From 712c5baf93c1d30eaf632e51345f089231d638be Mon Sep 17 00:00:00 2001
From: Pieter Lexis <pieter.lexis@tomtom.com>
Date: Thu, 5 Dec 2024 14:04:43 +0100
Subject: [PATCH] ci(otelcol): Add molecule tests

---
 .../opentelemetry-collector-molecule.yml      | 48 ++++++++++++++++++
 .../molecule/default/converge.yml             | 27 ++++++++++
 .../molecule/default/molecule.yml             | 50 +++++++++++++++++++
 .../molecule/default/tests/test_default.py    | 35 +++++++++++++
 .../molecule/latest/converge.yml              | 28 +++++++++++
 .../molecule/latest/molecule.yml              | 50 +++++++++++++++++++
 .../molecule/latest/tests/test_default.py     | 35 +++++++++++++
 .../molecule/non-contrib/converge.yml         | 27 ++++++++++
 .../molecule/non-contrib/molecule.yml         | 50 +++++++++++++++++++
 .../non-contrib/tests/test_default.py         | 31 ++++++++++++
 10 files changed, 381 insertions(+)
 create mode 100644 .github/workflows/opentelemetry-collector-molecule.yml
 create mode 100644 roles/opentelemetry_collector/molecule/default/converge.yml
 create mode 100644 roles/opentelemetry_collector/molecule/default/molecule.yml
 create mode 100644 roles/opentelemetry_collector/molecule/default/tests/test_default.py
 create mode 100644 roles/opentelemetry_collector/molecule/latest/converge.yml
 create mode 100644 roles/opentelemetry_collector/molecule/latest/molecule.yml
 create mode 100644 roles/opentelemetry_collector/molecule/latest/tests/test_default.py
 create mode 100644 roles/opentelemetry_collector/molecule/non-contrib/converge.yml
 create mode 100644 roles/opentelemetry_collector/molecule/non-contrib/molecule.yml
 create mode 100644 roles/opentelemetry_collector/molecule/non-contrib/tests/test_default.py

diff --git a/.github/workflows/opentelemetry-collector-molecule.yml b/.github/workflows/opentelemetry-collector-molecule.yml
new file mode 100644
index 00000000..8498524e
--- /dev/null
+++ b/.github/workflows/opentelemetry-collector-molecule.yml
@@ -0,0 +1,48 @@
+---
+name: OpenTelemetry Collector Molecule
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+defaults:
+  run:
+    working-directory: roles/opentelemetry_collector
+
+jobs:
+  molecule:
+    name: Molecule
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        distro:
+          - rockylinux9
+          - ubuntu2204
+          - debian12
+        scenario:
+          - default
+          - latest
+          - non-contrib
+
+    steps:
+      - name: Check out the codebase.
+        uses: actions/checkout@v4
+
+      - name: Set up Python 3.
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+
+      - name: Install test dependencies.
+        run: pip3 install ansible molecule molecule-plugins[docker] docker pytest-testinfra
+
+      - name: Run Molecule tests.
