Parse Environment Variables located inside log_files.yml

[johlym]

Submitting this on behalf of a user. When deploying remote_syslog2 in an automated fashion, it helps to be able to use environment variables to automatically point remote_syslog2 in the right direction toward the log files of the application.

Example

files: 
- <%= ENV['MY_VAR'] %>/path/to/logfile.log 
- <%= ENV['MY_VAR'] %>/path/to/second.log 

destination: 
  host: logs.papertrailapp.com 
  port: 12345 
  protocol: tls

Note: the tags are ERB but we could possibly come up with a standard implementation of this.

[snorecone]

I think this would typically be handled by config management, like chef, puppet, etc., and would be outside the responsibility of remote_syslog2.

That being said, it's possible to pass in a list of log files on the command line as additional arguments, so that env vars would be expanded, like:

remote_syslog -D -d a.example.com -f local0 "${MYVAR}/path/to/logfile.log" "${MYVAR}/path/to/second.log"

[johlym]

That makes sense, though would get a bit unwieldy beyond a handful of log files. 

Johnathan

On Mon, Sep 26, 2016 at 12:46 PM Mark Martin

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wrote:

a, pre, code, a:link, body { word-wrap: break-word !important; }

I think this would typically be handled by config management, like chef, puppet, etc., and would be outside the responsibility of remote_syslog2.

That being said, it's possible to pass in a list of log files on the command line as additional arguments, so that env vars would be expanded, like:

remote_syslog -D -d a.example.com -f local0 "${MYVAR}/path/to/logfile.log" "${MYVAR}/path/to/second.log"

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[sethherr]

I took the log_files.yml from this template, which is referenced by Papertrail's Cloud 66 instruction.

While parsing of ENV variables in log_files.yml would be cool, there's an easier solution - if that instruction page explained that you need to replace the variables manually I wouldn't have had a problem.