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Add Prometheus metrics + vmagent push to obs.88oakapps.com
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Adds internal/prom package with histograms for HTTP, GORM, B2, APNs, and
FCM, wired into the Echo router (HTTPMiddleware + /metrics) and GORM via
statement-level callbacks (no ctx plumbing needed). Storage and push
clients call ObserveB2Upload / ObserveAPNsSend / ObserveFCMSend at the
network round-trip points.

Existing internal/monitoring metrics move to /metrics/legacy so the
canonical /metrics emits proper histogram buckets for p50/p95/p99 rollups.

deploy-k3s/manifests/observability/vmagent.yaml deploys a single-replica
vmagent in the honeydue namespace that scrapes api Pods on :8000/metrics
every 15s and remote-writes to https://obs.88oakapps.com/api/v1/write
with a bearer token (substituted at deploy time from OBS_INGEST_TOKEN
in deploy/prod.env). NetworkPolicies allow vmagent egress to api Pods
and to the public obs endpoint over :443; the obs side runs
VictoriaMetrics + Jaeger + Grafana on 88oakappsUpdate.

docs/observability-plan.md captures the full plan including resource
budget, instrumentation table, 4-step rollout, and migration triggers.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Trey t
2026-04-25 14:16:17 -05:00
parent 1cd6cafa9d
commit df78d9ccd8
10 changed files with 622 additions and 3 deletions
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go.mod
+7
View File
@@ -33,6 +33,7 @@ require (
)
require (
github.com/beorn7/perks v1.0.1 // indirect
github.com/dustin/go-humanize v1.0.1 // indirect
github.com/go-ini/ini v1.67.0 // indirect
github.com/klauspost/compress v1.18.2 // indirect
@@ -40,9 +41,15 @@ require (
github.com/klauspost/crc32 v1.3.0 // indirect
github.com/minio/crc64nvme v1.1.1 // indirect
github.com/minio/md5-simd v1.1.2 // indirect
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
github.com/philhofer/fwd v1.2.0 // indirect
github.com/prometheus/client_golang v1.23.2 // indirect
github.com/prometheus/client_model v0.6.2 // indirect
github.com/prometheus/common v0.66.1 // indirect
github.com/prometheus/procfs v0.16.1 // indirect
github.com/rs/xid v1.6.0 // indirect
github.com/tinylib/msgp v1.6.1 // indirect
go.yaml.in/yaml/v2 v2.4.2 // indirect
go.yaml.in/yaml/v3 v3.0.4 // indirect
)