Changes for Prometheus3 - BBS config for cf_exporter and custom.rules.yml#582
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lgtm ,thank you @cweibel
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Problems:
cf_application_instances_runningthecf_exporterneeds to be configured to connect to BBS.cf_exporteralready supports scraping from BBS if certain environment variables are set, however the spec that configures this on the Prometheus side was missing./var/vcap/jobs/prometheus2/config/custom.rules.ymlinprometheus.ymleven though the file is rendered correctly to/var/vcap/jobs/prometheus/config/custom.rules.yml. This results in the custom rules file being ignored. Referenced in issue Prometheus3 custom_rules hardcoded to prometheus2 path #580Solutions:
cf_exporter.bbs.ca,cf_exporter.bbs.cert,cf_exporter.bbs.keywhich are supplied from CF credhub variablediego_bbs_client.ca,diego_bbs_client.certificate,diego_bbs_client.private_key. When combined withdiego_bbs_api_urlthese are the 4 values required to have the cf_exporter scrape the BBS endpoint.prometheus.ymlto point to the new job location with the renaming of jobs from Prometheus2 to Prometheus3