Molecule v2

[sbesson]

This PR makes the necessary changes to test this role with Ansible 2.4 and Molecule 2.

• d29afab creates the Molecule 2 initial setup using molecule init scenario -r $(basename $PWD) -s default -d docker
• 6e398ee fixes the yamllint warnings and errors reported by molecule test
• ae81457 and a5ab22b ccopy the v1 tests and set up the molecule configuration files. 12856f2 contains the necessary changes to upgrades the tests to be compliant with Molecule 2/testinfra 1.14 including the usage of the new host fixture.

With ome/ome-ansible-molecule#10, this PR should be tested by Travis against Ansible 2.4 in the morning https://travis-ci.org/snoopycrimecop/ansible-roles build.

Proposed tag: 3.0.2

[manics]

Looks fine apart from the extraneous test

[sbesson]

The role import onto Galaxy failed with

Starting import: task_id=327355, repository=openmicroscopy/ansible-role-postgresql

Task "327355" failed: 'int' object has no attribute 'get'

Unclear whether this is an issue with the role or upstream.

[sbesson]

After fixing meta/main.yml which was causing the failed import and retagging 3.0.2, this is now deployed to https://galaxy.ansible.com/openmicroscopy/postgresql.