mudhorn/prometheus
1
0
Fork 0
mirror of https://github.com/prometheus/prometheus.git synced 2024-12-26 06:04:05 -08:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

Merge pull request #2957 from prometheus/sd-doc

Browse source 
Tweaks to SD README from review
This commit is contained in:
Fabian Reinartz 2017-07-28 08:51:50 +02:00 committed by GitHub
parent 4b868113bb 84be97bd98
commit 40db026381
1 changed files with 5 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
discovery/README.md
View file

@ -47,10 +47,12 @@ file for use with `file_sd`.
The general principle with SD is to extract all the potentially useful The general principle with SD is to extract all the potentially useful
information we can out of the SD, and let the user choose what they need of it information we can out of the SD, and let the user choose what they need of it
using relabelling. This information is generally termed metadata. using
[relabelling](https://prometheus.io/docs/operating/configuration/#<relabel_config>).
This information is generally termed metadata.
Metadata is exposed as a set of key/value pairs (labels) per target. The keys Metadata is exposed as a set of key/value pairs (labels) per target. The keys
are prefixed with `__meta_sdname_`, and there should also be an `__address__` are prefixed with `__meta_<sdname>_<key>`, and there should also be an `__address__`
label with the host:port of the target (preferably an IP address to avoid DNS label with the host:port of the target (preferably an IP address to avoid DNS
lookups). No other labelnames should be exposed. lookups). No other labelnames should be exposed.
@ -79,7 +81,7 @@ combined.
For machine-like SDs (OpenStack, EC2, Kubernetes to some extent) there may For machine-like SDs (OpenStack, EC2, Kubernetes to some extent) there may
be multiple network interfaces for a target. Thus far reporting the details be multiple network interfaces for a target. Thus far reporting the details
of only the first network interface has sufficed. of only the first/primary network interface has sufficed.
### Other implementation considerations ### Other implementation considerations