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2021-04-27 feat(storage): Add generic support for content-typesJerome Petazzoni1-0/+10
When serving a manifest, it is important to set the content-type correctly (otherwise pulling an image is likely to give a cryptic error message, "Error response from daemon: missing signature key"). This makes sure that we set the content-type properly for both manifests and layers.
2021-04-14 chore(nix): update channel URLJerome Petazzoni1-1/+1
It looks like NixPkgs channels have moved. Fixing this URL allows using nixos-20.09, for instance.
2020-12-05 docs: Update README with a link to the NixCon talkVincent Ambo1-4/+10
2020-12-04 docs(config): Fix comment typoDave Nicponski1-1/+1
2020-10-29 feat(storage): Add support for content-types (GCS only)Vincent Ambo7-13/+34
Extends storage.Persist to accept a Content-Type argument, which in the GCS backend is persisted with the object to ensure that the object is served back with this content-type. This is not yet implemented for the filesystem backend, where the parameter is simply ignored. This should help in the case of clients which expect the returned objects to have content-types set when, for example, fetching layers by digest.
2020-10-27 docs: Add a note about a Nix-native builder to the roadmapVincent Ambo1-0/+6
... if I don't mention this somewhere I'll probably never do it!
2020-10-27 feat(main): Implement caching of manifests in CASVincent Ambo1-0/+35
To ensure that registry clients which attempt to pull manifests by their content hash can interact with Nixery, this change implements persisting image manifests in the CAS in the same way as image layers. In combination with the previous refactorings this means that Nixery's serving flow is now compatible with containerd. I have verified this locally, but CI currently only runs against Docker and not containerd, which is something I plan to address in a subsequent PR. This fixes #102
2020-10-27 feat(main): Implement serving of manifests by digestVincent Ambo1-11/+12
Modifies the layer serving endpoint to be a generic blob-serving endpoint that can handle both manifest and layer object "types". Note that this commit does not yet populate the CAS with any manifests.
2020-10-27 refactor(storage): Rename ServeLayer -> ServeVincent Ambo4-12/+12
This is going to be used for general content-addressed objects, and is not layer specific anymore.
2020-10-27 refactor(main): Split HTTP handlers into separate functionsVincent Ambo2-57/+62
There is a new handler coming up to fix #102 and I want to avoid falling into the classic Go trap of creating thousand-line functions.
2020-10-27 fix(build): Work around arbitrary new maxLayers restrictionVincent Ambo1-1/+1
2020-10-27 fix(build): Completely remove Cachix from build setupVincent Ambo1-2/+2
Installing Cachix started failing on ARM64.
2020-07-25 fix(build): Don't use Cachix as the binary cache during buildsVincent Ambo1-1/+0
Permission changes in the Travis CI Nix builders have caused this to start failing, as the build user now has insufficient permissions to use caches. There may be a way to change the permissions instead, but in the meantime we will just cause things to rebuild.
2020-07-25 chore(build): Update pinned Go dependenciesVincent Ambo1-41/+50
2020-07-25 fix(popcount): Accommodate upstream changes on nixos.orgVincent Ambo1-2/+9
Channel serving has moved to a new subdomain, and the redirect semantics have changed. Instead of serving temporary redirects, permanent redirects are now issued. I've reported this upstream as a bug, but this workaround will fix it in the meantime.
2020-07-25 chore(build): Change pin for default nixpkgs used to build NixeryVincent Ambo3-2/+6
This moves the pin from just being in the Travis configuration to also being set in a nixpkgs-pin.nix file, which makes it trivial to build at the right commit when performing local builds.
2020-05-01 chore(nix): update channel 19.03 -> 20.03Raphael Borun Das Gupta4-5/+5
Use a NixOS / NixPkgs release that's actually being supported and regularly updated.
2020-02-26 fix(popcount): Fix nix-build -A nixery-popcountFlorian Klink1-8/+6
Previously, this was failing as follows: ``` these derivations will be built: /nix/store/7rbrf06phkiyz31dwpq88x920zjhnw0c-nixery-popcount.drv building '/nix/store/7rbrf06phkiyz31dwpq88x920zjhnw0c-nixery-popcount.drv'... building warning: GOPATH set to GOROOT (/nix/store/4859cp1v7zqcqh43jkqsayl4wrz3g6hp-go-1.13.4/share/go) has no effect failed to initialize build cache at /homeless-shelter/.cache/go-build: mkdir /homeless-shelter: permission denied builder for '/nix/store/7rbrf06phkiyz31dwpq88x920zjhnw0c-nixery-popcount.drv' failed with exit code 1 error: build of '/nix/store/7rbrf06phkiyz31dwpq88x920zjhnw0c-nixery-popcount.drv' failed ```
2020-01-19 fix(builder): Fix minor logging switcharooVincent Ambo1-1/+1
2019-11-27 refactor: Reshuffle file structure for better code layoutVincent Ambo21-114/+83
This gets rid of the package called "server" and instead moves everything into the project root, such that Go actually builds us a binary called `nixery`. This is the first step towards factoring out CLI-based functionality for Nixery.
2019-11-27 fix(builder): Ensure "solo-metapackages" do not break buildsVincent Ambo1-1/+7
The previous logic failed because single meta-packages such as "nixery.dev/shell" would not end up removing the meta-package itself from the list of packages passed to Nix, causing a build failure. This was a regression introduced in 827468a.
