mirror of
https://github.com/git-pkgs/proxy.git
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| Author | SHA1 | Message | Date | |
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496f272fed |
List recent failures under each failure count on /ui/analytics
- Add ui_failure_details / PROXY_UI_FAILURE_DETAILS, off by default - Each failure row expands to its latest failures, newest first - Show a note naming the config key when failures exist and the flag is off - Document the flag in README, configuration reference and example config |
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3b262f101b |
Record the detail behind each failure counter
- Failure recorders take a FailureDetail: PURL, filename, URL, storage path, error - Keep the last 20 failures per counter series in memory, reset on restart - Strip userinfo, query and fragment from URLs, including those inside error text - Pass the detail from upstream, storage, integrity, health probe and scan call sites - Package names and URLs stay out of Prometheus labels |
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42b4303b71 |
Enable storage retention for cran
Source, archived and binary packages are stored under pkg:cran/{name}, the name from the filename with its case kept, and purl keeps cran names as they are. Package rules use the default mapping and match the name as published, so pkg:cran/rcpp doesn't cover Rcpp.
The mirror can't fetch cran packages, so there's no mirror test.
Refs #306
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1d88be53ab |
Enable storage retention for alpine
Packages are stored as pkg:apk/alpine/{name} whichever configured repository they came from, so a package rule covers the package in all of them. Rules may leave out the alpine namespace (pkg:apk/curl); another namespace could never match and is refused. The docs row warns that Alpine mirrors only keep the current build, so an evicted older one can't come back.
The mirror can't fetch apk packages, so there's no mirror test.
Refs #306
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d2a069f6f2 |
Cache configured version-pinned paths of generic upstreams (#424)
* Cache configured version-pinned paths of generic upstreams
The generic handler only knew GitHub release asset paths were immutable, so
any other download, such as Maven from archive.apache.org, went through the
metadata route: streamed uncached by default, or kept as metadata and never
listed as a package.
upstream.generic_artifacts maps a generic upstream to regular expressions
for its version-pinned paths. A pattern must match the whole path after
/generic/{name}/ and has version and file named groups, plus an optional
name group. Matching downloads take the release asset route: cached in the
artifact cache, served while the upstream is down, and listed under the
generic ecosystem. Other paths are unchanged.
* Fix generic artifact cache identity and query forwarding
* Serve generic release assets cached under the unhashed key
Release assets cached before hashed keys used {repository}/{asset} and
became unreachable after an upgrade, so an offline upstream returned 502.
Serve such an entry when its recorded upstream URL matches the request.
---------
Co-authored-by: Giles Westwood <201443+gilesw@users.noreply.github.com>
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b664530f88 |
Add age-based retention for cached artifacts (#428)
* Add age-based retention for cached artifacts
Cached artifacts stayed forever unless storage.max_size pushed them out.
storage.retention adds a default, per-ecosystem and per-package duration
after which an artifact nobody downloaded gets evicted.
Ecosystems opt in one at a time: a handler registers with
retention.Default, and until it does, configuring that ecosystem (or one
of its packages) fails validation, and the default doesn't touch it. This
commit registers none, so nothing changes yet. Startup logs which
ecosystems the default covers and which it doesn't.
An artifact counts as expired when both its fetch time and its last
access are older than the cutoff. Checking only the last access would
evict a refetched artifact again right away, since clearing a record
keeps its old access time and a cache miss doesn't record a hit.
The sweep scans artifacts in id windows, so no single query holds the
SQLite connection for long, and checks each row against its own rule.
Expired records are cleared and their files go through pending_deletes
instead of being deleted directly, because a buffered hit can make an
artifact that's being served right now look expired. Buffered hits are
flushed before each sweep, and one sweep clears at most 10,000
artifacts.
Since a big first sweep can queue a lot, reclaim now keeps working
through due entries for up to 30 seconds per tick instead of stopping
after 100, and pending_deletes gets an index on queued_at.
Also:
- proxy_artifacts_evicted_total{reason, ecosystem} counts LRU and
retention evictions.
- gradle.build_cache.max_age accepts "7d", as its comment always said.
Refs #306
* Document storage retention
Describes the new storage.retention block, the order rules apply in,
that the default only covers ecosystems that support retention yet, and
what to expect from the first sweep over an old cache. Also lists the
new eviction counter and notes that gradle max_age takes days.
Refs #306
* Fix retention timing on Postgres and tighten the sweep
On Postgres, fetched_at and last_accessed_at are TIMESTAMP columns
without a zone. They hold the local time the proxy wrote, but lib/pq
reads them back labelled UTC. East of UTC that makes every artifact look
hours younger than it is, so the sweep evicted late: two hours in
Berlin, nine in Tokyo. The candidates' times are now read back as local
time, and the database tests run on both SQLite and Postgres, with one
that sets the local zone to Asia/Tokyo.
