Adding integration test for dynamic inventory plugin

Signed-off-by: Jorge Gallegos <jgallego@redhat.com>

tests/integration/targets/inventory_gce/aliases

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+cloud/gcp

tests/integration/targets/inventory_gce/playbooks/setup.yml

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+---
+- name: Setup test suite
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  vars_files:
+    - vars.yml
+  tasks:
+    - name: SETUP | Create network
+      google.cloud.gcp_compute_network:
+        name: "{{ prefix }}"
+        project: "{{ gcp_project }}"
+        auth_kind: "{{ gcp_cred_kind }}"
+        service_account_file: "{{ gcp_cred_file }}"
+        auto_create_subnetworks: true
+        state: present
+      register: _network
+
+    - name: SETUP | Create disks
+      google.cloud.gcp_compute_disk:
+        name: "{{ prefix }}-{{ item.name }}"
+        size_gb: 20
+        zone: "{{ gcp_zone }}"
+        project: "{{ gcp_project }}"
+        service_account_file: "{{ gcp_cred_file }}"
+        source_image: "{{ gcp_disk_image }}"
+        auth_kind: "{{ gcp_cred_kind }}"
+        state: present
+      register: _disks
+      loop: "{{ sut }}"
+
+    - name: SETUP | Create instance
+      google.cloud.gcp_compute_instance:
+        name: "{{ prefix }}-{{ item.name }}"
+        machine_type: n1-standard-1
+        disks:
+          - auto_delete: true
+            boot: true
+            source: "{{ _disks.results[idx] }}"
+        network_interfaces:
+          - network: "{{ _network }}"
+        labels: "{{ item.labels | default({}) }}"
+        hostname: "{{ item.hostname | default(omit) }}"
+        zone: "{{ gcp_zone }}"
+        project: "{{ gcp_project }}"
+        auth_kind: "{{ gcp_cred_kind }}"
+        service_account_file: "{{ gcp_cred_file }}"
+        state: present
+      loop: "{{ sut }}"
+      loop_control:
+        index_var: idx

tests/integration/targets/inventory_gce/playbooks/teardown.yml

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+---
+- name: Teardown test suite
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  vars_files:
+    - vars.yml
+  tasks:
+    - name: TEARDOWN | Delete instance  # noqa: ignore-errors
+      google.cloud.gcp_compute_instance:
+        name: "{{ prefix }}-{{ item.name }}"
+        zone: "{{ gcp_zone }}"
+        project: "{{ gcp_project }}"
+        auth_kind: "{{ gcp_cred_kind }}"
+        service_account_file: "{{ gcp_cred_file }}"
+        state: absent
+      loop: "{{ sut }}"
+      ignore_errors: true  # try to delete as much as possible
+
+    - name: TEARDOWN | Delete disk  # noqa: ignore-errors
+      google.cloud.gcp_compute_disk:
+        name: "{{ prefix }}-{{ item.name }}"
+        zone: "{{ gcp_zone }}"
+        project: "{{ gcp_project }}"
+        service_account_file: "{{ gcp_cred_file }}"
+        source_image: "{{ gcp_disk_image }}"
+        auth_kind: "{{ gcp_cred_kind }}"
+        state: absent
+      loop: "{{ sut }}"
+      ignore_errors: true  # try to delete as much as possible
+
+    - name: TEARDOWN | Delete network
+      google.cloud.gcp_compute_network:
+        name: "{{ prefix }}"
+        project: "{{ gcp_project }}"
+        auth_kind: "{{ gcp_cred_kind }}"
+        service_account_file: "{{ gcp_cred_file }}"
+        state: absent

tests/integration/targets/inventory_gce/playbooks/test.yml

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+---
+- name: Test
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  vars_files:
+    - vars.yml
+  tasks:
+    - name: TEST | render inventory file
+      ansible.builtin.copy:
+        dest: "../{{ inventory_filename }}"
+        content: "{{ lookup('template', '../templates/inventory.yml.j2') }}"
+        mode: preserve
+
+    - name: slurp
+      ansible.builtin.slurp:
+        src: "../{{ inventory_filename }}"
+      register: _inv
+
+    - name: debug
+      ansible.builtin.debug:
+        msg: "{{ _inv.content | b64decode }}"
+        verbosity: 3
+
+    - name: TEST | refresh inventory
+      ansible.builtin.meta: refresh_inventory
+
+    - name: TEST | run test case
+      ansible.builtin.include_tasks:
+        file: "testcase_{{ testcase }}.yml"

