While working through T347355 , we noticed that the prometheus pollers do not send an Accept: header by default. While the blackbox exporter does support adding arbitrary headers, this feature is not yet exposed in our prometheus::blackbox::check::http Puppet resource .
Creating this ticket to:
Change 983948 had a related patch set uploaded (by Bking; author: Bking):
[operations/puppet@production] wdqs ldf: remove useragent param
Change 983949 had a related patch set uploaded (by Bking; author: Bking):
[operations/puppet@production] prometheus-blackbox: Expose ability to add arbitrary headers
Change 983949 abandoned by Bking:
[operations/puppet@production] prometheus-blackbox: Expose ability to add arbitrary headers
Reason:
superseded by 983948
Change 983947 had a related patch set uploaded (by Bking; author: Bking):
[operations/puppet@production] wdqs ldf: remove useragent param
Change 983947 merged by Bking:
[operations/puppet@production] wdqs ldf: remove useragent param
Change 983948 merged by Bking:
[operations/puppet@production] prometheus-blackbox: Expose ability to add arbitrary headers
Change 984212 had a related patch set uploaded (by Bking; author: Bking):
[operations/puppet@production] wdqs: Add Accept: header to LDF endpoint check
Change 984212 merged by Bking:
[operations/puppet@production] wdqs: Add Accept: header to LDF endpoint check
Based on the access log on wdqs1015 and the rendered Prometheus config in /etc/prometheus/blackbox.yml.d/query_wikidata_org_ldf.yml , this change appears to be working. As such, I'm closing out this ticket.