graph LR
subgraph LXD model 1
nrpe --- cos-proxy --- sc1[scrape-config]
end
sc1 --- prometheus
subgraph LXD model 2
zookeeper --- grafana-agent --- sc2[scrape-config]
end
sc2 --- prometheus
subgraph K8s model
prometheus
end
style sc1 stroke-width:4px
style sc2 stroke-width:4px
Generally, the prometheus config file (example) has the following form:
| Section | Provided by |
|---|---|
global |
promethehus |
rule_files |
rules from upstream charms; re-structured by prometheus |
alerting |
alertmanager |
tracing |
(not yet implemented) |
scrape_configs |
upstream charms, prometheus-scrape-config |
The scrape_configs section is made up of:
| Subsection | Provided by |
|---|---|
job_name |
upstream charm (optional); topology-prefixed and deduped (consumer side) |
static_configs |
upstream charm |
metrics_path |
upstream charm |
relabel_configs |
upstream charm (optional); topology-adjusted (consumer side) |
scrape_interval |
upstream charm, prometheus-scrape-config |
| etc. | upstream charm, prometheus-scrape-config |
This charm updates some values in the scrape_configs section.
The static_configs section is made up of:
| Sub-subsection | Provided by |
|---|---|
targets |
upstream charm (star notation expanded on consumer side) |
labels |
upstream charm |