Added Molecule test for the Elasticsearch role

.circleci/config.yml

@@ -1,3 +1,4 @@
+---
 version: 2
 jobs:
   test:
@@ -6,7 +7,7 @@ jobs:
         version: 2.7
       services:
         - docker
-    working_directory: ~/wazuh-ansible  
+    working_directory: ~/wazuh-ansible
     steps:
       - checkout
       - run:
@@ -22,4 +23,4 @@ workflows:
   version: 2
   test_molecule:
     jobs:
-      - test
+      - test

.travis.yml

@@ -1,3 +1,4 @@
+---
 language: python
 services: docker
 before_script:
@@ -6,3 +7,4 @@ before_script:
 script:
   - pipenv run test
   - pipenv run agent
+  - pipenv run elasticsearch

Pipfile

@@ -16,3 +16,4 @@ python_version = "2.7"
 [scripts]
 test ="molecule test"
 agent ="molecule test -s wazuh-agent"
+elasticsearch ="molecule test -s elasticsearch"

molecule/default/prepare.yml

@@ -24,3 +24,13 @@
         state: latest
       register: wazuh_manager_dependencies_packages_installed
       until: wazuh_manager_dependencies_packages_installed is succeeded
+
+    - name: "Install (RedHat) dependencies"
+      package:
+        name:
+          - initscripts
+        state: latest
+      register: wazuh_manager_dependencies_packages_installed
+      until: wazuh_manager_dependencies_packages_installed is succeeded
+      when:
+        - ansible_os_family == 'RedHat'

molecule/elasticsearch/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

molecule/elasticsearch/INSTALL.rst

@@ -0,0 +1,22 @@
+*******
+Docker driver installation guide
+*******
+
+Requirements
+============
+
+* Docker Engine
+
+Install
+=======
+
+Please refer to the `Virtual environment`_ documentation for installation best
+practices. If not using a virtual environment, please consider passing the
+widely recommended `'--user' flag`_ when invoking ``pip``.
+
+.. _Virtual environment: https://virtualenv.pypa.io/en/latest/
+.. _'--user' flag: https://packaging.python.org/tutorials/installing-packages/#installing-to-the-user-site
+
+.. code-block:: bash
+
+    $ pip install 'molecule[docker]'

molecule/elasticsearch/molecule.yml

@@ -0,0 +1,59 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+lint:
+  name: yamllint
+platforms:
+  - name: bionic
+    image: solita/ubuntu-systemd:bionic
+    command: /sbin/init
+    ulimits:
+      - nofile:262144:262144
+    privileged: True
+    memory_reservation: 1024m
+  - name: xenial
+    image: solita/ubuntu-systemd:xenial
+    privileged: true
+    memory_reservation: 1024m
+    command: /sbin/init
+    ulimits:
+      - nofile:262144:262144
+  - name: trusty
+    image: ubuntu:trusty
+    memory_reservation: 1024m
+    ulimits:
+      - nofile:262144:262144
+  - name: centos6
+    image: centos:6
+    privileged: true
+    memory_reservation: 1024m
+    ulimits:
+      - nofile:262144:262144
+  - name: centos7
+    image: milcom/centos7-systemd
+    memory_reservation: 1024m
+    privileged: true
+    ulimits:
+      - nofile:262144:262144
+provisioner:
+  name: ansible
+  playbooks:
+    docker:
+      create: ../default/create.yml
+      destroy: ../default/destroy.yml
+      prepare: ../default/prepare.yml
+  env:
+    ANSIBLE_ROLES_PATH: ../../roles
+  lint:
+    name: ansible-lint
+    enabled: true
+  inventory:
+    group_vars:
+      all:
+        elasticsearch_jvm_xms: 512
+verifier:
+  name: testinfra
+  lint:
+    name: flake8

molecule/elasticsearch/playbook.yml

@@ -0,0 +1,6 @@
+---
+- name: Converge
+  hosts: all
+  roles:
+    - role: elastic-stack/ansible-elasticsearch
+      elasticsearch_network_host: 'localhost'

molecule/elasticsearch/tests/test_default.py

@@ -0,0 +1,19 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+
+def test_elasticsearch_is_installed(host):
+    elasticsearch = host.package("elasticsearch")
+    assert elasticsearch.is_installed
+    assert elasticsearch.version.startswith('6.7.1')
+
+
+def test_elasticsearch_is_running(host):
+    """Test if the services are enabled and running."""
+    elasticsearch = host.service("elasticsearch")
+    assert elasticsearch.is_enabled
+    assert elasticsearch.is_running

roles/elastic-stack/ansible-elasticsearch/tasks/Debian.yml

@@ -1,13 +1,25 @@
 ---
 - name: Debian/Ubuntu | Install apt-transport-https and ca-certificates
   apt:
-    name: ['apt-transport-https', 'ca-certificates']
+    name:
+      - apt-transport-https
+      - ca-certificates
     state: present
+  register: elasticsearch_ca_packages_installed
+  until: elasticsearch_ca_packages_installed is succeeded
+
+- name: "Install Java Repo for Trusty"
+  apt_repository: repo='ppa:openjdk-r/ppa'
+  when:
+    - ansible_distribution == "Ubuntu"
+    - ansible_distribution_major_version | int == 14
 
