I had this issue about a year back with Cloud Foundry, and ended up writing a custom exporter that scrapes Cloud Foundries metrics directly. I didn't open source it and it's not robust, but that's always an option. It was ~50 LoC with NodeJS.
On Tuesday, June 9, 2020 at 9:14:28 AM UTC-4, Ben Kochie wrote: > > As far as I know, this is a design flaw in cloud foundry that you can't > get around. But I don't really know anything about cloud foundry outside of > the fact that it's nearly incompatible with Prometheus. > > On Tue, Jun 9, 2020 at 2:55 PM Hari Yada <[email protected] <javascript:>> > wrote: > >> How to have direct access to all instances, I have my app deployed on >> cloud-foundry and hence don't have access to the individual instance >> routes.. >> >> On Tuesday, June 9, 2020 at 10:17:18 AM UTC+5:30, Hari Yada wrote: >>> >>> Hi Experts, >>> >>> I have an application and it is scaled to 3 instances. Using >>> Prometheus I would like to scrape the metrics per each instance. for >>> example i would like to know how many number of http requests received per >>> instance. >>> so i am exposing a metric like this requests_total >>> {instance_id="xxxxxxx",} >>> 9.0. finally i have specified the application url in prometheus config >>> file. >>> >>> * problem that i am facing*: >>> >>> since the service is load-balanced, when prometheus scrapes it hits one >>> of the instance and fetch the metrics. eg: if prometheus hits instance one >>> , at this point in time it will not have the details of instance2 and 3 and >>> hence there are >>> gaps in the graphs for this scrape interval. >>> >>> to avoid the above situation, i need to use a persistence store to store >>> the metrics for all the instances and when prometheus asks that time i need >>> it fetch from the store. >>> >>> Generally i would like to know what is the recommended way for this kind >>> of situation >>> >>> Best Regards, >>> Hari >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "Prometheus Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/prometheus-users/6f1c0708-b0e9-46f1-8a13-e2a9b8668ba0o%40googlegroups.com >> >> <https://groups.google.com/d/msgid/prometheus-users/6f1c0708-b0e9-46f1-8a13-e2a9b8668ba0o%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/f70e096e-7a1e-484f-959d-1085d1c0ce7eo%40googlegroups.com.
