mirror of
https://github.com/DeterminateSystems/nix-installer-action.git
synced 2024-12-23 13:32:06 +01:00
767 lines
32 KiB
JavaScript
Generated
767 lines
32 KiB
JavaScript
Generated
import * as actionsCore from "@actions/core";
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import * as github from "@actions/github";
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import * as actionsExec from "@actions/exec";
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import { access, writeFile, readFile } from "node:fs/promises";
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import { join } from "node:path";
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import fs from "node:fs";
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import { userInfo } from "node:os";
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import stringArgv from "string-argv";
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import * as path from "path";
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import { IdsToolbox, inputs, platform } from "detsys-ts";
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import { randomUUID } from "node:crypto";
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// Nix installation events
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const EVENT_INSTALL_NIX_FAILURE = "install_nix_failure";
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const EVENT_INSTALL_NIX_START = "install_nix_start";
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const EVENT_INSTALL_NIX_SUCCESS = "install_nix_start";
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const EVENT_SETUP_KVM = "setup_kvm";
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const EVENT_UNINSTALL_NIX = "uninstall";
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// Docker events
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const EVENT_CLEAN_UP_DOCKER_SHIM = "clean_up_docker_shim";
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const EVENT_START_DOCKER_SHIM = "start_docker_shim";
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// FlakeHub events
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const EVENT_LOGIN_TO_FLAKEHUB = "login_to_flakehub";
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// Other events
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const EVENT_CONCLUDE_WORKFLOW = "conclude_workflow";
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// Facts
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const FACT_HAS_DOCKER = "has_docker";
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const FACT_HAS_SYSTEMD = "has_systemd";
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const FACT_IN_GITHUB_ACTIONS = "in_act";
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const FACT_IN_NAMESPACE_SO = "in_namespace_so";
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const FACT_NIX_INSTALLER_PLANNER = "nix_installer_planner";
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class NixInstallerAction {
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constructor() {
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this.idslib = new IdsToolbox({
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name: "nix-installer",
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fetchStyle: "nix-style",
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legacySourcePrefix: "nix-installer",
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requireNix: "ignore",
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});
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this.platform = platform.getNixPlatform(platform.getArchOs());
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this.nixPackageUrl = inputs.getStringOrNull("nix-package-url");
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this.backtrace = inputs.getStringOrNull("backtrace");
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this.extraArgs = inputs.getStringOrNull("extra-args");
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this.extraConf = inputs.getMultilineStringOrNull("extra-conf");
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this.flakehub = inputs.getBool("flakehub");
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this.kvm = inputs.getBool("kvm");
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this.forceDockerShim = inputs.getBool("force-docker-shim");
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this.githubToken = inputs.getStringOrNull("github-token");
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this.githubServerUrl = inputs.getStringOrNull("github-server-url");
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this.init = inputs.getStringOrNull("init");
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this.localRoot = inputs.getStringOrNull("local-root");
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this.logDirectives = inputs.getStringOrNull("log-directives");
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this.logger = inputs.getStringOrNull("logger");
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this.sslCertFile = inputs.getStringOrNull("ssl-cert-file");
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this.proxy = inputs.getStringOrNull("proxy");
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this.macCaseSensitive = inputs.getStringOrNull("mac-case-sensitive");
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this.macEncrypt = inputs.getStringOrNull("mac-encrypt");
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this.macRootDisk = inputs.getStringOrNull("mac-root-disk");
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this.macVolumeLabel = inputs.getStringOrNull("mac-volume-label");
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this.modifyProfile = inputs.getBool("modify-profile");
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this.nixBuildGroupId = inputs.getNumberOrNull("nix-build-group-id");
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this.nixBuildGroupName = inputs.getStringOrNull("nix-build-group-name");
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this.nixBuildUserBase = inputs.getNumberOrNull("nix-build-user-base");
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this.nixBuildUserCount = inputs.getNumberOrNull("nix-build-user-count");
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this.nixBuildUserPrefix = inputs.getStringOrNull("nix-build-user-prefix");
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this.planner = inputs.getStringOrNull("planner");
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this.reinstall = inputs.getBool("reinstall");
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this.startDaemon = inputs.getBool("start-daemon");
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this.trustRunnerUser = inputs.getBool("trust-runner-user");
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}
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async detectAndForceDockerShim() {
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const runnerOs = process.env["RUNNER_OS"];
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// Detect if we're in a GHA runner which is Linux, doesn't have Systemd, and does have Docker.
