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monitoring: derive nginx_exporter_listen from per-host wg_ip #39

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Merged
findias merged 1 commit into from
May 6, 2026
Merged

monitoring: derive nginx_exporter_listen from per-host wg_ip #39

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4 changes: 3 additions & 1 deletion roles/monitoring/defaults/main.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -69,8 +69,10 @@ node_exporter_service_name: "node_exporter"

# nginx-prometheus-exporter (RU only — reads nginx stub_status, exports request
# count, accepts, connections by state; scraped by EU vmagent over WireGuard).
# Listen on per-host WG IP so multi-RU works. Falls back to global wg_ru_ip
# (10.10.0.2) for hosts without an explicit wg_ip — matches scrape.yml.j2 logic.
nginx_exporter_version: "latest"
nginx_exporter_listen: "10.10.0.2:9113" # RU WG interface
nginx_exporter_listen: "{{ hostvars[inventory_hostname].wg_ip | default(wg_ru_ip) }}:9113"
nginx_exporter_bin_dir: "/usr/local/bin"
nginx_stub_status_port: 8081 # localhost-only nginx server block

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