A few smaller things:
- When a delete fails, reclaim stops for the rest of the minute instead
of trying every queued path. Otherwise a storage outage turns into
thirty seconds of failed deletes and warnings every minute.
- If the buffered hits can't be written, the sweep skips that round.
Running on stale access times could clear something that is being
downloaded right now.
- DefaultCanonical only accepts a package key when rebuilding it gives
the same PURL. For alpine and deb it would otherwise produce keys
that never match.
- sweep_interval has to be at least a minute.
- New tests cover the eviction counter and an artifact that gets a hit
between the scan and the clear.
- The docs no longer say nothing changes without retention, and they
point out that the example's ecosystem and package rules only pass
validation once those ecosystems support retention.
Refs #306
* Reject qualifiers and subpaths in retention package keys
A rule names a whole package. Qualifiers like ?type=pom were dropped on
the way to the stored PURL and the rule quietly covered every file of the
package. Now such a key fails validation.
Refs #306
* Say when a package key doesn't match how packages are stored
A package rule for an ecosystem that supports retention, written in a
form its packages aren't stored under (pkg:npm/babel/core without the
@), failed with "retention is not supported for npm packages". Once the
ecosystem is enabled that is no longer true. Such a key now fails with
"does not match how npm packages are stored" and points to the package
rule forms in the docs. Keys for ecosystems without retention support
keep the old message.
Refs #306
* Note that re-running the mirror keeps packages cached
A mirror run over a package that is still cached goes through the normal
cache lookup and records a download, so the package's age starts over.
The docs only said that mirrored packages age from the time they were
mirrored.
Refs #306
* Say when an ecosystem takes no package rules
Some ecosystems will support retention without package rules, because nothing in their stored records names a package the way a PURL would (conan, helm). A package key for one of them used to fail with "does not match how conan packages are stored; see the package rule forms", which sends people looking for a form that doesn't exist. It now says package rules aren't supported there and points to the ecosystem rule.
Refs #306
* Use helm as the example of an ecosystem without package rules
Conan gets package rules once its handler stores archives under the recipe name, so the config test that shows the refusal now uses helm, whose cache records name the repository, not the chart.
Refs #306
* Say that each cached file ages on its own
The retention docs said each artifact, each version of a package, ages on its own. A version can have several cached files (a jar and its pom, several wheels, Conan sources and binaries), and each of them ages separately.
Refs #306
* Clear an expired artifact and queue its file in one transaction
The sweep cleared the record and queued the file for deletion as two separate writes. If queueing failed, or the process stopped in between, the file stayed in storage with no record pointing at it and no queue entry, and no later sweep would find it again. Both writes now share a transaction, so a failed queue rolls the clear back and the next sweep retries.
Refs #306
* Show artifact evictions on the analytics page
proxy_artifacts_evicted_total had no place on /ui/analytics. The Runtime card now lists evicted artifacts by reason and ecosystem, without the failure tint, and the coverage test records an eviction so it doesn't depend on test order.
Refs #306
* Store artifact times in UTC
fetched_at and last_accessed_at are now written in UTC, and the retention cutoffs are compared in UTC, the same convention #434 uses for the metadata cache. lib/pq sends a time with its offset and a Postgres TIMESTAMP keeps only the wall clock, so UTC on write is what reads back correctly. That replaces reinterpreting the times as local on read.
Rows written before this still hold local time. East of UTC they look younger by the offset until they are rewritten, so retention evicts them a few hours late once; west of UTC that much early.