 - when: elasticsearch_install_java
   block:
     - name: Debian/Ubuntu | Install OpenJDK 1.8
       apt: name=openjdk-8-jre state=present cache_valid_time=3600
+      register: elasticsearch_jre_packages_installed
+      until: elasticsearch_jre_packages_installed is succeeded
       tags: install
 
 - name: Debian/Ubuntu | Add Elasticsearch GPG key.
@@ -27,4 +39,6 @@
     name: "elasticsearch={{ elastic_stack_version }}"
     state: present
     cache_valid_time: 3600
+  register: elasticsearch_main_packages_installed
+  until: elasticsearch_main_packages_installed is succeeded
   tags: install

roles/elastic-stack/ansible-elasticsearch/tasks/RMDebian.yml

@@ -3,3 +3,4 @@
   apt_repository:
     repo: deb https://artifacts.elastic.co/packages/5.x/apt stable main
     state: absent
+  changed_when: false

roles/elastic-stack/ansible-elasticsearch/tasks/RMRedHat.yml

@@ -3,3 +3,4 @@
   yum_repository:
     name: elastic_repo
     state: absent
+  changed_when: false

roles/elastic-stack/ansible-elasticsearch/tasks/RedHat.yml

@@ -4,6 +4,7 @@
     - name: RedHat/CentOS/Fedora | Install OpenJDK 1.8
       yum: name=java-1.8.0-openjdk state=present
       register: oracle_java_task_rpm_installed
+      until: oracle_java_task_rpm_installed is succeeded
       tags: install
 
 - name: RedHat/CentOS/Fedora | Install Elastic repo
@@ -13,8 +14,11 @@
     baseurl: https://artifacts.elastic.co/packages/6.x/yum
     gpgkey: https://artifacts.elastic.co/GPG-KEY-elasticsearch
     gpgcheck: true
+  changed_when: false
 
 - name: RedHat/CentOS/Fedora | Install Elasticsarch
   package: name=elasticsearch-{{ elastic_stack_version }} state=present
+  register: elasticsearch_main_packages_installed
+  until: elasticsearch_main_packages_installed is succeeded
   when: not elasticsearch_install_java or oracle_java_task_rpm_installed is defined
   tags: install

roles/elastic-stack/ansible-elasticsearch/tasks/main.yml

@@ -76,9 +76,9 @@
     - not (ansible_distribution == "Amazon" and ansible_distribution_major_version == "NA")
     - not (ansible_distribution == "Ubuntu" and ansible_distribution_version is version('15.04', '<'))
     - not (ansible_distribution == "Debian" and ansible_distribution_version is version('8', '<'))
+    - not (ansible_os_family == "RedHat" and ansible_distribution_version is version('7', '<'))
 
 - name: Ensure Elasticsearch started and enabled
-  ignore_errors: true
   service:
     name: elasticsearch
     enabled: true
@@ -92,19 +92,22 @@
 
 - name: Check for Wazuh Alerts template
   uri:
-    url: "http://{{elasticsearch_network_host}}:{{elasticsearch_http_port}}/_template/wazuh"
+    url: "http://{{ elasticsearch_network_host }}:{{ elasticsearch_http_port }}/_template/wazuh"
     method: GET
     status_code: 200, 404
   register: wazuh_alerts_template_exits
+  until: wazuh_alerts_template_exits is succeeded
   tags: init
 
 - name: Installing Wazuh Alerts template
   uri:
-    url: "http://{{elasticsearch_network_host}}:{{elasticsearch_http_port}}/_template/wazuh"
+    url: "http://{{ elasticsearch_network_host }}:{{ elasticsearch_http_port }}/_template/wazuh"
     method: PUT
     status_code: 200
     body_format: json
     body: "{{ lookup('template','wazuh-elastic6-template-alerts.json.j2') }}"
+  register: installing_wazuh_template
+  until: installing_wazuh_template is succeeded
   when: wazuh_alerts_template_exits.status != 200
   tags: init