On Thursday 13 February 2020 at 13:16:19, Eric Covener wrote:
> On Wed, Feb 5, 2020 at 6:45 AM Antony Stone wrote:
> > Hi.
> >
> > I'm using Apache as a load-balancing proxy, following
> > https://httpd.apache.org/docs/2.4/mod/mod_proxy_balancer.html and
> > https://httpd.apache.org/docs/2.4/mod/mod_proxy_hcheck.html as guides to
> > setting it up.
> >
> > I've got it working fine when I use %{REQUEST_STATUS} in the health check
> > expression, but I'd like to use the content type of the returned header
> > for the health check.
> >
> > Following the "expression" link from the hcheck page and looking at
> > https://httpd.apache.org/docs/2.4/expr.html I think I should be able to
> > use %{CONTENT_TYPE} but this always returns status HcFl.
> >
> > Is there a list of what I can use in ProxyHCExpr definitions somewhere,
> > other than the two examples (request status, and body content) shown on
> > the above page?
> >
> > Any idea how to check the content-type of the returned response?
>
> Have you tried reading the value of the Content-Type response header
> instead of this built-in var?
No - how would I do that?
What should I use for ProxyHCExpr to achieve this?
Thanks,
Antony.
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