Refs #306
---------
Co-authored-by: t <t@t>
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729138d778 |
Reject package requests with ? or # in the decoded path (#437)
* Reject package requests whose decoded path contains '?' or '#', in one middleware in front of every ecosystem mount. Handlers build the upstream URL from the decoded path, so busybox.apk%3F/foo-9.9-r0.apk fetched busybox but cached it as foo; PyPI could be poisoned the same way, and the other ecosystems stored files under mangled names past the denylist and cooldown. * Let Composer archive downloads through the '?'/'#' guard: they resolve the upstream URL from metadata, and with #433 a branch like dev-fix/#42 is requested as dev-fix%2F%2342. Adversarial review finding F1. |
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7b6c64af0a | proxy mirror and the mirror API now pre-fetch container images from pkg:docker and pkg:oci PURLs: the mirror walks index, platform manifests (with their attestations) and blobs through the container handler, so a later pull is served from cache even when the upstream is down. A --platform filter (platforms in the API) limits multi-arch images, repository_url only resolves to configured registries, and names, tags and digests are validated before anything is fetched. | ||
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cc18c889ad | proxy mirror now builds its upstream clients the same way as serve, so it follows OCI Bearer challenges, uses configured upstream credentials and the SSRF guard, and artifact downloads have no overall time limit. Before this the CLI used a plain client and Docker Hub answered every request with 401. | ||
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094a962697 | At most 64 fetches keep running after their client hangs up; beyond that a fetch is tied to its client again, so nobody can start an unbounded number of large downloads and leave. A server test now checks that client requests actually get the detach marker. | ||
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111b271273 | Arch Linux pacman repositories are now proxied at /arch/{name}/, with geo.mirror.pkgbuild.com as the built-in archlinux repository and more mirrors configurable under upstream.arch. Databases and file lists go through the metadata cache byte for byte, and a database signature is refreshed together with its database so the two always match. Packages and package signatures go to the artifact cache and stay available offline. The path is passed through unchanged, so Arch Linux ARM's $arch/$repo layout works too. README, config example, configuration docs and the dashboard have pacman instructions. | ||
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2ed0327946 | Keep fetching an artifact after the client that started the fetch disconnects. pacman gives up after 10 seconds without data, and since the proxy only starts sending once the whole file is stored, a large package on a slow upstream was cancelled on every try and never got cached. Client requests now mark their context so the shared fetch runs on context.WithoutCancel, still bounded by the artifact client timeout. Mirror jobs don't set the marker, so cancelling a job still aborts its fetches. | ||
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832a441781 |
Add package routes for private Composer and npm registries (#426)
* Add Composer package routes for private repositories
- Add upstream.composer_routes mapping package name patterns to repositories
- Serve matching packages only from their route, with no fallback to the default repository
- Qualify metadata and artifact cache keys with the route's upstream
- Give routed versions an empty notification-url so installs are not reported to notify-batch
- Document routes in configuration docs, example config and README
* Add npm package routes for private registries
- Add upstream.npm_routes mapping package name patterns to registries
- Serve matching packages only from their route, with no fallback to upstream.npm
- Resolve and validate tarball URLs against the route's registry
- Qualify metadata and artifact cache keys with the route's upstream
- Document npm routes and the audit endpoint limitation
* Share routed artifact filename qualification between handlers
* Match Composer routes without the ~dev suffix
Packagist serves a package's dev versions from {name}~dev.json, and the
handler matched routes against the name with ~dev still attached. An exact
route for example/library therefore missed /p2/example/library~dev.json, and
the private package's dev metadata came from the default repository.
- Match routes against the package name without ~dev, keeping it in the
upstream URL and the cache key so the two files stay apart
- Add a regression test with an exact route
* Keep routed npm publish times out of the shared versions row
The download cooldown check stores publish times under the plain version
PURL, which does not say which registry a version came from. A time read
from the default registry was trusted for a private version of the same
name, so a private release published an hour ago passed a seven-day
cooldown when the public one was a month old.
- Skip the stored row for routed packages, both reading and writing, and
take the publish time from the route's metadata, which is cached under
the route
- This also stops a private time from holding back the public version, and
a route's previous upstream from lending its times to the new one
- Cover adding a route after a public download, the reverse order, and
moving a route to another upstream
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1559be63e2 |
Route containerd ns mirror requests to configured registries (#405)
* Route containerd ns mirror requests to configured registries
containerd's hosts.toml mirrors append ?ns=<registry-host> to every
request. The container handler ignored it, so a single _default mirror
entry could not serve more than one registry.
ns is a closed-world lookup key and is never dialed. Docker Hub aliases
and the host of upstream.oci_default select the default route, hosts of
upstream.oci entries select their named upstream. Unknown hosts return
NAME_UNKNOWN so containerd falls back to its next host. Registry URLs
with a path are not indexed, because ns names the registry at the root
of a host. Host collisions log a warning and resolve deterministically.
With ns the path is the verbatim upstream repository, the reserved
upstream/ prefix is rejected, and repository prefix routes such as
Homebrew's do not apply. Cache names match the unprefixed and
upstream/{name}/ routes, so all routes share cached blobs, manifests and
tag lists. ns is no longer forwarded on tag-list requests, and the
pagination Link is rewritten per request instead of at store time so
clients on different routes get links for their own route.
Refs #303
* Document containerd ns mirroring
Refs #303
* Version the tag-list cache identity for the raw-link format
Tag-list rows now store the upstream Link verbatim and rewrite it per
request. Rows written by earlier versions hold a Link already rewritten
for one route. Under the unchanged key an older binary running next to
this one (rolling update on shared Postgres, or a rollback) would serve
the raw Link unrewritten, sending clients to the wrong route for the
next page. A format marker in the key keeps the two apart at the cost of
one cache miss per tag list after the upgrade.
