288 lines
14 KiB
Java
288 lines
14 KiB
Java
import java.io.*;
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import java.net.*;
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import java.net.http.*;
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import java.nio.file.*;
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import java.nio.file.attribute.*;
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import java.security.MessageDigest;
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import java.time.Duration;
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import java.util.*;
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class Setup {
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static Path home() {
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return Path.of(System.getProperty("user.home"));
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}
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static String required(Map<String, String> env, String key) {
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String value = env.get(key);
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if (value == null || value.isBlank()) throw new IllegalArgumentException("Missing " + key);
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return value;
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}
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static String secret(Map<String, String> env, String key) throws IOException {
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Path path = Path.of(required(env, key));
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Set<PosixFilePermission> permissions = Files.getPosixFilePermissions(path);
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if (permissions.stream()
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.anyMatch(p -> p.name().startsWith("GROUP_") || p.name().startsWith("OTHERS_")))
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throw new IllegalArgumentException(key + " must refer to an owner-only file (mode 600)");
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String token = Files.readString(path).strip();
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if (token.isEmpty()) throw new IllegalArgumentException(key + " is empty");
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return token;
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}
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static class ApiFailure extends IOException {
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final int status;
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ApiFailure(int status) {
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super("Gitea HTTP " + status);
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this.status = status;
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}
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}
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static Object api(String server, String token, String method, String path, Object body) throws Exception {
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Pipeline.check(token.matches("[a-zA-Z0-9_-]+"), "Invalid token format");
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HttpRequest request = HttpRequest.newBuilder(URI.create(server.replaceAll("/+$", "") + path))
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.timeout(Duration.ofSeconds(30))
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.header("Authorization", "token " + token)
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.header("Content-Type", "application/json")
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.method(
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method,
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body == null
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? HttpRequest.BodyPublishers.noBody()
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: HttpRequest.BodyPublishers.ofString(Json.write(body)))
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.build();
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try (HttpClient client =
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HttpClient.newBuilder().connectTimeout(Duration.ofSeconds(30)).build()) {
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var response = client.send(request, HttpResponse.BodyHandlers.ofString());
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if (response.statusCode() < 200 || response.statusCode() >= 300)
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throw new ApiFailure(response.statusCode());
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return response.body().isBlank() ? null : Json.parse(response.body());
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}
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}
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static void configureGitea(Map<String, String> env) throws Exception {
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String admin = secret(env, "GITEA_ADMIN_TOKEN_FILE"), registry = secret(env, "REGISTRY_TOKEN_FILE");
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String user = required(env, "REGISTRY_USER"), platform = required(env, "TARGET_PLATFORM");
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Pipeline.check(
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Set.of("linux/amd64", "linux/arm64").contains(platform),
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"Set TARGET_PLATFORM from the verified Synology architecture");
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String server = required(env, "GITEA_SERVER_URL"), base = "/api/v1/repos/" + required(env, "CI_REPOSITORY");
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api(server, admin, "PATCH", base, Map.of("has_actions", true));
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api(server, admin, "PUT", base + "/actions/secrets/REGISTRY_USER", Map.of("data", user));
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api(server, admin, "PUT", base + "/actions/secrets/REGISTRY_TOKEN", Map.of("data", registry));
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String variable = base + "/actions/variables/TARGET_PLATFORM";
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boolean exists;
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try {
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api(server, admin, "GET", variable, null);
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exists = true;
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} catch (ApiFailure e) {
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if (e.status != 404) throw e;
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exists = false;
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}
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api(server, admin, exists ? "PUT" : "POST", variable, Map.of("value", platform));
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Map<String, Object> response =
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Json.object(api(server, admin, "POST", base + "/actions/runners/registration-token", null));
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Path directory = home().resolve(".config/" + Recipe.project(env) + "-runner");
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privateDirectory(directory);
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privateWrite(directory.resolve("registration-token"), Objects.toString(response.get("token")));
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System.out.println("Actions, registry secrets and platform configured; runner token saved outside Git.");
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}
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static void configureDocker(Path file, String registry) throws IOException {
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Map<String, Object> data =
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Files.exists(file) ? Json.object(Json.parse(Files.readString(file))) : new LinkedHashMap<>();
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Object entry = data.getOrDefault("insecure-registries", new ArrayList<>());
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if (!(entry instanceof List<?>))
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throw new IllegalArgumentException("Existing insecure-registries must be an array; unchanged");
