Spin - v2.2.0

Spin v2.2.0

This release of Spin brings a number of features, improvements and bug fixes.

Some highlights in v2.2.0 at a glance:

Initial multi-trigger support has been added to Spin, thanks to new contributor @carlokok!
We'll still be working on this feature post-2.2.0 and will add docs/examples to the Developer site once stabilized.
Spin has been updated to use Wasmtime 17 and WASI 0.2.0
The Websockets SIP has been merged
Massive testing improvements from @rylev, including restructuring for gains in efficiency, devex and de-duplication
See the main tracking issue for overarching goals
PRs to note:
- https://github.com/fermyon/spin/pull/2217
- https://github.com/fermyon/spin/pull/2223
- https://github.com/fermyon/spin/pull/2228
- https://github.com/fermyon/spin/pull/2180
If curious, start familiarizing yourself with the new framework(s) here

Additional features worth mentioning:

A new set_header method on the http Request object: https://github.com/fermyon/spin/pull/2187
The active channel is now printed for Redis trigger apps: https://github.com/fermyon/spin/pull/2232
Addition of a Spin app example using Hashicorp Vault for variables: https://github.com/fermyon/spin/pull/2241
Some helpful logging when wasm components are slow to load: https://github.com/fermyon/spin/pull/2226 by new contributor @Archisman-Mridha!

As always, thanks to contributors old and new for helping improve Spin on a daily basis! 🎉

Verifying the Release Signature

After downloading the v2.2.0 release of Spin, either via the artifact attached to this release corresponding to your OS/architecture combination or via the installation method of your choice, you are ready to verify the release signature.

First, install cosign. This is the tool we'll use to perform signature verification. Then run the following command:

cosign verify-blob \
    --signature spin.sig --certificate crt.pem \
    --certificate-identity https://github.com/fermyon/spin/.github/workflows/release.yml@refs/tags/v2.2.0 \
    --certificate-oidc-issuer https://token.actions.githubusercontent.com \
    --certificate-github-workflow-sha eebfae1d6de6a166da16ec8858332f4cc3b6c557 \
    --certificate-github-workflow-repository fermyon/spin \
    spin

If the verification passed, you should see:

Verified OK

What's Changed

Remove redundant variables test by @rylev in https://github.com/fermyon/spin/pull/2172
allowed_outbound_host CIDR and IPv6 support by @rylev in https://github.com/fermyon/spin/pull/2174
bump version to 2.2.0-pre0 by @dicej in https://github.com/fermyon/spin/pull/2177
docs(release-process): small amendment by @vdice in https://github.com/fermyon/spin/pull/2183
Port sqlite-libsql to new libsql client by @itowlson in https://github.com/fermyon/spin/pull/2148
Mutable access to request headers by @itowlson in https://github.com/fermyon/spin/pull/2187
print error msg when plugin binary is missing by @rajatjindal in https://github.com/fermyon/spin/pull/2189
fix statically linked build issue for aarch by @rajatjindal in https://github.com/fermyon/spin/pull/2179
remove workspace/all-targets from cross build cmd by @rajatjindal in https://github.com/fermyon/spin/pull/2192
Runtime tests services by @rylev in https://github.com/fermyon/spin/pull/2180
Update readme to latest template syntax by @tpmccallum in https://github.com/fermyon/spin/pull/2178
Stop testing kv and sqlite twice by @rylev in https://github.com/fermyon/spin/pull/2195
Rename 'Test Spin SDK - Rust' to 'Test Spin' by @rylev in https://github.com/fermyon/spin/pull/2197
remove Send and Sync bounds from Rust SDK router by @dicej in https://github.com/fermyon/spin/pull/2198
Add macro for generating runtime tests automatically by @rylev in https://github.com/fermyon/spin/pull/2196
Patched build.rs to run on systems without rustup. Added flake for ni… by @benwis in https://github.com/fermyon/spin/pull/2199
Remove unused files by @rylev in https://github.com/fermyon/spin/pull/2194
Docker Service for runtime tests by @rylev in https://github.com/fermyon/spin/pull/2193
Wasi HTTP runtime test by @rylev in https://github.com/fermyon/spin/pull/2201
chore(flake): Fix Darwin dependency on Accelerate by @endocrimes in https://github.com/fermyon/spin/pull/2204
Test that variables and components can be added in the same template by @itowlson in https://github.com/fermyon/spin/pull/2207
ignore asset globs from being watched when using direct-mounts by @karthik2804 in https://github.com/fermyon/spin/pull/2203
update configure aws creds action to v4 by @rajatjindal in https://github.com/fermyon/spin/pull/2191
Add random port support to Python services by @rylev in https://github.com/fermyon/spin/pull/2206
Remove redundant headers-env-routes-test by @rylev in https://github.com/fermyon/spin/pull/2208
feat(cli.rs): allow setting app log dir via SPIN_LOG_DIR env var by @vdice in https://github.com/fermyon/spin/pull/2209
ci(release): consolidate GH release logic by @vdice in https://github.com/fermyon/spin/pull/2185
Abstract the runtime used in runtime tests so that it's not hardcoded as Spin by @rylev in https://github.com/fermyon/spin/pull/2211
Don't pass services when constructing Spin instance in runtime test by @rylev in https://github.com/fermyon/spin/pull/2214
Update libsql to a crates.io reference by @itowlson in https://github.com/fermyon/spin/pull/2215
Generalize runtime testing framework to be a general testing Spin framework by @rylev in https://github.com/fermyon/spin/pull/2217
Update test to new Cloud plugin help text by @itowlson in https://github.com/fermyon/spin/pull/2219
ci(templates): update rust templates automation to use the crates.io versions by @vdice in https://github.com/fermyon/spin/pull/2221
update to Wasmtime 17 and WASI 0.2.0-rc-2023-12-05 by @dicej in https://github.com/fermyon/spin/pull/2222
E2E testing using testing framework by @rylev in https://github.com/fermyon/spin/pull/2223
Move rest of e2e tests over to new testing framework by @rylev in https://github.com/fermyon/spin/pull/2224
Provide feedback if it takes a while to download a remote component on spin up by @Archisman-Mridha in https://github.com/fermyon/spin/pull/2226
Warn instead of trace when errors happen in the spin_redis_engine by @karthik2804 in https://github.com/fermyon/spin/pull/2231
Move more integration tests to use the testing framework by @rylev in https://github.com/fermyon/spin/pull/2228
print active channels on redis trigger by @karthik2804 in https://github.com/fermyon/spin/pull/2232
SIP 016 - Inbound WebSocket Support by @dicej in https://github.com/fermyon/spin/pull/2212
bump PoolingAllocationConfig::max_core_instances_per_component to 200 by @dicej in https://github.com/fermyon/spin/pull/2234
Bump h2 from 0.3.22 to 0.3.24 by @dependabot in https://github.com/fermyon/spin/pull/2233
Bump shlex from 1.2.0 to 1.3.0 by @dependabot in https://github.com/fermyon/spin/pull/2239
Bump zerocopy from 0.7.29 to 0.7.32 by @dependabot in https://github.com/fermyon/spin/pull/2210
feat(up): Spawn multiple trigger commands by @carlokok in https://github.com/fermyon/spin/pull/2213
temporarily switch to Wasmtime commit 0b632023 by @dicej in https://github.com/fermyon/spin/pull/2243
cargo cfg: fix build on aarch64-linux by @endocrimes in https://github.com/fermyon/spin/pull/2240
logging: Emit wasmtime-wasi-http WARN logs by default by @lann in https://github.com/fermyon/spin/pull/2244
Add vault variable example by @tpmccallum in https://github.com/fermyon/spin/pull/2241
trigger-http: Log TLS startup errors instead of propagating by @lann in https://github.com/fermyon/spin/pull/2230
update to Wasmtime 17 and WASI 0.2.0 by @dicej in https://github.com/fermyon/spin/pull/2250
Include trigger type in trigger options help header by @itowlson in https://github.com/fermyon/spin/pull/2256
Cancel external triggers if one of multiple fails on start by @itowlson in https://github.com/fermyon/spin/pull/2248
Fix regrettable trigger help heading when no app by @itowlson in https://github.com/fermyon/spin/pull/2258
Allow only common trigger options in multi-trigger apps by @itowlson in https://github.com/fermyon/spin/pull/2257
chore(release): Spin v2.2 version bumps by @vdice in https://github.com/fermyon/spin/pull/2260

New Contributors

@benwis made their first contribution in https://github.com/fermyon/spin/pull/2199
@Archisman-Mridha made their first contribution in https://github.com/fermyon/spin/pull/2226
@carlokok made their first contribution in https://github.com/fermyon/spin/pull/2213