Adversarial review finding F1: tag-list cache rows hold raw upstream
Links under unchanged keys, so an older binary serves them unrewritten.
* Qualify the README claim about ns mirror coverage
Registries whose URL has a path and hosts shared by two entries are not
reachable through ns; point to the configuration guide for both rules.
Adversarial review finding F3: README says ns covers every upstream.oci
registry.
* Redact registry URLs in ns index warnings
Configured registry URLs may carry userinfo credentials, which the new
startup warnings wrote to the log verbatim. Log them with the password
masked, and say precisely what a path-prefixed default registry means:
its host is not indexed, while the Docker Hub aliases still select it.
Adversarial review finding F2: startup warnings print registry URLs
unredacted and the default-registry message is misleading.
* Keep non-default ports apart in the ns index
Dropping 80 and 443 regardless of scheme turned https://host:80 and
https://host into the same key, so a request for one of them could land
on the other registry. Only the default port of the URL's scheme is
optional now. A configured host is indexed with and without that port,
because image references spell it either way; any other port has to
match exactly, and the ns value is used as containerd sends it, apart
from case and IPv6 brackets.
Since a URL now yields two keys that can belong to different routes,
the collision warning lists the owner per key.
The handler test runs two registries on one host that differ only in
the port. Tests can't bind 80 or 443, so a dialer maps those addresses
to the fake servers.
* Allow upstream/{name}/ together with ns when they agree
containerd sends ns on every request to a mirror host, override_path or
not. Per-registry mirrors pointing at /v2/upstream/{name} therefore
arrive as upstream/{name}/...?ns=<registry>, and refusing every prefixed
name under ns broke them, including the only way to mirror an upstream
whose URL has a path.
Such requests are now handled like the prefix route without ns, as long
as ns names that upstream's own host under the same port rules as the
index. Any other ns on a prefixed name is still NAME_UNKNOWN, so ns
can't be used to create cache entries under another registry's name.
* README: containerd config_path and how to check it
A _default/hosts.toml does nothing while CRI has no hosts directory
configured, so add the config.toml snippet for containerd 2.x and 1.x.
To check the setup, look at containerd config dump and pull with
crictl, then find the request in the proxy log; ctr --hosts-dir reads
the directory on its own and would succeed even without config_path.
Also mention that existing per-registry override_path entries keep
working and that k3s generates the directory itself.
* Let the prefix route take ns for aliases and mirrored registries
With upstream.oci.hub pointing at registry-1.docker.io and a docker.io
hosts.toml mirror on /v2/upstream/hub, containerd sends ns=docker.io,
and the prefix check only accepted the upstream's own host. The same
happens whenever the upstream is a mirror of the registry the nodes
pull from, say an Artifactory remote for ghcr.io: ns carries ghcr.io,
the upstream host is something else, and the pull got a 404.
The prefix already decides where the content comes from and which
cache entries are used, so ns can't redirect anything there. The check
now only refuses an ns that contradicts the prefix, meaning a host the
proxy knows that belongs to another route. The Docker Hub aliases count
as one host, and a host the proxy doesn't know at all is accepted,
since a client can only arrive at the prefix through its own mirror
entry.
* Take docker.io on every prefix route
A Docker Hub mirror configured as a named upstream (mirror.gcr.io, an
Artifactory remote) with a docker.io hosts.toml pointing at
/v2/upstream/hub got a 404 again: docker.io is always in the index for
the default route, so the check saw a known host of another route. That
setup worked before this branch. Docker Hub repository names have
exactly two path components, so docker.io/upstream/... can never be a
real image, and accepting the aliases on every prefix route shadows
nothing.
While here: the collision warning claimed ns requests go to the other
route, which is only true without the prefix, and the README said pulls
for unknown registries always get a 404, which isn't the case for paths
under upstream/{name}/.
* Only take a foreign ns on a prefix route when it is configured
A containerd _default mirror sends the same request for a pull of
unconfigured.example/upstream/mirror/owner/app as a ghcr.io hosts.toml
with override_path does for a mirror upstream. Accepting any host the
proxy didn't know therefore let such a pull be answered with owner/app
from the mirror upstream, a different image, instead of a 404 that lets
containerd go to the registry the image actually names.
The prefix route now accepts ns only for the upstream's own host, for
Docker Hub, and for hosts listed in the new upstream.oci_mirrors setting.
That setting is how an Artifactory remote of ghcr.io keeps working:
upstream:
oci_mirrors:
ghcr: ["ghcr.io"]
The listed hosts also select the upstream for unprefixed ns requests,
which makes a mirror with a path in its URL reachable through the
_default entry as well. Hosts from configured URLs still win over
mirror entries; the proxy warns about such overlaps at startup.
