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zino
2025-08-13 16:13:16 +02:00
parent d233b3a0b7
commit 6c39144434
1 changed files with 21 additions and 65 deletions
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86
progs/registry.mtail
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@@ -1,103 +1,59 @@
# Docker Registry via NGINX JSON logs -> Prometheus metrics (mtail)
# -------- Metrics (comma-separated labels)
counter registry_requests_total by method, path_class, status, repo, user, node
counter registry_pull_blob_bytes_total by repo, user, node
counter registry_pull_blob_seconds_total by repo, user, node
counter registry_push_upload_bytes_total by repo, user, node
counter registry_push_upload_seconds_total by repo, user, node
# -------- Field extraction (order-independent)
# Strings
/"method":"([A-Z]+)"/ {
method = $1
}
/"path":"([^"]+)"/ {
path = $1
}
/"remote_address":"([^"]*)"/ {
node = $1
}
/"remote_user":"([^"]*)"/ {
user = $1
}
/"docker_upload_uuid":"([^"]*)"/ {
upload_uuid = $1
}
/"docker_content_digest":"([^"]*)"/ {
digest = $1
}
/"upstream_range":"([^"]*)"/ {
up_range = $1
}
/"method":"([A-Z]+)"/ { method = $1 }
"/path":"([^"]+)"/ { path = $1 }
/"remote_address":"([^"]*)"/ { node = $1 }
/"remote_user":"([^"]*)"/ { user = $1 }
/"status":([0-9]{3})/ { status = $1 }
/"request_time":([0-9.]+)/ { request_time = $1 }
/"body_bytes_sent":([0-9]+)/ { body_bytes_sent = $1 }
/"upstream_range":"([^"]*)"/ { up_range = $1 }
/"docker_upload_uuid":"([^"]*)"/ { upload_uuid = $1 }
/"docker_content_digest":"([^"]*)"/ { digest = $1 }
# Numbers
/"status":([0-9]{3})/ {
status = $1
status_s = string(status)
}
/"request_time":([0-9.]+)/ {
request_time = $1
}
/"body_bytes_sent":([0-9]+)/ {
body_bytes_sent = $1
}
/"path":"\/v2\/(.+?)\/(blobs|manifests|tags|_catalog)/ { repo = $1 }
# Repo (supports namespaces) — capture everything after /v2/ up to common sections
/"path":"\/v2\/(.+?)\/(blobs|manifests|tags|_catalog)/ {
repo = $1
}
# Defaults per line (expression-style conditionals)
/$/ {
repo == "" { repo = "unknown" }
user == "" { user = "anonymous" }
node == "" { node = "unknown" }
}
# Parse upstream_range "a-b" => bytes = b+1 (exact uploaded bytes)
/"upstream_range":"([0-9]+)-([0-9]+)"/ {
uploaded_bytes = int($2) + 1
}
/"upstream_range":"([0-9]+)-([0-9]+)"/ { uploaded_bytes = int($2) + 1 }
# -------- Classify & emit
# PULL: GET /v2/<repo>/blobs/sha256:<digest>
/"method":"GET".*"\/v2\/.+\/blobs\/sha256:[a-f0-9]+"/ {
registry_pull_blob_bytes_total[repo][user][node] += body_bytes_sent
registry_pull_blob_seconds_total[repo][user][node] += request_time
registry_requests_total[method]["pull_blob"][status_s][repo][user][node]++
registry_requests_total[method]["pull_blob"][status][repo][user][node]++
}
# PUSH upload (data transfer): PATCH /v2/<repo>/blobs/uploads/<uuid> 202
/"method":"PATCH".*"\/v2\/.+\/blobs\/uploads\/[a-f0-9-]+"/ {
uploaded_bytes > 0 {
registry_push_upload_bytes_total[repo][user][node] += uploaded_bytes
}
uploaded_bytes > 0 { registry_push_upload_bytes_total[repo][user][node] += uploaded_bytes }
registry_push_upload_seconds_total[repo][user][node] += request_time
registry_requests_total[method]["push_upload"][status_s][repo][user][node]++
registry_requests_total[method]["push_upload"][status][repo][user][node]++
uploaded_bytes = 0
}
# PUSH start/end bookkeeping
/"method":"POST".*"\/v2\/.+\/blobs\/uploads\/"/ {
registry_requests_total[method]["push_start"][status_s][repo][user][node]++
registry_requests_total[method]["push_start"][status][repo][user][node]++
}
/"method":"PUT".*"\/v2\/.+\/blobs\/uploads\/[a-f0-9-]+"/ {
registry_requests_total[method]["push_commit"][status_s][repo][user][node]++
registry_requests_total[method]["push_commit"][status][repo][user][node]++
}
# Manifest pulls
/"method":"GET".*"\/v2\/.+\/manifests\/[^"]+"/ {
registry_requests_total[method]["pull_manifest"][status_s][repo][user][node]++
registry_requests_total[method]["pull_manifest"][status][repo][user][node]++
}
# Manifest writes
/"method":"PUT".*"\/v2\/.+\/manifests\/[^"]+"/ {
registry_requests_total[method]["push_manifest"][status_s][repo][user][node]++
registry_requests_total[method]["push_manifest"][status][repo][user][node]++
}
# /v2/ probe (auth challenge etc.)
/"path":"\/v2\/"/ {
registry_requests_total[method]["v2_root"][status_s]["none"][user][node]++
registry_requests_total[method]["v2_root"][status]["none"][user][node]++
}