benvin
c05ccfcb5d
logarchiver replaces the plain Vector archiver leg of the centralized logging stack (argocd-apps #296) with a Go service that archives raw logs from NATS JetStream to S3 as zstd-compressed, OpenPGP-encrypted, indexed objects, plus an operator CLI to search the index and retrieve/decrypt archived logs. It adds the things that outgrew Vector: zstd compression, encryption keyed from Ben's Vault GPG secrets engine, a searchable ClickHouse index, and sink-conditional acks (a batch is acknowledged to JetStream only after the object is durably in S3 AND indexed). Service (`logarchiver run`): - Durable JetStream pull consumer (stream LOGS, durable archiver, subject filter default logs.k8s.vault.>), explicit acks, independent offsets. - Batch per subject by size/count/time -> NDJSON -> zstd -> encrypt -> S3 PUT -> ClickHouse index row -> ack. On any failure the batch is Nak'd and redelivered, so nothing is lost on a sink outage. - Encryption is a wrapped-DEK envelope (container LARC1): the bulk is AES-256-GCM framed under a random data key, and only that 32-byte key is OpenPGP-encrypted to the engine's public key. This is because the Vault GPG engine does whole-payload decrypt only; retrieval round-trips just the tiny wrapped key regardless of object size. Public key fetched from the engine or a mounted file (configurable); key fingerprint recorded per object; periodic pubkey refresh for rotation. - Prometheus metrics, structured slog, graceful drain on shutdown. CLI: - `search` queries the index (subject/host/time) and lists matching objects. - `fetch` downloads, decrypts via the Vault GPG engine, unzstds and emits NDJSON (optionally re-filtered by host/time). - `init-schema` creates/prints the ClickHouse archive_index DDL. - cobra `completion` subcommands. Config via file+env (k8s-friendly, secrets from env), boundaries (NATS/S3/ ClickHouse/Vault) behind interfaces with unit tests (config, batching, host/subject extraction, crypto roundtrip with a test key, ack-after-persist with fakes, search query building). go build/vet/test -race clean; golangci-lint v2 clean. Woodpecker CI: build/test/pre-commit on PR; on v* tag a container image plus a Gitea binary release + rpm-internal RPM. Docs per subcommand + architecture + retrieval runbook + deployment drop-in. Claude-Session: https://claude.ai/code/session_015ur3i7D2azsMAWTSVABApv
28 lines
774 B
YAML
28 lines
774 B
YAML
repos:
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- repo: https://github.com/pre-commit/pre-commit-hooks
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rev: v5.0.0
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hooks:
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- id: trailing-whitespace
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- id: end-of-file-fixer
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- id: check-yaml
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- id: check-added-large-files
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- id: check-merge-conflict
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- repo: https://github.com/dnephin/pre-commit-golang
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rev: v0.5.1
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hooks:
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- id: go-fmt
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- id: go-mod-tidy
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# logarchiver has no root-level Go files (all under cmd/, internal/), so the
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# dnephin go-vet hook (which runs `go vet` at the repo root) fails with
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# "no Go files". Vet the whole module instead, mirroring encapi/artifactapi.
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- repo: local
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hooks:
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- id: go-vet
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name: go vet
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entry: go vet ./...
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language: system
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types: [go]
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pass_filenames: false
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