* Fix the docs sentence on which ns a prefix route takes
configuration.md still said a prefix request with ns is only refused
when ns names another route's host. Since the last commit it is the
other way round: only the upstream's own host, its oci_mirrors entries
and Docker Hub get through.
* Note what a host accepted on a prefix route gives up
Listing ghcr.io for an upstream (or the upstream's own host) still has
the ambiguity from the wildcard case: ghcr.io/upstream/ghcr/owner/app
lands on that upstream. That is the price of an explicit entry and
fine in practice, but it should be written down.
* Test that oci_mirrors entries stay with their own upstream
Two gaps in the coverage of the last change: nothing failed if a host
listed for one upstream was also accepted on another upstream's prefix,
and nothing checked that the server actually hands upstream.oci_mirrors
to the container handler. The handler test now has a second upstream
that must refuse ghcr.io, and a small server test pulls through a
mirror entry on both the prefix and the unprefixed route.
* Log when a prefix route refuses an ns
Setups with a ghcr.io hosts.toml pointing at a mirror upstream worked
before this branch and now need an oci_mirrors entry. Without one,
containerd gets a 404, quietly pulls from ghcr.io directly, and nobody
notices the proxy is being skipped. The refusal is now logged as a
warning that names the upstream and the ns and points at
upstream.oci_mirrors.
* Drop a check in validateOCIMirrors that could never fire
user@ghcr.io parses with ghcr.io as its host, so the parsed.Host != host
comparison already rejects it and the extra parsed.User test was dead.
A test case for a host with credentials keeps that path covered.
* Reject an oci_mirrors host that is listed for two upstreams
With ghcr.io under both art and nexus, both prefix routes took ns=ghcr.io
while unprefixed requests went to whichever name sorted first, with
nothing but a startup warning. Config validation now refuses the second
entry, comparing hosts without case and without the default :443.
* Log each refused ns once per upstream and refuse overlong values
The refusal warning fired on every request, and a node with a missing
oci_mirrors entry asks for the manifest and each layer, so the same line
piled up. Each upstream/ns pair is now logged once, for up to 1024
pairs; after that every refusal is logged again.
ns comes straight from the client and can be as long as the request
line allows, so remembering it as is would let anyone pin a lot of
memory with a handful of requests. No registry host is longer than 259
characters (a 253-character name plus a port), so anything longer is
refused right away, before it is logged or remembered.
* Compare oci_mirrors hosts the way the handler does
The duplicate check lowercased the host and trimmed :443, while the
handler splits host and port, brackets IPv6 literals and drops an empty
port. So ghcr.io and ghcr.io:, or [::1] and [::1]:, passed as different
hosts in two upstreams and then collided in the handler. The check now
builds the same key the handler uses.
* Rewrap the oci_mirrors paragraphs in the configuration docs
Two sentences had been dropped into the middle of wrapped lines, and the
prefix-route paragraph named Docker Hub twice in a row. Same content,
shorter lines, one mention.
* Stop logging ns refusals once the set is full
Past 1024 different upstream/ns pairs every refusal was logged again,
so anyone could fill the set with made-up hosts and then flood the log
at warning level. When the set is full the proxy now says so once and
keeps quiet after that. A real misconfiguration shows up long before
that, with the first pull.
* Test the limit on remembered ns refusals
Nothing covered what happens once 1024 pairs are remembered. The new
test fills the set, then sends a known pair and two new ones: the proxy
must log the limit notice exactly once, log none of the refusals and
keep the set at its size.
