osbuild.py: rename run-stage to osbuild-run

Run all programs in the build root through osbuild-run. The things it
sets up are probbaly needed by everything.

osbuild-run

@@ -0,0 +1,22 @@
+#!/usr/bin/python3
+
+import subprocess
+import sys
+
+
+# ld.so.conf must exist, or `ldconfig` throws a warning
+subprocess.run(["touch", "/etc/ld.so.conf"], check=True)
+subprocess.run(["ldconfig"], check=True)
+
+try:
+    subprocess.run(["systemd-sysusers"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, check=True)
+except subprocess.CalledProcessError as error:
+    sys.stderr.write(error.stdout)
+    sys.exit(1)
+
+# Allow systemd-tmpfiles to return non-0. Some packages want to create
+# directories owned by users that are not set up with systemd-sysusers.
+subprocess.run(["systemd-tmpfiles", "--create"])
+
+r = subprocess.run(sys.argv[1:])
+sys.exit(r.returncode)

osbuild.py

@@ -66,9 +66,11 @@ class BuildRoot:
             "--volatile=yes",
             f"--machine={self.machine_name}",
             f"--directory={self.buildroot}",
+            f"--bind={libdir}/osbuild-run:/run/osbuild-run",
             f"--bind={self.tree}:/tmp/tree",
             *[f"--bind={src}:{dest}" for src, dest in binds],
-            *[f"--bind-ro={src}:{dest}" for src, dest in readonly_binds]
+            *[f"--bind-ro={src}:{dest}" for src, dest in readonly_binds],
+            "/run/osbuild-run",
         ] + argv, *args, **kwargs)
 
     def run_stage(self, stage, options={}, input_dir=None):
@@ -79,7 +81,6 @@ class BuildRoot:
         }
 
         robinds = [
-            (f"{libdir}/run-stage", "/tmp/run-stage"),
             (f"{libdir}/stages/{stage}", "/tmp/stage"),
             ("/etc/pki", "/etc/pki")
         ]
@@ -87,7 +88,7 @@ class BuildRoot:
             options["input_dir"] = "/tmp/input"
             robinds.append((input_dir, "/tmp/input"))
         try:
-            self.run(["/tmp/run-stage", "/tmp/stage"], readonly_binds=robinds,
+            self.run(["/tmp/stage"], readonly_binds=robinds,
                 input=json.dumps(options), encoding="utf-8", check=True)
         except subprocess.CalledProcessError as error:
             raise StageFailed(stage, error.returncode)
@@ -103,7 +104,6 @@ class BuildRoot:
         }
 
         robinds = [
-            (f"{libdir}/run-stage", "/tmp/run-stage"),
             (f"{libdir}/stages/{name}", "/tmp/stage"),
             ("/etc/pki", "/etc/pki")
         ]
@@ -114,7 +114,7 @@ class BuildRoot:
             binds.append((output_dir, "/tmp/output"))
 
         try:
-            self.run(["/tmp/run-stage", "/tmp/stage"], binds=binds, readonly_binds=robinds, input=json.dumps(options), encoding="utf-8", check=True)
+            self.run(["/tmp/stage"], binds=binds, readonly_binds=robinds, input=json.dumps(options), encoding="utf-8", check=True)
         except subprocess.CalledProcessError as error:
             raise StageFailed(stage, error.returncode)
 

run-stage

@@ -1,36 +0,0 @@
-#!/usr/bin/python3
-
-import argparse
-import subprocess
-import sys
-
-
-RESET = "\033[0m"
-BOLD = "\033[1m"
-RED = "\033[31m"
-
-
-def main(stage):
-    # ld.so.conf must exist, or `ldconfig` throws a warning
-    subprocess.run(["touch", "/etc/ld.so.conf"], check=True)
-    subprocess.run(["ldconfig"], check=True)
-
-    try:
-        subprocess.run(["systemd-sysusers"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, check=True)
-    except subprocess.CalledProcessError as error:
-        sys.stderr.write(error.stdout)
-        return 1
-
-    # Allow systemd-tmpfiles to return non-0. Some packages want to create
-    # directories owned by users that are not set up with systemd-sysusers.
-    subprocess.run(["systemd-tmpfiles", "--create"])
-
-    r = subprocess.run([stage])
-    return r.returncode
-
-
-if __name__ == "__main__":
-    parser = argparse.ArgumentParser()
-    parser.add_argument("stage")
-    args = parser.parse_args()
-    sys.exit(main(**vars(args)))