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// This is a common case in self-hosted runners, providers like [Namespace](https://namespace.so/),
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// and especially GitHub Enterprise Server.
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if (runnerOs !== "Linux") {
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if (this.forceDockerShim) {
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actionsCore.warning("Ignoring force-docker-shim which is set to true, as it is only supported on Linux.");
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this.forceDockerShim = false;
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}
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return;
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}
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const systemdCheck = fs.statSync("/run/systemd/system", {
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throwIfNoEntry: false,
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});
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if (systemdCheck?.isDirectory()) {
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if (this.forceDockerShim) {
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actionsCore.warning("Systemd is detected, but ignoring it since force-docker-shim is enabled.");
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}
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else {
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this.idslib.addFact(FACT_HAS_SYSTEMD, true);
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return;
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}
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}
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this.idslib.addFact(FACT_HAS_SYSTEMD, false);
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actionsCore.debug("Linux detected without systemd, testing for Docker with `docker info` as an alternative daemon supervisor.");
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this.idslib.addFact(FACT_HAS_DOCKER, false); // Set to false here, and only in the success case do we set it to true
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let exitCode;
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try {
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exitCode = await actionsExec.exec("docker", ["info"], {
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silent: true,
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listeners: {
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stdout: (data) => {
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const trimmed = data.toString("utf-8").trimEnd();
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if (trimmed.length >= 0) {
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actionsCore.debug(trimmed);
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}
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},
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stderr: (data) => {
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const trimmed = data.toString("utf-8").trimEnd();
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if (trimmed.length >= 0) {
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actionsCore.debug(trimmed);
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}
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},
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},
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});
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}
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catch (e) {
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actionsCore.debug("Docker not detected, not enabling docker shim.");
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return;
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}
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if (exitCode !== 0) {
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if (this.forceDockerShim) {
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actionsCore.warning("docker info check failed, but trying anyway since force-docker-shim is enabled.");
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}
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else {
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return;
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}
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}
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this.idslib.addFact(FACT_HAS_DOCKER, true);
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if (!this.forceDockerShim &&
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(await this.detectDockerWithMountedDockerSocket())) {
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actionsCore.debug("Detected a Docker container with a Docker socket mounted, not enabling docker shim.");
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return;
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}
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actionsCore.startGroup("Enabling the Docker shim for running Nix on Linux in CI without Systemd.");
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if (this.init !== "none") {
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actionsCore.info(`Changing init from '${this.init}' to 'none'`);
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this.init = "none";
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}
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if (this.planner !== "linux") {
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actionsCore.info(`Changing planner from '${this.planner}' to 'linux'`);
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this.planner = "linux";
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}
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this.forceDockerShim = true;
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actionsCore.endGroup();
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}
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// Detect if we are running under `act` or some other system which is not using docker-in-docker,
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// and instead using a mounted docker socket.
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// In the case of the socket mount solution, the shim will cause issues since the given mount paths will
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// equate to mount paths on the host, not mount paths to the docker container in question.
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async detectDockerWithMountedDockerSocket() {
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let cgroupsBuffer;
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try {
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// If we are inside a docker container, the last line of `/proc/self/cgroup` should be
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// 0::/docker/$SOME_ID
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//
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// If we are not, the line will likely be `0::/`
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cgroupsBuffer = await readFile("/proc/self/cgroup", {
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encoding: "utf-8",
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});
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}
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catch (e) {
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actionsCore.debug(`Did not detect \`/proc/self/cgroup\` existence, bailing on docker container ID detection:\n${e}`);
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return false;
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}
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const cgroups = cgroupsBuffer.trim().split("\n");
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const lastCgroup = cgroups[cgroups.length - 1];
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const lastCgroupParts = lastCgroup.split(":");
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const lastCgroupPath = lastCgroupParts[lastCgroupParts.length - 1];
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if (!lastCgroupPath.includes("/docker/")) {
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actionsCore.debug("Did not detect a container ID, bailing on docker.sock detection");
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return false;
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}
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// We are in a docker container, now to determine if this container is visible from
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// the `docker` command, and if so, if there is a `docker.socket` mounted.
