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From: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
Date: Tue, 8 Mar 2016 16:29:39 +0100
Subject: [PATCH] Add <esp> partition flag.

Parted flag <esp> (see [1]) will mark EFI system partition, allowing us
to properly format and mount it during do_partitioning deployment phase.

[1] https://www.gnu.org/software/parted/manual/html_node/set.html
---
 fuel_agent/drivers/nailgun.py | 2 +-
 fuel_agent/utils/partition.py | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fuel_agent/drivers/nailgun.py b/fuel_agent/drivers/nailgun.py
index c2fef69..0ae81f9 100644
--- a/fuel_agent/drivers/nailgun.py
+++ b/fuel_agent/drivers/nailgun.py
@@ -324,7 +324,7 @@ class Nailgun(BaseDataDriver):
             # uefi partition (for future use)
             LOG.debug('Adding UEFI partition on disk %s: size=200' %
                       disk['name'])
-            parted.add_partition(size=200)
+            parted.add_partition(size=200, flags=['esp'])
 
             LOG.debug('Looping over all volumes on disk %s' % disk['name'])
             for volume in disk['volumes']:
diff --git a/fuel_agent/utils/partition.py b/fuel_agent/utils/partition.py
index acdd0b3..86349d2 100644
--- a/fuel_agent/utils/partition.py
+++ b/fuel_agent/utils/partition.py
@@ -93,7 +93,7 @@ def set_partition_flag(dev, num, flag, state='on'):
     :param dev: A device file, e.g. /dev/sda.
     :param num: Partition number
     :param flag: Flag name. Must be one of 'bios_grub', 'legacy_boot',
-    'boot', 'raid', 'lvm'
+    'boot', 'raid', 'lvm', 'esp'
     :param state: Desiable flag state. 'on' or 'off'. Default is 'on'.
 
     :returns: None
@@ -103,7 +103,7 @@ def set_partition_flag(dev, num, flag, state='on'):
     # parted supports more flags but we are interested in
     # setting only this subset of them.
     # not all of these flags are compatible with one another.
-    if flag not in ('bios_grub', 'legacy_boot', 'boot', 'raid', 'lvm'):
+    if flag not in ('bios_grub', 'legacy_boot', 'boot', 'raid', 'lvm', 'esp'):
         raise errors.WrongPartitionSchemeError(
             'Unsupported partition flag: %s' % flag)
     if state not in ('on', 'off'):