150 lines
3.8 KiB
HCL
150 lines
3.8 KiB
HCL
job "exporters" {
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datacenters = ["dc1"]
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type = "service"
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priority = 55
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constraint {
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distinct_hosts = true
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}
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group "promtail" {
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# TODO: This must be updated to match the nubmer of servers (possibly grabbed from TF)
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# I am moving away from `system` jobs because of https://github.com/hashicorp/nomad/issues/1202
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count = 2
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network {
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mode = "bridge"
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port "promtail" {
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%{~ if use_wesher ~}
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host_network = "wesher"
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%{~ endif ~}
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to = 9080
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}
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}
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service {
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name = "promtail"
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provider = "nomad"
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port = "promtail"
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meta {
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nomad_dc = "$${NOMAD_DC}"
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nomad_node_name = "$${node.unique.name}"
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}
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tags = [
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"prometheus.scrape",
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]
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}
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task "promtail" {
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driver = "docker"
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meta = {
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"diun.sort_tags" = "semver"
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"diun.watch_repo" = true
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"diun.include_tags" = "^[0-9]+\\.[0-9]+\\.[0-9]+$"
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}
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config {
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image = "grafana/promtail:3.3.0"
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args = ["-config.file=$${NOMAD_TASK_DIR}/promtail.yml"]
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ports = ["promtail"]
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# Bind mount host machine-id and log directories
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mount {
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type = "bind"
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source = "/etc/machine-id"
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target = "/etc/machine-id"
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readonly = true
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}
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mount {
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type = "bind"
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source = "/var/log/journal/"
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target = "/var/log/journal/"
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readonly = true
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}
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mount {
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type = "bind"
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source = "/run/log/journal/"
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target = "/run/log/journal/"
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readonly = true
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}
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# mount {
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# type = "bind"
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# source = "/var/log/audit"
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# target = "/var/log/audit"
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# readonly = true
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# }
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}
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template {
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data = <<EOF
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---
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server:
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http_listen_address: 0.0.0.0
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http_listen_port: 9080
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clients:
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{{ range nomadService 1 (env "NOMAD_ALLOC_ID") "loki" -}}
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- url: http://{{ .Address }}:{{ .Port }}/loki/api/v1/push
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{{- end }}
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scrape_configs:
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- job_name: journal
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journal:
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json: false
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max_age: 12h
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path: /var/log/journal
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labels:
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job: systemd-journal
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relabel_configs:
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- source_labels: ['__journal__systemd_unit']
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target_label: unit
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- source_labels: ['__journal__hostname']
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target_label: hostname
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- source_labels: ['__journal__transport']
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target_label: journal_transport
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# Docker log labels
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- source_labels: ['__journal_syslog_identifier']
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target_label: syslog_identifier
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- source_labels: ['__journal_image_name']
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target_label: docker_image_name
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- source_labels: ['__journal_container_name']
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target_label: docker_container_name
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- source_labels: ['__journal_container_id']
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target_label: docker_container_id
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- source_labels: ['__journal_com_docker_compose_project']
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target_label: docker_compose_project
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- source_labels: ['__journal_com_docker_compose_service']
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target_label: docker_compose_service
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- source_labels: ['__journal_com_hashicorp_nomad_alloc_id']
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target_label: nomad_alloc_id
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- source_labels: ['__journal_com_hashicorp_nomad_job_id']
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target_label: nomad_job_id
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- source_labels: ['__journal_com_hashicorp_nomad_job_name']
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target_label: nomad_job_name
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- source_labels: ['__journal_com_hashicorp_nomad_node_name']
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target_label: nomad_node_name
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- source_labels: ['__journal_com_hashicorp_nomad_group_name']
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target_label: nomad_group_name
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- source_labels: ['__journal_com_hashicorp_nomad_task_name']
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target_label: nomad_task_name
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EOF
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destination = "$${NOMAD_TASK_DIR}/promtail.yml"
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}
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resources {
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cpu = 50
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memory = 100
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}
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}
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}
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}
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