Backticks work, thanks. On 13/07/2015 12:53, Scheidler, Balázs wrote:

Hi,

you can use backticks to refer to environment variables. I think these were introduced in 3.4.

tcp(port(`MY_PORT`))

It can also use values defined within the configuration files using the @define pragma:

@define MY_PORT 12345

Or something like that.

-- Bazsi

On Mon, Jul 13, 2015 at 8:44 AM, Peter Flood <info@whywouldwe.com <mailto:info@whywouldwe.com>> wrote:

Hi

I'm trying configure syslog-ng, I'd like to be able to use environment variables for host & port. I've tried the ones that work in the template formatter but it's not working (not suprisingly). Is there another way?

destination d_my_dest { tcp("$(env MY_HOST)" port($(env MY_PORT)) # this doesn't work as you can't get env vars unless in a template tls(peer-verify(required-untrusted) ca_dir("/etc/syslog-ng/cert.d")) template(myTemplate)); };

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