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8b3b933fd4 |
Stream archives when listing and reading browsed files (#408)
* Stream archives when listing and reading browsed files * Fail browse file responses on archive read errors |
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129e6c6c1b |
Filter cached packages by ecosystem using pills (#319)
* experimental filtering pills * align data in the dashboard table more nicely (#318) * Bump zizmorcore/zizmor-action from 0.6.2 to 0.6.3 (#333) Bumps [zizmorcore/zizmor-action](https://github.com/zizmorcore/zizmor-action) from 0.6.2 to 0.6.3. - [Release notes](https://github.com/zizmorcore/zizmor-action/releases) - [Commits]( |
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866e559285 |
Add cooldown package pattern overrides (#407)
* Add cooldown package pattern overrides * Expose full cooldown decisions through pattern policy * Reject unsafe cooldown pattern syntax |
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8cc63c40ee |
Cache rewritten npm and Composer metadata (#402)
The npm and Composer handlers rewrite every metadata document they serve so that download URLs point at the proxy: decode the whole document into generic maps, change the URLs, encode it again, and for Composer expand the minified format first. That ran on every request, cached metadata included. With metadata caching on and upstream out of the picture, a cached request still cost 7 ms for @babel/core, 17 ms for symfony/console and 155 ms and 134 MB of allocations for typescript, and an 8 vCPU VM serving cached npm packuments to 20 clients ran the proxy at 450% CPU for about 1,100 requests a second. Rewritten documents are now kept in memory, keyed by the ecosystem, proxy URL, package and a SHA-256 of the raw document, so new bytes from upstream are rewritten again and nothing is served stale. Requests that arrive while a document is being rewritten wait for that rewrite rather than running their own; a waiter leaves when its client does, and the rewrite still completes and is cached. The denylist is fixed at startup, so it needs no place in the key. Cooldown filtering depends on the current time, so with cooldown on the cache is bypassed. metadata_rewrite_cache_size bounds the cache (default "256MB", least recently used out first, "0" to rewrite on every request). NewProxy callers keep the old behaviour unless they set it. Whole cached requests, measured locally: @babel/core 7.1 ms -> 0.38 ms, 54,489 -> 119 allocations typescript 155 ms -> 10.5 ms, 1.37M -> 133 allocations symfony/console 17.4 ms -> 0.48 ms, 165,909 -> 123 allocations What remains is reading the raw document from storage and hashing it. |
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e7817dc86c |
Merge pull request #393 from wickedOne/analytics-6-source-attribution
[6/6] Attribute requests to a caller and a client tool |
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4261bcbc3f |
Show the by-client table regardless of ui_request_sources
The flag exists to withhold caller addresses. The by-client table carries none, and the same figures are already public at /metrics, so gating it left two metrics with no tile on the page in the default config. |
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7c129f9adb |
Merge pull request #391 from wickedOne/analytics-4-stats-breakdown
[4/6] Report the per-ecosystem breakdown from GET /stats |
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31b73784f5 |
Merge pull request #390 from wickedOne/analytics-3-page
[3/6] Add the /ui/analytics page |
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9dff45d36c |
Merge remote-tracking branch 'origin/main' into analytics-2-ecosystem-stats
# Conflicts: # README.md |
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82f5e66d8f |
Merge pull request #388 from wickedOne/analytics-1-route-coverage
[1/6] Name every mounted route in requestEcosystem |
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2124e8c8ca |
Merge pull request #383 from montehurd/batch-hit-updates
Batch cache hit writes |
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b40a50aad8 |
Add storage.cache_artifacts to serve artifacts without storing them (#387)
* Add storage.passthrough to serve artifacts without storing them With storage.passthrough enabled the proxy streams every artifact from upstream to the client and never writes it to storage or the cache database. Metadata filtering, cooldown and the denylist work as before, so the proxy can sit behind another cache (e.g. an Artifactory remote) purely as a policy layer without holding a second copy of every package. Artifacts whose digest is known up front (OCI, Swift, Helm) are verified while streaming. Their responses are sent chunked and the connection is aborted on a mismatch, so a client never receives a tampered artifact as a complete response. Passthrough is rejected together with scanning, direct_serve and mirror_api, and the mirror command refuses to run with it, since all of them depend on stored artifacts. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * Address review: abort truncated streams, guard every cache read - serveArtifact aborts the response on any body read error, and when fewer bytes than the declared size were written, not only on a digest mismatch. A failed or short upstream body in passthrough mode no longer reaches the client as a complete 200. - Streamed upstream read failures are logged and counted as stream_failed upstream errors before the response is aborted. - checkCache reports a miss when artifact caching is off, so every cache read path, including Swift archive HEAD requests, ignores entries stored before the mode was enabled. Denylisted versions are still rejected. - Rename storage.passthrough to storage.cache_artifacts (default true, PROXY_STORAGE_CACHE_ARTIFACTS), which names what actually changes. Tests cover an OCI blob shorter than its Content-Length and an npm tarball whose chunked response ends without the final chunk, both served through the HTTP handlers, plus a Swift HEAD request against a cached archive. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * Rename Proxy.Passthrough to StreamArtifacts Match the storage.cache_artifacts option: the field says what changes (artifacts are streamed instead of stored) and its zero value keeps the usual caching behaviour for every Proxy built without the server config, such as the mirror command and tests. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com> |
