osbuild

stages/io.weldr.anaconda

@@ -0,0 +1,39 @@
+#!/usr/bin/python3
+
+import json
+import os
+import subprocess
+import sys
+import tempfile
+
+def main(tree, kickstart, skip_package_install=False):
+    with open("/tmp/kickstart.ks", "w") as f:
+        if skip_package_install:
+            subprocess.run(["tar", "cvf", "/tmp/empty.tar", "--files-from", "/dev/null"])
+            f.write(f"liveimg --url=file:///tmp/empty.tar\n")
+        f.write(kickstart)
+
+    cmd = [
+        "anaconda",
+        "--cmdline",
+        "--loglevel", "debug",
+        "--kickstart", "/tmp/kickstart.ks",
+        "--dirinstall", tree
+    ]
+    print(" ".join(cmd), flush=True)
+    returncode = subprocess.run(cmd).returncode
+
+    if returncode != 0:
+        print("\n=== anaconda.log" + "=" * 50)
+        with open("/tmp/anaconda.log") as f:
+            print(f.read())
+
+    if skip_package_install:
+        os.unlink("/tmp/empty.tar")
+    os.unlink("/tmp/kickstart.ks")
+
+    return returncode
+
+if __name__ == '__main__':
+    options = json.load(sys.stdin)
+    sys.exit(main(**options))

stages/io.weldr.dnf

@@ -0,0 +1,47 @@
+#!/usr/bin/python3
+
+import atexit
+import configparser
+import json
+import os
+import subprocess
+import sys
+import tempfile
+
+def bindmount(source, dest):
+    os.makedirs(source, 0o755, True)
+    os.makedirs(dest, 0o755, True)
+    subprocess.run(["mount", "--bind", source, dest], check=True)
+    atexit.register(lambda: subprocess.run(["umount", dest]))
+
+def main(tree, repos, packages, releasever, cache=None):
+    with tempfile.NamedTemporaryFile(mode="w", prefix="dnf-", suffix=".conf", delete=False) as dnfconfig:
+        p = configparser.ConfigParser()
+        p.read_dict(repos)
+        p.write(dnfconfig)
+        atexit.register(lambda: os.unlink(dnfconfig.name))
+
+    bindmount("/proc", f"{tree}/proc")
+    bindmount("/sys", f"{tree}/sys")
+    bindmount("/dev", f"{tree}/dev")
+
+    if cache:
+        bindmount(cache, f"{tree}/var/cache/dnf")
+
+    cmd = [
+        "dnf", "-yv",
+        "--installroot", tree,
+        "--setopt", "reposdir=",
+        "--setopt", "keepcache=True",
+        "--setopt", "install_weak_deps=False",
+        "--releasever", releasever,
+        "--config", dnfconfig.name,
+        "install"
+    ] + packages
+
+    print(" ".join(cmd), flush=True)
+    return subprocess.run(cmd).returncode
+
+if __name__ == '__main__':
+    options = json.load(sys.stdin)
+    sys.exit(main(**options))