prepping treeinfo outside

iso/empanadas/empanadas/util/dnf_utils.py

@@ -78,6 +78,7 @@ class RepoSync:
         self.compose_root = config['compose_root']
         self.compose_base = config['compose_root'] + "/" + major
         self.profile = rlvars['profile']
+        self.iso_map = rlvars['iso_map']
 
         # Relevant major version items
         self.shortname = config['shortname']
@@ -935,7 +936,8 @@ class RepoSync:
     def deploy_treeinfo(self, repo, sync_root, arch):
         """
         Deploys initial treeinfo files. These have the potential of being
-        overwritten by our ISO process, which is fine.
+        overwritten by our ISO process, which is fine. If there is a treeinfo
+        found, it will be skipped.
         """
         arches_to_tree = self.arches
         if arch:

iso/empanadas/empanadas/util/iso_utils.py

@@ -450,7 +450,7 @@ class IsoBuild:
         for arch in arches_to_unpack:
             for variant in self.iso_map['images']:
                 self.log.info(
-                        'Configuring treeinfo for %s%s %s%s' % (Color.BOLD, arch, variant, Color.END)
+                        'Configuring treeinfo and discinfo for %s%s %s%s' % (Color.BOLD, arch, variant, Color.END)
                 )
 
                 self._treeinfo_wrapper(arch, variant)
@@ -741,12 +741,15 @@ class IsoBuild:
 
     def _treeinfo_wrapper(self, arch, variant):
         """
-        Ensure treeinfo is written correctly based on the variant passed. Each
+        Ensure treeinfo and discinfo is written correctly based on the variant
-        .treeinfo file should be configured similarly but also differently from
+        passed. Each file should be configured similarly but also differently
-        the next.
+        from the next. The Shared module does have a .treeinfo writer, but it
+        is for basic use. Eventually it'll be expanded to handle this scenario.
         """
         image = os.path.join(self.lorax_work_dir, arch, variant)
         treeinfo = os.path.join(image, '.treeinfo')
+        discinfo = os.path.join(image, '.discinfo')
+        mediarepo = os.path.join(image, 'media.repo')
         imagemap = self.iso_map['images'][variant]
         primary = imagemap['variant']
         repos = imagemap['repos']
@@ -827,6 +830,10 @@ class IsoBuild:
 
         # Set default variant
         ti.dump(treeinfo, main_variant=primary)
+        # Set discinfo
+        Shared.discinfo_write(self.timestamp, self.fullname, arch, discinfo)
+        # Set media.repo
+        Shared.media_repo_write(self.timestamp, self.fullname, mediarepo)
 
     # Next set of functions are loosely borrowed (in concept) from pungi. Some
     # stuff may be combined/mixed together, other things may be simplified or

iso/empanadas/empanadas/util/shared.py

@@ -2,6 +2,7 @@
 
 import os
 import hashlib
+import productmd.treeinfo
 
 class Shared:
     """
@@ -44,6 +45,46 @@ class Shared:
                 checksum.hexdigest()
         )
 
+    @staticmethod
+    def treeinfo_new_write(
+            file_path,
+            distname,
+            shortname,
+            release,
+            arch,
+            time,
+            repo
+        ):
+        """
+        Writes really basic treeinfo, this is for single repository treeinfo
+        data. This is usually called in the case of a fresh run and each repo
+        needs one.
+        """
+        ti = productmd.treeinfo.TreeInfo()
+        ti.release.name = distname
+        ti.release.short = shortname
+        ti.release.version = release
+        ti.tree.arch = arch
+        ti.tree.build_timestamp = time
+        # Variants (aka repos)
+        variant = productmd.treeinfo.Variant(ti)
+        variant.id = repo
+        variant.uid = repo
+        variant.name = repo
+        variant.type = "variant"
+        variant.repository = "."
+        variant.packages = "Packages"
+        ti.variants.add(variant)
+        ti.dump(file_path)
+
+    @staticmethod
+    def treeinfo_modify_write():
+        """
+        Modifies a specific treeinfo with already available data. This is in
+        the case of modifying treeinfo for primary repos or images.
+        """
+
+
     @staticmethod
     def discinfo_write(timestamp, fullname, arch, file_path):
         """