switch to molecule v3

.yamllint

+---
 extends: default
 ignore: |
   .travis/

README.md

@@ -13,7 +13,7 @@ Deploy prometheus [node exporter](https://github.com/prometheus/node_exporter) u
 
 ## Requirements
 
-- Ansible >= 2.7 (It might work on previous versions, but we cannot guarantee it)
+- Ansible >= 2.9 (It might work on previous versions, but we cannot guarantee it)
 - gnu-tar on Mac deployer host (`brew install gnu-tar`)
 - Passlib is required when using the basic authentatication feature (`pip install passlib[bcrypt]`)
 

molecule/alternative/molecule.yml

@@ -3,40 +3,44 @@ dependency:
   name: galaxy
 driver:
   name: docker
-lint:
-  name: yamllint
 platforms:
   - name: bionic
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:ubuntu-18.04
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: xenial
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:ubuntu-16.04
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: stretch
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:debian-9
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: buster
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:debian-10
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: centos7
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:centos-7
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: centos8
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:centos-8
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
@@ -45,6 +49,7 @@ platforms:
     groups:
       - python3
   - name: fedora
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:fedora-30
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
@@ -54,21 +59,12 @@ platforms:
       - python3
 provisioner:
   name: ansible
-  lint:
-    name: ansible-lint
   playbooks:
-    create: ../default/create.yml
     prepare: prepare.yml
     converge: playbook.yml
-    destroy: ../default/destroy.yml
   inventory:
     group_vars:
       python3:
         ansible_python_interpreter: /usr/bin/python3
-scenario:
-  name: alternative
 verifier:
   name: testinfra
-  lint:
-    name: flake8
-    enabled: true

molecule/default/create.yml

----
-- name: Create
-  hosts: localhost
-  connection: local
-  gather_facts: false
-  no_log: "{{ not lookup('env', 'MOLECULE_DEBUG') | bool }}"
-  tasks:
-    - name: Create molecule instance(s)
-      docker_container:
-        name: "{{ item.name }}"
-        docker_host: "{{ item.docker_host | default('unix://var/run/docker.sock') }}"
-        hostname: "{{ item.name }}"
-        image: "{{ item.image }}"
-        state: started
-        recreate: false
-        log_driver: json-file
-        command: "{{ item.command | default(omit) }}"
-        privileged: "{{ item.privileged | default(omit) }}"
-        volumes: "{{ item.volumes | default(omit) }}"
-        capabilities: "{{ item.capabilities | default(omit) }}"
-        exposed_ports: "{{ item.exposed_ports | default(omit) }}"
-        published_ports: "{{ item.published_ports | default(omit) }}"
-        ulimits: "{{ item.ulimits | default(omit) }}"
-        networks: "{{ item.networks | default(omit) }}"
-        dns_servers: "{{ item.dns_servers | default(omit) }}"
-      register: server
-      with_items: "{{ molecule_yml.platforms }}"
-      async: 7200
-      poll: 0
-
-    - name: Wait for instance(s) creation to complete
-      async_status:
-        jid: "{{ item.ansible_job_id }}"
-      register: docker_jobs
-      until: docker_jobs.finished
-      retries: 300
-      with_items: "{{ server.results }}"

molecule/default/destroy.yml

----
-- name: Destroy
-  hosts: localhost
-  connection: local
-  gather_facts: false
-  no_log: "{{ not lookup('env', 'MOLECULE_DEBUG') | bool }}"
-  tasks:
-    - name: Destroy molecule instance(s)
-      docker_container:
-        name: "{{ item.name }}"
-        docker_host: "{{ item.docker_host | default('unix://var/run/docker.sock') }}"
-        state: absent
-        force_kill: "{{ item.force_kill | default(true) }}"
-      register: server
-      with_items: "{{ molecule_yml.platforms }}"
-      async: 7200
-      poll: 0
-
-    - name: Wait for instance(s) deletion to complete
-      async_status:
-        jid: "{{ item.ansible_job_id }}"
-      register: docker_jobs
-      until: docker_jobs.finished
-      retries: 300
-      with_items: "{{ server.results }}"
-
-    - name: Delete docker network(s)
-      docker_network:
-        name: "{{ item }}"
-        docker_host: "{{ item.docker_host | default('unix://var/run/docker.sock') }}"
-        state: absent
-      with_items: "{{ molecule_yml.platforms | molecule_get_docker_networks }}"

molecule/default/molecule.yml

@@ -3,40 +3,49 @@ dependency:
   name: galaxy
 driver:
   name: docker
-lint:
-  name: yamllint
+# lint: |
+#   set -e
+#   yamllint .
+#   ansible-lint
+#   flake8
 platforms:
   - name: bionic
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:ubuntu-18.04
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: xenial
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:ubuntu-16.04
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: stretch
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:debian-9
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: buster
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:debian-10
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: centos7
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:centos-7
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: centos8
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:centos-8
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
@@ -45,6 +54,7 @@ platforms:
     groups:
       - python3
   - name: fedora
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:fedora-30
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
@@ -54,21 +64,12 @@ platforms:
       - python3
 provisioner:
   name: ansible
-  lint:
-    name: ansible-lint
   playbooks:
-    create: create.yml
     prepare: prepare.yml
     converge: playbook.yml
-    destroy: destroy.yml
   inventory:
     group_vars:
       python3:
         ansible_python_interpreter: /usr/bin/python3
-scenario:
-  name: default
 verifier:
   name: testinfra
-  lint:
-    name: flake8
-    enabled: true

molecule/latest/molecule.yml

@@ -3,16 +3,16 @@ dependency:
   name: galaxy
 driver:
   name: docker
-lint:
-  name: yamllint
 platforms:
   - name: buster
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:debian-10
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
   - name: fedora
+    pre_build_image: true
     image: quay.io/paulfantom/molecule-systemd:fedora-30
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
     privileged: true
@@ -22,8 +22,6 @@ platforms:
       - python3
 provisioner:
   name: ansible
-  lint:
-    name: ansible-lint
   playbooks:
     create: ../default/create.yml
     prepare: ../default/prepare.yml
@@ -33,10 +31,5 @@ provisioner:
     group_vars:
       python3:
         ansible_python_interpreter: /usr/bin/python3
-scenario:
-  name: latest
 verifier:
   name: testinfra
-  lint:
-    name: flake8
-    enabled: true

test-requirements.txt

-molecule>=2.15.0,<3.0.0
+molecule>=3.0.0
+molecule-docker
 docker
 ansible-lint>=3.4.0
 testinfra>=1.7.0

tox.ini

 [tox]
 minversion = 1.8
-basepython = python3.7
-envlist = py37-ansible{27,28,29}
+basepython = python3.8
+envlist = py38-ansible{29,210}
 skipsdist = true
 
 [travis:env]
 ANSIBLE=
-  2.7: ansible27
-  2.8: ansible28
   2.9: ansible29
+  2.10: ansible210
 
 [testenv]
 passenv = GH_* DOCKER_HOST MOLECULE_*
 deps =
     -rtest-requirements.txt
-    ansible27: ansible<2.8
-    ansible28: ansible<2.9
     ansible29: ansible<2.10
+    ansible210: ansible<2.11
 commands =
     {posargs:molecule test --all --destroy always}