Re-read the partition table with partx -a

Re-read the partition table with 'partx -a', rather than 'partx -u'.

This should fix an timing issue where the bootloader installation
fails to mount the EFI partition from a whole disk image since it
is not yet aware of the new partitions (observed with both, the
iscsi and the direct deploy interface).

Change-Id: If5da3075e813ae01df3decf8f0647aba111b0515
(cherry picked from commit dc8c1f16f9)
(cherry picked from commit ab3e8a75ba)
(cherry picked from commit 7438939400)

ironic_python_agent/extensions/image.py

@@ -63,7 +63,7 @@ def _rescan_device(device):
                    kernel partition records.
     """
     try:
-        utils.execute('partx', '-u', device, attempts=3,
+        utils.execute('partx', '-a', device, attempts=3,
                       delay_on_retry=True)
         utils.execute('udevadm', 'settle')
     except processutils.ProcessExecutionError:

ironic_python_agent/tests/unit/extensions/test_image.py

@@ -228,7 +228,7 @@ class TestImageExtension(base.IronicAgentTest):
                                          ('', ''), ('', '')])
 
         expected = [mock.call('efibootmgr', '--version'),
-                    mock.call('partx', '-u', '/dev/fake', attempts=3,
+                    mock.call('partx', '-a', '/dev/fake', attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('mount', self.fake_efi_system_part,
@@ -276,7 +276,7 @@ class TestImageExtension(base.IronicAgentTest):
                                          ('', ''), ('', '')])
 
         expected = [mock.call('efibootmgr', '--version'),
-                    mock.call('partx', '-u', '/dev/fake', attempts=3,
+                    mock.call('partx', '-a', '/dev/fake', attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('mount', self.fake_efi_system_part,
@@ -333,7 +333,7 @@ Boot0002 VENDMAGIC FvFile(9f3c6294-bf9b-4208-9808-be45dfc34b51)
                                          ('', ''), ('', '')])
 
         expected = [mock.call('efibootmgr', '--version'),
-                    mock.call('partx', '-u', '/dev/fake', attempts=3,
+                    mock.call('partx', '-a', '/dev/fake', attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('mount', self.fake_efi_system_part,
@@ -395,7 +395,7 @@ Boot0004* ironic1      HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
                                          ('', ''), ('', ''),
                                          ('', ''), ('', '')])
         expected = [mock.call('efibootmgr', '--version'),
-                    mock.call('partx', '-u', '/dev/fake', attempts=3,
+                    mock.call('partx', '-a', '/dev/fake', attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('mount', self.fake_efi_system_part,
@@ -448,7 +448,7 @@ Boot0004* ironic1      HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
                                          ('', '')])
 
         expected = [mock.call('efibootmgr', '--version'),
-                    mock.call('partx', '-u', '/dev/fake', attempts=3,
+                    mock.call('partx', '-a', '/dev/fake', attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('mount', self.fake_efi_system_part,
@@ -1522,7 +1522,7 @@ Boot0004* ironic1      HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
 
         root_part = image._get_partition(self.fake_dev, self.fake_root_uuid)
         self.assertEqual('/dev/test2', root_part)
-        expected = [mock.call('partx', '-u', self.fake_dev, attempts=3,
+        expected = [mock.call('partx', '-a', self.fake_dev, attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('lsblk', '-PbioKNAME,UUID,PARTUUID,TYPE',
@@ -1546,7 +1546,7 @@ Boot0004* ironic1      HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
         self.assertRaises(errors.DeviceNotFound,
                           image._get_partition, self.fake_dev,
                           self.fake_root_uuid)
-        expected = [mock.call('partx', '-u', self.fake_dev, attempts=3,
+        expected = [mock.call('partx', '-a', self.fake_dev, attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('lsblk', '-PbioKNAME,UUID,PARTUUID,TYPE',
@@ -1569,7 +1569,7 @@ Boot0004* ironic1      HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
 
         result = image._get_partition(self.fake_dev, self.fake_root_uuid)
         self.assertEqual('/dev/loop0', result)
-        expected = [mock.call('partx', '-u', self.fake_dev, attempts=3,
+        expected = [mock.call('partx', '-a', self.fake_dev, attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('lsblk', '-PbioKNAME,UUID,PARTUUID,TYPE',
@@ -1589,7 +1589,7 @@ Boot0004* ironic1      HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
                           image._get_partition, self.fake_dev,
                           self.fake_root_uuid)
 
-        expected = [mock.call('partx', '-u', self.fake_dev, attempts=3,
+        expected = [mock.call('partx', '-a', self.fake_dev, attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('lsblk', '-PbioKNAME,UUID,PARTUUID,TYPE',
@@ -1608,7 +1608,7 @@ Boot0004* ironic1      HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
 
         root_part = image._get_partition(self.fake_dev, self.fake_root_uuid)
         self.assertEqual('/dev/test2', root_part)
-        expected = [mock.call('partx', '-u', self.fake_dev, attempts=3,
+        expected = [mock.call('partx', '-a', self.fake_dev, attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('lsblk', '-PbioKNAME,UUID,PARTUUID,TYPE',
@@ -1712,7 +1712,7 @@ Boot0004* ironic1      HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
                                          ('', ''), ('', ''),
                                          ('', '')])
 
-        expected = [mock.call('partx', '-u', '/dev/fake', attempts=3,
+        expected = [mock.call('partx', '-a', '/dev/fake', attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('mount', self.fake_efi_system_part,
@@ -1767,7 +1767,7 @@ Boot0002: VENDMAGIC FvFile(9f3c6294-bf9b-4208-9808-be45dfc34b51)
                                          ('', ''), ('', ''),
                                          ('', '')])
 
-        expected = [mock.call('partx', '-u', '/dev/fake', attempts=3,
+        expected = [mock.call('partx', '-a', '/dev/fake', attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('mount', self.fake_efi_system_part,
@@ -1814,7 +1814,7 @@ Boot0002: VENDMAGIC FvFile(9f3c6294-bf9b-4208-9808-be45dfc34b51)
                                          ('', ''), ('', ''),
                                          ('', '')])
 
-        expected = [mock.call('partx', '-u', '/dev/fakenvme0', attempts=3,
+        expected = [mock.call('partx', '-a', '/dev/fakenvme0', attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('mount', '/dev/fakenvme0p1',
@@ -1854,7 +1854,7 @@ Boot0002: VENDMAGIC FvFile(9f3c6294-bf9b-4208-9808-be45dfc34b51)
                                          ('', ''), ('', ''),
                                          ('', '')])
 
-        expected = [mock.call('partx', '-u', '/dev/fake', attempts=3,
+        expected = [mock.call('partx', '-a', '/dev/fake', attempts=3,
                               delay_on_retry=True),
                     mock.call('udevadm', 'settle'),
                     mock.call('mount', self.fake_efi_system_part,

releasenotes/notes/fix-rescan-device-7b00c6836b687ce8.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fixes an issue where partitions are not visible due to a
+    incorrect call to have the partition table re-read.