Re: [PATCH V3] add multiboot support for tboot

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On Mon, 2011-08-15 at 14:57 +0800, Wei, Gang wrote:
> From: Gang Wei <gang.wei@xxxxxxxxx>
> 
> If tboot package installed, create multiboot entries in GRUB config for kernels.

Looks good to me provided the typo in BootLoader.trusted_boot.setter
gets fixed.

Dave

> 
> Signed-off-by: Gang Wei <gang.wei@xxxxxxxxx>
> ---
>  pyanaconda/bootloader.py |   67 +++++++++++++++++++++++++++++++++++++++------
>  pyanaconda/yuminstall.py |    2 +
>  2 files changed, 60 insertions(+), 9 deletions(-)
> 
> diff --git a/pyanaconda/bootloader.py b/pyanaconda/bootloader.py
> index 73ef393..4c4c980 100644
> --- a/pyanaconda/bootloader.py
> +++ b/pyanaconda/bootloader.py
> @@ -114,6 +114,27 @@ class LinuxBootLoaderImage(BootLoaderImage):
>              filename = "initramfs-%s.img" % self.version
>          return filename
>  
> +class TbootLinuxBootLoaderImage(LinuxBootLoaderImage):
> +    _multiboot = "tboot.gz"     # filename string
> +    _mbargs = ["logging=vga,serial,memory"]
> +    _args = ["intel_iommu=on"]
> +
> +    def __init__(self, device=None, label=None, short=None, version=None):
> +        super(TbootLinuxBootLoaderImage, self).__init__(
> +                                                   device=device, label=label,
> +                                                   short=short, version=version)
> +
> +    @property
> +    def multiboot(self):
> +        return self._multiboot
> +
> +    @property
> +    def mbargs(self):
> +        return self._mbargs
> +
> +    @property
> +    def args(self):
> +        return self._args
>  
>  class BootLoader(object):
>      """TODO:
> @@ -154,6 +175,8 @@ class BootLoader(object):
>                              "nompath", "nomodeset", "noiswmd", "fips"]
>      preserve_args = []
>  
> +    _trusted_boot = False
> +
>      def __init__(self, storage=None):
>          # pyanaconda.storage.Storage instance
>          self.storage = storage
> @@ -944,6 +967,14 @@ class BootLoader(object):
>          """ Read an existing bootloader configuration. """
>          raise NotImplementedError()
>  
> +    @property
> +    def trusted_boot(self):
> +        return self._trusted_boot
> +
> +    @trusted_boot.setter
> +    def trusted_boot(self, trusted_boot):
> +        _trusted_boot = trusted_boot
> +        
>      #
>      # installation
>      #
> @@ -1143,15 +1174,27 @@ class GRUB(BootLoader):
>                  grub_root = self.grub_device_name(self.stage2_device)
>                  args.update(["ro", "root=%s" % image.device.fstabSpec])
>                  args.update(self.boot_args)
> +                if isinstance(image, TbootLinuxBootLoaderImage):
> +                    args.update(image.args)
> +                    snippet = ("\tkernel %(prefix)s/%(multiboot)s %(mbargs)s\n"
> +                               "\tmodule %(prefix)s/%(kernel)s %(args)s\n"
> +                               "\tmodule %(prefix)s/%(initrd)s\n"
> +                               % {"prefix": self.boot_prefix,
> +                                  "multiboot": image.multiboot,
> +                                  "mbargs": image.mbargs,
> +                                  "kernel": image.kernel, "args": args,
> +                                  "initrd": image.initrd})
> +                else:
> +                    snippet = ("\tkernel %(prefix)s/%(kernel)s %(args)s\n"
> +                               "\tinitrd %(prefix)s/%(initrd)s\n"
> +                               % {"prefix": self.boot_prefix,
> +                                  "kernel": image.kernel, "args": args,
> +                                  "initrd": image.initrd})
>                  stanza = ("title %(label)s (%(version)s)\n"
>                            "\troot %(grub_root)s\n"
> -                          "\tkernel %(prefix)s/%(kernel)s %(args)s\n"
> -                          "\tinitrd %(prefix)s/%(initrd)s\n"
> +                          "%(snippet)s"
>                            % {"label": image.label, "version": image.version,
> -                             "grub_root": grub_root,
> -                             "kernel": image.kernel, "initrd": image.initrd,
> -                             "args": args,
> -                             "prefix": self.boot_prefix})
> +                             "grub_root": grub_root, "snippet": snippet})
>              else:
>                  stanza = ("title %(label)s\n"
>                            "\trootnoverify %(grub_root)s\n"
> @@ -1988,9 +2031,15 @@ def writeBootloader(anaconda):
>          used.append(nick)
>          label = "%s-%s" % (base_label, nick)
>          short = "%s-%s" % (base_short, nick)
> -        image = LinuxBootLoaderImage(device=anaconda.storage.rootDevice,
> -                                     version=version,
> -                                     label=label, short=short)
> +        if anaconda.bootloader.trusted_boot:
> +            image = TbootLinuxBootLoaderImage(
> +                                         device=anaconda.storage.rootDevice,
> +                                         version=version,
> +                                         label=label, short=short)
> +        else:
> +            image = LinuxBootLoaderImage(device=anaconda.storage.rootDevice,
> +                                         version=version,
> +                                         label=label, short=short)
>          anaconda.bootloader.add_image(image)
>  
>      # write out /etc/sysconfig/kernel
> diff --git a/pyanaconda/yuminstall.py b/pyanaconda/yuminstall.py
> index 064cf47..e837fad 100644
> --- a/pyanaconda/yuminstall.py
> +++ b/pyanaconda/yuminstall.py
> @@ -1637,6 +1637,8 @@ reposdir=/etc/anaconda.repos.d,/tmp/updates/anaconda.repos.d,/tmp/product/anacon
>  
>          anaconda.intf.setInstallProgressClass(None)
>  
> +        anaconda.bootloader.trusted_boot = self.ayum.isPackageInstalled(name="tboot")
> +
>          if rc == DISPATCH_BACK:
>              return DISPATCH_BACK
>  


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