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const lastCgroupPathParts = lastCgroupPath.split("/");
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const containerId = lastCgroupPathParts[lastCgroupPathParts.length - 1];
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// If we cannot `docker inspect` this discovered container ID, we'll fall through to the `catch` below.
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let stdoutBuffer = "";
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let stderrBuffer = "";
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let exitCode;
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try {
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exitCode = await actionsExec.exec("docker", ["inspect", containerId], {
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silent: true,
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listeners: {
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stdout: (data) => {
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stdoutBuffer += data.toString("utf-8");
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},
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stderr: (data) => {
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stderrBuffer += data.toString("utf-8");
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},
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},
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});
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}
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catch (e) {
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actionsCore.debug(`Could not execute \`docker inspect ${containerId}\`, bailing on docker container inspection:\n${e}`);
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return false;
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}
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if (exitCode !== 0) {
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actionsCore.debug(`Unable to inspect detected docker container with id \`${containerId}\`, bailing on container inspection (exit ${exitCode}):\n${stderrBuffer}`);
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return false;
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}
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const output = JSON.parse(stdoutBuffer);
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// `docker inspect $ID` prints an array containing objects.
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// In our use case, we should only see 1 item in the array.
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if (output.length !== 1) {
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actionsCore.debug(`Got \`docker inspect ${containerId}\` output which was not one item (was ${output.length}), bailing on docker.sock detection.`);
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return false;
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}
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const item = output[0];
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// On this array item we want the `Mounts` field, which is an array
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// containing `{ Type, Source, Destination, Mode}`.
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// We are looking for a `Destination` ending with `docker.sock`.
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const mounts = item["Mounts"];
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if (typeof mounts !== "object") {
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actionsCore.debug(`Got non-object in \`Mounts\` field of \`docker inspect ${containerId}\` output, bailing on docker.sock detection.`);
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return false;
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}
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let foundDockerSockMount = false;
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for (const mount of mounts) {
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const destination = mount["Destination"];
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if (typeof destination === "string") {
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if (destination.endsWith("docker.sock")) {
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foundDockerSockMount = true;
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break;
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}
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}
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}
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return foundDockerSockMount;
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}
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async executionEnvironment() {
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const executionEnv = {};
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const runnerOs = process.env["RUNNER_OS"];
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executionEnv.NIX_INSTALLER_NO_CONFIRM = "true";
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executionEnv.NIX_INSTALLER_DIAGNOSTIC_ATTRIBUTION = JSON.stringify(this.idslib.getCorrelationHashes());
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if (this.backtrace !== null) {
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executionEnv.RUST_BACKTRACE = this.backtrace;
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}
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if (this.modifyProfile !== null) {
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if (this.modifyProfile) {
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executionEnv.NIX_INSTALLER_MODIFY_PROFILE = "true";
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}
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else {
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executionEnv.NIX_INSTALLER_MODIFY_PROFILE = "false";
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}
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}
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if (this.nixBuildGroupId !== null) {
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executionEnv.NIX_INSTALLER_NIX_BUILD_GROUP_ID = `${this.nixBuildGroupId}`;
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}
