Openscap

[dincamihai]

What does this PR do?

Oscap module small improvements

What issues does this PR fix or reference?

Return oscap returncode and stderr in response.

New Behavior

• salt-call --local openscap.xccdf "eval --profile Default /usr/share/openscap/scap-rhel6-xccdf.xml" --output=json

{
    "local": {
        "upload_dir": null,
        "returncode": 1,
        "success": false,
        "error": "Profile \"Default\" was not found.\n"
    }
}

• salt-call --local openscap.xccdf "eval --profile Default /usr/share/openscap/scap-yast2sec-xccdf.xml" --output=json

{
    "local": {
        "upload_dir": "/tmp/tmpubfZqF",
        "returncode": 2,
        "success": true,
        "error": ""
    }
}

Tests written?

Yes