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List<Object> registries = new ArrayList<>((List<?>) entry);
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if (registries.contains(registry)) {
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System.out.println("Internal registry already configured; no change");
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return;
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}
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registries.add(registry);
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data.put("insecure-registries", registries);
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Path absolute = file.toAbsolutePath(), parent = absolute.getParent();
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Files.createDirectories(parent);
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if (Files.exists(file)) {
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Path backup = file.resolveSibling(file.getFileName() + ".before-engineering");
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if (!Files.exists(backup)) Files.copy(file, backup, StandardCopyOption.COPY_ATTRIBUTES);
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}
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Path temp = Files.createTempFile(parent, "daemon-", ".json");
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try {
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Files.writeString(temp, Json.write(data) + "\n");
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if (Files.exists(file)) Files.setPosixFilePermissions(temp, Files.getPosixFilePermissions(file));
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Files.move(temp, absolute, StandardCopyOption.ATOMIC_MOVE, StandardCopyOption.REPLACE_EXISTING);
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} finally {
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Files.deleteIfExists(temp);
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}
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System.out.println("Internal registry added; restart/apply Docker Engine configuration to activate");
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}
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static void installRunner(Path root, Map<String, String> env, Commands commands, boolean prepareOnly)
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throws Exception {
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Pipeline.check(
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System.getProperty("os.name").equals("Linux")
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&& Set.of("amd64", "x86_64").contains(System.getProperty("os.arch")),
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"Installer targets the existing Linux x86_64 mini-PC");
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Path runnerDir = home().resolve(".local/share/" + Recipe.project(env) + "-runner"),
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configDir = home().resolve(".config/" + Recipe.project(env) + "-runner");
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Path bin = home().resolve(".local/bin"), units = home().resolve(".config/systemd/user");
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for (Path path : List.of(runnerDir, configDir, bin, units)) privateDirectory(path);
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for (String tool : List.of("node", "java", "mvn", "docker", "git", "systemctl")) executable(env, tool);
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String javaHome = System.getProperty("java.home");
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String version = commands.execute(List.of("node", "--version"), root, env, null, false)
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.checked();
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String[] parts = version.replaceFirst("^v", "").split("\\.");
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int major = Integer.parseInt(parts[0]), minor = Integer.parseInt(parts[1]), patch = Integer.parseInt(parts[2]);
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Pipeline.check(
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(major == 22 && (minor > 22 || minor == 22 && patch >= 3))
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|| (major == 24 && minor >= 15)
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|| major >= 26,
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"Supported Node version required");
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Path runner = bin.resolve("act_runner");
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if (!Files.isExecutable(runner)) {
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URI uri = URI.create("https://dl.gitea.com/act_runner/0.2.13/act_runner-0.2.13-linux-amd64");
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byte[] bytes;
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try (HttpClient client = HttpClient.newBuilder()
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.followRedirects(HttpClient.Redirect.NORMAL)
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.build()) {
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var response = client.send(
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HttpRequest.newBuilder(uri)
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.timeout(Duration.ofMinutes(2))
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.build(),
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HttpResponse.BodyHandlers.ofByteArray());
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Pipeline.check(response.statusCode() == 200, "Runner download failed");
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bytes = response.body();
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}
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String hash = HexFormat.of()
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.formatHex(MessageDigest.getInstance("SHA-256").digest(bytes));
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Pipeline.check(
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hash.equals("3acac8b506ac8cadc88a55155b5d6378f0fab0b8f62d1e0c0450f4ccd69733e2"),
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"Runner checksum mismatch");
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Files.write(runner, bytes);
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Files.setPosixFilePermissions(runner, PosixFilePermissions.fromString("rwxr-xr-x"));
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}
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String actual = commands.execute(List.of(runner.toString(), "--version"), root, env, null, false)
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.checked();
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Pipeline.check(actual.contains("v0.2.13"), "Expected runner v0.2.13");
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privateWrite(runnerDir.resolve("config.yaml"), Files.readString(root.resolve("ci/runner/config.yaml")));
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Files.copy(
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root.resolve("ci/runner/runner.service"),
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units.resolve(Recipe.project(env) + "-runner.service"),
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StandardCopyOption.REPLACE_EXISTING);
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Files.copy(
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root.resolve("generated/ci/runner/WaitForDocker.java"),
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runnerDir.resolve("WaitForDocker.java"),
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StandardCopyOption.REPLACE_EXISTING);
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String dockerHost = env.get("DOCKER_HOST");
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if (dockerHost == null || dockerHost.isBlank())
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dockerHost = commands.execute(
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List.of("docker", "context", "inspect", "--format", "{{.Endpoints.docker.Host}}"),
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root,
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env,
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null,
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false)
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.checked();
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String path = javaHome + "/bin:" + executable(env, "node").getParent() + ":"
