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-rwxr-xr-xsrc/op_mode/image_installer.py34
1 files changed, 33 insertions, 1 deletions
diff --git a/src/op_mode/image_installer.py b/src/op_mode/image_installer.py
index 0d2d7076c..bdc16de15 100755
--- a/src/op_mode/image_installer.py
+++ b/src/op_mode/image_installer.py
@@ -40,13 +40,14 @@ from vyos.template import render
from vyos.utils.io import ask_input, ask_yes_no, select_entry
from vyos.utils.file import chmod_2775
from vyos.utils.process import cmd, run
-from vyos.version import get_remote_version
+from vyos.version import get_remote_version, get_version_data
# define text messages
MSG_ERR_NOT_LIVE: str = 'The system is already installed. Please use "add system image" instead.'
MSG_ERR_LIVE: str = 'The system is in live-boot mode. Please use "install image" instead.'
MSG_ERR_NO_DISK: str = 'No suitable disk was found. There must be at least one disk of 2GB or greater size.'
MSG_ERR_IMPROPER_IMAGE: str = 'Missing sha256sum.txt.\nEither this image is corrupted, or of era 1.2.x (md5sum) and would downgrade image tools;\ndisallowed in either case.'
+MSG_ERR_ARCHITECTURE_MISMATCH: str = 'Upgrading to a different image architecture will break your system.'
MSG_INFO_INSTALL_WELCOME: str = 'Welcome to VyOS installation!\nThis command will install VyOS to your permanent storage.'
MSG_INFO_INSTALL_EXIT: str = 'Exiting from VyOS installation'
MSG_INFO_INSTALL_SUCCESS: str = 'The image installed successfully; please reboot now.'
@@ -79,6 +80,9 @@ MSG_WARN_ROOT_SIZE_TOOSMALL: str = 'The size is too small. Try again'
MSG_WARN_IMAGE_NAME_WRONG: str = 'The suggested name is unsupported!\n'\
'It must be between 1 and 64 characters long and contains only the next characters: .+-_ a-z A-Z 0-9'
MSG_WARN_PASSWORD_CONFIRM: str = 'The entered values did not match. Try again'
+MSG_WARN_FLAVOR_MISMATCH: str = 'The running image flavor is "{0}". The new image flavor is "{1}".\n' \
+'Installing a different image flavor may cause functionality degradation or break your system.\n' \
+'Do you want to continue with installation?'
CONST_MIN_DISK_SIZE: int = 2147483648 # 2 GB
CONST_MIN_ROOT_SIZE: int = 1610612736 # 1.5 GB
# a reserved space: 2MB for header, 1 MB for BIOS partition, 256 MB for EFI
@@ -693,6 +697,31 @@ def is_raid_install(install_object: Union[disk.DiskDetails, raid.RaidDetails]) -
return False
+def validate_compatibility(iso_path: str) -> None:
+ """Check architecture and flavor compatibility with the running image
+
+ Args:
+ iso_path (str): a path to the mounted ISO image
+ """
+ old_data = get_version_data()
+ old_flavor = old_data.get('flavor', '')
+ old_architecture = old_data.get('architecture') or cmd('dpkg --print-architecture')
+
+ new_data = get_version_data(f'{iso_path}/version.json')
+ new_flavor = new_data.get('flavor', '')
+ new_architecture = new_data.get('architecture', '')
+
+ if not old_architecture == new_architecture:
+ print(MSG_ERR_ARCHITECTURE_MISMATCH)
+ cleanup()
+ exit(MSG_INFO_INSTALL_EXIT)
+
+ if not old_flavor == new_flavor:
+ if not ask_yes_no(MSG_WARN_FLAVOR_MISMATCH.format(old_flavor, new_flavor), default=False):
+ cleanup()
+ exit(MSG_INFO_INSTALL_EXIT)
+
+
def install_image() -> None:
"""Install an image to a disk
"""
@@ -876,6 +905,9 @@ def add_image(image_path: str, vrf: str = None, username: str = '',
Path(DIR_ISO_MOUNT).mkdir(mode=0o755, parents=True)
disk.partition_mount(iso_path, DIR_ISO_MOUNT, 'iso9660')
+ print('Validating image compatibility')
+ validate_compatibility(DIR_ISO_MOUNT)
+
# check sums
print('Validating image checksums')
if not Path(DIR_ISO_MOUNT).joinpath('sha256sum.txt').exists():