+        run: molecule test -s ${{ matrix.scenario }}
+        env:
+          PY_COLORS: '1'
+          ANSIBLE_FORCE_COLOR: '1'
+          MOLECULE_DISTRO: ${{ matrix.distro }}
diff --git a/roles/opentelemetry_collector/molecule/default/converge.yml b/roles/opentelemetry_collector/molecule/default/converge.yml
new file mode 100644
index 00000000..7d0801e5
--- /dev/null
+++ b/roles/opentelemetry_collector/molecule/default/converge.yml
@@ -0,0 +1,27 @@
+---
+- name: "Run role"
+  hosts: all
+  any_errors_fatal: true
+  roles:
+    - grafana.grafana.opentelemetry_collector
+  vars:
+    otel_collector_receivers:
+      hostmetrics:
+        scrapers:
+          cpu:
+          memory:
+    otel_collector_processors:
+      memory_limiter:
+        check_interval: 2s
+        limit_percentage: 80
+        spike_limit_percentage: 25
+      batch:
+    otel_collector_exporters:
+      prometheus:
+        endpoint: '127.0.0.1:9999'
+    otel_collector_service:
+      pipelines:
+        metrics:
+          receivers: '{{ otel_collector_receivers.keys() }}'
+          processors: '{{ otel_collector_processors.keys() }}'
+          exporters: '{{ otel_collector_exporters.keys() }}'
diff --git a/roles/opentelemetry_collector/molecule/default/molecule.yml b/roles/opentelemetry_collector/molecule/default/molecule.yml
new file mode 100644
index 00000000..8e6493a2
--- /dev/null
+++ b/roles/opentelemetry_collector/molecule/default/molecule.yml
@@ -0,0 +1,50 @@
+---
+platforms:
+  - name: almalinux-9
+    image: dokken/almalinux-9
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: centos-stream-9
+    image: dokken/centos-stream-9
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: debian-10
+    image: dokken/debian-10
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: debian-11
+    image: dokken/debian-11
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: fedora-36
+    image: dokken/fedora-36
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: fedora-37
+    image: dokken/fedora-37
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: ubuntu-20.04
+    image: dokken/ubuntu-20.04
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: ubuntu-22.04
+    image: dokken/ubuntu-22.04
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
diff --git a/roles/opentelemetry_collector/molecule/default/tests/test_default.py b/roles/opentelemetry_collector/molecule/default/tests/test_default.py
new file mode 100644
index 00000000..f773241b
--- /dev/null
+++ b/roles/opentelemetry_collector/molecule/default/tests/test_default.py
@@ -0,0 +1,35 @@
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+import os
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ["MOLECULE_INVENTORY_FILE"]
+).get_hosts("all")
+
+
+def test_directories(host):
+    dirs = [
+        "/etc/otel-collector",
+    ]
+    files = ["/etc/otel-collector/config.yaml"]
+    for directory in dirs:
+        d = host.file(directory)
+        assert d.is_directory
+        assert d.exists
+    for file in files:
+        f = host.file(file)
+        assert f.exists
+        assert f.is_file
+
+
+def test_service(host):
+    s = host.service("otel-collector")
+    # assert s.is_enabled
+    assert s.is_running
+
+
+def test_socket(host):
+    assert host.socket("tcp://127.0.0.1:9999").is_listening
diff --git a/roles/opentelemetry_collector/molecule/latest/converge.yml b/roles/opentelemetry_collector/molecule/latest/converge.yml
new file mode 100644
index 00000000..9d62bd90
--- /dev/null
+++ b/roles/opentelemetry_collector/molecule/latest/converge.yml
@@ -0,0 +1,28 @@
+---
+- name: "Run role"
+  hosts: all
+  any_errors_fatal: true
+  roles:
+    - grafana.grafana.opentelemetry_collector
+  vars:
+    otel_collector_version: latest
+    otel_collector_receivers:
+      hostmetrics:
+        scrapers:
+          cpu:
+          memory:
+    otel_collector_processors:
+      memory_limiter:
+        check_interval: 2s
+        limit_percentage: 80
+        spike_limit_percentage: 25
+      batch:
+    otel_collector_exporters:
+      prometheus:
+        endpoint: '127.0.0.1:9999'
+    otel_collector_service:
+      pipelines:
+        metrics:
+          receivers: '{{ otel_collector_receivers.keys() }}'
+          processors: '{{ otel_collector_processors.keys() }}'
+          exporters: '{{ otel_collector_exporters.keys() }}'
diff --git a/roles/opentelemetry_collector/molecule/latest/molecule.yml b/roles/opentelemetry_collector/molecule/latest/molecule.yml
new file mode 100644
index 00000000..8e6493a2
--- /dev/null
+++ b/roles/opentelemetry_collector/molecule/latest/molecule.yml
@@ -0,0 +1,50 @@
+---
+platforms:
+  - name: almalinux-9
+    image: dokken/almalinux-9
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: centos-stream-9
+    image: dokken/centos-stream-9
