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krzema12krzema12
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feat(server): serve maven-metadata.xml (#1360)
Part of #1318.
1 parent f129cd7 commit 4b64ecd

4 files changed

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‎jit-binding-server/src/main/kotlin/io/github/typesafegithub/workflows/jitbindingserver/Main.kt‎

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@@ -5,6 +5,7 @@ import io.github.typesafegithub.workflows.actionbindinggenerator.domain.ActionCo
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import io.github.typesafegithub.workflows.mavenbinding.Artifact
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import io.github.typesafegithub.workflows.mavenbinding.JarArtifact
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import io.github.typesafegithub.workflows.mavenbinding.TextArtifact
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import io.github.typesafegithub.workflows.mavenbinding.buildPackageArtifacts
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import io.github.typesafegithub.workflows.mavenbinding.buildVersionArtifacts
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import io.ktor.http.ContentType
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import io.ktor.http.HttpStatusCode
@@ -81,6 +82,29 @@ fun main() {
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}
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}
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route("/binding/{owner}/{name}/{file}") {
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get {
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val owner = call.parameters["owner"]!!
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val name = call.parameters["name"]!!
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val file = call.parameters["file"]!!
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val actionCoords =
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ActionCoords(
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owner = owner,
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name = name,
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version = "irrelevant",
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)
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val bindingArtifacts = actionCoords.buildPackageArtifacts(githubToken = System.getenv("GITHUB_TOKEN"))
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if (file in bindingArtifacts) {
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when (val artifact = bindingArtifacts[file]) {
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is String -> call.respondText(artifact)
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else -> call.respondText(text = "Not found", status = HttpStatusCode.NotFound)
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}
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} else {
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call.respondText(text = "Not found", status = HttpStatusCode.NotFound)
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}
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}
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}
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get("/status") {
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call.respondText("OK")
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}

‎maven-binding-builder/build.gradle.kts‎

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@@ -1,9 +1,16 @@
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plugins {
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buildsrc.convention.`kotlin-jvm`
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kotlin("plugin.serialization")
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}
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dependencies {
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implementation("org.jetbrains.kotlin:kotlin-compiler")
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api(projects.actionBindingGenerator)
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implementation(platform("io.ktor:ktor-bom:2.3.10"))
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implementation("io.ktor:ktor-client-core")
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implementation("io.ktor:ktor-client-cio")
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implementation("io.ktor:ktor-client-content-negotiation")
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implementation("io.ktor:ktor-serialization-kotlinx-json")
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runtimeOnly(projects.githubWorkflowsKt)
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}

‎maven-binding-builder/src/main/kotlin/io/github/typesafegithub/workflows/mavenbinding/MavenMetadataBuilding.kt‎

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@@ -0,0 +1,91 @@
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package io.github.typesafegithub.workflows.mavenbinding
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import io.ktor.client.HttpClient
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import io.ktor.client.call.body
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import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
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import io.ktor.client.request.bearerAuth
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import io.ktor.client.request.get
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import io.ktor.serialization.kotlinx.json.json
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import kotlinx.serialization.Serializable
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import kotlinx.serialization.json.Json
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import java.time.Instant
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import java.time.ZoneId
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import java.time.format.DateTimeFormatter
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internal suspend fun buildMavenMetadataFile(
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owner: String,
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name: String,
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githubToken: String,
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): String {
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val lastUpdated =
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DateTimeFormatter.ofPattern("yyyyMMddHHmmss")
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.withZone(ZoneId.systemDefault())
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.format(Instant.now())
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val availableMajorVersions =
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fetchAvailableVersions(owner = owner, name = name, githubToken = githubToken)
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.filter { !it.contains(".") }
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val newest = availableMajorVersions.maxBy { it.removePrefix("v") }
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return """
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<?xml version="1.0" encoding="UTF-8"?>
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<metadata>
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<groupId>$owner</groupId>
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<artifactId>$name</artifactId>
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<versioning>
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<latest>$newest</latest>
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<release>$newest</release>
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<versions>
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${availableMajorVersions.joinToString(separator = "\n") {
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" <version>$it</version>"
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}}
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</versions>
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<lastUpdated>$lastUpdated</lastUpdated>
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</versioning>
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</metadata>
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""".trimIndent()
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}
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private suspend fun fetchAvailableVersions(
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owner: String,
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name: String,
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githubToken: String,
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): List<String> =
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listOf(
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apiTagsUrl(owner = owner, name = name),
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apiBranchesUrl(owner = owner, name = name),
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).flatMap { url -> fetchGithubRefs(url, githubToken) }
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.map { it.ref.substringAfterLast("/") }
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private suspend fun fetchGithubRefs(
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url: String,
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githubToken: String,
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): List<GithubRef> =
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httpClient.get(urlString = url) {
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bearerAuth(githubToken)
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}.body()
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private val httpClient by lazy {
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HttpClient {
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install(ContentNegotiation) {
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json(
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Json {
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ignoreUnknownKeys = true
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},
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)
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}
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}
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}
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private fun apiTagsUrl(
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owner: String,
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name: String,
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): String = "https://api.github.com/repos/$owner/$name/git/matching-refs/tags/v"
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private fun apiBranchesUrl(
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owner: String,
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name: String,
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): String = "https://api.github.com/repos/$owner/$name/git/matching-refs/heads/v"
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@Serializable
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data class GithubRef(
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val ref: String,
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)

‎maven-binding-builder/src/main/kotlin/io/github/typesafegithub/workflows/mavenbinding/PackageArtifactsBuilding.kt‎

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package io.github.typesafegithub.workflows.mavenbinding
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import io.github.typesafegithub.workflows.actionbindinggenerator.domain.ActionCoords
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suspend fun ActionCoords.buildPackageArtifacts(githubToken: String): Map<String, String> {
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val mavenMetadata = buildMavenMetadataFile(owner = owner, name = name, githubToken = githubToken)
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return mapOf(
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"maven-metadata.xml" to mavenMetadata,
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)
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}

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