initial commit: make new github runner by docker

.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+./config.json

index.js

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+const { Octokit } = require("@octokit/rest");
+const { exec } = require("child_process");
+const { connected } = require("process");
+
+const args = process.argv.slice(2);
+
+const runnerName = args[0];
+
+if (runnerName == undefined) {
+  console.log("Usage: addRunner [runnerName]");
+  process.exit(1);
+}
+
+const config = require('./config.json');
+
+const host = config.host;
+const apiUrl = config.githubApiUrl;
+const githubPAT = config.githubPAT;
+const ownerName = config.ownerName;
+const repoName = config.repoName;
+
+const haveConfigError = [githubPAT, ownerName, repoName].some((element) => {
+    element == undefined || element == null || typeof element != "string"
+});
+
+console.log(`configError: ${haveConfigError}`);
+
+console.log(`Add runner by name ${runnerName}`);
+
+const octokit = new Octokit({
+  auth: githubPAT,
+  baseUrl: apiUrl,
+});
+
+async function loadRepositoryToken() {
+  const tokenResponse = await octokit.request(
+    "POST /repos/{owner}/{repo}/actions/runners/registration-token",
+    {
+      owner: ownerName,
+      repo: repoName,
+    }
+  );
+
+  const newToken = tokenResponse.data.token;
+
+  console.log(`Created new Repository token: ${newToken}`);
+
+  return newToken;
+}
+
+function runDocker(runnerName, repoToken) {
+  const script = `
+    docker run -d --restart always \
+  --name ${runnerName} \
+  -e REPO_URL="https://${host}/${ownerName}/${repoName}" \
+  -e RUNNER_NAME="docker-runner-${runnerName}" \
+  -e RUNNER_TOKEN=${repoToken} \
+  -e RUNNER_GROUP="default" \
+  -e RUNNER_WORKDIR="/tmp/github-runner-${repoName}" \
+  -v /var/run/docker.sock:/var/run/docker.sock \
+  -v /tmp/github-runner-${runnerName}:/tmp/github-runner-${repoName} \
+  myoung34/github-runner:latest
+    `;
+
+  exec(script, (error, stdout, stderr) => {
+    console.log(stdout);
+    console.log(stderr);
+    if (error !== null) {
+      console.log(`exec error: ${error}`);
+    }
+  });
+}
+
+async function addNewRunner(runnerName) {
+  const token = await loadRepositoryToken();
+  runDocker(runnerName, token);
+}
+
+addNewRunner(runnerName);