add centos support

Author: Gustavo Muniz do Carmo

defaults/main.yml

@@ -1 +1 @@
-docker_compose_version: 1.22.0
+docker_compose_version: 1.25.0

meta/main.yml

@@ -11,10 +11,13 @@ galaxy_info:
       versions:
         - bionic
         - xenial
+    - name: CentOS
+      versions:
+        - 7
 
   galaxy_tags:
     - docker
-    - docker-compose
+    - compose
 
 dependencies:
   - role: codeyourinfra.docker

molecule/default/Dockerfile.j2

@@ -6,8 +6,8 @@ FROM {{ item.registry.url }}/{{ item.image }}
 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 python2-dnf bash && dnf clean all; \
+RUN if [ $(command -v apt-get) ]; then apt-get update && apt-get install -y python sudo bash ca-certificates python-apt aptitude && apt-get clean; \
+    elif [ $(command -v dnf) ]; then dnf makecache && dnf --assumeyes install python2 sudo python2-devel && 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; \

molecule/default/molecule.yml

@@ -10,8 +10,16 @@ lint:
 platforms:
   - name: xenial
     image: ubuntu:xenial
+    groups:
+      - ubuntu
   - name: bionic
     image: ubuntu:bionic
+    groups:
+      - ubuntu
+  - name: centos7
+    image: centos:7
+    groups:
+      - centos
 provisioner:
   name: ansible
   lint: