Dynamically create image sprites for MapLibre rendering, given a
directory with images.
### TODO
* [x] Work with @flother to merge these PRs
* [x] https://github.com/flother/spreet/pull/59 (must have)
* [x] https://github.com/flother/spreet/pull/57
* [x] https://github.com/flother/spreet/pull/56
* [ ] https://github.com/flother/spreet/pull/62 (not required but nice
to have, can upgrade later without any code changes)
* [x] Add docs to the book
* [x] Add CLI param, e.g. `--sprite <dir_path>`
* [x] Don't output `.sprites` in auto-genned config when not in use
### API
Per [MapLibre sprites
API](https://maplibre.org/maplibre-style-spec/sprite/), we need to
support the following:
* `/sprite/<sprite_id>.json` metadata about the sprite file - all coming
from a single directory
* `/sprite/<sprite_id>.png` all images combined into a single PNG
* `/sprite/<sprite_id>@2x.json` same but for high DPI devices
* `/sprite/<sprite_id>@2x.png`
Multiple sprite_id values can be combined into one sprite with the same
pattern as for tile joining:
`/sprite/<sprite_id1>,<sprite_id2>,...,<sprite_idN>[.json|.png|@2x.json|@2x.png]`.
No ID renaming is done, so identical names will override one another.
### Configuration
[Config file](https://maplibre.org/martin/config-file.html) and possibly
CLI should have a simple option to serve sprites. The configuration may
look similar to how mbtiles and pmtiles are configured:
```yaml
# Publish sprite images
sprites:
paths:
# scan this whole dir, matching all image files, and publishing it as "my_images" sprite source
- /path/to/my_images
sources:
# named source matching source name to a directory
my_sprites: /path/to/some_dir
```
Implement #705
* [BREAKING] Use source ID (table name) as the default layer ID, instead
of `schema.table.column`
* Add support for the optional `layer_id` table config parameter
Fix#595
Compression middleware turned out to be hard to use for image cases - it
simply looks at the content-encoding, and if not set, tries to compress
if accepted by the client.
Instead, now individual routes are configured with either that
middleware, or for tiles, I decompress and optionally recompress if
applicable.
Now encoding is tracked separately from the tile content, making it
cleaner too. Plus lots of tests for mbtiles & pmtiles.
Fixes#577
Merge after #548
Adds a new [.pmtiles](https://protomaps.com/docs/pmtiles/) backend.
Supports all formats like png, vector, etc.
From CLI, can be as easy as adding a path to a directory that contains a
.pmtiles file:
```bash
# All *.pmtiles files in this dir will be published.
# The filename will be used as the source ID
martin ./tests/fixtures
```
From configuration file, the path can be specified in a number of ways:
```yaml
pmtiles:
paths:
# scan this whole dir, matching all *.pmtiles files
- /dir-path
# specific pmtiles file will be published as pmtiles2 source
- /path/to/pmtiles2.pmtiles
sources:
# named source matching source name to a single file
pm-src1: /tmp/pmtiles.pmtiles
# named source, where the filename is explicitly set. This way we will be able to add more options later
pm-src2:
path: /tmp/pmtiles.pmtiles
```
Fixes#508
* Support `postgres` config key to be either a list or an object
* Use `PathBuf` instead of `String` where dealing with files
* Merge `SrvConfigBuilder` into `SrvConfig`
* Parse keep_alive as u64
* More config tests
This extracts some of the code from #511 but without breaking changes
* Use `PathBuf` instead of `String` where dealing with files
* Parse keep_alive as u64
* More config tests to crash if martin output contains warnings or
errors
Can now handle several additional Postgres functions to get a tile, plus
tons of small fixes
### Multiple result variants
* `getmvt(z,x,y) -> [bytea,md5]` (single row with two columns)
* `getmvt(z,x,y) -> [bytea]` (single row with a single column)
* `getmvt(z,x,y) -> bytea` (value)
### Multiple input parameter variants
* `getmvt(z, x, y)` or `getmvt(zoom, x, y)` (all 3 vars must be
integers)
* `getmvt(z, x, y, url_query)`, where instead of `url_query` it could be
any other name, but must be of type JSON
### Breaking
* srid is now the same type as PG -- `i32`
* renamed config vals `table_sources` and `function_sources` into
`tables` and `functions`
### Features and fixes
* if postgis is v3.1+, uses margin parameter to extend the search box by
the size of the buffer. I think we should make 3.1 minimal required.
* fixes feature ID issue from #466
* fixes mixed case names for schemas, tables and columns, functions and
parameter names per #389
### Notes
* More dynamic SQL generation in code instead of using external SQL
files. Those should only be used when they are not parametrized.
* The new function/table discovery mechanism: query for all functions in
the database, and match up those functions with the ones configured (if
any), plus adds all the rest of the un-declared ones if discovery mode
is on.
* During table and function discovery, the code generates a map of
`(PgSqlInfo, FunctionInfo)` (or table) tupples containing SQL needed to
get the tile.
* Auto-discovery mode is currently hidden - the discovery is on only
when no tables or functions are configured. TBD - how to configure it in
the future
* The new system allows for an easy way to auto-discover for the
specific schemas only, solving #47
* predictable order of table/function instantiation
* bounding boxes computed in parallel for all tables (when not
configured)
* proper identifier escaping
* test cleanup
fixes#378fixes#466fixes#65fixes#389
* All tests and internal code now uses ST_TileEnvelope function
* Remove `tile_bbox`
* Rename test function sources for clarity - this will be needed in a
subsequent PR to add other function tests
Partial implementation of the #430
* New endpoint structure:
* `GET /` -- a placeholder for the future home page
* `GET /catalog` -- get a list of available sources, as a list of json
blobs.
* `[{id, name, description, attribution, vector_layer}, ...]` (some
fields might be missing)
* `GET /<id>` -- get tilejson for the given source, or a combination of
sources. No `.json` extension
* `GET /<id>/<z>/<x>/<y>` -- get a tile. No format extension.
* `GET /health` -- healthcheck
* Introduce a new tile format support crate (using code from the
maplibre/mbtileserve project)
* Removed the `/rpc/...` routes - all source IDs are accessed in the
same way
* Can print auto-generated configuration or save it to a file
* Refactored to support multiple sources from multiple backends, with a
proper naming conflict resolution
TODO:
* benchmarks need to be rewritten - they were relying on some internal
structures that are no longer there. This might be done as a separate PR
due to a very different internal architecture - might need to rethink
benchmarking approaches.
Rework CI to run tests locally using the VM-installed Postgres on all
target platforms.
### CI jobs
* Build release versions on Linux/Win/Mac and save build results as
output artifacts
* In a separate VMs (Linux/Win/Mac)
* use
[nyurik/action-setup-postgis](https://github.com/nyurik/action-setup-postgis)
to install postgis and run tests using the built artifacts
* run `cargo test` on Linux only
* copy built artifacts from the build step, and run tests using the
release martin binary
* package and publish if this is a release
### Other changes
* Port some minor changes from the rewrite to porting easier
* minor cleanups
* remove all "expected" data files - too unstable to be usable
* Use latest Clap-derive (currently v4rc, but should be public within a few days)
* reorganize configuration to streamline different config sources into one Config (using multiple ConfigBuilders)
