Molecule tests for application role.

Issue-ID: OOM-1812

Change-Id: Ifb6f5a10afb4014b20be77a4141371e561d346ce
Signed-off-by: Samuli Silvius <s.silvius@partner.samsung.com>
diff --git a/ansible/roles/application/molecule/default/Dockerfile.j2 b/ansible/roles/application/molecule/default/Dockerfile.j2
new file mode 100644
index 0000000..e6aa95d
--- /dev/null
+++ b/ansible/roles/application/molecule/default/Dockerfile.j2
@@ -0,0 +1,14 @@
+# Molecule managed
+
+{% if item.registry is defined %}
+FROM {{ item.registry.url }}/{{ item.image }}
+{% else %}
+FROM {{ item.image }}
+{% endif %}
+
+RUN if [ $(command -v apt-get) ]; then apt-get update && apt-get install -y python sudo bash ca-certificates && apt-get clean; \
+    elif [ $(command -v dnf) ]; then dnf makecache && dnf --assumeyes install python sudo python-devel python*-dnf bash && dnf clean all; \
+    elif [ $(command -v yum) ]; then yum makecache fast && yum install -y python sudo yum-plugin-ovl bash && sed -i 's/plugins=0/plugins=1/g' /etc/yum.conf && yum clean all; \
+    elif [ $(command -v zypper) ]; then zypper refresh && zypper install -y python sudo bash python-xml && zypper clean -a; \
+    elif [ $(command -v apk) ]; then apk update && apk add --no-cache python sudo bash ca-certificates; \
+    elif [ $(command -v xbps-install) ]; then xbps-install -Syu && xbps-install -y python sudo bash ca-certificates && xbps-remove -O; fi
diff --git a/ansible/roles/application/molecule/default/molecule.yml b/ansible/roles/application/molecule/default/molecule.yml
new file mode 100644
index 0000000..8f19d7f
--- /dev/null
+++ b/ansible/roles/application/molecule/default/molecule.yml
@@ -0,0 +1,60 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+lint:
+  name: yamllint
+platforms:
+  - name: instance
+    image: centos:7
+provisioner:
+  name: ansible
+  env:
+    ANSIBLE_ROLES_PATH: ../../../../test/roles
+  inventory:
+    group_vars:
+      all:
+        app_name: moleculetestapp
+        app_data_path: "/opt/{{ app_name }}"
+        app_helm_release_name: "{{ app_name }}"
+        app_kubernetes_namespace: "{{ app_name }}"
+        app_helm_charts_install_directory: application/helm_charts
+        app_helm_plugins_directory: "{{ app_helm_charts_install_directory}}/helm/plugins/"
+        app_helm_charts_infra_directory: "{{ app_data_path }}/helm_charts"
+        helm_bin_dir: /usr/local/bin
+        app_helm_build_targets:
+          - all
+          - onap
+        app_helm_chart_name: "{{ app_name }}"
+        application_pre_install_role:
+        application_post_install_role:
+  lint:
+    name: ansible-lint
+scenario:
+  name: default
+  test_sequence:
+    - lint
+    - cleanup
+    - destroy
+    - dependency
+    - syntax
+    - create
+    - prepare
+    - converge
+    # - idempotence
+    # --> Action: 'idempotence'
+    # ERROR: Idempotence test failed because of the following tasks:
+    # * [instance] => application : Get helm dir
+    # * [instance] => application : Helm init and upgrade
+    # * [instance] => application : Helm Serve
+    # * [instance] => application : Helm Add Repo
+    # * [instance] => application : Helm Install application moleculetestapp
+    - side_effect
+    - verify
+    - cleanup
+    - destroy
+verifier:
+  name: testinfra
+  lint:
+    name: flake8
diff --git a/ansible/roles/application/molecule/default/playbook.yml b/ansible/roles/application/molecule/default/playbook.yml
new file mode 100644
index 0000000..4121f12
--- /dev/null
+++ b/ansible/roles/application/molecule/default/playbook.yml
@@ -0,0 +1,5 @@
+---
+- name: Helm charts available
+  hosts: all
+  roles:
+    - application
diff --git a/ansible/roles/application/molecule/default/prepare.yml b/ansible/roles/application/molecule/default/prepare.yml
new file mode 100644
index 0000000..8a5288d
--- /dev/null
+++ b/ansible/roles/application/molecule/default/prepare.yml
@@ -0,0 +1,5 @@
+---
+- name: Prepare infra
+  hosts: all
+  roles:
+    - prepare-application
diff --git a/ansible/roles/application/molecule/default/tests/test_default.py b/ansible/roles/application/molecule/default/tests/test_default.py
new file mode 100644
index 0000000..3e0cbb4
--- /dev/null
+++ b/ansible/roles/application/molecule/default/tests/test_default.py
@@ -0,0 +1,29 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+
+def test_helm_commands(host):
+    fc = host.file('/tmp/helm_simu_output').content_string
+    expected_content = """home
+init --upgrade --skip-refresh
+version --tiller-connection-timeout 10
+repo list
+serve
+repo list
+repo add local http://127.0.0.1:8879
+install --name moleculetestapp local/moleculetestapp --namespace \
+moleculetestapp -f /opt/moleculetestapp/override.yaml"""
+    assert fc == expected_content
+
+
+def test_helm_override_file(host):
+    fc = host.file('/opt/moleculetestapp/override.yaml').content_string
+    expected_content = """global:
+    cacert: 'this is dummy server certificate value
+
+        '"""
+    assert fc == expected_content