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: debian-10
+    image: dokken/debian-10
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: debian-11
+    image: dokken/debian-11
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: fedora-36
+    image: dokken/fedora-36
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: fedora-37
+    image: dokken/fedora-37
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: ubuntu-20.04
+    image: dokken/ubuntu-20.04
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: ubuntu-22.04
+    image: dokken/ubuntu-22.04
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
diff --git a/roles/opentelemetry_collector/molecule/latest/tests/test_default.py b/roles/opentelemetry_collector/molecule/latest/tests/test_default.py
new file mode 100644
index 00000000..f773241b
--- /dev/null
+++ b/roles/opentelemetry_collector/molecule/latest/tests/test_default.py
@@ -0,0 +1,35 @@
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+import os
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ["MOLECULE_INVENTORY_FILE"]
+).get_hosts("all")
+
+
+def test_directories(host):
+    dirs = [
+        "/etc/otel-collector",
+    ]
+    files = ["/etc/otel-collector/config.yaml"]
+    for directory in dirs:
+        d = host.file(directory)
+        assert d.is_directory
+        assert d.exists
+    for file in files:
+        f = host.file(file)
+        assert f.exists
+        assert f.is_file
+
+
+def test_service(host):
+    s = host.service("otel-collector")
+    # assert s.is_enabled
+    assert s.is_running
+
+
+def test_socket(host):
+    assert host.socket("tcp://127.0.0.1:9999").is_listening
diff --git a/roles/opentelemetry_collector/molecule/non-contrib/converge.yml b/roles/opentelemetry_collector/molecule/non-contrib/converge.yml
new file mode 100644
index 00000000..92d542df
--- /dev/null
+++ b/roles/opentelemetry_collector/molecule/non-contrib/converge.yml
@@ -0,0 +1,27 @@
+---
+- name: "Run role"
+  hosts: all
+  any_errors_fatal: true
+  roles:
+    - grafana.grafana.opentelemetry_collector
+  vars:
+    otel_collector_type: ''
+    otel_collector_receivers:
+      hostmetrics:
+        scrapers:
+          cpu:
+          memory:
+    otel_collector_processors:
+      memory_limiter:
+        check_interval: 2s
+        limit_percentage: 80
+        spike_limit_percentage: 25
+      batch:
+    otel_collector_exporters:
+      debug:
+    otel_collector_service:
+      pipelines:
+        metrics:
+          receivers: '{{ otel_collector_receivers.keys() }}'
+          processors: '{{ otel_collector_processors.keys() }}'
+          exporters: '{{ otel_collector_exporters.keys() }}'
diff --git a/roles/opentelemetry_collector/molecule/non-contrib/molecule.yml b/roles/opentelemetry_collector/molecule/non-contrib/molecule.yml
new file mode 100644
index 00000000..8e6493a2
--- /dev/null
+++ b/roles/opentelemetry_collector/molecule/non-contrib/molecule.yml
@@ -0,0 +1,50 @@
+---
+platforms:
+  - name: almalinux-9
+    image: dokken/almalinux-9
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: centos-stream-9
+    image: dokken/centos-stream-9
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: debian-10
+    image: dokken/debian-10
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: debian-11
+    image: dokken/debian-11
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: fedora-36
+    image: dokken/fedora-36
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: fedora-37
+    image: dokken/fedora-37
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: ubuntu-20.04
+    image: dokken/ubuntu-20.04
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
+  - name: ubuntu-22.04
+    image: dokken/ubuntu-22.04
+    pre_build_image: true
+    privileged: true
+    cgroup_parent: docker.slice
+    command: /lib/systemd/systemd
diff --git a/roles/opentelemetry_collector/molecule/non-contrib/tests/test_default.py b/roles/opentelemetry_collector/molecule/non-contrib/tests/test_default.py
new file mode 100644
index 00000000..ec37d6e4
--- /dev/null
+++ b/roles/opentelemetry_collector/molecule/non-contrib/tests/test_default.py
@@ -0,0 +1,31 @@
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+import os
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ["MOLECULE_INVENTORY_FILE"]
+).get_hosts("all")
+
+
+def test_directories(host):
+    dirs = [
+        "/etc/otel-collector",
+    ]
+    files = ["/etc/otel-collector/config.yaml"]
+    for directory in dirs:
+        d = host.file(directory)
+        assert d.is_directory
+        assert d.exists
+    for file in files:
+        f = host.file(file)
+        assert f.exists
+        assert f.is_file
+
+
+def test_service(host):
+    s = host.service("otel-collector")
+    # assert s.is_enabled
+    assert s.is_running