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if (this.nixBuildGroupName !== null) {
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executionEnv.NIX_INSTALLER_NIX_BUILD_GROUP_NAME = this.nixBuildGroupName;
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}
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if (this.nixBuildUserPrefix !== null) {
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executionEnv.NIX_INSTALLER_NIX_BUILD_USER_PREFIX =
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this.nixBuildUserPrefix;
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}
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if (this.nixBuildUserCount !== null) {
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executionEnv.NIX_INSTALLER_NIX_BUILD_USER_COUNT = `${this.nixBuildUserCount}`;
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}
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if (this.nixBuildUserBase !== null) {
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executionEnv.NIX_INSTALLER_NIX_BUILD_USER_ID_BASE = `${this.nixBuildUserCount}`;
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}
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if (this.nixPackageUrl !== null) {
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executionEnv.NIX_INSTALLER_NIX_PACKAGE_URL = `${this.nixPackageUrl}`;
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}
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if (this.proxy !== null) {
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executionEnv.NIX_INSTALLER_PROXY = this.proxy;
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}
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if (this.sslCertFile !== null) {
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executionEnv.NIX_INSTALLER_SSL_CERT_FILE = this.sslCertFile;
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}
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executionEnv.NIX_INSTALLER_DIAGNOSTIC_ENDPOINT =
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this.idslib.getDiagnosticsUrl()?.toString() ?? "";
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// TODO: Error if the user uses these on not-MacOS
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if (this.macEncrypt !== null) {
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if (runnerOs !== "macOS") {
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throw new Error("`mac-encrypt` while `$RUNNER_OS` was not `macOS`");
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}
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executionEnv.NIX_INSTALLER_ENCRYPT = this.macEncrypt;
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}
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if (this.macCaseSensitive !== null) {
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if (runnerOs !== "macOS") {
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throw new Error("`mac-case-sensitive` while `$RUNNER_OS` was not `macOS`");
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}
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executionEnv.NIX_INSTALLER_CASE_SENSITIVE = this.macCaseSensitive;
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}
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if (this.macVolumeLabel !== null) {
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if (runnerOs !== "macOS") {
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throw new Error("`mac-volume-label` while `$RUNNER_OS` was not `macOS`");
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}
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executionEnv.NIX_INSTALLER_VOLUME_LABEL = this.macVolumeLabel;
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}
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if (this.macRootDisk !== null) {
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if (runnerOs !== "macOS") {
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throw new Error("`mac-root-disk` while `$RUNNER_OS` was not `macOS`");
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}
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executionEnv.NIX_INSTALLER_ROOT_DISK = this.macRootDisk;
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}
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if (this.logger !== null) {
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executionEnv.NIX_INSTALLER_LOGGER = this.logger;
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}
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if (this.logDirectives !== null) {
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executionEnv.NIX_INSTALLER_LOG_DIRECTIVES = this.logDirectives;
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}
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// TODO: Error if the user uses these on MacOS
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if (this.init !== null) {
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if (runnerOs === "macOS") {
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throw new Error("`init` is not a valid option when `$RUNNER_OS` is `macOS`");
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}
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executionEnv.NIX_INSTALLER_INIT = this.init;
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}
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if (this.startDaemon !== null) {
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if (this.startDaemon) {
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executionEnv.NIX_INSTALLER_START_DAEMON = "true";
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}
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else {
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executionEnv.NIX_INSTALLER_START_DAEMON = "false";
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}
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}
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let extraConf = "";
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if (this.githubServerUrl !== null && this.githubToken !== null) {
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const serverUrl = this.githubServerUrl.replace("https://", "");
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extraConf += `access-tokens = ${serverUrl}=${this.githubToken}`;