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3655000b16 |
Attribute requests to a caller and a client tool
- Track per-caller request and byte counts in a bounded table - Export proxy_client_requests_total and proxy_client_response_bytes_total over a closed label set; addresses are never labels - Gate the sources card behind ui_request_sources, off by default, since /ui carries no authentication of its own - Move access_log.trust_forwarded_for to a top-level key - Keep remote as the TCP peer and add remote_ip alongside it Part 6 of 6 splitting #381 up. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
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4b8c5a89fb |
Report the per-ecosystem breakdown from GET /stats
- Add downloaded_bytes, downloads and an ecosystems array, served from the snapshot the gauges and the page already share - Add stats_unavailable so a failed aggregation is distinguishable from an idle proxy - Regenerate the OpenAPI spec Part 4 of 6 splitting #381 up. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
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05015344cb |
Add the /ui/analytics page
- Ring of download size by ecosystem, cache figures, per-ecosystem table, vulnerability overview and a Runtime card - Add metrics.Gather so the page can render counters that were never in the database - Add proxy_response_bytes_total and response-writer byte counting - Serve a retained snapshot behind a staleness banner when the aggregation fails, rather than rendering old figures as current - Extract the security overview into a shared component Part 3 of 6 splitting #381 up. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
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4ebd805ffc |
Per-ecosystem cache and download statistics
- Add GetEcosystemStats, aggregating packages, versions, artifacts, cache size, downloads and downloaded bytes per ecosystem - Publish six proxy_ecosystem_* gauges from it on the existing one-minute cache-stats tick - Set and selectively delete rather than Reset, so no scrape lands on a half-populated vector - Report artifacts with no package row under "unattributed" rather than dropping them, so the figures still add up Part 2 of 6 splitting #381 up. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
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fb04bb8dcb |
Name every mounted route in requestEcosystem
- Map /apk to alpine, matching what the handler writes to the database - Report /helm, /homebrew, /generic and /swift under their own names - Test every one of the 23 mounts, so the next route added cannot quietly fall through to "other" Part 1 of 6 splitting #381 up. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
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4827cb9d76 |
Batch cache hit writes
Every cached download wrote its hit in its own UPDATE. SQLite runs on one connection, so each download was a write transaction the rest queued behind, holding a warm npm cache near 1,000 requests a second with the CPU two thirds idle. Hits are now counted in memory and written in one transaction every database.hit_flush_interval, "1s" by default, "0" for a write per hit. A failed write keeps the hits for the next flush, and Close writes what is pending. The same test then served about 2,200 requests a second. Closes #322. |
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c3540fbcdf |
Merge pull request #380 from abhinavgautam01/fix/response-relay-326
fix: centralize pass-through response relaying |
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eb4350568c |
Log and count requests aborted mid-relay
A truncated relay panics with http.ErrAbortHandler, which skipped the request log line, the request metrics and the access log entry. |
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436155e50c |
Clear before deleting on eviction, and requeue failed reclaims
Eviction deleted an object before checking its record still pointed at it. If a refetch had moved the record, that object was queued and a request that read the record earlier could still be opening it. Eviction now clears first, skips the delete if the record moved, and queues the object when the delete fails after a clear. Reclaim queues a failed delete again, which moves it behind the rest, so objects the backend keeps refusing cannot fill every batch. Also drop the clearArtifactCache passthrough and ClearCachedArtifact's unused context, note that only tests call ArtifactPath, and document that max_size does not count objects waiting to be reclaimed. |
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ac261cc34d |
fix: centralize pass-through response relaying | ||
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4ce6c37bd9 |
Give each fetch its own storage path
Every fetch of an artifact wrote one path, so fetches with different URLs
or digests, which do not share a coalescing key, could overwrite each
other's bytes, serve the wrong ones, or delete them on a digest mismatch
while the other was about to open them.
storeArtifact now writes {ecosystem}/{name}/{version}/{fetch id}/{filename},
with a random id per fetch. Most ecosystems learn the digest only after
the fetch, and storage has no rename, so the id is the one rule that fits
all of them. Existing records keep their paths and stay readable. On a
file:// bucket, Delete now removes an emptied fetch directory, which
fileblob leaves behind, and no other directory, since another fetch may
be creating its own inside it.
A path a record stops pointing at is queued in pending_deletes rather
than deleted, since a request that read the record may still open it. A
loop deletes queued paths after max(1h, direct_serve_ttl), whether or not
max_size is set. UpsertArtifact and clears apply only if the record still
holds the path the caller read, so racing commits each queue the path
they replaced and a clear never orphans a newer commit. Eviction still
deletes inline, and counts space as freed only when the record still
pointed at what it deleted.
