Helper script to pull out kernel/initrd/vendor

tools/onlplatform.py

@@ -0,0 +1,82 @@
+#!/usr/bin/python
+
+"""onlplatform.py
+
+Extract install file requirements from the platform YAML file and/or
+the platform package metadata.
+"""
+
+import sys, os
+import itertools
+
+toolsdir = os.path.dirname(os.path.abspath(__file__))
+sys.path.append(toolsdir)
+
+onldir = os.path.dirname(toolsdir)
+onlpydir = os.path.join(onldir, "packages/base/all/vendor-config-onl/src/python")
+sys.path.append(onlpydir)
+
+import onl.YamlUtils
+
+from onlpm import *
+# glob import is required here so pickle load load properly
+
+pm = defaultPm()
+
+platform = sys.argv[1]
+arch = sys.argv[2]
+key = sys.argv[3]
+
+def extractKey(platform, arch, key):
+
+    pkg = "onl-platform-config-%s:%s" % (platform, arch,)
+    basename = "%s.yml" % platform
+    pm.require(pkg, force=False, build_missing=False)
+    platformConfigPath = pm.opr.get_file(pkg, basename)
+
+    if arch in ('amd64',):
+        pkg = "onl-vendor-config-onl:all"
+        basename = "platform-config-defaults-x86-64.yml"
+        subkey = 'grub'
+    else:
+        pkg = "onl-vendor-config-onl:all"
+        basename = "platform-config-defaults-uboot.yml"
+        subkey = 'flat_image_tree'
+    pm.require(pkg, force=False, build_missing=False)
+    defaultConfigPath = pm.opr.get_file(pkg, basename)
+
+    platformConf = onl.YamlUtils.merge(defaultConfigPath, platformConfigPath)
+    resource = platformConf[platform][subkey][key]
+    if type(resource) == dict:
+        pkg = resource['package']
+        basename = resource['=']
+    else:
+        pkg, sep, basename = resource.partition(',')
+        if not sep:
+            raise ValueError("resource missing package declaration: %s" % resource)
+        pkg = pkg.strip()
+        basename = basename.strip()
+    pm.require(pkg, force=False, build_missing=False)
+    resourcePath = pm.opr.get_file(pkg, basename)
+    return resourcePath
+
+def extractVendor(platform, arch):
+    pkg = "onl-platform-config-%s:%s" % (platform, arch,)
+    l = pm.opr.lookup_all(pkg)
+    if not l:
+        raise SystemExit("cannot find package %s:%s"
+                         % (platform, arch,))
+    l = [x for x in pm.package_groups if pkg in x]
+    l = list(itertools.chain(*[x.prerequisite_packages() for x in l]))
+    l = [x for x in l if x.startswith('onl-vendor-config-')]
+    return "\n".join(l)
+
+if key in ('kernel', 'initrd',):
+    print extractKey(platform, arch, key)
+    sys.exit(0)
+
+if key == 'vendor':
+    print extractVendor(platform, arch)
+    sys.exit(0)
+
+raise SystemExit("invalid key %s" % key)