2019-11-27 test(builder): Add test coverage for name->image conversionVincent Ambo1-0/+123
Adds tests to cover that packages & metapackages are parsed into image names correctly.
2019-11-09 chore(build): Use significantly fewer layers for Nixery itselfVincent Ambo2-3/+5
Nixery itself is built with the buildLayeredImage system, which takes some time to create large numbers of layers. This adjusts the default number of image layers from 96 to 20. Additionally Nixery's image is often loaded with `docker load -i`, which ignores layer cache hits anyways. Additionaly the CI build is configured to use only 1, which speeds up CI runs.
2019-11-09 feat(build): Integration test on both CPU architecturesVincent Ambo1-1/+22
2019-11-09 feat(build): Include arm64 in build matrixVincent Ambo1-0/+4
2019-11-09 fix(build-image): Allow "cross-builds" of images for different archVincent Ambo1-4/+9
Imports the package set twice in the builder expression: Once configured for the target system, once configured for the native system. This makes it possible to fetch the actual image contents for the required architecture, but use local tools to assemble the symlink layer and metadata.
2019-11-09 feat(builder): Support 'arm64' meta-packageVincent Ambo1-12/+29
Specifying this meta-package toggles support for ARM64 images, for example: # Pull a default x86_64 image docker pull nixery.dev/hello # Pull an ARM64 image docker pull nixery.dev/arm64/hello
2019-11-09 refactor(builder): Parameterise CPU architecture to use for imagesVincent Ambo3-6/+33
Adds the CPU architecture to the image configuration. This will make it possible to let users toggle architecture via meta-packages. Relates to #13
2019-11-03 chore(build): Add nixery-popcount to top-level package setVincent Ambo2-0/+28
2019-11-03 feat(popcount): Cache seen narinfos on diskVincent Ambo1-0/+14
2019-11-03 chore: Add missing copyright headers to source filesVincent Ambo8-0/+110
2019-11-03 feat(popcount): Add new narinfo-based popcount implementationVincent Ambo4-67/+256
Adds an implementation of popcount that, instead of realising derivations locally, just queries the cache's narinfo files. The downside of this is that calculating popularity for arbitrary Nix package sets is not possible with this implementation. The upside is that calculating the popularity for an entire Nix channel can now be done in ~10 seconds[0]. This fixes #65. [0]: Assuming a /fast/ internet connection.
2019-10-29 chore(server): Remove outdated TODOVincent Ambo1-5/+1
Real-life experience has shown that the weighting of the metric produced here is appropriate.
2019-10-29 refactor(server): Handle non-error errors safelyVincent Ambo1-5/+6
This case should not be possible unless something manually constructs a logrus entry with a non-error value in the log.ErrorKey field, but it's better to be safe than sorry.
2019-10-28 chore(build): Configure build to use new GCS configuration optionsVincent Ambo1-3/+2
2019-10-28 fix(server): Use correct scope for GCS tokensVincent Ambo1-1/+1
2019-10-28 docs(under-the-hood): Update builder & storage backend informationVincent Ambo1-28/+51
Both of these no longer matched the reality of what was actually going on in Nixery.
2019-10-28 docs: Add storage configuration options to READMEVincent Ambo1-1/+25
2019-10-28 fix(server): Thread request context to all relevant placesVincent Ambo6-23/+20
Previously background contexts where created where necessary (e.g. in GCS interactions). Should I begin to use request timeouts or other context-dependent things in the future, it's useful to have the actual HTTP request context around. This threads the request context through the application to all places that need it.
2019-10-28 chore(server): Move cache miss log statement to debug levelVincent Ambo2-2/+2
This is very annoying otherwise.
2019-10-28 fix(server): Correctly construct filesystem paths for layer servingVincent Ambo1-6/+8
2019-10-28 fix(server): Ensure paths exist when renaming in filesystem storageVincent Ambo1-1/+7
The point at which files are moved happens to also (initially) be the point where the `layers` directory is created. For this reason renaming must ensure that all path components exist, which this commit takes care of.
2019-10-28 fix(server): Ensure error messages are correctly printed in logsVincent Ambo1-0/+7
I assumed (incorrectly) that logrus would already take care of surfacing error messages in human-readable form.
2019-10-28 feat(server): Add filesystem storage backend config optionsVincent Ambo3-1/+11
The filesystem storage backend can be enabled by setting `NIXERY_STORAGE_BACKEND` to `filesystem` and `STORAGE_PATH` to a disk location from which Nixery can serve files.
2019-10-28 refactor(server): Pass HTTP request to storage.ServeLayerVincent Ambo4-4/+6
The request object is required for some serving methods (e.g. the filesystem one).
2019-10-28 feat(server): Implement initial filesystem storage backendVincent Ambo1-0/+68
This allows users to store and serve layers from a local filesystem path.
2019-10-28 refactor(server): Change setup to create new storage backendsVincent Ambo5-15/+44
2019-10-28 feat(server): Implement GCS storage backend with new interfaceVincent Ambo1-0/+206
Logical implementation is mostly identical to the previous one, but adhering to the new storage.Backend interface.
2019-10-28 refactor(server): Introduce pluggable interface for storage backendsVincent Ambo5-229/+111
This abstracts over the functionality of Google Cloud Storage and other potential underlying storage backends to make it possible to replace these in Nixery. The GCS backend is not yet reimplemented.
2019-10-28 refactor(build): Do not expose nixery-server attributeVincent Ambo1-5/+3
In most cases this is not useful for users without the wrapper script, so users should always build nixery-bin anyways.