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+ executable(env, "mvn").getParent() + ":/usr/local/bin:/usr/bin:/bin";
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privateWrite(
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configDir.resolve("environment"),
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"JAVA_HOME=" + quoted(javaHome) + "\nPATH=" + quoted(path) + "\nDOCKER_HOST=" + quoted(dockerHost)
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+ "\n");
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boolean desktop = dockerHost.endsWith("/.docker/desktop/docker.sock");
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Path overrides = units.resolve(Recipe.project(env) + "-runner.service.d");
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Path desktopOverride = overrides.resolve("10-docker-desktop.conf");
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if (desktop) {
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Files.createDirectories(overrides);
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Files.copy(
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root.resolve("ci/runner/docker-desktop.conf"),
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desktopOverride,
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StandardCopyOption.REPLACE_EXISTING);
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} else {
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Files.deleteIfExists(desktopOverride);
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}
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commands.execute(List.of("systemctl", "--user", "daemon-reload"), root, env, null, true)
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.checked();
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if (prepareOnly) {
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System.out.println("Runner installed; registration and startup still required.");
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return;
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}
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commands.execute(List.of("docker", "info"), root, env, null, false).checked();
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if (!Files.exists(runnerDir.resolve(".runner"))) {
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Path tokenPath = Path.of(env.getOrDefault(
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"RUNNER_REGISTRATION_TOKEN_FILE",
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configDir.resolve("registration-token").toString()));
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Map<String, String> tokenEnv = Map.of("RUNNER_TOKEN_FILE", tokenPath.toString());
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String token = secret(tokenEnv, "RUNNER_TOKEN_FILE");
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commands.execute(
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List.of(
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runner.toString(),
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"register",
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"--no-interactive",
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"--instance",
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required(env, "GITEA_SERVER_URL"),
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"--name",
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required(env, "RUNNER_LABEL"),
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"--labels",
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required(env, "RUNNER_LABEL") + ":host",
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"--token",
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token),
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runnerDir,
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env,
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null,
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true)
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.checked();
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Files.setPosixFilePermissions(runnerDir.resolve(".runner"), PosixFilePermissions.fromString("rw-------"));
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}
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if (desktop) {
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commands.execute(
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List.of("systemctl", "--user", "enable", "--now", "docker-desktop.service"),
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root,
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env,
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null,
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true)
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.checked();
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// Replace any previous default.target link with the desktop-login target.
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commands.execute(
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List.of("systemctl", "--user", "disable", Recipe.project(env) + "-runner.service"),
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root,
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env,
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null,
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true)
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.checked();
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}
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commands.execute(
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List.of("systemctl", "--user", "enable", "--now", Recipe.project(env) + "-runner.service"),
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root,
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env,
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null,
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true)
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.checked();
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System.out.println("Runner registered and started; keep the mini-PC and Docker available.");
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}
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static Path executable(Map<String, String> env, String name) {
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for (String dir : env.getOrDefault("PATH", "").split(File.pathSeparator)) {
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Path path = Path.of(dir, name);
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if (Files.isRegularFile(path) && Files.isExecutable(path)) return path.toAbsolutePath();
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}
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throw new IllegalArgumentException("Missing executable: " + name);
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}
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static String quoted(String value) {
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Pipeline.check(!value.contains("\n") && !value.contains("\r"), "Invalid service environment value");
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return "\"" + value.replace("\\", "\\\\").replace("\"", "\\\"") + "\"";
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}
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static void privateDirectory(Path path) throws IOException {
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Files.createDirectories(path);
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Files.setPosixFilePermissions(path, PosixFilePermissions.fromString("rwx------"));
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}
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static void privateWrite(Path path, String text) throws IOException {
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if (!Files.exists(path))
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Files.createFile(path, PosixFilePermissions.asFileAttribute(PosixFilePermissions.fromString("rw-------")));
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Files.setPosixFilePermissions(path, PosixFilePermissions.fromString("rw-------"));
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Files.writeString(path, text);
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}
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}
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