tools/salt-install/config_examples/multi_host/aws/pillars/alloy.sls

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: Apache-2.0
   4
   5 {%- set prom_user = "__MONITORING_USERNAME__" %}
   6 {%- set prom_pass = "__MONITORING_PASSWORD__" %}
   7 {%- set prom_host = "prometheus.__DOMAIN__" %}
   8 {%- set loki_user = "__MONITORING_USERNAME__" %}
   9 {%- set loki_pass = "__MONITORING_PASSWORD__" %}
  10 {%- set loki_host = "loki.__DOMAIN__" %}
  11
  12 alloy:
  13   enabled: True
  14   package: "alloy"
  15   service: "alloy"
  16   config_path: "/etc/alloy/config.alloy"
  17   config_contents: |
  18     ////////////////////////////////////////////////////////////////////////
  19     // File managed by Salt. Your changes will be overwritten.
  20     ////////////////////////////////////////////////////////////////////////
  21     logging {
  22       level = "warn"
  23     }
  24
  25     prometheus.exporter.unix "default" {
  26       include_exporter_metrics = true
  27       disable_collectors       = ["mdadm"]
  28     }
  29
  30     prometheus.scrape "default" {
  31       targets = concat(
  32         prometheus.exporter.unix.default.targets,
  33         [{
  34           // Self-collect metrics
  35           job         = "alloy",
  36           __address__ = "127.0.0.1:12345",
  37         }],
  38       )
  39
  40       forward_to = [
  41         prometheus.remote_write.metrics_service.receiver,
  42       ]
  43     }
  44
  45     prometheus.remote_write "metrics_service" {
  46       endpoint {
  47         url = "https://{{ prom_host }}/api/v1/write"
  48
  49         basic_auth {
  50           username = "{{ prom_user }}"
  51           password = "{{ prom_pass }}"
  52         }
  53       }
  54     }
  55
  56     local.file_match "file_logs" {
  57       path_targets = [
  58         {"__path__" = "/var/log/nginx/*.log"},
  59         {"__path__" = "/var/www/arvados-api/shared/log/production.log"},
  60       ]
  61       sync_period = "5s"
  62     }
  63
  64     loki.source.file "log_scrape" {
  65       targets    = local.file_match.file_logs.targets
  66       forward_to = [loki.write.grafana_loki.receiver]
  67       tail_from_end = true
  68     }
  69
  70     loki.source.journal "journal_logs" {
  71       relabel_rules = loki.relabel.journal.rules
  72       forward_to = [loki.write.grafana_loki.receiver]
  73       labels = {component = "loki.source.journal"}
  74     }
  75
  76     loki.relabel "journal" {
  77       forward_to = []
  78
  79       rule {
  80         source_labels = ["__journal__systemd_unit"]
  81         target_label  = "systemd_unit"
  82       }
  83       rule {
  84         source_labels = ["__journal__hostname"]
  85         target_label = "systemd_hostname"
  86       }
  87       rule {
  88         source_labels = ["__journal__transport"]
  89         target_label = "systemd_transport"
  90       }
  91     }
  92
  93     loki.write "grafana_loki" {
  94       endpoint {
  95         url = "https://{{ loki_host }}/loki/api/v1/push"
  96
  97         basic_auth {
  98           username = "{{ loki_user }}"
  99           password = "{{ loki_pass }}"
 100         }
 101       }
 102     }