Add hcloud_image_facts module (#53849)

test/integration/targets/hcloud_image_facts/aliases

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+cloud/hcloud
+unsupported

test/integration/targets/hcloud_image_facts/defaults/main.yml

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+# Copyright: (c) 2019, Hetzner Cloud GmbH <info@hetzner-cloud.de>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+---
+hcloud_prefix: "tests"
+hcloud_test_image_name: "always-there-snapshot"
+hcloud_test_image_id: 3439221

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

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+# Copyright: (c) 2019, Hetzner Cloud GmbH <info@hetzner-cloud.de>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+---
+- name: test gather hcloud image facts with type system
+  hcloud_image_facts:
+- name: verify test gather hcloud image facts in check mode
+  assert:
+    that:
+      - ansible_facts.hcloud_image_facts| list | count > 2
+
+- name: test gather hcloud image facts in check mode
+  hcloud_image_facts:
+  check_mode: yes
+
+- name: verify test gather hcloud image facts in check mode
+  assert:
+    that:
+      - ansible_facts.hcloud_image_facts| list | count > 2
+
+
+- name: test gather hcloud image facts with correct label selector
+  hcloud_image_facts:
+    label_selector: "key=value"
+    type: snapshot
+- name: verify test gather hcloud image with correct label selector
+  assert:
+    that:
+      - ansible_facts.hcloud_image_facts|selectattr('description','equalto','{{ hcloud_test_image_name }}') | list | count == 1
+
+- name: test gather hcloud image facts with wrong label selector
+  hcloud_image_facts:
+    label_selector: "key!=value"
+    type: snapshot
+- name: verify test gather hcloud image with wrong label selector
+  assert:
+    that:
+      - ansible_facts.hcloud_image_facts | list | count == 0
+
+- name: test gather hcloud image facts with correct id
+  hcloud_image_facts:
+    id: "{{hcloud_test_image_id}}"
+    type: snapshot
+- name: verify test gather hcloud image with correct id
+  assert:
+    that:
+      - ansible_facts.hcloud_image_facts|selectattr('description','equalto','{{ hcloud_test_image_name }}') | list | count == 1
+
+- name: test gather hcloud image facts with wrong id
+  hcloud_image_facts:
+      id: "{{hcloud_test_image_id}}1"
+      type: snapshot
+- name: verify test gather hcloud image with wrong id
+  assert:
+    that:
+      - ansible_facts.hcloud_image_facts | list | count == 0