May 2019
Intermediate to advanced
442 pages
11h 36m
English
Content preview from Hands-On Infrastructure Monitoring with Prometheus
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Custom service discovery fundamentals
The recommended way to integrate a custom service discovery is by relying on the file-based service discovery, file_sd. The way this integration should be implemented is to have a process (local or remote, scheduled or permanently running) query a data source (catalogue/API/database/configuration management database (CMDB)) and then write a JSON- or YAML-formatted file with all the targets and their respective labels on a path that's accessible by Prometheus. The file is then read by Prometheus either automatically through disk watches or on a schedule, which in turn allows you to dynamically update the targets that are available for scraping.
The following diagram illustrates the aforementioned workflow: ...
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