build: allow to define additional configs

asu/apply_config_local.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+for config in $(grep '#' /builder/.config_local | awk '{print $2}'); do sed -i 's/'${config}'.*//' /builder/.config ; done;
+
+cat /builder/.config_local >> /builder/.config

asu/build.py

@@ -152,6 +152,54 @@ def build(req: dict, job=None):
             },
         )
 
+    if "configs" in req:
+        log.debug("Found extra configs")
+        configs = ""
+        for config in req.get("configs"):
+            configs += f"{config}\n"
+
+        (store_path / bin_dir / ".config_local").write_text(configs)
+
+        mounts.append(
+            {
+                "type": "bind",
+                "source": str(store_path / bin_dir / ".config_local"),
+                "target": "/builder/.config_local",
+                "read_only": True,
+            }
+        )
+        mounts.append(
+            {
+                "type": "bind",
+                "source": str(store_path / "../../asu/apply_config_local.sh"),
+                "target": "/builder/apply_config_local.sh",
+                "read_only": True,
+            },
+        )
+
+        returncode, job.meta["stdout"], job.meta["stderr"] = run_container(
+            podman,
+            image,
+            [
+                "/bin/sh",
+                "-c",
+                (
+                    "/builder/apply_config_local.sh"
+                ),
+            ],
+            mounts=mounts,
+            copy=["/builder/.config", store_path / bin_dir ],
+        )
+
+        mounts.append(
+            {
+                "type": "bind",
+                "source": str(store_path / bin_dir / ".config"),
+                "target": "/builder/.config",
+                "read_only": True,
+            },
+        )       
+
     returncode, job.meta["stdout"], job.meta["stderr"] = run_container(
         podman,
         image,

asu/common.py

@@ -116,6 +116,7 @@ def get_request_hash(req: dict) -> str:
                 req.get("profile", "").replace(",", "_"),
                 get_packages_hash(req.get("packages", [])),
                 get_manifest_hash(req.get("packages_versions", {})),
+                get_configs_hash(req.get("configs", [])),
                 str(req.get("diff_packages", False)),
                 req.get("filesystem", ""),
                 get_str_hash(req.get("defaults", "")),
@@ -142,6 +143,16 @@ def get_packages_hash(packages: list) -> str:
     """
     return get_str_hash(" ".join(sorted(list(set(packages)))), 12)
 
+def get_configs_hash(configs: list) -> str:
+    """Return sha256sum of configs list
+    Duplicate configs are automatically removed and the list is sorted to be
+    reproducible
+    Args:
+        configs (list): list of configs
+    Returns:
+        str: hash of `req`
+    """
+    return get_str_hash(" ".join(sorted(list(set(configs)))), 12)
 
 def fingerprint_pubkey_usign(pubkey: str) -> str:
     """Return fingerprint of signify/usign public key

asu/openapi.yml

@@ -216,6 +216,18 @@ components:
         profile:
           type: string
           example: 8dev_carambola2
+        configs:
+          type: array
+          example:
+            - CONFIG_VERSION_DIST=MyRouterOS
+            - CONFIG_VERSION_NUMBER=1.6
+            - CONFIG_TARGET_ROOTFS_TARGZ=y
+            - CONFIG_TARGET_ROOTFS_JFFS2=y
+            - "# CONFIG_TARGET_ROOTFS_SQUASHFS is not set"
+          items:
+            type: string
+          description: |
+            List of configs, only the few ones not related to kernel/packages as they will not be recompiled.
         diff_packages:
           type: boolean
           description: |

tests/test_api.py

@@ -461,4 +461,4 @@ def test_api_build_defaults_filled_allowed(app):
     )
 
     assert response.status == "200 OK"
-    assert response.json.get("request_hash") == "0e4cbc84b22e7cbf885102248cc9c965"
+    assert response.json.get("request_hash") == "bbb1466d022881e53030751402b77e86"