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extraConf += "\n";
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}
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if (this.trustRunnerUser !== null) {
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const user = userInfo().username;
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if (user) {
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extraConf += `trusted-users = root ${user}`;
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}
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else {
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extraConf += `trusted-users = root`;
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}
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extraConf += "\n";
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}
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if (this.flakehub) {
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extraConf += `netrc-file = ${await this.flakehubLogin()}`;
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extraConf += "\n";
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}
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if (this.extraConf !== null && this.extraConf.length !== 0) {
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extraConf += this.extraConf.join("\n");
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extraConf += "\n";
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}
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executionEnv.NIX_INSTALLER_EXTRA_CONF = extraConf;
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if (process.env["ACT"] && !process.env["NOT_ACT"]) {
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this.idslib.addFact(FACT_IN_GITHUB_ACTIONS, true);
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actionsCore.info("Detected `$ACT` environment, assuming this is a https://github.com/nektos/act created container, set `NOT_ACT=true` to override this. This will change the setting of the `init` to be compatible with `act`");
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executionEnv.NIX_INSTALLER_INIT = "none";
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}
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if (process.env["NSC_VM_ID"] && !process.env["NOT_NAMESPACE"]) {
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this.idslib.addFact(FACT_IN_NAMESPACE_SO, true);
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actionsCore.info("Detected Namespace runner, assuming this is a https://namespace.so created container, set `NOT_NAMESPACE=true` to override this. This will change the setting of the `init` to be compatible with Namespace");
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executionEnv.NIX_INSTALLER_INIT = "none";
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}
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return executionEnv;
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}
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async executeInstall(binaryPath) {
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const executionEnv = await this.executionEnvironment();
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actionsCore.debug(`Execution environment: ${JSON.stringify(executionEnv, null, 4)}`);
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const args = ["install"];
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if (this.planner) {
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this.idslib.addFact(FACT_NIX_INSTALLER_PLANNER, this.planner);
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args.push(this.planner);
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}
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else {
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this.idslib.addFact(FACT_NIX_INSTALLER_PLANNER, getDefaultPlanner());
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args.push(getDefaultPlanner());
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}
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if (this.extraArgs) {
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const extraArgs = stringArgv(this.extraArgs);
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args.concat(extraArgs);
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}
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this.idslib.recordEvent(EVENT_INSTALL_NIX_START);
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const exitCode = await actionsExec.exec(binaryPath, args, {
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env: {
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...executionEnv,
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...process.env, // To get $PATH, etc
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},
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});
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if (exitCode !== 0) {
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this.idslib.recordEvent(EVENT_INSTALL_NIX_FAILURE, {
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exitCode,
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});
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throw new Error(`Non-zero exit code of \`${exitCode}\` detected`);
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}
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this.idslib.recordEvent(EVENT_INSTALL_NIX_SUCCESS);
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return exitCode;
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}
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async install() {
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const existingInstall = await this.detectExisting();
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if (existingInstall) {
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if (this.reinstall) {
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// We need to uninstall, then reinstall
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actionsCore.info("Nix was already installed, `reinstall` is set, uninstalling for a reinstall");
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await this.executeUninstall();
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}
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else {
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// We're already installed, and not reinstalling, just set GITHUB_PATH and finish early