tests/integration/targets/inventory_gce/playbooks/testcase_basic.yml

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+---
+- name: TEST | print hosts
+  ansible.builtin.debug:
+    var: groups
+
+- name: TEST | assert instances exist
+  ansible.builtin.assert:
+    that:
+      - groups['all'] | length > 0
+
+- name: TEST | assert grouping works
+  ansible.builtin.assert:
+    that:
+      - groups['gcp_env_prod'] | length == 2
+      - groups['gcp_cluster_db'] | length == 1
+      - groups['gcp_cluster_web'] | length == 1

tests/integration/targets/inventory_gce/playbooks/testcase_hostname.yml

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+---
+- name: TEST | print hosts
+  ansible.builtin.debug:
+    var: groups
+
+- name: TEST | fetch instance info for vm1
+  google.cloud.gcp_compute_instance_info:
+    filters:
+      - name = {{ prefix }}-vm1
+    zone: "{{ gcp_zone }}"
+    project: "{{ gcp_project }}"
+    auth_kind: "{{ gcp_cred_kind }}"
+    service_account_file: "{{ gcp_cred_file }}"
+    scopes:
+      - https://www.googleapis.com/auth/compute
+  register: _vm
+
+- name: TEST | compare API vs inventory hostnames
+  ansible.builtin.assert:
+    that:
+      - _vm.resources | length > 0
+      - _vm.resources[0].hostname in groups['gcp_dns_static']

tests/integration/targets/inventory_gce/playbooks/vars.yml

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+---
+gcp_region: us-central1
+gcp_zones:
+  - "{{ gcp_region }}-a"
+  - "{{ gcp_region }}-b"
+  - "{{ gcp_region }}-c"
+  - "{{ gcp_region }}-f"
+gcp_zone: "{{ gcp_zones | first }}"
+gcp_disk_image: projects/centos-cloud/global/images/centos-stream-9-v20250513
+
+prefix: "{{ resource_prefix | default('d3adb33f') }}"
+sut:
+  - name: vm1
+    hostname: "vm1.static.{{ prefix }}.com"
+    labels:
+      dns: static
+  - name: vm2
+    labels:
+      cluster: db
+      env: prod
+  - name: vm3
+    labels:
+      cluster: web
+      env: prod
+
+testcase: basic
+testcases:
+  basic:
+    filters:
+      - status = RUNNING
+    hostnames:
+      - name
+  hostname:
+    hostnames:
+      - hostname
+      - name
+
+inventory_filename: test.gcp_compute.yml

tests/integration/targets/inventory_gce/runme.sh

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+#!/usr/bin/env bash
+
+set -eux
+
+# test infra
+ansible-playbook playbooks/setup.yml "$@"
+
+export ANSIBLE_INVENTORY=test.gcp_compute.yml
+
+RC=0
+# we want to run teardown regardless of playbook exit status, so catch the
+# exit code of ansible-playbook manually
+set +e
+for ts in playbooks/testcase_*.yml;
+do
+    testcase="$( basename $ts | sed -e 's/testcase_//' | sed -e 's/.yml//' )"
+    ansible-playbook playbooks/test.yml "$@" --extra-vars "testcase=${testcase}"
+    RC=$?
+    test $RC -ne 0 && break
+done
+set -e
+
+unset ANSIBLE_INVENTORY
+
+# delete test infra
+ansible-playbook playbooks/teardown.yml "$@"
+
+exit $RC

tests/integration/targets/inventory_gce/templates/inventory.yml.j2

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+---
+plugin: google.cloud.gcp_compute
+
+zones:
+{{ gcp_zones | to_nice_yaml }}
+projects:
+- {{ gcp_project }}
+
+auth_kind: {{ gcp_cred_kind }}
+
+service_account_file: {{ gcp_cred_file }}
+
+scopes:
+- 'https://www.googleapis.com/auth/cloud-platform'
+- 'https://www.googleapis.com/auth/compute.readonly'
+
+keyed_groups:
+- prefix: gcp
+  key: labels
+
+name_suffix: .{{ prefix }}.com
+
+filters:
+{{ testcases[testcase]['filters'] | default(testcases['basic']['filters']) | default([]) | to_nice_yaml }}
+
+hostnames:
+{{ testcases[testcase]['hostnames'] | default(testcases['basic']['hostnames']) | default([]) | to_nice_yaml }}

tests/integration/targets/inventory_gce/test.gcp_compute.yml

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+# keep empty