136 lines
3.5 KiB
HCL
136 lines
3.5 KiB
HCL
job "loki" {
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datacenters = ["alo"]
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type = "service"
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update {
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max_parallel = 1
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health_check = "checks"
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min_healthy_time = "10s"
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healthy_deadline = "3m"
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progress_deadline = "5m"
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}
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group "loki" {
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count = 1
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# Run on primary storage node (zippy) for local disk performance
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# TODO: move to fractal once it's converted to NixOS (spinning disks OK for log data)
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constraint {
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attribute = "${meta.storage_role}"
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value = "primary"
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}
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restart {
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attempts = 3
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interval = "5m"
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delay = "25s"
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mode = "delay"
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}
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network {
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port "loki" {
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# static so that it can be hardcoded in the grafana data source
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static = 3100
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}
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}
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task "loki" {
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driver = "docker"
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config {
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image = "grafana/loki:2.9.13"
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args = [
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"-config.file",
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"local/loki/local-config.yaml",
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]
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ports = ["loki"]
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volumes = ["/data/services/loki:/loki"]
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}
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template {
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data = <<EOH
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auth_enabled: false
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server:
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http_listen_port: 3100
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ingester:
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lifecycler:
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address: 127.0.0.1
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ring:
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kvstore:
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store: inmemory
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replication_factor: 1
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final_sleep: 0s
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# Any chunk not receiving new logs in this time will be flushed
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chunk_idle_period: 1h
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# All chunks will be flushed when they hit this age, default is 1h
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max_chunk_age: 1h
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# Loki will attempt to build chunks up to 1.5MB, flushing if chunk_idle_period or max_chunk_age is reached first
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chunk_target_size: 1048576
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# Must be greater than index read cache TTL if using an index cache (Default index read cache TTL is 5m)
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chunk_retain_period: 30s
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max_transfer_retries: 0 # Chunk transfers disabled
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wal:
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dir: "/tmp/wal"
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schema_config:
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configs:
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- from: 2023-01-01
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store: boltdb-shipper
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object_store: filesystem
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schema: v11
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index:
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prefix: index_
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period: 24h
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storage_config:
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boltdb_shipper:
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active_index_directory: /loki/boltdb-shipper-active
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cache_location: /loki/boltdb-shipper-cache
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cache_ttl: 24h # Can be increased for faster performance over longer query periods, uses more disk space
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shared_store: filesystem
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filesystem:
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directory: /loki/chunks
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compactor:
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working_directory: /tmp/loki/boltdb-shipper-compactor
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shared_store: filesystem
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retention_enabled: true
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limits_config:
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reject_old_samples: true
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reject_old_samples_max_age: 168h
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ingestion_rate_strategy: local
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ingestion_rate_mb: 10
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ingestion_burst_size_mb: 20
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per_stream_rate_limit: 5MB
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per_stream_rate_limit_burst: 10MB
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retention_period: 744h
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chunk_store_config:
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max_look_back_period: 0s
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table_manager:
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retention_deletes_enabled: true
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retention_period: 744h
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EOH
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destination = "local/loki/local-config.yaml"
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}
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resources {
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cpu = 512
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memory = 256
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}
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service {
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name = "loki"
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port = "loki"
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check {
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name = "Loki healthcheck"
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port = "loki"
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type = "http"
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path = "/ready"
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interval = "20s"
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timeout = "5s"
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check_restart {
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limit = 3
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grace = "60s"
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ignore_warnings = false
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}
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}
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tags = [
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"traefik.enable=true",
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"traefik.http.routers.loki.entryPoints=websecure",
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"traefik.http.routers.loki.middlewares=oidc-auth@file",
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"metrics",
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]
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}
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}
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}
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}
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