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await this.setGithubPath();
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actionsCore.info("Nix was already installed, using existing install");
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return;
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}
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}
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if (this.kvm) {
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actionsCore.startGroup("Configuring KVM");
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if (await this.setupKvm()) {
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actionsCore.endGroup();
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actionsCore.info("\u001b[32m Accelerated KVM is enabled \u001b[33m⚡️");
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actionsCore.exportVariable("DETERMINATE_NIX_KVM", "1");
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}
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else {
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actionsCore.endGroup();
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actionsCore.info("KVM is not available.");
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actionsCore.exportVariable("DETERMINATE_NIX_KVM", "0");
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}
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}
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// Normal just doing of the install
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actionsCore.startGroup("Installing Nix");
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const binaryPath = await this.fetchBinary();
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await this.executeInstall(binaryPath);
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actionsCore.endGroup();
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if (this.forceDockerShim) {
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await this.spawnDockerShim();
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}
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await this.setGithubPath();
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}
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async spawnDockerShim() {
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actionsCore.startGroup("Configuring the Docker shim as the Nix Daemon's process supervisor");
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const images = {
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X64: path.join(__dirname, "/../docker-shim/amd64.tar.gz"),
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ARM64: path.join(__dirname, "/../docker-shim/arm64.tar.gz"),
|
||
};
|
||
const runnerArch = process.env["RUNNER_ARCH"];
|
||
let arch;
|
||
if (runnerArch === "X64") {
|
||
arch = "X64";
|
||
}
|
||
else if (runnerArch === "ARM64") {
|
||
arch = "ARM64";
|
||
}
|
||
else {
|
||
throw Error("Architecture not supported in Docker shim mode.");
|
||
}
|
||
actionsCore.debug("Loading image: determinate-nix-shim:latest...");
|
||
{
|
||
const exitCode = await actionsExec.exec("docker", ["image", "load", "--input", images[arch]], {
|
||
silent: true,
|
||
listeners: {
|
||
stdout: (data) => {
|
||
const trimmed = data.toString("utf-8").trimEnd();
|
||
if (trimmed.length >= 0) {
|
||
actionsCore.debug(trimmed);
|
||
}
|
||
},
|
||
stderr: (data) => {
|
||
const trimmed = data.toString("utf-8").trimEnd();
|
||
if (trimmed.length >= 0) {
|
||
actionsCore.debug(trimmed);
|
||
}
|
||
},
|
||
},
|
||
});
|
||
if (exitCode !== 0) {
|
||
throw new Error(`Failed to build the shim image, exit code: \`${exitCode}\``);
|
||
}
|
||
}
|
||
{
|
||
actionsCore.debug("Starting the Nix daemon through Docker...");
|
||
this.idslib.recordEvent(EVENT_START_DOCKER_SHIM);
|
||
const exitCode = await actionsExec.exec("docker", [
|
||
"--log-level=debug",
|
||
"run",
|
||
"--detach",
|
||
"--privileged",
|
||
"--network=host",
|
||
"--userns=host",
|
||
"--pid=host",
|
||
"--mount",
|
||
"type=bind,src=/bin,dst=/bin,readonly",
|
||
"--mount",
|
||
"type=bind,src=/lib,dst=/lib,readonly",
|
||
"--mount",
|
||
"type=bind,src=/home,dst=/home,readonly",
|
||
"--mount",
|
||
"type=bind,src=/tmp,dst=/tmp",
|
||
"--mount",
|
||
"type=bind,src=/nix,dst=/nix",
|
||
"--mount",
|
||
"type=bind,src=/etc,dst=/etc,readonly",
|
||
"--restart",
|
||
"always",
|
||
"--init",
|
||
"--name",
|
||
`determinate-nix-shim-${this.idslib.getUniqueId()}-${randomUUID()}`,
|
||
"determinate-nix-shim:latest",
|
||
], {
|
||
silent: true,
|
||
listeners: {
|
||
stdline: (data) => {
|
||
actionsCore.saveState("docker_shim_container_id", data.trimEnd());
|
||
},
|
||
stdout: (data) => {
|
||
const trimmed = data.toString("utf-8").trimEnd();
|
||
if (trimmed.length >= 0) {
|
||
actionsCore.debug(trimmed);
|
||
}
|
||
},
|
||
stderr: (data) => {
|
||
const trimmed = data.toString("utf-8").trimEnd();
|
||
if (trimmed.length >= 0) {
|
||
actionsCore.debug(trimmed);
|
||
}
|
||
},
|
||
},
|
||
});
|
||
if (exitCode !== 0) {
|
||
throw new Error(`Failed to start the Nix daemon through Docker, exit code: \`${exitCode}\``);
|
||
}
|
||
}
|
||
actionsCore.endGroup();
|
||
return;
|
||
}
|
||
async cleanupDockerShim() {
|
||
const containerId = actionsCore.getState("docker_shim_container_id");
|
||
if (containerId !== "") {
|
||
actionsCore.startGroup("Cleaning up the Nix daemon's Docker shim");
|
||
let cleaned = false;
|
||
try {
|
||
await actionsExec.exec("docker", ["rm", "--force", containerId]);
|
||
cleaned = true;
|
||
}
|
||
catch {
|
||
actionsCore.warning("failed to cleanup nix daemon container");
|
||
}
|
||
if (!cleaned) {
|
||
actionsCore.info("trying to pkill the container's shim process");
|
||
try {
|
||
await actionsExec.exec("pkill", [containerId]);
|
||
cleaned = true;
|
||
}
|
||
catch {
|
||
actionsCore.warning("failed to forcibly kill the container's shim process");
|
||
}
|
||
}
|
||
if (cleaned) {
|
||
this.idslib.recordEvent(EVENT_CLEAN_UP_DOCKER_SHIM);
|
||
}
|
||
else {
|
||
actionsCore.warning("Giving up on cleaning up the nix daemon container");
|
||
}
|
||
actionsCore.endGroup();
|
||
}
|
||
}
|
||
async setGithubPath() {
|
||
// Interim versions of the `nix-installer` crate may have already manipulated `$GITHUB_PATH`, as root even! Accessing that will be an error.
