add templating for tag and package name in info.yaml

build.py

@@ -24,7 +24,8 @@ PKG_VERSION: str = ""
 class Image:
     canonical_name: str
     is_versioned: bool | None
-    source_packages_list: list[str] | None
+    verion_template: str | None
+    source_packages: list[str] | None
 
     def __init__(self, canonical_name: str):
         self.canonical_name = canonical_name
@@ -34,7 +35,7 @@ class Image:
         info_file = self.path / "info.yaml"
         if not info_file.exists():
             self.is_versioned = None
-            self.source_packages_list = None
+            self.source_packages = None
             return
 
         info: dict = yaml.safe_load(info_file.read_text())
@@ -44,19 +45,23 @@ class Image:
                 f"info.yaml for {self.canonical_name} doesn't contain 'is_versioned' key"
             )
 
-        if "source_packages_list" not in info:
+        if "source_packages" not in info:
             raise RuntimeError(
-                f"info.yaml for {self.canonical_name} doesn't contain 'source_packages_list' key"
+                f"info.yaml for {self.canonical_name} doesn't contain 'source_packages' key"
             )
 
         self.is_versioned = info["is_versioned"]
-        self.source_packages_list = info["source_packages_list"]
+        self.source_packages = info["source_packages"]
 
-        if self.is_versioned and not self.source_packages_list:
+        if self.is_versioned and not self.source_packages:
             raise RuntimeError(
-                f"source_packages_list for {self.canonical_name} doesn't contain any values"
+                f"source_packages for {self.canonical_name} doesn't contain any values"
             )
 
+        self.version_template = None
+        if "version_template" in info:
+            self.version_template = info["version_template"]
+
 
 class Tasks:
     def __init__(self, tasks):
@@ -87,7 +92,7 @@ def api_get_source_package_version(branch: str, package_name: str) -> str:
     if response.status_code != 200:
         print(response)
         raise RuntimeError(
-            f"failed to retrieve package version: package {package_name!r}, branch {branch!r} "
+            f"failed to retrieve source package version: source package {package_name!r}, branch {branch!r} "
         )
 
     result = response.json()
@@ -105,12 +110,16 @@ class Tags:
 
     def tags(self, branch: str, image: Image):
         if self._tags is None:
-            if image.is_versioned and image.source_packages_list:
-                package_name = image.source_packages_list[0]
-                if "{version}" in package_name:
+            if image.is_versioned and image.source_packages:
+                package_name = image.source_packages[0]
+                if mat := re.search("{{.*}}", package_name):
                     assert PKG_VERSION is not None
-                    package_name = package_name.format(version=PKG_VERSION)
+                    package_name = Template(package_name).render(version=PKG_VERSION)
                 version = api_get_source_package_version(branch, package_name)
+
+                if image.version_template is not None:
+                    version = Template(image.version_template).render(version=version)
+
                 tags = [version]
             else:
                 tags = [branch]

org/k8s/flannel-cni-plugin/info.yaml

@@ -0,0 +1,6 @@
+---
+is_versioned: true
+version_template: v{{ version.rsplit('.', 1) | first  }}-flannel{{ version.rsplit('.', 1) | last }}
+source_packages:
+  - cni-plugin-flannel
+...

org/k8s/kube-apiserver/info.yaml

@@ -1,5 +1,6 @@
 ---
 is_versioned: true
-source_packages_list:
-  - kubernetes{version}
+version_template: v{{ version }}
+source_packages:
+  - kubernetes{{ version }}
 ...