crear alpine rootfs

alpine/keys/alpine-devel@lists.alpinelinux.org-4a6a0840.rsa.pub

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
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+GuH34Q8GsFG30izUENV9avY7hSLq7nggsvknlNBZtFUcmGoQrtx3FmyYsIC8/R+B
+ywIDAQAB
+-----END PUBLIC KEY-----

alpine/keys/alpine-devel@lists.alpinelinux.org-5243ef4b.rsa.pub

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvNijDxJ8kloskKQpJdx+
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+cQIDAQAB
+-----END PUBLIC KEY-----

alpine/keys/alpine-devel@lists.alpinelinux.org-5261cecb.rsa.pub

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwlzMkl7b5PBdfMzGdCT0
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+wwIDAQAB
+-----END PUBLIC KEY-----

alpine/keys/alpine-devel@lists.alpinelinux.org-6165ee59.rsa.pub

@@ -0,0 +1,14 @@
+-----BEGIN PUBLIC KEY-----
+MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAutQkua2CAig4VFSJ7v54
+ALyu/J1WB3oni7qwCZD3veURw7HxpNAj9hR+S5N/pNeZgubQvJWyaPuQDm7PTs1+
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+htBqojBnThmjJQFgZXocHG8CAwEAAQ==
+-----END PUBLIC KEY-----

alpine/keys/alpine-devel@lists.alpinelinux.org-61666e3f.rsa.pub

@@ -0,0 +1,14 @@
+-----BEGIN PUBLIC KEY-----
+MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAlEyxkHggKCXC2Wf5Mzx4
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+rO5kbUxFeZUIDq+7Yv4kLWcCAwEAAQ==
+-----END PUBLIC KEY-----

index.ts

@@ -1 +1,49 @@
-console.log("hello world");
+import {
+  execFile as execFileCallback,
+  spawn as spawnCallback,
+} from "node:child_process";
+import { copyFile, mkdir, mkdtemp, opendir, writeFile } from "node:fs/promises";
+import { tmpdir } from "node:os";
+import path from "node:path";
+import { promisify } from "node:util";
+const execFile = promisify(execFileCallback);
+const spawn = promisify(spawnCallback);
+
+{
+  const rootfsDir = await mkdtemp(path.join(tmpdir(), "define-alpine-"));
+  console.debug(rootfsDir);
+  await makeWorld(rootfsDir);
+  try {
+    await spawn("sudo", ["chroot", rootfsDir], { stdio: "inherit" });
+  } catch {}
+}
+
+async function makeWorld(dir: string): Promise<void> {
+  const apkDir = path.join(dir, "/etc/apk");
+  await mkdir(apkDir, { recursive: true });
+
+  {
+    const apkKeysDir = path.join(apkDir, "keys");
+    const keysSrcDir = "alpine/keys";
+    await mkdir(apkKeysDir);
+    for await (const { name } of await opendir(keysSrcDir))
+      await copyFile(path.join(keysSrcDir, name), path.join(apkKeysDir, name));
+  }
+
+  await writeFile(
+    path.join(apkDir, "repositories"),
+    [
+      "https://dl-cdn.alpinelinux.org/alpine/v3.17/main",
+      "https://dl-cdn.alpinelinux.org/alpine/v3.17/community",
+    ].join("\n")
+  );
+  await execFile("sudo", [
+    "apk",
+    "add",
+    "--initdb",
+    "--clean-protected",
+    "--root",
+    dir,
+    ...["alpine-baselayout", "busybox", "libc-utils", "alpine-keys"],
+  ]);
+}