['path']]
+        command += [module.params['container'] + ":" + module.params['container_path']]
+        command_inspect = [executable, 'container', 'inspect']
+        command_inspect.extend([container_name])
+        rc, out, err = module.run_command(command_inspect)
+        if rc != 0:
+            module.fail_json(msg="Unable to gather info for %s: %s" % (",".join(module.params['container']), err))
+        else:
+            json_out = json.loads(out) if out else None
+            if json_out is None:
+                module.fail_json(msg="Unable to gather info for %s: %s" % (",".join(module.params['container']), err))
+
+        full_path = json_out[0]['GraphDriver']['Data']['MergedDir']
+        if module.params['path'][0] == "/":
+            full_path += module.params['container_path']
+        else:
+            full_path += "/"
+            full_path += module.params['container_path']
+
+        if os.path.exists(full_path) and not module.params['force']:
+            changed = False
+            return changed, '', ''
+
+    else:
+        command += [module.params['container'] + ":" + module.params['container_path']]
+        command += [module.params['path']]
+        if os.path.exists(module.params['path']) and not module.params['force']:
+            changed = False
+            return changed, '', ''
+
+    rc, out, err = module.run_command(command)
+    if rc != 0:
+        module.fail_json(msg="Error during copy %s: %s" % (
+                         module.params['container'], err))
+    return changed, out, err
+
+
+def main():
+    module = AnsibleModule(
+        argument_spec=dict(
+            path=dict(type='str', required=True),
+            container_path=dict(type='str', required=True),
+            container=dict(type='str', required=True),
+            into_container=dict(type='bool'),
+            from_container=dict(type='bool'),
+            force=dict(type='bool', default=False),
+            executable=dict(type='str', default='podman')
+        ),
+        supports_check_mode=True,
+        mutually_exclusive=[
+            ('from_container', 'into_container'),
+        ],
+        required_one_of=[
+            ('from_container', 'into_container'),
+        ],
+    )
+
+    executable = module.get_bin_path(module.params['executable'], required=True)
+    changed, out, err = copy(module, executable)
+
+    results = {
+        "changed": changed,
+        "stdout": out,
+        "stderr": err,
+    }
+    module.exit_json(**results)
+
+
+if __name__ == '__main__':
+    main()

tests/integration/targets/podman_copy/tasks/main.yaml

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+---
+- name: Test podman copy
+  block:
+  - name: run container
+    containers.podman.podman_container:
+      name: container
+      image: alpine:3.7
+      state: started 
+      command: sleep 1d
+
+  - name: Create test file
+    file:
+      path: /tmp/podman_copy.txt
+      state: touch
+
+  - name: Get container info
+    containers.podman.podman_container_info:
+      name: container
+    register: cntr_info
+
+  - name: Copy into container
+    containers.podman.podman_copy:
+      path: '/tmp/podman_copy.txt'
+      container_path: '/podman_copy.txt'
+      container: container
+      into_container: true
+    register: copy1
+
+  - name: Check first copy
+    assert:
+      that: 
+        - copy1 is success
+        - copy1 is changed
+
+  - name: Stat file in container 
+    stat:
+      path: "{{ cntr_info['containers'][0]['GraphDriver']['Data']['MergedDir'] }}/podman_copy.txt"
+    register: file_check
+
+  - name: Check file is in container
+    assert:
+      that: 
+        - file_check.stat.islnk is defined
+
+  - name: Check file in container
+    assert:
+      that: 
+        - copy1 is success
+
+  - name: Copy into container without force
+    containers.podman.podman_copy:
+      path: '/tmp/podman_copy.txt'
+      container_path: '/podman_copy.txt'
+      container: container
+      into_container: true
+    register: copy2
+
+  - name: Check second copy
+    assert:
+      that: 
+        - copy2 is success
+        - copy2 is not changed
+
+  - name: Copy into container (forced)
+    containers.podman.podman_copy:
+      path: '/tmp/podman_copy.txt'
+      container_path: '/podman_copy.txt'
+      container: container
+      force: true
+      into_container: true
+    register: copy3
+
+  - name: Check third copy
+    assert:
+      that: 
+        - copy3 is success
+        - copy3 is changed
+
+  - name: Copy from container
+    containers.podman.podman_copy:
+      path: '/tmp/podman_copy_from.txt'
+      container_path: '/podman_copy.txt'
+      container: container
+      from_container: true
+    register: copy4
+
+  - name: Stat file in /tmp 
+    stat:
+      path: "/tmp/podman_copy_from.txt"
+    register: file_check
+
+  - name: Check file is in container
+    assert:
+      that: 
+        - file_check.stat.islnk is defined
+
+  - name: Check file in container
+    assert:
+      that: 
+        - copy1 is success
+
+  - name: Check fourth copy
+    assert:
+      that: 
+        - copy4 is success
+        - copy4 is changed
+
+  - name: Copy from container without force
+    containers.podman.podman_copy:
+      path: '/tmp/podman_copy_from.txt'
+      container_path: '/podman_copy.txt'
+      container: container
+      from_container: true
+    register: copy5
+
+  - name: Check fifth copy
+    assert:
+      that: 
+        - copy5 is success
+        - copy5 is not changed
+
+  - name: Copy from container (forced)
+    containers.podman.podman_copy:
+      path: '/tmp/podman_copy_from.txt'
+      container_path: '/podman_copy.txt'
+      container: container
+      force: true
+      from_container: true
+    register: copy6
+
+  - name: Check sixth copy
+    assert:
+      that: 
+        - copy6 is success
+        - copy6 is changed
+
+  always:
+    - name: stop container
+      containers.podman.podman_container:
+        state: absent
+        name: container
+    - name: Clean up test file
+      file:
+        path: /tmp/podman_copy.txt
+        state: absent
+    - name: Clean up test file
+      file:
+        path: /tmp/podman_copy_from.txt
+        state: absent