unkinben
c39af2f9c3
Rework the logging pipeline around a durable message bus so logs survive a ClickHouse outage, can be replayed after a bad transform, and fan out to multiple independent consumers. Add long-term raw-log backup to S3. Topology becomes edge -> JetStream -> consumers -> sinks: - Dedicated JetStream NATS cluster (3 replicas, file storage) in the logging namespace. Deliberately separate from app messaging (streamstack) for blast-radius isolation. Stream LOGS (subjects logs.>, retention=limits, 40GiB / 72h) is the outage buffer; durable consumers give independent offsets. - Edge publishers (thin): the k8s DaemonSet and a new VM-ingest Deployment (HTTP NDJSON front door behind the logs-ingest Gateway) publish into JetStream (logs.k8s.<ns>.<container> / logs.vm.<host>). No parsing on the edge. - Transform tier (StatefulSet): pulls the whole stream via the durable `transform` consumer, routes by subject, shapes, and remains the sole ClickHouse writer. Its disk buffer shrinks (JetStream is the outage buffer). - Archiver (Deployment): its OWN durable `archiver` consumer (independent offsets — archive lag never affects the ClickHouse path) writes RAW, pre-transform events to a Ceph RGW S3 bucket (cephrgw-operator ObjectStoreUser + Bucket + BucketAccess) as gzipped NDJSON keyed by raw/<subject>/YYYY/MM/DD/. Default subject filter is Vault audit (logs.k8s.vault.>), configurable. Auth: distinct NATS users (producer publish-only, consumer pull+ack, admin for the stream/consumer bootstrap Job) with passwords from Vault (nats-auth Secret); S3 creds from the BucketAccess Secret. Streams/consumers are provisioned by an idempotent PostSync bootstrap Job. Add local kubeconform schemas for the ceph.unkin.net CRDs (datreeio lacks them) and extend the vector-test CI to cover the agent, VM-ingest and archiver configs. Verified end-to-end locally: NATS ACLs, vector JetStream publish, and durable-consumer pull+ack (at-least-once) all work. Claude-Session: https://claude.ai/code/session_015ur3i7D2azsMAWTSVABApv
51 lines
1.3 KiB
YAML
51 lines
1.3 KiB
YAML
---
|
|
# Vector VM-INGEST tier — the VM front door. Thin: accepts NDJSON over HTTPS
|
|
# (behind the logs-ingest Gateway) from puppet-managed VMs, attaches only a
|
|
# routing token, and publishes into JetStream (subject logs.vm.<host>). No
|
|
# parsing here — shaping happens in the transform tier after JetStream, so VM
|
|
# logs get the same durability/replay/fan-out as k8s logs.
|
|
data_dir: /vector-data-dir
|
|
|
|
api:
|
|
enabled: true
|
|
address: 0.0.0.0:8686
|
|
|
|
sources:
|
|
vm_http:
|
|
type: http_server
|
|
address: 0.0.0.0:8080
|
|
path: /
|
|
method: POST
|
|
decoding:
|
|
codec: json
|
|
framing:
|
|
method: newline_delimited
|
|
|
|
transforms:
|
|
# Routing metadata only: derive a NATS-subject-safe host token.
|
|
tag:
|
|
type: remap
|
|
inputs:
|
|
- vm_http
|
|
source: |
|
|
host = to_string(.host || .hostname || "unknown") ?? "unknown"
|
|
.host_token = replace(host, r'[^a-zA-Z0-9_-]', "_")
|
|
|
|
sinks:
|
|
to_jetstream:
|
|
type: nats
|
|
inputs:
|
|
- tag
|
|
url: nats://nats.logging.svc.cluster.local:4222
|
|
connection_name: vector-vm-ingest
|
|
subject: "logs.vm.{{ host_token }}"
|
|
jetstream:
|
|
enabled: true
|
|
auth:
|
|
strategy: user_password
|
|
user_password:
|
|
user: log-producer
|
|
password: ${NATS_PRODUCER_PASSWORD}
|
|
encoding:
|
|
codec: json
|