Acquire-By-Hash entries are written for MD5Sum, SHA1, SHA256 and SHA512,
hardcoded in two places in deb/index_files.go. Every algorithm is a full
set of index copies on each publish, and on S3-like storage each of those
is a network round trip rather than a link.
Measured on an R2-backed archive of 25 packages across three suites, one
`aptly publish update` per suite:
Acquire-By-Hash off 38 S3 requests
Acquire-By-Hash on 222 S3 requests (88 HeadObject, 83 CopyObject,
35 DeleteObject, 13 PutObject)
Modern apt verifies with SHA256; MD5Sum and SHA1 are deprecated and
Debian has been phasing them out of Release files for years. Publishers
who do not need them are paying three quarters of that for nothing, with
no way to say so.
acquireByHashAlgorithms in aptly.conf now selects the set. An empty or
absent value keeps all four, so existing configurations are unaffected.
The order entries are written in comes from the code rather than the
config, so the directories created in one loop and the entries written in
another cannot disagree. An unrecognised name is an error rather than
something to skip: skipping a typo would produce "no by-hash entries for
that algorithm", which looks exactly like having configured it away.
Set per publish invocation from the config, the way SkipBz2 already is,
rather than persisted on the publish point.
Pre-existing test failures on this tree are unchanged by this commit:
deb goes 173->177 passed with the same 11 failures, utils keeps its one
(TestCompress), s3 stays green.
* remove useless resource lock
Resource locks need to be before the background task. creating same publish endpoint at the same time is unlikely...
* load data inside background tasks
This fixes a flaw in async apis, which loaded the published repo from the DB and mutated it outside the task closure, before the task lock was acquired.
Perform collection.LoadComplete inside maybeRunTaskInBackground and have tasks use a fresh copy of taskCollectionFactory, taskCollection
* lock source repos/snapshots for publish operations
Concurrent tasks were not properly locking their resources, leading to inconsistent published indexes:
SourceLocalRepo: iterate published.Sources (component -> source UUID), look up each local repo via localRepoCollection.ByUUID and append string(repo.Key()) to resources
SourceSnapshot: iterate b.Snapshots,look up each snapshot via snapshotCollection.ByName and append string(snapshot.ResourceKey()) to resources.
* lock pool on non MultiDist publish
* revert mutex on LinkFromPool
* use uuids, since names can be renamed
* add test for MultiDist change
https://wiki.debian.org/DebianRepository/Format#Signed-By says:
> **Signed-By**
> An optional field containing a comma separated list of
> OpenPGP key fingerprints to be used for validating
> the next Release file. The fingerprints must consist
> only of hex digits and may not contain spaces.
> The fingerprint specifies either the key the Release file
> must be signed with or the key the signature key must be
> a subkey of. The later match can be disabled by appending
> an exclamation mark to the fingerprint.
>
> If the field is present, a client should only accept future updates
> to the repository that are signed with keys listed in the field.
> The field should be ignored if the Valid-Until field is not present
> or if it is expired.
For both the CLI tools and JSON, the field is taken as a string verbatim.
When specified, we must also provide `Valid-Until` field,
and i'm not sure there is an 'infinity' value for it,
so 100 years will have to do?
Fixes https://github.com/aptly-dev/aptly/issues/1497
This commit allows to add, remove and update components of published repositories without the need to recreate them.
Signed-off-by: Christoph Fiehe <c.fiehe@eurodata.de>
Do all relevant database reading/modifying inside `maybeRunTaskInBackground`.
Notably, `LoadComplete` will load the reflist of a repo. if this is done outside of a background operation,
the data might be outdated when the background tasks runs.
This commit modifies the behavior of the publish switch method in the way, that also new components can be added to an already published repository. It is no longer necessary to drop and recreate the whole publish.
Signed-off-by: Christoph Fiehe <c.fiehe@eurodata.de>
This change makes it possible to publish multiple distributions
with packages named the same but with different content by changing
structure of the generated pool hierarchy. The option not enabled
by default as this changes the structure of the output which could
break the expectations of other tools.
The output doesn't actually depend on the reflists, and loading them for
every published repo starts to take substantial time and memory.
Signed-off-by: Ryan Gonzalez <ryan.gonzalez@collabora.com>