Hi Guillaume Ok..!
Today I saw one VCL where it was resolving actual backend from director in miss/pass function. I have not tried it. Will let you know how it goes.. Thank you Hardik On Thu, 30 May 2019, 22:23 Guillaume Quintard, < [email protected]> wrote: > Hi, > > Getting the resolved backend in v_b_f won't be possible until > https://github.com/varnishcache/varnish-cache/pull/2680 gets merge. In > the meantime (unless you write the vmod for it), there's no way to > pre-resolve the director. > > -- > Guillaume Quintard > > > On Wed, May 29, 2019 at 6:26 PM Hardik <[email protected]> wrote: > >> Thanks Guillaume. >> >> I am already using bereq.backend in v_b_f which is giving director name. >> As you have pointed out, I want 'exact' backend name inside director. >> Also before sending to origin because want to set few headers for origin >> as per exact backend. >> >> On Thu, 30 May 2019, 04:20 Guillaume Quintard, < >> [email protected]> wrote: >> >>> Hi, >>> >>> man vcl is your friend. I believe what you want is "bereq.backend" >>> >>> Also, you could just write: std.log("using backend: " + bereq.backend) >>> >>> note that bereq.backend will return the unresolved backend, meaning that >>> if backends are inside a director, you'll get the name of the director, >>> since the backend choice happens between v_b_f and v_b_r. To know what >>> exact backend was used, you have to check in v_b_r. >>> >>> cheers, >>> -- >>> Guillaume Quintard >>> >>> >>> On Wed, May 29, 2019 at 4:56 AM Hardik <[email protected]> wrote: >>> >>>> Hi Team, >>>> >>>> Requirement : *to set few headers based on backend origin ( having >>>> multiple origins/backends in single director)*. >>>> >>>> I want to do similar to this. >>>> https://stackoverflow.com/questions/43357690/varnish-vcl-how-can-i-switch-on-req-backend-hint >>>> >>>> sub vcl_backend_fetch { >>>> if (bereq.backend.name == "one") { >>>> std.log("one"); >>>> } else if (bereq.backend.name == "two") { >>>> std.log("two"); >>>> } else { >>>> std.log("neither one"); >>>> } >>>> } >>>> >>>> >>>> I am trying to do same (inside b_fetch) but getting error that symbol >>>> not found. I am using varnish 6.1. >>>> Is this different function call/name for varnish 6.1 ? >>>> >>>> Thank you >>>> Hardik >>>> >>>> >>>> _______________________________________________ >>>> varnish-misc mailing list >>>> [email protected] >>>> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >>>> >>>
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