1 files changed, 63 insertions, 0 deletions
diff --git a/pygrub-boot-legacy-sles.patch b/pygrub-boot-legacy-sles.patch
new file mode 100644
index 0000000..47aed22
--- /dev/null
+++ b/pygrub-boot-legacy-sles.patch
@@ -0,0 +1,63 @@
+Index: xen-4.13.0-testing/tools/pygrub/src/pygrub
+===================================================================
+--- xen-4.13.0-testing.orig/tools/pygrub/src/pygrub
++++ xen-4.13.0-testing/tools/pygrub/src/pygrub
+@@ -453,7 +453,7 @@ class Grub:
+                 self.cf.filename = f
+                 break
+         if self.__dict__.get('cf', None) is None:
+-            raise RuntimeError("couldn't find bootloader config file in the image provided.")
++            return
+         f = fs.open_file(self.cf.filename)
+         # limit read size to avoid pathological cases
+         buf = f.read(FS_READ_MAX)
+@@ -628,6 +628,20 @@ def run_grub(file, entry, fs, cfg_args):
+ 
+     g = Grub(file, fs)
+ 
++    # If missing config or grub has no menu entries to select, look for
++    # vmlinuz-xen and initrd-xen in /boot
++    if g.__dict__.get('cf', None) is None or len(g.cf.images) == 0 or re.search(r"xen(-pae)?\.gz",g.cf.images[0].kernel[1]):
++        if not list_entries:
++            chosencfg = { "kernel": None, "ramdisk": None, "args": "" }
++            chosencfg = sniff_xen_kernel(fs, incfg)
++            if chosencfg["kernel"] and chosencfg["ramdisk"]:
++                chosencfg["args"] = cfg_args
++                return chosencfg
++        if g.__dict__.get('cf', None) is None:
++            raise RuntimeError("couldn't find bootloader config file in the image provided.")
++        else:
++            return
++
+     if list_entries:
+         for i in range(len(g.cf.images)):
+             img = g.cf.images[i]
+@@ -723,6 +737,19 @@ def sniff_netware(fs, cfg):
+ 
+     return cfg
+ 
++def sniff_xen_kernel(fs, cfg):
++    if not cfg["kernel"]:
++        if fs.file_exists('/boot/vmlinuz-xen'):
++            cfg["kernel"] = '/boot/vmlinuz-xen'
++        elif fs.file_exists('/boot/vmlinuz-xenpae'):
++            cfg["kernel"] = '/boot/vmlinuz-xenpae'
++    if cfg["kernel"] and not cfg["ramdisk"]:
++        if fs.file_exists('/boot/initrd-xen'):
++            cfg["ramdisk"] = '/boot/initrd-xen'
++        elif fs.file_exists('/boot/initrd-xenpae'):
++            cfg["ramdisk"] = '/boot/initrd-xenpae'
++    return cfg
++
+ def format_sxp(kernel, ramdisk, args):
+     s = "linux (kernel %s)" % repr(kernel)
+     if ramdisk:
+@@ -806,7 +833,7 @@ if __name__ == "__main__":
+     debug = False
+     not_really = False
+     output_format = "sxp"
+-    output_directory = "/var/run/xen/pygrub"
++    output_directory = "/var/run/xen"
+ 
+     # what was passed in
+     incfg = { "kernel": None, "ramdisk": None, "args": "" }