|
||
try {
|
||
const nixVarNixProfilePath = "/nix/var/nix/profiles/default/bin";
|
||
const homeNixProfilePath = `${process.env["HOME"]}/.nix-profile/bin`;
|
||
actionsCore.addPath(nixVarNixProfilePath);
|
||
actionsCore.addPath(homeNixProfilePath);
|
||
actionsCore.info(`Added \`${nixVarNixProfilePath}\` and \`${homeNixProfilePath}\` to \`$GITHUB_PATH\``);
|
||
}
|
||
catch (error) {
|
||
actionsCore.info("Skipping setting $GITHUB_PATH in action, the `nix-installer` crate seems to have done this already. From `nix-installer` version 0.11.0 and up, this step is done in the action. Prior to 0.11.0, this was only done in the `nix-installer` binary.");
|
||
}
|
||
}
|
||
async flakehubLogin() {
|
||
this.idslib.recordEvent(EVENT_LOGIN_TO_FLAKEHUB);
|
||
const netrcPath = `${process.env["RUNNER_TEMP"]}/determinate-nix-installer-netrc`;
|
||
const jwt = await actionsCore.getIDToken("api.flakehub.com");
|
||
await writeFile(netrcPath, [
|
||
`machine api.flakehub.com login flakehub password ${jwt}`,
|
||
`machine flakehub.com login flakehub password ${jwt}`,
|
||
].join("\n"));
|
||
actionsCore.info("Logging in to FlakeHub.");
|
||
// the join followed by a match on ^... looks silly, but extra_config
|
||
// could contain multi-line values
|
||
if (this.extraConf?.join("\n").match(/^netrc-file/m)) {
|
||
actionsCore.warning("Logging in to FlakeHub conflicts with the Nix option `netrc-file`.");
|
||
}
|
||
return netrcPath;
|
||
}
|
||
async executeUninstall() {
|
||
this.idslib.recordEvent(EVENT_UNINSTALL_NIX);
|
||
const exitCode = await actionsExec.exec(`/nix/nix-installer`, ["uninstall"], {
|
||
env: {
|
||
NIX_INSTALLER_NO_CONFIRM: "true",
|
||
...process.env, // To get $PATH, etc
|
||
},
|
||
});
|
||
if (exitCode !== 0) {
|
||
throw new Error(`Non-zero exit code of \`${exitCode}\` detected`);
|
||
}
|
||
return exitCode;
|
||
}
|
||
async detectExisting() {
|
||
const receiptPath = "/nix/receipt.json";
|
||
try {
|
||
await access(receiptPath);
|
||
// There is a /nix/receipt.json
|
||
return true;
|
||
}
|
||
catch {
|
||
// No /nix/receipt.json
|
||
return false;
|
||
}
|
||
}
|
||
async setupKvm() {
|
||
this.idslib.recordEvent(EVENT_SETUP_KVM);
|
||
const currentUser = userInfo();
|
||
const isRoot = currentUser.uid === 0;
|
||
const maybeSudo = isRoot ? "" : "sudo";
|
||
const kvmRules = "/etc/udev/rules.d/99-determinate-nix-installer-kvm.rules";
|
||
try {
|
||
const writeFileExitCode = await actionsExec.exec("sh", [
|
||
"-c",
|
||
`echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | ${maybeSudo} tee ${kvmRules} > /dev/null`,
|
||
], {
|
||
silent: true,
|
||
listeners: {
|
||
stdout: (data) => {
|
||
const trimmed = data.toString("utf-8").trimEnd();
|
||
if (trimmed.length >= 0) {
|
||
actionsCore.debug(trimmed);
|
||
}
|
||
},
|
||
stderr: (data) => {
|
||
const trimmed = data.toString("utf-8").trimEnd();
|
||
if (trimmed.length >= 0) {
|
||
actionsCore.debug(trimmed);
|
||
}
|
||
},
|
||
},
|
||
});
|
||
if (writeFileExitCode !== 0) {
|
||
throw new Error(`Non-zero exit code of \`${writeFileExitCode}\` detected while writing '${kvmRules}'`);
|
||
}
|
||
const debugRootRunThrow = async (action, command, args) => {
|
||
if (!isRoot) {
|
||
args = [command, ...args];
|
||
command = "sudo";
|
||
}
|
||
const reloadExitCode = await actionsExec.exec(command, args, {
|
||
silent: true,
|
||
listeners: {
|
||
stdout: (data) => {
|
||
const trimmed = data.toString("utf-8").trimEnd();
