[ceilometer/collector.log] Return the first existing file (#1778)
[ceilometer/collector.log] Return the first existing file (#1778)

Resolves: #1772

Signed-off-by: Sachin Patil <025e457149a364706fa1d4c93a04869362de8933@redhat.com>
RedHatInsights/insights-core,RedHatInsights/insights-core