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50e5cc334e |
Merge branch 'git-pkgs:main' into bound-eviction-pass | ||
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65f2bf52b1 |
Widen wall-clock bound in flaky probe timeout test
Loaded CI runners exceeded the 500ms bound; 5s still proves the probe timeout fired instead of blocking on Store. |
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1001cd772b |
End an eviction pass that cannot evict anything
A failed delete leaves the record eligible, so the same batch came back on the next iteration while the recorded size never dropped. Against a backend refusing deletes the pass retried forever, burning CPU and flooding the log. A canceled context made it faster: every delete fails at once, so the loop spun as quickly as the database could answer. The pass now ends when a batch clears no record, and returns as soon as the context is canceled. Progress counts records rather than bytes, because a cached record can have no size recorded. A pass can therefore end with the cache still above its limit, leaving the records that failed for the next pass to retry. |
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e28745742c |
Merge pull request #353 from andrewmrich/arich/debian-repositories
enable multiple debian repositories |
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1da2dc0bf9 |
Merge pull request #359 from abhinavgautam01/fix/helm-oci-index-320
fix(helm): support OCI references in HTTP repository indexes |
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548a50d56e |
feat: add exact-version package denylist | ||
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429e7458e4 |
fix(helm): support OCI references in HTTP repository indexes | ||
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8805cd9283 |
Merge branch 'git-pkgs:main' into arich/debian-repositories | ||
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0bab9bd0af |
Separate OCI request timeout from readiness probes in loopback test (#347)
The 250ms client is meant for the readiness poll, where a timeout is retried. Reusing it for the OCI manifest request makes the test flake under -race on Windows CI when fetch and cache I/O take longer, as seen on #328. The request checks upstream routing, not latency. |
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be2a1f05d2 |
fix(server): tune the shared upstream transport defaults (#351)
* fix(server): tune the shared upstream transport defaults server.serve builds the shared client with safehttp.New, which clones Go's default transport: MaxIdleConnsPerHost stays 0 (an effective limit of two idle connections per host) and ResponseHeaderTimeout stays 0. Handing that client to fetch.NewFetcher via fetch.WithHTTPClient replaces the fetcher's own defaults of 10 idle connections per host and a 60-second response-header timeout. Set both on the shared transport, matching the fetcher defaults: a second burst of concurrent cache misses to one registry now reuses its connections instead of re-dialling most of them, and an upstream that accepts a request but stalls before sending headers is cut off after 60 seconds rather than only by the client's overall timeout. Tests measure connection reuse across two concurrent bursts against a TLS upstream that counts accepted connections (Go default: at most two reused; tuned: all eight) and assert that a stall before headers fails with the response-header timeout. Fixes #327 * fix(server): reconcile http_timeout docs and tighten the transport tests The http_timeout documentation and the config comment said "0" disables the upstream timeout entirely. With a fixed 60-second ResponseHeaderTimeout on the shared transport that is no longer the whole story, so both now say that waiting for response headers stays bounded independently of the setting. Test cleanup from review: the 50ms settle between bursts was dead time (the transport returns a connection to the idle pool before the body's final Read returns, so burst returning already means the pool is settled); the maxNewInBurst sentinel became explicit min/max bounds per case; the stall test dropped the client.Timeout override and the elapsed-time assertion, which was redundant with the error-text check in any realistic run and whose failure message misattributed the cause, and its comment now says plainly that the field assertions pin production while the behavioural half runs at a lowered timeout. * test(server): hold each burst at the upstream instead of sleeping The reuse test kept a burst in flight with a 100ms handler sleep, so a process stall longer than that between spawning the goroutines and their dials let a request finish early and hand its connection to a sibling. Review reproduced this with forced stalls: the default-transport case then dialled 5 instead of 6 connections. The handler now answers only once burstSize requests are waiting at the same time. With HTTP/1.1 pinned that forces every burst onto burstSize distinct connections regardless of scheduling, and the measured counts stay exactly 6 new for Go's default and 0 for the tuned transport, also under the same forced stalls. |
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8a51d04011 |
feat(debian): serve additional APT archives at /debian/{name}/
A Debian release is served by more than one archive. Security updates live on
a different host than the main archive, so a single upstream.debian URL cannot
serve a complete suite set and -security suites are unreachable.
Add upstream.debian_repositories, a name-to-URL map served at /debian/{name}/,
modelled on upstream.apk. The field is additive: upstream.debian keeps serving
/debian/pool/... and /debian/dists/... with unchanged cache identities, so
existing deployments and their warm caches are unaffected, and the scalar
field and PROXY_UPSTREAM_DEBIAN are untouched.
Named repositories scope both caches by name, since the same filename can hold
different bytes in different archives. Metadata keys are hashed over name,
upstream URL, and path, as APKHandler does. Names are validated through
validateNamedUpstreams, and "pool" and "dists" are refused because they would
shadow the main archive's own paths.
An unconfigured first path segment stays a main-archive path rather than
returning 404 as the APK handler does: the main archive is unnamed and serves
paths of its own at the root.
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94c11b4b3b |
align data in the dashboard table more nicely (#318) | ||
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bb2205ad76 |
docker host is trimmed too much in the docs (#317) |