| 1 | { pkgs, ... }: |
| 2 | |
| 3 | { |
| 4 | services.prometheus = { |
| 5 | exporters.domain = { |
| 6 | enable = true; |
| 7 | listenAddress = "localhost"; |
| 8 | }; |
| 9 | |
| 10 | scrapeConfigs = [ |
| 11 | { |
| 12 | # https://github.com/caarlos0/domain_exporter#configuration |
| 13 | job_name = "domain"; |
| 14 | metrics_path = "/probe"; |
| 15 | relabel_configs = [ |
| 16 | { |
| 17 | source_labels = [ "__address__" ]; |
| 18 | target_label = "__param_target"; |
| 19 | } |
| 20 | { |
| 21 | target_label = "__address__"; |
| 22 | replacement = "localhost:9222"; |
| 23 | } |
| 24 | ]; |
| 25 | static_configs = [ |
| 26 | { |
| 27 | targets = [ |
| 28 | "nix.ci" |
| 29 | "nix.dev" |
| 30 | "nixos.org" |
| 31 | "ofborg.org" |
| 32 | ]; |
| 33 | } |
| 34 | ]; |
| 35 | } |
| 36 | ]; |
| 37 | |
| 38 | ruleFiles = [ |
| 39 | (pkgs.writeText "domain-exporter.rules" ( |
| 40 | builtins.toJSON { |
| 41 | groups = [ |
| 42 | { |
| 43 | name = "domain"; |
| 44 | rules = [ |
| 45 | { |
| 46 | alert = "DomainExpiry"; |
| 47 | expr = "domain_expiry_days != -1 and domain_expiry_days < 30"; |
| 48 | for = "1h"; |
| 49 | labels.severity = "warning"; |
| 50 | annotations.summary = "Domain {{ $labels.domain }} will expire in less than 30 days"; |
| 51 | } |
| 52 | { |
| 53 | alert = "DomainProbeFailure"; |
| 54 | expr = "domain_probe_success == 0"; |
| 55 | for = "1d"; |
| 56 | labels.severity = "warning"; |
| 57 | annotations.summary = "Domain {{ $labels.domain }} probe failing for more than 1 day."; |
| 58 | } |
| 59 | ]; |
| 60 | } |
| 61 | ]; |
| 62 | } |
| 63 | )) |
| 64 | ]; |
| 65 | }; |
| 66 | } |