Molecule tests v0.1

[lhoss]

Mirror PR for the upstream PR done here cloudera#59

Feel free to comment
I see already things we should cleanup in the .travis file (like trying with later molecule and ansible versions)

[lhoss]

Actually build ran far , upto to the point where the cluster_template was sent to the CM .. then a check failed (can fix this later)
Failing task from travis stdout:

    TASK [cdh : set_fact] **********************************************************
    ok: [centos7-cdh01.local] => {"ansible_facts": {"command_id": "28"}, "changed": false}

   
    TASK [cdh : debug] *************************************************************
    ok: [centos7-cdh01.local] => {
        "msg": "Login to Cloudera Manager to monitor import progress - http://centos7-cdh01.local:7180/cmf/command/28/details"
    }

    TASK [cdh : Wait for import cluster template command to complete] *************
    FAILED - RETRYING: Wait for import cluster template command to complete (10 retries left).
    fatal: [centos7-cdh01.local]: FAILED! => {"msg": "The conditional check 'not result.json.active' failed. The error was: error while evaluating conditional (not result.json.active): 'dict object' has no attribute 'json'"}

    PLAY RECAP *********************************************************************
    centos7-cdh01.local        : ok=116  changed=58   unreachable=0    failed=1    skipped=12   rescued=0    ignored=0

[hosts1]

FAILED - RETRYING: Wait for import cluster template command to complete (10 retries left).

This is probably because downloading parcels into CM is taking too long or you no parcel sources are available. At this point CM downloads parcels to build a cluster