|
||
if (trimmed.length >= 0) {
|
||
actionsCore.debug(trimmed);
|
||
}
|
||
},
|
||
stderr: (data) => {
|
||
const trimmed = data.toString("utf-8").trimEnd();
|
||
if (trimmed.length >= 0) {
|
||
actionsCore.debug(trimmed);
|
||
}
|
||
},
|
||
},
|
||
});
|
||
if (reloadExitCode !== 0) {
|
||
throw new Error(`Non-zero exit code of \`${reloadExitCode}\` detected while ${action}.`);
|
||
}
|
||
};
|
||
await debugRootRunThrow("reloading udev rules", "udevadm", [
|
||
"control",
|
||
"--reload-rules",
|
||
]);
|
||
await debugRootRunThrow("triggering udev against kvm", "udevadm", [
|
||
"trigger",
|
||
"--name-match=kvm",
|
||
]);
|
||
return true;
|
||
}
|
||
catch (error) {
|
||
if (isRoot) {
|
||
await actionsExec.exec("rm", ["-f", kvmRules]);
|
||
}
|
||
else {
|
||
await actionsExec.exec("sudo", ["rm", "-f", kvmRules]);
|
||
}
|
||
return false;
|
||
}
|
||
}
|
||
async fetchBinary() {
|
||
if (!this.localRoot) {
|
||
return await this.idslib.fetchExecutable();
|
||
}
|
||
else {
|
||
const localPath = join(this.localRoot, `nix-installer-${this.platform}`);
|
||
actionsCore.info(`Using binary ${localPath}`);
|
||
return localPath;
|
||
}
|
||
}
|
||
async reportOverall() {
|
||
try {
|
||
this.idslib.recordEvent(EVENT_CONCLUDE_WORKFLOW, {
|
||
conclusion: await this.getWorkflowConclusion(),
|
||
});
|
||
}
|
||
catch (error) {
|
||
actionsCore.debug(`Error submitting post-run diagnostics report: ${error}`);
|
||
}
|
||
}
|
||
async getWorkflowConclusion() {
|
||
if (this.githubToken == null) {
|
||
return undefined;
|
||
}
|
||
try {
|
||
const octokit = github.getOctokit(this.githubToken);
|
||
const jobs = await octokit.paginate(octokit.rest.actions.listJobsForWorkflowRun, {
|
||
owner: github.context.repo.owner,
|
||
repo: github.context.repo.repo,
|
||
/* eslint-disable camelcase */
|
||
run_id: github.context.runId,
|
||
});
|
||
actionsCore.debug(`awaited jobs: ${jobs}`);
|
||
const job = jobs
|
||
.filter((candidate) => candidate.name === github.context.job)
|
||
.at(0);
|
||
if (job === undefined) {
|
||
return "no-jobs";
|
||
}
|
||
const outcomes = (job.steps ?? []).map((j) => j.conclusion ?? "unknown");
|
||
// Possible values: success, failure, cancelled, or skipped
|
||
// from: https://docs.github.com/en/actions/learn-github-actions/contexts
|
||
if (outcomes.includes("failure")) {
|
||
// Any failures fails the job
|
||
return "failure";
|
||
}
|
||
if (outcomes.includes("cancelled")) {
|
||
// Any cancellations cancels the job
|
||
return "cancelled";
|
||
}
|
||
// Assume success if no jobs failed or were canceled
|
||
return "success";
|
||
}
|
||
catch (error) {
|
||
actionsCore.debug(`Error determining final disposition: ${error}`);
|
||
return "unavailable";
|
||
}
|
||
}
|
||
}
|
||
function getDefaultPlanner() {
|
||
const envOs = process.env["RUNNER_OS"];
|
||
if (envOs === "macOS") {
|
||
return "macos";
|
||
}
|
||
else if (envOs === "Linux") {
|
||
return "linux";
|
||
}
|
||
else {
|
||
throw new Error(`Unsupported \`RUNNER_OS\` (currently \`${envOs}\`)`);
|
||
}
|
||
}
|
||
function main() {
|
||
const installer = new NixInstallerAction();
|
||
installer.idslib.onMain(async () => {
|
||
await installer.detectAndForceDockerShim();
|
||
await installer.install();
|
||
});
|
||
installer.idslib.onPost(async () => {
|
||
await installer.cleanupDockerShim();
|
||
await installer.reportOverall();
|
||
});
|
||
installer.idslib.execute();
|
||
}
|
||
main();
|