Consider upgrade from td-agent2 to td-agent3

Let's see what the differences are and then upgrade everything if it brings us some benefits.

What's required:

• Change Apt Source to deb http://packages.treasuredata.com/3/ubuntu/{{ ansible_distribution_release }}/ {{ ansible_distribution_release }} contrib
• Review Pre-Install Guide
• Update config file:
  • https://docs.fluentd.org/v1.0/articles/update-from-v0.12
  • https://docs.fluentd.org/v1.0/articles/api-plugin-helper-compat_parameters

mentioned in commit 1848bcc2

Update is working and configuration is adjusted to the latest version

closed